Proposal summaries

These are research proposals that have been approved by the ALSPAC exec. The titles include a B number which identifies the proposal and the date on which the proposals received ALSPAC exec approval.

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B3557 - Exploring shared genetic associations between risk behaviours and educational attainment - 07/07/2020

B number: 
B3557
Principal applicant name: 
Tim Morris | MRC Integrative Epidemiology Unit (United Kingdom)
Co-applicants: 
Dr Caroline Wright, Miss Michelle Arellano Spano
Title of project: 
Exploring shared genetic associations between risk behaviours and educational attainment.
Proposal summary: 

People who participate in risky behaviours such as drug use, physical inactivity and criminal behaviour have lower educational attainment than people who abstain from such behaviour. The effects of participating in risky behaviours have been estimated at around a one grade reduction at GCSE or 23% lower odds at attaining five of more A*-C GCSE grades, for each additional behaviour the young person engages in. This can have a detrimental knock on effect on subsequent education and employment chances in later life causing lasting socioeconomic damage. Genome Wide Association Studies have revealed that participation in risky behaviours and educational attainment both have highly polygenic architecture, suggesting an important role of many variants across the genome. The extent to which risky behaviours and educational attainment have shared genetic overlap is unknown, yet knowledge of this could help understand how these traits co-operate.

Impact of research: 
This research
Date proposal received: 
Tuesday, 23 June, 2020
Date proposal approved: 
Tuesday, 23 June, 2020
Keywords: 
Epidemiology, Addiction - e.g. alcohol, illicit drugs, smoking, gambling, etc., Statistical methods, Genetics

B3558 - Investigating Resilience Mechanisms in Neurodevelopmental Conditions - 01/07/2020

B number: 
B3558
Principal applicant name: 
Lucy Anne Livingston | Cardiff University (United Kingdom)
Co-applicants: 
Professor Anita Thapar, Professor Francesca Happé, Professor Stephan Collishaw, Dr Jon Heron, Dr Meng-Chuan Lai
Title of project: 
Investigating Resilience Mechanisms in Neurodevelopmental Conditions
Proposal summary: 

Autism Spectrum Disorder (ASD) and Attention Deficit Hyperactivity Disorder (ADHD) are neurodevelopmental conditions affecting ~10% of people. Young people with ASD and ADHD experience substantial adversity (e.g. bullying, maltreatment) which is linked with poor adult outcomes. However, some people may show resilience, demonstrating adaptive outcomes, for example positive wellbeing, despite this adversity.
I will explore resilience in ASD and ADHD, from childhood to young adulthood. I will conduct a qualitative study to determine what adaptive outcomes look like to young people with ASD/ADHD. Then, using data from two large studies that follow young people over time, I will investigate factors linked with adaptive outcomes in ASD and ADHD. Using innovative statistical analyses, I will test the roles of child characteristics, the family and social environment, and genetics.
The findings will inform future interventions to reduce adversity and boost resilience amongst young people with neurodevelopmental conditions.

Impact of research: 
Studying resilience has potential to improve clinical and educational support, and thereby outcomes, for people with neurodevelopmental conditions; for example, interventions that aim to boost resilience amongst young people with neurodevelopmental conditions.
Date proposal received: 
Monday, 15 June, 2020
Date proposal approved: 
Tuesday, 16 June, 2020
Keywords: 
Mental health - Psychology, Psychiatry, Cognition, Developmental disorders - autism, Statistical methods, Development

B3482 - Factors associated with third molar pathology and treatment in a representative population - 30/06/2020

B number: 
B3482
Principal applicant name: 
Rebecca Richmond | University of Bristol (United Kingdom)
Co-applicants: 
Dr Tom Dudding, Dr Simon Haworth, Douglas Bruce, Mark Gormley
Title of project: 
Factors associated with third molar pathology and treatment in a representative population
Proposal summary: 

Changes in dental practice as a result of NICE “Guidance on the Extraction of Wisdom Teeth”, mean that fewer adults now have prophylactic removal of their wisdom teeth. However, recent studies have demonstrated an increase in the risk of infection, dental decay and gum disease in angled wisdom teeth or in the neighbouring teeth since the implementation of NICE guidance.

This means we are seeing an increasing number of patients who may present with disease affecting wisdom teeth or the neighbouring teeth, so there is a need therefore to identify those who are at risk of developing wisdom tooth complications and who may benefit from removal. In addition, we will better our understanding of the potential barriers to receiving appropriate wisdom tooth treatment.

Impact of research: 
The results from this study will be used to help identify those patients who are at risk of third molar (wisdom tooth) related pathology and who require prophylactic removal. As part of this we will establish the importance of host genetic factors in third molar symptoms. Prediction of third molar pathology could be very cost-effective, identifying those most in need in order to prevent the cost of managing future problems i.e. periodontitis (gum disease), dental caries (decay), infection and even sepsis. There may be similar associations with risk factors for third molar pathology and other dental diseases which would enhance the applicability of this risk prediction model.
Date proposal received: 
Friday, 12 June, 2020
Date proposal approved: 
Monday, 15 June, 2020
Keywords: 
Dentistry, Third molar (dental) pain/ infection/ treatment., Statistical methods, Dental

B3556 - Associations between physical activity risk of alcohol-related harm in adolescence cross-sectional and longitudinal analysis - 23/06/2020

B number: 
B3556
Principal applicant name: 
Lesley Smith | University of Hull (United Kingdom)
Co-applicants: 
Ms Saphsa Codling, Professor Thomas S Phillips, Professor Colin R Martin
Title of project: 
Associations between physical activity, risk of alcohol-related harm in adolescence: cross-sectional and longitudinal analysis
Proposal summary: 

Adolescence is a critical stage of life for the formation of both physical and mental health. Health behaviours and health status developed in adolescence often endure into adulthood and influence life expectancy. Health-risk behaviours such as excessive alcohol consumption and physical inactivity are not only linked with mental health, but are also two major contributors (globally) to disease in adulthood such as cancer, diabetes and cardiovascular disease. Adolescence is a time when physical activity levels decline, alcohol consumption increases and mental health states can deteriorate. However, conversely, research shows links between higher physical activity levels and higher levels of alcohol consumption (although largely this has been derived from non UK-based University/College populations). Advice given by a former UK Chief Medical Officer is that children should not drink at all before the age of 18 but certainly not before the age of 15. Excessive alcohol consumption can result in unwanted consequences (particularly in adolescence) such as being a perpetrator or victim of violence or other criminal activity, or unprotected (or regretted) sexual activity. Alcohol has been strongly linked to suicide in adolescence (the number one cause of preventable death); as well as more generally impacting or impeding healthy brain development. Other factors (which contribute to or cause inequalities in health outcomes) also should be considered when looking at health behaviours in adolescence e.g. socioeconomic status (SES), educational attainment, gender and psychosocial health. Those with a lower SES (SES - being typically derived from household income and education levels) tend to fare worse in health outcomes. Despite higher levels of physical activity being associated with higher SES in adolescence (as is a higher level of alcohol consumption), it appears that higher educational attainment (also correlated with higher SES) reduces the occurrence or frequency of binge-drinking. While those from lower SES backgrounds are more likely to experience greater harms from alcohol consumption. Gender contributes significantly to health inequalities, disadvantaging girls. In early adolescence, girls are more likely to be diagnosed with an anxiety or depressive disorder, more likely to have lower levels of physical activity and are more likely to be at risk of alcohol-related harm than their male equivalents. Mental health is becoming one of the biggest issues we face globally and has been strongly linked to physical activity/inactivity. Those that undertake regular physical activity are less likely to be depressed, but conversely are more likely to consume alcohol at higher levels (and in particular binge-drink). This research will seek to untangle the links between risk of alcohol-related harm and levels of physical activity at ages 13.5, 15.5 and 17.5 using data in the ‘Children of the 90’s cohort’ from the Avon Longitudinal Study of Parents and Children (ALSPAC). The research will determine associations or patterns at each time-point (age in years) and also make comparisons of changes over time. The individual-level analysis (longitudinal) will also utilise data for 24.5 year olds to compare with 17.5 year olds The following factors will be used as a means of explaining findings at each time-point, individually, and collectively: SES, educational attainment, gender and psychosocial health. The aim is to create new knowledge on the associations and patterns between physical activity and alcohol consumption levels across early to late adolescence in a UK population. Findings will inform further UK-based research on this topic.

Impact of research: 
Currently there is an absence of evidence in UK adolescents on the association between physical activity levels and alcohol consumption (particularly in early adolescence). This research will not only contribute to empirical evidence in this area but will also help to identify a population (or populations) that could benefit from early preventative measures to delay or prevent the onset of alcohol consumption during the critical early adolescence period.
Date proposal received: 
Wednesday, 10 June, 2020
Date proposal approved: 
Wednesday, 10 June, 2020
Keywords: 
Biostatistics, behavioural science and prevention, Alcohol related harm Health risk behaviour Mental health, Statistical methods, Health risk behaviours Adolescent mental health Physical activity Alcohol consumption

B3542 - Sensory Sensitivity Misophonia Hyperacusis and Tinnitus - 10/06/2020

B number: 
B3542
Principal applicant name: 
Julia Simner | University of Sussex (United Kingdom)
Co-applicants: 
Dr Louisa Rinaldi, Prof. Jamie Ward, Dr James Alvarez, Ms Rebecca Smees
Title of project: 
Sensory Sensitivity: Misophonia, Hyperacusis and Tinnitus
Proposal summary: 

Most people have a comfortable tolerance for incoming sensory information (sounds, tastes, smells etc.) while others have sensory sensitivities which can make daily life difficult. One example is sensitivity to sounds, and there are several ways this can present. For people with MISOPHONIA, certain sounds such as chewing cause an extreme emotional response such as anger, disgust or anxiety; and for people with HYPERACUSIS, loud sounds cause the ears to physically hurt. Sensory sensitivity can have a negative impact on mental well-being, and also plays a role in a number of conditions including autism spectrum conditions, anxiety disorders, and synaesthesia. In turn, poor well-being can have significant financial costs with over £12 billion invested annually by the NHS. Our study has become all the more relevant given the COVID crisis because we are interested in a condition that triggers anxiety/anger/distress, and has particular resonance for family relationships in confined spaces.

These sound sensitivities are poorly understood in adults, and even less so in children. In our project we ask, how do sound sensitivities such as misophonia affect mental well-being, education and attainment? Does misophonia get progressively worse over time? What other mental heath conditions commonly co-occur with misophonia? In answering these questions we can better understand the underlying aetiologies, which in turn will allow us to develop targeted treatments for misophonia.

Impact of research: 
The impact of our research will be considerable, both in the field of auditory sensitivities, but also sensory sensitivities more widely, as well as in related conditions (autism) and more broadly in the field of education. Misophonia was first identified as recently as 2001 (Jastreboff & Jastreboff, 2001). As a new area of research, there is still much to learn. We will come to understand how/when misophonia initially presents, how it impacts school life, education, mental health, and overall well-being. Our findings will have important implications for developing targeted diagnostics and treatments for childhood populations. We will better understand schooling (Do children with misophonia have poorer attendance? Lower attainment? Difficulties paying attention in class?). And we will also better understand the prevalence of these conditions. We will then use our findings to raise awareness of the conditions, to inform parents and educators, and ultimately improve the lives of both children and adults with misohponia/hyperacusis.
Date proposal received: 
Tuesday, 9 June, 2020
Date proposal approved: 
Tuesday, 9 June, 2020
Keywords: 
Mental health - Psychology, Psychiatry, Cognition, Behaviour - e.g. antisocial behaviour, risk behaviour, etc., Developmental disorders - autism, Eating disorders - anorexia, bulimia, Learning difficulty, Mental health, sensory differences; sensory sensitivities, Statistical methods, Childhood - childcare, childhood adversity, Cognition - cognitive function, Development, Intelligence - memory, Mothers - maternal age, menopause, obstetrics, Parenting, Psychology - personality, sensory differences; sensory sensitivities

B3550 - Long-term outcomes of antidepressant use a machine learning approach - 01/06/2020

B number: 
B3550
Principal applicant name: 
Rebecca Pearson | Digital Health
Co-applicants: 
Holly Fraser , Bittany Davidson , Ryan Mcconville, Dr Alex Kwong
Title of project: 
Long-term outcomes of antidepressant use, a machine learning approach
Proposal summary: 

This project aims to understand the long-term effects of antidepressant use in the adult population.
There is currently a gap in the literature regarding the longitudinal effects of pharmaceutical
interventions for depression, so there is not great clinical understanding of the impact of
antidepressants on health outcomes long-term. For example, some longitudinal studies suggest that
the symptoms of depression improve overall after long term antidepressant use, but this is reported
in tandem with adverse psychological and physical health outcomes like weight gain, sexual
dysfunction, and emotional numbness (Dehar et al. 2016). In the psychiatric literature, there is an
impoverished understanding of depression causality, with multiple competing hypotheses
suggesting genetic, psychological, neurochemical, and neurostructural correlates of the illness. This
suggests that depression as an overarching umbrella term could include multiple phenotypes, that if
captured, could explain different illness trajectories and predict differential health outcomes after
pharmaceutical intervention.

The long-term effects of antidepressant use on a wide range of health outcomes should be explored
to ascertain whether they are an optimal intervention for people who present with mild to
moderate depression and anxiety.

Impact of research: 
To inform use of antidepressants in certain populations
Date proposal received: 
Monday, 1 June, 2020
Date proposal approved: 
Monday, 1 June, 2020
Keywords: 
Mental health - Psychology, Psychiatry, Cognition, Pregnancy - e.g. reproductive health, postnatal depression, birth outcomes, etc., Statistical methods, Psychology - personality

B3552 - Methods of recruitment and retention of fathers in cohort and longitudinal studies - 05/06/2020

B number: 
B3552
Principal applicant name: 
Paul Bradshaw | Scottish Centre for Social Research (United Kingdom)
Co-applicants: 
Lynn Molloy, Line Knudsen, Rebecca Goldman, Adrienne Burgess
Title of project: 
Methods of recruitment and retention of fathers in cohort and longitudinal studies
Proposal summary: 

In research projects focussed on children and families, information about children is often gathered via a single parent, often the child's mother or female caregiver. For many such studies, there are valid scientific reasons why involvement of the child's father or male caregiver is also important. For cohort studies, which follow families over time, early recruitment and ongoing engagement of fathers can be particularly important. However, recruiting and engaging fathers to such studies can be challenging, especially if fathers and mothers do not live together. As a result fathers are widely under-represented in such research. A scoping review of recruitment and engagement methods suggests that involving fathers may require a different approach to that used for mothers. This study seeks to review how fathers are recruited and engaged in the ALSPAC G2 cohort, to propose tailored recommendations to improve recruitment and engagement and test the feasibility and acceptability of the revised, tailored approach with participants and research staff. The general learning from this process is expected to be relevant to many similar research projects.

Impact of research: 
As well as potentially offering a set of tailored recommendations which may improve the participation of fathers in ALSPAC G2, this research will also be relevant for other cohort studies and related projects which are seeking to better involve and engage fathers in research about their children. In particular, it may have a role in informing the design of any future UK national or other large cohort study.
Date proposal received: 
Monday, 1 June, 2020
Date proposal approved: 
Monday, 1 June, 2020
Keywords: 
Statistics/methodology, Methods for the recruitment and engagement of research participants, Cohort studies - attrition, bias, participant engagement, ethics, Fathers

B3551 - Risky Business Understanding intergenerational persistence in entrepreneurship - 05/06/2020

B number: 
B3551
Principal applicant name: 
Matt Dickson | University of Bath (UK)
Co-applicants: 
Prof. Orietta Marsili
Title of project: 
Risky Business: Understanding intergenerational persistence in entrepreneurship
Proposal summary: 

Entrepreneurship is with good reason viewed as a driver of economic growth, employment creation, and social mobility: in 2018, there were 5.7 million small-medium enterprises in the UK, accounting for 99.9% of all businesses, 60% of employment and 52% of the gross value added in the UK private sector. Of these, 96% were micro-businesses with less than 10 employees (Business Statistics, Standard Note, SN/EP/6152, House of Commons Library, December 2018). In fact, policymakers advocate support to entrepreneurship as a way forward for socioeconomic development at regional and national level, therefore helping these firms to form is key to UK prosperity. Government support for entrepreneurs often takes a macro perspective of intervention through subsidies and infrastructure. There is, however, increasing recognition in the entrepreneurship field that the decision to become an entrepreneur and start new ventures is strongly embedded in the close and personal space surrounding an individual, starting from their family relationships. It is well known that self-employment and business ownership choices are highly persistent across generations: entrepreneurial parents tend to have entrepreneurial children. We know much less, however, about the underlying mechanisms that transmit and shape those choices. This is what our project will address. We will examine the ways in which entrepreneurial parents affect their children’s entrepreneurial preferences and behaviours directly – through being role models and providing advice – and indirectly – through shaping attitudes to risk and uncertainty, and exposing the stresses and wellbeing impacts inherent in starting a business. Our findings will identify new ways in which policy can encourage and nurture entrepreneurialism.

Impact of research: 
Our project emphasises the dual relationship linking the family context and entrepreneurship. On one side, the family can facilitate the emergence of preferences for entrepreneurship in the children by providing the ‘learning space’ in which children observe how entrepreneurs live and operate through the experience of their entrepreneurial parents. On the other side, the family can be the ‘resounding space’ of the successes but also the frustrations of being an entrepreneur, which may lead to the development in the children of negative emotions in association with entrepreneurship. Understanding the complex role of the family in entrepreneurship is of interest for different constituencies, starting from the public and the entrepreneurial parents more specifically. Thanks to the internet, setting up a business from home has become a choice increasingly available to people, parents in particular. Indeed, the Government is committed to making the UK the best place to start and grow a business, with particular initiatives – such as the £1million Women and Broadband Challenge and the ASPIRE fund – aiming to encourage more women to set-up their own businesses. For mothers especially, the decision to become entrepreneur is often motivated by the prospect of achieving a better work-life balance. One of the expected outcomes of this project is to highlight the implications of being an entrepreneurial parent on the wellbeing of their children. Our findings can thus enhance awareness among parents of the implications of their employment choices not only from a business perspective but also more broadly in relation to the impact on the family lifestyle. This can lead to a better understanding of the challenges of achieving a work-life balance and can inform a broader discussion about how to meet and mitigate these challenges. This discussion involves not only entrepreneurial parents as direct subjects, but also policymakers who want to pursue a more holistic approach to entrepreneurship policy, in which the entrepreneur is regarded not only as a driver of change and wealth creation, but also as an individual embedded in a social context of personal relationships. In this type of policy approach, it is key to ask how to support children in families in which there is a risk that the uncertainties of entrepreneurship resonate too loudly. Given the policy relevance of this work for a number of areas, we will engage with the Department for Business, Energy and Industrial Strategy (BEIS) as a primary research user, and also with the Department for Work and Pensions as there are implications for the design of work-related benefits. Another implication of our argument is that entrepreneurship needs a supporting environment that goes beyond the provision of incentives and infrastructure, and which finds its root in the family. Illustrating how entrepreneurial parents can be positive role models that inspire younger generations, helping them to take on board the challenges of an entrepreneurial career, aids understanding of how to create a broader learning environment for entrepreneurship. Entrepreneurship education mostly takes place in dedicated programmes at universities, generally at Masters level and in Business Schools. Yet the family is the most immediate and personal environment in which children can learn about ‘the way of life of the entrepreneur’. Furthermore, while university entrepreneurship education tends to focus on the business principles underlying the creation of a new venture, a more broadly defined notion of entrepreneurship education involves enabling the development of creative mind-sets and the capacity to embrace uncertainty. Families and schools are likely terrain for this type of learning. From this perspective, our project can inform the discussion about the design and impact of practices for extending entrepreneurship education to children and young people. Indeed, a number of recent initiatives have been implemented in the last five years by the Government with the purpose of promoting entrepreneurship by engaging with young people early on through the education system. Our work will inform these initiatives, with parties involved in this discussion including formal and informal education providers (schools, parents, and charities) as well as government policy-related agencies and the Department for Education.
Date proposal received: 
Monday, 1 June, 2020
Date proposal approved: 
Monday, 1 June, 2020
Keywords: 
Social Science, Addiction - e.g. alcohol, illicit drugs, smoking, gambling, etc., Behaviour - e.g. antisocial behaviour, risk behaviour, etc., Cognitive impairment, Hypertension, Mental health, Obesity, Statistical methods, Blood pressure, BMI, Childhood - childcare, childhood adversity, Cognition - cognitive function, Offspring, Psychology - personality, Social science, Statistical methods

B3549 - EWAS of Green Spaces - LifeCycle - 24/06/2020

B number: 
B3549
Principal applicant name: 
Kimberley Burrows | MRC IEU (United Kingdom)
Co-applicants: 
Dr. Ahmed Elhakeem, Prof. Debbie Lawlor, Mr Andy Boyd, Mr Richard Thomas
Title of project: 
EWAS of Green Spaces - LifeCycle
Proposal summary: 

The urban exposome (built environment, air pollution, road traffic noise, meteorological, natural space and road traffic) affects health outcomes. For instance, associations between increasing green space exposure and increased birth weight and decreased term low birth weight in 32,000 mother-child pairs have been previously reported (Nieuwenhuijsen et al. 2019).
Here we aim to investigate the epigenetic mechanisms that might mediate this association. We will evaluate the relationship between exposure to green spaces during pregnancy and offspring cord blood DNA methylation at over 450,000 methylation sites (CpG sites) across the genome. This project will contribute epigenome-wide association study summary results to a meta-analysis as part of an ongoing large consortium.

Impact of research: 
To contribute to the wider understanding of the effects of the urban exposome on health outcomes; specifically, in how DNA methylation may mediate these effects. Potential results may lead to significant new understanding and possibly have translatable benefits for improving human health. Such benefits would be to determine new pathways influencing disease that could be potential therapeutic targets.
Date proposal received: 
Friday, 29 May, 2020
Date proposal approved: 
Friday, 29 May, 2020
Keywords: 
Epidemiology, No direct analysis of diseases as such, we will be exploring the associations of the environment on DNA methylation. , Statistical methods, Birth outcomes, Environment - enviromental exposure, pollution, Epigenetics

B3548 - Investigating the influence of natural selection on metabolites - 28/05/2020

B number: 
B3548
Principal applicant name: 
Tom Gaunt | MRC IEU University of Bristol (United Kingdom )
Co-applicants: 
Charlie Hatcher , Dr Santi Rodriguez , Dr Josine Min , Dr Daniel Lawson
Title of project: 
Investigating the influence of natural selection on metabolites
Proposal summary: 

Environmental and genetic factors both play a role in shaping individual variation. Characteristics that increase an individual’s chance of survival and reproduction are more likely to be passed onto the next generation. This process is known as natural selection and it is reflected at the genetic level. Negative selection is a form of natural selection whereby rare genetic factors with harmful effect on survival and reproduction are removed from populations. Recent studies have found evidence of negative selection acting on complex traits such as body mass index (BMI), blood pressure and height.

This project will explore how natural selection influences molecular traits. Metabolites are intermediates or end products of biological processes and they are linked to numerous diseases. Gaining a better understanding of how metabolites are related to survival and reproduction will enable researchers to prioritise specific research avenues. This prioritisation may improve human health.

Impact of research: 
This work will investigate whether selection at the complex trait level is reflected at the molecular trait level (specifically metabolites), thus enabling us to better understand the relationship between complex traits, molecular traits and fitness. Understanding selection on molecular traits such as metabolites will ultimately help to identify biological pathways that can be intervened on to prevent and/or cure disease. Additionally, detecting regions of the genome under selection can also be used to help prioritise GWAS hits.
Date proposal received: 
Wednesday, 27 May, 2020
Date proposal approved: 
Thursday, 28 May, 2020
Keywords: 
Genetic epidemiology (including association studies and mendelian randomisation), Statistical methods, Genetic epidemiology

B3547 - A UK underpinning platform to study immunology and immunopathology of COVID-19 The UK Coronavirus Immunology Consortium - 03/06/2020

B number: 
B3547
Principal applicant name: 
Paul | Birmingham University
Co-applicants: 
Nicholas Timpson, Sue Ring, Adam Finn, Laura Rivino, Linda Wooldridge
Title of project: 
A UK underpinning platform to study immunology and immunopathology of COVID-19: The UK Coronavirus Immunology Consortium
Proposal summary: 
Impact of research: 
Understanding of COVID-19 immune response
Date proposal received: 
Wednesday, 27 May, 2020
Date proposal approved: 
Thursday, 28 May, 2020
Keywords: 
Immunology, Infection, Serological testing for COVID-19 (remote blood collection), detailed followup and immunology following blood collection. , Immunity

B3546 - UKRI Future Leaders Fellowship The heart-brain connection in ALSPAC30 cardioaggression and neuroselection - 02/06/2020

B number: 
B3546
Principal applicant name: 
Chloe Park | UCL (UK)
Co-applicants: 
Professor Alun Hughes, Professor Nish Chaturvedi
Title of project: 
UKRI Future Leaders Fellowship: The heart-brain connection in ALSPAC@30: cardioaggression and neuroselection?
Proposal summary: 

As more people live to old age, dementia is on the rise, but there is currently no effective treatment. This comes at enormous personal, societal and economic cost. I and others have previously shown that a decrease in heart function is associated with early cognitive impairment, however the underlying cause is not clear. It is possible that poor heart function may lead to poor blood flow in the brain, which may be the link. Another possible link between the heart and the brain runs in the opposite direction. Instead of heart problems leading to brain problems, it could be that lower cognitive function as a child leads to heart problems later in life. I will investigate the direction of the heart-brain association in 30yr olds from the ALSPAC cohort, that have had data collected since birth, including genetic, cognitive and heart measures. I will collect new detailed data on the heart and the brain during rest and during exercise. The results of this study are important as dementia is a public health priority. The clinical implications of reduced cognition among people with impaired heart function are considerable. By understanding the underlying mechanisms, we can reduce the burden of both of these conditions.

Impact of research: 
Dementia is the greatest global health and social challenge in current times, there is no cure and its impact is devastating, but it does not have to be an inevitable consequence of aging. If we can understand the mechanisms then we can intervene and prevent/delay its effects. I propose that there is a bidirectional association between cognition and cardiovascular disease and by applying sophisticated methodologies and techniques to assess cardiac and brain function and haemodynamics, and by applying a life-course approach, this investigation will significantly advance our understanding of the causal mechanisms underlying both cardiac and cognitive decline. No previous study has assessed the heart-brain connection during dynamic testing in this age group or with a bi-directional, RbG approach before. The results could highlight the potential for early life intervention to preserve both cognitive function and cardiovascular health.
Date proposal received: 
Tuesday, 26 May, 2020
Date proposal approved: 
Wednesday, 27 May, 2020
Keywords: 
Physiology, Cognitive dysfunction and Cardiac dysfunction, Medical imaging, Cardiovascular

B3545 - School starting age the role of gene-environment interactions - 03/06/2020

B number: 
B3545
Principal applicant name: 
Stephanie von Hinke | University of Bristol (UK)
Co-applicants: 
Title of project: 
School starting age: the role of gene-environment interactions
Proposal summary: 

It is well known that September-born children perform better on school tests than August-borns, most likely because they are "older in the year". This project aims to explore the importance of gene-environment interplay within this context. More specifically, it will investigate whether this September-effect, or the effect of being "old in the academic year", varies with an individual's genetic predisposition, as proxied by a polygenic score for cognitive ability, for educational attainment, and for 'non-cognitive' skills. We will examine the effects on cognitive outcomes such as academic achievement, as well as on non-cognitive skills, such as the children's "strength and difficulties".

Impact of research: 
We are writing a "practitioners' paper" on estimating gene-environment interplay in economics. This paper will focus on how the environment as well as genetic information can be incorporated within this framework, highlighting the role of endogeneity, measurement error, the interpretation of polygenic scores, and the inter-relatedness of genes and the environment. We would like to include the above application in this paper, investigating the importance of gene-environment interactions in the timing of birth relative to 1 September. With the increasing availability and use of genetic information in social science research, we believe this paper will be read widely across the social sciences.
Date proposal received: 
Monday, 25 May, 2020
Date proposal approved: 
Tuesday, 26 May, 2020
Keywords: 
Social Science, Behaviour - e.g. antisocial behaviour, risk behaviour, etc., Statistical methods, Social science, Statistical methods

B3478 - Understanding how eating behaviours mediate genetic susceptibility to obesity - 26/05/2020

B number: 
B3478
Principal applicant name: 
Natalia Lawrence | University of Exeter (United Kingdom)
Co-applicants: 
Shahina Begum, Timothy Frayling, Zoi Toumpakari, Elanor Hinton , Laura Johnson
Title of project: 
Understanding how eating behaviours mediate genetic susceptibility to obesity
Proposal summary: 

The obesity epidemic has largely been attributed to the modern food environment, in which foods high in fat and sugar are affordable, accessible and aggressively marketed. However, genetics and individual eating habits have also been argued to heavily influence weight. Eating more than needed can lead to weight gain, but for some, exercising control and knowing when to stop is particularly difficult. Longitudinal studies have suggested that flexible restraint (e.g. a gradual approach to dieting, using control when over-eating) is more adaptive and prevents weight gain in individuals with a lack of control over eating relative to more rigid forms of restraint (an ‘all or nothing’ approach). This study proposes to investigate how much of the relationship between inherited genes and obesity in adulthood, is facilitated by eating habits and food preferences, and whether these pathways can be lessened through contending eating behaviours and food preferences in childhood and adulthood.

Impact of research: 
Understanding of the mechanisms through which genetic determinants affect eating behaviours, and in turn adiposity is expected to inform the body of research investigating the most effective obesity prevention and treatment interventions.
Date proposal received: 
Tuesday, 26 May, 2020
Date proposal approved: 
Tuesday, 26 May, 2020
Keywords: 
Psychology and Genetics, Behaviour - e.g. antisocial behaviour, risk behaviour, etc., Obesity, Computer simulations/modelling/algorithms, Statistical methods, BMI, Cognition - cognitive function, Genetic epidemiology, Genetics, Growth, Neurology, Nutrition - breast feeding, diet, Psychology - personality

B3544 - Investigating the effect of maternal and paternal phenotypes on offspring cardiometabolic risk factors - 22/05/2020

B number: 
B3544
Principal applicant name: 
Tom Bond | University of Queensland (Australia)
Co-applicants: 
Dr Daniel Hwang, Dr Geng Wang, Prof Dave Evans, Dr Nicole Warrington, Prof Debbie Lawlor
Title of project: 
Investigating the effect of maternal and paternal phenotypes on offspring cardiometabolic risk factors
Proposal summary: 

Maternal and paternal characteristics (for example, maternal and paternal obesity, maternal gestational hypertensive disorders and maternal dietary intakes) are linked with the offspring’s risk of obesity and cardiometabolic disease in adulthood (such as coronary heart disease and type two diabetes). One explanation for such correlations is that maternal and paternal phenotypes alter the environment that the sperm, egg cells and fetus develop in, thereby causing the offspring to be more susceptible to cardiometabolic disease in adulthood. However, mothers and fathers also pass on their genes to their children, and provide an environment for their children to grow up in, both of which provide alternative explanations for the aforementioned correlations. Because of this it is currently unclear whether the mother’s and father’s BMI, maternal gestational hypertensive disorders and maternal dietary intakes have causal effects on the offspring’s risk of obesity and cardiometabolic disease.

Impact of research: 
This work will provide evidence as to whether intervention to prevent maternal/paternal obesity, gestational hypertension and poor diet prior to conception are promising means to prevent cardiometabolic disease in the offspring’s generation
Date proposal received: 
Thursday, 21 May, 2020
Date proposal approved: 
Friday, 22 May, 2020
Keywords: 
Epidemiology, Diabetes, Hypertension, Obesity, Pregnancy - e.g. reproductive health, postnatal depression, birth outcomes, etc., Statistical methods, Mendelian randomization, Birth outcomes, Blood pressure, Mendelian randomisation, Mothers - maternal age, menopause, obstetrics, Metabolic - metabolism, Methods - e.g. cross cohort analysis, data mining, mendelian randomisation, etc., Offspring, Statistical methods, BMI, Cardiovascular, Fathers, Genetic epidemiology, Genetics, Genomics, Genome wide association study, Growth

B3543 - COVID-19- Pregnancy Cardiometabolic health and selection bias - 13/07/2020

B number: 
B3543
Principal applicant name: 
Deborah Lawlor | MRC IEU (United Kingdom)
Co-applicants: 
Prof Kate Tilling, Kate Northstone, Gemma Clayton, Ahmed Elhakeem, Dan Smith, Nic Timpson, Simon Haworth, Carolina Borges, Alba Fernandez Sanles
Title of project: 
COVID-19- Pregnancy, Cardiometabolic health and selection bias
Proposal summary: 

We plan to use Children of the 90s to understand the following: (i) whether being smoking, overweight or obese, having higher blood pressure or blood glucose (sugar) or lipids (fat) makes you more likely to become infected with the SARS-CoV2 virus and to have more severe symptoms; (ii) whether having the infection makes these cardiovascular risk factors worise; (iii) whether pregnancy complications (hypertensive disorders of pregnancy, gestational diabetes, having a baby who is small or large at birth, delivering a baby early) that are know to relate to a woman's cardiometabolic health are related to risk of COVID-19 in the mother and their offspring; (iv)is there any evidence that the COVID-19 pandemic and its management is influence decisions about delaying plans to get pregnant / have children and what is the infection rate and severity in couples of reproductive age; (v) is there any evidence that pregnancy increases or decreases risk of COVID-19 risk and severity

Impact of research: 
Informing policy, understanding vulnerable groups
Date proposal received: 
Wednesday, 20 May, 2020
Date proposal approved: 
Thursday, 21 May, 2020
Keywords: 
Epidemiology, Hypertension, NMR, Infection COVID-19

B3541 - Tackling genetic and phenotypic heterogeneity of neurodevelopmental disorders - 19/05/2020

B number: 
B3541
Principal applicant name: 
Thomas Bourgeron | Institut Pasteur (France)
Co-applicants: 
Thomas Rolland, Claire Leblond, Freddy Cliquet, Alexandre Mathieu, Roberto Toro, Guillaume Dumas, Julien Fumey, Andres Roman-Urrestarazu, Varun Warrier, Simon Baron-Cohen
Title of project: 
Tackling genetic and phenotypic heterogeneity of neurodevelopmental disorders
Proposal summary: 

In the last 20 years, there was a tremendous progress in identifying genetic risk factors for autism or neurodevelopmental disorders (NDDs) such as intellectual disability and epilepsy. If mutations affecting synaptic or chromatin remodelling genes are now well accepted as susceptibility factors for autism and NDDs, many key questions remain unanswered: (i) What is the interplay between the common and the rare genetic variants ? (ii) What are the genetic and environmental factors that influence the clinical trajectories of the patients? (iii) What are the specific brain processes involved? To address some of these questions, we will investigate the genetic and phenotypic data of the ALSPAC cohort to understand how genetic mutations in autism/NDD associated genes can have different consequences on the cognitive development of the individuals depending on the genetic and environmental background. Beyond improving our knowledge on the genetic architecture of autism/NDDs, our project should also lead to the identification of protective factors explaining how some individuals are resilients to strongly deleterious mutations.

Impact of research: 
This project addresses questions that are recurrently asked by clinical geneticists working in the field of NDDs. When a mutation is detected, what is the outcome of the patient? Can we have a better prediction of the clinical trajectory of the patients? We will provide a better genetic and phenotypic characterization of the carriers of the deleterious mutations and identify “protective factors” that could compensate the severity of the mutation. Beyond improving our understanding of NDDs, our project holds the promise of a true personalized medicine and new venues for drug development such as early patient stratification in clinical trials.
Date proposal received: 
Monday, 18 May, 2020
Date proposal approved: 
Tuesday, 19 May, 2020
Keywords: 
Mental health - Psychology, Psychiatry, Cognition, Developmental disorders - autism, Computer simulations/modelling/algorithms, Genetics

B3540 - Wellcome Longitudinal Population Study LPS COVID-19 Steering Group Secretariat - 17/05/2020

B number: 
B3540
Principal applicant name: 
Nic Timpson | University of Bristol
Co-applicants: 
Professor David Porteous
Title of project: 
Wellcome Longitudinal Population Study (LPS) COVID-19 Steering Group & Secretariat
Proposal summary: 

Seeking financial support to enable a secretariat for a newly formed steering group aimed at most effectively using UK population research resources to address questions relevant to the ongoing COVID-19 pandemic (£120585 over 12 months).

Impact of research: 
The COVID pandemic has already demonstrated that population research resources can be aligned around a common research goal and that a modest infrastructure investment can yield an efficient response which levers value from previous funder investment. This proposal is focused on the bringing together of UK population-based resources through the explicit and real generation, administration and analysis of a multi-study COVID-19 questionnaire. It is purposefully limited to this objective, but will create a model of agile, coordinated responses to emergent questions of high public interest that no one cohort can adequately address. This is beyond the scope of the immediate priority and capacity of the Secretariat, but the box below outlines one obvious extension to the concept.
Date proposal received: 
Friday, 15 May, 2020
Date proposal approved: 
Sunday, 17 May, 2020
Keywords: 
Research management., Infection, RNA, LPS

B3535 - Atopic dermatitis filaggrin null mutations and COVID-119 - 17/05/2020

B number: 
B3535
Principal applicant name: 
Sinead Langan | London School of Hygiene and Tropical Medicine (United Kingdom)
Co-applicants: 
Ms Amy Mulick, Professor Alan Irvine
Title of project: 
Atopic dermatitis, filaggrin null mutations and COVID-119
Proposal summary: 

Atopic Dermatitis (AD, also known as atopic eczema and eczema) is a common disease affecting 20% of children in the UK and other high-income countries. The major genetic risk factor for AD is loss of function mutations in filaggrin, a critical skin barrier protein. There are many theories around the high prevalence of filaggrin mutations in European and Asian populations and of eczema including some proposals that having a leaky skin barrier and an overactive skin immune system might lead to skin immune cells being activated through the skin resulting in protection against pandemics. The COVID-19 pandemic is associated with substantial COVID-related health problems and deaths.

We will use data from the Avon Longitudinal Study of Parents and Children (ALSPAC) prospective birth cohort study questionnaires and clinical visits to identify people with evidence of eczema in childhood, and genetic data to identify people with filaggrin null mutations. We are very familiar with these data in ALSPAC and have very recently analysed these data. We will then determine if people in early adulthood (the age of the cohort at the time of pandemic emergence) with evidence of childhood eczema are at reduced risk of reporting symptoms suggestive of COVID-19. The subsequent analysis will involve assessing if those with filaggrin null mutations (with and without eczema) have reduced risk of reporting COVID-19 symptoms. We will stratify by the presence or absence of asthma to see if the risks vary in these subgroups.

Impact of research: 
This study is hypothesis testing. We will test the hypothesis that young people who had eczema in childhood have reduced risk of reporting symptomatic COVID-19 infection during the first weeks of the pandemic, and the hypothesis that having filaggrin null mutations might be protective against symptomatic COVID-19 infection in young people during the first weeks of the pandemic. If we do discover that eczema and filaggrin null mutations are protective, this could have important implications for the wider population in relation to shielding advice but also potential novel therapeutic interventions taking advantage of the skin barrier to prime the immune system. This work will result in high impact papers, conference presentations.
Date proposal received: 
Monday, 11 May, 2020
Date proposal approved: 
Sunday, 17 May, 2020
Keywords: 
Epidemiology, Allergy, Statistical methods, Dermatology

B3539 - Family background and the intergenerational transmission of educational attainment A multi-cohort analysis - 28/05/2020

B number: 
B3539
Principal applicant name: 
Jasmin Wertz | Duke University (USA)
Co-applicants: 
Avshalom Caspi, PhD, Terrie E. Moffitt, PhD, Karen Sudgen, PhD , David Corcoran, PhD, Renate Houts, PhD, Sophie von Stumm, PhD, Sophie Cave
Title of project: 
Family background and the intergenerational transmission of educational attainment: A multi-cohort analysis
Proposal summary: 

The overall aim of this project is to study how family background influences children’s attainment. We are interested in two questions. The first question is, how do ‘nature’ and ‘nurture’ combine to influence children’s attainment? To answer this question, we will test whether parental education-associated genetics are associated with the quality of parenting they provide to their children. We will test associations with parental behaviour from before a child is born (e.g., smoking, alcohol use during pregnancy), through infancy (e.g. breastfeeding), childhood (e.g. warm, sensitive parenting; cognitive stimulation), and adolescence (e.g. parental monitoring). We hypothesise that parents’ education-associated genetics are positively associated with these changing forms of parental investment across time. These analyses are a replication and extension of two previous papers from our lab (Wertz et al., 2018; Wertz et al., in press). In the proposed study, we will extend our previous work by a) analysing parenting across a wider age range of the child; b) replicating prior findings across several datasets (including ALSPAC); and c) incorporating measures of genetics and parenting from both mothers and fathers. The second question is, how do links between family socioeconomic status (SES) and children’s educational attainment change across time? To answer this question, we will test if the influence of family SES on children’s school performance has remained stable in Britain over time. We will test associations between family SES and children’s educational attainment across childhood, and compare estimates across different cohorts -- including ALSPAC -- from different historical periods. We hypothesise that the effect of family SES on children’s education will be relatively stable across time. Overall, this project will advance our understanding of the intergenerational transmission of educational attainment.

Impact of research: 
We believe this research will have impact in at least three ways. First, this research will create a better understanding of how genes and environments work together to shape child development. Second, this research will provide insights about how changing educational systems within the UK affect links between family background and children's attainment. Third, this research will contribute to a better understand of the mechanisms underlying and modifying the intergenerational transmission of educational attainment.
Date proposal received: 
Wednesday, 13 May, 2020
Date proposal approved: 
Thursday, 14 May, 2020
Keywords: 
Social Science, Behaviour - e.g. antisocial behaviour, risk behaviour, etc., Statistical methods, Parenting

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