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I am a human geneticist studying the genetics (molecular genetics and heredity) and variation of common complex human traits and disease, in particular, migraine and endometriosis.
Genome-wide Association Study Of Migraine In Women With Endometriosis
Funder
National Health and Medical Research Council
Funding Amount
$320,036.00
Summary
Typical migraine, is a frequent, debilitating and painful disorder that affects people during their most productive years (25% of females and 7.5% of males). Women suffering endometriosis (a painful gynecologic disorder affecting up to 10% of women) are at an increased risk of suffering migraine headaches. Our proposed collection of migraine phenotype data on our endometriosis cohort will facilitate identification of genes underlying both disorders.
One Australian dies of Motor Neuron Disease (MND) every day. MND is likely to be due to a genetic susceptibility to an environmental agent such as a toxin or a virus. Recent advances in gene therapy have emphasised the urgent need to find the gene abnormalities in MND. We propose to set up an Australia-wide DNA Bank for MND to allow researchers to look for genetic abnormalities and environmental influences in this disease.
Heroin Dependence In WA: Identification Of Candidate Genes Involved In Susceptibility And Treatment Outcome
Funder
National Health and Medical Research Council
Funding Amount
$560,797.00
Summary
We will address identification of genetic factors which are important for the development of heroin addiction. In addition, we will correlate variation in genes involved in metabolism of heroin as well as the drugs used to treat heroin addiction with treatment outcome. Once these genetic factors are identified it will allow earlier intervention for treatment. In addition, it will allow identifying which treatment option might be most successful for the single individual.
Cis Regulatory And Functional Analysis Of Genomic Loci With Implication In Hypothalamic Obesity Using The Zebrafish As A Model System
Funder
National Health and Medical Research Council
Funding Amount
$480,936.00
Summary
Gene regulatory mutations cause changes in gene activity (expression -level, -time, -site) and therefore decide about the availability of proteins. Regulatory mutations in uncharacterized genomic loci that are related to obesity and further their effects shall be identified, with emphasis on those affecting the hypothalamic food intake control circuits. Since the energy metabolism system and the obesity candidate genes are conserved, the model system zebrafish will be used for these analyses.
Novel Gene Identification And Characterisation In Epilepsy.
Funder
National Health and Medical Research Council
Funding Amount
$303,964.00
Summary
Epilepsy is a serious neurological disorder affecting up to 5% of the population at some point in their lives. Approximately 70% cases of epilepsy are genetic, but very few of the genes involved have been identified. This project will use state-of-the-art techniques to identify genetic mutations causing an inherited form epilepsy affecting infants. This research is expected to reveal new gene families involved in the genesis of epilepsy and thus new targets for the development of treatments.
Genetic Analysis Of Migraine And Comorbid Psychiatric Disorders Using Twin Families
Funder
National Health and Medical Research Council
Funding Amount
$554,450.00
Summary
Typical migraine, is a frequent, debilitating and painful disorder that normally affects people during their most productive years (up to 25% of females and 7.5% of males in Western populations). Additionally, several studies have demonstrated a cross-sectional relation between psychiatric disorders (namely anxiety and depression) and migraine in community samples. The World Health Organization (WHO) recently identified migraine and major depression among the world's top 20 leading causes of dis ....Typical migraine, is a frequent, debilitating and painful disorder that normally affects people during their most productive years (up to 25% of females and 7.5% of males in Western populations). Additionally, several studies have demonstrated a cross-sectional relation between psychiatric disorders (namely anxiety and depression) and migraine in community samples. The World Health Organization (WHO) recently identified migraine and major depression among the world's top 20 leading causes of disability, with an impact that extends far past the suffering individual, to the family and community. In both sexes of all ages, depression and migraine are the 1st and 19th leading causes of disability affected life years. Although both migraine and depression are highly prevalent in our society, their aetiologies remain relatively obscure and there are no laboratory based diagnostic tests that identify those who suffer from the disorders. Because so little is known about them, a positional cloning approach is the only feasible way to identify the molecular mechanisms underlying these disorders. This project will collect a sample with sufficient power to perform a genome wide linkage screen to i) identify novel susceptibility genes, and ii) confirm previously reported susceptibility genes for migraine and co-occurring psychiatric disorders. The susceptibility genes identified (and confirmed) in this sample will provide clues to the further elucidation of the complex molecular pathways of migraine (and co-occurring psychiatric disorders) and, finally, will help in the development of diagnostic tests and rational treatment strategies.Read moreRead less
Dominant Repeat Expansion Diseases - A Common RNA Mediated Pathogenic Pathway?
Funder
National Health and Medical Research Council
Funding Amount
$281,118.00
Summary
There are fourteen human genetic diseases that are caused by a similar mutation mechanism and have similar clinical outcomes - the loss of function, degeneration and eventual death of nerve cells. This group of diseases includes Huntington's Disease. They are transmitted from parent to offspring such that each child of an affected parent has 50% risk of inheriting the affected gene and therefore developing the disease. The symptoms of these diseases typically develop later in life - between the ....There are fourteen human genetic diseases that are caused by a similar mutation mechanism and have similar clinical outcomes - the loss of function, degeneration and eventual death of nerve cells. This group of diseases includes Huntington's Disease. They are transmitted from parent to offspring such that each child of an affected parent has 50% risk of inheriting the affected gene and therefore developing the disease. The symptoms of these diseases typically develop later in life - between the ages of 35 and 50 years. While the different genes for these diseases have been identified the pathways that lead from their similar form of mutation to their similar clinical outcomes are not yet understood. Some evidence suggests that certain of these diseases have a common toxic component but this component is not shared by all of the disease genes and so an additional agent that they have in common is being sought. This research will use a genetic model organism - the vinegar fly, Drosophila melanogaster, to test the identity of a good candidate (RNA) for a common toxic agent and to provide information about the pathway by which RNA leads to nerve cell degeneration and death. Accurate and complete knowledge of the identity and composition of the pathways that lead from the mutation to the disease are crucial for correct target identification in the development of drug leads.Read moreRead less
Fainting (syncope) is a common disorder leading to blackouts, which can cause injury. Breath-holding is a related problem in younger children also resulting in blackouts. Both of these conditions can run in families but little is known about what causes these events. We will study large families to identify the genes underlying these common phenomena. This will deepen our understanding of patterns of inheritance, improve genetic counseling, and lead to better diagnostic and treatment options.
Imaging Genetics In Schizophrenia And Bipolar Disorder: Adjudicating Neurocognitive Endophenotypes
Funder
National Health and Medical Research Council
Funding Amount
$569,873.00
Summary
Schizophrenia and bipolar disorder share some common genes and cognitive deficits, yet manifest differently in terms of symptom expression, illness course, and functional impact. This research tests the assertion that genes implicated as common to these conditions may code for impairments in prefrontal cognitive and sub-cortical emotion processing. We also examine whether between-diagnosis distinctions in these brain responses may be mediated by hypothalamic-pituitary-adrenal axis functioning.