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Determining The Impact Of Inherited Epigenetic Information On Development And Disease
Funder
National Health and Medical Research Council
Funding Amount
$511,691.00
Summary
Recent observations show that the environment in which you live can alter disease susceptibility in your children, without altering the sequence of your genes. This is due to epigenetic mechanisms which control the way the DNA is interpreted. In this study we will study the potential for epigenetic mechanisms to affect sperm production and impact characteristics and disease in the next generation.
Defining The Epigenetic Origins Of Maternally Inherited Disease.
Funder
National Health and Medical Research Council
Funding Amount
$731,162.00
Summary
Epigenetic (non genetic) changes to the DNA in sperm and eggs can alter outcomes in children. Despite the potential for drugs and diet to mediate some of these inherited effects, the processes involved are very poorly understood. By determining the mechanisms that regulate epigenetic inheritance, this project will improve our understanding of how epigenetic mechanisms acting in the parent, can mediate inherited disease and life-long health outcomes in our children.
Determining The Impacts Of Epigenetic Modifying Drugs On Germline Programming And Offspring Health
Funder
National Health and Medical Research Council
Funding Amount
$863,918.00
Summary
New drugs have been developed that inhibit specific enzymes that regulate epigenetic pathways in cells. These pathways significantly affect growth and development in offspring and may represent a risk to future children of patients taking the drug. This project will determine these risks and provide data for developing clinical guidelines for safe use of the drugs.
The Role And Underlying Mechanisms Of Constitutional Epigenetic Silencing In Cancer Predisposition
Funder
National Health and Medical Research Council
Funding Amount
$218,617.00
Summary
Familial and young onset bowel and uterine cancer are usually caused by the inheritance of spelling mistakes in the genetic code within a set of cancer-protection genes. Recently, some patients were identified with their gene switched off by paralysing chemicals instead. This study aims to identify additional cancer cases with gene paralysis, determine if this arises in the presence or absence of a genetic change in front of the gene, and how gene paralysis is transmitted to the next generation.
Epilepsy is the name of a group of disorders where seizures occur. 5% of people will have at least one seizure. Seizures accompanied by fever (febrile) are common in early childhood. Most forms of epilepsy and febrile seizures have an inherited component. Progress in finding genes for common forms of epilepsy has been slow, probably because they are due to the interaction of a number of genes. Four genes for rare epilepsies with single gene inheritance have been identified. These genes code for ....Epilepsy is the name of a group of disorders where seizures occur. 5% of people will have at least one seizure. Seizures accompanied by fever (febrile) are common in early childhood. Most forms of epilepsy and febrile seizures have an inherited component. Progress in finding genes for common forms of epilepsy has been slow, probably because they are due to the interaction of a number of genes. Four genes for rare epilepsies with single gene inheritance have been identified. These genes code for subunits of ion channels in cells. We study families where many individuals have seizures and carefully diagnose the seizures types. This work has resulted in the description of 5 new inherited epilepsies and led to discovery of 3 of the 4 known genes. The most important new inherited epilepsy is Generalized Epilepsy with Febrile Seizures Plus (GEFS+). GEFS+ accounts for many children with febrile seizures restricted to early childhood, or where seizures continue into mid-childhood. GEFS+ families may contain an individual with severe generalized epilepsy with intellectual disability. In a Tasmanian family with GEFS+, we found a gene defect in the sodium channel of nerve cells in the brain. We plan to study more families with GEFS+. We believe that specific severe childhood epilepsies may occur in families with GEFS+. If so, then the underlying cause of these serious disorders may be gene defects of GEFS+. Finding such genes will help to understand the basis of seizures and ultimately lead to targeted therapies. The second major focus of our work on GEFS+ is to use family studies to understand how different types of seizures are inherited, and to gain insights into the gene interactions underlying common epilepsies. We plan to study isolated cases of GEFS+ for the gene defects found in families. This strategy will reveal whether the same genes are important in the genetics of the common epilepsies.Read moreRead less
Epimutations As Germ-line Defects In Hereditary Cancer Syndromes
Funder
National Health and Medical Research Council
Funding Amount
$385,925.00
Summary
Traditionally familial cancers were thought to be caused and inherited by spelling mistakes within the genetic code of cancer prevention genes. Our group has found that a 'chemical coat' around the MLH1 gene, causing it to be switched off, can also be inherited in some cases of bowel cancer, without any mistakes within the gene's code. We will determine if this 'coat' causes other types of cancer and if this runs in families. We also hope to find out how the coat is formed and may be reversed.