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Progesterone Receptor-mediated Coordination Of Oocyte-oviduct Communication During Ovulation
Funder
National Health and Medical Research Council
Funding Amount
$86,128.00
Summary
Infertility affects 1 in 6 couples, often due to failed release of an egg from the ovary. The hormone progesterone is essential for this process. Our goal is to determine how progesterone signals the egg to ensure its correct release into the oviduct where fertilization may occur. To identify these signals, experiments will analyse ovary cells and eggs of mice, including mice that do not respond to progesterone. The results will provide much needed information about female reproductive health.
Feeding Behaviour And Obesity Development: Identification Of Novel Intervention Points
Funder
National Health and Medical Research Council
Funding Amount
$923,668.00
Summary
Appetite and food intake is regulated by specific neuronal structures in the brain. The most important area is the hypothalamus from which many neuronal pathways originate to control specific aspects of feeding behaviour and energy usage in the brain and the rest of the body. To better understand the contribution individual neuronal populations make to drive excess food intake we propose a new approach to identify this, making new treatment options for eating disorders and obesity possible.
Prevalence report by the Australian Advisory Board on Autism Spectrum Disorders (ASD) estimated that 1 child in every 160 children in the 6-12 year-old age group is affected by ASD. There is no cure for ASD and the causes are not understood. We propose that sex hormones may play a role in the development of these disorders. We will test this hypothesis using knockout and transgenic mouse models which have social interaction deficits and brain structure reminiscent of these disorders.
This study aims to elucidate central pathways which can be manipulated to drive the storage of excess energy away from fat and instead directing it into the production of bone mass. Having identified leptin-responsive NPY neurons as important in the control of energy partitioning, we will focus on manipulating these neurons in the hypothalamus using innovative technology to alter body composition. This research has the potential to result in novel treatments for obesity and osteoporosis.
Characterisation Of Erusiolin - A New Peptide Hormone
Funder
National Health and Medical Research Council
Funding Amount
$547,202.00
Summary
Obesity and type II diabetes are epidemic diseases in Australia. Gut-derived hormones are key mediators in these diseases, due to their role in regulating appetite and blood glucose levels. Therapeutic modulation of these hormones also provides significant benefits for patients. In this proposal, we will determine the metabolic functions, such as appetite control, for a previously uncharacterised hormone, which is an unexplored therapeutic target for obesity and diabetes.
Mechanisms Underlying Generation Of Febrile Seizures In Mouse Models Of Human Familial Epilepsy
Funder
National Health and Medical Research Council
Funding Amount
$304,559.00
Summary
Febrile Seizures (FS) affect 3% of children aged 0.5 - 6 yrs and have been proposed as an indicator of severe forms of adult generalized epilepsy. Mechanisms underlying FS generation are unknown although studies of Australian families suffering from epilepsy have linked 2 genes to FS. We have generated mice expressing these 2 genes. Aims and Outcomes: to investigate events triggering FS which will provide important insights into why FS occurs in children. (NB: CIA 2 yr career interruption)