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Fine Mapping Of A Significant Linkage Region For Endometriosis
Funder
National Health and Medical Research Council
Funding Amount
$518,250.00
Summary
Endometriosis is a common disorder affecting up to 10% of women. In this condition, a special type of tissue that normally lines the inside of the womb (the 'endometrium') starts to grow outside the womb, mostly in the pelvis (lower abdomen). Common symptoms are severe pelvic pain, menstrual problems and infertility. The disease has a major impact on women's health, relationships, productivity and life choices. The mechanisms that cause endometriosis are not well understood. Genetic factors infl ....Endometriosis is a common disorder affecting up to 10% of women. In this condition, a special type of tissue that normally lines the inside of the womb (the 'endometrium') starts to grow outside the womb, mostly in the pelvis (lower abdomen). Common symptoms are severe pelvic pain, menstrual problems and infertility. The disease has a major impact on women's health, relationships, productivity and life choices. The mechanisms that cause endometriosis are not well understood. Genetic factors influence a woman's risk of developing endometriosis and finding genes and pathways leading to this disease would be a major advance. This will help design better approaches for the diagnosis, prevention and treatment of endometriosis. Since 1996, nearly 4,000 women with endometriosis plus their families have joined our genetic study. This includes around 1,000 families with two or more sisters who both have the disease. We have looked at the DNA from these sisters and found significant evidence for a gene or genes affecting endometriosis on one chromosome. No one else has linked this location with endometriosis. We are now focusing our efforts in the laboratory on this area, which contains approximately 250 genes. The aim of our new project is to study genes in the region in more detail to pinpoint the gene or genes responsible for risk of endometriosis.Read moreRead less
Representation Of Spatial Coordinate Systems Within Posterior Parietal Cortex And Hippocampus
Funder
National Health and Medical Research Council
Funding Amount
$43,759.00
Summary
To accurately reach for an object or walk from one room to another, our brains need to be able to locate objects around us and detect obstacles in our path. Our amazing ability to make an accurate eye movement directly towards an object such as a cup of tea and move our hand smoothly and directly to the cup is something we all take for granted. However, this ability requires enormous computational complexity which our brains have evolved to handle with ease. We plan to determine the parts of the ....To accurately reach for an object or walk from one room to another, our brains need to be able to locate objects around us and detect obstacles in our path. Our amazing ability to make an accurate eye movement directly towards an object such as a cup of tea and move our hand smoothly and directly to the cup is something we all take for granted. However, this ability requires enormous computational complexity which our brains have evolved to handle with ease. We plan to determine the parts of the brain that perform these computations by using a relatively new technique called functional magnetic resonance imaging or fMRI. This is a non-invasive technique that requires a person to lie in an MRI scanner and perform simple eye movement tasks while the scanner takes images of the brain. With this technology we are able to determine which regions of the brain are most active during the performance of each task, thereby giving us an insight into how the brain works. An area of the brain called the parietal lobe is thought to be involved in the localization of objects, such as reaching for a cup of tea. We will study this area using fMRI to determine how a map of space is represented within the parietal lobe. This region of the brain communicates with another region, the hippocampus which is thought to be involved in navigation, such as walking about the house or driving in the city. Functional MRI will be used to study the hippocampus of our subjects while they perform simple navigational tasks through a maze which is simulated on a computer screen. This will reveal the role hippocampus plays in navigation and the relationship between the parietal lobe and hippocampus. We hope that the greater understanding of hippocampus that will arise from this study will enable us to devise a robust method for imaging hippocampal function with fMRI. We expect that these techniques will aid in the diagnosis of hippocampal abnormalities in patients with temporal lobe epilepsy.Read moreRead less