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BONE SIZE AND BONE TURNOVER: RELATIONSHIP TO FRACTURE RISK OVER TEN YEARS
Funder
National Health and Medical Research Council
Funding Amount
$428,225.00
Summary
The occurrence of fracture in the ageing population is a major public health problem because these fractures are responsible for considerable morbidity and mortality. Of women reaching 90 years of age, one third will fracture their hip and overall, one in every six women will sustain an osteoporotic fracture in her lifetime. The direct cost to the community is unknown but estimated, conservatively, at 175 million dollars annually. Most of this is likely to be the result of hip fractures which oc ....The occurrence of fracture in the ageing population is a major public health problem because these fractures are responsible for considerable morbidity and mortality. Of women reaching 90 years of age, one third will fracture their hip and overall, one in every six women will sustain an osteoporotic fracture in her lifetime. The direct cost to the community is unknown but estimated, conservatively, at 175 million dollars annually. Most of this is likely to be the result of hip fractures which occupy an estimated 400,000 bed-days annually. This bed occupancy is fourth next to mental illness, cardiac disease and cancer. The Geelong Osteoporosis Study is a large population-based epidemiological study currently under way to evaluate the major risk factors for fracture in women . This present study which will be an extension of the study to date, will provide in total, 8-10 years of data concerning the processes that result in increased bone fragility and fracture.Read moreRead less
Development Of Novel Vaccine Strategies To Prevent Genital Tract Chlamydial Infection
Funder
National Health and Medical Research Council
Funding Amount
$408,556.00
Summary
Genital tract chlamydial infection is the most common bacterial sexually transmitted disease world wide with 4-5 million cases occurring annually throughout the world. The incidence of chlamydial infection is increasing in the Australian population. The majority of infections in women are asymptomatic and, if untreated, go on to cause pelvic inflammatory disease, ectopic pregnancy and infertility. These conditions can be life threatening and are a significant public health cost. In the proposal ....Genital tract chlamydial infection is the most common bacterial sexually transmitted disease world wide with 4-5 million cases occurring annually throughout the world. The incidence of chlamydial infection is increasing in the Australian population. The majority of infections in women are asymptomatic and, if untreated, go on to cause pelvic inflammatory disease, ectopic pregnancy and infertility. These conditions can be life threatening and are a significant public health cost. In the proposal we will develop novel vaccine strategies, involving both intranasal immunisation and immunisation by direct application to the skin, to induce protection against genital tract chlamydial infection. These studies will lay the basis for human trials of a vaccine to prevent what is now the most common STD in Australia. Such a vaccine to target this chronic infection would represent a major advance in preventive healthcare for the maintenance of good health.Read moreRead less
Oestrogens And The Metabolic Process: Regulatory Interaction With The GH-IGF-system In Health And Disease
Funder
National Health and Medical Research Council
Funding Amount
$547,970.00
Summary
Growth hormone (GH) plays a key role in controlling body metabolism, fat and muscle in adult life. The female hormone oestrogen controls how much GH is secreted and how well it acts. Drugs that act like or interfere with the action of oestrogen are used increasing for the treatment of many conditions e.g. growth, cancer and osteoporosis. This proposal examines their impact on cardiovascular and physical health.
The future of cancer therapy lies in the tailoring of treatment to the characteristic of individual tumour. We have previously identified a subset of breast tumours that are characterised by the presence of large excess of proteins called D-type cyclins. Similar overexpression of cyclin D1 has been shown to lead to the development of cancer in mammary gland in animal models. In normal cells, D-type cyclins are degraded rapidly, therefore the regulation of protein degradation, or proteolysis, is ....The future of cancer therapy lies in the tailoring of treatment to the characteristic of individual tumour. We have previously identified a subset of breast tumours that are characterised by the presence of large excess of proteins called D-type cyclins. Similar overexpression of cyclin D1 has been shown to lead to the development of cancer in mammary gland in animal models. In normal cells, D-type cyclins are degraded rapidly, therefore the regulation of protein degradation, or proteolysis, is crucial in preventing the accumulation of D-type cyclins. In the subset of breast cancers we have identified, D-type cyclin proteolysis is defective. We, and others, have obtained evidence for the involvement of the SKP2 gene in the proteolysis of D-type cyclins. SKP2 has also been shown to be required for the proteolysis of another important protein, called p27. In the clinic, accumulation of p27 in tumours is used as a good prognostic indicator. However, some exceptions have been found where the accumulation of p27 correlates with aggressive tumours. As D-type cyclins are able to counteract the effect of p27, we hypothesise that the aggressive behaviour of these tumours is due to the simultaneous accumulation of D-type cyclins and that this is due to a mutation in the SKP2 gene. The experiments described in this proposal are designed to test this hypothesis. As the choice of treatment is affected by the interpretation of p27 levels, the results obtained from this study may have a direct impact in the clinic.Read moreRead less
Kallikrein Proteases Have Key Functional Roles In Peritoneal Invasion And Chemoresistance In Epithelial Ovarian Cancer
Funder
National Health and Medical Research Council
Funding Amount
$815,541.00
Summary
Only 30% of ovarian cancer patients with advanced disease survive for 5 years. This is because the cancer quickly spreads into the abdominal cavity and often becomes resistant to chemotherapy. We aim to use a new 3D culture system, mouse models and novel inhibitors to study the roles of 4 kallikrein enzymes in these events. The outcomes from this study will lead to a better understanding of the role of kallikreins in ovarian cancer and may lead to new treatment approaches.
Functional Analysis Of The Roles Of The Serine Protease Kallikrein 7 And Its Variant Isoform In Serous Ovarian Cancer.
Funder
National Health and Medical Research Council
Funding Amount
$509,017.00
Summary
Ovarian cancer is the leading cause of death from gynaecological cancers with 1,200 women in Australia diagnosed with the disease in 2004, and 852 patients dying of ovarian cancer. The mortality rate has improved little over the last two decades with one of the major reasons being that ovarian cancer is often diagnosed at a late stage when cancer cells have spread into the abdomen or metastasised to other sites. The kallikrein family of serine proteases or enzymes is emerging as very useful diag ....Ovarian cancer is the leading cause of death from gynaecological cancers with 1,200 women in Australia diagnosed with the disease in 2004, and 852 patients dying of ovarian cancer. The mortality rate has improved little over the last two decades with one of the major reasons being that ovarian cancer is often diagnosed at a late stage when cancer cells have spread into the abdomen or metastasised to other sites. The kallikrein family of serine proteases or enzymes is emerging as very useful diagnostic or prognostic biomarkers for ovarian cancer as they often have higher levels in ovarian cancer tissue compared to the normal ovary. One of these enzymes is kallikrein 7, which is also involved in shedding of skin cells. Because of its involvement in skin, we hypothesise it may be playing a similar role in ovarian cancer and helping the cancer cells to detach from the ovary so they are free to move around the body to other sites. There are two different forms of kallikrein 7, a long form and a shorter form which is lacking a part that is crucial to enzymatic activity. While low levels of the short form have been found in normal ovary, very high levels of both forms were seen in ovarian cancer, especially the serous subtype which is the most common and most aggressive form of ovarian cancer. The aim of this project is to determine the function(s) of both forms of kallikrein 7 in ovarian cancer and to identify other molecules-proteins they are involved with. These findings will tell us if kallikrein 7 is involved in the spreading of ovarian cancer cells or metastasis and will lead to a better understanding of the development and progression of ovarian cancer. The finding from this study may also lead to better therapeutic approaches (ie blocking the action of Kallikrein 7), and-or markers to monitor ovarian cancer progression.Read moreRead less
A Structured Systems Approach For Improving Health Promotion Practice For Chronic Diseases In Indigenous Communities
Funder
National Health and Medical Research Council
Funding Amount
$666,592.00
Summary
This project will trial a model for continuous improvement, with the aim of assisting health services and community based organisations to improve the services they deliver to promote health and prevent chronic disease in Indigenous communities.
Health Status And Development Among Aboriginal Infants In An Urban Community.
Funder
National Health and Medical Research Council
Funding Amount
$436,650.00
Summary
This research is a descriptive study of the health outcomes of Aboriginal infants, born at Campbelltown Hospital. The research will build on Centre for Health Equity's (CHETRE) work, since 1997, with the Aboriginal community, Aboriginal Medical Service (AMS) and Area Health Services (AHS) in the region to develop and advocate for services to address the needs of Aboriginal and other disadvantaged communities. CHETRE has supported the Aboriginal workers to develop additional services for Aborigin ....This research is a descriptive study of the health outcomes of Aboriginal infants, born at Campbelltown Hospital. The research will build on Centre for Health Equity's (CHETRE) work, since 1997, with the Aboriginal community, Aboriginal Medical Service (AMS) and Area Health Services (AHS) in the region to develop and advocate for services to address the needs of Aboriginal and other disadvantaged communities. CHETRE has supported the Aboriginal workers to develop additional services for Aboriginal women, such as the Aboriginal Home Visiting Team (AHV) and assisted with evaluation of these services. The AHV management comprises representatives from AMS, AHS, the Aboriginal community and CHETRE, and will provide advice and oversight for this project. The AHV developed from community concern about health status of Aboriginal infants and provides ante and postnatal care to infants and mothers. As a part of this service Aboriginal infants are systematically identified by the AHS. Further development of services is limited by lack of information on health status, use of health services, or achievement of developmental milestones by Aboriginal infants in an urban community and the assumption that outcomes are a factor of disadvantage. The researchers intend to describe in meticulous detail obstetric outcomes for 150 Aboriginal infants and their mothers born in 2004-5 and the health and development outcomes of the infants at 12 months. Baseline information on birth weight, Apgar score and obstetric history will be collected from maternal report at 2-3 week post-delivery and from routine data collections. Infants and their mothers will be followed up prospectively with further data collection points at 6 months and 12 months. Information on health status, health service use, and achievement of developmental milestones will be obtained by measurement and maternal report. An assessment by a paediatrician will be undertaken at 12 months.Read moreRead less