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Understanding Immune Tolerance In Pregnancy To Discover A New Intervention For The Treatment Of Pre-eclampsia
Funder
National Health and Medical Research Council
Funding Amount
$492,202.00
Summary
Pre-eclampsia is a common complication of pregnancy. Women who develop pre-eclampsia experience high blood pressure, swelling and lose protein in the urine. There is no treatment for pre-eclampsia other than delivery of the baby. Pre-eclampsia has risks for the mother and the baby. This research will discover whether generalised inflammation in the mother is a cause of pre-eclampsia and will evaluate the role of a novel treatment for its potential to prevent this life threatening condition.
How The Placental Protein Syncytin Impairs Maternal Immune Responses To Influenza
Funder
National Health and Medical Research Council
Funding Amount
$609,862.00
Summary
Pregnant women are known to be highly susceptible to certain viral infections, especially influenza, which results in severe illness and even death. The reason for this transitory susceptibility are unknown. We have found that a protein, Syncytin, has the ability to impair maternal immune responses to influenza We now will determine how it does this and discover potential interventions to reverse these effects.
Peri-conception Determinants Of Reproductive And Pregnancy Health
Funder
National Health and Medical Research Council
Funding Amount
$3,560,520.00
Summary
Reproductive and pregnancy disorders are common in Australian men and women, with 6% couples seeking infertility services and another 30% experiencing recurrent miscarriage, preeclampsia or preterm birth, often resulting in life-time health problems for children, and sometimes stillbirth. This research will investigate the immune causes of these conditions, and the results will contribute to new health tools, diagnostics and medical treatments to support maternal and infant health.
The Consequences Of Innate Anti-viral Effector Responses On Reproductive Outcomes In Placental Mammals
Funder
National Health and Medical Research Council
Funding Amount
$328,060.00
Summary
The mother's immune system can tolerate the growth of an ostensibly foreign fetus during pregnancy. We will investigate whether exposure to viral infections either just before or during pregnancy can result in reduced fertility and whether it may affect fetal growth and development. These results will contribute in designing effective interventions to limit any potential detrimental outcomes.
I am a reproductive biologist - reproductive immunologist investigating the role of the female immune response and its cellular and molecular agents in establishing pregnancy. My research spans basic science and clinical and commercial transfer, and aims to improve our understanding of the factors determining optimal reproductive health in women leading to better treatments for infertility and pathologies of pregnancy, and the best possible health outcomes for babies and children.
Priming The Maternal Immune Response To Resist Inflammatory Disorders Of Pregnancy
Funder
National Health and Medical Research Council
Funding Amount
$920,972.00
Summary
Preeclampsia and preterm birth are common conditions affecting >15 million pregnancies annually. An underlying cause is the mother’s immune response, which can react adversely to the fetus causing an inflammatory reaction. This project seeks to find ways to strengthen the maternal immune system beginning before conception. The work will provide insights upon which to advise intending parents and will inform development of new treatments options to protect susceptible women.
Immunobiology Of Early Pregnancy - A Model Of Virus-induced Abortion
Funder
National Health and Medical Research Council
Funding Amount
$454,500.00
Summary
The lack of 'self' molecule expression on the trophoblast cells of the placenta which interface directly with the mother's circulation, as well as the local suppression of the mother's immune response at this interface, may be important factors in the successful implantation of the embryo. This immunological 'silence' allows the embryo, whose paternal genetic contribution makes it immunologically foreign to the mother, to escape the rejection reaction normally associated with foreign graft trans ....The lack of 'self' molecule expression on the trophoblast cells of the placenta which interface directly with the mother's circulation, as well as the local suppression of the mother's immune response at this interface, may be important factors in the successful implantation of the embryo. This immunological 'silence' allows the embryo, whose paternal genetic contribution makes it immunologically foreign to the mother, to escape the rejection reaction normally associated with foreign graft transplantation. Infection with flaviviruses increases the concentrations of cell surface self and adhesion molecules in vertebrate cells, including the trophoblast cells of the placenta. As a result, these molecules can then be recognised by the maternal immune system and the embryo targeted for destruction. We hypothesise that the induction of these molecules by this and other viruses may break the immunological silence of the early embryo and reverse the local suppression of the maternal immune response. This would result in maternal immune rejection of the embryo and abortion. This initial sensitisation of the mother by the virus might be one of the reasons that some women suffer recurrent abortions. We will use a novel viral mouse model where we implant virus-infected embryos into receptive animals to enable us to dissect out the unusual requirements for induction of maternal anti-viral immunity during pregnancy. This model was developed in our laboratory to directly test our hypotheses. It does not cause systemic illness in the mother which itself can lead to non-specific abortion. This model therefore can for the first time elucidate the specific mechanisms associated with the delicate balance between eradicating virus and maintaining pregnancy. Results from this project will inform rational design of treatment of recurrent abortions in the community.Read moreRead less
The Consequences Of Innate Immune Inflammatory Responses During Early Pregnancy And Their Effect On Reproductive Outcomes.
Funder
National Health and Medical Research Council
Funding Amount
$367,788.00
Summary
The mother's immune system can tolerate the growth of an ostensibly foreign fetus during pregnancy, yet remain vigilant to pathogenic challenge. We will investigate whether exposure to viral infections during early pregnancy leads to maternal and fetal inflammation which then impacts adversely on reproductive outcomes including fetal development and life-long health of offspring. Answers to these questions will contribute in designing effective interventions to limit the potential for detrimenta ....The mother's immune system can tolerate the growth of an ostensibly foreign fetus during pregnancy, yet remain vigilant to pathogenic challenge. We will investigate whether exposure to viral infections during early pregnancy leads to maternal and fetal inflammation which then impacts adversely on reproductive outcomes including fetal development and life-long health of offspring. Answers to these questions will contribute in designing effective interventions to limit the potential for detrimental outcomes.Read moreRead less
Development Of Novel Medical Therapies To Cure Ectopic Pregnancies
Funder
National Health and Medical Research Council
Funding Amount
$601,156.00
Summary
Ectopic pregnancies are conceptions implanting outside the womb, mainly the fallopian tube. They are pathological, and can erode straight through the tube into large blood vessels causing fatal bleeding and death. We plan to assess three medication based approaches to treat this condition that would avoid surgery entirely. If we succeed, and subsequently translate one or more of these treatments to the clinic, it would revolutionise management of this serious gynaecological emergency.