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Endometrial Exosomes: A New Paradigm In Endometrial-embryo Cross-talk
Funder
National Health and Medical Research Council
Funding Amount
$726,978.00
Summary
Establishment of pregnancy requires molecular communication between the embryo and the lining of the womb (the endometrium) which enhances implantation into the womb and placental development. Nanoparticles (exosomes) released by the endometrium into the uterine cavity, carry cargo of genetic material and proteins, which may be transferred to the pre-implantation embryo. We will define functional changes induced by exosomes, that impact on implantation and the fetus’s long-term health.
Defining The Molecular Regulators Of Apoptotic Cell Disassembly And Their Role In Cell Clearance And Lupus-like Autoimmune Disease
Funder
National Health and Medical Research Council
Funding Amount
$773,848.00
Summary
In humans, billions of cells will die daily as part of normal turnover in various organs. It is vital that dying cells are rapidly removed as their accumulation has been linked to autoimmunity and inflammation. To aid efficient removal of dead cells, dying cells can disassemble into smaller fragments for neighbouring cells to engulf. We aim to understand the machinery that controls how dying cells can disassemble into smaller pieces and their function in cell clearance and autoimmunity.
ARC, A Newly Identified Regulator Of Chondrocyte Differentiation And Death, Is A Novel Therapeutic Target For OA
Funder
National Health and Medical Research Council
Funding Amount
$763,983.00
Summary
We have identified a critical regulator of the survival and normal metabolism of the cells in articular cartilage. Loss of this molecule is an early event in joint injury that leads to osteoarthritis (OA). The current proposal will determine the mechanisms whereby this protein functions to protect cartilage breakdown in OA, how its levels in chondrocytes are regulated in both healthy and diseased conditions, and at what stages of disease increasing its expression protects against OA progression.
Deciphering The Function Of Caspase-2 In DNA Damage Response And Tumour Suppression
Funder
National Health and Medical Research Council
Funding Amount
$808,007.00
Summary
Aberrant cell death and DNA damage response (DDR) are hallmarks of tumourigenesis. Recently we have discovered that an enzyme, caspase-2, previously implicated in cell death execution, also works in DDR and acts as a tumour suppressor. We now wish to validate these finding in preclinical models of cancer and understand precisely how caspase-2 safeguards against cancer development. These studies will help better understand tumourigenesis and may lead to the discovery of new drug targets.
Killing Infected Cells As A Mechanism To Eradicate Tuberculosis
Funder
National Health and Medical Research Council
Funding Amount
$1,085,770.00
Summary
Mycobacterium tuberculosis (Mtb), the causative agent of TB, is rapidly becoming resistant to all antibiotics and this disease kills more than one million people each year. This underscores the urgent need to develop new treatments for this disease. We are developing a therapy that kills Mtb infected cells and may help to eradicate infection. This highly novel approach to the treatment of TB would have profound implications for the 2 billion people infected with this pathogen.
Reappraisal Of The Mechanisms Underlying Implantation Success Or Failure
Funder
National Health and Medical Research Council
Funding Amount
$750,755.00
Summary
Infertility affects 1:6 Australian couples; these seek help. However, for each IVF cycle, there is only ~18.5% chance of a live birth, significantly due to failure of embryo implantation. We discovered nano-vesicles in the uterine cavity, that are released from the womb lining and taken up by the pre-implantation embryo to improve its implantation potential. We will determine how this extracellular environment can enhance implantation success and circumvent/management of infertility.
The Role Of Clathrin In The Spindle Assembly Checkpoint And As An Anti-cancer Target
Funder
National Health and Medical Research Council
Funding Amount
$651,768.00
Summary
Cell division produces two daughter cells. Incorrect localisation and modification of proteins that regulate mitosis cause errors that can lead to cancer. As well as using a unique machinery mitosis uses proteins involved in non-cell cycle pathways. This project investigates the role during mitosis of one such protein: clathrin. We will identify lead clathrin inhibitory compounds, pitstops, that have potential anti-cancer properties, ultimately to be used as a chemotherapy agent.
Interaction Between Moz And PRC1 In Defining Epigenetic States And Gene Expression Patterns
Funder
National Health and Medical Research Council
Funding Amount
$427,271.00
Summary
Regulation of gene expression is implicated in all disease processes. Aberrant gene expression is particularly associated with tumour formation. In this project we determine the relationship between an oncogene MOZ and another oncogene BMI1. Together these proteins regulate one of the most important systems controlling gene expression at the level of chromatin structure.
Autophagy And Growth Signalling In Developmentally Programmed Cell Death
Funder
National Health and Medical Research Council
Funding Amount
$594,133.00
Summary
Cell death is essential for normal development and deregulated cell death results in many diseases. We have recently discovered a potentially novel mechanism of developmental cell death that involves autophagy (a type of self-degradation). Our studies will now examine the mechanism of autophagic cell death and study how cell growth regulation is integrated in this pathway. This will provide us important knowledge into the complex role of autophagy in cancer.
Understanding The Biological Regulation Of MLKL And Its Role In Necroptotic Cell Death
Funder
National Health and Medical Research Council
Funding Amount
$656,979.00
Summary
Cell death is a normal process that permits the growth and defence of our vital tissues. One kind of cell death, necroptosis, is characterized by the swelling and bursting of cells. When cells ‘explode’ in this uncontrolled way they provoke an inflammatory response. This may be a factor behind illnesses ranging from colitis to cardiovascular disease. Understanding necroptotic cell death may pave the way for new therapies for those that suffer from these devastating conditions.