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Understanding The Mechanisms Of Cytomegalovirus Induced Immunosuppression: Relevance To Viral Immunotherapies
Funder
National Health and Medical Research Council
Funding Amount
$467,310.00
Summary
Cytomegalovirus (CMV), measles and human immunodeficiency virus (HIV) are the three main human pathogens known to induce immunosuppression. The down-regulation of immune responses that characterizes a state of immunosuppression imparts the infecting pathogens the opportunity to escape immune surveillance and thus maximizes their chances to survive within their host, to replicate and be transmitted as required. The generalized immunosuppression caused by viral infection is often associated with s ....Cytomegalovirus (CMV), measles and human immunodeficiency virus (HIV) are the three main human pathogens known to induce immunosuppression. The down-regulation of immune responses that characterizes a state of immunosuppression imparts the infecting pathogens the opportunity to escape immune surveillance and thus maximizes their chances to survive within their host, to replicate and be transmitted as required. The generalized immunosuppression caused by viral infection is often associated with secondary infections with unrelated viral and-or bacterial pathogens, and as such represents a serious clinical problem. In humans, cytomegalovirus infection can cause tissue damage in normal individuals and may cause severe disease and even mortality in individuals with immature or compromised immune systems, such as newborns, AIDS patients, transplant recipients and patients undergoing chemotherapy. The severe complications that occur in the latter group of patients result from the combined effects of pre-existing and viral induced immunosuppression that often lead to severe secondary opportunistic infections. In transplant recipients however, CMV induced immunosuppression, in the absence of secondary infections, can be beneficial and has been associated with improved transplant outcome. The central aim of the work in the current proposal is to investigate the cellular and viral mechanisms involved in cytomegalovirus induced immunosuppression. The proposed studies will improve our understanding of viral interference with host immune responses and hence will be relevant to understanding the pathogenesis of CMV infection in humans and more importantly will provide critical insights into the rational design of suitable antiviral drugs and vaccines.Read moreRead less
Regulatory Mechanisms Of Antibody Cytotoxicity For Cancer Therapy
Funder
National Health and Medical Research Council
Funding Amount
$566,087.00
Summary
Use of antibodies for cancer therapy, where a protein is made in the laboratory to recognize and act on cancer cells that have a target antigen, has emerged as an important therapeutic area in oncology. The lewis-y (Ley) antigen is found in over 70% of epithelial cancers. We have developed an antibody against Ley (hu3S193) which can target cancer cells. Our research is aimed at developing optimal cancer cell killing by our anti-Ley antibody.
Investigating Immune Regulation In The Tumour Microenvironment
Funder
National Health and Medical Research Council
Funding Amount
$288,650.00
Summary
Suppressive factors made by cells of the immune system or cancers themselves and immune regulatory T cells inhibit an effective anti-tumour response. My project aims to investigate the mechanism by which these factors and cells mediate their suppressive function. Understanding these processes in the cancer environment will allow the design of more effective cancer therapies.
The Oncogenic Function Of A Histone H3K9 Demethylase And Its Contribution To The Aggressive Malignant Phenotype Of Leukaemia
Funder
National Health and Medical Research Council
Funding Amount
$762,501.00
Summary
In contrast to the significant improvements in the treatment of acute lymphocytic leukaemia, advances in acute myeloid leukaemia (AML) therapy have been limited. The difficulty in treating AML is thought to arise from a drug-resistant subpopulation of leukaemic stem cells (LSC) that are capable of reinitiating disease after chemotherapy. This project will characterise a key regulator of LSC and provide insights into an important oncogenic process that gives rise to the aggressive and often fatal ....In contrast to the significant improvements in the treatment of acute lymphocytic leukaemia, advances in acute myeloid leukaemia (AML) therapy have been limited. The difficulty in treating AML is thought to arise from a drug-resistant subpopulation of leukaemic stem cells (LSC) that are capable of reinitiating disease after chemotherapy. This project will characterise a key regulator of LSC and provide insights into an important oncogenic process that gives rise to the aggressive and often fatal AML.Read moreRead less
The Western Australia Malignant Pleural Effusions Management Study- What Factors Can Guide Management And Do Indwelling Pleural Catheters Represent The Best Treatment Option?
Funder
National Health and Medical Research Council
Funding Amount
$74,395.00
Summary
This randomised clinical trial will determine whether indwelling tunnelled pleural catheters are the best treatment strategy for patients with malignant pleural effusions. It will also look for ways in which the speed of fluid recurrence can be predicted. It will save public money by finding the most cost effective treatment strategies.
Novel Vaccine Formulation For Immunotherapy Of Adenocarcinomas
Funder
National Health and Medical Research Council
Funding Amount
$178,400.00
Summary
We have designed a vaccine based on a unique delivery system. Mice immunised with vaccine were protected from a tumour challenge. We will now design a vacine with a cancer associated protein so that people once immunised can make killer cells. Since humans have different genetic makeup we will produce a vacine which is more effective and will benefit everyone. This vaccine will be more effective than a current vacine in that has yielded promising results in humans.