LINK BETWEEN LEVELS OF EXTRACELLULAR VESICLES OR EVS IN THE BLOOD AND TISSUE DAMAGE CAUSED BY DISEASES Cellular couriers: Body’s ‘delivery trucks’ could lead to new cancer blood test
With
Dr Georgia Atkin-Smith, Senior Postdoctoral researcher and NHMRC Investigator Grant Research Fellow, WEHI, Melbourne, Australia
Associate Professor Edwin Hawkins, Laboratory Head, WEHI, Melbourne, Australia
CASE STUDY
Filmed in Melbourne | March 2025
A landmark study led by WEHI and La Trobe University has found a potential new diagnostic marker that could be used to better detect the level of tissue damage in our bodies.
This study revealed, for the first time, a link between levels of EVs in the blood and tissue damage caused by diseases such as leukaemia.
Researchers hope to leverage the critical new insight to develop a blood test to monitor cancer patients with tissue damage, which could, in future, enhance treatment strategies for blood cancers and other diseases.
Extracellular vesicles (EVs) are like small delivery trucks in the human body that are dispatched by our cells to distribute important materials like proteins, fats and genetic information to other cells.
This delivery system helps cells communicate with each other, especially when they are under stress or dying.
Research into how EVs form and their link to disease progression is challenging because of their small size, with most studies restricted to a ‘cells-in-a-dish’ approach.
In an unprecedented study, researchers were able to overcome this significant barrier by imaging live EVs inside the bone marrow of mice.
The study involved a significant collaboration with Professor Ivan Poon, Director of the La Trobe Research Centre for Extracellular Vesicles (RCEV) – the largest group of EV researchers in the Southern Hemisphere.
The WEHI research team is now assessing whether EVs can be used as a biomarker in acute myeloid leukemia (AML) patients. They hope to develop new tools and techniques that would allow clinicians to determine the impact of disease on healthy tissue, and assess the disease progression by analysing patient samples.
The study, published in Nature Communications Oct 2024, also involved collaborations with the University of Melbourne, The Florey, Olivia Newton-John Cancer Research Institute, Peter MacCallum Cancer Centre and Monash University.
The research was supported by the National Health and Medical Research Council, Australian Research Council, CASS Foundation, Jack Brockhoff Foundation, L’Oreal UNESCO For Women in Science, Victorian Cancer Agency, a Sir Clive McPherson Family Fellowship and a Rae Foundation grant.
Source: WEHI News
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Metabolic phenotyping, lipidomics & bioinformatics in dementia
Dr Luke Whiley is a dementia researcher whose work focuses on understanding how the body’s metabolism, particularly the biology of fats known as lipids, influences our health throughout ageing.
His research explores how the body responds to illness, lifestyle, and environmental stress at a chemical level, and how these responses shape longterm disease risk. Using advanced blood-based measurement technologies, Dr Whiley studies thousands of small molecules at once to build a snapshot of a person’s metabolic health. By combining these measurements with data science approaches, his work identifies biological pathways that become disrupted in disease, providing insight into why some people are more vulnerable to conditions such as dementia.
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Pancreatic and lung cancers driven by mutations in the cancer gene KRAS
Dr Mara Zeissig is a recently appointed Lab Head within the Tumour Inflammation and Immunotherapy Program at the South Australian immunoGENomics Cancer Institute (SAiGENCI).
Her research focuses on studying immune evasion mechanisms in lung and pancreatic cancers to identify novel ways to increase response to immunotherapy. Her expertise is in genetically engineered mouse models of lung cancer, CRISPR-Cas9 screening technologies and T cell based immunotherapies (e.g Checkpoint inhibitors). -
Health and economic burden of interstitial lung diseases
Dr Cox’s main research interests focus on respiratory diseases and primarily on the economic burden and economic evaluation of interventions and treatments for their management. She earned her PhD from the University of Tasmania where her doctoral research examined the health and economic burden of idiopathic pulmonary fibrosis (IPF) in Australia, one component of the NHMRC Centre for Research Excellence for Pulmonary Fibrosis, a national project implemented alongside the Australian IPF Registry and the Lung Foundation Australia. This research provided the first epidemiological profile and first costing estimates of the economic burden of the disease in Australia, providing essential evidence for health service reimbursement policies.
