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Bone Marrow technology set to improve Anti-Cancer Therapies
Jan 11 2023
The first bone marrow ‘organoids’ displaying key features of human bone marrow and offering potential for multiple anti-cancer drug screening and development of personalised treatments, have been created by research teams from Oxford University and the University of Birmingham.
Subject to patent application filed by University of Birmingham Enterprise, the research also showed that the organoids provide a micro-environment that can accept and support the survival of cells from patients with blood malignancies, including multiple myeloma cells, which are notoriously difficult to maintain outside the human body.
Dr Abdullah Khan, a Sir Henry Wellcome Fellow at the University of Birmingham’s Institute of Cardiovascular Science and first author of the study, said “Remarkably, we found that the cells in their bone marrow organoids resemble real bone marrow cells not just in terms of their activity and function, but also in their architectural relationships - the cell types ‘self-organise’ and arrange themselves within the organoids just like they do in human bone marrow in the body.”
This life-like architecture enabled the team to study how the cells in the bone marrow interact to support normal blood cell production and how this is disturbed in bone marrow fibrosis (myelofibrosis), where scar tissue builds up in the bone marrow, causing bone marrow failure. Bone marrow fibrosis can develop in patients with certain types of blood cancers and remains incurable.
Senior study author Professor Bethan Psaila, a haematology medical doctor as well as a research Group Leader at the Radcliffe Department of Medicine, University of Oxford, said “To properly understand how and why blood cancers develop, we need to use experimental systems that closely resemble how real human bone marrow works, which we haven’t really had before. It’s really exciting to now have this terrific system, as finally, we are able to study cancer directly using cells from our patients, rather than relying on animal models or other simpler systems that do not properly show us how the cancer is developing in the bone marrow in actual patients.”
Dr Khan continued: “This is a huge step forward, enabling insights into the growth patterns of cancer cells and potentially a more personalised approach to treatment. We now have a platform that we can use to test drugs on a ‘personalised medicine’ basis. “Having developed and validated the model is the first crucial step; in our ongoing collaborative work we will be working with others to better understand how the bone marrow works in healthy people, and what goes wrong when they have blood diseases.”
Dr Psaila added “We hope that this new technique will help accelerate the discovery and testing of new blood cancer treatments, getting improved drugs for our patients to clinical trials faster.”
A study, published in the journal Cancer Discovery, describes the new method, which results in an organoid that faithfully models the cellular, molecular and architectural features of myelopoietic (blood cell producing) bone marrow.
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