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Mark Chaplain - A Mathematical Framework for Modelling the Metastatic Spread of Cancer

Patterned pufferfish scales demonstrating a Turing pattern in the natural world
Dates:5 May 2021
Times:13:00 - 14:00
What is it:Seminar
Organiser:Department of Mathematics
Who is it for:University staff, External researchers, Current University students
Speaker:Mark Chaplain
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  • Mathematics in the life sciences
  • Department of Mathematics

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  • In category "Seminar"
  • In group "(Maths) Mathematics in the life sciences "
  • In group "(Maths) Maths seminar series"
  • By Department of Mathematics

(via Zoom) Join us for this seminar by Mark Chaplain (St. Andrews) as part of the North West Seminar Series in Mathematical Biology and Data Sciences. Details of the full series can be found here https://www.cms.livjm.ac.uk/APMSeminar/

Please contact carl.whitfield@manchester.ac.uk or mirela.domijan@liverpool.ac.uk for the zoom link, or sign up to the mailing list.

Abstract: nvasion and metastasis are two of the hallmarks of cancer and are intimately connected processes. Invasion, as the name suggests, involves cancer cells spreading out from the main cancerous mass into the surrounding tissue, through production and secretion of matrix degrading enzymes. Metastatic spread is the process whereby invasive cancer cells enter nearby blood vessels (or lymph vessels), are carried around the body in the main circulatory system and then succeed in escaping from the circulatory system at distant secondary sites where the growth of the cancer starts again. It is this metastatic spread that is responsible for around 90% of deaths from cancer. To shed light on the metastatic process, we present a mathematical modelling framework that captures for the first time the interconnected processes of invasion and metastatic spread of individual cancer cells in a spatially explicit manner—a multigrid, hybrid, individual-based approach. This framework accounts for the spatiotemporal evolution of mesenchymal- and epithelial-like cancer cells, membrane-type-1 matrix metalloproteinase (MT1-MMP) and the diffusible matrix metalloproteinase-2 (MMP-2), and for their interactions with the extracellular matrix. Using computational simulations, we demonstrate that our model captures all the key steps of the invasion-metastasis cascade, i.e. invasion by both heterogeneous cancer cell clusters and by single mesenchymal-like cancer cells; intravasation of these clusters and single cells both via active mechanisms mediated by matrix-degrading enzymes (MDEs) and via passive shedding; circulation of cancer cell clusters and single cancer cells in the vasculature with the associated risk of cell death and disaggregation of clusters; extravasation of clusters and single cells; and metastatic growth at distant secondary sites in the body.

To subscribe to the mailing list for this event series, please send an e-mail with the phrase “subscribe math-lifesci-seminar” in the message body to listserv@listserv.manchester.ac.uk

Speaker

Mark Chaplain

Role: Professor

Organisation: University of St. Andrews

  • http://www.mcs.st-andrews.ac.uk/~majc/

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Carl Whitfield

carl.whitfield@manchester.ac.uk

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