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13 desembre 2022 @ 12:00 - 14:00

Unpicking How the Tumor Microenvironment Sculpts Cancer Invasion and Therapy Failure

Speaker: Erik Sahai, Ph.D. Principal Group Leader, Assistant Research Director, Tumour Cell Biology Laboratory, The Francis Crick Institute, London, UK.

The spread of cancer from its site of origin and its ability to evolve resistance to therapy combine to make the disease highly lethal. We seek to understand these processes by using a combination of experiments, computational modelling, and analysis of clinical samples. To study the transition of cancer to invasive behaviour, we have established a reductionist model of tumour stroma boundaries. These demonstrate that stromal fibroblasts can be invasion suppressing. Although the boundary is stable, it breaks down in some places leading to the invasion of cancer cells. Intriguingly, the location of the points of invasion can be related to the spatial organization of stromal fibroblasts near, but not at, the tumour stroma boundary. To understand the development of resistant disease, we have set up a model to generate sub-clonal heterogeneity in lung tumours. This reveals a surprisingly strong influence of where subclones originate on their long-term fate. This effect is linked to cell migration dynamics and the composition of the tumour microenvironment. Altogether, our analysis enables us to conclude that intra-epithelial dynamics and stromal fibroblasts sculpt clonal dynamics and therapy resistance.

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Data:
13 desembre 2022
Hora:
12:00 - 14:00
Categoria d'Esdeveniment:
Lloc web:
https://www.irbbarcelona.org/ca/events/extraordinary-barcelona-biomed-seminar-unpicking-how-tumor-microenvironment-sculpts-cancer

Organitzador

IRB Barcelona – Institut de Recerca Biomedica
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Recinte

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