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CELL CYCLE

Defining cancer growth beyond the mitotic index

Tumour growth involves anomalies in cell cycle genes and emergent phenotypes, but the tumour proliferation rate (or mitotic index) is defined by just one marker, Ki-67. A study now integrates expression patterns of several markers to generate spatio-temporal maps of cell proliferation in cancer tissues.

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Fig. 1: Development of a multivariate proliferation metric, and spatio-temporal mapping of cell proliferation landscape in tumour samples.

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Correspondence to Arul M. Chinnaiyan.

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Kumar-Sinha, C., Chinnaiyan, A.M. Defining cancer growth beyond the mitotic index. Nat Cell Biol 24, 285–287 (2022). https://doi.org/10.1038/s41556-022-00862-7

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