White blood cells called cytotoxic T lymphocytes (CTLs) dig tunnels in tissues, potentially allowing other CTLs to quickly reach infected cells and tumor cells, researchers report December 1st in Biophysical Journal. The results show that some CTLs move slowly as they create channels through the extracellular matrix (ECM) – a major component of tissues. Afterward, other CTLs move quickly through the channels, presumably to efficiently search for and eliminate target cells.
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Source: Phys.org