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Image of the Day: Keep in Touch
Image of the Day: Keep in Touch

Image of the Day: Keep in Touch

A protein called talin helps maintain cells’ adhesion properties.

kerry grens
Kerry Grens

Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at...

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ABOVE: Chinese hamster ovary cells engineered to produce mutant talin protein
COURTESY IZARD LABORATORY, SCRIPPS RESEARCH

Researchers have picked apart what makes cells stick to their surroundings. In experiments using cell lines, they find that the protein talin, part of the cytoskeleton, must attach to the cell membrane to activate another protein, integrin. Integrin, in turn, plays a part in an array of cellular activities, including cell migration and focal adhesion, in which cells stick to the extracellular matrix.

K. Chinthalapudi et al., “The interaction of talin with the cell membrane is essential for integrin activation and focal adhesion formation,” PNAS, doi:10.1073/pnas.1806275115, 2018.

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