At any given moment, millions of cells are on the move in the human body, typically on their way to aid in immune response, make repairs, or provide some other benefit to the structures around them. When the migration process goes wrong, however, the results can include tumor formation and metastatic cancer.
Migrating cells in a nematode are identified and stained green in the top image. Looking closer, the glowing cell is extracted for analysis using a glass pipette.
[Credit: Caltech / Mihoko Kato]
Little has been known about how cell migration actually works, but now, with the help of some tiny worms, researchers at the California Institute of Technology (Caltech) have gained new insight into this highly complex task.The team's findings are outlined this week online in the early edition of the Proceedings of the National Academy of Sciences (PNAS).
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