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The Role Of Phospholipase D (Pld) And Grb2 In Chemotaxis, Katie J. Knapek
The Role Of Phospholipase D (Pld) And Grb2 In Chemotaxis, Katie J. Knapek
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Phospholipase D (PLD) is an enzyme that hydrolyzes phosphatidylcholine yielding choline and phosphatidic acid. PLD is activated by mitogens (lead to cell division) and motogens (leading to cell migration). PLD is known to contribute to cellular proliferation and deregulated expression of PLD has been implicated in several human cancers. PLD has been found to play a role in leukocyte chemotaxis and adhesion as studied through the formation of chemokine gradients. We have established a model of cell migration comprising three cell lines: macrophages RAW 264.7 and LR-5 (for innate defense), and fibroblast COS-7 cells (for wound healing). COS-7 cells respond …