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Curr Opin Cell Biol. 2003 Apr;15(2):136-42.

Ras pathway signaling on endomembranes.

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  • 1Departments of Medicine, Cell Biology and Pharmacology, New York University School of Medicine, 550 First Avenue, New York, NY 10016, USA.


Until recently, the plasma membrane has been considered to be a unique platform from which emanate the signaling events regulating or regulated by Ras and its close relatives. For the past few years, the role of endosomes derived from the plasma membrane as platforms for Ras/mitogen-activated protein kinase signaling has been appreciated. More recently, the cytoplasmic face of the Golgi apparatus and endoplasmic reticulum have been shown to host Ras signaling. The biological implications of compartmentalized signaling are only beginning to emerge.

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