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J Neurochem. 1993 Mar;60(3):1183-6.

The protooncogene bcl-2 inhibits apoptosis in PC12 cells.

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Department of Neurology, UCLA School of Medicine 90024-1769.


During development, many neuronal populations undergo a process of normal, programmed cell death, or apoptosis. Trophic factors regulate this process, but the mechanism by which they suppress apoptosis remains unclear. In the immune system, recent studies have implicated the protooncogene bcl-2 in the lymphocyte survival response to growth factors. To determine whether a similar survival pathway exists in a neuroendocrine cell type, we have expressed bcl-2 in the rat pheochromocytoma PC12 cell line and found that it abrogates the requirement for stimulation by growth factors to survive. bcl-2 expression also substantially delays the onset of injury by the calcium ionophore A23187.

[Indexed for MEDLINE]

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