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. 2014 Jul 31;5(7):e1358. doi: 10.1038/cddis.2014.316

Figure 8.

Figure 8

(a) Levels of full-length Bid and pT59 Bid assessed by western blot assays in cancer cells in response to ALDH1L1. (b) Proposed mechanism of JNK-mediated Bid accumulation. In response to certain stimuli (ALDH1L1 folate stress enzyme in this case) the activation of JNK1/2 results in Bid phosphorylation at T59 within the caspase-8 cleavage site. This prevents cleavage of Bid to tBid and leads to the accumulation of full-length Bid. Full-length Bid translocates to mitochondria and induces apoptosis. It is proposed that the phosphorylation at T59 also allows the cleavage to jBid by yet unidentified proteases