vitamin A and metabolites signaling pathway retinol mediated signaling pathway 2012-10-11T10:06:06Z A signaling pathway mediated by a signaling complex for which retinol or vitamin A appears to be an essential docking molecule and redox sensor. The pathway may play an important role in regulating the tricarboxylic acid cycle through the pyruvate dehydrogenase complex by mechanisms that are still to be elucidated. PW:0001117 pathway vpetri