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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

TRPA1 is a substrate for de-ubiquitination by the tumor suppressor CYLD.

Certain TRP cation channels confer the ability to sense environmental stimuli (heat, cold, pressure, osmolarity) across physiological and pathophysiological ranges. TRPA1 is a TRP-related channel that responds to cold temperatures, and pungent compounds that include the cold-mimetic icilin and cannabinoids. The initial report of TRPA1 as a transformation-associated gene product in lung epithelia is at odds with subsequent descriptions of a tissue distribution for TRPA1 that is restricted to sensory neurons. Here, we report that the human TRPA1 protein is widely expressed outside the CNS, and is indeed dys-regulated during oncogenic transformation. We describe that TRPA1 associates with the tumor-suppressor protein CYLD. TRPA1 is a novel substrate for the de- ubiquitinating activity of CYLD, and this de-ubiquitination has the net effect of increasing the cellular pool of TRPA1 proteins. Oncogenic mutations in the CYLD gene may therefore be predicted to alter cellular levels of TRPA1.[1]


  1. TRPA1 is a substrate for de-ubiquitination by the tumor suppressor CYLD. Stokes, A., Wakano, C., Koblan-Huberson, M., Adra, C.N., Fleig, A., Turner, H. Cell. Signal. (2006) [Pubmed]
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