Cancer Weekly
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Biochemistry
Studies from McGill University provide new data on biochemistry
May 6th, 2008
"Inactivation of the von Hippel-Lindau (VHL) tumor suppressor gene predisposes to vascular tumor formation in several organs. VHL regulates two evolutionary conserved pathways: the targeting of hydroxylated hypoxia-inducible factor-alpha (HIF-alpha) for proteasomal degradation and the remodeling of extracellular matrix (ECM)," investigators in Montreal, Canada report. "The biochemical mechanisms of the ECM assembly pathway remain poorly defined. Here, we provide evidence supporting a biochemical role for VHL in ECM assembly. We show that VHL directly binds to the collagen IV alpha 2 (COL4A2) chain and that this interaction is necessary for its assembly into the ECM. The...
Source: Cancer Weekly (2008-05-06)
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