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Heme oxygenase-1 (HO-1) is a heme-degrading enzyme anchored in the endoplasmic reticulum by a carboxyl-terminal transmembrane segment (TMS). HO-1 is highly expressed in various cancers and its nuclear localization is associated with the progression of some cancers. Nevertheless, the mechanism underlying HO-1 nuclear translocation and its pathological(More)
BACKGROUND Heme oxygenase-1 (HO-1), a heme degradation enzyme with multiple vasoprotective functions, is systemically induced in pathophysiological states associated with oxidative stress. OBJECTIVES To evaluate the impact of systemic HO-1 expression on circulating endothelial progenitor cells (EPCs) and re-endothelialization after vascular injury in an(More)
Overexpression of heme oxygenase-1 (HO-1), an endoplasmic reticulum-anchored enzyme, is observed in many cancers. HO-1 nuclear translocation has been shown to correlate with progression of several cancers. We recently reported that HO-1 is susceptible to intramembrane proteolysis and translocates to the nucleus to promote cancer growth and invasiveness(More)
The TRC8 gene, which was previously shown to be disrupted by a 3;8 chromosomal translocation in hereditary kidney cancer, encodes for an endoplasmic reticulum-resident E3 ligase. Studies have shown that TRC8 exhibits a tumor-suppressive effect through its E3-ligase activity. Therefore, the identification of its physiological substrates will provide(More)
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