Molecular Weight(MW): 304.34
YC-1 is an nitric oxide (NO)-independent activator of soluble guanylyl cyclase(sGC) and an inhibitor of Hypoxia-inducible factor-1alpha (HIF-1alpha).
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|Description||YC-1 is an nitric oxide (NO)-independent activator of soluble guanylyl cyclase(sGC) and an inhibitor of Hypoxia-inducible factor-1alpha (HIF-1alpha).|
YC-1 is an allosteric activator of soluble guanylyl cyclase (sGC). YC-1 increases the catalytic rate of the enzyme and sensitizes the enzyme toward its gaseous activators nitric oxide or carbon monoxide. YC-1 alone activates the enzyme only 10-fold, but it potentiates the CO- and NO-dependent activation of sGC, resulting in stimulation of the highly purified enzyme that may be several hundred- to several thousand-fold . It inhibits platelet aggregation and vascular contraction and also inhibits HIF-1 activity in vitro. YC-1 completely blocks HIF-1α expression at the post-transcriptional level and consequently inhibits the transcription factor activity of HIF-1 in hepatoma cells cultured under hypoxic conditions, suggesting that these effects of YC-1 are likely to be linked with the oxygen-sensing pathway and not with the activation of soluble guanylyl cyclase.
|In vivo||The administration of YC-1 to experimental animals results in the inhibition of the platelet-rich thrombosis and a decrease of the mean arterial pressure, which correlates with increased cGMP levels . YC-1 effectively inhibits tumor growth in tumor-bearing mice. The inhibition of HIF-1 activity in tumors from YC-1-treated mice is associated with blocked angiogenesis and an inhibition of tumor growth, while the anti-platelet aggregation effect of YC-1 does not appear to affect tumor growt.|
|In vitro||DMSO||60 mg/mL (197.14 mM)|
|Ethanol||60 mg/mL (197.14 mM)|
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