Recent advances in S-adenosyl-L-homocysteine hydrolase inhibitors and their potential clinical applications
1999
S-Adenosyl-L-homocysteine (SAH) hydrolase is a ubiquitous cellular enzyme catalysing the hydrolysis of SAH to adenosine (Ado) and homocysteine (Hcy) in vivo. Due to its central role in regulation of biological methylation reactions, SAH hydrolase has been selected as a therapeutic target for a number of medical indications including antiviral, anticancer, anti-inflammation, immunosuppression and plasma Hcy-lowering for prevention or treatment of cardiovascular diseases. The current existing SAH hydrolase inhibitors can be divided into three types based on their mechanisms of enzyme inhibition. The most extensively studied SAH hydrolase inhibitors are Type I inhibitors that inactivate the enzyme in a pseudo-irreversible fashion. With our increased understanding of the biochemical properties and mechanisms of catalysis mediated by SAH hydrolase, the general trend in inhibitor design for SAH hydrolase has been to generate more potent and more specific inhibitors of the enzyme. Some of these inhibitors have b...
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