The enzyme 3-hydroxy-3-methyl-glutaryl-CoA reductase (3-hydroxy-3-methylglutaryl-coenzyme A, HMG-CoA, HMGCR) catalyzes the conversion of HMG-CoA to mevalonate, an early and rate-limiting step in cholesterol biosynthesis. The HMG-CoA reductase inhibitors, also known as statins, are the most effective class of drugs for lowering serum low-density lipoprotein cholesterol concentrations.
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Atrial fibrillation is the most common sustained cardiac rhythm disorder, and confers a substantial mortality and morbidity from stroke, thromboembolism, heart failure, and impaired quality of life. With the increasingly elderly population in the developed world, the prevalence of atrial fibrillation is increasing, resulting in a major public-health problem.
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11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1, cortisone reductase, HSD11B1, 11beta-hydroxysteroid dehydrogenase type 1,11beta-HSD1) is an enzyme that is involved in glucocorticoid regulation by catalyzing the conversion of inactive cortisone to its active form cortisol. These hormones regulate several physiological processes, and modulation of glucocorticoid action has been implicated as a potential treatment for a variety of diseases.
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It is generally acknowledged that histamine is an important regulator of a plethora of (patho) physiological conditions and exerts its actions through the interaction with four histamine receptor subtypes. All these receptors belong to the family of heptahelical GPCR's and are considered as a promising molecular targets for drug development.
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CREB Binding Protein (CREBBP) is a coactivator of transcription factor CREB that activates genes in cAMP transcriptional pathway. The coactivator binds to transcription factor activation domains positions histone acetyltransferases near specific nucleosomes in target gene promoter regions, recognizing the acetylated lysine residue.
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