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Vasopressin receptor antagonists and agonists target the receptors for the hormone arginine vasopressin. The V1a receptor mediates vascular contraction, the V1b receptor controls pituitary corticotropin release, and the V2 receptor regulates water reabsorption in the kidney. Cloning of the rat V1a receptor and of the V2 receptor was reported in 1992, and V2 receptor defects were linked to nephrogenic diabetes insipidus. Tolvaptan and mozavaptan are nonpeptide V2 receptor antagonists, while conivaptan hydrochloride blocks both V1a and V2 receptors. OPC21268 is a V1 antagonist, and Vasopressin antagonist 1867 targets the V1b receptor. Peptide agonists such as desmopressin and terlipressin serve as tools for receptor activation studies.
Khusimol is a vasopressin receptor ligand that plays a significant role in modulating cellular signaling pathways. It exhibits biological activities that may enhance the treatment of oral squamous cell carcinoma. This compound is primarily utilized in cancer research to explore its therapeutic potential and to better understand its mechanism of action in tumor biology.
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