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Vasopressin

CAS No:
11000-17-2 Category:
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Product Details:

  • CAS No: 11000-17-2
  • AHFC code: 08:28.0
  • Synonyms: 3-Isoleucyl vasopressin Arginine oxytocin Arginine vasotocin Argiprestocin Pitressin tannate Vasopressin, isoleucyl Vasopressin, non-mammalian Vasotocin
  • ATC Code: H01BA01
  • Chemical Formula: C17H27NO2
  • Molecular Weight: 1050.215
  • Assay/Purity: Typically NLT 98%
  • DrugBank: DB00067 (BIOD00110, BTD00110)
  • SMILES:
  • InChl:
  • PubChem:
  • IUPAC:

Additional Details

Indication:
For the treatment of enuresis, polyuria, diabetes insipidus, polydipsia and oesophageal varices with bleeding
Pharmacodynamics:
Vasopressin is an antidiuretic hormone indicated for the prevention and treatment of postoperative abdominal distention, in abdominal roentgenography to dispel interfering gas shadows, and in diabetes insipidus. Vasopressin can cause contraction of smooth muscle of the gastrointestinal tract and of all parts of the vascular bed, especially the capillaries, small arterioles and venules. It has less effect on the smooth musculature of the large veins. Vasopressin may also be used to control bleeding in some forms of von Willebrand disease and to treat extreme cases of bed wetting in children. It may also play a role in memory formation although the mechanism is unknown.
Mode of Action:
Vasopressin acts on three different receptors, vasopressin receptor V1a (which initiates vasoconstriction, liver gluconeogenesis, platelet aggregation and release of factor VIII), vasopressin receptor V1b (which mediates corticotrophin secretion from the pituitary) and vasopressin receptor V2 which controls free water reabsorption in the renal medullar. The binding of vasopressin to the V2 receptor activates adenylate cyclase which causes the release of aquaporin 2 channels into the cells lining the renal medullar duct. This allows water to be reabsorbed down an osmotic gradient so the urine is more concentrated.
Metabolism:
The majority of a dose of vasopressin is metabolized and rapidly destroyed in the liver and kidneys.
Toxicity:
General Reference:
Bielsky IF, Hu SB, Szegda KL, Westphal H, Young LJ: Profound impairment in social recognition and reduction in anxiety-like behavior in vasopressin V1a receptor knockout mice. Neuropsychopharmacology. 2004 Mar;29(3):483-93. Pubmed Wersinger SR, Caldwell HK, Martinez L, Gold P, Hu SB, Young WS 3rd: Vasopressin 1a receptor knockout mice have a subtle olfactory deficit but normal aggression. Genes Brain Behav. 2007 Aug;6(6):540-51. Epub 2006 Nov 3. Pubmed Lolait SJ, Stewart LQ, Jessop DS, Young WS 3rd, OêCarroll AM: The hypothalamic-pituitary-adrenal axis response to stress in mice lacking functional vasopressin V1b receptors. Endocrinology. 2007 Feb;148(2):849-56. Epub 2006 Nov 22. Pubmed Wersinger SR, Kelliher KR, Zufall F, Lolait SJ, OêCarroll AM, Young WS 3rd: Social motivation is reduced in vasopressin 1b receptor null mice despite normal performance in an olfactory discrimination task. Horm Behav. 2004 Dec;46(5):638-45. Pubmed Kanwar S, Woodman RC, Poon MC, Murohara T, Lefer AM, Davenpeck KL, Kubes P: Desmopressin induces endothelial P-selectin expression and leukocyte rolling in postcapillary venules. Blood. 1995 Oct 1;86(7):2760-6. Pubmed
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