Streptozocin

CAS No:
18883-66-4 Category:
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Product Details:

  • CAS No: 18883-66-4
  • AHFC code: 10:00.0
  • Synonyms:
  • ATC Code: L01AD04
  • Chemical Formula: C20H17FO3S
  • Molecular Weight: 265.2206
  • Assay/Purity: Typically NLT 98%
  • DrugBank: DB00428 (APRD00209)
  • SMILES: CN(N=O)C(=O)N[C,H]1[C,,H](O)O[C,H](CO)[C,,H](O)[C,,H]1O
  • InChl: ZSJLQEPLLKMAKR-GKHCUFPYSA-N
  • PubChem: 29327
  • IUPAC: 3-methyl-3-nitroso-1-[(2S,3R,4R,5S,6R)-2,4,5-trihydroxy-6-(hydroxymethyl)oxan-3-yl]urea

Additional Details

Indication:
For the treatment of malignant neoplasms of pancreas (metastatic islet cell carcinoma).
Pharmacodynamics:
Streptozocin is an antitumour antibiotic consisting of a nitrosourea moiety interposed between a methyl group and a glucosamine. Streptozocin is indicated in the treatment of metastatic islet cell carcinoma of the pancreas. Streptozocin inhibits DNA synthesis in bacterial and mammalian cells. In bacterial cells, a specific interaction with cytosine moieties leads to degradation of DNA. The biochemical mechanism leading to mammalian cell death has not been definitely established; streptozocin inhibits cell proliferation at a considerably lower level than that needed to inhibit precursor incorporation into DNA or to inhibit several of the enzymes involved in DNA synthesis. Although streptozocin inhibits the progression of cells into mitosis, no specific phase of the cell cycle is particularly sensitive to its lethal effects.
Mode of Action:
Although its mechanism of action is not completely clear, streptozocin is known to inhibit DNA synthesis, interfere with biochemical reactions of NAD and NADH, and inhibit some enzymes involved in gluconeogenesis. Its activity appears to occur as a result of formation of methylcarbonium ions, which alkylate or bind with many intracellular molecular structures including nucleic acids. Its cytotoxic action is probably due to cross-linking of strands of DNA, resulting in inhibition of DNA synthesis.
Metabolism:
Primarily hepatic
Toxicity:
Symptoms of overdose include nausea and vomiting, anorexia, myelosuppression; and nephrotoxicity.
General Reference:
Link Brentjens R, Saltz L: Islet cell tumors of the pancreas: the medical oncologistês perspective. Surg Clin North Am. 2001 Jun;81(3):527-42. Pubmed Wang Z, Gleichmann H: GLUT2 in pancreatic islets: crucial target molecule in diabetes induced with multiple low doses of streptozotocin in mice. Diabetes. 1998 Jan;47(1):50-6. Pubmed Schnedl WJ, Ferber S, Johnson JH, Newgard CB: STZ transport and cytotoxicity. Specific enhancement in GLUT2-expressing cells. Diabetes. 1994 Nov;43(11):1326-33. Pubmed VAVRA JJ, DEBOER C, DIETZ A, HANKA LJ, SOKOLSKI WT: Streptozotocin, a new antibacterial antibiotic. Antibiot Annu. 1959-1960;7:230-5. Pubmed Mansford KR, Opie L: Comparison of metabolic abnormalities in diabetes mellitus induced by streptozotocin or by alloxan. Lancet. 1968 Mar 30;1(7544):670-1. Pubmed
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