Product Name

Sirolimus

CAS Number

53123-88-9

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Product Name:
Sirolimus
CAS Number:
53123-88-9
Indication:
For the prophylaxis of organ rejection in patients receiving renal transplants.
Mode of Action:

Sirolimus inhibits T lymphocyte activation and proliferation that occurs in response to antigenic and cytokine (Interleukin IL-2, IL-4, and IL-15) stimulation by a mechanism that is distinct from that of other immunosuppressants. Sirolimus also inhibits antibody production. In cells, sirolimus binds to the immunophilin, FK Binding Protein-12 (FKBP-12), to generate an immunosuppressive complex. The sirolimus:FKBP-12 complex has no effect on calcineurin activity. This complex binds to and inhibits the activation of the mammalian Target Of Rapamycin (mTOR), a key regulatory kinase. This inhibition suppresses cytokine-driven T-cell proliferation, inhibiting the progression from the G1 to the S phase of the cell cycle.

Pharmacodynamics:

Sirolimus, a macrocyclic lactone produced by Streptomyces hygroscopicus, is an immunosuppressive agent indicated for the prophylaxis of organ rejection in patients receiving renal transplants. It is recommended that sirolimus be used in a regimen with cyclosporine and corticosteroids.

ATC:
L04AA10
PubChem:
5284616
DrugBank:
DB00877 (APRD00178, DB02439)
Formula:
C24H32O4S
Molecular Mass:
914.1719
Synonyms:
(-)-Rapamycin Rapamycin
SMILES:
[H][C@@]1(C[C@H](C)[C@]2([H])CC(=O)[C@H](C)C=C(C)[C@@H](O)[C@@H](OC)C(=O)[C@H](C)C[C@H](C)C=CC=CC=C(C)[C@H](C[C@]3([H])CC[C@@H](C)[C@@](O)(O3)C(=O)C(=O)N3CCCC[C@@]3([H])C(=O)O2)OC)CC[C@@H](O)[C@@H](C1)OC
AHFS Code:
32:00.0
InChi:
QFJCIRLUMZQUOT-KLHQEZAJSA-N
General Reference:
General Reference:

1. Pritchard DI: Sourcing a chemical succession for cyclosporin from parasites and human pathogens. Drug Discov Today. 2005 May 15;10(10):688-91. [PubMed:15896681]
2. Shuchman M: Trading restenosis for thrombosis? New questions about drug-eluting stents. N Engl J Med. 2006 Nov 9;355(19):1949-52. [PubMed:17093244]
3. Sun SY, Rosenberg LM, Wang X, Zhou Z, Yue P, Fu H, Khuri FR: Activation of Akt and eIF4E survival pathways by rapamycin-mediated mammalian target of rapamycin inhibition. Cancer Res. 2005 Aug 15;65(16):7052-8. [PubMed:16103051]
4. Chan S: Targeting the mammalian target of rapamycin (mTOR): a new approach to treating cancer. Br J Cancer. 2004 Oct 18;91(8):1420-4. [PubMed:15365568]
5. Graziani EI: Recent advances in the chemistry, biosynthesis and pharmacology of rapamycin analogs. Nat Prod Rep. 2009 May;26(5):602-9. doi: 10.1039/b804602f. Epub 2009 Mar 5. [PubMed:19387497]

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