Description_x000D_ General description_x000D_ Temsirolimus is an esterified rapamycin compound, soluble in water._x000D_ Application_x000D_ Temsirolimus has been used:_x000D_ • in combination with radiation to study its effect on von Hippel Lindau (VHL) tumour suppressor gene-deficient renal carcinoma cell lines_x000D_ • to induce autophagy_x000D_ • as a mammalian target of rapamycin complex 1 (mTORC1) inhibitor to study the effect of cellular Akt-kinase on human papillomaviruses 16 (HPV16) late gene expression_x000D_ Packaging_x000D_ 5, 25 mg in glass bottle_x000D_ Biochem/physiol Actions_x000D_ Temsirolimus is a specific inhibitor of mammalian target of rapamycin (mTOR) mTOR Complex 1 (mTORC1). Temsirolimus is an antiproliferative and antiangiogenic, the first-in-class mTOR inhibitor approved for the treatment of patients with advanced poor prognosis renal cell carcinoma._x000D_ The inhibitory action of temsirolimus is mediated by FKBP-12 (FK506-binding protein 12), a major intracellular protein. It is useful in treating renal-cell carcinoma._x000D_ Features and Benefits_x000D_ This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more._x000D_ This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®Pfizer), a collection of 90 Pfizer-developed drugs and research tools. Click here to learn more._x000D_ This compound is featured on the PKB/Akt page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here._x000D_ Other Notes_x000D_ This compound was developed by Pfizer for Kinase Phosphatase Biology research. To learn more about Sigma′s partnership with Pfizer and view other authentic, high-quality Pfizer compounds, visit sigma.com/bsm-pfizer._x000D_ To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here._x000D_ Legal Information_x000D_ Sold for research purposes under agreement from Pfizer Inc._x000D_ LOPAC is a registered trademark of Sigma-Aldrich Co. LLC_x000D_ Pfizer is a registered trademark of Pfizer, Inc.