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Temsirolimus

  • # LGM Pharma is a Temsirolimus CAS# 162635-04-3 API supplier distributor based in the USA. Inquire about DMF, cGMP, price, availability, samples, sourcing, purity and more.
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  • # LGM Pharma offers this active ingredient but not the finished dosage forms.
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Product Details:

  • Product Name: Temsirolimus
  • CAS #: 162635-04-3
  • Mode of Action:

    Temsirolimus is a specific inhibitor of mTOR and interferes with the synthesis of proteins that regulate proliferation, growth, and survival of tumor cells. Treatment with temsirolimus leads to cell cycle arrest in the G1 phase, and also inhibits tumor angiogenesis by reducing synthesis of VEGF. mTOR is a kinase enzyme inside the cell that collects and interprets the numerous and varied growth and survival signals received by tumor cells. When the kinase activity of mTOR is activated, its downstream effectors, the synthesis of cell cycle proteins such as cyclin D and hypoxia-inducible factor-1a are increased. HIF-1a then stimulates VEGF. Whether or not mTOR kinase is activated, determines whether the tumor cell produces key proteins needed for proliferation, growth, survival, and angiogenesis. mTOR is activated in tumor cells by various mechanisms including growth factor surface receptor tyrosine kinases, oncogenes, and loss of tumor suppressor genes. These activating factors are known to be important for malignant transformation and progression. mTOR is particularly important in the biology of renal cancer (RCC) owing to its function in regulating HIF-1a levels. Mutation or loss of the von Hippel Lindau tumor-suppressor gene is common in RCC and is manifested by reduced degradation of HIF-1a. In RCC tumors, activated mTOR further exacerbates accumulation of HIF-1a by increasing synthesis of this transcription factor and its angiogenic target gene products.

  • ATC: L01XE09
  • PubChem: 6918289
  • Formula: C56H87N1O16
  • Molecular Mass: 1030.28
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