13,14-<wbr/>dihydro-<wbr/>15-<wbr/>keto Prostaglandin E<sub>2</sub> MaxSpec<sup>®</sup> Standard

13,14-dihydro-15-keto Prostaglandin E2 MaxSpec® Standard

CAT N°: 10007214
Price:

182.00 154.70

13,14-dihydro-15-keto Prostaglandin E2 (13,14-dihydro-15-keto PGE2) is a metabolite of PGE2 (Item No. 14010) and the primary PGE2 metabolite in plasma.{182,2777} It is formed from PGE2 via a 15-keto PGE2 intermediate by 15-oxo-PG ?13 reductase.{2777} Unlike PGE2, 13,14-dihydro-15-keto PGE2 does not bind effectively to the PGE2 receptors EP2 and EP4 expressed in CHO cells (Kis = 12 and 57 µM, respectively) or induce adenylate cyclase activity in the same cells (EC50s = >18 and >38 µM, respectively). Levels of 13,14-dihydro-15-keto PGE2 are increased in the plasma of women in the third trimester of pregnancy and in women during and immediately after labor and delivery.{64194} Levels of 13,14-dihydro-15-keto PGE2 are decreased in tumor tissue compared to adjacent non-cancerous tissue isolated from patients with non-small cell lung cancer (NSCLC).{64195} 13,14-dihydro-15-keto PGE2 MaxSpec® standard is a quantitative grade standard of 13,14-dihydro-15-keto PGE2 (Item No. 14650) that has been prepared specifically for mass spectrometry or any application where quantitative reproducibility is required. The solution has been prepared gravimetrically and is supplied in a deactivated glass ampule sealed under argon. The concentration was verified by comparison to an independently prepared calibration standard. This 13,14-dihydro-15-keto PGE2 MaxSpec® standard is guaranteed to meet identity, purity, stability, and concentration specifications and is provided with a batch-specific certificate of analysis. Ongoing stability testing is performed to ensure the concentration remains accurate throughout the shelf life of the product. Note: The amount of solution added to the vial is in excess of the listed amount. Therefore, it is necessary to accurately measure volumes for preparation of calibration standards. Follow recommended storage and handling conditions to maintain product quality.

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