7-hydroxy Methotrexate (sodium salt) (Synonyms: 7-hydroxy MTX) |
| Catalog No.GC42608 |
7-hydroxy Methotrexate (7-hydroxy MTX) is a phase I metabolite of MTX, which is converted by hepatic aldehyde oxidases.
Products are for research use only. Not for human use. We do not sell to patients.
Sample solution is provided at 25 µL, 10mM.
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7-hydroxy Methotrexate (7-hydroxy MTX) is a phase I metabolite of MTX, which is converted by hepatic aldehyde oxidases.[1] Elimination of 7-hydroxy MTX is associated with the multi-drug transporters Abcc2, Abcc3, and Abcg2 in transgenic mouse models. It and the parent compound rapidly accumulate when all three transporters are absent.[2] Formulations containing methotrexate have been used in the treatment of cancer, autoimmune diseases, ectopic pregnancy, and for the induction of medical abortions.[3],[4] Various methods have been described to quantify 7-hydroxy MTX levels during cancer therapy to avoid toxicity.[5],[6]
Reference:
[1]. Johns, D.G., Iannotti, A.T., Sartorelli, A.C., et al. The relative toxicites of methotrexate and aminopterin. Biochem. Pharmacol. 15(5), 555-561 (1966).
[2]. Vlaming, M.L.H., van Esch, A., Pala, Z., et al. Abcc2 (Mrp2), Abcc3 (Mrp3), and Abcg2 (Bcrp1) are the main determinants for rapid elimination of methotrexate and its toxic metabolite 7-hydroxymethotrexate in vivo. Mol. Cancer. Ther. 8(12), 3350-3359 (2009).
[3]. Cutolo, M., Sulli, A., Pizzorni, C., et al. Anti-inflammatory mechanisms of methotrexate in rheumatoid arthritis. Ann. Rheum. Dis. 60(8), 729-735 (2001).
[4]. Christin-Maitre, S., Bouchard, P., and Spitz, I.M. Medical termination of pregnancy. N. Engl. J. Med. 342(13), 946-956 (2000).
[5]. Schofield, R.C., Ramanathan, L.V., Murata, K., et al. Development of an assay for methotrexate and its metabolites 7-hydroxy methotrexate and DAMPA in serum by LC-MS/MS. Methods in Molecular Biology 213-222 (2016).
[6]. Klapkova, E., Kukacka, J., Kotaska, K., et al. The influence of 7-OH methotrexate metabolite on clinical relevance of methotrexate determination. Clin. Lab. 57(7-8), 599-606 (2011).
[1]. Johns, D.G., Iannotti, A.T., Sartorelli, A.C., et al. The relative toxicites of methotrexate and aminopterin. Biochem. Pharmacol. 15(5), 555-561 (1966).
[2]. Vlaming, M.L.H., van Esch, A., Pala, Z., et al. Abcc2 (Mrp2), Abcc3 (Mrp3), and Abcg2 (Bcrp1) are the main determinants for rapid elimination of methotrexate and its toxic metabolite 7-hydroxymethotrexate in vivo. Mol. Cancer. Ther. 8(12), 3350-3359 (2009).
[3]. Cutolo, M., Sulli, A., Pizzorni, C., et al. Anti-inflammatory mechanisms of methotrexate in rheumatoid arthritis. Ann. Rheum. Dis. 60(8), 729-735 (2001).
[4]. Christin-Maitre, S., Bouchard, P., and Spitz, I.M. Medical termination of pregnancy. N. Engl. J. Med. 342(13), 946-956 (2000).
[5]. Schofield, R.C., Ramanathan, L.V., Murata, K., et al. Development of an assay for methotrexate and its metabolites 7-hydroxy methotrexate and DAMPA in serum by LC-MS/MS. Methods in Molecular Biology 213-222 (2016).
[6]. Klapkova, E., Kukacka, J., Kotaska, K., et al. The influence of 7-OH methotrexate metabolite on clinical relevance of methotrexate determination. Clin. Lab. 57(7-8), 599-606 (2011).
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