Bioactivity | Pralatrexate is an antifolate and is a potent dihydrofolate reductasean (DHFR) inhibitor with a Ki of 13.4 pM. Pralatrexate is a substrate for folylpolyglutamate synthetase with improved cellular uptake and retention. Pralatrexate has antitumor activities and has the potential for relapsed/refractory T-cell lymphoma treatment[1][2][3][4]. | ||||||||||||
Invitro | Pralatrexate (100 pM-200 µM; 48-72 hours; T-lymphoma cell lines) treatment exhibits concentration- and time-dependent cytotoxicity against a broad panel of T-lymphoma cell lines. The IC50 values at 48 and 72 hours, respectively, are as follows: H9 cells, 1.1 nM and 2.5 nM; P12 cells, 1.7 nM and 2.4 nM; CEM cells, 3.2 nM and 4.2 nM; PF-382 cells, 5.5 nM and 2.7 nM; KOPT-K1 cells, 1 nM and 1.7 nM; DND-41 cells, 97.4 nM and 1.2 nM; and HPB-ALL cells, 247.8 nM and 0.77 nM. HH cells are relatively resistant after 48 hours of exposure, with the IC50 at 72 hours being 2.8 nM[1].Pralatrexate (2-5.5 nM; 48-72 hours; H9, HH, P12 and PF382 cells) treatment induces potent apoptosis, and caspase-8 and caspase-9 activation[1].Pralatrexate (3 nM; 16-48 hours; H9 and P12 cells) treatment clearly increases p27 levels and increases the accumulation of educed folate carrier type 1 (RFC-1) in cells[1]. Cell Cytotoxicity Assay[1] Cell Line: | ||||||||||||
Name | Pralatrexate | ||||||||||||
CAS | 146464-95-1 | ||||||||||||
Formula | C23H23N7O5 | ||||||||||||
Molar Mass | 477.47 | ||||||||||||
Transport | Room temperature in continental US; may vary elsewhere. | ||||||||||||
Storage |
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