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Article

Resistance Mechanisms to Methotrexate in Tumors

1 Jan 1996

Abstract excerpt

The mechanisms of intrinsic and acquired resistance to methotrexate (MTX) in human tumors are reviewed herein. In blasts from patients with acute lymphocytic leukemia, resistance mechanisms found are decreased uptake and increased dihydrofolate reductase (DHFR) activity. A major cause of intrinsic resistance to MTX in soft tissue sarcoma cells and in acute myelocytic leukemia appears to be a lack of drug...

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Identifiers

PMID: 10387992
DOI: 10.1002/stem.140005

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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