Pharmacologic Inhibition of NT5C2 Reverses Genetic and Nongenetic Drivers of 6-MP Resistance in Acute Lymphoblastic Leukemia

NT5C2 的药物抑制可逆转急性淋巴细胞白血病中 6-MP 耐药性的遗传和非遗传驱动因素

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作者:Clara Reglero #, Chelsea L Dieck #, Arie Zask, Farhad Forouhar, Anouchka P Laurent, Wen-Hsuan W Lin, Robert Albero, Hannah I Miller, Cindy Ma, Julie M Gastier-Foster, Mignon L Loh, Liang Tong, Brent R Stockwell, Teresa Palomero, Adolfo A Ferrando

Significance

Relapse-associated NT5C2 mutations directly contribute to relapse in ALL by driving resistance to chemotherapy with 6-MP. Pharmacologic inhibition of NT5C2 with CRCD2, a first-in-class nucleotidase inhibitor, enhances the cytotoxic effects of 6-MP and effectively reverses thiopurine resistance mediated by genetic and nongenetic mechanisms of NT5C2 activation in ALL. This article is highlighted in the In This Issue feature, p. 2483.

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