Title : Restoration of Temozolomide Sensitivity by PARP Inhibitors in Mismatch Repair Deficient Glioblastoma is Independent of Base Excision Repair.

Pub. Date : 2020 Apr 1

PMID : 31900275






3 Functional Relationships(s)
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1 RESULTS: While having no detectable effect in MSH6 wild-type GBMs, PARPi selectively restored TMZ sensitivity in MSH6-deficient GBM cells. temozolomide mutS homolog 6 Homo sapiens
2 This genotype-specific restoration of activity translated in vivo, where combination treatment of veliparib and TMZ showed potent suppression of tumor growth of MSH6-inactivated orthotopic xenografts, compared with TMZ monotherapy. temozolomide mutS homolog 6 Homo sapiens
3 CONCLUSIONS: PARPi restoration of TMZ chemosensitivity in MSH6-inactivated glioma represents a promising strategy to overcome acquired chemoresistance caused by MMR deficiency. temozolomide mutS homolog 6 Homo sapiens