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SHP2 Inhibition Benefits Epidermal Growth Factor Receptor-mutated Non-Small Cell Lung Cancer Therapy

Author(s):

Leiming Xia, Lu Wen and Siying Wang*   Pages 1 - 8 ( 8 )

Abstract:


EGFR-TKIs are facing a big challenge of everlasting activated EGFR mutations which lack of effective binding sites, this barrier confers the dark sides that largely limited the outcome of NSCLC patients in clinic. Combination strategies show impressive anti-tumor efficacy comparing with EGFR-TKI mono-treatment, especially targeting both stem cells and non-stem cells. SHP2 (Src homology 2-containing phosphotyrosine phosphatase 2) plays an important role in regulating various malignant biology through hyper-activating intracellular pathways due to either over expression or catalytical mutation. Some pathways that SHP2 involved in were overlaps with EGFR downstream, and others were not subject to EGFR. Interestingly, SHP2 suppression was reported that can destroy the stemness of cancer. Therefore, we hypothesize SHP2 inhibitor might be an promising drug that could synergistically enhance or sensitize the anti-tumor efficacy of EGFR-TKIs in EGFR mutated NSCLC patients. Here, we summarized the mechanisms of SHP2 in regulating EGFR mutated NSCLC patients, attempted to reveal the potential synergistic effects of SHP2 inhibitor combined with EGFR-TKIs.

Keywords:

EGFR-TKIs, Mutation, SHP2, drug resistence, inhibition, NSCLC

Affiliation:

Department of Hematology, The fourth affiliated hospital of Anhui Medical University, Hefei, Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Basic College of Medicine, Anhui Medical University, Hefei



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