Supplementary Figure 3 from Dual Inhibitors of KRASG12D and HSP90 Are Effective against KRASG12D Inhibitor Resistance

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Authors: Inés Pulido, Laura C. Gunder, Chenghao Ying, Yaya Wang, Yan Dai, Zimo Yang, Alireza Rahnama, Jinhua Li, Yuetong Sun, Chuhe Liu, Haoxin Zhou, Guoqiang Wang
+7 more Kevin P. Foley, Khaled Abdelhady, Malek G. Massad, Thomas L. Prince, Ian Papautsky, Weiwen Ying, Takeshi Shimamura
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Abstract

Supplementary Figure S3 shows that dual inhibitors simultaneously target KRAS G12D and HSP90. Specifically, it demonstrates (A) that DI-1 markedly reduces pERK, pAKT, and total AKT levels in G12D-mutated cell lines; (B) that DI-1 decreases GTP-bound active KRAS and total RAS levels; and (C) that DI-1 more effectively inhibits PANC-1 cell proliferation compared to MRTX1133, onalespib, or their combination.

Fields of Study & Subjects

Protein Kinase Regulation and GTPase Signaling Melanoma and MAPK Pathways Protein Tyrosine Phosphatases

Publication details

Publication date
4 February 2026