SHP2 inhibition overcomes RTK-mediated pathway reactivation in KRAS-mutant tumors treated with MEK inhibitors

H Lu, C Liu, R Velazquez, H Wang, LM Dunkl… - Molecular cancer …, 2019 - AACR
… Taken together, we speculate that the pathway reactivation in KRAS-mutant cell lines may
be broadly and dominantly mediated by SHP2 though they may exhibit differential sensitivity …

Escaping KRAS: gaining autonomy and resistance to KRAS inhibition in KRAS mutant cancers

Y Adachi, R Kimura, K Hirade, H Ebi - Cancers, 2021 - mdpi.com
… These studies overall suggest the reactivation of MAPK signaling and/or mutant KRAS-independent
activation of the PI3K pathway as common modalities to bypass KRAS G12C …

Combined MEK and ERK inhibition overcomes therapy-mediated pathway reactivation in RAS mutant tumors

M Merchant, J Moffat, G Schaefer, J Chan, X Wang… - PloS one, 2017 - journals.plos.org
… in RAS mutant models but only additive in BRAF mutant models … We discovered that pathway
reactivation in RAS mutant models … in KRAS mutant setting demonstrates clear pathway

Direct Targeting KRAS Mutation in Non-Small Cell Lung Cancer: Focus on Resistance

D Reita, L Pabst, E Pencreach, E Guérin, L Dano… - Cancers, 2022 - mdpi.com
… The KRAS mutations favor the active form with inhibition of GTPAse activity. KRAS mutations
are … mechanism to reactivate RAS signaling if one of the two KRAS pathway is blocked. If …

… Acquired Resistance to KRASG12C Inhibition through a Novel KRAS Switch-II Pocket Mutation and Polyclonal Alterations Converging on RAS–MAPK Reactivation

N Tanaka, JJ Lin, C Li, MB Ryan, J Zhang… - Cancer discovery, 2021 - AACR
reactivation of ERK-dependent signaling to bypass KRAS … identified adaptive RAS pathway
feedback reactivation as a … G12C mutation and conversion to a different KRAS mutation

Trametinib after disease reactivation under dabrafenib in Erdheim-Chester disease with both BRAF and KRAS mutations

TM Nordmann, FD Juengling, M Recher… - Blood, The Journal …, 2017 - ashpublications.org
reactivated despite dabrafenib treatment, we reevaluated the possibility of other activating
somatic mutations within the MAPK pathway … 8,9 activating KRAS mutation (KRAS Q61H ), but …

KRAS mutation: from undruggable to druggable in cancer

L Huang, Z Guo, F Wang, L Fu - Signal transduction and targeted …, 2021 - nature.com
… Unlike most PTPs, numerous studies indicate that SHP2 functions in the activation of
intracellular signalling pathways, particularly the KRAS/ERK pathway 34 . SHP2 is a common …

Targeting the MAPK pathway in KRAS-driven tumors

M Drosten, M Barbacid - Cancer cell, 2020 - cell.com
KRAS mutations occur in a quarter of all of human cancers, … that block KRAS G12C , the
majority of KRAS oncoproteins … (MAPK) pathway as targets to treat KRAS-mutant cancers by …

… kinase-dependent PI3K activation is an escape mechanism to vertical suppression of the EGFR/RAS/MAPK pathway in KRAS-mutated human colorectal cancer cell …

PP Vitiello, C Cardone, G Martini, D Ciardiello… - Journal of Experimental …, 2019 - Springer
… alone is not capable to suppress MAPK pathway in RAS-mutated cancers and that co-targeting
of upstream receptors might be a way to avoid pathway reactivation [26]. Two seminal …

ERK2-dependent reactivation of Akt mediates the limited response of tumor cells with constitutive K-RAS activity to PI3K inhibition

M Toulany, M Minjgee, M Saki, M Holler… - Cancer biology & …, 2014 - Taylor & Francis
K-RAS mutation or K-RASwt overexpression results from the activation of the EGFR-independent
PI3K-Akt pathway… to the K-RAS-mediated and ERK2-dependent reactivation of Akt and …