NRAS Status Determines Sensitivity to SHP2 Inhibitor Combination Therapies Targeting the RAS–MAPK Pathway in Neuroblastoma

I Valencia-Sama, Y Ladumor, L Kee, T Adderley… - Cancer Research, 2020 - AACR
Survival for high-risk neuroblastoma remains poor and treatment for relapsed disease rarely
leads to long-term cures. Large sequencing studies of neuroblastoma tumors from diagnosis …

[HTML][HTML] High-risk neuroblastoma with NF1 loss of function is targetable using SHP2 inhibition

J Cai, S Jacob, R Kurupi, KM Dalton, C Coon… - Cell reports, 2022 - cell.com
Reoccurring/high-risk neuroblastoma (NB) tumors have the enrichment of non-RAS/RAF
mutations along the mitogen-activated protein kinase (MAPK) signaling pathway, suggesting …

[HTML][HTML] Targeting the mTOR complex by everolimus in NRAS mutant neuroblastoma

MK Kiessling, A Curioni-Fontecedro, P Samaras… - PloS one, 2016 - journals.plos.org
High-risk neuroblastoma remains lethal in about 50% of patients despite multimodal
treatment. Recent attempts to identify molecular targets for specific therapies have shown …

[HTML][HTML] Mutant NRASQ61 shares signaling similarities across various cancer types–potential implications for future therapies

I Vujic, C Posch, M Sanlorenzo, AJ Yen, A Tsumura… - Oncotarget, 2014 - ncbi.nlm.nih.gov
Oncogenic mutations in the Neuroblastoma Rat Sarcoma oncogene (NRAS) are frequent in
melanoma, but are also found in several other cancer types, such as lung cancer …

Combined inhibition of SHP2 and MEK is effective in models of NF1-deficient malignant peripheral nerve sheath tumors

J Wang, K Pollard, AN Allen, T Tomar, D Pijnenburg… - Cancer research, 2020 - AACR
Loss of the RAS GTPase-activating protein (RAS-GAP) NF1 drives aberrant activation of
RAS/MEK/ERK signaling and other effector pathways in the majority of malignant peripheral …

Mutant KRAS-driven cancers depend on PTPN11/SHP2 phosphatase

DA Ruess, GJ Heynen, KJ Ciecielski, J Ai… - Nature medicine, 2018 - nature.com
The ubiquitously expressed non-receptor protein tyrosine phosphatase SHP2, encoded by
PTPN11, is involved in signal transduction downstream of multiple growth factor, cytokine …

Intermittent dosing of RMC-4630, a potent, selective inhibitor of SHP2, combined with the MEK inhibitor cobimetinib, in a phase 1b/2 clinical trial for advanced solid …

J Bendell, S Ulahannan, M Koczywas… - European Journal of …, 2020 - ejcancer.com
Background: Single agent MEK inhibition has been disappointing in clinical trials of RAS
mutant tumors, probably due to the induction of resistance through upstream activation of …

[HTML][HTML] Critical role for GAB2 in neuroblastoma pathogenesis through the promotion of SHP2/MYCN cooperation

X Zhang, Z Dong, C Zhang, CY Ung, S He, T Tao… - Cell reports, 2017 - cell.com
Growing evidence suggests a major role for Src-homology-2-domain-containing
phosphatase 2 (SHP2/PTPN11) in MYCN-driven high-risk neuroblastoma, although biologic …

MEK inhibitors as a novel therapy for neuroblastoma: Their in vitro effects and predicting their efficacy

T Tanaka, M Higashi, K Kimura, J Wakao… - Journal of pediatric …, 2016 - Elsevier
Background A recent study reported that relapsed neuroblastomas had frequent RAS–ERK
pathway mutations. We herein investigated the effects and pathways of MEK inhibitors …

Identification of GDC-1971 (RLY-1971), a SHP2 inhibitor designed for the treatment of solid tumors

AM Taylor, BR Williams, F Giordanetto… - Journal of Medicinal …, 2023 - ACS Publications
Protein tyrosine phosphatase SHP2 mediates RAS-driven MAPK signaling and has
emerged in recent years as a target of interest in oncology, both for treating with a single …