PLC-γ and PI3K Link Cytokines to ERK Activation in Hematopoietic Cells with Normal and Oncogenic Kras
E Diaz-Flores, H Goldschmidt, P Depeille, V Ng… - Science …, 2013 - science.org
Oncogenic K-Ras proteins, such as K-RasG12D, accumulate in the active, guanosine
triphosphate (GTP)–bound conformation and stimulate signaling through effector kinases …
triphosphate (GTP)–bound conformation and stimulate signaling through effector kinases …
Expression of oncogenic K-ras from its endogenous promoter leads to a partial block of erythroid differentiation and hyperactivation of cytokine-dependent signaling …
J Zhang, Y Liu, C Beard, DA Tuveson… - Blood, The Journal …, 2007 - ashpublications.org
When overexpressed in primary erythroid progenitors, oncogenic Ras leads to the
constitutive activation of its downstream signaling pathways, severe block of terminal …
constitutive activation of its downstream signaling pathways, severe block of terminal …
Oncogenic Ras isoforms signaling specificity at the membrane
R Nussinov, CJ Tsai, H Jang - Cancer research, 2018 - AACR
How do Ras isoforms attain oncogenic specificity at the membrane? Oncogenic KRas,
HRas, and NRas (K-Ras, H-Ras, and N-Ras) differentially populate distinct cancers. How …
HRas, and NRas (K-Ras, H-Ras, and N-Ras) differentially populate distinct cancers. How …
K-RasG12D expression induces hyperproliferation and aberrant signaling in primary hematopoietic stem/progenitor cells
MEM Van Meter, E Díaz-Flores, JA Archard… - Blood, 2007 - ashpublications.org
Defining how cancer-associated mutations perturb signaling networks in stem/progenitor
populations that are integral to tumor formation and maintenance is a fundamental problem …
populations that are integral to tumor formation and maintenance is a fundamental problem …
Galectin-3 augments K-Ras activation and triggers a Ras signal that attenuates ERK but not phosphoinositide 3-kinase activity
G Elad-Sfadia, R Haklai, E Balan, Y Kloog - Journal of Biological Chemistry, 2004 - ASBMB
Depending on the cellular context, Ras can activate characteristic effectors by mechanisms
still poorly understood. Promotion by galectin-1 of Ras activation of Raf-1 but not of …
still poorly understood. Promotion by galectin-1 of Ras activation of Raf-1 but not of …
[HTML][HTML] Endogenous oncogenic KRAS expression increases cell proliferation and motility in near-diploid hTERT RPE-1 cells
NL Hindul, LR Abbott, SMD Adan, KR Straatman… - Journal of Biological …, 2024 - Elsevier
About 18% of all human cancers carry a mutation in the KRAS gene making it among the
most sought-after anti-cancer targets. However, mutant KRas protein has proved remarkably …
most sought-after anti-cancer targets. However, mutant KRas protein has proved remarkably …
Defective K-Ras oncoproteins overcome impaired effector activation to initiate leukemia in vivo
A Shieh, AF Ward, KL Donlan… - Blood, The Journal …, 2013 - ashpublications.org
Reversing the aberrant biochemical output of oncogenic Ras proteins is one of the great
challenges in cancer therapeutics; however, it is uncertain which Ras effectors are required …
challenges in cancer therapeutics; however, it is uncertain which Ras effectors are required …
[HTML][HTML] KrasP34R and KrasT58I mutations induce distinct RASopathy phenotypes in mice
JC Wong, PA Perez-Mancera, TQ Huang, J Kim… - JCI insight, 2020 - ncbi.nlm.nih.gov
Somatic KRAS mutations are highly prevalent in many cancers. In addition, a distinct
spectrum of germline KRAS mutations causes developmental disorders called RASopathies …
spectrum of germline KRAS mutations causes developmental disorders called RASopathies …
Oncogenic K-ras segregates at spatially distinct plasma membrane signaling platforms according to its phosphorylation status
C Barceló, N Paco, AJ Beckett… - Journal of cell …, 2013 - journals.biologists.com
Activating mutations in the K-Ras small GTPase are extensively found in human tumors.
Although these mutations induce the generation of a constitutively GTP-loaded, active form …
Although these mutations induce the generation of a constitutively GTP-loaded, active form …
K-Ras4B phosphorylation at Ser181 is inhibited by calmodulin and modulates K-Ras activity and function
Fine tuning of Ras activity is widely known as a mechanism to induce different cellular
responses. Recently, we have shown that calmodulin (CaM) binds to K-Ras and that K-Ras …
responses. Recently, we have shown that calmodulin (CaM) binds to K-Ras and that K-Ras …