Tiam1 interaction with the PAR complex promotes talin-mediated Rac1 activation during polarized cell migration. [PDF]
, 2012 Migrating cells acquire front-rear polarity with a leading edge and a trailing tail for directional movement. The Rac exchange factor Tiam1 participates in polarized cell migration with the PAR complex of PAR3, PAR6, and atypical protein kinase C ...
Collard, John G +14 more
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Deciphering the Impact of RAC1‐SPTAN1 in ARPKD Cystogenesis Using Multifaceted Models
Advanced Science, Volume 13, Issue 25, 4 May 2026.Distal/connecting tubules expressing SLC8A1 have been suggested as a potential origin of ARPKD cysts. SPTAN1 has been identified as a key molecule in ARPKD cyst formation. Restoring SPTAN1 in PKHD1−/− organoids reduced cyst formation, normalized calcium levels, and decreased RAC1/c‐FOS expression, highlighting SPTAN1's role in ARPKD and the potential ...
Shohei Kuraoka +9 more
wiley +1 more source
Guanine nucleotide exchange factors activate Rab8a for Toll-like receptor signalling. [PDF]
Small GTPases, 2021 Tong SJ +4 more
europepmc +1 more source
Characterization of ROP GTPase-activated Arabidopsis receptor-like cytoplasmic kinases (RLCK class VI_A) [PDF]
, 2011 Plants have to respond and adapt to a variety of continuously changing environmental factors in order to establish an appropriate developmental strategy to ensure survival. There are ample data showing that protein phosphorylation/dephosphorylation plays
Jurca Elena Manuela
core
American Journal of Medical Genetics Part A, Volume 200, Issue 5, Page 1091-1097, May 2026.ABSTRACT RASopathies are clinically overlapping neurodevelopmental syndromes resulting from germline mutations in genes involved in the rat sarcoma/mitogen‐activated protein kinases (RAS/MAPK) pathway. Historically, RASopathies have been described by clinical phenotypes, such as Noonan syndrome and Neurofibromatosis type I.
Anastasia‐Vasiliki Madenidou +6 more
wiley +1 more source
The GAPs, GEFs, and GDIs of heterotrimeric G-protein alpha subunits
International Journal of Biological Sciences, 2005 The heterotrimeric G-protein alpha subunit has long been considered a bimodal, GTP-hydrolyzing switch controlling the duration of signal transduction by seven-transmembrane domain (7TM) cell-surface receptors.
doaj
Identification of guanine nucleotide exchange factors that increase Cdc42 activity in primary human endothelial cells. [PDF]
Small GTPases, 2021 Reinhard NR +6 more
europepmc +1 more source
Targeted Therapy and Immunotherapies in Hepatocellular Carcinoma: Mechanisms and Clinical Studies
MedComm, Volume 7, Issue 5, May 2026.The mechanism of multiple signaling pathways and their related targeted inhibitors in HCC. (A) The mechanism of Ras/Raf/MEK/ERK signaling pathway and its related targeted inhibitors; (B) the mechanism of PI3K/AKT/mTOR signaling pathway and its crosstalk with other pathways and its related targeted inhibitors; (C) the mechanism of JAK/STAT signaling ...
Penghui He +9 more
wiley +1 more source
Elevated cAMP Protects against Diclofenac-Induced Toxicity in Primary Rat Hepatocytes: A Protective Effect Mediated by the Exchange Protein Directly Activated by cAMP/cAMP-Regulated Guanine Nucleotide Exchange Factors. [PDF]
Mol Pharmacol, 2021 Aguilar Mora FA +7 more
europepmc +1 more source
Protein Science, Volume 35, Issue 5, May 2026.Abstract The histone fold is one of the most ancient and versatile structural motifs in protein biology, best known for its role in chromatin organization. A remarkable variation of this motif is the double histone fold (DHF), in which two histone folds are encoded within a single polypeptide chain and assemble intramolecularly into a histone‐like ...
Anna Ranaudo +3 more
wiley +1 more source