Dietary Methionine Restriction Regulates Liver Protein Synthesis and Gene Expression Independently of Eukaryotic Initiation Factor 2 Phosphorylation in Mice [PDF]
, 2017 Background: The phosphorylation of eukaryotic initiation factor 2 (p-eIF2) during dietary amino acid insufficiency reduces protein synthesis and alters gene expression via the integrated stress response (ISR).Objective: We explored whether a Met ...
Anthony, Tracy G. +11 more
core +1 more source
ARHGEF7 (Beta-PIX) acts as guanine nucleotide exchange factor for leucine-rich repeat kinase 2. [PDF]
PLoS ONE, 2010 Mutations within the leucine-rich repeat kinase 2 (LRRK2) gene are a common cause of familial and sporadic Parkinson's disease. The multidomain protein LRRK2 exhibits overall low GTPase and kinase activity in vitro.Here, we show that the rho guanine ...
Karina Haebig +8 more
doaj +1 more source
Science Signaling, 2018 Mutant RAS–selective dependence on the GEF SOS2 reveals tumor cell sensitivity to kinase inhibitors. Finding alternatives to targeting RAS Many tumors have mutations in the guanosine triphosphatases (GTPases) HRAS, NRAS, or KRAS.
Erin Sheffels +9 more
semanticscholar +1 more source
Activation of an Estrogen/ Estrogen Receptor Signaling by BIG3 Through Its Inhibitory Effect on Nuclear Transport of PHB2/REA in Breast Cancer [PDF]
, 2009 Breast cancer is known to be a hormone-dependent disease, and estrogens through an interaction with estrogen receptor (ER) enhance the proliferative and metastatic activity of breast tumor cells.
Arata Shimo +10 more
core +2 more sources
Cell Adhesion & Migration, 2019 The actin cytoskeleton of hepatic stellate cells (HSCs) is reorganized when they are cultured in 3D collagen matrices. Here, we investigated the molecular mechanism of actin cytoskeleton reorganization in HSCs cultured in 3D floating collagen matrices ...
Xiaowei Zhang +9 more
doaj +1 more source
Molecular mechanism of Gαi activation by non-GPCR proteins with a Gα-Binding and Activating motif [PDF]
, 2017 Heterotrimeric G proteins are quintessential signalling switches activated by nucleotide exchange on Gα. Although activation is predominantly carried out by G-protein-coupled receptors (GPCRs), non-receptor guanine-nucleotide exchange factors (GEFs) have
Baillie, George S. +14 more
core +1 more source
Multisite phosphorylation of the guanine nucleotide exchange factor Cdc24 during yeast cell polarization. [PDF]
PLoS ONE, 2009 BACKGROUND:Cell polarization is essential for processes such as cell migration and asymmetric cell division. A common regulator of cell polarization in most eukaryotic cells is the conserved Rho GTPase, Cdc42.
Stephanie C Wai, Scott A Gerber, Rong Li
doaj +1 more source
Proapoptotic and antiinvasive activity of Rac1 small molecule inhibitors on malignant glioma cells [PDF]
, 2014 Malignant gliomas are characterized by an intrinsic ability to invade diffusely throughout the normal brain tissue. This feature contributes mainly to the failure of existing therapies. Deregulation of small GTPases signaling, in particular Rac1 activity,
Alonso, Daniel Fernando +7 more
core +2 more sources
Journal of Experimental & Clinical Cancer Research, 2022 Background The extravasation capability of hepatocellular carcinoma (HCC) cells plays a vital role in distant metastasis. However, the underlying mechanism of extravasation in HCC lung metastasis remains largely unclear.
Xin Zhang +13 more
doaj +1 more source
Small GTP-binding protein Rho-mediated signaling promotes proliferation of rheumatoid synovial fibroblasts [PDF]
, 2005 Rho is a major small GTP-binding protein that is involved in the regulation of various cell functions, including proliferation and cell migration, through activation of multiple signaling molecules in various types of cells.
Kurose, Hitoshi +4 more
core +2 more sources