Results 71 to 80 of about 83,277 (241)

A non-linear system patterns Rab5 GTPase on the membrane

open access: yeseLife, 2020
Proteins can self-organize into spatial patterns via non-linear dynamic interactions on cellular membranes. Modelling and simulations have shown that small GTPases can generate patterns by coupling guanine nucleotide exchange factors (GEF) to effectors ...
Alice Cezanne   +4 more
doaj   +1 more source

Structure and possible function of a G-quadruplex in the long terminal repeat of the proviral HIV-1 genome [PDF]

open access: yes, 2016
open8The long terminal repeat (LTR) of the proviral human immunodeficiency virus (HIV)-1 genome is integral to virus transcription and host cell infection.

core   +1 more source

Metabolism‐Based Biomarkers for Rapid Phenotypic Antibiotic Susceptibility Testing

open access: yesAdvanced Science, EarlyView.
Metabolic differences emerging after antibiotic exposure provide rapid phenotypic signals of susceptibility and resistance. This review summarizes metabolic biomarkers for rapid phenotypic AST, associated with nutrient uptake, respiratory activity, metabolic reprogramming, and enzymatic function. ABSTRACT The accelerating global crisis of antimicrobial
Sha Yu   +7 more
wiley   +1 more source

Identification of a guanine nucleotide exchange factor for Arf3, the yeast orthologue of mammalian Arf6.

open access: yesPLoS ONE, 2007
Small G proteins of the Arf and Rab families are fundamental to the organisation and activity of intracellular membranes. One of the most well characterised of these G proteins is mammalian Arf6, a protein that participates in many cellular processes ...
Alison K Gillingham, Sean Munro
doaj   +1 more source

Vav1 inhibits RANKL-induced osteoclast differentiation and bone resorption [PDF]

open access: yes, 2019
Vav1 is a Rho/Rac guanine nucleotide exchange factor primarily expressed in hematopoietic cells. In this study, we investigated the potential role of Vav1 in osteoclast (OC) differentiation by comparing the ability of bone marrow mononuclear cells (BMMCs)
Cha, Young-Nam   +6 more
core   +2 more sources

PAKing up to the endothelium [PDF]

open access: yes, 2009
Angiogenesis recapitulates the growth of blood vessels that progressively expand and remodel into a highly organized and stereotyped vascular network. During adulthood, endothelial cells that formed the vascular wall retain their plasticity and can be ...
Armelle Le Guelte   +3 more
core   +6 more sources

Integrated conformational and lipid-sensing regulation of endosomal ArfGEF BRAG2. [PDF]

open access: yesPLoS Biology, 2013
The mechanisms whereby guanine nucleotide exchange factors (GEFs) coordinate their subcellular targeting to their activation of small GTPases remain poorly understood.
Kaheina Aizel   +6 more
doaj   +1 more source

Involvement of cAMP-guanine nucleotide exchange factor II in hippocampal long-term depression and behavioral flexibility [PDF]

open access: yes, 2015
BACKGROUND: Guanine nucleotide exchange factors (GEFs) activate small GTPases that are involved in several cellular functions. cAMP-guanine nucleotide exchange factor II (cAMP-GEF II) acts as a target for cAMP independently of protein kinase A (PKA) and ...
Akira Masuda   +13 more
core   +1 more source

Frizzled Proteins are bona fide G Protein-Coupled Receptors [PDF]

open access: yes, 2009
Receptors of the Frizzled family initiate Wnt ligand-dependent signaling controlling multiple steps in organism development and highly conserved in evolution. Misactivation of the Wnt/Frizzled signaling is cancerogenic.
Silke Buestorf, Vladimir L. Katanaev
core   +1 more source

Serotonin 5‐HT7 receptor signaling in neuropsychiatric disorders

open access: yesBulletin of the Korean Chemical Society, EarlyView.
5‐HT7R recruits Gs, G12, and β‐arrestin signaling to regulate neuronal plasticity, circuit function, and kinase‐linked intracellular responses. This review summarizes how these pathway‐selective modules contribute to autism spectrum disorder, depression, and schizophrenia, highlighting 5‐HT7R as a pathway‐informed therapeutic target. Abstract Serotonin
Eunseo Park, Hyunah Choo
wiley   +1 more source

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