Results 111 to 120 of about 958,866 (334)

Nanoparticle‐Mediated CXCL12–CXCR4 Inhibition Reprograms Macrophages and Suppresses Gastric Carcinoma

open access: yesAdvanced Science, EarlyView.
Molecular mechanism study of self‐assembled M2pep‐Cs NPs/Plerixafor nanoparticles in targeting MΦ reprogramming by regulating the CXCL12–CXCR4 signaling pathway to enhance immune recognition and clearance of GC (Created by BioRender). Abstract Gastric carcinoma (GC) remains a major global health challenge, requiring novel therapeutic approaches.
Qianqian Cao   +9 more
wiley   +1 more source

Mutation of RGA1, which encodes a putative GTPase-activating protein for the polarity-establishment protein Cdc42p, activates the pheromone-response pathway in the yeast Saccharomyces cerevisiae.

open access: yesGenes & Development, 1995
We have selected yeast mutants that exhibit a constitutively active pheromone-response pathway in the absence of the beta subunit of the trimeric G protein.
B. Stevenson   +6 more
semanticscholar   +1 more source

The E3 Ubiquitin Ligase ARIH1 Facilitates Colorectal Cancer Progression by Promoting Oxidative Phosphorylation via the Mitochondrial Translocation of K63‐Linked Ubiquitinated PHB1

open access: yesAdvanced Science, EarlyView.
The RBR E3 ubiquitin ligase ARIH1, which is upregulated in colorectal cancer cells, promotes cell growth and metastasis and correlates with an unfavorable CRC prognosis. Mechanistically, ARIH1 catalyzes K63‐linked ubiquitination of PHB1, enhancing the interaction between PHB1 and Akt.
Ying Tong   +13 more
wiley   +1 more source

The GTPase-activating Protein RGS4 Stabilizes the Transition State for Nucleotide Hydrolysis*

open access: yesJournal of Biological Chemistry, 1996
RGS proteins constitute a newly appreciated group of negative regulators of G protein signaling. Discovered by genetic screens in yeast, worms, and other organisms, two mammalian RGS proteins, RGS4 and GAIP, act as GTPase-activating proteins for members ...
D. M. Berman, T. Kozasa, A. Gilman
semanticscholar   +1 more source

The FGF13‐Caveolin‐1 Axis: A Key Player in the Pathogenesis of Doxorubicin‐ and D‐Galactose‐Induced Premature Cardiac Aging

open access: yesAdvanced Science, EarlyView.
The FGF13 level is significantly downregulated in premature aging murine hearts subject to D‐galactose and Doxorubicin. FGF13 overexpression and deficiency exacerbated and alleviated Doxorubicin/D‐galactose‐induced myocardial aging characteristics and functional impairment, respectively.
Enzhao Shen   +15 more
wiley   +1 more source

The Molecular Basis of Amino Acids Sensing

open access: yesAdvanced Science, EarlyView.
Amino acids are essential as protein building blocks and signaling molecules, enabling metabolic regulation. Cells sense amino acid levels to control protein synthesis, maintain homeostasis, and adapt to nutritional changes. This review explores recent advances in amino acid sensing mechanisms across organisms, highlighting their roles in cellular ...
Cong Jiang   +3 more
wiley   +1 more source

RAB22A sorts epithelial growth factor receptor (EGFR) from early endosomes to recycling endosomes for microvesicles release

open access: yesJournal of Extracellular Vesicles
Microvesicles (MVs) containing proteins, nucleic acid or organelles are shed from the plasma membrane. Although the mechanisms of MV budding are well elucidated, the connection between endosomal trafficking and MV formation remains poorly understood.
Yujie Lin   +9 more
doaj   +1 more source

Physical Association of the NB-LRR Resistance Protein Rx with a Ran GTPase–Activating Protein Is Required for Extreme Resistance to Potato virus X[W][OA]

open access: yesThe Plant Cell Online, 2007
Nucleotide binding leucine-rich repeat (NB-LRR) proteins play an important role in plant and mammalian innate immunity. In plants, these resistance proteins recognize specific pathogen-derived effector proteins.
W. Tameling, D. Baulcombe
semanticscholar   +1 more source

A Novel OsMPK6‐OsMADS47‐PPKL1/3 Module Controls Grain Shape and Yield in Rice

open access: yesAdvanced Science, EarlyView.
OsMADS47 is identified as a key regulator governing rice grain morphology. Phosphorylation‐dependent regulation of its activity directs the development of slender versus round grains, modulating both yield and appearance. This mechanism bridges cellular signaling with transcriptional regulation, establishing a molecular framework for grain optimization.
Jingjing Fang   +9 more
wiley   +1 more source

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