Results 131 to 140 of about 261,647 (345)

Fixing the GAP: The role of RhoGAPs in cancer

open access: yesEuropean Journal of Cell Biology, 2022
Cancer progression and metastasis are processes that involve significant cellular changes. Many of these changes include alterations in the activity of the Rho GTPase family of proteins.
Gabriel Kreider-Letterman   +2 more
doaj  

Kinetic and Structural Analysis of the Mg2+ -binding Site of the Guanine Nucleotide-binding Protein p21 H-ras. [PDF]

open access: yes, 1993
The coordination and binding of the Mg2+ ion in the nucleotide−binding site of p21 have been investigated using site−directed mutagenesis, kinetic methods, and phosphorous NMR.
Borasio, Gian Domenico   +6 more
core  

Mutations in human dynamin block an intermediate stage in coated vesicle formation [PDF]

open access: yes, 1993
The role of human dynamin in receptor-mediated endocytosis was investigated by transient expression of GTP-binding domain mutants in mammalian cells. Using assays which detect intermediates in coated vesicle formation, the dynamin mutants were found to ...
Damke, Hanna   +5 more
core   +3 more sources

Role of Tunneling Nanotubes in Arachidonic Acid Transfer and Macrophage Function Reprogramming in Intrahepatic Cholangiocarcinoma

open access: yesAdvanced Science, EarlyView.
Tunneling nanotubes facilitate the transfer of long‐chain fatty acids, primarily arachidonic acid, from tumor cells to macrophages, leading to lipid accumulation and activation of the PI3K‐Akt pathway. This drives a shift from the anti‐tumor CD5L⁺ phenotype to a pro‐tumor TREM2⁺ phenotype.
Meiru Chen   +7 more
wiley   +1 more source

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

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

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

Rho GTPases [PDF]

open access: yesJournal of Biological Chemistry, 1998
D J, Mackay, A, Hall
openaire   +2 more sources

Histone Demethylase UTX Suppresses Tumor Cell Proliferation by Regulating Stress Granules

open access: yesAdvanced Science, EarlyView.
These findings indicate that cytoplasmic UTX forms puncta and co‐localizes in stress granules (SGs) upon various stresses. UTX TPR‐domain‐dependently and demethylase‐activity‐independently destabilize SGs by binding G3BP1, the SG hub protein, to disrupt SG network, thus affects tumorigenesis.
Xikai Liu   +17 more
wiley   +1 more source

CCDC80 Protects against Aortic Dissection and Rupture by Maintaining the Contractile Smooth Muscle Cell Phenotype

open access: yesAdvanced Science, EarlyView.
Aortic dissection (AD) is accompanied by a decrease in CCDC80 in vascular smooth muscle cells (VSMCs). CCDC80 can interact with JAK2, and VSMC‐specific CCDC80 deficiency accelerates the progression of AD by activating the JAK2/STAT3 pathway involved in regulating the phenotype switching and function of VSMCs.
Qingqing Xiao   +18 more
wiley   +1 more source

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