Results 141 to 150 of about 84,425 (312)

The biochemical mechanism of Rho GTPase membrane binding, activation and retention in activity patterning

open access: yesThe EMBO Journal
Rho GTPases form plasma membrane-associated patterns that control the cytoskeleton during cell division, morphogenesis, migration, and wound repair.
Michael C Armstrong   +9 more
doaj   +1 more source

Arf6 Guanine Nucleotide Exchange Factor Cytohesin-2 Binds to CCDC120 and Is Transported Along Neurites to Mediate Neurite Growth [PDF]

open access: hybrid, 2014
Tomohiro Torii   +7 more
openalex   +1 more source

EHD4 and ASAP2 are critical negative regulators of the claudin‐5‐based endothelial barrier

open access: yesThe FEBS Journal, EarlyView.
Cell‐surface CLDN‐5 protein levels can be evaluated using a probe that can bind to the extracellular domains of CLDN‐5. A probe derived from Clostridium perfringens enterotoxin allows us to isolate cells with high CLDN‐5 protein levels from a knockout cell library.
Yosuke Hashimoto   +8 more
wiley   +1 more source

In vitro fluorescence assay to measure GDP/GTP exchange of guanine nucleotide exchange factors of Rho family GTPases. [PDF]

open access: yesBiol Methods Protoc, 2022
Blaise AM   +5 more
europepmc   +1 more source

GCN2 in proteostasis: structural logic, signalling networks and disease

open access: yesThe FEBS Journal, EarlyView.
Threats to protein synthesis activate the kinase GCN2, initiating the integrated stress response (ISR). GCN2 is triggered by stalled ribosomes and uncharged tRNAs, which accumulate when amino acids are scarce. The ISR adjusts cellular physiology by promoting redox balance, protein quality control, and mitochondrial optimisation.
JiaYi Zhu, Stefan J. Marciniak
wiley   +1 more source

PACAP induces FSHβ gene expression via EPAC. [PDF]

open access: yes, 2019
Gonadotropins, luteinizing hormone (LH) and follicle-stimulating hormone (FSH), are heterodimers of a common α subunit and unique β subunits. Regulation of their levels, primarily by GnRH, is critical for reproductive function.
Coss, Djurdjica, Yeh, Debra M
core  

Epigenetic analyses suggest different pathways during pregnancy for development of Type 1 diabetes in children with high versus low‐neutral human leukocyte antigen‐risk

open access: yesJournal of Internal Medicine, EarlyView.
Abstract Background and objective The development of Type 1 diabetes (T1D) is shaped by genetic predisposition and epigenetic regulation. Human leukocyte antigen (HLA) risk alleles are major genetic determinants, but the epigenetic landscape in relation to disease onset remains unclear.
Shamila D. Alipoor   +6 more
wiley   +1 more source

Rab21 recruits EEA1 and competes with Rab5 for Rabex-5 activation

open access: yesFrontiers in Cell and Developmental Biology
Rab5 is a key regulator of early endosomal traffic and fusion. It shares its localization and guanine nucleotide exchange factor Rabex-5 with the less characterized member of the Rab5 subfamily Rab21.
Francisco Yanguas, Cinzia Progida
doaj   +1 more source

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