Results 121 to 130 of about 204,389 (300)

Decoding Human Placental Cellular and Molecular Responses to Obesity and Fetal Growth

Advanced Science, EarlyView.
Women with obesity often deliver large‐for‐gestational‐age (LGA) infants. Single‐nucleus RNA sequencing of term placenta reveals that hypoxia and TNF‐α signaling in syncytiotrophoblasts are featured in maternal obesity, but inflammatory signatures in Hofbauer cells and response to lipid or carbohydrate metabolism in fibroblasts are specific to LGA.
Hong Jiang, Emilie Derisoud, Denise Parreira, Nayere Taebnia, Paulo R. Jannig, Reza Zandi Shafagh, Allan Zhao, Congru Li, Macarena Ortiz, Manuel Alejandro Maliqueo, Elisabet Stener‐Victorin, Volker M. Lauschke, Qiaolin Deng   +12 more
wiley   +1 more source

Intensiometric biosensors visualize the activity of multiple small GTPases in vivo

Nature Communications, 2019
FRET sensors hardly achieve visualization of spatiotemporal dynamics of protein activity in vivo. Here the authors present intensiometric small GTPase biosensors based on dimerization-dependent fluorescent proteins that enable monitoring of activity of ...
Jihoon Kim, Sangkyu Lee, Kanghoon Jung, Won Chan Oh, Nury Kim, Seungkyu Son, YoungJu Jo, Hyung-Bae Kwon, Won Do Heo   +8 more
doaj   +1 more source

Role of βPix in the kidney

Frontiers in Physiology, 2012
Small GTPases function as molecular switches in cell signaling, alternating between an inactive, GDP-bound state, and active GTP-bound state. βPix is one of guanine nucleotide exchange factors (GEFs) that catalyze the exchange of bound GDP for ambient ...
Alexander eStaruschenko, Andrey eSorokin
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, Cardama, Georgina Alexandra, Ciarlantini, Matias Sebastián, Comin, Maria Julieta, Gandolfi Donadío, Lucía, Gomez, Daniel Eduardo, González, Nazareno, Lorenzano Menna, Pablo   +7 more
core   +2 more sources

Human Atlas of Tooth Decay Progression: Identification of Cellular Mechanisms Driving the Switch from Dental Pulp Repair Toward Irreversible Pulpitis

Advanced Science, EarlyView.
Tooth decay progression transforms the dental pulp response from repair to fibrosis. At early stages, stromal cells reprogram to repair the extra cellular matrix (ECM), blood vessels, and nerves, remodel and grow, keeping repair possible. In advanced decay, hypoxia, and vessel regression, in complement with an immune switch, fuel nerve degeneration and
Hoang Thai Ha, Sofya Kosmynina, Amandine Verocq, Keremsah Ozen, Ines Tekia, Hugo Bussy, Marie Ramirez, Dima Sabbah, Chloe Goemans, Valerie Vandenbempt, Esteban N. Gurzov, Sumeet Pal Singh, Nicolas Baeyens   +12 more
wiley   +1 more source

Mitochondrial localization of SESN2.

PLoS ONE, 2020
SESN2 is a member of the evolutionarily conserved sestrin protein family found in most of the Metazoa species. The SESN2 gene is transcriptionally activated by many stress factors, including metabolic derangements, reactive oxygen species (ROS), and DNA ...
Irina E Kovaleva, Artem V Tokarchuk, Andrei O Zheltukhin, Alexandra A Dalina, Grigoriy G Safronov, Alexandra G Evstafieva, Konstantin G Lyamzaev, Peter M Chumakov, Andrei V Budanov, Andrei V Budanov   +9 more
doaj   +1 more source

Thermodynamic bounds on the ultra- and infra-affinity of Hsp70 for its substrates [PDF]

, 2017
The 70 kDa Heat Shock Proteins Hsp70 have several essential functions in living systems, such as protecting cells against protein aggregation, assisting protein folding, remodeling protein complexes and driving the translocation into organelles.
Hartich, David, Nguyen, Basile, Rios, Paolo De Los, Seifert, Udo   +3 more
core   +2 more sources

Temporal Stretch‐Induced Nuclear Mechanosensing Coordinates Early Chromatin Accessibility and Genome Protection

Advanced Science, EarlyView.
Cyclic stretching of fibroblasts triggers coordinated nuclear mechanosensing events, including calcium ion release, perinuclear actin assembly, emerin translocation, and H3K9me3 loss, increasing chromatin accessibility for specific genes related to mechanotransduction and repair.
Hye‐Won Shim, Ji‐Young Yoon, Hwalim Lee, Shanika Karunasagara, Cheng Ji Li, Yongdae Shin, Sukbum Hong, Dong‐Joon Lee, Jung‐Hwan Lee, Kam W. Leong, Hae‐Won Kim   +10 more
wiley   +1 more source

Hypoxia-inducible factor 1 alpha is required for the tumourigenic and aggressive phenotype associated with Rab25 expression in ovarian cancer [PDF]

, 2016
The small GTPase Rab25 has been functionally linked to tumour progression and aggressiveness in ovarian cancer and promotes invasion in three-dimensional environments.
Chalmers, Anthony J., Gomez-Roman, Natividad, McGregor, Fiona, Plumb, Jane   +3 more
core   +1 more source

Targeting Itga8 Mitigates Neurogenic Bladder Fibrosis Driven by Trem2⁺ Macrophage‐Derived Fn1 via FAK/RhoA/ROCK Signaling

Advanced Science, EarlyView.
Normal bladders exhibit quiescent fibroblasts/macrophages, whereas neurogenic bladders show acute‐phase Itga8⁺ fibroblast expansion driven by Trem2⁺ macrophage‐secreted Fn1, which activates FAK/RhoA/ROCK signaling, promotes cytoskeletal remodeling, and upregulates pro‐fibrotic genes.
Jiaxin Wang, Siyuan Wang, Lida Ren, Xinqi Liu, Lei Zhang, Peng Hu, Wenchao Xu, Shuaixiang Zheng, Jihong Liu, Qing Ling   +9 more
wiley   +1 more source