Results 91 to 100 of about 66,391 (264)

Inhibition of phosphodiesterase 4D suppresses mTORC1 signaling and pancreatic cancer growth

JCI Insight, 2023
The mammalian target of rapamycin complex 1 (mTORC1) senses multiple upstream stimuli to orchestrate anabolic and catabolic events that regulate cell growth and metabolism. Hyperactivation of mTORC1 signaling is observed in multiple human diseases; thus,
Mi-Hyeon Jeong, Greg Urquhart, Cheryl Lewis, Zhikai Chi, Jenna L. Jewell   +4 more
doaj   +1 more source

SDF‐1 Attenuates Oocyte Quality Decline During Reproductive Aging Through Autophagy‐Enhanced Stress Granule Scavenging

Advanced Science, EarlyView.
SDF‐1 levels decline significantly with maternal aging. Exogenous supplementation restores meiotic spindle morphology, chromosomal alignment, and mitochondrial function while reducing oxidative stress in aged oocytes. Mechanistically, SDF‐1 enhances autophagic activity to clear accumulated stress granules, thereby rescuing fertilization competence and ...
Rui Long, Meng Wang, Ruolin Mao, Hong Chen, Juepu Zhou, Xiangfei Wang, Zheng Yuan, Ri‐Cheng Chian, Nan Xiao, Qingsong Xi, Yimin Shu, Lei Jin, Lixia Zhu   +12 more
wiley   +1 more source

Daño endotelial inducido por los anticuerpos antifosfolípidos: papel del estrés oxidativo y mTOR en la regulación de procesos autofágicos

Iatreia, 2019
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Carlos M Rodríguez C., Ángela P Cadavid J., Angela M Álvarez G., Carolina Rúa-Molina   +3 more
doaj  

A Multidimensional Engineering Strategy Reprograms Microglia via Targeted and Sustained‐Release Extracellular Vesicles for Spinal Cord Injury Repair

Advanced Science, EarlyView.
A multifunctional EV‐based nanoplatform (Ang‐TEVs@Gel) was engineered via preconditioning, surface targeting, and ROS‐responsive hydrogel encapsulation to reprogram microglia. This system restored autophagy via miR‐664a‐3p/PIK3CA axis, cleared myelin debris, resolved neuroinflammation, and promoted axon remyelination, ultimately achieving robust motor ...
Wu Xiong, Minhao Liu, Mingming Zheng, Jizhou Jia, Ziyan Zhu, Guang Kong, Jie Liu, Juan Wang, Wenbo Li, Qingyuan Wang, Qian Zhu, Peiran Chan, Tao Qin, Jiayang Wu, Yongjie Zhang, Chunming Tang, Cong Li, Jin Fan   +17 more
wiley   +1 more source

Regulation of mTORC1 by lysosomal calcium and calmodulin

eLife, 2016
Blockade of lysosomal calcium release due to lysosomal lipid accumulation has been shown to inhibit mTORC1 signaling. However, the mechanism by which lysosomal calcium regulates mTORC1 has remained undefined.
Ruo-Jing Li, Jing Xu, Chenglai Fu, Jing Zhang, Yujun George Zheng, Hao Jia, Jun O Liu   +6 more
doaj   +1 more source

Transcriptional regulation of mTORC1 in cancer

Oncotarget, 2018
no abstract ...
Di Malta, Chiara, Ballabio, Andrea
openaire   +3 more sources

Selective Modulation of OTUB1 Noncanonical Function via a bioPhosTAC Strategy

Advanced Science, EarlyView.
This work positions the versatile performance of the peptide‐based bioPhosTAC platform for dissecting phosphorylation‐dependent biology and expanding the scope of induced‐proximity technologies. We demonstrated that selective manipulation of a tyrosine phosphorylation site is sufficient to propagate coordinated cellular consequences.
Seung Un Seo, Seon Min Woo, Minhyeong Choi, Soeun Rhee, Simmyung Yook, Donghyuk Shin, Kwang‐Su Park, Taeg Kyu Kwon   +7 more
wiley   +1 more source

The mTORC1 Signaling Network Senses Changes in Cellular Purine Nucleotide Levels

Cell Reports, 2017
Summary: Mechanistic (or mammalian) target of rapamycin complex 1 (mTORC1) integrates signals from growth factors and nutrients to control biosynthetic processes, including protein, lipid, and nucleic acid synthesis.
Gerta Hoxhaj, James Hughes-Hallett, Rebecca C. Timson, Erika Ilagan, Min Yuan, John M. Asara, Issam Ben-Sahra, Brendan D. Manning   +7 more
doaj   +1 more source

The Cancer Cell Metabolic Reprogramming Remodels the Tumor Microenvironment: Molecular Mechanisms and Therapeutic Strategies

Advanced Science, EarlyView.
This review elucidates how cancer cell metabolic reprogramming—across glucose, lipid, amino acid, and nucleotide pathways—remodels the tumor microenvironment to suppress anti‐tumor immunity and promote immune escape. Targeting these metabolic axes offers promising strategies to overcome immunotherapy resistance and enhance cancer treatment.
Guoqing Xiang, Zhicheng Zhou, Xue Jiang, Zhenguang Du, Yangyang Zhan, Xinli Liu   +5 more
wiley   +1 more source

Mechanistic Target of Rapamycin Complex 1 Signaling Modulates Vascular Endothelial Function Through Reactive Oxygen Species

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2019
Background The mechanistic target of rapamycin complex 1 (mTORC1) is an important intracellular energy sensor that regulates gene expression and protein synthesis through its downstream signaling components, the S6‐kinase and the ribosomal S6 protein ...
John J. Reho, Deng‐Fu Guo, Kamal Rahmouni   +2 more
doaj   +1 more source