Results 121 to 130 of about 62,716 (254)

Acid‐Responsive Nanobot‐Integrated Core‐Shell Microneedles Reprogram the Degenerative Annulus Fibrosus Microenvironment Through Epigenetic Suppression of Ferroptosis

Advanced Science, EarlyView.
An acid‐responsive core‐shell microneedle system normalizes the degenerative annulus fibrosus microenvironment by consuming pathological H+, generating O2, and providing NIR‐amplified redox buffering. Mechanistically, it epigenetically suppresses ferroptosis via DNMT3A‐dependent methylation of the ATF3 promoter, relieving ATF3‐mediated repression of ...
Lu Tan, Yan Zheng, Yue Lan, Zhuo Cheng, Siya Wang, Changqing Li, Yanqiu Wang, Minghan Liu   +7 more
wiley   +1 more source

Nascent Extracellular Matrix Converts Biomaterial Cues into Cell Fate Decisions

Advanced Science, EarlyView.
This study uncovers a tri‐directional interplay among cells, hydrogels, and their nascent extracellular matrix. Hydrogel norbornene modification alters CD44‐mediated cell–hydrogel interactions, which shape nascent matrix deposition, composition, and spatial organization.
Joshua Y. Liu, Ziqian Yang, Arina E. Velieva, Eleanor M. Plaster, Mingyue Fan, Donia W. Ahmed, Avinava Roy, Pamela Duran, Pamela Panovich, Alexandra S. Piotrowski‐Daspit, Carlos A. Aguilar, Megan L. Killian, Claudia Loebel   +12 more
wiley   +1 more source

Bioenergetic Materials for Tissue Regeneration: Modulating Metabolism to Promote Cellular Anabolism

Advanced Science, EarlyView.
Bioenergetic materials (BEMs) modulate cellular metabolism to promote tissue regeneration. Their principal mechanisms of action include metabolic substrate supplementation, metabolic enzyme modulation, organelle transfer, electrical current regulation, redox homeostasis modulation, and oxygen tension modulation.
Yuchen He, Yuwen Wang, Jonathan F. Gong, Yiting Lei, Fei Jin, Weihong Zhu, Rocky S. Tuan, Zhong Alan Li   +7 more
wiley   +1 more source

Transfer RNA‐Derived Small RNA‐5’tiRNAGln Drives HNRNPC Phase Separation to Promote Breast Cancer Bone Metastasis by Regulating IGF1R

Advanced Science, EarlyView.
This study reveals that 5'tiRNA‐Gln interacts with hnRNPC to promote IGF1R liquid‐liquid phase separation, which drives ERK1/2 signaling activation, EMT, and breast cancer bone metastasis. These findings highlight a novel mechanism of breast cancer bone metastasis and potential therapeutic target in metastatic breast cancer.
Bingnan Wang, Dongsong Liu, Xiaozhi Fan, Jiale Fan, Xuesi liu, Yu Wang, Zixin Wang, Mo Cheng, Ping Zhou, Wangjun Yan   +9 more
wiley   +1 more source

Versatile Microgel Platform for Intervertebral Disc Degeneration Therapy: Targeting Pericyte‐Mediated Fibrosis and Protecting Nucleus Pulposus Cells

Advanced Science, EarlyView.
The engineered MMS@TRP microgel enables targeted, acid‐responsive delivery of a miR‐21 inhibitor to pericytes. It effectively suppresses disc fibrosis by inhibiting TGF‐β signaling while protecting nucleus pulposus cells via sustained, antioxidant tannic acid release.
Fei Ma, Zhen Zhao, Chuan Guo, Yuheng Liu, Yu Wang, Dengbo Yao, Weiqiang Lan, Dejun Zhong, Chen Fan, Yao He, Mei Zhang, Qingquan Kong, Yunfeng Lin   +12 more
wiley   +1 more source

Gut microbiota–derived short‐chain fatty acids regulate group 3 innate lymphoid cells in HCC

Hepatology, EarlyView., 2022
Abstract Background and Aims Type 3 innate lymphoid cells (ILC3s) are essential for host defense against infection and tissue homeostasis. However, their role in the development of HCC has not been adequately confirmed. In this study, we investigated the immunomodulatory role of short‐chain fatty acids (SCFAs) derived from intestinal microbiota in ILC3
Chupeng Hu, Bingqing Xu, Xiaodong Wang, Wen‐Hua Wan, Jinying Lu, Deyuan Kong, Yu Jin, Wenhua You, Hua Sun, Xiaoxin Mu, Dongju Feng, Yun Chen   +11 more
wiley   +1 more source

Neonatal Sevoflurane Exposure Induces Long‐Term Cognitive Impairment via Epigenetically Mediated MMP9 Activation and Perineuronal Net Disruption in the Hippocampal CA2

Advanced Science, EarlyView.
Hippocampal CA2 perineuronal nets ensheathing excitatory pyramidal neurons are selectively vulnerable to repeated neonatal sevoflurane exposure. Epigenetic upregulation of MMP9 via reduced H3K27me3 disrupts PNN integrity, impairs BDNF–TrkB signaling, and causes synaptic protein loss and dendritic spine deficits, leading to persistent social and spatial
Lirong Liang, Jiachen Wang, Taozhi Wang, Yanling Li, Youyi Zhao, Guanghui Hao, Peiqin Gong, Ruling Chen, Yilin Fang, Shengxi Wu, Haopeng Zhang, Hui Zhang   +11 more
wiley   +1 more source

Lipocalin‐2 activates hepatic stellate cells and promotes nonalcoholic steatohepatitis in high‐fat diet–fed Ob/Ob mice

Hepatology, EarlyView., 2022
Graphical summary of obesity‐induced NASH progression by LCN2 targeted to HSC activation. Abstract Background and Aims In obesity and type 2 diabetes mellitus, leptin promotes insulin resistance and contributes to the progression of NASH via activation of hepatic stellate cells (HSCs).
Kyung Eun Kim, Jaewoong Lee, Hyun Joo Shin, Eun Ae Jeong, Hye Min Jang, Yu Jeong Ahn, Hyeong Seok An, Jong Youl Lee, Meong Cheol Shin, Soo Kyoung Kim, Won Gi Yoo, Won Ho Kim, Gu Seob Roh   +12 more
wiley   +1 more source

A Spatiotemporal Single‐Cell Atlas Uncovers Dysregulated ECM Dynamics and Septal Remodeling Arrest in Human Ventricular Septal Defects

Advanced Science, EarlyView.
Integrating single‐cell and spatial transcriptomics reveals human ventricular septal defect (VSD) as a disease of microenvironmental insufficiency and structural remodeling arrest. Attenuated endothelial‐fibroblast crosstalk, alongside downregulated THBS1/TGF‐β1 and MMP2 signaling networks, impairs the endothelial‐to‐mesenchymal transition (EndoMT) and
Xiaoyuan Zhang, Lun Zhu, Ze Sun, Ruolin Jia, Ziming Wang, Jiayao Zhao, Bohao Liu, Haiqing Xiong, Xiaowei Yu, Yanzhu Yue   +9 more
wiley   +1 more source

Circulating TREM2 as a noninvasive diagnostic biomarker for NASH in patients with elevated liver stiffness

Hepatology, EarlyView., 2022
Abstract Background and Aims Reliable noninvasive biomarkers are an unmet clinical need for the diagnosis of NASH. This study investigates the diagnostic accuracy of the circulating triggering receptor expressed on myeloid cells 2 (plasma TREM2) as a biomarker for NASH in patients with NAFLD and elevated liver stiffness.
Vineesh Indira Chandran, Charlotte Wilhelmina Wernberg, Mette Munk Lauridsen, Maria Kløjgaard Skytthe, Sofie Marchsteiner Bendixen, Frederik Tibert Larsen, Camilla Dalby Hansen, Lea Ladegaard Grønkjær, Majken Storm Siersbæk, Tina Di Caterino, Sönke Detlefsen, Holger Jon Møller, Lars Grøntved, Kim Ravnskjaer, Søren Kragh Moestrup, Maja Sofie Thiele, Aleksander Krag, Jonas Heilskov Graversen   +17 more
wiley   +1 more source