Results 41 to 50 of about 128,752 (251)

Chronobiology of Cancer: How Aging Fuels Oncogenesis at the Molecular Level

Aging and Cancer, EarlyView.
This graphical abstract illustrates the key biological pathways linking aging with cancer development and progression. In the upper left, cumulative exposure to ultraviolet radiation, toxins, and reactive oxygen species (ROS) causes DNA damage and genomic instability, whereas age‐related decline in repair mechanisms, such as ATM/ATR, BER, and NER ...
Anu Singh, Aroonima Misra, Sufian Zaheer
wiley   +1 more source

SMURF2 regulates bone homeostasis by disrupting SMAD3 interaction with vitamin D receptor in osteoblasts

Nature Communications, 2017
The balance between osteoclast and osteoblast-mediated bone turnover is essential for bone health and homeostasis. Here the authors show that both germline and osteoblast-specificSmurf2-deficient mice have osteoporosis as a result of increased osteoblast
Zhan Xu, Matthew B. Greenblatt, Guang Yan, Heng Feng, Jun Sun, Sutada Lotinun, Nicholas Brady, Roland Baron, Laurie H. Glimcher, Weiguo Zou   +9 more
doaj   +1 more source

Inhibition of Osteoblast Function by Brucella abortus is Reversed by Dehydroepiandrosterone and Involves ERK1/2 and Estrogen Receptor

Frontiers in Immunology, 2018
Brucella abortus induces an inflammatory response that stimulates the endocrine system resulting in the secretion of cortisol and dehydroepiandrosterone (DHEA).
María Virginia Gentilini, Ayelén Ivana Pesce Viglietti, Paula Constanza Arriola Benitez, Andrea Elena Iglesias Molli, Gloria Edith Cerrone, Guillermo Hernán Giambartolomei, María Victoria Delpino   +6 more
doaj   +1 more source

Cytotoxicity Effects of Polyhydroxybutyrate/Chitosan/Bioglass Nanocomposite Scaffolds on Human Osteoblast-like Cells (SAOS-2 Cells)

مجله دانشکده دندانپزشکی اصفهان, 2022
In tissue engineering, a porous material is applied as the extracellular matrix or scaffold for cell growth. Then growth factors are added to this scaffold whose cytotoxicity must be assessed.
Batool Hashemi-Beni, Maryam Khoroushi, Saeed Karbasi, Fariba Heidari, Mohamad Reza Foroughi   +4 more
doaj   +1 more source

3D‐Printed Titanium Gyroid Scaffold Structure Integrated With Tough Hybrid Materials for Cartilage Replacement

Advanced Engineering Materials, EarlyView.
This study proposes a potential device design for joint cartilage replacement. Silica‐polytetrahydrofuran (SiO2‐PolyTHF) hybrids with customizable mechanical properties were developed to mimic the characteristics of a natural meniscus. These were synthesized through a two‐pot sol–gel hybrid process.
Yu‐Chien Lin, Gloria R. Young, Francesca Tallia, Reece N. Oosterbeek, Shaaz Ghouse, Edward Spiers, Nupur Kohli, Tom Briggs, Marc Masen, Siwei Li, Ren‐Jei Chung, Jonathan R. T. Jeffers, Julian R. Jones   +12 more
wiley   +1 more source

Eucommia ulmoides Oliver polysaccharide alleviates glucocorticoid-induced osteoporosis by stimulating bone formation via ERK/BMP-2/SMAD signaling

Scientific Reports
Osteoporosis (OP) is a metabolic disease characterized by low bone mineral mass owing to osteoblast dysfunction. Eucommia ulmoides Oliver (EuO) is a Chinese herbal medicine traditionally used to treat OP.
Jiyu Song, Yongfeng Zhang, Xinghui Jin, Yanfeng Zhu, Yutong Li, Min Hu   +5 more
doaj   +1 more source

miR-539 mediates osteoblast mineralization by regulating Distal-less genes 2 in MC3T3-E1 cell line

Open Life Sciences, 2017
microRNAs (miRNAs) play an important role in osteoblast differentiation. However, the mechanisms of miRNAs regulating osteoblast mineralization still needs to be further cleared.
Han Jianguo, Su Li, Zhang Chunyang, Jiang Rongcai   +3 more
doaj   +1 more source

Hybrid Biofabrication of a Hierarchically Organized Periosteum‐Inspired In Vitro Platform

Advanced Healthcare Materials, EarlyView.
A hybrid biofabrication strategy integrates melt electrowriting with extrusion‐based 3D bioprinting to create a hierarchically organized periosteum‐inspired in vitro platform. Spatially defined osteogenic, fibrous, and endothelial cell‐containing compartments support long‐term culture, osteogenic maturation, and CD31+ endothelial cell organization ...
Yakui Liu, Xinggui Tian, Anne Bernhardt, Anja Lode, Max von Witzleben, Ege Kirbas, Stefan Zwingenberger, Michael Gelinsky   +7 more
wiley   +1 more source

Bone Organoids Across the Development‐to‐Remodeling Continuum: From Tissue Formation to Functional Competence and Translation

Advanced Healthcare Materials, EarlyView.
Mineralization alone does not establish a mature bone organoid. This Review integrates biological foundations, materials design, adaptive remodeling, and translational validation through the development‐to‐remodeling continuum (DRC). By separating biological functions from the evidence supporting them, the framework exposes critical gaps in current ...
Xijie Tang, Haijia Xu, Xiangzhong Liu, Yi Yang, Zhanghua Li   +4 more
wiley   +1 more source

GaSex Nanoparticles Modulate Neutrophil Function and Mitigate NET‐Driven Osteogenic Impairment in Osteomyelitis Therapy

Advanced Materials, EarlyView.
Neutrophil extracellular traps (NETs) emerge as a critical repair‐limiting factor in osteomyelitis, driving osteoblast mitochondrial dysfunction and excessive PINK1/Parkin‐mediated mitophagy. Gallium–selenium nanoparticles (GaSex) scavenge reactive oxygen species, redirect neutrophils from NETosis toward bactericidal phagocytosis, eliminate methicillin‐
Kai Ye, Xuanzhe Liu, Zifan Pei, Chenyi Jiang, Xiaofen Zhang, Lin Lin, Qihang Fang, Binyu Chen, Longxiang Shen, Liang Cheng, Peng Ding, Xianyou Zheng   +11 more
wiley   +1 more source