Results 171 to 180 of about 213,570 (404)

Hypoxia promotes redifferentiation and suppresses markers of hypertrophy and degeneration in both healthy and osteoarthritic chondrocytes

Arthritis Research & Therapy, 2013
IntroductionHypoxia is considered to be a positive influence on the healthy chondrocyte phenotype and cartilage matrix formation. However, hypoxia-inducible factors (HIFs) have been implicated in the pathogenesis of osteoarthritis (OA). Thus, we assessed
B. D. Markway, Holly Cho, B. Johnstone
semanticscholar   +1 more source

Chondrogenic potential of human articular chondrocytes and skeletal stem cells: a comparative study

, 2014
Regenerative medicine strategies have increasingly focused on skeletal stem cells (SSCs), in response to concerns such as donor site morbidity, dedifferentiation and limited lifespan associated with the use of articular chondrocytes for cartilage repair.
Li, Siwei, Oreffo, Richard O.C., Sengers, Bram G., Tare, Rahul S.   +3 more
core   +1 more source

Bacterial Capture‐Killing Capsules with Remodeling Bone Immune Microenvironment for the Effective Treatment of Osteomyelitis

Advanced Science, EarlyView.
The PC‐O@TOB capsules are designed to exhibit bactericidal effects, regulate the bone immune microenvironment by promoting M2 macrophage polarization, eliminate excessive ROS, and enhance bone regeneration, providing a novel multi‐dimensional approach for the treatment of osteomyelitis.
Dong Yang, Chang Shu, Chengwei Xu, Xingjie Zan, Shaoyin Wei, Chenglong Wang, Lianxin Li   +6 more
wiley   +1 more source

One-Step Formation of Chondrocytes through Direct Reprogramming via Polysaccharide-Based Gene Delivery

Advances in Polymer Technology, 2019
An innovative strategy for the generation of chondrocytes was thoroughly studied in this paper. Polyetherimide-modified polysaccharides of Porphyra yezoensis (pmPPY) served as a nonviral gene vector and delivered Sox9 plasmid to directly reprogram mouse ...
Qingtong Yu, Yan Wang, Xia Cao, Wenwen Deng, Michael Adu Frimpong, Jiangnan Yu, Ximing Xu   +6 more
doaj   +1 more source

Global existence of weak solutions to a cell migration and (de)differentiation model with double haptotaxis in the context of tissue regeneration [PDF]

arXiv
We study a model for the spread and (de)differentiation of mesenchymal stem cells and chondrocytes in a scaffold whose fibers are coated with hyaluron. The chondrocytes produce new extracellular matrix, which, together with hyaluron, serves as haptotactic cue for the stem cell migration.
arxiv  

Kinsenoside‐Loaded Microneedle Accelerates Diabetic Wound Healing by Reprogramming Macrophage Metabolism via Inhibiting IRE1α/XBP1 Signaling Axis

Advanced Science, EarlyView.
Gut metabolite trimethylamine N‐oxide accumulates in the diabetic wound area to amplify macrophage inflammation via enhancing glycolysis activities. Kinsenoside induces macrophage repolarization from M1 to M2 phenotype through inhibiting IRE1α/XBP1 pathway, followed by HIF‐1α‐glycolysis axis repression and mitophagy‐oxidative phosphorylation axis ...
Li Lu, Jiewen Liao, Chao Xu, Yuan Xiong, Juan Zhou, Guangji Wang, Ze Lin, Kangkang Zha, Chuanlu Lin, Ruiyin Zeng, Guandong Dai, Qian Feng, Bobin Mi, Guohui Liu   +13 more
wiley   +1 more source

Cartilage‐Penetrating Framework Nucleic Acid Nanoparticles Ameliorate Osteoarthritis by Promoting Drug Delivery and Chondrocyte Uptake

Advanced Science, EarlyView.
Based on the poor cartilage penetration of tFNA, a novel tFNA‐2WL with excellent cartilage permeability and perfect chondrocyte endocytosis properties is designed and fabricated. As a result, tFNA‐2WL has a nearly seven‐fold increase in the penetration depth into the cartilage, with the same excellent cell entry properties as tFNA.
Kui Huang, Qiumei Li, Huixuan Lin, Qian Shen, Yaping Wu, Taoran Tian, Chuan Ma, Sirong Shi, Jingang Xiao, Yunfeng Lin   +9 more
wiley   +1 more source

EFFECT OF EXTRACELLULAR CHONDROITIN SULFATE ON CULTURED CHONDROCYTES [PDF]

, 1974
Dongyan Huang
openalex   +1 more source

Inhibition of Heat Shock Protein 90β by Catalpol: A Potential Therapeutic Approach for Alleviating Inflammation‐Induced Cartilage Injuries in Osteoarthritis

Advanced Science, EarlyView.
The schematic diagram delineates the chondroprotective effects of Ca‐bMSN in OA models. The upper portion of the diagram depicts the synthesis process of Ca‐bMSN. The lower section illustrates the post‐injection of Ca‐bMSN in joint cavity, catalpol released and subsequently mediates the reduction of oxidative stress, ECM catabolism, apoptosis, and ...
Zhenwei Zhou, Binghua Zhang, Lang Liu, Jie Yang, Yuting Wang, Cheng Lv, He Zhang, Yuchi Wei, Zhanliang Jiang, Zeyu Peng, Daqing Zhao, Xiangyang Leng, Xiangyan Li, Hang Su, Haisi Dong   +14 more
wiley   +1 more source

A hybrid cellular automaton model of cartilage regeneration capturing the interactions between cellular dynamics and scaffold porosity [PDF]

arXiv, 2018
To accelerate the development of strategies for cartilage tissue engineering, models are necessary to study the interactions between cellular dynamics and scaffold (SC) porosity. In experiments, cells are seeded in a porous SC where over a month, the SC slowly degrades while cells divide and synthesize extracellular matrix (ECM) constituents. We use an
arxiv