Osteoarthritis Treatment and Mechanisms

This study combines in silico and in vitro approaches to identify drug targets for osteoarthritis by modeling chondrocyte phenotype transitions and validating predictions in cell lines.

The paper uses single-cell RNA-Seq to map transcriptional programs in synovial joint development, identifying a progenitor population and the role of FGF signaling in chondrocyte fate.

This study investigates the role of IL-15 in post-traumatic knee osteoarthritis in rats and finds no significant structural differences between IL-15 deficient and wild-type rats.

This study shows that Foxc1 and Foxc2 are essential for chondrocyte differentiation and endochondral ossification, with their loss causing skeletal dysplasia and disrupted growth plate organization.

This study tracks meniscus maturation in mice, showing that specialized cellular and matrix features emerge before birth and are refined during postnatal growth.

The paper identifies a Wnt-inhibitory environment maintaining resting zone chondrocytes and shows that Wnt activation disrupts their differentiation into columnar chondrocytes.

This study shows primary cilia regulate postnatal articular cartilage organization by coordinating Indian Hedgehog signaling and mechanical load responses, affecting tidemark patterning and matrix composition.

This study shows that IFT88 deletion leads to reduced cartilage thickness and increased osteoarthritis in mice, with exercise partially reversing these effects.

This study transplants rat perichondrium into cartilage defects, showing it forms hyaline cartilage that integrates with subchondral bone and persists over time.

This study combines bulk and single-cell RNA-seq to identify chondrocyte gene expression in murine knee joints, finding 75 overlapping genes related to cartilage homeostasis and osteoarthritis.

This study identifies age-related matrix stiffness as a driver of decreased α-Klotho in chondrocytes, leading to cartilage degeneration in mice and humans.

This study identifies Creb5 as a transcription factor required for TGF-β and EGFR signaling to induce Prg4 expression in superficial zone articular chondrocytes.

The paper characterizes gene expression responses to biomechanical strain in an in vitro model of osteoarthritis using iPSC-chondrocytes and identifies inter-individual expression differences in response to mechanical strain.

This study shows that deleting both GSK3a and GSK3b in cartilage of juvenile mice causes premature growth plate remodeling, growth retardation, and early death, while articular cartilage is less affected.

The paper identifies 14 genes involved in osteoarthritis using mutant mice and validates their role through functional studies and genome editing.

This study identifies differentially expressed small non-coding RNAs in equine synovial fluid associated with early osteoarthritis and links them to biological processes involved in disease pathogenesis.

This study examines DNA methylation patterns in baboon skeletal tissues to understand their evolutionary relationship with osteoarthritis, finding conserved and divergent epigenetic features compared to humans.

The paper identifies differentially expressed genes in OA subchondral bone and cartilage using RNA sequencing, highlighting IL11 and CHADL as potential druggable targets.

This study identifies Gli1+ cells as a progenitor population in meniscus development and injury repair, showing their therapeutic potential in preventing osteoarthritis.

This study examines the transcriptional response of human chondrocytes to fibronectin fragments, finding similarities to osteoarthritis gene expression patterns.

This study identifies key genes and pathways in synovial fibroblasts of osteoarthritis patients compared to rheumatoid arthritis using bioinformatics analysis.

This study maps the differentiation trajectory of human chondrocytes during postnatal finger epiphysis development using single-cell RNA sequencing, revealing new subpopulations and pathways.

This study derives and compares mesodermal and ectomesodermal chondrocytes from hiPSCs, showing that ectomesodermal-derived chondrocytes better resemble native chondrocytes and have improved cartilage repair capabilities.

This study identifies increased protein interplay in early osteoarthritis and loss in late-stage OA through proteomics profiling of synovial fluid.

This study identifies age-related changes in small non-coding RNA expression in equine chondrocytes and links them to cartilage and osteoarthritis pathways.

This study investigates the functional effects of the OA-associated SNP rs11780978 on PLEC methylation and expression across multiple tissues, revealing tissue-specific impacts.

This study identifies mitochondrial dsRNAs as activators of PKR and TLR3, contributing to chondrocyte degeneration in osteoarthritis.

This study identifies a feedforward mechanism in osteoarthritis where IL-1-induced Piezo1 upregulation enhances mechanotransduction and contributes to cartilage damage.

This study shows that skates maintain chondrogenic activity in adulthood, enabling spontaneous cartilage repair, and identifies progenitor cells involved in this process.

The paper shows that pro-inflammatory cytokines reduce sCLU secretion and expression in cartilage models, suggesting sCLU as a biomarker for cartilage degradation in OA.