Age-related matrix stiffening epigenetically regulates α-Klotho expression and compromises chondrocyte integrity

H Iijima, G Gilmer, K Wang, AC Bean, Y He… - Nature …, 2023 - nature.com
Extracellular matrix stiffening is a quintessential feature of cartilage aging, a leading cause
of knee osteoarthritis. Yet, the downstream molecular and cellular consequences of age …

[HTML][HTML] OA foundations–experimental models of osteoarthritis

S Zaki, CL Blaker, CB Little - Osteoarthritis and Cartilage, 2022 - Elsevier
Osteoarthritis (OA) is increasingly recognised as a disease of diverse phenotypes with
variable clinical presentation, progression, and response to therapeutic intervention. This …

Cartilage-specific Sirt6 deficiency represses IGF-1 and enhances osteoarthritis severity in mice

JA Collins, CJ Kim, A Coleman, A Little… - Annals of the …, 2023 - ard.bmj.com
Objectives Prior studies noted that chondrocyte SIRT6 activity is repressed in older
chondrocytes rendering cells susceptible to catabolic signalling events implicated in …

Age‐associated changes in knee osteoarthritis, pain‐related behaviors, and dorsal root ganglia immunophenotyping of male and female mice

T Geraghty, AM Obeidat, S Ishihara… - Arthritis & …, 2023 - Wiley Online Library
Objective Osteoarthritis (OA) is a leading cause of chronic pain, yet OA pain management
remains poor. Age is the strongest predictor of OA development, and mechanisms driving …

The cGAS-STING pathway affects vertebral bone but does not promote intervertebral disc cell senescence or degeneration

OK Ottone, CJ Kim, JA Collins, MV Risbud - Frontiers in immunology, 2022 - frontiersin.org
The DNA-sensing cGAS-STING pathway promotes the senescence-associated secretory
phenotype (SASP) and mediates type-I interferon inflammatory responses to foreign viral …

Evaluation of cartilage integrity following administration of oral and intraarticular nifedipine in a murine model of osteoarthritis

V Aleksiuk, J Baleisis, G Kirdaite, I Uzieliene… - Biomedicines, 2023 - mdpi.com
Osteoarthritis (OA) ranks as the prevailing type of arthritis on a global scale, for which no
effective treatments are currently available. Arterial hypertension is a common comorbidity in …

[HTML][HTML] Streamlining quantitative joint-wide medial femoro-tibial histopathological scoring of mouse post-traumatic knee osteoarthritis models

P Haubruck, R Heller, CL Blaker, EC Clarke… - Osteoarthritis and …, 2023 - Elsevier
Objectives Histological scoring remains the gold-standard for quantifying post-traumatic
osteoarthritis (ptOA) in animal models, allowing concurrent evaluation of numerous joint …

A whole‐joint histopathologic grading system for murine knee osteoarthritis

CW Grote, MJ Mackay, Q Lu, X Liu… - Journal of …, 2023 - Wiley Online Library
This study aims to develop a comprehensive and easily executable histopathologic grading
scheme for murine knee osteoarthritis (OA) using specific scoring criteria for both cartilage …

Overexpression of Peroxiredoxin 3 in Cartilage Reduces the Severity of Age‐Related Osteoarthritis But Not Surgically Induced Osteoarthritis in Mice

RF Loeser, PR Coryell, AR Armstrong… - ACR Open …, 2022 - Wiley Online Library
Objective The study objective was to determine whether overexpression of the mitochondrial
antioxidant peroxidase, peroxiredoxin 3 (Prx3), reduces the severity of osteoarthritis (OA) in …

A network medicine approach to elucidate mechanisms underlying menopause-induced knee osteoarthritis

G Gilmer, H Iijima, N Jackson, Z Hettinger, AC Bean… - bioRxiv, 2023 - biorxiv.org
Post-menopausal women present with the highest incidence and morbidity of knee
osteoarthritis (KOA), but no disease-modifying therapies are available. This treatment gap …