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Related Experiment Video

Updated: May 28, 2026

Standardized Histomorphometric Evaluation of Osteoarthritis in a Surgical Mouse Model

Standardized Histomorphometric Evaluation of Osteoarthritis in a Surgical Mouse Model

Published on: May 6, 2020

Osteochondral alterations in osteoarthritis.

Sunita Suri¹, David A Walsh

¹Arthritis Research UK Pain Centre, Academic Rheumatology, University of Nottingham, Clinical Sciences Building, Nottingham City Hospital, Nottingham, NG5 1PB, UK.

|October 26, 2011

Summary

This summary is machine-generated.

Osteoarthritis (OA) involves early changes at the osteochondral junction, including bone changes, blood vessel, and nerve growth. Understanding these alterations may lead to new OA pain and progression therapies.

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Area of Science:

Orthopedics and Musculoskeletal Research
Cell Biology
Pain Medicine

Background:

Osteoarthritis (OA) is a leading cause of pain and disability, particularly in aging populations.
The pathogenesis of OA is not fully understood, with early changes at the osteochondral junction gaining attention.
Osteochondral alterations may drive pain and structural damage in OA, impacting joint health.

Purpose of the Study:

To review pathological changes occurring at the osteochondral junction in OA.
To explore the potential therapeutic implications of these osteochondral changes for OA treatment.

Main Methods:

Review of existing literature on osteochondral junction pathology in OA.
Analysis of cellular signaling, bone turnover, angiogenesis, and nerve growth at the osteochondral junction.

Main Results:

Osteochondral junction alterations, including loss of integrity and tissue merging, occur early in OA.
These changes involve subchondral bone turnover, angiogenesis, and sensory nerve invasion into articular cartilage.
Cross-talk between cells across the osteochondral junction contributes to pathological changes.

Conclusions:

The osteochondral junction is a critical site for OA pathogenesis.
Understanding these early pathological changes offers potential therapeutic targets for OA management.
Similarities with other diseases suggest existing therapeutic strategies may be adaptable for OA.