Arthritic Inflammatory Pain
At MD Biosciences, we offer the monosodium iodoacetate (MIA) model for osteoarthritis pain, and the collagen-induced arthritis (CIA) model for rheumatoid arthritis pain. These models include both inflammatory and neuropathic pain components. We provide models in rats and joint inflammation models in pigs, enabling comprehensive studies of pain mechanisms.
Inflammatory Pain Models:
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MIA-Induced Osteoarthritis
The MIA model mimics osteoarthritis by inducing an inflammatory reaction that leads to cartilage damage and degradation, resulting in chronic neuronal damage. The MIA osteoarthritis model is offered in rodents and the joint inflammation model is offered in pigs.
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Collagen-Induced Arthritis (CIA)
The CIA model mimics the pathophysiology of rheumatoid arthritis. The CIA model is commonly used in rodents, particularly mice and rats, to study autoimmune arthritis and to evaluate potential therapeutic interventions.
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Collagen Antibody-Induced Arthritis (CAIA)
The CAIA model closely mimics the acute phase of rheumatoid arthritis to investigate the mechanisms of arthritis and to test the efficacy of potential therapeutic agents.
Scientific Data
Response to von Frey in the rat MIA-induced OA model. Positive controls have an increased withdrawal 14 days after treatment.
MIA-induced OA Datasheet
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Assessments
Behavior
Pain behavior tests include dynamic open field, weight bearing or limp score, hyperalgesia and others dependent on species.
Biomarkers
Evaluate pro-inflammatory and anti-inflammatory biomarkers from CSF samples.
Histology
IHC and histological staining to evaluate inflammatory markers in the paw skin.