Aggrecan, IL-1β, IL-6, and TNF-α profiles in the Articular Cartilage of Miniature Horses with Chondrodysplastic Dwarfism

•Chondrodysplastic dwarfism in miniature horses is caused by five mutation.•Chondrodysplastic dwarfism in miniature horses is an autosomal recessive disorder•Aggrecan, IL-1β, IL-6, and TNF-α RNAm expression in the articular cartilage were assessed.•ACAN gene expression was higher in the dwarf than in normal miniature horses.•Cytokines gene expressions were similar in dwarf and normal miniature horses.