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Mol Biol Rep. 2019 Jun;46(3):2657-2663. doi: 10.1007/s11033-019-04673-2. Epub 2019 Mar 22.

Role of resistin genetic variations in knee osteoarthritis pathogenesis, a cross sectional study.

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Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan.
Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan.
Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan.
Preston Institute of Nano Science and Technology (PINSAT), Preston University, Islamabad, 44000, Pakistan.


Osteoarthritis (OA) is a serious health concern globally and is recognized by degradation of articular cartilage, bone remodeling and synovial inflammation. Resistin is an adipokine that shown to be involved in inflammatory process associated with OA. Aim of the current study was to estimate the link of resistin gene polymorphisms (- 420 C>G, + 299 G>A) with genetic susceptibility of knee OA in a Pakistani population. 280 patients and 308 age and sex matched controls were recruited in this case-control study. Genotype and allele frequencies were evaluated by Polymerase chain reaction-Restriction Fragment Length Polymorphism. Resistin concentration was measured by immunoassay. A significant difference in allele and genotype frequency was observed for both study groups. Resistin - 420 mutant genotype was associated with an increased susceptibility to OA (p = 0.001). Similarly, resistin + 299 GA + AA genotypes showed a relation with an elevated risk of knee OA compared to GG genotype (p = 0.01). Moreover, the mutant alleles frequency was significantly high in patient group as compared to healthy individuals for both loci (p < 0.01). Resistin - 420/+ 299 alleles haplotype analysis demonstrated that mutant alleles were more prevalent in OA affected individuals compared to healthy subjects (p < 0.05). The serum resistin levels were not remarkably different in patient vs. control group (p = 0.9). Further, the circulating resistin level was not found to be influenced by - 420G and + 299A alleles and non significant differences were observed in resistin concentration in mutant vs. wild type genotypes for both SNPs (p > 0.05). Our data suggest an association between investigated resistin genetic variants and knee OA susceptibility in our population. This is the first report to show association between investigated single nucleotide polymorphisms and OA among any population.


Genes; Knee osteoarthritis; Pakistani population; Resistin Single nucleotide polymorphism

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