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Association of MMP9 and NOS3 Polymorphisms with Distinct Clinical Forms of Juvenile Scleroderma and Characteristics of Humoral Immunity
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Association of MMP9 and NOS3 Polymorphisms with Distinct Clinical Forms of Juvenile Scleroderma and Characteristics of Humoral Immunity
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Journal Article
Association of MMP9 and NOS3 Polymorphisms with Distinct Clinical Forms of Juvenile Scleroderma and Characteristics of Humoral Immunity
2026
Overview
Juvenile scleroderma (JS), comprising localized (JLSd) and systemic (JSSc) forms, is a rare autoimmune disorder. This study investigated associations of polymorphisms in extracellular matrix (MMP1, MMP9) and vascular homeostasis (NOS3) genes with JS risk and immunological phenotypes. A case–control study involved 215JS patients (194 JLSd, 21 JSSc) and 72 controls. SNPs (MMP1 rs1799750, MMP9 rs3918242, NOS3 rs1799983) were genotyped using real-time PCR followed by minisequencing and mass spectrometric analysis of reaction products. Associations with disease risk, subtypes, and immunological markers were analyzed statistically. The MMP9 (rs3918242) CT genotype was significantly associated with JLSd (OR = 2.23, 95% CI: 1.14–4.37, p = 0.022), showing a trend in linear facial forms. The NOS3 (rs1799983) GG genotype demonstrated a trend toward association with JSSc (OR = 2.61, 95% CI: 0.92–7.37, p = 0.065). No significant associations were found for rs1799750 MMP1 and risk of disease development. The MMP9 risk genotype did not correlate with scleroderma-specific autoantibodies, while the NOS3 GG genotype was associated with lower serum levels of anti-collagen IV antibodies (p = 0.039). Genetic associations differ for JS subtypes: MMP9 with JLSd and NOS3 with JSSc. Children with CT polymorphism MMP9 (rs3918242) and with NOS3 (rs1799983) GG genotype were found to be genetically predisposed for the development of JS.
Publisher
MDPI AG,Multidisciplinary Digital Publishing Institute (MDPI)
Subject
/ Child
/ Collagen
/ Disease
/ Female
/ Genes
/ Genetic Predisposition to Disease
/ Genotype
/ Humans
/ Immunity, Humoral - genetics
/ Male
/ Matrix Metalloproteinase 9 - genetics
/ Nitric Oxide Synthase Type III - genetics
/ Patients
/ Polymorphism, Single Nucleotide
/ Scleroderma, Localized - genetics
/ Scleroderma, Localized - immunology
/ Scleroderma, Systemic - genetics
/ Scleroderma, Systemic - immunology
/ Trends
