Macrophage-Stimulating 1 Polymorphism rs3197999 in Pediatric Patients with Inflammatory Bowel Disease

Autor: Jan Brylak, Jan K. Nowak, Emilia Dybska, Aleksandra Glapa-Nowak, Jarosław Kierkuś, Marcin Osiecki, Aleksandra Banaszkiewicz, Andrzej Radzikowski, Anna Szaflarska-Popławska, Jarosław Kwiecień, Anna Buczyńska, Jarosław Walkowiak
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Medicina, Vol 60, Iss 8, p 1243 (2024)
Druh dokumentu: article
ISSN: 1648-9144
1010-660X
DOI: 10.3390/medicina60081243
Popis: Background and Objectives: Inflammatory bowel disease (IBD), which includes Crohn’s disease (CD) and ulcerative colitis (UC), often necessitates long-term treatment and hospitalizations and also may require surgery. The macrophage-stimulating 1 (MST1) rs3197999 polymorphism is strongly associated with the risk of IBD but its exact clinical correlates remain under investigation. We aimed to characterize the relationships between the MST1 rs3197999 genotype and the clinical characteristics in children and adolescents with IBD within a multi-center cross-sectional study. Materials and Methods: Clinical data included serum C-reactive protein (CRP), albumin, activity indices (PUCAI, PCDAI), anthropometric data, pharmacotherapy details, surgery, and disease severity. Genotyping for rs3197999 was carried out using TaqMan hydrolysis probes. Results: The study included 367 pediatric patients, 197 with Crohn’s disease (CD) (40.6% female; a median age of 15.2 years [interquartile range 13.2–17.0]) and 170 with ulcerative colitis (UC) (45.8% female; a median age of 15.1 years [11.6–16.8]). No significant relationships were found between MST1 genotypes and age upon first biologic use, time from diagnosis to biological therapy introduction, PUCAI, PCDAI, or hospitalizations for IBD flares. However, in IBD, the height Z-score at the worst flare was negatively associated with the CC genotype (p = 0.016; CC: −0.4 [−1.2–0.4], CT: −0.1 [−0.7–0.8], TT: 0.0 [−1.2–0.7)]). The TT genotype was associated with higher C-reactive protein upon diagnosis (p = 0.023; CC: 4.3 mg/dL [0.7–21.8], CT 5.3 mg/dL [1.3–17.9], TT 12.2 mg/dL [3.0–32.9]). Conclusions: This study identified links between MST1 rs3197999 and the clinical characteristics of pediatric IBD: height Z-score and CRP. Further studies of the associations between genetics and the course of IBD are still warranted, with a focus on more extensive phenotyping.
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