AI Article Synopsis

  • Galectin 1 (Gal1) is linked to immune regulation and is found at higher levels in rheumatoid arthritis patients compared to healthy individuals.
  • The study aimed to identify genetic variants in the Gal1 gene (LGALS1) that influence its expression in early arthritis patients, focusing on three specific genetic markers.
  • Results showed that certain genetic variants correlated with higher Gal1 serum levels and lower IL-6 levels in patients, suggesting that these genetic factors contribute to differences in disease characteristics and treatment responses.

Article Abstract

Galectin 1 (Gal1) exerts immunomodulatory effects leading to therapeutic effects in autoimmune animal models. Patients with rheumatoid arthritis have been reported to show higher Gal1 serum levels than the healthy population. Our study aimed to find genetic variants on the Gal1 gene (LGALS1) modulating its expression and/or clinical features in patients with early arthritis (EA). LGALS1 was sequenced in 53 EA patients to characterize all genetic variants. Then, we genotyped rs9622682, rs929039, and rs4820293, which covered the main genetic variation in LGALS1, in 532 EA patients. Gal1 and IL-6 serum levels were measured by ELISA and Gal1 also by western blot (WB) in lymphocytes from patients with specific genotypes. Once disease activity improved with treatment, patients with at least one copy of the minor allele in rs9622682 and rs929039 or those with GG genotype in rs4820293 showed significantly higher Gal1 serum levels (p < 0.05). These genotypic combinations were also associated with higher Gal1 expression in lymphocytes by WB and lower IL-6 serum levels in EA patients. In summary, our study suggests that genetic variants studied in LGALS1 can explain heterogeneity in Gal1 serum levels showing that patients with higher Gal1 levels have lower serum IL-6 levels.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9266574PMC
http://dx.doi.org/10.3390/ijms23137181DOI Listing

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