ArticleClinical rheumatology2017
BLK pathway-associated rs13277113 GA genotype is more frequent in SLE patients and associated with low gene expression and increased flares.
Article in Clinical rheumatology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it, 5 citations in OpenAlex.
- Polymorphisms of BLK are associated with renal disorder in patients with systemic lupus erythematosus.Journal of human genetics · 2020Pooled it
- Abnormal B Cell Development in Systemic Lupus Erythematosus: What the Genetics Tell Us.Arthritis & rheumatology (Hoboken, N.J.) · 2018Review
- Aberrant T Cell Signaling and Subsets in Systemic Lupus Erythematosus.Frontiers in immunology · 2018Review
- A functional strategy to characterize expression Quantitative Trait Loci.Human genetics · 2017Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We aimed to evaluate the relationship between some important genetic variations and expressions of these genes in our SLE population. We also determined their association with clinical parameters. Eighty-four SLE patients (79 F, 5 M) and 105 healthy controls (98 F, 7 M) were included in the study. rs13277113, rs2736340, rs7829816, rs6983130, rs2613310, and rs704853 polymorphisms, gene expressions of Src family kinases (Blk, Hck, Lck, and Lyn), and Syk kinases (Syk, ZAP70) were studied by real-time PCR. The heterozygous genotypic pattern (GA) for rs13277113 polymorphism was more frequent in patients with SLE when compared to that in controls (48.8 vs. 31.4%, p = 0.035). Other genotype variants were similar in SLE patients and controls. In the SLE group, the heterozygous genotype for rs13277113 was significantly less frequent in active SLE patients (58.8 vs. 26.7%, p = 0.01). SLE flares according to the SELENA-SLEDAI flare index were significantly more frequent in GA (rs13277113) (70 vs. 37%) and CT (rs2736340) genotypes (66.7 vs. 35.2%) than those in other genotypes (p values <0.01). The relative expression of Blk gene was significantly decreased in the SLE group as compared to that in controls (0.52 times, 95%CI 0.19-0.85). The gene expressions of Blk and ZAP70 were significantly lower in SLE patients who had flares according to the SELENA-SLEDAI flare index when compared to those in others (p values 0.01 and 0.017). We observed more frequent heterozygous GA genotypic pattern (rs13277113) in our SLE patients compared to that in controls; and it was associated with disease flares. Blk gene expression in SLE was lower, especially in relapsing patients.
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