ArticleBMC medical genetics2020
TNF-α - 308 G/A and IFN-γ + 874 A/T gene polymorphisms in Saudi patients with cutaneous leishmaniasis.
Article in BMC medical genetics, 2020. 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, 15 citations in OpenAlex.
- Immunological Activity of Vaccine Systems Containing Liposomal Nanocarriers against Protozoan-induced Diseases: A Systematic Review.Current medicinal chemistry · 2025Pooled it
- The functional TNF-αBreast cancer research and treatment · 2025Article
- IFN-γ gene polymorphisms +874 T/A and +2109 A/G are associated with the serofast state after early syphilis treatment: a prospective observational study.Frontiers in immunology · 2025Observational
- Clinical polymorphism of zoonotic cutaneous leishmaniasis: combination of the clinical and the parasitological diagnosis.Parasitology research · 2024Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
backgroundCutaneous leishmaniasis (CL) is well linked with immunogenetic factors. This study was undertaken to test the association of TNF-α - 308 and IFN-γ + 874 gene polymorphisms with the susceptibility of Leishmania (L) species among CL patients in central region of Saudi Arabia.
methodsThis is a case-control study involved 169 Saudi subjects with different L. species and 199 healthy controls from central region of Saudi Arabia. All subjects were characterized by TNF-α - 308 G/A and IFN-γ + 874 A/T gene polymorphisms using PCR.
resultsEvaluation of genotyping and allelic frequency of TNF-α - 308 G/A in different L. species showed no significant association compared to controls (p > 0.05). Except, in cases of L. tropica that showed significantly higher TNF-α - 308 A versus G allele frequency (p = 0.0004). Evaluation of genotyping of IFN-γ + 874 (TT versus AA+AT recessive) and allelic frequency of IFN-γ + 874 (T versus A) showed significant higher in L. major and also in total CL cases as compared to healthy controls (p < 0.05). Furthermore, a strong association was observed between the susceptibility of L. major, L. tropica or total CL cases with synergistically combined high TNF-α 308/INF-γ 874 alleles.
conclusionsThis is the first report that shows the gene polymorphisms of TNF-α - 308 G/A and IFN-γ + 874 A/T in Saudi patients with different L. species infections. Data showed that the TNF-α-308 G/A gene polymorphism is not associated with the susceptibility of CL in Saudi subjects. The only correlation was found in between A versus G allelic frequency in L. tropica. Importantly, IFN-γ + 874 A/T polymorphism was found to be associated with the susceptibility of L. major and also with total CL subjects. Moreover, data from synergistically combined high TNF-α 308/INF-γ 874 alleles strongly suggest their potential role in the susceptibility of leishmania infection.
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