ArticleMolecular biology reports2012
Catalase -262C>T polymorphisms in Hungarian vitiligo patients and in controls: further acatalasemia mutations in Hungary.
Article in Molecular biology reports, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 citing papers in PubMed, 1 synthesis or guideline pooled it, 12 citations in OpenAlex.
- Evaluation ofMedicina (Kaunas, Lithuania) · 2023Pooled it
- Dietary Antioxidants in the Treatment of Male Infertility: Counteracting Oxidative Stress.Biology · 2021Review
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7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Catalase is the main regulator of hydrogen peroxide metabolism. In vitiligo patients there are conflicting data on its activity and no data on the effect of -262C>T polymorphism in the catalase gene. Blood catalase activity, -262C>T polymorphism and acatalasemia mutations were examined in 75 vitiligo patients and in 162 controls, in Hungary. We measured blood catalase activity and conducted analyses with PCR-SSCP, polyacrylamide gel electrophoresis and silver staining in combination with RFLP and nucleotide sequencing. Comparison of the wild (CC) genotype and the mutant (TT) genotype in the vitiligo patients revealed a non significant (P > 0.19) increase in blood catalase. Male controls with the CT genotype had significantly (P < 0.04) lower blood catalase activity than CC genotype controls. Female vitiligo patients with CC genotype had lower (P < 0.04) blood catalase than female controls. The frequency of wild genotype (CC) and C alleles is significantly (P < 0.04) decreased in Hungarian controls when compared to controls in Slovenia, Morocco, UK, Greece, Turkey, USA, China. The detection of a novel acatalasemia mutation (37C>T in exon 9) and the 113G>A (exon 9) mutation in Hungary are further proofs of genetic heterogeneity origin of acatalasemia mutations. In conclusion, the -262 C>T polymorphism has a reverse effect on blood catalase in vitiligo patients and in controls. In controls the mutant genotypes and alleles are more frequent in Hungary than in several other populations. The new acatalasemia mutations are further examples of heterogeneity of acatalasemia.
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