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Träfflista för sökning "WFRF:(Salumets Andres) ;lar1:(lu)"

Sökning: WFRF:(Salumets Andres) > Lunds universitet

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1.
  • van der Harst, Pim, et al. (författare)
  • Seventy-five genetic loci influencing the human red blood cell
  • 2012
  • Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 492:7429, s. 369-375
  • Tidskriftsartikel (refereegranskat)abstract
    • Anaemia is a chief determinant of global ill health, contributing to cognitive impairment, growth retardation and impaired physical capacity. To understand further the genetic factors influencing red blood cells, we carried out a genome-wide association study of haemoglobin concentration and related parameters in up to 135,367 individuals. Here we identify 75 independent genetic loci associated with one or more red blood cell phenotypes at P < 10(-8), which together explain 4-9% of the phenotypic variance per trait. Using expression quantitative trait loci and bioinformatic strategies, we identify 121 candidate genes enriched in functions relevant to red blood cell biology. The candidate genes are expressed preferentially in red blood cell precursors, and 43 have haematopoietic phenotypes in Mus musculus or Drosophila melanogaster. Through open-chromatin and coding-variant analyses we identify potential causal genetic variants at 41 loci. Our findings provide extensive new insights into genetic mechanisms and biological pathways controlling red blood cell formation and function.
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2.
  • Merisalu, Ave, et al. (författare)
  • The contribution of genetic variations of aryl hydrocarbon receptor pathway genes to male factor infertility
  • 2007
  • Ingår i: Fertility and Sterility. - : Elsevier BV. - 1556-5653 .- 0015-0282. ; 88:4, s. 854-859
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To determine whether the polymorphisms in aryl hydrocarbon receptor (AHR), aryl hydrocarbon receptor repressor (AHRR), and aryl hydrocarbon receptor nuclear translocator (ARNT) genes are associated with male factor infertility. Design: An association study. Setting: University research laboratory and andrology clinic. Patient(s): The subjects were infertile Estonian men (n = 112) with azoospermia or oligozoospermia and controls (n = 212) with normal sperm parameters. Intervention(s): Blood samples were obtained for DNA extraction and genotyping. Main Outcome Measure(s): AHR (Arg554Lys), AHRR (Pro 185Ala), and ARNT (G/C allele) polymorphisms were genotyped using allele-specific polymerase chain reaction. Allele and genotype frequencies were compared between infertile men and controls and separately in the normozoospermia, oligozoospermia, and azoospermia groups. Result(s): The AHRR Ala185Ala genotype was implicated in susceptibility to male factor infertility. Ala/Ala genotype frequency increased in the following order: normozoospermia (18.0%), oligozoospermia (26.0%), azoospermia (42.1 %). Allele and genotype frequencies of AHR and ARNT polymorphisms were similar between cases and controls. Conclusion(s): We demonstrated that the AHRR Pro185Ala polymorphism contributed to a predisposition to male factor infertility in the Estonian population. A greater prevalence of the Ala/Ala genotype was found among infertile patients.
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