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2009 | 50 | 2 |

Tytuł artykułu

Sequence variants of chemokine receptor genes and susceptibility to HIV-1 infection

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Genetic susceptibility to HIV infection was previously proven to be influenced by some chemokine receptor polymorphisms clustering on chromosome 3p21. Here the influence of 5 genetic variants was studied: Δ32 CCR5, G(-2459)A CCR5, G190A CCR2, G744A CX3CR1 and C838T CX3CR1. They were screened in a cohort of 168 HIV-1 positive adults [HIV(+) group] and 151 newborns [control group] from northwestern Poland. PCR-RFLP was performed to screen for the variants (except for Δ32 CCR5 polymorphism, where PCR fragment size was sufficient to identify the alleles) and then electrophoresed on agarose gel to determine fragment size. Distribution of genotypes and alleles was not significantly different between the groups except for the CCR5 polymorphisms, with the Δ32 allele and the (-2459)A CCR5 allele more frequent among neonates than in the HIV(+) group. No Δ32/Δ32 homozygotes were found in the HIV(+) group, but 16.1% were Δ32/wt heterozygotes. In the control group, 1.3% were Δ32/Δ32 homozygotes and 26.0% were Δ32/wt heterozygotes. Linkage between the chemokine polymorphisms was calculated using the most informative loci for haplotype reconstruction. Haplotypes containing Δ32 CCR5,190G CCR2 and 744A CX3CR1 were found to be significantly more common in the control group. This suggests an association between these haplotypes and resistance to HIV-1 infection.

Słowa kluczowe

Wydawca

-

Rocznik

Tom

50

Numer

2

Opis fizyczny

p.159-166,fig.,ref.

Twórcy

autor
  • Department of Infectious Diseases and Hepatology, Pomeranian Medical University, Arkonska 4, 71-455 Szczecin, Poland
  • Department of Infectious Diseases and Hepatology, Pomeranian Medical University, Arkonska 4, 71-455 Szczecin, Poland
  • Department of Laboratory Diagnostics & Molecular Medicine, Pomeranian Medical University, Szczecin, Poland
autor
  • Department of Laboratory Diagnostics & Molecular Medicine, Pomeranian Medical University, Szczecin, Poland
  • Department of Laboratory Diagnostics & Molecular Medicine, Pomeranian Medical University, Szczecin, Poland
autor
  • Department of Neonatology, Pomeranian Medical University, Szczecin, Poland
  • Department of Infectious Diseases and Hepatology, Pomeranian Medical University, Arkonska 4, 71-455 Szczecin, Poland
  • Department of Laboratory Diagnostics & Molecular Medicine, Pomeranian Medical University, Szczecin, Poland

Bibliografia

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Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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