Distribution of killer cell immunoglobulin-like receptors genes in the Italian Caucasian population
2006

KIR Gene Distribution in Italian Caucasians

Sample size: 217 publication 10 minutes Evidence: moderate

Author Information

Author(s): Bontadini A, Testi M, Cuccia MC, Martinetti M, Carcassi C, Chiesa A, Cosentini E, Dametto E, Frison S, Iannone AM, Lombardo C, Malagoli A, Mariani M, Mariotti L, Mascaretti L, Mele L, Miotti V, Nesci S, Ozzella G, Piancatelli D, Romeo G, Tagliaferri C, Vatta S, Andreani M, Conte R

Primary Institution: S. Orsola-Malpighi Hospital, Bologna, Italy

Hypothesis

What is the genotypic structure of KIR genes in the Italian Caucasian population?

Conclusion

The Italian Caucasian population shows polymorphism of the KIR gene family, with genotype 1 being the most frequent.

Supporting Evidence

  • All 17 KIR genes were observed in the population with different frequencies than other populations.
  • Genotype 1 was the most commonly observed in the Italian population with a frequency of 28.5%.
  • Framework genes KIR3DL3, KIR3DP1, KIR2DL4, and KIR3DL2 were present in all individuals.

Takeaway

This study looked at the genes that help our immune system fight infections in 217 healthy Italians, finding that many have a specific gene pattern.

Methodology

217 DNA samples were studied using a low resolution PCR-SSP kit to identify KIR genes.

Limitations

The study may not represent all Italian populations as it was limited to unrelated healthy individuals from specific regions.

Participant Demographics

Unrelated healthy Italian individuals from northern, central, and southern regions.

Statistical Information

P-Value

p<0.05

Digital Object Identifier (DOI)

10.1186/1479-5876-4-44

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