Human neutrophil peptide-1 decreases during ageing in selected Mexican population.

Abstract:

:Antimicrobial peptide innate immunity plays a central role in the susceptibility to infectious diseases, as has been described extensively in different settings. However, the role that these molecules play in the immunity mediated by polymorphonuclear phagocytes as part of the innate immunity of ageing individuals has not been described. In the present study, we addressed the question whether antimicrobial activity in polymorphonuclear cells from elderly individuals was altered in comparison with young adults. We compared phagocytosis index, bacterial killing efficiency, myeloperoxidase activity and cathelicidin expression. Results showed that there were no statistical differences among groups. However, human neutrophil peptide-1 (HNP-1) was decreased in the elderly individuals group. Results suggest that the decreased HNP-1 production in the polymorphonuclear phagocytes form elderly individuals might have an important participation in the increased susceptibility to infectious diseases.

journal_name

Immunol Res

journal_title

Immunologic research

authors

Rivas-Santiago B,Castañeda-Delgado JE,de Haro-Acosta J,Torres-Juarez F,Frausto-Lujan I,Marin-Luevano P,González-Amaro R,Enciso-Moreno JA

doi

10.1007/s12026-015-8689-2

subject

Has Abstract

pub_date

2016-04-01 00:00:00

pages

445-54

issue

2

eissn

0257-277X

issn

1559-0755

pii

10.1007/s12026-015-8689-2

journal_volume

64

pub_type

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