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PLoS One. 2015 Jun 16;10(6):e0130016. doi: 10.1371/journal.pone.0130016. eCollection 2015.

The Relationship between Zinc Status and Inflammatory Marker Levels in Rural Korean Adults Aged 40 and Older.

Author information

1
Department of Preventive Medicine, College of Medicine, Hanyang University, Seoul, South Korea; Institute for Health and Society, Hanyang University, Seoul, South Korea.

Abstract

BACKGROUND:

Serum cytokines and C-reactive protein (CRP) are known as one of the major risk factors in atherosclerosis. The antioxidant and anti-inflammatory properties of zinc have been suggested, but few data are available on the relationship between zinc status and inflammatory markers in epidemiological studies.

OBJECTIVE:

The present study aims to investigate the cross-sectional relationships of serum cytokines and CRP with dietary zinc intake and serum zinc levels in healthy men and women aged 40 and older in rural areas of South Korea.

MATERIALS AND METHODS:

A group of 1,055 subjects (404 men, 651 women) was included in dietary zinc analysis while another group of 695 subjects (263 men, 432 women) was included in serum zinc analysis. Serum IL-6, TNF-α, and CRP were measured as inflammatory markers.

RESULTS:

There was no significant inverse relationship between dietary zinc intake and inflammatory markers. We found a significant inverse relationship between serum zinc levels and all three inflammatory markers in women (P for trend = 0.0236 for IL-6; P for trend = 0.0017 for TNF-α; P for trend = 0.0301 for CRP) and between serum zinc levels and a single inflammatory marker (IL-6) in men (P for trend = 0.0191), although all R2 values by regression were less than 10%.

CONCLUSION:

In conclusion, serum zinc levels may be inversely related to inflammatory markers (IL-6, TNF-α, and CRP), particularly in women.

PMID:
26080030
PMCID:
PMC4469681
DOI:
10.1371/journal.pone.0130016
[Indexed for MEDLINE]
Free PMC Article

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