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Related Experiment Videos

B vitamin status and inflammatory markers.

Aaron R Folsom1, Moïse Desvarieux, F Javier Nieto

  • 1Division of Epidemiology, School of Public Health, University of Minnesota, 1300 South Second Street, Suite 300, Minneapolis, MN 55454-1015, USA. folsom@epi.umn.edu

Atherosclerosis
|July 16, 2003
PubMed
Summary

Low pyridoxal-5'-phosphate (PLP) levels are not strongly linked to inflammation markers like C-reactive protein (CRP) in healthy adults. B-vitamin status showed no significant correlation with most inflammation or clotting factors studied.

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Area of Science:

  • Biochemistry
  • Nutritional Science
  • Cardiovascular Health

Background:

  • Limited evidence suggests a link between low pyridoxal-5 '-phosphate (PLP) and elevated C-reactive protein (CRP).
  • The specificity of this association with other inflammation and hemostasis markers is not well-established.
  • Understanding B-vitamin status in relation to cardiovascular risk markers is crucial for public health.

Purpose of the Study:

  • To investigate the association between plasma and dietary B vitamin levels and various inflammation, endothelial dysfunction, and thrombogenesis markers.
  • To determine if the potential association between PLP and CRP is specific or generalizable to other biomarkers.
  • To examine the relationship between B-vitamin status and markers like CRP, fibrinogen, white blood cell count, and adhesion molecules.

Main Methods:

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  • Cross-sectional analysis of 519 healthy middle-aged adults from the Atherosclerosis Risk in Communities (ARIC) Study.
  • Measured plasma and dietary levels of B vitamins, including PLP and folate.
  • Assessed multiple biomarkers: CRP, fibrinogen, white blood cell count, ICAM-1, VCAM-1, E-selectin, factor VIII, and von Willebrand factor.

Main Results:

  • Plasma PLP was not significantly associated with CRP concentration, contrary to hypothesis.
  • No significant associations were found between von Willebrand factor, ICAM-1, or VCAM-1 and plasma or dietary B vitamin measures.
  • Higher white blood cell count was associated with lower B vitamin status (PLP, folate, dietary B6, B12), independent of vitamin supplement use.

Conclusions:

  • B-vitamin status, including PLP, is not a strong correlate of circulating inflammatory markers, cellular adhesion molecules, or thrombogenic factors in healthy adults.
  • The findings do not support a specific link between low PLP and elevated CRP in this population.
  • Further research may be needed to elucidate complex interactions between nutrition and cardiovascular health markers.