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Original research
Unhealthy dietary patterns are related to low ceruloplasmin in female nurses
  1. Karolin Abashzadeh1,
  2. M Abshirini1,2,
  3. F Siassi1,
  4. M Qorbani3,
  5. F Koohdani4,
  6. N Farasati1 and
  7. G Sotoudeh1
  1. 1 Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
  2. 2 Students’ Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
  3. 3 Non‑communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
  4. 4 Department of Cellular, Molecular Nutrition, School of Nutritional Sciences and Dietetics, University of Medical Sciences, Tehran, Iran
  1. Correspondence to Dr G Sotoudeh, Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran; gsotodeh{at}tums.ac.ir

Abstract

Background and objective Few studies have examined the relationship between dietary patterns and antioxidant status. We aimed to explore the association between major dietary patterns and oxidative stress biomarkers including serum protein carbonyl (PC), ceruloplasmin and total antioxidant capacity (TAC).

Method In this cross-sectional study, we randomly selected 320 female nurses aged 20–45 years. General information of participants was collected by trained interviewers. Their weight and height were measured and dietary intakes were determined by the 147-food-item semiquantitative food frequency questionnaire. Dietary patterns were derived by principal component analysis of yielding 25 food groups. In this study, 90 subjects were randomly selected from all participants with serum levels of PC, ceruloplasmin and TAC measured further. To determine the association between dietary patterns’ score and oxidative stress biomarkers, multiple linear regression analysis was conducted.

Results Three dietary patterns were derived: healthy, unhealthy and traditional. After adjusting for several confounding factors, the unhealthy dietary pattern was inversely related to the serum concentration of ceruloplasmin and PC (p<0.05). The relationship between other dietary patterns and antioxidant biomarkers was not significant.

Conclusions According to the results of this study, unhealthy dietary patterns may have an adverse effect on serum ceruloplasmin.

  • dietary pattern
  • nurses
  • oxidative stress
  • ceruloplasmin

https://doi.org/10.1136/jramc-2019-001157

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    Footnotes

    • Contributors FS and GS conceived and developed the idea for the paper and revised the manuscript. NF contributed to data collection. KA and MA wrote numerous drafts. MQ and FK contributed to data analysis and interpretation of the data.

    • Funding This study was funded by Tehran University of Medical Sciences and Health Services.

    • Competing interests None declared.

    • Patient consent Obtained.

    • Ethics approval Ethics Committee of Tehran University of Medical Sciences.

    • Provenance and peer review Not commissioned; internally peer reviewed.