Abstract
The main goal of the present study is to compare the serum pro- and anti-inflammatory cytokines and growth factor profile (IL-1α, IL-1β, IL-2, IL-6, IL-8, IFN-γ, MCP-1, TNF-α, IL-10, IL-4, VEGF, and EGF) in individuals with diabetes or pre-diabetes and control subjects matched for age and gender. This study included 270 normal control subjects, 41 pre-diabetics, and 104 diabetic subjects. Demographic and anthropometric characteristics and serum biochemistry parameters, smoking status, and blood pressure were determined. Serum cytokine and growth factor measurements were performed using a multiplex biochip array based method. After removing the effects of confounders such as age, sex, smoking, BMI, serum triglyceride and cholesterol, hypertension, and treatment with anti-diabetic drugs, serum IL-4 (p = 0.015), IL-1α (p = 0.031), and VEGF (p = 0.012) were significantly associated with the presence of diabetes mellitus. The presence of pre-diabetes was positively associated with serum IL-4 (p < 0.001), and IL-1α (p = 0.026). We have found a positive association between serum IL-1α, and IL-4, and a negative association of serum VEGF with the presence of diabetes, or pre-diabetes.
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Acknowledgements
This study was conducted as a M.Sc. degree thesis with financial support provided by the Research Council at the Mashhad University of Medical Sciences, Mashhad, Iran. The authors would like to express their sincerest thanks to the patients and their family members who volunteered to participate in this study.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the Mashhad University of Medical Sciences research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Informed consent was obtained from all individual participants included in the study.
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Mahdipour, E., Azizian, M., Mirhafez, S.R. et al. Relationship between serum pro- and anti-inflammatory cytokine and growth factor concentrations with the age and gender adjusted prevalence of diabetes and pre-diabetes. Int J Diabetes Dev Ctries 37, 313–319 (2017). https://doi.org/10.1007/s13410-016-0538-x
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DOI: https://doi.org/10.1007/s13410-016-0538-x