Abstract
Background
Polycystic ovary syndrome (PCOS), a highly prevalent endocrinopathy is currently being designated as chronic low grade inflammatory state. IL-1β, IL-1Ra and FABP1 are critical mediators of inflammatory processes and are speculated to play a role in the pathogenesis of PCOS. The aim of this study was to study the association of IL-β, IL-1Ra and FABP1 gene polymorphisms with PCOS and related metabolic features.
Subjects
95 PCOS and 45 age matched healthy control subjects were enrolled in this study.
Methods
Polymorphism in genes IL-1β, IL-1Ra and FABP1 was studied by PCR, PCR–RFLP and sequencing methods, respectively. Hormonal and lipid profiles were evaluated for all the subjects.
Results
Hormonal and lipid profiles showed significant differences between PCOS and control subjects. Allele and genotype frequencies of IL-1β, IL-1Ra and FABP1 gene polymorphisms did not vary between the control and PCOS group. However, T allele of C[-511]T variant of IL-1β, allele II in intron 2 of IL-1Ra and A allele of A/G variant of FABP1 (rs2197076) showed significant association with many metabolic features associated with PCOS.
Conclusions
Polymorphism in genes encoding cytokines and proteins involved in lipid metabolism can provide insights into the genetics of the disease and may contribute to assess the associated risk of cardiovascular diseases (CVD), dyslipidemia and metabolic syndrome (MetS) associated with PCOS.
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Acknowledgements
We acknowledge the support provided by BD Biosciences FACS Academy housed at Jamia Hamdard, New Delhi, India. We are also thankful to Ms. Meena Lakhanpal, SRF at National Institute of Pathology(NIOP), New Delhi, India for her help in sequencing experiments. We also sincerely acknowledge Department of Biotechnology, Faculty of Science, Jamia Hamdard for providing infrastructural support.
Author contributions
NR collected blood samples and clinical details of subjects, conducted the experiments, did data collection, tabulation and statistical analysis and wrote the manuscript; AN clinical coordinator of the study and analyzed the data; PS analyzed the data and reviewed the manuscript; SKJ analyzed the data and reviewed the manuscript; SW designed the study, provided set-up and research facilities, analyzed and interpreted the data. Also, SW reviewed and finalized the manuscript. All authors read and approved the final manuscript.
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The study was supported by University Grants Commission (UGC) by providing fellowship to Nadia Rashid under CSIR-UGC NET JRF Scheme [23/06/2013(i)EU-V].
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No conflict of interests between the authors.
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Rashid, N., Nigam, A., Saxena, P. et al. Association of IL-1β, IL-1Ra and FABP1 gene polymorphisms with the metabolic features of polycystic ovary syndrome. Inflamm. Res. 66, 621–636 (2017). https://doi.org/10.1007/s00011-017-1045-3
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DOI: https://doi.org/10.1007/s00011-017-1045-3