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Impact of Gender on the Association between Low Serum Prolactin and Left Ventricular Mass in Subjects with Prediabetes
Mervat M. El-Eshmawy, Enas M. Elkhamisy, Eman Elsayed, Shaheer Kamal
Diabetes Metab J. 2017;41(3):195-204.   Published online June 21, 2017
DOI: https://doi.org/10.4093/dmj.2017.41.3.195
  • 3,440 View
  • 34 Download
  • 4 Web of Science
  • 3 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   
Background

Low circulating prolactin hormone was associated with increased risk for type 2 diabetes mellitus. An inverse association of serum prolactin with cardiac remodeling was also previously suggested. Thus, the first question arises whether low serum prolactin is associated with adverse cardiac remodeling in subjects with prediabetes and if so what the impact of gender is? Second, could serum prolactin be considered a predictor of cardiac morbidity in those subjects? This study was conducted to assess prolactin level variations in relation to echocardiographic indices of cardiac remodeling among adult men and women with prediabetes.

Methods

This cross sectional study enrolled 80 subjects with prediabetic; 40 men and 40 women. Anthropometric measurements, plasma glucose, lipid profile, homeostasis model assessment of insulin resistance, white blood cells count, prolactin and echocardiography were assessed.

Results

Prolactin was significantly lower in men than in women with prediabetes. Left ventricular mass (LVM) was significantly higher in men than in women with prediabetes. The proportion of left ventricular hypertrophy (LVH) in men with prediabetes was 45% compared with 22.5% in women (P=0.03). We also found inverse independent associations of serum prolactin with LVM and LVH in men, but not in women.

Conclusion

In prediabetes, physiologically low serum prolactin is an independent predictor of increased LVM and LVH in adult men, but not in women. Prolactin may be a potential diagnostic biomarker for cardiac remodeling in adult men with prediabetes.

Citations

Citations to this article as recorded by  
  • The influence of diabetes and prediabetes on left heart remodeling: A population-based study
    Tan Li, Guangxiao Li, Xiaofan Guo, Zhao Li, Jun Yang, Yingxian Sun
    Journal of Diabetes and its Complications.2021; 35(2): 107771.     CrossRef
  • The regulatory effect of bromocriptine on cardiac hypertrophy by prolactin and D2 receptor modulation
    Karla Aidee Aguayo-Cerón, Claudia Camelia Calzada-Mendoza, Enrique Méndez-Bolaina, Rodrigo Romero-Nava, María Esther Ocharan-Hernández
    Clinical and Experimental Hypertension.2020; 42(7): 675.     CrossRef
  • Serum Prolactin and Cardiac Remodeling in Subjects with Prediabetes
    Jin Hwa Kim
    Diabetes & Metabolism Journal.2017; 41(3): 168.     CrossRef
Association between Hyperleptinemia and Metabolic Syndrome in an Urban Korean Community.
Jee Young Oh, Young Sun Hong, Yeon Ah Sung
Korean Diabetes J. 2003;27(4):313-322.   Published online August 1, 2003
  • 1,067 View
  • 18 Download
AbstractAbstract PDF
BACKGROUND
To determine whether hyperleptinemia is a principal component of metabolic syndrome in a Korean population using factor analysis. METHODS: Metabolic syndrome was defined by the NCEP-ATP III guideline. An oral glucose tolerance test was performed, and plasma samples for leptin and lipid profiles were collected from 199 men and 426 women who had no history of diabetes, hypertension, dyslipidemia, or of taking lipid-lowering, antihypertensive, or antihyperglycemic medications. RESULTS: Leptin level was correlated with overall and central obesity, blood pressure, and glucose or insulin levels in men and women aged 30 to 83. Before and after adjustment for BMI, leptin level was significantly and positively correlated, in women only, with insulin and with insulin resistance, as assessed by a homeostasis model assessment (HOMA) (Ps<0.0001). Factor analysis identified the following four factors from among the metabolic syndrome variables; an obesity/hyperinsulinemia factor, a glucose intolerance factor, a hypertension factor, and a dyslipidemia factor in men. Leptin was clustered as an obesity/ hyperinsulinemia and a dyslipidemia factor in men. In women, four different groups were found: an obesity/hypertension factor, a glucose intolerance factor, an obesity/dyslipidemia factor, and an obesity/hyperinsulinemia factor. Leptin was clustered as an obesity/hyperinsulinemia factor in women. CONCLUSION: Our research suggests that leptin level is associated with metabolic syndrome in relation to obesity and hyperinsulinemia. Moreover, obesity, as opposed to hyperinsulinemia, is related to hypertension or dyslipidemia in women only, and this gender differences may reflect different roles of central adiposity on metabolic abnormalities.

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