Correlation between Insulin Resistance and Steroid Endometrial Receptors, KI-67 and BCL-2 after Menopause
Journal Title: Women's Health Science Journal - Year 2017, Vol 1, Issue 1
Abstract
Introduction: After menopause, the distribution of weight gain and fat deposits may be altered, with a predominance of abdominal fat. This fat has been correlated with the appearance of metabolic and neoplastic diseases. In the endometrium, proliferative lesions may be mediated by steroid endometrial receptors. The aim of this study was to evaluate the association between steroid receptors, proliferation and apoptotic factors and the presence of insulin resistance (IR) in women after menopause. Methods: The experimental design was an observational cross-sectional study of 85 postmenopausal women. The average age of the women was of 56.8 years (SD= 6.5) with an average menopause period of 81.5 months (SE = 6.39). An atrophic endometrial specimen was collected from asymptomatic, post-menopausal women. An endometrial sample was collected and the expression of estrogen (ER), progestogen (PR) and insulin growth factor-1 (IGF-1R) receptors, as well as Ki-67 and Bcl-2, was evaluated and their correlation with IR was assessed. Results: There was marked expression of ER (94.1%), PR (80%) and IGF-1R (78.8%) in endometrial glands. There was a correlation between the HOMA-IR index and stromal ER (p=0.378) and PR (p=0.0083) expression, as well as a correlation between ER and the expression of Ki-67 (p=0.253) and Bcl-2 (p<0.05). Conclusion: These results suggest that IR may stimulate the expression of endometrial receptors, thereby contributing to an increased risk of endometrial proliferative diseases.
Authors and Affiliations
Galvão Wolff LP*, Vassallo J, Benetti Pinto CL, Angerami Yela D and Urbano Monteiro IM
Keywords
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- EP ID EP745773
- DOI 10.23880/whsj-16000104
- Views 31
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