EXPRESSION OF MARKERS OF HYPOXIA, ANGIOGENESIS, AS MICROCIRCULATORY-TISSUE FACTORS IN PROLIFERATIVE PROCESSES OF THE ENDOMETRIUM
DOI:
https://doi.org/10.11603/24116-4944.2020.2.11863Keywords:
endometrial hyperplasia, atypical endometrial hyperplasia, HIF-1α, VEGF, malignancyAbstract
The aim of the study – to learn the expression of VEGF and HIF-1α in physiological, hyperplastic, atypical endometrium at different ages of women.
Materials and Methods. Evaluation of VEGF expression and HIF-1α performed in endometrial tissue samples in 458 women of late reproductive, perimenopausal and postmenopausal age. Expression of VEGF and HIF-1α was performed at the mRNA level by polymerase chain reaction of cDNA obtained by reverse transcription. The results were processed by the method of variation statistics with the assessment of reliability according to the Student's criterion using standard computer systems.
Results and Discussion. Analyzing the data of the presented work, higher VEGF expression rates were found in atypical hyperplasia in all age categories, but probably higher rates were found in the postmenopausal period, in atypical endometrial hyperplasia, which indicates the need for vigilance in detecting this process in the appropriate age category. Studies have shown that HIF-1α can potentiate the activation of vasomotor genes that are required for the vascular response to hypoxia. These studies demonstrate the informativeness of the method of determining HIF-1α in the examination of patients with endometrial hyperplastic processes (EHP). The introduction of this method in practical medicine will not only understand the details of the changes occurring in the body (pathological, physiological), but also develop strategic maneuvers for possible therapeutic or surgical treatments.
Conclusions. Expression of VEGF and HIF-1α levels in endometrial tissue cells as a marker can be a promising method for diagnosing the risk of proliferative conditions and their prognosis, especially in combination with other markers that characterize immunohistochemical and molecular genetic cellular parameters. Hypoxia and its relationship with indicators of angiogenesis may have some promising significance. Because the development of pathological conditions develops at a certain stage of hypoxic conditions. Under certain conditions, as a result of disruption of tissue processes, possibly metabolic, changes in angiogenesis are reduced with increasing hypoxia, which may in the long run provoke atypical disorders.
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