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By N. V. Kipich, N. V. Kulagina, A. B. Chukhlovin, K. A. Syssoev and Areg A. Totolian


<p><strong>А</strong><strong>bstract.</strong>  Endometrial  hyperplasia  (EH)  represents  an  excessive  increase  in  thickness  and  volume  of proliferating endometrium accompanied by altered glandular structure. This disorder is higly prevalent among women in their premenopausal period. There exist only scarce data concerning possible role of chemokines and their receptors in EH pathogenesis and clinical course. Hence, the aim of our study was to analyze mRNA expression  of  several  key  chemokines  and  their  receptors  in  endometrial  tissue  samples  from  EH  patients. This work included sixty-three women with disturbed menstrual  cycle  and/or  pathological  changes  of endometrium, as assessed by sonographic studies. The patients were 32 to 61 years old (a mean of 48.4±0.6 years). The levels of mRNA expression were determined by  gene-specific  PCR  in  a  semiquantitative  manner,  whereas promoter genotypes of matrix metalloproteinases (ММР1 -16071G/2G and ММР3 -11715А/6A) were identified by means of allele-specific PCR. Results of the study included a significant increase of mRNA for MIP-1α, eotaxin 2, along with decreased amounts of mRNA for CCR-3 (a specific receptor for eotaxins), in polyps developing from hyperplastic endometrium. MIP-1α synthesis fades away with increasing age. An increased level of MIP-1β was shown in prolonged and recurrent disturbances of menstrual cycle, whereas elevation of MIP-1α and CXCR-1 was registered in cases of multiple pregnancies. In threatening abortions, an increase of MIP-1β gene expression was revealed. Hence, the local chemokine system reacts to inflammatory and hemorrhagic complications with increased mRNA expression of certain chemokine genes. Determination of the chemokine mRNA levels, as well as their receptors in patients with endometrial hyperplasia may reflect a general background of this disorder. (<strong><em>Med. Immunol., 2011, vol. 13, N 2-3, pp 189-196</em></strong>)</p

Topics: гиперплазия эндометрия, хемокины, рецепторы хемокинов, синтез мРНК, Immunologic diseases. Allergy, RC581-607
Publisher: SPb RAACI
Year: 2011
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