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Chronic kidney disease and the involvement of estrogen hormones in its pathogenesis and progression.

The kidney is under the influence of sexual hormones. Estrogens have a favourable role in the progression of some chronic renal diseases. Estrogen hormones act upon the nephron component cells, regulating several processes going on at this level. One of the most important actions of the estrogens is represented by the protective effect on the kidneys, estrogens attenuating glomerulosclerosis and tubulo-interstitial fibrosis. Thus, estrogens have nephroprotective effects. Phosphorus-calcium metabolism disturbances during chronic kidney disease are influenced by numerous regulatory factors: parathormone, vitamin D fibroblast growth factor, 23. Estrogens play an important part in disturbances of the phosphorus-calcium metabolism, co-operating with these factors. They exert favourable effects on renal osteodystrophy, the main consequence of phosphorus-calcium disturbances. Hormonal dysfunction in chronic kidney disease is clinically accompanied by sexual dysfunction that influences the life quality of these patients. In advanced stages of chronic kidney disease, especially in dialysed patients, these sexual dysfunctions can be more evident. Hormonal replacement therapy and estrogen therapy- receptor modulating therapy have an important role in correcting hormonal dysfunctions manifest in chronic kidney disease. Caution is necessary in case of a would-be pregnancy in patients with chronic kidney disease, given its risks and the complexity of the problem. Renal transplantation corrects to a great extent hormonal dysfunctions in chronic kidney disease.