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Pós-menopausa e sistema imune

Authors: Faria, Márcio Antonio; Simões, Ricardo Santos; Santos, Miriam Aparecida dos; Soares Junior, José Maria; Carbonel, Adriana Aparecida Ferraz;

Pós-menopausa e sistema imune

Abstract

ResumoEstudos mostram haver uma diminuição da quantidade de linfócitos T e B, assim como dos efeitos citotóxicos das células natural killer (NK), em decorrência da diminuição acentuada na concentração dos estrogênios circulantes, o que ocorre no período menopausal e pós-menopausal. Assim, existe uma relação direta entre senescência e deficiência do sistema imunológico, que tem como consequência o aumento de doenças neoplásicas, infecciosas, crônico-degenerativas, assim como de inflamações crônicas. Assim, para prevenir ou amenizar a imunossenescência, com consequente prevenção de diversas doenças dessa parcela da população, estudos mostram que existe uma normalização da resposta imunológica após a reposição hormonal, o que se torna um fator importante no controle dessas doenças. Dessa maneira, a reposição hormonal torna-se importante não somente para minimizar os efeitos da pós-menopausa, mas também no combate e na prevenção de doenças de caráter imunológico, como as doenças autoimunes e as neoplásicas.AbstractStudies show that there is a decreased amount of T and B lymphocytes, as well as the cytotoxic effects of natural killer cells (NK), due to the sharp decrease in the concentration of circulating estrogens, which occurs in the menopausal and post-menopausal period. Thus, there is a direct relationship between senescence and immune system deficiency, resulting in the increase of tumors, infectious, degenerative chronic diseases, as well as the chronic inflammation. So to prevent or lessen the immunosenescence, resulting in prevention of various diseases in this part of the population, studies show that there is a normalization of the immune response after hormonal replacement therapy, becoming an important factor in controlling these diseases. Thus, hormone replacement therapy becomes important not only to minimize the alterations that occurs in the post-menopausal period, but also in fighting and preventing immune diseases, such as tumors.

Keywords

Senescência, Postmenopause, Aging, Immune system, Hormone replacement therapy, Obstetrics and Gynaecology, Terapia de reposição hormonal, Pós-menopausa, Sistema imunológico

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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