ArticleJBRA assisted reproduction2024
Adrenergic effect on women's blood neutrophil oxidative activity the first day after delivery.
Article in JBRA assisted reproduction, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors at 3 institutions in 1 country.
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Abstract
objectiveRecent studies have described a significant role for neutrophils in reproductive processes and their participation in the preparation of the cervix for childbirth and the activation of labor, in the postpartum involution of the uterus, and in the occurrence of preeclampsia. This study aimed to assess the formation of free radicals by neutrophils in the blood of women on the first day after childbirth and to characterize the adrenergic effect on this process.
methodsVenous blood samples from 100 female volunteers aged 26-32 years who had 2 or 3 full-term deliveries were collected and analyzed. Various adrenergic compounds were considered (agonists alphaand betaadrenoreceptors, adrenoblockers). The intensity of the respiratory burst of neutrophils and the effect of adrenergic substances on them were assessed with latex-induced luminol-dependent chemiluminescence.
resultsNeutrophil activity depends on the stage of the woman's reproductive process: it decreases during pregnancy, reaches the lowest values during childbirth, and increases significantly in the first hours after childbirth. On the first day after childbirth, alpha-1-adrenergic receptors are highly active in neutrophils, through which NADP-H-oxidase is activated and activated oxygen species are formed. At the same time, alphaor beta-agonists inhibit the radical activity of cells.
conclusionsLatex-induced oxidative burst of female blood neutrophils correlates with the stage of the reproductive process. Stressful conditions in the postpartum period can suppress the ability of neutrophils to release reactive oxygen species, which increases the risk of postpartum infections.
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