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Changes and significance of CD4+CD25+CD127low/-regulatory T cells in patients with portal hypertension and hepatitis B virus infection after splenectomy / 中华消化外科杂志
Chinese Journal of Digestive Surgery ; (12): 480-483, 2014.
Artículo en Chino | WPRIM | ID: wpr-453427
ABSTRACT
Objective To detect the changes of CD4 + CD25 + CD127low/-regulatory T (Treg) cells in peripheral blood in patients with portal hypertension and hepatitis B virus infection before and after splenectomy,and to study the effects of splenectomy on the immune function of patients with portal hypertension.Methods The clinical data of 20 patients with portal hypertension,hepatitis B virus infection and hypersplenism who were admitted to the Third Hospital of Hebei Medical University from May 2012 to May 2013 were retrospectively analyzed.The dynamic levels of CD4 + CD25 + CD127low/ Treg cells in the peripheral blood of the 20 patients (portal hypertension group) at 1 day before splenectomy and at postoperative week 1,month 1 and month 3 were detected by flow cytometry,and the dynamic levels of CD4 + CD25 + CD127low/ Treg cells in the peripheral blood of 10healthy individuals (control group) from the same hospital were also detected by flow cytometry.The effects of changes of Treg cells on the immune function were analyzed.All data were analyzed using the t test or repeated measures analysis of variance.Results The proportions of CD4 + CD25 + CD127low/-Treg cells before operation were 5.1% ± 3.5% in the portal hypertension group and 1.4% ± 0.2% in the control group,with significant difference between the 2 groups (t =2.573,P < 0.05).The proportions of CD4 + CD25 + CD127low/ Treg cells in the portal hypertension group at postoperative week 1,month 1 and month 3 were 9.2% ±2.7%,5.6% ± 1.7%and 2.5%± 2.1%,respectively.There was significant difference in the proportion of CD4+ CD25 + CD127low/-Treg cells between postoperative week 1 and that before operation (F =9.814,P < 0.05),while there was no significant difference in the proportion of CD4 + CD25 + CD127low/-Treg cells between postoperative month 3 and that before operation (F =2.364,P > 0.05).Conclusion The proportion of Treg cells increases in a short period after splenectomy,and then it decreases as time passed by,which indicates that splenectomy has slight influence on the immune system from the perspective of Treg cells.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Digestive Surgery Año: 2014 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Digestive Surgery Año: 2014 Tipo del documento: Artículo