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Role of ?-endorphin in the suppression of cellular immunity of rats following trauma-hemorrhagic shock / 中国病理生理杂志
Chinese Journal of Pathophysiology ; (12)1986.
Artigo em Chinês | WPRIM | ID: wpr-520258
ABSTRACT

AIM:

To explore the role of plasma ?-endorphin(?-EP) in the suppression of cellular immunity following trauma-hemorrhagic shock(T-HS).

METHODS:

Wistar rats with T-HS were sacrificed at 0 h, 1 h, 3 h, 6 h, 12 h, 24 h after T-HS. Plasma sample was collected and ?-EP levels in plasma was measured. Rats with sham-operated were served as the controls. ②In in vitro experiment, splenic cells were isolated and mixed from four normal rats and cocultured with shock plasma (SP) or SP +?-EP antiserum. ConA-induced splenic cell proliferation, IL-2 production, IL-2R expression were examined.

RESULTS:

① Levels of plasma ?-EP elevated remarkably after T-HS immediately, peaked at 1h , showed decreasing tendency and restored normal 24 h after T-HS. ② Shock plasma significantly suppressed ConA-induced splenic cell function. Levels of plasma ?-EP were negatively correlated with spenic cell proliferation and IL-2 production and IL-2R expression. Compared with SP group, splenic cell function elevated markedly in SP + ?-EP antiserum group, but still lower than that in controls.

CONCLUSION:

The elevated plasma ?-EP following T-HS was involved in the suppression of cellular immunity.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Pathophysiology Ano de publicação: 1986 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Pathophysiology Ano de publicação: 1986 Tipo de documento: Artigo