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经气道应用脂质体携载前列腺素E_1减轻油酸型大鼠肺损伤 被引量:1

Intratracheally Administered Liposomal Prostaglandin E1 Mitigates Oleic AcidInduced Lung Injury In Rats
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摘要 目的研究经气道应用脂质体携载前列腺素E1(L-PGE1)对油酸所致的大鼠急性肺损伤的保护作用。方法观察肺水肿的程度,测定肺组织碱性磷酸酶(ALP)与血管紧张素转换酶(ACE)的活性。结果L-PGE1明显降低了损伤大鼠的肺系数(P<0.01)和肺湿重/干重比(P<0.05),显著提高了肺组织的ALP(P<0.01)与ACE(P<0.05)的活性。L-PGE1的作用明显优于游离的PGE1或空白脂质体。结论气道内给予L-PGE1对治疗急性肺损伤具有良好的效果。 bjective To investigate the effects of intratracheally administered liposomeencapsulated prostaglandin E1(LPGE1) on oleic acidinduced acute lung injury in rats.Methods The degree of pulmonary edema and the activities of alkaline phosphatase(ALP) and angiotensin converting enzyme(ACE)of the lung tissues were observed.Results LPGE1 markedly decreased pulmonary coefficient( P<0.01) and rate of lung wet weight/dry weight( P<0.05),and greatly enhanced the activities of ALP( P<0.01)and ACE( P<0.05).The protective role of PGE1 was significantly better than that of free PGE1 or plain liposome.Conclusion:LPGE1,administered intratracheally,may serve as a potentially effective agent in the treatment of acute lung damage.
出处 《温州医学院学报》 CAS 1998年第2期91-93,共3页 Journal of Wenzhou Medical College
基金 国家自然科学基金
关键词 脂质体 前列腺素E1 肺损伤 急性 药物疗法 Liposome Prostaglandin E1 Oleic acid Lung injury,cute
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