BACKGROUND:Periplaneta americana extract is recognized to have a positive effect on gastrointestinal mucosa.This study aimed to investigate the effects of periplaneta americana extract on immune function,nutrition sta...BACKGROUND:Periplaneta americana extract is recognized to have a positive effect on gastrointestinal mucosa.This study aimed to investigate the effects of periplaneta americana extract on immune function,nutrition status and gastrointestinal complications of early enteral nutrition patients with systemic inflammatory response syndrome(SIRS).METHODS:Patients with SIRS were randomly divided into two groups:treatment and control groups.All patients in the two groups received conventional therapy including enteral nutrition,but periplaneta americana extract,an additional Chinese medicine,was given to the patients in the treatment group.At the beginning of treatment(0 day)and 1,3,and 7 days after treatment,the levels of immunoglobulin(Ig A),total lymphocyte count(TLC),total protein(TP)and prealbumin(PA)were respectively tested in patients'venous blood.The incidences of bloating,diarrhea,aspiration pneumonia and high blood sugar at 7 days after treatment were recorded.The mortality of the patients in 28 days was recorded.RESULTS:At 3 and 7 days after treatment,the levels of Ig A and TLC in the treatment group were higher than those in the control group(P<0.05).At 7 days after treatment,the levels of TP and PA in the treatment group were higher than those in the control group(P<0.05).The incidences of bloating and diarrhea in the treatment group were lower than those in the control group,the differences were significant(P<0.05).The mortality of treatment group was lower than that of the control group(P>0.05).CONCLUSION:Periplaneta americana extract could reduce gastrointestinal complications and improve immune function and nutritional status in patients with systemic inflammatory response syndrome.展开更多
目的:制备美洲大蠊温敏凝胶并考察其促糖尿病大鼠创面修复作用。方法:以N-异丙基丙烯酰胺(NIPAM)与丙烯酸(AAc)为单体,在水相中通过自由基聚合法制得具有温度响应的共聚物P(NIPAM-co-AAc),然后将其接枝透明质酸(HA)以合成P(NIPAM-co-AAc...目的:制备美洲大蠊温敏凝胶并考察其促糖尿病大鼠创面修复作用。方法:以N-异丙基丙烯酰胺(NIPAM)与丙烯酸(AAc)为单体,在水相中通过自由基聚合法制得具有温度响应的共聚物P(NIPAM-co-AAc),然后将其接枝透明质酸(HA)以合成P(NIPAM-co-AAc)-g-HA温敏材料,采用核磁共振氢谱(^1H-NMR)和紫外分光光度法(UV)对该材料的化学组成、低临界相转变温度(LCST)进行表征;采用透析法制备美洲大蠊温敏凝胶,利用扫描电子显微镜、旋转流变仪和热重分析仪表征其断面结构、流变学性质和热稳定性;采用差示扫描量热法,X-射线衍射法和傅里叶红外光谱法共同鉴定P(NIPAM-coAAc)-g-HA温敏材料对美洲大蠊提取物的包合作用,并考察美洲大蠊温敏凝胶促糖尿病大鼠创面修复的作用,采用ImagePro Plus 6.0软件计算创面愈合率,运用苏木素-伊红(HE)和Masson染色观察各组大鼠创面组织病理学变化。结果:成功合成了P(NIPAM-co-AAc)-g-HA温敏材料,其LCST处于29~31℃,具有密集、均匀的多孔结构,且能将美洲大蠊提取物均匀包合。药效学结果表明,美洲大蠊温敏凝胶组促创面愈合效果最佳,其炎细胞浸润程度明显降低,胶原蛋白、成纤维细胞排列整齐、致密,新生血管密度较模型组显著增加。结论:美洲大蠊温敏凝胶可有效促进糖尿病大鼠创面愈合,可克服美洲大蠊市面液体制剂用于皮肤创面治疗的不足,可为美洲大蠊提取物促糖尿病患者创面愈合制剂的开发提供参考。展开更多
基金supported by Tangshan City Science and Technology Development Project(No.15130219a)
文摘BACKGROUND:Periplaneta americana extract is recognized to have a positive effect on gastrointestinal mucosa.This study aimed to investigate the effects of periplaneta americana extract on immune function,nutrition status and gastrointestinal complications of early enteral nutrition patients with systemic inflammatory response syndrome(SIRS).METHODS:Patients with SIRS were randomly divided into two groups:treatment and control groups.All patients in the two groups received conventional therapy including enteral nutrition,but periplaneta americana extract,an additional Chinese medicine,was given to the patients in the treatment group.At the beginning of treatment(0 day)and 1,3,and 7 days after treatment,the levels of immunoglobulin(Ig A),total lymphocyte count(TLC),total protein(TP)and prealbumin(PA)were respectively tested in patients'venous blood.The incidences of bloating,diarrhea,aspiration pneumonia and high blood sugar at 7 days after treatment were recorded.The mortality of the patients in 28 days was recorded.RESULTS:At 3 and 7 days after treatment,the levels of Ig A and TLC in the treatment group were higher than those in the control group(P<0.05).At 7 days after treatment,the levels of TP and PA in the treatment group were higher than those in the control group(P<0.05).The incidences of bloating and diarrhea in the treatment group were lower than those in the control group,the differences were significant(P<0.05).The mortality of treatment group was lower than that of the control group(P>0.05).CONCLUSION:Periplaneta americana extract could reduce gastrointestinal complications and improve immune function and nutritional status in patients with systemic inflammatory response syndrome.
文摘目的:制备美洲大蠊温敏凝胶并考察其促糖尿病大鼠创面修复作用。方法:以N-异丙基丙烯酰胺(NIPAM)与丙烯酸(AAc)为单体,在水相中通过自由基聚合法制得具有温度响应的共聚物P(NIPAM-co-AAc),然后将其接枝透明质酸(HA)以合成P(NIPAM-co-AAc)-g-HA温敏材料,采用核磁共振氢谱(^1H-NMR)和紫外分光光度法(UV)对该材料的化学组成、低临界相转变温度(LCST)进行表征;采用透析法制备美洲大蠊温敏凝胶,利用扫描电子显微镜、旋转流变仪和热重分析仪表征其断面结构、流变学性质和热稳定性;采用差示扫描量热法,X-射线衍射法和傅里叶红外光谱法共同鉴定P(NIPAM-coAAc)-g-HA温敏材料对美洲大蠊提取物的包合作用,并考察美洲大蠊温敏凝胶促糖尿病大鼠创面修复的作用,采用ImagePro Plus 6.0软件计算创面愈合率,运用苏木素-伊红(HE)和Masson染色观察各组大鼠创面组织病理学变化。结果:成功合成了P(NIPAM-co-AAc)-g-HA温敏材料,其LCST处于29~31℃,具有密集、均匀的多孔结构,且能将美洲大蠊提取物均匀包合。药效学结果表明,美洲大蠊温敏凝胶组促创面愈合效果最佳,其炎细胞浸润程度明显降低,胶原蛋白、成纤维细胞排列整齐、致密,新生血管密度较模型组显著增加。结论:美洲大蠊温敏凝胶可有效促进糖尿病大鼠创面愈合,可克服美洲大蠊市面液体制剂用于皮肤创面治疗的不足,可为美洲大蠊提取物促糖尿病患者创面愈合制剂的开发提供参考。
