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酪酪肽对急性胰腺炎细菌易位的影响 被引量:4
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作者 左利平 董蕾 朱建伟 《陕西医学杂志》 CAS 北大核心 2007年第10期1279-1281,共3页
目的:探讨酪酪肽(PYY)对急性胰腺炎大鼠肠粘膜的屏障功能。方法:SD大鼠40只,雌雄不拘,采用经腹腔注射精氨酸建立急性胰腺炎大鼠模型后,随机分为对照组(n=20)及治疗组(n=20),治疗组给与PYY皮下注射,治疗后第48h处死大鼠,测定肠粘膜组织... 目的:探讨酪酪肽(PYY)对急性胰腺炎大鼠肠粘膜的屏障功能。方法:SD大鼠40只,雌雄不拘,采用经腹腔注射精氨酸建立急性胰腺炎大鼠模型后,随机分为对照组(n=20)及治疗组(n=20),治疗组给与PYY皮下注射,治疗后第48h处死大鼠,测定肠粘膜组织匀浆丙二醛(MDA)含量、肠粘膜蛋白含量以及肠管细菌易位率。结果:治疗组动物肠粘膜蛋白含量显著高于对照组(P<0.01);肠粘膜组织匀浆MDA含量显著低于对照组(P<0.01);肝脏及脾脏细菌培养阳性率显著低于对照组(P<0.05)。结论:PYY对急性胰腺炎大鼠肠黏膜屏障具有保护作用。 展开更多
关键词 胰腺炎 细菌易位 胃肠激素类 @酪酪肽
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酪酪肽对实验性重症急性胰腺炎大鼠的作用 被引量:2
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作者 殷彩桥 董蕾 《陕西医学杂志》 CAS 北大核心 2008年第11期1466-1468,共3页
目的:通过检测血清一氧化氮(NO),诱导型一氧化氮合成酶(iNOS)及超氧化物歧化酶(SOD)水平,研究酪酪肽(PYY)对重症急性胰腺炎大鼠的作用。方法:健康雄性SD大鼠40只,体重250~300g。随机分成胰腺炎组(20只)和治疗组(20只)两组,实验前大鼠禁... 目的:通过检测血清一氧化氮(NO),诱导型一氧化氮合成酶(iNOS)及超氧化物歧化酶(SOD)水平,研究酪酪肽(PYY)对重症急性胰腺炎大鼠的作用。方法:健康雄性SD大鼠40只,体重250~300g。随机分成胰腺炎组(20只)和治疗组(20只)两组,实验前大鼠禁食12h,自由饮水。两组大鼠均分3次腹腔内注射6%l-精氨酸溶液(3×1.5mg/g),中间间隔1h。治疗组大鼠在第1次腹腔内注射精氨酸后立即皮下注射酪酪肽(0.8pmol/g体重),此后每间隔4h皮下注射1次,共注射10次。将实验大鼠分别在造模后48h作血清NO,iNOS及SOD测定。结果:酪酪肽治疗组血清NO及iNOS明显低于重症急性胰腺炎组,而血清SOD明显高于重症急性胰腺炎组。结论:酪酪肽对重症急性胰腺炎的保护治疗作用可能与降低血清NO含量,抑制iNOS活性,提高SOD活性有关。 展开更多
关键词 胰腺炎 急性坏死性/药物治疗 @酪酪肽 一氧化氮/分析 一氧化氮合成酶/分析 超氧化物歧化酶/分析 大鼠
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Effect of acupuncture on serum PYY and nesfatin-1 in obese patients with insulin resistance 被引量:1
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作者 Liu Mei-zhang Liu Yong-tao Yang Li-bai 《Journal of Acupuncture and Tuina Science》 CSCD 2021年第6期432-437,共6页
Objective To observe the effect of acupuncture on serum peptide YY(PYY)and nesfatin-1 in obese patients with insulin resistance.Methods Ninety-eight obese patients with insulin resistance were divided into a control g... Objective To observe the effect of acupuncture on serum peptide YY(PYY)and nesfatin-1 in obese patients with insulin resistance.Methods Ninety-eight obese patients with insulin resistance were divided into a control group and an observation group by the random number table method,with 49 cases in each group.The control group received exercise and dietary interventions,and the observation group received additional acupuncture treatment to the exercise and dietary interventions.The body mass index(BMI),body fat percentage,fasting insulin(FINS),fasting plasma glucose(FPG),homeostasis model assessment for insulin resistance(HOMA-IR),triglyceride(TG),total cholesterol(TC),and serum PYY and nesfatin-1 levels were compared before and after treatment.The efficacy was evaluated after treatment.Results The total effective rate was significantly higher in the observation group than in the control group(P<0.05).After treatment,the BMI,body fat percentage,and serum TG and TC levels decreased significantly in both groups(P<0.05),and were significantly lower in the observation group than those in the control group(P<0.05).The FINS,FPG,HOMA-IR,and serum PYY and nesfatin-1 levels of the control group were not significantly changed after treatment(P>0.05).The FINS,FPG and HOMA-IR of the observation group decreased significantly after treatment(P<0.05),and were lower than those in the control group(P<0.05).The serum PYY and nesfatin-1 levels of the observation group increased significantly after treatment(P<0.05),and were higher than those in the control group(P<0.05).Conclusion Based on exercise and dietary interventions,acupuncture is effective for obese patients with insulin resistance.It can reduce the BMI,body fat percentage,blood lipids,blood glucose,and serum insulin levels and improve insulin resistance.The action may be associated with the up-regulation of serum PYY and nesfatin-1. 展开更多
关键词 Acupuncture Therapy OBESITY Diet Reducing Insulin Resistance Body Mass Index Peptide YY NESFATIN-1
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