基于“共同土壤”學(xué)說建立2型糖尿病合并冠心病寒凝血瘀證大鼠模型的研究
發(fā)布時間:2018-05-26 01:08
本文選題:2型糖尿病 + 冠心病; 參考:《湖南中醫(yī)藥大學(xué)》2016年碩士論文
【摘要】:實驗?zāi)康?基于“共同土壤”學(xué)說探索建立2型糖尿病合并冠心病大鼠動物模型,并根據(jù)“寒獨留則血凝泣,凝則脈不通”的中醫(yī)理論在前者基礎(chǔ)上進一步建立2型糖尿病合并冠心病寒凝血瘀證大鼠模型。實驗方法:運用高脂高糖飼料喂養(yǎng)小劑量腹腔注射鏈脲佐菌素(STZ)以及維生素D3腹腔注射并加上冰浴方法進行造模。應(yīng)用量化評分表對造模期間大鼠的癥狀和體征進行評分,并在造模的第30、60、90天以及注射STZ后行眼眶采血,用全自動生化儀以及血脂檢測試劑盒測定大鼠血脂,用血糖檢測儀檢測大鼠空腹血糖,用全自動血流變檢測血液流變學(xué)改變以及用ELESA法檢測大鼠血清胰島素、前列腺素和血栓素的變化,用心電圖機記錄大鼠心電圖Ⅱ?qū)?lián)ST段的改變,并于造模結(jié)束后對大鼠的心臟與胰腺進行HE染色以觀察其組織形態(tài)的改變。實驗結(jié)果:(1)模型組大鼠在癥狀與體征方面出現(xiàn)毛發(fā)豎立、枯萎,畏寒喜暖,喜愛扎堆,行動遲鈍,活動減少,飲水以及攝食量均減少,體重減輕,大便稀軟,耳緣、爪甲紫暗,舌質(zhì)暗紅有瘀斑,舌下絡(luò)脈曲張等寒凝血瘀證癥狀。(2)模型組大鼠血脂、血糖、全血黏度均增高,與空白組對照有顯著性差異(P0.05,P0.01)。(3)模型組大鼠心電圖II導(dǎo)聯(lián)ST段有顯著下移現(xiàn)象,與空白組對照有顯著性差異(P0.01)(4)模型組大鼠血清胰島素、前列腺素、血栓素均出現(xiàn)紊亂,與空白組對照有顯著性差異(P0.05,P0.01)。(5)模型組大鼠心臟組織出現(xiàn)冠狀動脈硬化、心肌細胞水腫、壞死,胰腺組織出現(xiàn)胰島細胞萎縮破壞等病理學(xué)改變。實驗結(jié)論:運用高脂高糖飼料喂養(yǎng)小劑量腹腔注射鏈脲佐菌素(STZ)以及維生素D3灌胃并加上冰浴方法建立的Ⅱ型糖尿病合并冠心病寒凝血瘀證與中醫(yī)證侯特點相符合,具有一定的理論和實踐意義。
[Abstract]:Objective: to establish an animal model of type 2 diabetes mellitus with coronary heart disease (CHD) based on the theory of "common soil". On the basis of the former, the model of type 2 diabetes mellitus with cold coagulation and blood stasis syndrome of coronary heart disease was established. Methods: low dose of STZ and vitamin D3 were fed with high fat and high sugar diet, and the model was made by ice bath. The symptoms and signs of the rats during model making were scored by using the quantitative scoring table. The blood samples were collected from the orbit on the 30th day of model making and after STZ injection. The blood lipid of the rats was measured by automatic biochemical instrument and blood lipid test kit. Fasting blood glucose was detected by blood glucose detector, hemorheology was detected by automatic hemorheology and serum insulin, prostaglandin and thromboxane were detected by ELESA method. The changes of St segment of electrocardiogram (ECG) lead 鈪,
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