加味春泽汤调控内质网应激凋亡治疗脊髓损伤大鼠的尿潴留
R459.9%R318%R496; 背景:前期临床观察发现加味春泽汤是临床治疗脊髓损伤后尿潴留的有效方剂.动物实验发现磷脂酰肌醇3激酶/蛋白激酶B(PI3K/Akt)信号通路与膀胱功能障碍程度密切相关. 目的:进一步验证加味春泽汤对脊髓损伤后尿潴留大鼠膀胱功能及PI3K/Akt通路的影响. 方法:将60只SD雌性大鼠随机分为假手术组、模型组、加味春泽汤低剂量组、加味春泽汤高剂量组、激动剂组.假手术组大鼠暴露脊髓但不切断,其余各组大鼠采用改良后的Hassan Shaker脊髓横断法建立骶髓损伤大鼠模型.造模24 h后,假手术组和模型组大鼠给予等体积生理盐水灌胃,加味春泽汤低、高剂量组大鼠分别给予...
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| Published in | 中国组织工程研究 Vol. 29; no. 2; pp. 371 - 378 |
|---|---|
| Main Authors | , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
河南中医药大学,河南省 郑州市 450046%河南省中医院/河南中医药大学第二附属医院,河南省 郑州市 450002
2025
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| Subjects | |
| Online Access | Get full text |
| ISSN | 2095-4344 |
| DOI | 10.12307/2025.232 |
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| Abstract | R459.9%R318%R496; 背景:前期临床观察发现加味春泽汤是临床治疗脊髓损伤后尿潴留的有效方剂.动物实验发现磷脂酰肌醇3激酶/蛋白激酶B(PI3K/Akt)信号通路与膀胱功能障碍程度密切相关.
目的:进一步验证加味春泽汤对脊髓损伤后尿潴留大鼠膀胱功能及PI3K/Akt通路的影响.
方法:将60只SD雌性大鼠随机分为假手术组、模型组、加味春泽汤低剂量组、加味春泽汤高剂量组、激动剂组.假手术组大鼠暴露脊髓但不切断,其余各组大鼠采用改良后的Hassan Shaker脊髓横断法建立骶髓损伤大鼠模型.造模24 h后,假手术组和模型组大鼠给予等体积生理盐水灌胃,加味春泽汤低、高剂量组大鼠分别给予含有14.4 g/kg和28.8 g/kg的加味春泽汤颗粒剂,等体积灌胃4周,激动剂组大鼠给予PI3K/Akt信号通路激动剂740Y-P腹腔注射0.02 mg/kg治疗.治疗4周后采用尿流动力学检测各组大鼠膀胱最大容量、漏尿点压力、膀胱顺应性,膀胱离体逼尿肌条收缩性检测各组大鼠膀胱最小收缩张力、收缩频率,苏木精-伊红染色观察各组大鼠膀胱病理学改变,ELISA法检测各组大鼠血清中GRP78、CHOP、Caspase-12水平,RT-PCR、Western blot法检测大鼠膀胱组织PI3K、Akt、GRP78、CHOP、Caspase-12 mRNA及蛋白的表达.
结果与结论:①与假手术组相比,模型组大鼠膀胱最大容量、膀胱顺应性、最小收缩张力升高(P<0.05),漏尿点压力、膀胱收缩频率降低(P<0.05);血清中GRP78、CHOP、Caspase-12水平升高(P<0.05);膀胱上皮细胞排列紊乱,细胞间存在单核细胞浸润,组织水肿,逼尿肌束萎缩;膀胱组织PI3K、Akt mRNA和蛋白表达降低,GRP78、CHOP、Caspase-12 mRNA和蛋白表达升高(P<0.05).②与模型组相比,加味春泽汤低、高剂量组及激动剂组干预4周后,大鼠膀胱最大容量、膀胱顺应性、最小收缩张力降低(P<0.05),漏尿点压力、膀胱收缩频率升高(P<0.05);血清中GRP78、CHOP、Caspase-12水平降低(P<0.05);膀胱上皮细胞分布较均匀,排列较整齐,炎细胞浸润较少,逼尿肌束较饱满;膀胱组织PI3K、Akt mRNA和蛋白表达增加,GRP78、CHOP、Caspase-12 mRNA和蛋白表达降低(P<0.05).加味春泽 |
|---|---|
| AbstractList | R459.9%R318%R496; 背景:前期临床观察发现加味春泽汤是临床治疗脊髓损伤后尿潴留的有效方剂.动物实验发现磷脂酰肌醇3激酶/蛋白激酶B(PI3K/Akt)信号通路与膀胱功能障碍程度密切相关.
目的:进一步验证加味春泽汤对脊髓损伤后尿潴留大鼠膀胱功能及PI3K/Akt通路的影响.
方法:将60只SD雌性大鼠随机分为假手术组、模型组、加味春泽汤低剂量组、加味春泽汤高剂量组、激动剂组.假手术组大鼠暴露脊髓但不切断,其余各组大鼠采用改良后的Hassan Shaker脊髓横断法建立骶髓损伤大鼠模型.造模24 h后,假手术组和模型组大鼠给予等体积生理盐水灌胃,加味春泽汤低、高剂量组大鼠分别给予含有14.4 g/kg和28.8 g/kg的加味春泽汤颗粒剂,等体积灌胃4周,激动剂组大鼠给予PI3K/Akt信号通路激动剂740Y-P腹腔注射0.02 mg/kg治疗.治疗4周后采用尿流动力学检测各组大鼠膀胱最大容量、漏尿点压力、膀胱顺应性,膀胱离体逼尿肌条收缩性检测各组大鼠膀胱最小收缩张力、收缩频率,苏木精-伊红染色观察各组大鼠膀胱病理学改变,ELISA法检测各组大鼠血清中GRP78、CHOP、Caspase-12水平,RT-PCR、Western blot法检测大鼠膀胱组织PI3K、Akt、GRP78、CHOP、Caspase-12 mRNA及蛋白的表达.
结果与结论:①与假手术组相比,模型组大鼠膀胱最大容量、膀胱顺应性、最小收缩张力升高(P<0.05),漏尿点压力、膀胱收缩频率降低(P<0.05);血清中GRP78、CHOP、Caspase-12水平升高(P<0.05);膀胱上皮细胞排列紊乱,细胞间存在单核细胞浸润,组织水肿,逼尿肌束萎缩;膀胱组织PI3K、Akt mRNA和蛋白表达降低,GRP78、CHOP、Caspase-12 mRNA和蛋白表达升高(P<0.05).②与模型组相比,加味春泽汤低、高剂量组及激动剂组干预4周后,大鼠膀胱最大容量、膀胱顺应性、最小收缩张力降低(P<0.05),漏尿点压力、膀胱收缩频率升高(P<0.05);血清中GRP78、CHOP、Caspase-12水平降低(P<0.05);膀胱上皮细胞分布较均匀,排列较整齐,炎细胞浸润较少,逼尿肌束较饱满;膀胱组织PI3K、Akt mRNA和蛋白表达增加,GRP78、CHOP、Caspase-12 mRNA和蛋白表达降低(P<0.05).加味春泽 |
| Abstract_FL | BACKGROUND:Preliminary clinical observations found that Jiawei Chunze Decoction is an effective formula for clinical treatment of urinary retention after spinal cord injury.Animal experiments have found that the phosphatidylinositol 3-kinase/protein kinase B(PI3K/Akt)signaling pathway is closely related to the degree of bladder dysfunction.
OBJECTIVE:To further investigate the effects of Jiawei Chunze Decoction on bladder function and PI3K/Akt signaling pathway in rats with urinary retention.
METHODS:Sixty female Sprague-Dawley rats were randomly divided into sham operation group,model group,Jiawei Chunze Decoction low-dose group,Jiawei Chunze Decoction high-dose group and agonist group.In the sham operation group,the spinal cord was exposed but not transected.In the other groups,the modified Hassan Shaker spinal cord transection method was used to prepare the model of sacral medullary injury.At 24 hours after modeling,the sham operation group and model group were intragastrically given equal volume of normal saline,Jiawei Chunze Decoction low-dose and high-dose groups were given Jiawei Chunze Decoction granules containing 14.4 and 28.8 g/kg,respectively,via intragastric administration for 4 weeks,and the agonist group was treated with an intraperitoneal injection of PI3K/Akt signaling pathway agonist 740Y-P at a dose of 0.02 mg/kg.After 4 weeks of treatment,the maximum bladder capacity,leakage point pressure and bladder compliance of rats in each group were detected by urine flow dynamics.The minimum bladder contraction tension and frequency of rats in each group were detected by detrusor pull test.The pathological changes of the rat bladder in each group were observed by hematoxylin-eosin staining.The concentrations of GRP78,CHOP and Caspase-12 in serum were detected by ELISA,and the mRNA and protein expressions of PI3K,Akt,GRP78,CHOP and Caspase-12 in bladder tissues were detected by RT-PCR and western blot,respectively.
RESULTS AND CONCLUSION:Compared with the sham operation group,the maximum bladder volume,bladder compliance and minimum systolic tension of rats in the model group were increased(P<0.05),and the leakage point pressure and bladder contraction frequency were decreased(P<0.05);serum GRP78,CHOP,and Caspase-12 levels were also increased(P<0.05).The arrangement of bladder epithelial cells in the model group was disordered,and there was monocyte infiltration between cells,tissue edema,and detrusor tract atrophy.The mRNA and protein expressions of PI3K and Akt in bladder tissues were significantly decreased in the model group compared with the sham operation group,while those of GRP78,CHOP and Caspase-12 were increased(P<0.05).Compared with the model group,the maximum bladder volume,bladder compliance and minimum systolic tension of rats were decreased in the Jiawei Chunze Decoction low-dose,high-dose and agonist groups after 4 weeks of intervention(P<0.05),while the leakage point pressure and bladder contraction frequency were increased(P<0.05);serum GRP78,CHOP,Caspase-12 levels were decreased(P<0.05).The bladder epithelial cells in the three intervention groups were distributed evenly,arranged neatly,with less inflammatory cell infiltration and fuller detrusor muscle bundle.Compared with the model group,the mRNA and protein expressions of PI3K and Akt were increased in the three intervention groups,while those of GRP78,CHOP and Caspase-12 were decreased(P<0.05).The Jiawei Chunze Decoction high-dose group was better than the Jiawei Chunze Decoction low-dose group and shared the similar results with the agonist group.To conclude,Jiawei Chunze Decoction can improve the bladder function of rats with urinary retention after spinal cord injury,and the mechanism may be related to reducing the occurrence of endoplasmic reticulum stress in bladder tissue through the PI3K/Akt signaling pathway,and then alleviating apoptosis. |
| Author | 朱博超 王煜普 赵楠楠 李彦杰 秦合伟 徐振华 刘昊源 |
| AuthorAffiliation | 河南中医药大学,河南省 郑州市 450046%河南省中医院/河南中医药大学第二附属医院,河南省 郑州市 450002 |
| AuthorAffiliation_xml | – name: 河南中医药大学,河南省 郑州市 450046%河南省中医院/河南中医药大学第二附属医院,河南省 郑州市 450002 |
| Author_FL | Zhu Bochao Qin Hewei Liu Haoyuan Xu Zhenhua Zhao Nannan Li Yanjie Wang Yupu |
| Author_FL_xml | – sequence: 1 fullname: Zhu Bochao – sequence: 2 fullname: Li Yanjie – sequence: 3 fullname: Qin Hewei – sequence: 4 fullname: Zhao Nannan – sequence: 5 fullname: Liu Haoyuan – sequence: 6 fullname: Xu Zhenhua – sequence: 7 fullname: Wang Yupu |
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| DocumentTitle_FL | Jiawei Chunze Decoction treats urinary retention after spinal cord injury in rats based on the regulation of endoplasmic reticulum stress apoptosis |
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| Keywords | 细胞凋亡 spinal cord injury 脊髓损伤 apoptosis 尿潴留 内质网应激 PI3K/Akt signaling pathway PI3K/Akt信号通路 endoplasmic reticulum stress 加味春泽汤 urinary retention Jiawei Chunze Decoction |
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| Publisher | 河南中医药大学,河南省 郑州市 450046%河南省中医院/河南中医药大学第二附属医院,河南省 郑州市 450002 |
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| Snippet | R459.9%R318%R496; 背景:前期临床观察发现加味春泽汤是临床治疗脊髓损伤后尿潴留的有效方剂.动物实验发现磷脂酰肌醇3激酶/蛋白激酶B(PI3K/Akt)信号通路与膀胱功能障碍程度密切相关.
目的:进一步验证加味春泽汤对脊髓损伤后尿潴留大鼠膀胱功能及PI3K/Akt通路的影响.... |
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| Title | 加味春泽汤调控内质网应激凋亡治疗脊髓损伤大鼠的尿潴留 |
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