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Zheng X, Xue Q, Wang Y, Lu L, Pan Y, Xu J, Zhang J. A. officinarum Hance - P. cablin (Blanco) Benth drug pair improves oxidative stress, intracellular Ca 2+ concentrations and apoptosis by inhibiting the AGE/RAGE axis to ameliorate diabetic gastroparesis: In vitro and in vivo studies. J Ethnopharmacol 2024; 324:117832. [PMID: 38280660 DOI: 10.1016/j.jep.2024.117832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 01/24/2024] [Indexed: 01/29/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Alpinia officinarum Hance is a perennial natural medicine herbivorous plant, has been used in the management of treat stomach pain and diabetes, it is abundantly cultivated in Qiongzhong, Baisha and other places. P. cablin (Blanco) Benth, one of the most important traditional Chinese plants, which plays functions in antioxidant and gastrointestinal regulation, has been extensively planted in Hainan, Guangdong and other regions. AIM OF THE STUDY In this study, we investigated the role and underlying molecular mechanism of AP on diabetic gastroparesis (DGP) in vitro and in vivo. MATERIALS AND METHODS In this study, using ultra-high performance liquid chromatography-mass spectrometry/mass spectrometry (UPLC-MS/MS) to identify active compounds in A. officinarum Hance-P. cablin (Blanco) Benth drug pair (AP). Molecular docking were utilized to explore the potential mechanism of AP treatment of DGP. In in vitro assays, gastric smooth muscle cells (GSMCs) were treated with 35 mM glucose to promote apoptosis and construct the DGP model, which was treated with different concentrations of AP. Furthermore, transfection technology was used to overexpress RAGE in GSMCs and elucidate the underlying mechanisms of alleviation of DGP by AP. RESULTS Using UPLC-MS/MS analysis, nine components of AP were identified. We found that AP effectively blocked the increase in apoptosis, oxidative stress, and intracellular Ca2+ concentrations. For in vivo experiments, mice were fed with a high-fat irregular diet to construct DGP model, and AP was co-administered via oral gavage daily to prevent the development of DGP. Compared with DGP mice, AP significantly decreased fasting blood glucose levels and increased gastric emptying levels. Consistent with in vitro experiments, AP also considerably decreased the increase in oxidative stress in DGP mice. Mechanistically, AP alleviates apoptosis and DGP by decreasing oxidative stress and intracellular Ca2+ concentrations via the inhibition of the AGE/RAGE axis. CONCLUSIONS Collectively, this study has established that AP can improve DGP, and the mechanism may be related to the inhibition the AGE/RAGE axis to mitigate apoptosis and DGP. To summarize, this study provides a novel supplementary strategy for DGP treatment.
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Affiliation(s)
- Xiuwen Zheng
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver Transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, China.
| | - Qianrong Xue
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver Transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, China.
| | - Yinghuan Wang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver Transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, China.
| | - Lu Lu
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver Transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, China.
| | - Yipeng Pan
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver Transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, China.
| | - Jian Xu
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver Transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, China.
| | - Junqing Zhang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver Transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, China.
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Song B, Zhang G, Bao Y, Zhang M. Involvement of oxidative stress-AMPK-Cx43-NLRP3 pathway in extracellular matrix remodeling of gastric smooth muscle cells in rats with diabetic gastroparesis. Cell Stress Chaperones 2024; 29:440-455. [PMID: 38653383 PMCID: PMC11087914 DOI: 10.1016/j.cstres.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 04/17/2024] [Accepted: 04/18/2024] [Indexed: 04/25/2024] Open
Abstract
This study aimed to investigate the changes in oxidative stress, adenosine monophosphate-activated protein kinase (AMPK), connexin43 (Cx43), nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3) expression, and extracellular matrix (ECM) in the gastric smooth muscle tissues of rats with diabetic gastroparesis (DGP) and high glucose-cultured gastric smooth muscle cells, determine the existence of oxidative stress-AMPK-Cx43-NLRP3 pathway under high glucose condition, and the involvement of this pathway in ECM remodeling in DGP rats. The results showed that with increasing duration of diabetes, oxidation stress levels gradually increased, the AMPK activity decreased first and then increased, NLRP3, CX43 expression, and membrane/cytoplasm ratio of Cx43 expression were increased in the gastric smooth muscle tissues of diabetic rats. Changes in ECM of gastric smooth muscle cells were observed in DGP rats. The DGP group showed higher collagen type I content, increased expression of Caspase-1, transforming growth factor-beta 3 (TGF-β3), and matrix metalloproteinase-2 (MMP-2), decreased tissue inhibitor of metalloproteinase-1 (TIMP-1) expression, and higher interleukin-1 beta content when compared with the control group. For gastric smooth muscle cells cultured under higher glucose, the MMP-2 and TGF-β3 expression was decreased, TGF-β1 and TIMP-1 expression was increased, the interleukin-1 beta content was decreased in cells after inhibition of NLRP3 expression; the NLRP3 and Caspase-1 expression was decreased, and adenosine triphosphate content was lower after inhibition of Cx43; the expression of NLRP3, Caspase-1, P2X7, and the membrane/cytoplasm ratio of CX43 expression was decreased in cells after inhibition of AMPK and oxidative stress, the phospho-AMPK expression was also decreased after suppressing oxidative stress. Our findings suggest that high glucose induced the activation of the AMPK-Cx43-NLRP3 pathway through oxidative stress, and this pathway was involved in the ECM remodeling of gastric smooth muscles in DGP rats by regulating the biological functions of TGF-β3, TGF-β1, MMP-2, and TIMP-1.
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Affiliation(s)
- Baihui Song
- Department of Basic Medical Sciences, Changchun Medical College, Changchun, China
| | - Gaoyuan Zhang
- Department of Histology and Embryology, Medical College of Yanbian University, Yanji, China
| | - Yitegele Bao
- Department of Histology and Embryology, Medical College of Yanbian University, Yanji, China
| | - Mohan Zhang
- Department of Histology and Embryology, Medical College of Yanbian University, Yanji, China.
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Uppaluri S, Jain MA, Ali H, Shingala J, Amin D, Ajwani T, Fatima I, Patel N, Kaka N, Sethi Y, Kapoor N. Pathogenesis and management of diabetic gastroparesis: An updated clinically oriented review. Diabetes Metab Syndr 2024; 18:102994. [PMID: 38579489 DOI: 10.1016/j.dsx.2024.102994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 02/25/2024] [Accepted: 03/20/2024] [Indexed: 04/07/2024]
Abstract
BACKGROUND AND AIMS Diabetic gastroparesis (DGp) is a common and preventable complication of uncontrolled diabetes mellitus (D.M.) and significantly affects the Quality of Life of patients. Diagnosis and management present as a clinical challenge due to the disease's complexity and limited effective therapeutic options. This review aims to comprehensively outline the pathogenesis, diagnosis, and management of diabetic gastroparesis, evaluating evolving approaches to guide clinicians and provide future recommendations. METHODS A literature review was conducted on scholarly databases of PubMed, Google Scholar, Scopus and Web of Science encompassing published articles, gray literature and relevant clinical guidelines. Data were synthesized and analyzed to provide a comprehensive overview of diabetic gastroparesis, focusing on pathogenesis, diagnosis, and management. RESULTS The review intricately explores the pathogenesis contributing to diabetic gastroparesis, emphasizing autonomic neuropathy, oxidative stress, inflammation, hormonal dysregulation, microbiota alterations, and gastrointestinal neuropathy. Primary management strategies are underscored, including lifestyle modifications, symptom relief, and glycemic control. The discussion encompasses pharmacological and surgical options, highlighting the importance of a multidisciplinary approach involving various healthcare professionals for comprehensive patient care. CONCLUSION This review offers a thorough understanding of pathogenesis, diagnosis, and management of diabetic gastroparesis, underlining evolving approaches for clinicians. A multidisciplinary approach is crucial to address both the physical and mental health aspects of diabetes and its complications.
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Affiliation(s)
- Srikar Uppaluri
- Kamineni Academy of Medical Sciences and Research Center, Hyderabad, India; PearResearch, Dehradun, India.
| | - Manisha Ashok Jain
- PearResearch, Dehradun, India; Shri Bhausaheb Hire Govt. Medical College, Dhule, Maharashtra, India.
| | - Hira Ali
- PearResearch, Dehradun, India; Chifeng University Medical College, China.
| | - Jay Shingala
- PearResearch, Dehradun, India; B.J. Medical College, Ahmedabad, India.
| | - Dhruti Amin
- PearResearch, Dehradun, India; GMERS Medical College and Hospital, Gotri, Vadodara, India.
| | - Trisha Ajwani
- PearResearch, Dehradun, India; Baroda Medical College, Gujarat, India.
| | - Irum Fatima
- PearResearch, Dehradun, India; Osmania Medical College, Hyderabad, India.
| | - Neil Patel
- PearResearch, Dehradun, India; GMERS Medical College, Himmatnagar, Gujarat, India.
| | - Nirja Kaka
- PearResearch, Dehradun, India; GMERS Medical College, Himmatnagar, Gujarat, India.
| | - Yashendra Sethi
- PearResearch, Dehradun, India; Government Doon Medical College, Dehradun, India.
| | - Nitin Kapoor
- Department of Endocrinology, Diabetes and Metabolism, Christian Medical College, Vellore, India.
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Cao J, Zhou X, Yan H, Li L. Application of acupuncture in diabetic gastroparesis: A case series. Asian J Surg 2024; 47:1401-1402. [PMID: 38036355 DOI: 10.1016/j.asjsur.2023.11.100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 11/17/2023] [Indexed: 12/02/2023] Open
Affiliation(s)
- Jianzhi Cao
- Traditional Chinese Medicine Department, Zigong First People's Hospital, Zigong, People's Republic of China
| | - Xia Zhou
- Traditional Chinese Medicine Department, Zigong First People's Hospital, Zigong, People's Republic of China
| | - Hui Yan
- Traditional Chinese Medicine Department, Zigong First People's Hospital, Zigong, People's Republic of China
| | - Liuying Li
- Traditional Chinese Medicine Department, Zigong First People's Hospital, Zigong, People's Republic of China; Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, People's Republic of China.
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Zheng X, Zhang Y, Tan Y, Li Y, Xue Q, Li H, Zhang X, Pan Y, Xu J, Zhang J. Alpinia officinarum Hance extract ameliorates diabetic gastroparesis by regulating SCF/c-kit signaling pathway and rebalancing gut microbiota. Fitoterapia 2024; 172:105730. [PMID: 37939738 DOI: 10.1016/j.fitote.2023.105730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 11/02/2023] [Accepted: 11/02/2023] [Indexed: 11/10/2023]
Abstract
Diabetic gastroparesis (DGP) is a common complication of type 2 diabetes mellitus (T2DM). Alpinia officinarum Hance (AOH) is one of the most commonly used both as a food and folk medicines, which is rich in diarylheptanoids and flavonoids. The gastroprotection and hypoglycemic effect make AOH has great potential in developing of anti-DGP complementary medicine. However, the molecular mechanisms of AOH that act against DGP are yet to be elucidated. In this study, we evaluated the therapeutic effects, the potential molecular mechanism, and the changes of gut microbiota of AOH in DGP. The 5 components of the AOH were analyzed, and the potential signaling pathway of AOH improving DGP was predicted by molecular docking. Subsequently, DGP rat model was constructed using high-fat-irregular-diet, AOH intervention significantly reduced blood glucose levels, increased gastrointestinal propulsion rate, and improved gastric histological morphology in DGP rats. Meanwhile, AOH has been shown to regulate the SCF/c-kit signaling pathway and rebalance the gut microbiota, which may be closely related to its role in improving DGP. Taken together, AOH may play a protective role on DGP through multiple mechanisms, which might pave the road for development and utilization of AOH.
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Affiliation(s)
- Xiuwen Zheng
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, PR China
| | - Yuxin Zhang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, PR China
| | - Yinfeng Tan
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, PR China
| | - Yonghui Li
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, PR China
| | - Qianrong Xue
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, PR China
| | - Hailong Li
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, PR China
| | - Xuguang Zhang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, PR China
| | - Yipeng Pan
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, PR China.
| | - Jian Xu
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, PR China.
| | - Junqing Zhang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of R & D on Tropical Herbs, Haikou Key Laboratory of Li Nationality Medicine, School of Pharmacy, Hepatobiliary and Liver transplantation Department of Hainan Digestive Disease Center of The Second Affiliated Hospital of Hainan Medical University, Engineering Research Center of Tropical Medicine of Ministry of Education, The First Affiliated Hospital, Hainan Medical University, Haikou, PR China.
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Zhang YX, Zhang YJ, Miao RY, Fang XY, Wei JH, Wei Y, Lin JR, Tian JX. Effectiveness and safety of traditional Chinese medicine decoction for diabetic gastroparesis: A network meta-analysis. World J Diabetes 2023; 14:313-342. [PMID: 37035221 PMCID: PMC10075042 DOI: 10.4239/wjd.v14.i3.313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/29/2022] [Accepted: 02/23/2023] [Indexed: 03/15/2023] Open
Abstract
BACKGROUND Diabetic gastroparesis (DGP) is a prevalent complication of diabetes that impairs people's quality of life and places a significant financial burden on them. The gastrointestinal symptoms of DGP patients can be improved by several Traditional Chinese Medicine (TCM) decoctions that have been shown to be effective in treating the disease. There are still many unanswered questions regarding the identification of appropriate therapeutic agents for the treatment of DGP in clinical practice.
AIM To analyze the efficacy of several TCM decoctions in the treatment of DGP using Bayesian network meta-analysis for reference.
METHODS PubMed, EMBASE, Cochrane Library, Web of Science, China National Kno-wledge Infrastructure, The China Biology Medicine DVD, Wanfang, and CQVIP were searched from inception to September 17, 2022, to collect randomized controlled trials (RCTs) about TCM decoctions for DGP. Clinical effects and symptom scores were the primary outcomes. Additionally, we assessed motilin (MOT), somatostatin (SS), gastrin (GAS), gastric emptying rate, gastric emptying time, and adverse drug events as secondary outcomes.
RESULTS A total of 67 eligible RCTs involving 4790 DGP patients and 7 TCM decoctions were included. The results of network meta-analysis (NMA) and surface under the cumulative ranking curve showed that with western medicine (WM) as a common control, the Banxia Xiexin Decoction (BXXD) + WM was most effective in clinical effects and enhancing early satiety scores; the Simo decoction (SMD) + WM was most effective in improving nausea and vomiting scores and anorexia scores, bloating scores; the Chaishao Liujunzi Decoction (CSLJD) was most effective in MOT, the Zhishi Xiaopi Decoction (ZSXPD) was most effective in SS and upgrading emptying rate; the Jianpi Xiaozhi Decoction was most effective in GAS; the CSLJD + WM was most effective in improving gastric emptying time.
CONCLUSION These NMA results suggest that the BXXD + WM and SMD + WM may be one of the potential optimal treatments. Due to various limitations, further large-sample, double-blind, multi-center randomized RCTs are needed.
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Affiliation(s)
- Yu-Xin Zhang
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Yan-Jiao Zhang
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Run-Yu Miao
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
- Graduate College, Beijing University of Chinese Medicine, Graduate College, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Xin-Yi Fang
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
- Graduate College, Beijing University of Chinese Medicine, Graduate College, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jia-Hua Wei
- Graduate College, Changchun University of Chinese Medicine, Changchun 130117, Jilin Province, China
| | - Yu Wei
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
- Graduate College, Beijing University of Chinese Medicine, Graduate College, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jia-Ran Lin
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
- Graduate College, Beijing University of Chinese Medicine, Graduate College, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jia-Xing Tian
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
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Chen J, Liang FX, Wu S, Chen ZQ, Chen B, Zhou T, Gu XL, Li CL, Shi YP, Yan P, Tian LL, Xu CC, Chen BL, Chen S. [Clinical research of acupuncture therapy combined with domperidone in treatment of diabetic gastroparesis of liver stagnation and spleen deficiency]. Zhen Ci Yan Jiu 2023; 48:88-94. [PMID: 36734504 DOI: 10.13702/j.1000-0607.20211215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE To observe the clinical efficacy of shuanggu yitong acupuncture therapy (the therapy for both replenishment and unblocking) combined with domperidone on diabetic gastroparesis (DGP) of liver stagnation and spleen deficiency pattern and explore its effect mechanism. METHODS DGP patients differentiated as liver stagnation and spleen deficiency pattern were divided into a control group (n=42) and an observation group (n=42) according to the random number table. The patients in the control group took domperidone tablets orally, 10 mg each time, 3 times a day for 28 days. In the observation group, on the base of the treatment as the control group, shuanggu yitong acupuncture therapy was applied to Baihui (GV20), Shenting (GV24), Zhongwan (CV12), bilateral Zusanli (ST36), Hegu (LI4)and Taichong (LR3), stimulated for 30 min in each treatment. Acupuncture was given once daily, 3 times a weeks for 28 days consecutively. Fasting blood glucose (FBG), 2-hour postprandial blood glucose (2 h PBG) and glycosylated hemoglobin (HbA1c) were detected before and after treatment in the patients of two groups separately. The score of symptom severity index of gastroparesis (GCSI), traditional Chinese medicine (TCM) syndrome score and gastric emptying rate were assessed in the patients of two groups. Using ELISA, radioimmunoassay and colorimentry methods, the contents of motilin in plasma, gastrin, tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), interleukin-1β (IL-1β) and interferon-gamma (INF-γ) in serum, as well as the activity of superoxide dismutase (SOD), reactive oxygen species (ROS) and malondialdehyde (MDA) in the serum were determined in the two groups. The clinical curative effect was evaluated. RESULTS After treatment, the levels of FBG, 2 h PBG and HbA1c, the scores of GCSI and TCM syndrome, the contents of motilin in plasma, gastrin, TNF-α and MDA, as well as the activity of ROS in serum were all reduced when compared with those before treatment in each group (P<0.05, P<0.01), while gastric emptying rate and SOD activity in the serum were higher than those before treatment (P<0.05, P<0.01). After treatment, the serological content of INF-γ was lower than that before treatment in the control group (P<0.05), and the contents of IL-6 and IL-1β were reduced than those before treatment in the observation group (P<0.05). Compared with the control group, the levels of FBG, 2 h PBG and HbA1c, the scores of GCSI and TCM symptoms, the contents of motilin in plasma, gastrin, TNF-α, MDA, IL-6 and IL-1β, and the activity of ROS in serum in the observation group were all lower significantly (P<0.05, P<0.01), while the SOD activity and gastric emptying rate in the observation group were higher than those in the control group (P<0.05, P<0.01). The total effective rate was 90.5% (38/42) in the observation group, better than the control group (73.8%, 31/42, P<0.05). CONCLUSION Shuanggu yitong acupuncture therapy combined with domperidone remarkably relieves the clinical symptoms and improves the gastric emptying rate, effectively reduces motilin and gastrin and regulates oxidative stress and inflammatory responses in the patients with DGP of liver stagnation and spleen deficiency.
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Affiliation(s)
- Jia Chen
- College of Acupuncture and Orthopaedics, Hubei University of Chinese Medicine, Wuhan 430061, China
| | - Feng-Xia Liang
- College of Acupuncture and Orthopaedics, Hubei University of Chinese Medicine, Wuhan 430061, China
| | - Song Wu
- College of Acupuncture and Orthopaedics, Hubei University of Chinese Medicine, Wuhan 430061, China
| | - Zi-Qin Chen
- College of Acupuncture and Orthopaedics, Hubei University of Chinese Medicine, Wuhan 430061, China
| | - Bei Chen
- College of Acupuncture and Orthopaedics, Hubei University of Chinese Medicine, Wuhan 430061, China
| | - Ting Zhou
- College of Acupuncture and Orthopaedics, Hubei University of Chinese Medicine, Wuhan 430061, China
| | - Xiao-Lei Gu
- College of Acupuncture and Orthopaedics, Hubei University of Chinese Medicine, Wuhan 430061, China
| | - Chong-Li Li
- College of Acupuncture and Orthopaedics, Hubei University of Chinese Medicine, Wuhan 430061, China
| | - Yan-Ping Shi
- College of Acupuncture and Orthopaedics, Hubei University of Chinese Medicine, Wuhan 430061, China
| | - Peng Yan
- Jingzhou Second People's Hospital, Jingzhou 434000, Hubei Province
| | - Ling-Ling Tian
- Jingzhou Second People's Hospital, Jingzhou 434000, Hubei Province
| | - Chi-Cheng Xu
- Jingzhou Second People's Hospital, Jingzhou 434000, Hubei Province
| | - Bo-Lin Chen
- Jingzhou Second People's Hospital, Jingzhou 434000, Hubei Province
| | - Song Chen
- Salt in Jintan Salt Limited Liability Company in Post-doctoral Research Station, Changzhou 213000, Jiangsu Province; College of Humanities Postdoctoral Station, Xiamen University, Xiamen 361005, Fujian Province; College of Acupuncture and Orthopaedics, Hubei University of Chinese Medicine, Wuhan 430061, China; Jingzhou Second People's Hospital, Jingzhou 434000, Hubei Province
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Zhang TH, Zhao ST, Li XY, Xiao XJ, Xiao L, Wei X, Peng Y. [Electroacupuncture promotes gastrointestinal motility by activating autophagy of Cajal interstitial cells via downregulating PI3K/Akt/mTOR signaling pathway in stomach of diabetic gastro-paresis rats]. Zhen Ci Yan Jiu 2022; 47:1060-7. [PMID: 36571220 DOI: 10.13702/j.1000-0607.20211241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
OBJECTIVE To observe the effect of electroacupuncture (EA) of "Zusanli" (ST36), "Sanyinjiao" (SP6) and "Liangmen" (ST21) on gastrointestinal motility, blood glucose content and expression of autophagy-related proteins 1 light chain 3 (LC3), p62, phosphatidyli-nositol-3 kinase (PI3K), protein kinase B (Akt), p-Akt and mammalian target protein of rapamycin (mTOR) of interstitial cells of Cajal (ICCs) in the cultured gastric antrum cells in diabetic gastroparesis (DGP) rats, so as to reveal its mechanisms underlying improvement of DGP. METHODS A total of 45 Sprague Dawley (SD) rats were randomly divided into blank control, model, EA, medication (3-methyladenine, 3-MA) and EA+3-MA groups, with 9 rats in each group. The DGP model was established by intraperitoneal injection of 2% streptozotocin (STZ) combined with high-fat and high sugar diet for 8 weeks. The gastric emptying rate was measured by using gavage of phenol red (to measure the propelling length of the phenol red/total length of small intestine ×100%). The symptom score (mental state, coat color and luster, behavior and activity, stool traits) of rats was observed every week and the blood glucose content was measured by using a glucometer. EA (20 Hz/100 Hz, 2 mA) was applied to unilateral ST36, SP6 and ST21 alternatively for 15 min, once daily, 5 days a week for 3 weeks. Rats of the 3-MA and 3-MA+EA groups received intraperitoneal injection of 3-MA (30 mg·kg-1·d-1, 10 mg/mL), once daily, 5 days a week for 3 weeks. After 15 days' intervention, the rats were operated for gastric emptying rate test, specimen collection, isolation, and culture of primary ICCs. The expression levels of microtubule associated protein LC3, p62, PI3K, Akt, p-Akt and mTOR of ICCs of cultured gastric antrum cells were detected using Western blot, and the number of autophagosomes in ICC of gastric antrum was observed under transmission electron microscope. RESULTS Compared with the blank control group, the symptom score, blood glucose, and the expression levels of p62, class Ⅰ PI3K, Akt, p-Akt and mTOR proteins were increased significantly (P<0.01), while the gastric emptying rate and ratio of LC3Ⅱ/LC3Ⅰ and the expression level of class Ⅲ PI3K protein were significantly decreased (P<0.05, P<0.01) in the model group. In comparison with the model group, the increase of symptom score, blood glucose, and expression levels of p62, class Ⅰ PI3K, Akt, p-Akt and mTOR proteins and the decrease of gastric empty rate and LC3Ⅱ/LC3Ⅰ ratio and the expression level of class Ⅲ PI3K protein were all reversed in both EA and EA+3-MA groups (P<0.05, P<0.01), rather than in the 3-MA group. In addition, 3-MA also reversed modeling-induced increase of class Ⅰ PI3K, Akt, p-Akt and mTOR proteins expression (P<0.01). No significant differences were found between the EA and EA+3-MA in downregulating the levels of symptom score and blood glucose content, and in upregulating gastric empty rate(P>0.05). The effect of EA was notably superior to that of EA+3-MA in upregulating the ratio of LC3Ⅱ/LC3Ⅰ and the expression level of class Ⅲ PI3K protein, and in downregulating the expression of p62, class Ⅰ PI3K, Akt, p-Akt and mTOR proteins (P<0.05, P<0.01). The findings of transmission electron microscopy showed obvious swelling, breakage of some mitochondrial cristae in the ICC cells of antrum and no autophagosomes in the model group and 3-MA group, which was milder in the damage of mitochondrial cristae and marked increase in the autophagosomes in both EA and EA+3-MA groups. CONCLUSION EA can improve the gastrointestinal motility and symptoms in DGP rats, which may be related to its functions in downregulating PI3K/Akt/mTOR signaling to promote autophagy level of ICC.
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Affiliation(s)
- Tian-Hua Zhang
- College of Acupuncture-Moxibustion-Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Sha-Tong Zhao
- College of Acupuncture-Moxibustion-Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Xiao-Yu Li
- College of Acupuncture-Moxibustion-Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Xiao-Juan Xiao
- College of Acupuncture-Moxibustion-Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Le Xiao
- College of Acupuncture-Moxibustion-Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Xing Wei
- College of Acupuncture-Moxibustion-Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Yan Peng
- College of Acupuncture-Moxibustion-Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha 410208, China
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Betônico CC, Cobello AV, Santos-Bezerra DP, de A. Leite AZ, Correa-Giannella ML, Nery M, Queiroz MS. Diet consistency modification improves postprandial glycemic and gastroparesis symptoms. J Diabetes Metab Disord 2022; 21:1661-1667. [PMID: 36404814 PMCID: PMC9672186 DOI: 10.1007/s40200-022-01117-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 08/23/2022] [Indexed: 12/01/2022]
Abstract
Abstract Diabetic gastroparesis (DGP) is an autonomic neuropathy resulting from long-standing poorly controlled diabetes, and it is also linked to fluctuations in glycemic control due to variability on nutrient absorption. Objectives Considering the scarcity of information, the aim of this study was to identify the impact of modifications on diet consistency on post-prandial glucose variability using a continuous glucose monitoring (CGM) and its effect on the perception and severity of gastrointestinal symptoms. Methods This proof-of-concept study was carried out in a cross-sectional cohort of six individuals with type 1 diabetes mellitus with confirmed diagnosis of DGP. Two types of diet were used to evaluate glycemic control and DGP symptoms, general consistency standard meal (SD) and modified consistency test diet (MD), associated with an application of rapid acting insulin at the time of food intake. Glycemic control was evaluated by CGM, and the Gastroparesis Cardinal Symptom Index (GCSI) was applied after meals. Results The CGM curve was different for MD + insulin and SD + insulin. There was a smaller increment of interstitial glucose with 2 h after MD + insulin, returning almost to the basal level 4 h later. Patients scored significantly lower GCSI after MD + insulin compared to the same index after they received SD + insulin. Moreover, there was a decrease in important clinical scores present in the index, like: "Not able to finish meal", "Loss of appetite" and "Stomach or belly feels larger". Conclusion This study showed that a modified diet can improve postprandial glycemic excursion and the perception and severity of gastroparesis symptoms. Supplementary Information The online version contains supplementary material available at 10.1007/s40200-022-01117-w.
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Affiliation(s)
- Carolina C. Betônico
- School of Medicine, UNIFAI–Faculdades Adamantinenses Integradas, Adamantina, São Paulo, Brazil
| | - Aline Vial Cobello
- Nutrition and Dietetics Division, Central Institute of Clinics Hospital, University of São Paulo Medical School, São Paulo, Brazil
| | - Daniele P. Santos-Bezerra
- Laboratory of Carbohydrates and Radioimmunoassays (LIM-18), Discipline of Endocrinology and Metabolism, Faculdade de Medicina, Universidade São Paulo, São Paulo, Brazil
- School of Medicine, São Paulo, SP Brazil
| | - André Z. de A. Leite
- Laboratory of Medical Investigation (LIM-07), Universidade de Sao Paulo Hospital das Clínicas Sao Paulo, São Paulo, Brazil
| | - Maria Lúcia Correa-Giannella
- Laboratory of Carbohydrates and Radioimmunoassays (LIM-18), Discipline of Endocrinology and Metabolism, Faculdade de Medicina, Universidade São Paulo, São Paulo, Brazil
- School of Medicine, São Paulo, SP Brazil
| | - Márcia Nery
- Endocrinology Division, Internal Medicine Department, Hospital das Clinicas Faculdade de Medicina, Universidade São Paulo, São Paulo, Brazil
| | - Márcia S. Queiroz
- Department of Graduation in Medicine, Universidade Nove de Julho (UNINOVE), Rua Vergueiro, 235/249 - Liberdade, São Paulo, SP 01525-000 Brazil
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Mai W, Fan YS, Miao FR. [Effect of electroacupuncture combined with Zhuang-medicine-thread moxibustion on expression of apoptosis-related factors in gastric antrum of diabetic gastroparesis rats]. Zhen Ci Yan Jiu 2022; 47:801-808. [PMID: 36153455 DOI: 10.13702/j.1000-0607.20220268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
OBJECTIVE To observe the effect of electroacupuncture (EA) combined with Zhuang-medicine-thread moxibustion on expression of apoptosis-related factors in gastric antrum of diabetic gastroparesis (DGP) rats, so as to explore its mechanism underlying improvement of DGP. METHODS Male SD rats were randomly divided into normal, model, medication, EA, Zhuang-medicine-thread moxibustion (moxibustion) and EA+moxibustion (combination) groups (12 rats in each group). The DGP model was established by intraperitoneal injection of streptozotocin (STZ). Rats of the medication group were treated by gavage of 0.15 mg/mL mosapride citrate suspension (10 mL/kg). EA (10 Hz/50 Hz, 2 mA, 20 min) or Zhuang-medicine-thread moxibustion (3 cones) was applied to "Zhongwan" (CV12), bilateral "Neiguan" (PC6) and bilateral "Sanyinjiao" (SP6) of the related groups, once a day for 3 weeks. The blood glucose, gastric emptying rate and intestinal propulsion rate of rats were measured. The apoptosis index of gastric antrum cells were observed by TUNEL staining. The protein and mRNA expressions of Caspase-3, B-cell lymphoma/leukemia-2 (Bcl-2) and Bcl-2 associated X protein (Bax) in gastric antrum were detected by Wes-tern blot and real-time quantitative PCR, respectively. RESULTS Compared with the normal group, the blood glucose, the apoptosis index, the protein and gene expressions of Caspase-3 and Bax were significantly increased (P<0.01), and the gastric emptying rate, intestinal propulsive rate, the protein and gene expressions of Bcl-2 were considerably decreased (P<0.01) in the model group. In contrast to the model group, the blood glucose in the EA, moxibustion and combination groups, the apoptosis index in the 4 treatment groups, as well as Caspase-3 protein, Bax protein and mRNA expressions in the medication, EA and combination groups, Caspase-3 protein and mRNA, Bax mRNA expressions in the moxibustion group were significantly decreased (P<0.01, P<0.05); while the gastric emptying rate and intestinal propulsive rate in the 4 treatment groups, and Bcl-2 protein and mRNA expressions in the medication and combination groups, Bcl-2 mRNA expressions in the EA and moxibustion groups were obviously increased (P<0.01). The effects of EA+moxibustion were significantly superior to those of simple EA, moxibustion or medication in increasing gastric emptying rate and intestinal propulsive rate, and in lowering blood glucose (P<0.05, P<0.01). And the effects of the combination treatment were better than those of EA in lowering Caspase-3 protein and Bax mRNA expressions (P<0.01), and in increasing Bcl-2 protein and mRNA expressions (P<0.05, P<0.01). Also the effects of the combination treatment were better than those of moxibustion in lowering the apoptosis index, Caspase-3 protein, and Bax protein and mRNA expressions (P<0.01, P<0.05), and in increasing Bcl-2 protein expression (P<0.05). CONCLUSION EA combined with Zhuang-medicine-thread moxibustion can reduce blood glucose and improve gastrointestinal motility in DGP rats, which may be related to its effect in regulating of Caspase-3, Bax and Bcl-2 expression.
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Affiliation(s)
- Wei Mai
- College of Acupuncture-moxibustion and Tuina, Guangxi University of Chinese Medicine, Nanning 530001,China
| | - Yu-Shan Fan
- College of Acupuncture-moxibustion and Tuina, Guangxi University of Chinese Medicine, Nanning 530001,China
| | - Fu-Rui Miao
- College of Acupuncture-moxibustion and Tuina, Guangxi University of Chinese Medicine, Nanning 530001,China
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Mai W, Fan YS, Miao FR, Huang JW. [Effect of electroacupuncture combined with Zhuang-medicine-thread moxibustion on oxidative stress in gastric antrum of diabetic gastroparesis rats]. Zhen Ci Yan Jiu 2022; 47:655-664. [PMID: 36036097 DOI: 10.13702/j.1000-0607.20211273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
OBJECTIVE To observe the effect of electroacupuncture (EA) combined with Zhuang-medicine-thread moxibustion on oxidative stress-related indicators in diabetic gastroparesis (DGP) rats, so as to explore its mechanism underlying improvement of DGP. METHODS Male SD rats were randomly divided into normal, model, medication, EA, Zhuang-medicine-thread moxibustion (moxibustion) and EA+Zhuang-medicine-thread moxibustion (combination) groups (15 rats in each group). The DGP model was established by intraperitoneal injection of streptozotocin (STZ). Rats of the medication group were treated by gavage of 0.15 mg/mL mosapride citrate suspension(10 mL/kg). EA (10 Hz/50 Hz, 2 mA, 20 min) or Zhuang-medicine-thread moxibustion (3 cones) was applied to "Zhongwan" (CV12), bilateral "Neiguan" (PC6) and bilateral "Sanyinjiao" (SP6) of the related groups, once a day for 3 weeks. The body weight, blood glucose, gastric emptying rate and intestinal propulsion rate of rats were measured. The serum malondialdehyde (MDA) content was measured by thiobarbituric acid method, the serum supero-xide dismutase (SOD) activity was measured by xanthine oxidase method, and the serum reactive oxygen species (ROS) activity was detected by ELISA. HE staining was used to observe the pathological changes of gastric antrum. The expression of heme oxygenase-1 (HO-1), nuclear factor erythroid 2-related factor 2 (Nrf2), nicotin-amide adenine dinucleotide phosphate oxidases (NOX4), peroxisome proliferators activated receptor-gamma coactivator 1α(PGC-1α) proteins and mRNAs in gastric antrum was detected by Western blot and real-time quantitative PCR, respectively. RESULTS Compared with the normal group, the body weight, gastric emptying rate, intestinal propulsion rate, serum SOD activity, the expressions of HO-1, PGC-1α, total Nrf2 proteins and mRNAs, and Nrf2 nuclear translocation in gastric antrum were decreased (P<0.01), while the blood glucose, serum MDA content and ROS activity, NOX4 protein and mRNA expressions in gastric antrum were increased (P<0.01) in the model group. Compared with the model group, the blood glucose was decreased in the EA, moxibustion and combination groups (P<0.01); the body weight, gastric emptying rate, intestinal propulsion rate, and the expressions of HO-1 and PGC-1α mRNAs in gastric antrum were all increased in the four treatment groups (P<0.01, P<0.05), while the serum MDA content and ROS activity, NOX4 protein and mRNA expressions in gastric antrum were all decreased (P<0.01); the serum SOD activity and total Nrf2 protein expression in gastric antrum were increased in medication, moxibustion and combination groups (P<0.01, P<0.05); the expressions of HO-1 and PGC-1α proteins, and Nrf2 nuclear translocation in gastric antrum were increased in medication and combination groups (P<0.05, P<0.01); the expression of Nrf2 mRNA was increased in the medication, EA and combination groups (P<0.01, P<0.05). Compared with the combination group, the body weight, gastric emptying rate and intestine propulsion rate were decreased in the medication, EA and moxibustion groups(P<0.01, P<0.05), and the blood glucose increased (P<0.01); the serum MDA content and ROS activity, NOX4 protein and mRNA expressions in gastric antrum were increased (P<0.01, P<0.05), serum SOD activity, and the expressions of total Nrf2 protein, PGC-1α protein and mRNA, HO-1 mRNA in gastric antrum were decreased (P<0.01, P<0.05) in the EA and moxibustion groups; the expression of Nrf2 mRNA was decreased in the moxibustion group (P<0.05). HE staining showed a large number of inflammatory cell infiltration in the lamina propria and submucosa, and the gastric glands in the lamina propria were significantly expanded, the submucosa was severely edematous in the model group, which were relative milder in the four treatment groups. CONCLUSION EA combined with Zhuang-medicine-thread moxibustion can effectively improve the activity of antioxidant enzymes, reduce the production of lipid peroxide, and regulate the expression of antioxidant related proteins and genes, which may be one of the mechanisms in treating DGP.
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Affiliation(s)
- Wei Mai
- College of Acupuncture-moxibustion and Tuina, Guangxi University of Chinese Medicine, Nanning 530001, China
| | - Yu-Shan Fan
- College of Acupuncture-moxibustion and Tuina, Guangxi University of Chinese Medicine, Nanning 530001, China
| | - Fu-Rui Miao
- College of Acupuncture-moxibustion and Tuina, Guangxi University of Chinese Medicine, Nanning 530001, China
| | - Jing-Wen Huang
- College of Acupuncture-moxibustion and Tuina, Guangxi University of Chinese Medicine, Nanning 530001, China
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Mai W, Fan YS, Miao FR, He C, Huang LL, Zhao XJ, Nie YJ, Pang RK. [Effect of electroacupuncture combined with Zhuang-medicine-thread moxibustion on silent information regulator-1/nuclear factor κB signaling pathway in gastric antrum of diabetic gastroparesis rats]. Zhen Ci Yan Jiu 2021; 46:837-844. [PMID: 34698457 DOI: 10.13702/j.1000-0607.200942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
OBJECTIVE To observe the effect of electroacupuncture (EA) combined with Zhuang-medicine-thread moxibustion on silent information regulator-1 (SIRT1)/nuclear factor kappa B (NF-κB) signal pathway and inflammatory factor expression in gastric antrum tissue of diabetic gastroparesis (DGP) rats, so as to explore its mechanism underlying improvement of DGP. METHODS Male SD rats were randomly divided into normal, model, medication, EA, Zhuang-medicine-thread moxibustion (moxibustion) and EA+moxibustion groups (n=12 per group). The DGP model was established by intraperitoneal injection of streptozotocin (STZ). Rats of the medication group were treated by gavage of 0.15 mg/mL mosapride citrate suspension. EA (10 Hz /50 Hz, 2 mA) or moxibustion (3 cones) or EA+moxibustion was applied to "Zhongwan"(CV12), bilateral "Neiguan"(PC6) and bilateral "Sanyinjiao"(SP6) of the related group for 20 min, once a day for 3 weeks. Blood glucose, gastric emptying rate and intestinal propulsion rate were measured. The levels of serum interleukin (IL)-6, IL-8, IL-10 and tumor necrosis factor-α(TNF-α) were detected by ELISA; the phosphorylation level of the phosphorylated inhibitor of nuclear factor κBα inhibitor (pIκ-Bα), the protein and mRNA expression of NF-κB p65 and SIRT1 in the gastric antrum tissue were detected by Western blot and real-time quantifitative PCR, respectively. RESULTS (1) Compared with the normal group, the levels of blood glucose, serum IL-6, IL-8, TNF-α, and gastric pIκ-Bα and NF-κB p65 protein and mRNA expressions were significantly increased (P<0.01), and the gastric emptying rate, intestinal propulsion rate, serum IL-10 level, and SIRT1 protein and mRNA expressions were considerably decreased in the model group (P<0.01). (2) In contrast to the model group, the blood glucose in the EA, moxibustion and EA+moxibustion groups, serum IL-6, IL-8 and TNF-α levels in the 4 treatment groups, as well as NF-κB p65 protein expression in the medication and EA+moxibustion groups, and NF-κB p65 mRNA expression and pIκ-Bα protein and mRNA expression in the 4 treatment groups were significantly decreased (P<0.01, P<0.05); while the gastric emptying rate and intestinal propulsive rate and IL-10 content in the 4 treatment groups, and SIRT1 protein and mRNA expression in the medication and EA+moxibustion groups were obviously increased (P<0.05, P<0.01). (3) The effects of EA+moxibustion were significantly superior to those of simple EA and moxibustion in increasing gastric emptying rate, IL-10, SIRT1 protein expression (P<0.05, P<0.01), and in lowering IL-8 and TNF-α contents, pIκ-Bα protein and mRNA expression and NF-κB p65 mRNA expression (P<0.05, P<0.01). No significant differences were found among the 4 intervention groups in promoting the intestinal propulsive rate and among the EA, moxibustion and EA+moxibustion groups in lowering blood glucose (P>0.05). CONCLUSION EA combined with Zhuang-medicine-thread moxibustion can effectively reduce the level of serum inflammatory factors and regulate SIRT1/NF-κB signal pathway in DGP rats, which may contribute to its function in improving gastrointestinal movement.
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Affiliation(s)
- Wei Mai
- Graduate School, Guangxi University of Chinese Medicine, Nanning 530001, China
| | - Yu-Shan Fan
- College of Acupuncture-moxibustion and Tuina, Guangxi University of Chinese Medicine, Nanning 530001, China
| | - Fu-Rui Miao
- Graduate School, Guangxi University of Chinese Medicine, Nanning 530001, China
| | - Cai He
- Graduate School, Guangxi University of Chinese Medicine, Nanning 530001, China
| | - Li-Lin Huang
- Graduate School, Guangxi University of Chinese Medicine, Nanning 530001, China
| | - Xiao-Jun Zhao
- Graduate School, Guangxi University of Chinese Medicine, Nanning 530001, China
| | - Ying-Jie Nie
- Graduate School, Guangxi University of Chinese Medicine, Nanning 530001, China
| | - Rui-Kang Pang
- Graduate School, Guangxi University of Chinese Medicine, Nanning 530001, China
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Jain S, Dhingra VK, Kant R, Kumari R. Comparison of gastric motility in patients of type 2 diabetes mellitus with various degrees of glycemic control. World J Nucl Med 2021; 20:336-341. [PMID: 35018147 PMCID: PMC8686750 DOI: 10.4103/wjnm.wjnm_112_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/06/2020] [Accepted: 09/19/2020] [Indexed: 11/20/2022] Open
Abstract
The aim of this study was to evaluate the effect of glycemic control as estimated by glycated hemoglobin A1c (HbA1c) on gastric emptying in patients with type 2 diabetes mellitus (DM) using gastric emptying scintigraphy (GES). This was a cross-sectional study conducted at a tertiary health care center in Northern India. The study included 44 patients who underwent GES using a radiolabeled solid Idli meal containing 1 mCi of Tc-99 m Sulfur Colloid. Patients were divided into three groups based on glycemic control as Group A, B, and C with HbA1c <7%, 7%–9%, and >9%. Statistical analysis was performed using the IBM® SPSS® Statistics Version 23.0 The comparison of proportions was done using the Chi-square test and Fisher's exact test. Means were compared using the independent t-test and one-way analysis of variance. P < 0.05 was considered statistically significant. No statistically significant correlation was found between delayed gastric emptying and glycemic control (P = 0.09), gender (P = 0.228), dietary patterns (P = 0.91), symptoms of gastroparesis (P = 0.06), body mass index (BMI) (P = 0.267), and duration of type 2 DM (P = 0.565). No statistically significant association was also found between glycemic control and time taken for half gastric emptying (t1/2) (P = 0.225). Scintigraphy using Tc-99m Sulfur Colloid radiolabeled Idli meal can be effectively used for the assessment of gastric emptying. There is no significant correlation of delayed gastric emptying with glycemic control, gender, BMI, type of diet, and duration of diabetes mellitus.
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Affiliation(s)
- Sanchay Jain
- Department of Nuclear Medicine, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
| | - Vandana Kumar Dhingra
- Department of Nuclear Medicine, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
| | - Ravi Kant
- Department of General Medicine, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
| | - Ranjeeta Kumari
- Department of Community and Family Medicine, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
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Kichloo A, Dahiya DS, Wani F, Edigin E, Singh J, Albosta M, Mehboob A, Shaka H. Diabetic and Non- Diabetic Gastroparesis: A Retrospective Comparative Outcome Study From the Nationwide Inpatient Sample. Gastroenterology Res 2021; 14:21-30. [PMID: 33737996 PMCID: PMC7935612 DOI: 10.14740/gr1364] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 02/11/2021] [Indexed: 01/15/2023] Open
Abstract
Background Gastroparesis (GP), meaning “gastric palsy”, is a chronic medical condition characterized by delayed or absent gastric emptying in the absence of mechanical obstruction. The primary objective of this study was to determine the patient-specific outcomes and the burden of GP on the US healthcare system. Methods This was a population-based, retrospective study designed to analyze data available from the Nationwide Inpatient Sample (NIS) for 2016 and 2017. Using the International Classification of Diseases, Tenth Revision (ICD-10) codes, we identified adult (18 years or older) hospitalizations with a principal diagnosis of GP. The study sample was further classified into two distinct groups based on the presence or absence of GP, namely diabetic GP (DGP) and non-diabetic GP (NDGP). The primary outcome of our study was inpatient mortality secondary to GP while the secondary outcomes included the odds of system-based complications and the burden of the disease on the United States healthcare system. Results We identified 99,695 adult (≥ 18 years) hospitalizations with a principal discharge diagnosis of GP in 2016 and 2017. Of these patients, 78.1% (77,885) had DGP and 21.9% (21,810) were classified in the NDGP group. We noted a higher proportion of women (79.3% vs. 63.4%, P < 0.001), patients with a history of smoking (35.8% vs. 31.7%, P < 0.001) and chronic obstructive pulmonary disease (10.7% vs. 7.6%, P < 0.001) in the NDGP group. After adjusting for common confounders excluding age, the inpatient mortality for GP was found to be 0.25%. Furthermore, after adjustments were made for the Charlson comorbidity index (CCI), we noted higher odds of mortality in the NDGP group (0.30% vs. 0.23%, adjusted odds ratio (aOR): 3.18, 95% confidence interval (CI): 1.75 - 5.79, P < 0.001) compared to the DGP group. Additionally, patients with NDGP had a higher mean length of stay (5 vs. 4.1 days, P < 0.001) and higher mean total hospital charge ($44,100 vs. $35,500, P < 0.001) compared to those with DGP. The NDGP group also had higher odds of sepsis, deep vein thrombosis (DVT) and pulmonary embolism (PE); however, the odds of developing acute kidney injury (AKI) were lower than that of the DGP group. Conclusions The inpatient mortality for GP was found to be 0.25%. After adjusting for CCI, patients with NDGP had higher odds of inpatient mortality compared to the DGP group. Additionally, patients with NDGP were associated with a longer length of hospital stay, mean total healthcare cost and higher odds of complications such as sepsis, DVT and PE during the hospitalization.
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Affiliation(s)
- Asim Kichloo
- Department of Internal Medicine, Central Michigan University, College of Medicine, Saginaw, MI, USA.,Department of Internal Medicine, Samaritan Medical Center, Watertown, NY, USA
| | - Dushyant Singh Dahiya
- Department of Internal Medicine, Central Michigan University, College of Medicine, Saginaw, MI, USA
| | - Farah Wani
- Department of Family Medicine, Samaritan Medical Center, Watertown, NY, USA
| | - Ehizogie Edigin
- Department of Internal Medicine, Geisinger Commonwealth School of Medicine, Scranton, PA, USA
| | - Jagmeet Singh
- Department of Internal Medicine, John H. Stronger Jr. Hospital of Cook County, Chicago, IL, USA
| | - Micheal Albosta
- Department of Internal Medicine, Central Michigan University, College of Medicine, Saginaw, MI, USA
| | - Asad Mehboob
- Department of Gastroenterology, Covenant Healthcare, Saginaw, MI, USA
| | - Hafeez Shaka
- Department of Internal Medicine, Geisinger Commonwealth School of Medicine, Scranton, PA, USA
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Petri M, Singh I, Baker C, Underkofler C, Rasouli N. Diabetic gastroparesis: An overview of pathogenesis, clinical presentation and novel therapies, with a focus on ghrelin receptor agonists. J Diabetes Complications 2021; 35:107733. [PMID: 32948398 DOI: 10.1016/j.jdiacomp.2020.107733] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 08/29/2020] [Accepted: 08/29/2020] [Indexed: 12/19/2022]
Abstract
Diabetic gastroparesis is defined as delayed gastric emptying without mechanical obstruction in the setting of diabetes. Symptoms range from mild bloating to severe vomiting episodes and can result in frequent hospitalizations and poor quality of life. It is suspected that diabetic gastroparesis is underdiagnosed due to its similar presentation to other conditions such as gastroesophageal reflux disease. The pathogenesis of diabetic gastroparesis remains unclear, but proposed mechanisms include vagal dysfunction, hyperglycemia, interstitial cells of Cajal network disturbances, loss of neural nitric oxide synthase expression in the myenteric plexus, and oxidative stress. Current management for diabetic gastroparesis focuses on dietary and lifestyle changes as well as improved glycemic control. Limited options for medical therapies are available that include prokinetic and antiemetic medications. Metoclopramide is the only FDA-approved medication for the treatment of gastroparesis. Metoclopramide improves symptoms of gastroparesis although extended treatment presents challenges such as decreased efficacy over time and increased risks for adverse events. We summarize the current knowledge of the pathophysiology of diabetic gastroparesis and review current and investigational treatments for diabetes gastroparesis.
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Affiliation(s)
- Madison Petri
- Department of Medicine, University of Colorado Anschutz Medical Campus, 12401 East 17th Avenue, Aurora, CO, USA
| | - Inderpreet Singh
- Department of Medicine, University of Colorado Anschutz Medical Campus, 12401 East 17th Avenue, Aurora, CO, USA
| | - Chelsea Baker
- Department of Medicine, University of Colorado Anschutz Medical Campus, 12401 East 17th Avenue, Aurora, CO, USA
| | - Chantal Underkofler
- Department of Medicine, University of Colorado Anschutz Medical Campus, 12401 East 17th Avenue, Aurora, CO, USA
| | - Neda Rasouli
- Department of Medicine, University of Colorado Anschutz Medical Campus, 12401 East 17th Avenue, Aurora, CO, USA.
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16
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Smiley R, McCallum R, Showkat Ali M. Decreased Level of Neuropeptide Y Is Associated With Gastroparesis in Male Diabetic Rats. Gastroenterology Res 2021; 13:246-252. [PMID: 33447303 PMCID: PMC7781275 DOI: 10.14740/gr1322] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 10/21/2020] [Indexed: 11/13/2022] Open
Abstract
Background Substance P (SP) and neuropeptide Y (NPY), excitatory and inhibitory neuropeptides, respectively, may impact gastric motility in patients with diabetic mellitus (DM). We investigated these neuropeptide levels, NPY receptors, total nitric oxide synthase (NOS) levels, and neuronal NOS alpha (nNOSα) activation status and levels in streptozotocin-induced type I diabetes in male rats. Methods Rats were grouped based on serum glucose and gastric emptying time: normal untreated control (CM), diabetic (DM) and diabetic gastroparesis (DM + GP). Neuropeptide serum levels were determined by enzyme-linked immunosorbent assay (ELISA). Sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE) and western blotting measured NPY receptors, Y1 and Y2, and nNOSα expression. Low-temperature SDS-PAGE followed by western blotting was used to measure the dimerization of nNOSα. An NOS colorimetric assay kit was used to measure total NOS activity. Results SP levels were significantly decreased (P < 0.05) in DM and DM + GP compared to CM. NPY levels were significantly decreased (P < 0.05) in DM compared to CM, and DM + GP had a more significantly decreased NPY when compared to both DM and CM. Protein levels of neuropeptide receptor Y1 (NPY-Y1) in the smooth muscle of pylorus were significantly increased in DM, but not in DM + GP when compared to CM. Neuropeptide receptor Y2 (NPY-Y2) was not detected. Changes in nNOSα activity and their protein levels, as well as total NOS activity, among the groups were insignificant. Conclusions Increased expression of pylorus NPY-1R and decreased serum NPY are present in diabetes. A more pronounced decreased serum NPY with no NPY-1R upregulation in pyloric smooth muscle is associated with gastroparesis. NPY levels show no relationship with nNOSα levels, their activation status, or total NOS activity in pyloric smooth muscle. These data suggest a pathophysiological role of severely depleted NPY and absence of NPY-Y1 upregulation for gastroparesis phenotype.
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Affiliation(s)
- Rebecca Smiley
- Department of Clinical Investigation, William Beaumont Army Medical Center, 5005 N. Piedras Street, El Paso, TX 79920-5001, USA
| | - Richard McCallum
- Department of Internal Medicine, Texas Tech Health Science Center, Paul L. Foster School of Medicine, 4800 Alberta Ave., El Paso, TX 79905-2709, USA
| | - Mohammed Showkat Ali
- Department of Clinical Investigation, William Beaumont Army Medical Center, 5005 N. Piedras Street, El Paso, TX 79920-5001, USA
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Wu T, Yue R, Li L, He M. Study on the Mechanisms of Banxia Xiexin Decoction in Treating Diabetic Gastroparesis Based on Network Pharmacology. Interdiscip Sci 2020; 12:487-498. [PMID: 32914205 DOI: 10.1007/s12539-020-00389-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 08/25/2020] [Accepted: 08/31/2020] [Indexed: 02/08/2023]
Abstract
In China, Banxia Xiexin decoction (BXD) is applied to treat diabetic gastroparesis (DGP), but its key active ingredients and mechanisms against DGP are unclear. This study is designated to reveal the molecular mechanisms of BXD in treating DGP by adopting a creative approach known as network pharmacology to explore the active ingredients and therapeutic targets of BXD. In our study, 730 differentially expressed genes of DGP were obtained, and 30 potential targets of BXD against DGP were screened out (including ADRB2, DRD1, FOS, MMP9, FOSL1, FOSL2, JUN, MAP2, DRD2, MYC, F3, CDKN1A, IL6, NFKBIA, ICAM1, CCL2, SELE, DUOX2, MGAM, THBD, SERPINE1, ALOX5, CXCL11, CXCL2, CXCL10, RUNX2, CD40LG, C1QB, MCL1, and ADCYAP1). Based on the findings, BXD contains 60 compounds with therapeutic effect on DGP, including the key active ingredients such as quercetin, wogonin, baicalein, beta-sitosterol, and kaempferol. Sixty-eight pathways including TNF signaling pathway, IL-17 signaling pathway, and AGE-RAGE signaling pathway were significantly enriched. In this study, the mechanisms of BXD in treating DGP are affirmed to be a complex network with multi-target and multi-pathway, which provides a reference for future experimental studies.
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Affiliation(s)
- Tingchao Wu
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, 610072, SiChuan, China
| | - Rensong Yue
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, 610072, SiChuan, China.
| | - Liang Li
- University of Electronic Science and Technology of China, Chengdu, SiChuan, China
| | - Mingmin He
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, 610072, SiChuan, China
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Wu X, Yang Z, Li Z, Yang L, Wang X, Wang C, Gu J. Increased expression of hypoxia inducible factor-1 alpha and vascular endothelial growth factor is associated with diabetic gastroparesis. BMC Gastroenterol 2020; 20:216. [PMID: 32650726 PMCID: PMC7350597 DOI: 10.1186/s12876-020-01368-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 07/02/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Gastroparesis is a recognized complication of diabetes but its pathogenic mechanism incompletely understood. Our aim was to determine whether HIF-1α and VEGF are secreted from gastric tissue is a fundamental factor that drives diabetic gastroparesis. METHODS Diabetes was induced in Sprague-Dawley by a single intraperitoneal injection of 65 mg/kg streptozotocin. After 4 and 12 weeks, rats were euthanized for assaying body weight, blood glucose, gastric acid secretion and gastric emptying. Morphologic changes in gastric mucosa were observed by the light microscope. Expression of HIF-1α and VEGF were assessed using immunohistochemistry, RT-PCR and Western blot analyses. RESULTS Compared with control group, blood glucose were significantly increased and body weight were markedly decreased in streptozotocin-induced diabetes. Gastric emptying was significantly decreased in diabetic rats compared to the control group at different times. The number of parietal cells was obviously decreased, and vacuolated degeneration in diabetic rats. Gastric acid secretion in diabetic group was significantly decreased, and expression of HIF-1α and VEGF were significantly increased in the diabetic group. CONCLUSION These results indicated that overexpression of HIF-1α and VEGF in the gastric mucosa and played a pivotal role in the progression of diabetic gastroparesis.
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Affiliation(s)
- Xueping Wu
- Department of Anatomy, Histology and Embryology, Shanghai University of Medicine & Health Sciences, 279 Zhouzhu Road, Pudong New District, Shanghai, China.
| | - Zhifang Yang
- Department of Physiology, Shanghai University of Medicine & Health Sciences, 279 Zhouzhu Road, Pudong New District, Shanghai, China
| | - Zhihong Li
- Department of Anatomy, Histology and Embryology, Shanghai University of Medicine & Health Sciences, 279 Zhouzhu Road, Pudong New District, Shanghai, China
| | - Ling Yang
- Department of Anatomy, Histology and Embryology, Shanghai University of Medicine & Health Sciences, 279 Zhouzhu Road, Pudong New District, Shanghai, China
| | - Xinyan Wang
- Department of Anatomy, Histology and Embryology, Shanghai University of Medicine & Health Sciences, 279 Zhouzhu Road, Pudong New District, Shanghai, China
| | - Congrong Wang
- Department of Anatomy, Histology and Embryology, Shanghai University of Medicine & Health Sciences, 279 Zhouzhu Road, Pudong New District, Shanghai, China
| | - Jun Gu
- Department of Anatomy, Histology and Embryology, Shanghai University of Medicine & Health Sciences, 279 Zhouzhu Road, Pudong New District, Shanghai, China
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Abstract
PURPOSE OF REVIEW Gastroparesis is an important complication of diabetes that may have a major impact on the quality of life as a result of upper gastrointestinal symptoms and impaired glycaemic control. Current management strategies include optimising blood glucose control, dietary modifications and supportive nutrition. Pharmacologic approaches with drugs that have prokinetic and/or antiemetic effects are also used widely; however, current available treatments have major limitations. There is increasing recognition that the rate of gastric emptying (GE) is a key determinant of the glycaemic response to a meal. RECENT FINDINGS There is ongoing uncertainty regarding the impact of longstanding hyperglycaemia on GE, which requires clarification. New diagnostic techniques have been developed to better characterise the mechanisms underlying gastroparesis in individual patients, and these have the potential to lead to more personalised therapy. Management of gastroparesis is complex and suboptimal; novel approaches are desirable. This review summarises recent advances in the understanding of diabetic gastroparesis, with an emphasis on the current therapies that influence GE, and the bidirectional relationship between glycaemic control and GE.
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Affiliation(s)
- Ryan Jalleh
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia.
| | - Chinmay S Marathe
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia
- Adelaide Medical School, University of Adelaide, Adelaide, South Australia, Australia
| | - Christopher K Rayner
- Adelaide Medical School, University of Adelaide, Adelaide, South Australia, Australia
- Department of Gastroenterology and Hepatology, Royal Adelaide Hospital, Adelaide, South Australia, Australia
| | - Karen L Jones
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia
- Adelaide Medical School, University of Adelaide, Adelaide, South Australia, Australia
| | - Michael Horowitz
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia
- Adelaide Medical School, University of Adelaide, Adelaide, South Australia, Australia
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20
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Parkman HP, Wilson LA, Hasler WL, McCallum RW, Sarosiek I, Koch KL, Abell TL, Schey R, Kuo B, Snape WJ, Nguyen L, Farrugia G, Grover M, Clarke J, Miriel L, Tonascia J, Hamilton F, Pasricha PJ. Abdominal Pain in Patients with Gastroparesis: Associations with Gastroparesis Symptoms, Etiology of Gastroparesis, Gastric Emptying, Somatization, and Quality of Life. Dig Dis Sci 2019; 64:2242-55. [PMID: 30852767 DOI: 10.1007/s10620-019-05522-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Accepted: 02/06/2019] [Indexed: 12/30/2022]
Abstract
UNLABELLED Abdominal pain can be an important symptom in some patients with gastroparesis (Gp). AIMS (1) To describe characteristics of abdominal pain in Gp; (2) describe Gp patients reporting abdominal pain. METHODS Patients with idiopathic gastroparesis (IG) and diabetic gastroparesis (DG) were studied with gastric emptying scintigraphy, water load test, wireless motility capsule, and questionnaires assessing symptoms [Patient Assessment of Upper GI Symptoms (PAGI-SYM) including Gastroparesis Cardinal Symptom Index (GCSI)], quality of life (PAGI-QOL, SF-36), psychological state [Beck Depression Inventory (BDI), State-Trait Anxiety Index (STAI), PHQ-15 somatization scale]. RESULTS In total, 346 Gp patients included 212 IG and 134 DG. Ninety percentage of Gp patients reported abdominal pain (89% DG and 91% IG). Pain was primarily in upper or central midline abdomen, described as cramping or sickening. Upper abdominal pain was severe or very severe on PAGI-SYM by 116/346 (34%) patients, more often by females than by males, but similarly in IG and DG. Increased upper abdominal pain severity was associated with increased severity of the nine GCSI symptoms, depression on BDI, anxiety on STAI, somatization on PHQ-15, the use of opiate medications, decreased SF-36 physical component, and PAGI-QOL, but not related to severity of delayed gastric emptying or water load ingestion. Using logistic regression, severe/very severe upper abdominal pain associated with increased GCSI scores, opiate medication use, and PHQ-15 somatic symptom scores. CONCLUSIONS Abdominal pain is common in patients with Gp, both IG and DG. Severe/very severe upper abdominal pain occurred in 34% of Gp patients and associated with other Gp symptoms, somatization, and opiate medication use. ClinicalTrials.gov Identifier: NCT01696747.
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21
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Sampath C, Sprouse JC, Freeman ML, Gangula PR. Activation of Nrf2 attenuates delayed gastric emptying in obesity induced diabetic (T2DM) female mice. Free Radic Biol Med 2019; 135:132-143. [PMID: 30831189 PMCID: PMC6738571 DOI: 10.1016/j.freeradbiomed.2019.02.029] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 02/21/2019] [Accepted: 02/24/2019] [Indexed: 01/06/2023]
Abstract
Diabetic gastroparesis (GP) is a clinical syndrome characterized by delayed gastric emptying (DGE). Loss of Nrf2 (Nuclear factor (erythroid-derived 2)-like 2) led to reduced nNOSα mediated gastric motility and DGE. The molecular signaling of cinnamaldehyde (CNM) mediated Nrf2 activation and its mechanistic role on DGE were further investigated in obese/T2D female mice. Adult female homozygous Nfe2l2-/- (C57BL/6J) and their wild-type (WT) littermates (Nfe2l2+/+) mice were fed with high fat diet (HFD; Obese/T2D model), or normal diet (ND) with or without CNM (50 mg/kg b.w; i.p). Supplementation of CNM attenuated (p < 0.05) DGE in WT female but not in Nrf2 KO Obese/T2D mice. CNM (1) normalized serum estradiol-17β levels, (2) induced gastric Nrf2 and phase II antioxidant enzymes through extracellular signal-regulated kinase, (ERK)/c-Jun N-terminal kinase (JNK)/p38 mitogen-activated protein kinase (MAPK), (3) reduced glucose synthase kinase 3 beta (GSK3β) and aryl hydrocarbon receptor (AhR) and this was associated with (4) increased estrogen receptor expression, BH4 (Cofactor of nNOS) biosynthesis enzyme GCH-1 and nNOSα dimerization in WT Obese/T2 diabetic female mice. In addition, CNM restored impaired nitrergic relaxation in hyperglycemic conditions. These findings emphasize the importance of Nrf2 in maintaining nNOSα mediated GE and may have a translational relevance to treat obese/diabetic gastroparesis in women.
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Affiliation(s)
- Chethan Sampath
- Department of ODS & Research, School of Dentistry, Meharry Medical College, Nashville, TN, USA
| | - Jeremy C Sprouse
- School of Graduate Studies & Research, Meharry Medical College, Nashville, TN, USA
| | - Michael L Freeman
- Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Pandu R Gangula
- Department of ODS & Research, School of Dentistry, Meharry Medical College, Nashville, TN, USA.
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Zhang MH, Fang XS, Guo JY, Jin Z. Effects of AMPK on Apoptosis and Energy Metabolism of Gastric Smooth Muscle Cells in Rats with Diabetic Gastroparesis. Cell Biochem Biophys 2019; 77:165-77. [PMID: 30968342 DOI: 10.1007/s12013-019-00870-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 04/01/2019] [Indexed: 12/22/2022]
Abstract
This study aimed to investigate the effect of AMPK on apoptosis and energy metabolism of gastric smooth muscle cells in diabetic rats and to explore the role of AMPK in the pathogenesis of diabetic gastroparesis (DGP). After establishment of a diabetic rat model, rats were divided into normal control (NC), 4-week (DM4W), 6-week (DM6W), and 8-week (DM8W) diabetic model groups. The gastric residual pigment ratio, intestinal transit rate, and intestinal propulsion rate in each group were detected to confirm the successful establishment of the DGP model. The spontaneous contraction in isolated gastric smooth muscle strips of the NC and DM8W groups was experimentally observed. The expression of phospho-AMPK, AMPK, phospho-LKB1, LKB1, phospho-TAK1, TAK1, and CaMMKβ in rat gastric smooth muscle tissues was detected by western blot analysis; ADP, AMP, ATP contents, and the energy charge were detected using Elisa; and apoptosis of gastric smooth muscle cells was detected by flow cytometry. The rat gastric smooth muscle cells were cultured in vitro, and treated with an AMPK inhibitor and an agonist. At 24 and 48 h, the effects of AMPK on apoptosis and energy metabolism of gastric smooth muscle cells were observed. Reduced spontaneous contractions, AMPK activation, cell apoptosis, and energy metabolism disorders were observed in gastric smooth muscle tissues of a diabetic rat, and AMPK activation was associated with an increased ratio of ADP/ATP, AMP/ATP, LKB1 activity, and CaMMKβ expression. From in vitro cell culture experiments, we found that AMPK activation of high-glucose conditions promoted cell apoptosis. Inhibition of AMPK had no obvious effect on apoptosis at the early stage with high glucose, but the inhibitory effect was significant at the late stage with high glucose. AMPK can regulate both mitochondrial metabolism and glycolysis pathways under high-glucose conditions. During the early stage with high glucose, AMPK was the main promotion factor of the mitochondrial metabolism pathway, but did not increase the ATP production, AMPK also promoted the glycolysis pathway. During the late stage with high glucose, AMPK was a major inhibitor of the mitochondrial pathway, and still played a role in promoting the glycolytic pathway, which acted as the main regulator. Apoptosis and energy metabolism disorders were present in gastric smooth muscle cells during the occurrence of DGP. Under high-glucose condition, AMPK was activated, which can promote apoptosis, change the energetic metabolism pathway of cells, inhibit mitochondrial energy metabolism, and promote glycolysis.
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Wu XF, Chen XL, Zheng XN, Guo X, Xie ZQ, Liu L, Wei XR, Yue ZH. [Effect of Different Stimulating Strength of Electroacupuncture on Gastrointestinal Motility and RhoA/ROCK Signaling in Gastric Antral Smooth Muscle in Diabetic Gastroparesis Rats]. Zhen Ci Yan Jiu 2019; 43:169-74. [PMID: 29560632 DOI: 10.13702/j.1000-0607.170299] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To observe the effect of different strength of electroacupuncture (EA) stimulation on gastrointestinal motility and Ras homolog gene family member (RhoA)/Rho associated coiled-coil forming protein kinase (ROCK) signaling in diabetic gastroparesis (DGP) rats, so as to reveal the underlying mechanisms of EA for improving DGP. METHODS Sixty SD rats were randomly and equally divided into blank control, DGP model, weak EA, medium EA, and strong EA groups (n=12 rats in each). The DGP model was established by intraperitoneal injection of streptozotocin (STZ, 55 mmol/kg, 2%) and high-sugar and high-fat fodder feeding for 8 weeks. EA (0.12, 0.24, 0.36 mA, 20 Hz/100 Hz) was applied to "Zusanli" (ST 36), "Sanyinjiao" (SP 6) and "Liangmen" (ST 21) for 20 min, once daily for 15 successive days. Blood glucose levels were measured weekly with blood glucose meter and blood glucose test paper. Fecal phenol red excretion method was used to display gastric emptying and small intestinal propulsion function. The expression of RhoA protein in the gastric antral smooth muscle tissue was detected by immunohistochemistry and Western blot (WB), separately, and that of ROCK, myosin phosphatase target subunit 1 (MYPT 1) and phosphorylated (p)-MYPT 1 proteins in gastric antrum detected by WB. RESULTS Compared with the blank control group, the gastric emptying rate and small intestine propulsion rate of the model group were significantly decreased (P<0.05), and the blood glucose level was remarkably increased (P<0.05). Moreover, the expression levels of RhoA, ROCK, MYPT 1 and p-MYPT 1 proteins in the gastric antrum were significantly down-regulated relevant to the control group (P<0.05). After administration of EA, the decreased gastric emptying rate and intestinal propulsion rate, and the down-regulated expression of RhoA, ROCK, MYPT 1 and p-MYPT 1 proteins were significantly increased in the strong, medium and weak EA stimulation groups (P<0.05). Comparison among the 3 EA groups showed that the strong stimulation was significantly superior to weak stimulation in up-regulating the expression of RhoA, ROCK, MYPT 1 and p-MYPT 1 proteins, and obviously superior to the medium stimulation in up-regulating RhoA and MYPT 1 protein levels (P<0.05), while the medium stimulation was significantly stronger than the weak stimulation in up-regulating the expression of ROCK, MYPT 1 and p-MYPT 1 proteins (P<0.05). There were no significant differences among the 3 EA groups in up-regulating the gastric emptying rate and small intestinal propulsion rate, and between the strong stimulation and medium stimulation in the expression levels of ROCK and p-MYPT 1 proteins (P>0.05). CONCLUSION Electroacupuncture stimulation of ST 36-SP 6-ST 21 at 0.12, 0.24 and 0.36 mA can promote the gastrointestinal motility in DGP rats, which may be associated with its effects in enhancing RhoA/ROCK signaling in the gastric antral smooth muscle at different degrees.
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Affiliation(s)
- Xue-Fen Wu
- College of Acupuncture-moxibustion and Massage,Hunan University of Chinese Medicine, Changsha 410007, China
| | - Xiao-Li Chen
- College of Acupuncture-moxibustion and Massage,Hunan University of Chinese Medicine, Changsha 410007, China
| | - Xue-Na Zheng
- College of Acupuncture-moxibustion and Massage,Hunan University of Chinese Medicine, Changsha 410007, China
| | - Xin Guo
- College of Acupuncture-moxibustion and Massage,Hunan University of Chinese Medicine, Changsha 410007, China
| | - Zhi-Qiang Xie
- College of Acupuncture-moxibustion and Massage,Hunan University of Chinese Medicine, Changsha 410007, China
| | - Li Liu
- College of Acupuncture-moxibustion and Massage,Hunan University of Chinese Medicine, Changsha 410007, China
| | - Xin-Ran Wei
- College of Acupuncture-moxibustion and Massage,Hunan University of Chinese Medicine, Changsha 410007, China
| | - Zeng-Hui Yue
- College of Acupuncture-moxibustion and Massage,Hunan University of Chinese Medicine, Changsha 410007, China
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Kong MM, Kong MM, Huang P, Jia CH. Therapeutic effect of Huangqi Jianzhong decoction on diabetic gastroparesis in rats: Impact on SCF-Kit signaling pathway in the gastric antrum. Shijie Huaren Xiaohua Zazhi 2019; 27:87-93. [DOI: 10.11569/wcjd.v27.i2.87] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM To analyze the therapeutic effect of Huangqi Jianzhong decoction on diabetic gastroparesis (DGP) in rats and its impact on the stem cell factor (SCF)-Kit signaling pathway in the gastric antrum.
METHODS Seventy-five male Wistar rats of SPF grade were randomly divided into five groups: model group, normal group, positive control group, low-dose Huangqi Jianzhong decoction group, and high-dose Huangqi Jianzhong decoction group (15 rats in each group). Except the normal group, DGP was induced in other groups. After DGP was induced, the rats in the positive control group were intra-gastrically administered with 0.78 g/mL of morphine suspension, and the two Huangqi Jianzhong decoction groups were intra-gastrically administered with 0.78 g/mL and 3.12 g/mL of Huangqi Jianzhong decoction. The normal group and the model group were given normal saline. The dose of each group was 10 mL/kg. After continuous administration for 6 wk, the general condition, body weight, gastric emptying rate, serum soluble SCF (sSCF), gastrin (GAS), motilin (MLT), and interstitial cells of Cajal (ICC) in the gastric antrum were observed. C-kit and membrane-bound SCF (mSCF) protein expression was detected.
RESULTS Compared with the normal group, the blood glucose, GAS, and MLT levels in the model group increased, and the sSCF content and gastric emptying rate decreased. Compared with the model group, positive control group, and low dose Huangqi Jianzhong decoction group, the contents of blood glucose, GAS, and MLT significantly decreased, and the sSCF content and gastric emptying rate significantly increased in the high-dose group (P < 0.05). Compared with the normal group, the expression of c-kit and mSCF proteins in the gastric antrum decreased in the model group. Compared with the model group, the expression of c-Kit and mSCF proteins in the positive control group, low-dose and high-dose Huangqi Jianzhong decoction groups significantly increased (P < 0.05). Compared with the positive control group, the expression of c-Kit and mSCF proteins in the low-dose and high-dose Huangqi Jianzhong decoction groups increased, but the difference was not statistically significant (P > 0.05).
CONCLUSION Huangqi Jianzhong decoction enhances the expression of mSCF protein and up-regulates the SCF-Kit signaling pathway, which increases the number of ICC in the gastric antrum of DGP rats, improves gastric pacing function, and enhances gastric motility.
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Affiliation(s)
- Meng-Meng Kong
- Zhejiang University of Traditional Chinese Medicine, Hangzhou Zhejiang Province, China
| | - Meng-Meng Kong
- Community Health Service Center, Gulou Street, Haishu District, Ningbo 315000, Zhejiang Province, China
| | - Ping Huang
- Second Affiliated Hospital of Zhejiang University of Traditional Chinese Medicine, Hangzhou 310053, Zhejiang Province, China
| | - Cai-Hua Jia
- Department of Pediatrics, Ninghe District Hospital, Tianjin 301500, China
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Fang XS, Zhang MH, Guo JY, Jin Z. Effects of insulin-like growth factor-1 on endoplasmic reticulum stress and autophagy in rat gastric smooth muscle cells cultured at different glucose concentrations in vitro. Mol Cell Biochem. 2019;451:11-20. [PMID: 30008033 DOI: 10.1007/s11010-018-3388-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 06/16/2018] [Indexed: 12/12/2022]
Abstract
The purpose of the study was to observe changes in endoplasmic reticulum stress (ERS)- and autophagy-related proteins in gastric smooth muscle tissues of diabetic rats with gastroparesis, investigate the effect of insulin-like growth factor 1 (IGF-1) on ERS and autophagy in rat gastric smooth muscle cells cultured under different glucose concentrations, and explore the influence of IGF-1 on development of diabetic gastroparesis (DGP). After establishing a rat model of DGP, rats were divided into normal control (NC) and 6-week diabetic model (DM6W) groups. Expression of ERS-related and autophagy-related proteins was detected by western blot analysis and immunofluorescence assay in rat gastric smooth muscle tissue and in vitro-cultured rat gastric smooth muscle cells exposed to different glucose concentrations and treatment with IGF-1 for 24 or 48 h. Changes in glucose-regulated-protein-78 (GRP78), growth arrest and DNA damage-inducible gene 153 (CHOP), and microtubule-associated protein 1A/1B light chain 3B (LC3) expression levels were detected by western blot analysis, and GRP78 and LC3 expression were examined by confocal laser-scanning microscopy. In vivo expression levels of GRP78, CHOP, and LC3 were significantly higher in the DM6W group compared with the NC group (p < 0.001). Twenty-four hours after cells were cultured at different glucose concentrations in vitro, expression of GRP78, CHOP, and LC3II/I was significantly higher in the high glucose-treated group compared with the normal glucose group (p < 0.05). After IGF-1 intervention, CHOP and GRP78 expression were significantly higher in the normal glucose + IGF-1 group compared with the normal glucose group (p < 0.01), while no significant difference was found between high glucose and high glucose + IGF-1 groups. LC3II/I expression was significantly lower in the normal glucose + IGF-1 group compared with the normal glucose group, and was significantly lower in the high glucose and high glucose + IGF-1 groups (p < 0.05). After 48 h of culture, CHOP expression was significantly higher and LC3II/I expression was significantly lower in the high glucose group compared with the normal glucose group (p < 0.05), but no significant change in GRP78 expression was observed between these two groups. After IGF-1 intervention, there was no difference in CHOP or GRP78 expression between normal glucose + IGF-1 and normal glucose groups. However, CHOP and GRP78 expression were significantly lower in the high glucose + IGF-1 group compared with the high glucose group (p < 0.05). There was no significant difference in LC3II/I expression between normal glucose + IGF-1 and normal glucose groups, or high glucose + IGF-1 and high glucose groups. Results of confocal laser-scanning microscopy showed significantly lower expression of LC3II/I in the high glucose + IGF-1 group compared with the high glucose group (p < 0.05). ERS and autophagy were involved in the occurrence of DGP. IGF-1 exerted an inhibitory effect on ERS in rat gastric smooth muscle cells cultured under high glucose conditions, and this inhibitory effect increased with time. IGF-1 inhibited the level of autophagy in rat gastric smooth muscle cells cultured under high glucose conditions at early stages, which may be achieved through inhibition of ERS.
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Jiang DL, Shi GW. Clinical efficacy and safety of alpha-lipoic acid combined with mosapride in treatment of diabetic gastroparesis. Shijie Huaren Xiaohua Zazhi 2018; 26:26-30. [DOI: 10.11569/wcjd.v26.i1.26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM To evaluate the clinical efficacy and safety of alpha-lipoic acid combined with mosapride in the treatment of diabetic gastroparesis.
METHODS Ninety-two patients with diabetic gastroparesis treated at our hospital from August 2015 to February 2017 were randomly divided into either an observation group or a control group, with 46 cases in each group. Both groups were given conventional treatment and mosapride, and the observation group was additionally given alpha lipoic acid. After 2 wk of treatment, the curative effect, gastric motilin, gastric emptying, and adverse reactions were compared between the two groups.
RESULTS The total effective rate was significantly higher in the observation group than in the control group (93.48% vs 84.78%, P < 0.05). Before treatment, there was no difference in gastric motilin or gastric emptying rate between the two groups. After treatment, both groups showed a significant decrease in gastric activity and a significant increase in gastric emptying rate (P < 0.05), and the changes were more significant in the observation group (P < 0.05). The incidence of adverse reactions in the observation group was significantly lower than in the control group (4.35% vs 13.04%, P < 0.05).
CONCLUSION Alpha-lipoic acid combined with mosapride has remarkable clinical efficacy in treating diabetic gastroparesis, and can promote gastric emptying and correct gastrointestinal hormones, with few adverse reactions.
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Affiliation(s)
- Dong-Lian Jiang
- Department of Gastroenterology, Liyuan Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan 430077, Hubei Province, China
| | - Gui-Wen Shi
- Department of Internal Medicine, Shunyi Women and Children's Hospital of Beijing Children's Hospital, Beijing 101300, China
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Gong Y, Zhu Y, Zhu B, Si X, Heng D, Tang Y, Sun X, Lin L. LncRNA MALAT1 is up-regulated in diabetic gastroparesis and involved in high-glucose-induced cellular processes in human gastric smooth muscle cells. Biochem Biophys Res Commun 2018; 496:401-6. [PMID: 29317209 DOI: 10.1016/j.bbrc.2018.01.038] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Accepted: 01/05/2018] [Indexed: 12/25/2022]
Abstract
Recent years, widespread long non-coding RNAs (lncRNAs) were identified and known as regulator of gene expression. Diabetic gastroparesis (DGP) is one of the most common chronic complications of diabetes mellitus. There was no research reported the role of lncRNAs in DGP. In this study, we firstly established a rat model of DGP by STZ injection. Then, we detected the expression of MALAT1 and found that expression of MALAT1 was up-regulated in rat model of DGP, comparing to the control group (P < .01). Furthermore, we revealed that MALAT1 expression was increased in the samples from diabetic patients with DGP symptoms, in comparison with the control. In addition, we demonstrated that the inhibition of MALAT1 increased the expression of α-SMA and SM myosin heavy chains, reduced the cell viability, inhibited the potential of cell migration and induced cell apoptosis in human gastric smooth muscle cells (SMCs). Ultimately, we found that the regulation of MALAT1 expression modulated the function of high-glucose stimulation in human gastric SMCs. Therefore, our study firstly indicated that MALAT1 was up-regulated in DGP and played an important role in the pathogenesis of DGP.
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Zhang CC, Lin YP, Peng Y, Yue ZH, Chen HJ, Yang JW, Liu WW, Liu L. [Effects of Electroacupuncture on Ultrastructure of Interstitial Cells of Cajal and Stem Cell Factor-kit Signal Pathway of Gastric Antrum in Diabetic Gastroparesis Rats]. Zhen Ci Yan Jiu 2017; 42:482-8. [PMID: 29318852 DOI: 10.13702/j.1000-0607.2017.06.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To observe the effects of electroacupuncture (EA) on gastrointestinal motility and the ultrastructure of interstitial cells of Cajal (ICC) and the expressions of c-kit receptor protein and stem cell factor (SCF) mRNA in diabetic gastroparesis (DGP) rats, so as to explore its mechanism. METHODS Fifty SD rats were randomly divided into normal, model, acupoint, non-acupoint and metoclopramide groups (n=10 rats/group). DGP model was established by intraperitoneal injection of streptozotocin (STZ, 2%), and raised with high-sugar high-fat diet irregularly. EA (sparse-dense, 10 Hz/50 Hz, 2 mA, 20 min) was applied at "Zusanli" (ST 36), "Liangmen" (ST 21) and "Sanyinjiao" (SP 6), and the corresponding non-acupoints of the 3 acupoints, daily for 15 days. The rats in metoclopramide group received intragastric administration of metoclopramide (1.7%, 1 mL/100 g) for 15 days, once a day. Blood sugar was determined with One Touch blood glucose test paper. The gastric emptying rate (GER) and the intestinal propulsion rate (IPR) were measured by intragastric phenol red. The ultrastructure of ICC was detected by transmission electron microscopy. The expression levels of c-kit receptor protein and SCF mRNA of gastric antrum were examined respectively by Western blot and RT-PCR. RESULTS Compared with the normal group, the blood glucose significantly increased in the model group (P<0.01), while the GER, IRP and the expression level of SCF mRNA in the gastric antrum significantly decreased (P<0.01), and the ultrastructure of ICC appeared apoptosis-like changes. The blood glucose of the EA group was obviously decreased compared with that of the model group (P<0.05); the GER and IRP significantly increased(P<0.05, P<0.01); the expression level of SCF mRNA increased (P<0.01), the number of ICC increased and its ultrastructure was repaired. There was some relief on ICC ultrastructure in the acupoint group compared with that in the non-acupoint group; and SCF mRNA increased (P<0.05). There was no significant difference on c-kit receptor expression among all the modeling groups (P>0.05). CONCLUSIONS EA at ST 36, etc. can regulate the blood glucose and improve gastrointestinal emptying in DGP rats. The mechanism may be related to up-regulating SCF mRNA, repairing ICC ultrastructure, restoring the pacing function, and improving gastrointestinal motility.
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Affiliation(s)
- Cheng-Cheng Zhang
- Graduate School, Hunan University of Chinese Medicine, Changsha 410007, China
| | - Ya-Ping Lin
- Key Acu-moxibustion Laboratory of Biological Information Analysis of Institute of Acupuncture, Moxibustion and Massage, Hunan University of Chinese Medicine, Changsha 410007, China
| | - Yan Peng
- Key Acu-moxibustion Laboratory of Biological Information Analysis of Institute of Acupuncture, Moxibustion and Massage, Hunan University of Chinese Medicine, Changsha 410007, China
| | - Zeng-Hui Yue
- Key Acu-moxibustion Laboratory of Biological Information Analysis of Institute of Acupuncture, Moxibustion and Massage, Hunan University of Chinese Medicine, Changsha 410007, China
| | - Hai-Jiao Chen
- Graduate School, Hunan University of Chinese Medicine, Changsha 410007, China
| | - Jian-Wen Yang
- Graduate School, Hunan University of Chinese Medicine, Changsha 410007, China
| | - Wei-Wei Liu
- Graduate School, Hunan University of Chinese Medicine, Changsha 410007, China
| | - Li Liu
- Graduate School, Hunan University of Chinese Medicine, Changsha 410007, China
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Yang S, Wu B, Sun H, Sun T, Han K, Li D, Ji F, Zhang G, Zhou D. Impaired insulin/IGF-1 is responsible for diabetic gastroparesis by damaging myenteric cholinergic neurones and interstitial cells of Cajal. Biosci Rep 2017; 37:BSR20170776. [PMID: 28931726 DOI: 10.1042/BSR20170776] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 09/14/2017] [Accepted: 09/17/2017] [Indexed: 02/06/2023] Open
Abstract
Diabetic gastroparesis is a common complication of diabetes mellitus (DM) that is characterized by decreased serum insulin and insulin-like growth factor-1 (IGF-1). Despite the fact that insulin treatment not glycemic control potently accelerated gastric emptying in type 1 DM patients, the role of insulin/InsR and IGF-1/IGF-1R signaling in diabetic gastroparesis remains incompletely elucidated. In the present study, type 1 DM mice were established and treated with insulin or Voglibose for 8 weeks. The gastric emptying was delayed from DM week 4 when the gastric InsR and IGF-1R were declined. Meanwhile, the gastric choline acetyltransferase (ChAT) was significantly reduced and the myenteric cholinergic neurones and their fibers were significantly diminished. The production of stem cell factor (SCF) was dramatically repressed in the gastric smooth muscles in DM week 6. TWereafter, interstitial cells of Cajal (ICC) were clearly lost and their networks were impaired in DM week 8. Significantly, compared with Voglibose, an 8-week treatment with insulin more efficiently delayed diabetic gastroparesis development by protecting the myenteric cholinergic neurones and ICC. In conclusion, diabetic gastroparesis was an aggressive process due to the successive damages of myenteric cholinergic neurones and ICC by impairing the insulin/InsR and IGF-1/IGF-1R signaling. Insulin therapy in the early stage may delay diabetic gastroparesis.
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Arthur LE, Slattery L, Richardson W. Tailored approach to gastroparesis significantly improves symptoms. Surg Endosc 2018; 32:977-82. [PMID: 28779255 DOI: 10.1007/s00464-017-5775-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 07/19/2017] [Indexed: 12/14/2022]
Abstract
BACKGROUND Gastroparesis is difficult to treat and many patients do not report relief of symptoms with medical therapy alone. Several operative approaches have been described. This study shows the results of our selective surgical approach for patients with gastroparesis. MATERIALS AND METHODS This is a retrospective study of prospective data from our electronic medical record and data symptom sheet. All patients had a pre-operative gastric emptying study showing gastroparesis, an esophagogastroduodenoscopy, and either a CT or an upper GI series with small bowel follow-through. All patients had pre- and post-operative symptom sheets where seven symptoms were scored for severity and frequency on a scale of 0-4. The scores were analyzed by a professional statistician using paired sample t test. RESULTS 58 patients met inclusion criteria. 33 had gastric stimulator (GES), 7 pyloroplasty (PP), 16 with both gastric stimulator and pyloroplasty (GSP), and 2 sleeve gastrectomy. For patients in the GSP group, the second procedure was performed if there was inadequate improvement with the first procedure. There was no mortality. The follow-up period was 6-316 weeks (mean 66.107, SD 69.42). GES significantly improved frequency and severity for all symptoms except frequency of bloating and postprandial fullness. PP significantly improved nausea and vomiting severity, frequency of nausea, and early satiety. Symptom improvement for GSP was measured from after the first to after the second procedure. GSP significantly improved all but vomiting severity and frequency of early satiety, postprandial fullness, and epigastric pain. CONCLUSION All procedures significantly improved symptoms, although numbers are small in the PP group. GES demonstrates more improvement than PP, and if PP or GES does not adequately improve symptoms GSP is appropriate. In our practice, gastrectomy was reserved as a last resort.
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Wakamatsu K, Perez Quirante F, Montorfano L, Lo Menzo E, Seto Y, Rosenthal RJ. Laparoscopic treatment of gastroparesis: a single center experience. Surg Obes Relat Dis 2017; 14:200-205. [PMID: 28888796 DOI: 10.1016/j.soard.2017.07.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 07/19/2017] [Accepted: 07/24/2017] [Indexed: 01/19/2023]
Abstract
BACKGROUND Gastroparesis (GP) is a chronic disorder of gastric motility with delayed gastric emptying. Gastric electrical stimulator (GES) implantation and Roux-en-Y gastric bypass (RYGB) are surgical options for medically refractory GP. OBJECTIVE Evaluate operational outcomes and symptom improvement of patients with diabetic (DM) and idiopathic (IP) GP. SETTING University Hospital, United States. METHODS A retrospective chart review was performed of all patients who underwent surgical treatment of GP from February 2003 to December 2014. Subgroup analysis was performed based on etiology of GP (DM versus IP) and procedure received (GES versus RYGB). Postoperative outcomes and postoperative symptom improvements were compared between groups. RESULTS Of 93 patients, 47 (50.5%) had IP and 46 (49.5%) had DM. The majority underwent GES implantation (83.8%, n = 78), and 15 patients (16%) underwent RYGB. There were significant differences in hospital stay (2 versus 3 days) and reoperation rate (30% versus 7%) between IP and DM. Operation time, complication rate, and 30-day readmission rate were similar in both groups. DM patients significantly improved GP-related complaints compared with preoperatively. IP patients also improved nausea and vomiting and had no change in abdominal pain between pre- and postoperative period. GES showed significant improvement of nausea, vomiting, and abdominal pain. RYGB showed improvement of nausea, but not vomiting or abdominal pain. CONCLUSIONS Surgery is a feasible intervention for GP for both DM and IP patients; however, based on the data presented in this manuscript and the current literature, the use of gastric bypass as an effective treatment modality for patients with intractable GP remains highly controversial. Care must be taken for IP patients in the postoperative period due to high incidence of reoperation. Although both procedures offer some degree of symptomatic improvement, GES seems to provide improvement of more GP symptoms. However, there is no significant difference in the need for postoperative medications regardless of the procedure used.
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Affiliation(s)
- Kotaro Wakamatsu
- Department of Gastrointestinal Surgery, The University of Tokyo, Tokyo, Japan
| | - Federico Perez Quirante
- The Bariatric and Metabolic Institute, Department of General Surgery, Cleveland Clinic Florida, Weston, Florida
| | - Lisandro Montorfano
- The Bariatric and Metabolic Institute, Department of General Surgery, Cleveland Clinic Florida, Weston, Florida
| | - Emanuele Lo Menzo
- The Bariatric and Metabolic Institute, Department of General Surgery, Cleveland Clinic Florida, Weston, Florida
| | - Yasuyuki Seto
- Department of Gastrointestinal Surgery, The University of Tokyo, Tokyo, Japan
| | - Raul J Rosenthal
- The Bariatric and Metabolic Institute, Department of General Surgery, Cleveland Clinic Florida, Weston, Florida.
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Guo H, Fang C, Huang Y, Zhang H, Chen X, Hu D, Hu J. Treatment of diabetic gastroparesis with botulinum toxin injection guided by endoscopic ultrasound in a patient with type 1 diabetes: the first report. Acta Diabetol 2017; 54:509-511. [PMID: 27696071 DOI: 10.1007/s00592-016-0920-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 09/15/2016] [Indexed: 11/30/2022]
Affiliation(s)
- Heming Guo
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu, China
| | - Chen Fang
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu, China
| | - Yun Huang
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu, China
| | - Honghong Zhang
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu, China
| | - Xiaohong Chen
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu, China
| | - Duanming Hu
- Department of Gastroenterology, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, Jiangsu, China
| | - Ji Hu
- Department of Endocrinology, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu, China.
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Yu D, Ramsey FV, Norton WF, Norton N, Schneck S, Gaetano T, Parkman HP. The Burdens, Concerns, and Quality of Life of Patients with Gastroparesis. Dig Dis Sci 2017; 62:879-93. [PMID: 28110376 DOI: 10.1007/s10620-017-4456-7] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Accepted: 01/11/2017] [Indexed: 12/28/2022]
Abstract
AIMS The impact of gastroparesis on patients from the patient's viewpoint is needed to better address treatment priorities. The aims of this study were to: (1) Delineate burdens and concerns of patients with gastroparesis; (2) investigate specific symptoms contributing to impaired quality of life (QOL) in gastroparesis. METHODS The International Foundation for Functional GI Disorders gastroparesis survey questionnaire was developed to describe patients' viewpoint about their experience with gastroparesis and included Patient Assessment of Upper GI Symptoms (PAGI-SYM) and SF-36 QOL survey. RESULTS A total of 1423 adult patients with gastroparesis completed the survey. Average duration of gastroparesis symptoms was 9.3 years with time from onset to diagnosis 5.0 years. Patients felt that they receive good information regarding treatment options from physicians, the Internet, and Facebook. Patients rated their satisfaction with available treatment for their gastroparesis as dissatisfied (33%), somewhat dissatisfied (27%), neutral (14%), somewhat satisfied (15%), and satisfied (4%). Patients felt that gastroparesis symptoms that are most important to improve with treatment are nausea, stomach pain, and vomiting. Overall, there was a decreased quality of life by SF-36. Physical health QOL score was negatively correlated with symptoms including nausea (r = -0.37), upper abdominal pain (r = -0.37), and early satiety (r = -0.37). CONCLUSIONS This large series of patients with gastroparesis describes their burdens, concerns, and QOL. Nausea, vomiting, early satiety, and abdominal pain are important symptoms for treatment. Many patients are not satisfied with current treatments, wanting specific treatments for their disorder. Interestingly, a large number of patients find out about treatments, not only from their physician, but also using the Internet including social media.
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Schey R, Saadi M, Midani D, Roberts AC, Parupalli R, Parkman HP. Domperidone to Treat Symptoms of Gastroparesis: Benefits and Side Effects from a Large Single-Center Cohort. Dig Dis Sci 2016; 61:3545-51. [PMID: 27530760 DOI: 10.1007/s10620-016-4272-5] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 07/29/2016] [Indexed: 12/12/2022]
Abstract
BACKGROUND There is increased awareness about risks and benefits of using domperidone to treat gastroparesis. AIM To describe the outcome of treating patients with refractory gastroparesis symptoms with domperidone. METHODS Domperidone 10 mg QID or TID was prescribed to patients with refractory gastroparesis symptoms; follow-up obtained at 2-3 months assessing symptoms and side effects. Patients filled out Patient Assessment of Upper GI Symptoms prior to treatment and at follow-up along with Clinical Patient Grading Assessment Scale (CPGAS, +7 = completely better; 0 = no change). RESULTS Of 125 patients initially prescribed domperidone, 7 did not take this medication and 3 were lost to follow-up. Of the 115 known patients treated with domperidone, 88 had idiopathic, 16 diabetic, and 9 postsurgical gastroparesis. Side effects were reported by 44 patients (most common-headache, tachycardia/palpitations, diarrhea); 14 patients stopped treatment. Hundred and one patients were seen at follow-up taking domperidone (2.4 ± 2.7 months, average dose 36 ± 13 mg/day). CPGAS averaged 2.7 ± 2.7 (p < 0.01) with 69 patients reporting symptom improvement and 45 patients at least moderately improved with CPGAS ≥ 4. Improvements were seen in most symptoms, especially postprandial fullness, nausea, vomiting, and stomach fullness. CONCLUSIONS In this large single-center study of patients treated with domperidone, side effects necessitating discontinuing treatment occurred in 12 %. The majority of patients remaining on treatment experienced an improvement in symptoms of gastroparesis, particularly postprandial fullness, nausea, vomiting, and stomach fullness. Thus, domperidone treatment is beneficial for many patients with symptoms of gastroparesis. This study provides needed benefit and risk information concerning treating patients with domperidone. FDA IND Number: 71,089.
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Midani D, Parkman HP. Granisetron Transdermal System for Treatment of Symptoms of Gastroparesis: A Prescription Registry Study. J Neurogastroenterol Motil 2016; 22:650-655. [PMID: 27400689 PMCID: PMC5056574 DOI: 10.5056/jnm15203] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 03/09/2016] [Accepted: 04/09/2016] [Indexed: 01/09/2023] Open
Abstract
Background/Aims Serotonin receptor (eg, 5-HT3) antagonists are used to treat nausea and vomiting from a variety of causes. Granisetron transdermal system (GTS) is an appealing delivery system for patients with gastroparesis. To assess if GTS improves nausea and vomiting and other gastroparesis symptoms in patients with gastroparesis. Methods Patients with gastroparesis and symptoms of nausea and vomiting refractory to conventional treatment were treated with GTS. Symptoms of gastroparesis were assessed using a modified Gastroparesis Cardinal Symptom Index (GCSI). Following 2 weeks of treatment, patients were asked to assess their symptoms and indicate their therapeutic response using the Clinical Patient Grading Assessment Scale (CPGAS) reporting if symptoms of nausea and vomiting improved on a scale: 0 = no change to +7 = completely better. Results Fifty-one patients received GTS by prescription: average age was 40 ± 17 years, 44 female, 11 diabetics, 23 ± 20% retention at 4 hours on gastric emptying scintigraphy. Thirty-nine of the 51 (76%) patients stated improvement with GTS. There was significant improvement in nausea and vomiting as assessed with CPGAS at 2 weeks (2.28 ± 2.53; P < 0.05). Symptoms of nausea and vomiting significantly improved. Other symptoms including postprandial fullness, loss of appetite, upper abdominal pain, and early satiety improved. Side effects reported included redness at the site of the patch in 7 patients, pruritus in 5, and constipation in 5. Conclusions GTS was moderately effective in reducing nausea and/or vomiting in 76% of gastroparesis patients. In addition to nausea and vomiting, symptoms of postprandial fullness, loss of appetite, upper abdominal pain, and early satiety also improved.
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Affiliation(s)
- Deena Midani
- Department of Medicine, Section of Gastroenterology, Temple University School of Medicine, Philadelphia, PA, USA
| | - Henry P Parkman
- Department of Medicine, Section of Gastroenterology, Temple University School of Medicine, Philadelphia, PA, USA
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Chen XL, Liu L, Wen QQ, Li P, Wang Y, Wei XR, Yue ZH. Effect of acupuncture at different acupoints on RhoA/ROCK signaling pathway in gastric antral smooth muscle tissue of rats with diabetic gastroparesiws. Shijie Huaren Xiaohua Zazhi 2016; 24:3508-3516. [DOI: 10.11569/wcjd.v24.i23.3508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To observe the effect of acupuncture at different acupoints on the RhoA/ROCK signaling pathway in the gastric antrum of diabetic gastroparesis (DGP) rats.
METHODS: Sixty SD rats were randomly divided into a normal group, a model group, a Zusanli + Zhongwan group, a Zusanli + Neiguan, and a Zusanli + non-acupoint group, with 12 rats in each group. DGP was indueced by intraperitoneal injection of streptozotocin, followed by feeding for 8 wk. After 4 wk of treatment, the gastrointestinal transit rate was measured with black ink. The expression of RhoA protein and ROCK protein was detected by immunohistochemistry and Western blot.
RESULTS: Compared with the normal group, the model group showed a significant reduction in gastrointestinal transit rate and expression of RhoA, ROCK, MYPT1, and p-MYPT1 in gastric antral smooth muscle tissue and a significant increase in RhoA expression (P < 0.01), suggesting that DGP was successfully induced. Compared with the model group, the gastrointestinal transit rate and expression of RhoA, ROCK, MYPT1 and p-MYPT1 in gastric antrum tissue significantly increased in the Zusanli + Zhongwan, Zusanli + Neiguan and Zusanli + non-acupoint groups (P < 0.05). RhoA, ROCK, MYPT1 and p-MYPT1 expression was significantly higher in the Zusanli + Zhongwan group than in the Zusanli + Neiguan and Zusanli + non-acupoint groups (P < 0.05). RhoA expression in gastric antral smooth muscle tissue was significantly higher in the Zusanli + Neiguan and Zusanli + non-acupoint groups than in the Zusanli + Zhongwan group (P < 0.05). The dietary intake was significantly reduced in the Zusanli + Zhongwan group compared with the model group during the treatment period (P < 0.05).
CONCLUSION: Acupoint selection is an important factor to influence the effect of acupoint compatibility. Combination of local acupoints is obviously superior to the compatibility of distal acupoints and non-acupoint.
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Homko C, Siraj ES, Parkman HP. The impact of gastroparesis on diabetes control: Patient perceptions. J Diabetes Complications 2016; 30:826-9. [PMID: 27166926 DOI: 10.1016/j.jdiacomp.2016.03.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2015] [Revised: 03/18/2016] [Accepted: 03/19/2016] [Indexed: 12/12/2022]
Abstract
UNLABELLED The impact of gastroparesis on diabetes management and control from the patient perspective has not been well characterized. The aim of this study was to identify patient perceptions regarding the impact of gastroparesis on managing their diabetes. METHODS Patients with diabetes being referred for gastroparesis were enrolled in this prospective study. Gastroparetic symptom severity was assessed with the Patient Assessment of Upper GI Symptoms (PAGI-SYM). A questionnaire examined the impact of gastroparesis on diabetes related symptoms and control. RESULTS 54 diabetic gastroparesis patients (36 T1DM, 18 T2DM) participated. Duration of diabetes averaged 17.4±1.4years and gastroparetic symptoms 5.1±1.1years. Patients rated their most severe symptoms as postprandial fullness, early satiety, and nausea. Two thirds of diabetic subjects identified that since their diagnosis of gastroparesis, their diabetes was more difficult to control (44 of 54 patients) and that extra time and effort were required for care of their diabetes (45 of 54). Patients with T1DM, compared to those with T2DM, more often expressed that since developing gastroparesis, their blood sugars have been higher, they have had more frequent episodes of hypoglycemia, and they found that their gastroparetic symptoms worsened if blood sugars were too high. CONCLUSIONS Gastroparesis has a significant impact on patients' perceived ability to self-manage and control their diabetes. T1DM patients, in particular, associate their gastroparesis with episodes of hyper- and hypo-glycemia, and find their gastroparetic symptoms worsen with poor control. Future research should focus on strategies to support self-management of patients with diabetic gastroparesis.
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MESH Headings
- Adult
- Attitude to Health
- Cohort Studies
- Combined Modality Therapy
- Diabetes Mellitus, Type 1/blood
- Diabetes Mellitus, Type 1/complications
- Diabetes Mellitus, Type 1/psychology
- Diabetes Mellitus, Type 1/therapy
- Diabetes Mellitus, Type 2/blood
- Diabetes Mellitus, Type 2/complications
- Diabetes Mellitus, Type 2/psychology
- Diabetes Mellitus, Type 2/therapy
- Female
- Gastroparesis/complications
- Gastroparesis/epidemiology
- Gastroparesis/physiopathology
- Gastroparesis/psychology
- Hospitals, University
- Humans
- Hyperglycemia/prevention & control
- Hypoglycemia/prevention & control
- Male
- Middle Aged
- Philadelphia/epidemiology
- Prevalence
- Prospective Studies
- Psychiatric Status Rating Scales
- Self Report
- Self-Management/psychology
- Severity of Illness Index
- Stress, Psychological/complications
- Stress, Psychological/psychology
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Affiliation(s)
- Carol Homko
- Sections of Gastroenterology, Department of Medicine, Temple University School of Medicine, Philadelphia, PA; Endocrinology, Diabetes, and Metabolism, Department of Medicine, Temple University School of Medicine, Philadelphia, PA
| | - Elias S Siraj
- Endocrinology, Diabetes, and Metabolism, Department of Medicine, Temple University School of Medicine, Philadelphia, PA
| | - Henry P Parkman
- Sections of Gastroenterology, Department of Medicine, Temple University School of Medicine, Philadelphia, PA.
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Wang XQ, Hu MM, Wang W, Gao F, Zhang LM, Yan FY, Ju J. Pathogenesis of diabetic gastrointestinal dysfunction. Shijie Huaren Xiaohua Zazhi 2016; 24:2682-2687. [DOI: 10.11569/wcjd.v24.i17.2682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Diabetic gastrointestinal dysfunction is a common complication in patients with diabetes mellitus. Most of the symptoms are related to impaired gastrointestinal function. The pathogenesis and etiology of diabetic gastroenteropathy are complex, involving the parasympathetic and sympathetic nervous systems, enteric neurons, smooth muscle cells, the network of interstitial cells of Cajal, cholinergic receptors and neuronal nitric oxide synthase. This article reviews the pathogenesis of diabetic gastrointestinal dysfunction.
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Liu L, Chen XL, Wen QQ, Li P, Wei XR, Wang Y, Yue ZH. Effects of acupuncture at different acupoints on c-fos and glial fibrillary acidic protein expression in the medulla oblongata of rats with diabetic gastroparesis. Shijie Huaren Xiaohua Zazhi 2016; 24:1701-1707. [DOI: 10.11569/wcjd.v24.i11.1701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To observe the effects of acupuncture at different acupoints on the expression of c-fos and glial fibrillary acidic protein (GFAP) in the medulla oblongata of rats with diabetic gastroparesis (DGP), and to discuss whether the ministry of acupoints is the factor influencing the effect of acupoints compatibility.
METHODS: Sixty SD rats were randomly divided into a normal group, a model group, a Zusanli + Zhongwan group, a Zusanli + Neiguan group, and a Zusanli + non acupoint group, with 12 rats in each group. DGP was induced by intraperitoneal injection of streptozotocin (STZ) (60 mg/kg, 2%) and treated for 4 wk continuously. After treatment, small intestinal transit rate was measured with black ink, and the expression of c-fos and GFAP in the medulla oblongata was detected by immunohistochemistry.
RESULTS: In comparison with the normal control group, small intestinal transit rate of the model group was significantly decreased, and the gray values of c-fos and GFAP were decreased (P < 0.05). In comparison with the model group, small intestinal transit rates of the Zusanli + Zhongwan group, Zusanli + Neiguan group, and Zusanli + non acupoint group were significantly increased, and the gray values of c-fos and GFAP were significantly increased (P < 0.05). In comparison with the Zusanli + Zhongwan group, the gray values of c-fos and GFAP in the Zusanli + Neiguan group and Zusanli + non acupoint group were significantly decreased (P < 0.05).
CONCLUSION: Acupuncture can improve the symptoms of delayed gastric emptying in DGP rats, and regulate the expression of c-fos and GFAP in the medulla. The compatibility of local acupoints is significantly better than the compatibility of distal acupoints and nonpoints. Acupoint selection is the key factor affecting acupoint compatibility.
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Zhang CM, Huang X, Lu HL, Meng XM, Liu DH, Kim YC, Xu WX. Up-regulation of the Ang II/AT1 receptor may compensate for the loss of gastric antrum ICC via the PI3k/Akt signaling pathway in STZ-induced diabetic mice. Mol Cell Endocrinol 2016; 423:77-86. [PMID: 26773730 DOI: 10.1016/j.mce.2016.01.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2015] [Revised: 12/05/2015] [Accepted: 01/06/2016] [Indexed: 12/26/2022]
Abstract
The classic renin-angiotensin system (RAS) is a complex system in which angiotensin II (Ang II) has been identified as an important endogenous regulator that influences both smooth muscle contraction and cell growth. Although a local RAS is known to exist in the gastrointestinal tract, it is unclear whether Ang II is involved in the loss of gastric interstitial cells of Cajal (ICC) in diabetic mice. The present study was designed to investigate the effect of Ang II on ICC survival in streptozotocin (STZ)-induced diabetic mice. Western blot, immunofluorescence, isometric muscle recording, enzyme-linked immunosorbent assay (ELISA) and a cell counting kit-8 were used in this research. Our results demonstrate that the c-Kit and membrane-bound stem cell factor (mSCF) protein expression levels in gastric smooth muscle were decreased in STZ-induced diabetic mice. However, the angiotensin receptor type 1 (AT1R) expression levels in gastric smooth muscle and angiotensin-converting enzyme (ACE) expression levels in gastric mucosa were increased. The effect of Ang II on the tonic contraction of gastric smooth muscle was potentiated in diabetic mice, and the plasma Ang II level was enhanced. Ang II increased mSCF expression, cell proliferation, and Akt-Ser473 phosphorylation in cultured gastric smooth muscle cells (GSMCs). These effects were reduced by specific inhibitors ZD7155 (an AT1R antagonist) and LY294002 (a PI3-kinase inhibitor). Our results suggest that Ang II increases mSCF expression and cell proliferation in cultured GSMCs in a PI3K/Akt signaling-dependent manner. ACE and AT1R up-regulation in the stomach may help compensate for ICC loss in STZ-induced diabetic mice.
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Affiliation(s)
- C M Zhang
- Department of Physiology, Shanghai Jiaotong University School of Medicine, Shanghai, 200240, China
| | - X Huang
- Department of Physiology, Shanghai Jiaotong University School of Medicine, Shanghai, 200240, China
| | - H L Lu
- Department of Physiology, Shanghai Jiaotong University School of Medicine, Shanghai, 200240, China
| | - X M Meng
- Department of Physiology, Shanghai Jiaotong University School of Medicine, Shanghai, 200240, China
| | - D H Liu
- Department of Physiology, Shanghai Jiaotong University School of Medicine, Shanghai, 200240, China
| | - Young-Chul Kim
- Department of Physiology, Chungbuk National University College of Medicine, Cheongju, Chungbuk, 361-763, Republic of Korea
| | - W X Xu
- Department of Physiology, Shanghai Jiaotong University School of Medicine, Shanghai, 200240, China.
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Bi YZ, Le YP, Li J, Fang X, Zuo S, Kong LB. Effectiveness and safety of Helicobacter pylori eradication in treating diabetic gastroparesis patients with Helicobacter pylori infection: Meta-analysis. Shijie Huaren Xiaohua Zazhi 2016; 24:487-492. [DOI: 10.11569/wcjd.v24.i3.487] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the effectiveness and safety of Helicobacter pylori (H. pylori) eradication in treating diabetic gastroparesis (DGP) patients with H. pylori infection.
METHODS: Online databases (PubMed, EMbase, Cochrane Library, Wangfang, CNKI and CBMdice) were searched for randomized controlled trials investigating therapeutic effects of H. pylori eradication vs conventional treatment. Outcomes were analyzed with RevMan 5.3.
RESULTS: Six randomized controlled trials containing 508 patients were included. The results of meta-analysis showed that H. pylori eradication was superior to conventional treatment for DGP patients in clinical effects (RR = 1.33, 95%CI: 1.21-1.47, P < 0.00001). The incidence of adverse events was similar between the two therapies (P = 0.39).
CONCLUSION: Compared with the conventional treatment, H. pylori eradication has more significant clinical effects and comparable incidence of adverse events.
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Abstract
Recent data from the Diabetes Control and Complications Trial/Epidemiology of Diabetic Interventions and Complications cohort indicate that the disease burden of gastroparesis in diabetes remains high, consistent with the outcome of cross-sectional studies in type 1 and 2 diabetes. An improved understanding of the pathogenesis of diabetic gastroparesis at the cellular level has emerged in the last decade, particularly as a result of initiatives such as the National Institute of Health funded Gastroparesis Clinical Research Consortium in the US. Management of diabetic gastroparesis involves dietary and psychological support, attention to glycaemic control, and the use of prokinetic agents. Given that the relationship between upper gastrointestinal symptoms and the rate of gastric emptying is weak, therapies targeted specifically at symptoms, such as nausea or pain, are important. The relationship between gastric emptying and postprandial glycaemia is complex and inter-dependent. Short-acting glucagon-like peptide-1 agonists, that slow gastric emptying, can be used to reduce postprandial glycaemic excursions and, in combination with basal insulin, result in substantial reductions in glycated haemoglobin in type 2 patients.
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Affiliation(s)
- Chinmay S Marathe
- a Discipline of Medicine , The University of Adelaide, Royal Adelaide Hospital , Adelaide , Australia
- b Centre of Research Excellence in Translating Nutritional Science to Good Health , The University of Adelaide , Adelaide , Australia
| | - Christopher K Rayner
- a Discipline of Medicine , The University of Adelaide, Royal Adelaide Hospital , Adelaide , Australia
- b Centre of Research Excellence in Translating Nutritional Science to Good Health , The University of Adelaide , Adelaide , Australia
| | - Karen L Jones
- a Discipline of Medicine , The University of Adelaide, Royal Adelaide Hospital , Adelaide , Australia
- b Centre of Research Excellence in Translating Nutritional Science to Good Health , The University of Adelaide , Adelaide , Australia
| | - Michael Horowitz
- a Discipline of Medicine , The University of Adelaide, Royal Adelaide Hospital , Adelaide , Australia
- b Centre of Research Excellence in Translating Nutritional Science to Good Health , The University of Adelaide , Adelaide , Australia
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Shah S, Kaswala D, Patel N, Sood S, Brelvi Z. Reprogramming of Gastric Motility with "Pulse Therapy" (Metoclopramide and Erythromycin) in Severe Gastroparesis. J Family Med Prim Care 2015; 2:399-401. [PMID: 26664852 PMCID: PMC4649867 DOI: 10.4103/2249-4863.123944] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Gastroparesis is a very common condition, however many times it becomes difficult to manage even after long-term treatment due to multiple etiologies or improper therapy. Patients with severe gastroparesis are considered candidates for gastric electrical stimulants. The "Pulse Therapy" using metoclopramide and erythromycin to reprogram gastric motility can delay or even avoid the need for gastric electrical stimulants. This case report focuses on a patient with severe gastroparesis, who was considered for a gastric pacemaker implantation and was instead treated successfully with "Pulse Therapy." As a part of this regimen, he was given metoclopramide continuously for 3 months along with pulses of erythromycin for 10 days a month for 3 months. Patient recovered dramatically that he no longer remained a candidate for gastric pacemaker implantation. This case study emphasizes on how the proper use of prokinetic agents based on symptoms and gastric emptying study can reprogram the stomach motility in these patients with severe gastroparesis.
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Affiliation(s)
- Shamik Shah
- Department of Medicine, Division of Gastroenterology, University Hospital, Rutgers - New Jersey Medical School, Newark, NJ, USA
| | - Dharmesh Kaswala
- Department of Medicine, Division of Gastroenterology, University Hospital, Rutgers - New Jersey Medical School, Newark, NJ, USA
| | - Nishith Patel
- Department of Medicine, Division of Gastroenterology, University Hospital, Rutgers - New Jersey Medical School, Newark, NJ, USA
| | - Sunita Sood
- Department of Medicine, Division of Gastroenterology, University Hospital, Rutgers - New Jersey Medical School, Newark, NJ, USA
| | - Zamir Brelvi
- Department of Medicine, Division of Gastroenterology, University Hospital, Rutgers - New Jersey Medical School, Newark, NJ, USA
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Abstract
Gastroparesis is a highly prevalent chronic disorder of the stomach, which is characterized by delayed gastric emptying and accompanied by a series of upper gastrointestinal symptoms. Diabetic gastroparesis (DGP) is one of the severe complications of diabetes, seriously affecting the patient's quality of life. At present, the pathogenesis of DGP is still unclear. The majority of DGP patients are women, and women's symptoms change with the fluctuation of the level of estrogen. Therefore, we speculate that estrogen may play an vital role in the stomach motility. Gastric emptying is an objective index for the diagnosis of gastroparesis. This article reviews the role of estrogen in DGP and the possible mechanisms.
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Abstract
Gastroparesis is characterized by delayed gastric emptying and symptoms thereof in the absence of gastric outlet obstruction. Most studies on the epidemiology of gastroparesis have been conducted in selected case series rather than in the population at large. In the only community-based study of gastroparesis in diabetes mellitus (DM), the average cumulative incidence of symptoms and delayed gastric emptying over 10 years was higher in type 1 DM (5%) than in type 2 DM (1%) and controls (1%). In the United States, the incidence of hospitalizations related to gastroparesis increased substantially between 1995 and 2004, and particularly after 2000.
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Affiliation(s)
- Adil E Bharucha
- Clinical Enteric Neuroscience Translational and Epidemiological Research Program, Division of Gastroenterology and Hepatology, Mayo Clinic, 200 1st Street Southwest, Rochester, MN 55905, USA.
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Ma G, Dai WJ, Yan W, Zhang H. Itopride combined with α-lipoic acid for diabetic gastroparesis: Curative effect and impact on motilin and gastrin. Shijie Huaren Xiaohua Zazhi 2015; 23:782-787. [DOI: 10.11569/wcjd.v23.i5.782] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To observe the efficacy of itopride hydrochloride combined with α-lipoic acid in the treatment of diabetic gastroparesis (DGP) and their effect on motilin and gastrin.
METHODS: Sixty patients with DGP who had gastrointestinal symptoms were treated with α-lipoic acid and itopride (α-lipoic acid 0.6 g + 250 mL 0.9% saline intravenously for 14 d + itopride 50 mg orally before meals, three times a day), and 50 patients were treated with itopride alone (itopride 50 mg orally before meals, three times a day). After two weeks of treatment, clinical symptoms including postprandial abdominal fullness, belching, acid reflux, anorexia, nausea and vomiting were observed, the gastric emptying rate was determined, the efficacy was evaluated, and the changes in the levels of motilin and gastrin were detected.
RESULTS: Improvement of clinical symptoms was observed in both groups, and the total effective rate was 91.6% in the combination therapy group and 78.0% in the monotherapy group. Gastric emptying rate was significantly higher in the combination group than in the monotherapy group (P < 0.05). Motilin and gastrin levels were reduced after treatment in both groups, and the decrease was more significant in the combination group.
CONCLUSION: For patients with DGP, α-lipoic acid and itopride combination therapy can better improve symptoms of gastroparesis, increase gastric emptying, and decrease the levels of motilin and gastrin compared with treatment with itopride alone.
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Chen Y, Zheng Y, Shi HL, Fei XY, Yuan JY. Relationship between ghrelin and abnormal gastric emptying in diabetes mellitus. Shijie Huaren Xiaohua Zazhi 2014; 22:5298-5303. [DOI: 10.11569/wcjd.v22.i34.5298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
In recent years, the morbidity of diabetes mellitus has increased rapidly in the world, and the harm of complications of diabetes mellitus has ranked third after cancer and cardiovascular and cerebrovascular diseases. Abnormal gastric emptying is one of the common complications of diabetic mellitus, which seriously influences the life quality of the patients. Therefore, it is important to investigate the pathogenesis of abnormal gastric emptying in diabetes mellitus. The role of ghrelin in the pathophysiology of abnormal gastric emptying in diabetes mellitus is a hot area of research now. In this paper, we review the relationship between ghrelin and abnormal gastric emptying in diabetes mellitus.
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Wang Y, Liu QZ, Yu YY, Zhang L, Wang K. Clinical effects of erythromycin combined with cisapride or domperidone in treatment of type 2 diabetic gastroparesis. Shijie Huaren Xiaohua Zazhi 2014; 22:4709-4713. [DOI: 10.11569/wcjd.v22.i30.4709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To compare the clinical effects of erythromycin combined with either cisapride or domperidone in the treatment of type 2 diabetic gastroparesis, so as to provide reference for future clinical treatment.
METHODS: Sixty-one patients with type 2 diabetic gastroparesis treated from June 2013 to March 2014 at our hospital were randomly divided into two groups: A and B. Both groups were given 0.5 g erythromycin in 500 mL of 50 g/L glucose plus insulin 8 U by intravenous drip, once daily. On this basis, group A was additionally given cisapride 5 mg, three times a day, and group B was additionally given domperidone 10 mg, three times a day. The treatment effects were observed after 2 wk.
RESULTS: The cure rate was higher in group A than in group B, but there was no statistical difference (96.8% vs 86.7%, P > 0.05). The rate of improvement of nausea and vomiting in group A was significantly better than that in group B (92.8% vs 64.0%, χ2 = 6.69, P < 0.01). The rates of improvement of other symptoms showed no significant differences. Gastric emptying time after treatment was significantly improved in both groups (tA = 5.044, tB = 3.308, P < 0.01), and the improvement was more significant in group A (t = 1.889, P < 0.05). Different degrees of mild adverse effects developed in both groups and relieved after treatment.
CONCLUSION: Erythromycin combined with cisapride can improve the curative effect in type 2 diabetic gastroparesis in terms of effectively relieving clinical symptoms, reducing gastric emptying time and gastrointestinal adverse reactions.
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Qiu X, Lin M, Zhang Y. Trimebutine maleate combined with domperidone for treatment of diabetic gastroparesis. Shijie Huaren Xiaohua Zazhi 2014; 22:4478-4481. [DOI: 10.11569/wcjd.v22.i29.4478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To assess the clinical effects of trimebutine maleate combined with domperidone in the treatment of diabetic gastroparesis (DGP).
METHODS: Eighty-six patients with DGP were randomly divided into either an experiment group or a control group. The experiment group was treated with trimebutine maleate combined with domperidone, and the control group was treated with domperidone alone. The clinical effects, gastric emptying half-time (GET1/2), adverse reactions, and relapse were compared for the two groups.
RESULTS: The total effective rate for the experiment group was significantly higher than that for the control group (93.02% vs 74.42%, P < 0.05). The GET1/2 post-treatment for the two groups was significantly lower than that prior-treatment (124.49 min ± 23.05 min vs 225.62 min ± 21.88 min, 199.46 min ± 23.49 min vs 222.62 min ± 19.08 min, P < 0.05). There was no significant difference in the rate of adverse reactions for the two groups (0.00% vs 4.65%, P > 0.05). The rate of relapse at 2 mo for the experiment group was lower than that for the control group (13.95% vs 51.16%, P < 0.05).
CONCLUSION: Trimebutine maleate combined with domperidone can improve clinical symptoms and GET1/2 in patients with DGP.
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Wu QX, Zhao M, Tan ZR, Qin LR, Huang X, Zhang HJ. Changes of interstitial cells of Cajal and connexin 43 expression in the gastric antrum of rats with diabetic gastroparesis: Implications for interventional effect of insulin. Shijie Huaren Xiaohua Zazhi 2014; 22:4399-4405. [DOI: 10.11569/wcjd.v22.i29.4399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To observe the alterations of interstitial cells of Cajal (ICC) and connexin 43 (Cx43) in gastric antrum tissue of a rat model of diabetic gastroparesis (DGP) and assess the interventional effect of insulin.
METHODS: Sprague-Dawley rats were randomly divided into a diabetic model group, a normal control group and an insulin intervention group. Diabetes was induced by intra-peritoneal injection of streptozotocin. Gastric emptying was measured, and the expression of ICC and Cx43 in the gastric antrum was analyzed by immunohistochemistry. The alterations of the ultrastructure of ICC and gap junction were observed by transmission electron microscopy (TEM) at the 10th week after modeling.
RESULTS: Blood glucose and body weight in the diabetic model group were significantly different from those in other groups. The gastric pigment remnant rate was significantly increased in the diabetic model group. Immunohistochemical staining showed that in diabetic rats, the number of ICC in the circular and longitudinal muscle layers decreased and Cx43 was lowly expressed in circular muscle layers. TEM showed organelle degeneration, cytoplasm dissolution and loosening of the structure of gap junction. Insulin could decrease the gastric pigment remnant rate, increase the number of ICC and Cx43 expression, and reverse ultrastructural changes.
CONCLUSION: The decrease of ICC expression and Cx43 expression might be one of the mechanisms responsible for DGP. Insulin can increase the expression of ICC and Cx43 and thus improve gastrointestinal disorders.
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