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Mori H, Verbeure W, Schol J, Carbone F, Tack J. Gastrointestinal hormones and regulation of gastric emptying. Curr Opin Endocrinol Diabetes Obes 2022; 29:191-199. [PMID: 35081068 DOI: 10.1097/med.0000000000000707] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
PURPOSE OF REVIEW In this review, we evaluate recent findings related to the association between gastrointestinal hormones and regulation of gastric emptying. RECENT FINDINGS Motilin and ghrelin, which act during fasting, promote gastric motility, whereas most of the hormones secreted after a meal inhibit gastric motility. Serotonin has different progastric or antigastric motility effects depending on the receptor subtype. Serotonin receptor agonists have been used clinically to treat dyspepsia symptoms but other hormone receptor agonists or antagonists are still under development. Glucagon-like peptide 1 agonists, which have gastric motility and appetite-suppressing effects are used as a treatment for obesity and diabetes. SUMMARY Gastrointestinal hormones play an important role in the regulation of gastric motility. Various drugs have been developed to treat delayed gastric emptying by targeting gastrointestinal hormones or their receptors but few have been commercialized.
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Affiliation(s)
- Hideki Mori
- Translational Research Center for Gastrointestinal Disorders, KU Leuven, Leuven, Belgium
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Irving H, Turek I, Kettle C, Yaakob N. Tapping into 5-HT 3 Receptors to Modify Metabolic and Immune Responses. Int J Mol Sci 2021; 22:ijms222111910. [PMID: 34769340 PMCID: PMC8584345 DOI: 10.3390/ijms222111910] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 10/28/2021] [Accepted: 10/29/2021] [Indexed: 02/07/2023] Open
Abstract
5-hydroxytryptamine type 3 (5-HT3) receptors are ligand gated ion channels, which clearly distinguish their mode of action from the other G-protein coupled 5-HT or serotonin receptors. 5-HT3 receptors are well established targets for emesis and gastrointestinal mobility and are used as adjunct targets in treating schizophrenia. However, the distribution of these receptors is wider than the nervous system and there is potential that these additional sites can be targeted to modulate inflammatory and/or metabolic conditions. Recent progress in structural biology and pharmacology of 5-HT3 receptors have provided profound insights into mechanisms of their action. These advances, combined with insights into clinical relevance of mutations in genes encoding 5-HT3 subunits and increasing understanding of their implications in patient's predisposition to diseases and response to the treatment, open new avenues for personalized precision medicine. In this review, we recap on the current status of 5-HT3 receptor-based therapies using a biochemical and physiological perspective. We assess the potential for targeting 5-HT3 receptors in conditions involving metabolic or inflammatory disorders based on recent findings, underscoring the challenges and limitations of this approach.
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Affiliation(s)
- Helen Irving
- Department of Pharmacy and Biomedical Sciences, La Trobe Institute for Molecular Science, La Trobe University, Bendigo, VIC 3550, Australia; (I.T.); (C.K.)
- Correspondence:
| | - Ilona Turek
- Department of Pharmacy and Biomedical Sciences, La Trobe Institute for Molecular Science, La Trobe University, Bendigo, VIC 3550, Australia; (I.T.); (C.K.)
| | - Christine Kettle
- Department of Pharmacy and Biomedical Sciences, La Trobe Institute for Molecular Science, La Trobe University, Bendigo, VIC 3550, Australia; (I.T.); (C.K.)
| | - Nor Yaakob
- Drug and Herbal Research Centre, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur 50300, Malaysia;
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Liu B, Dong J, Wang S, Yu H, Li Z, Sun P, Zhao L. Helicobacter pylori causes delayed gastric emptying by decreasing interstitial cells of Cajal. Exp Ther Med 2021; 22:663. [PMID: 33986828 PMCID: PMC8111862 DOI: 10.3892/etm.2021.10095] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 03/12/2021] [Indexed: 12/20/2022] Open
Abstract
Helicobacter pylori (HP) infection is one of the most frequent bacterial infections in humans and is associated with the pathogenesis of gastric motility disorders such as delayed gastric emptying (DGE). Although HP infection is considered to delay gastric emptying, there has been little research on the underlying mechanism. Gastric motility involves interactions among gastrointestinal hormones, smooth muscle, enteric and extrinsic autonomic nerves and interstitial cells of Cajal (ICCs), and ICCs play an important role in gastrointestinal motility. Mutation or loss of stem cell factor (SCF) expression is known to reduce the number of ICCs or alter the integrity of the ICC network, contributing to gastrointestinal dysmotility. The aim of the present study was to investigate whether a reduction in ICCs contributes to the DGE caused by HP. A mouse model of HP infection was established and gastric emptying was compared between HP-infected and uninfected mice using the bead method. In addition, ICC counts and SCF expression levels in gastric tissue were evaluated using immunohistochemistry and western blotting, respectively. The results revealed that gastric emptying was significantly slower, the number of ICCs in gastric tissue was significantly reduced and the protein level of SCF in gastric tissue was significantly decreased in HP-infected mice compared with uninfected mice. Therefore, it may be concluded that HP reduced the number of ICCs by decreasing the expression of SCF protein in gastric tissue, thereby causing DGE.
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Affiliation(s)
- Bin Liu
- School of Medicine, Shandong University, Jinan, Shandong 250012, P.R. China.,Department of Hepatobiliary Surgery, Shandong Cancer Hospital, Shandong University, Jinan, Shandong 250117, P.R. China.,Department of General Surgery, Changqing District People's Hospital, Jinan, Shandong 250300, P.R. China.,Department of Hepatobiliary Surgery, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Jun Dong
- Department of General Surgery, Changqing District People's Hospital, Jinan, Shandong 250300, P.R. China
| | - Shasha Wang
- Department of Hepatobiliary Surgery, Shandong Cancer Hospital, Shandong University, Jinan, Shandong 250117, P.R. China.,Department of Hepatobiliary Surgery, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Haining Yu
- Department of Hepatobiliary Surgery, Shandong Cancer Hospital, Shandong University, Jinan, Shandong 250117, P.R. China.,Department of Hepatobiliary Surgery, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Zhongchao Li
- Department of Hepatobiliary Surgery, Shandong Cancer Hospital, Shandong University, Jinan, Shandong 250117, P.R. China.,Department of Hepatobiliary Surgery, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Pengfei Sun
- Department of Hepatobiliary Surgery, Shandong Cancer Hospital, Shandong University, Jinan, Shandong 250117, P.R. China.,Department of Hepatobiliary Surgery, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Lei Zhao
- School of Medicine, Shandong University, Jinan, Shandong 250012, P.R. China.,Department of Hepatobiliary Surgery, Shandong Cancer Hospital, Shandong University, Jinan, Shandong 250117, P.R. China.,Department of Hepatobiliary Surgery, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
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Riyaz A, Nazir S, Khushtar M, Mishra A, Jahan Y, Ahmad A. Effect of Nigella sativa L. seed extract on cisplatin-induced delay in gastric emptying in Sprague-Dawley rats. Nat Prod Res 2016; 31:588-592. [PMID: 27348571 DOI: 10.1080/14786419.2016.1201670] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The aim of this study was focused on investigating the possible protective effect of Nigella sativa L. seed extract against cisplatin-induced delay in gastric emptying, in a rat model. Twenty-five male Sprague-Dawley rats were divided into five equal groups as follows: Group I or control group, Group II (cisplatin 10 mg/kg, i.p at day 5), Group III (N. sativa L. 250 mg/kg for 5 days + cisplatin 10 mg/kg, i.p on day 5), Group IV (N. sativa L. 500 mg/kg for 5 days + cisplatin 10 mg/kg, i.p on day 5) and Group V (ondansetron 3 mg/kg/day, per os + cisplatin 10 mg/kg, i.p on day 5). Phenol red meal was adopted to estimate gastric emptying in different groups of the rats. Gastric emptying was significantly increased (p < 0.01) in N. sativa L. seed extract-pretreated rats (Group III and Group IV) when compared to cisplatin treatment alone (Group II). However, ondansetron produced significantly (p < 0.01) better reversal than N. sativa L. seed extract.
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Affiliation(s)
- Ambreena Riyaz
- a Faculty of Pharmacy , Integral University , Lucknow , India
| | - Shahid Nazir
- b School of Veterinary Medicine , Wollo University , Dessie , Ethiopia
| | | | - Anuradha Mishra
- a Faculty of Pharmacy , Integral University , Lucknow , India
| | - Yasmeen Jahan
- a Faculty of Pharmacy , Integral University , Lucknow , India
| | - Asad Ahmad
- a Faculty of Pharmacy , Integral University , Lucknow , India
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Tian JX, Li M, Zhen Z, Li JL, Cao Y, Yan SH, Tong XL. Establishment and evaluation of animal models of diabetic gastroparesis. Shijie Huaren Xiaohua Zazhi 2015; 23:2091-2097. [DOI: 10.11569/wcjd.v23.i13.2091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The incidence of diabetic gastrointestinal disease, one of the most common complication of diabetes, is growing in recent years. Establishing an adequate animal model of diabetic gastrointestinal disease could effectively lay a solid foundation for the exploration of its mechanism and treatment. The rate of gastric emptying in diabetic gastrointestinal disease varies from acceleration to deceleration in different stages, and there is a lack of objective indicators to evaluate it. The establishment and evaluation of animals with diabetic gastrointestinal disease is still in the exploration stage. In this paper we summarize the establishment and evaluation of animal models of diabetic gastrointestinal disease. We compare the advantages and disadvantages of these animal models, in order to provide a reference for further study and treatment of this disease.
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X-ray analysis of the effect of the 5-HT3 receptor antagonist granisetron on gastrointestinal motility in rats repeatedly treated with the antitumoral drug cisplatin. Exp Brain Res 2014; 232:2601-12. [DOI: 10.1007/s00221-014-3954-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Accepted: 04/04/2014] [Indexed: 10/25/2022]
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He W, Zhang Y, Wang X, Guo L, Han L, Liu E, Wang T. Zhizhu Decoction Promotes Gastric Emptying and Protects the Gastric Mucosa. J Med Food 2013; 16:306-11. [DOI: 10.1089/jmf.2012.2438] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Wei He
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Ministry of Education, Tianjin, China
| | - Yi Zhang
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Ministry of Education, Tianjin, China
| | - Xinrui Wang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Ministry of Education, Tianjin, China
| | - Lingling Guo
- Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Tianjin University of Traditional Chinese Medicine, Ministry of Education, Tianjin, China
| | - Lifeng Han
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Ministry of Education, Tianjin, China
| | - Erwei Liu
- Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Tianjin University of Traditional Chinese Medicine, Ministry of Education, Tianjin, China
| | - Tao Wang
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Ministry of Education, Tianjin, China
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Ando K, Takagi K, Tsubone H. Enhanced gastric retention of solid resin beads as a marker for emetic potential of agents in rats. J Toxicol Sci 2012; 37:549-53. [PMID: 22687994 DOI: 10.2131/jts.37.549] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Whereas nausea and emesis are burdensome side effects that lead to poor treatment compliance especially in chemotherapy, it is difficult to predict the emetic potential of agents in rats and mice because rodents do not vomit. We examined the effect of emetics on gastric retention and role of serotonin (5-hydroxytryptamine, 5-HT)<inf>3</inf> receptor in chemotherapeutic-induced enhancement of gastric retention in rats. The gastric retention of solid material was determined using resin beads, which were suitable to beads made with metals or glasses in size, hardness and weight. Each rat was orally given distilled water (0.5 ml/rat) containing 40 resin beads via a plastic feeding tube. The stomach was removed at 1 hr post-dose and cut along the greater curvature under carbon dioxide anesthesia. Beads were given immediately after administration of the drugs except with cisplatin, when there was a 1 hr delay. Cancer chemotherapeutics including cisplatin(0.1-3 mg/kg i.v.) and doxorubicin(0.3-10 mg/kg i.v.) and a nauseant, copper sulfate(1-30 mg/kg p.o.) enhanced gastric retention of beads. Ondansetron, a 5-HT<inf>3</inf> receptor antagonist, dose-dependently antagonized the enhanced gastric retention by cisplatin and doxorubicin. The copper sulfate-induced enhancement was also reversed by ondansetron. Our results suggest that 5-HT<inf>3</inf> receptors mediate the cancer chemotherapeutic-enhanced gastric retention of solid material in rats. This implicates that the gastric retention of solid material is a useful marker to predict the potential of compounds to induce nausea and/or emesis in non-vomiting rodents.
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Affiliation(s)
- Kentaro Ando
- Department of Comparative Pathophysiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan.
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Prior H, Ewart L, Bright J, Valentin JP. Refinement of the Charcoal Meal Study by Reduction of the Fasting Period. Altern Lab Anim 2012; 40:99-107. [DOI: 10.1177/026119291204000209] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The aim of this investigation was to determine whether a shorter fasting period than the one historically employed for the charcoal meal test, could be used when measuring gastric emptying and intestinal transit within the same animal, and to ascertain whether the scientific outcome would be affected by this benefit to animal welfare. Rats and mice were fasted for 0, 3, 6 or 18 hours before the oral administration of vehicle or atropine. One hour later, the animals were orally administered a charcoal meal, then 20 minutes later, they were killed and the stomach and small intestine were removed. Intestinal transit time (the position of the charcoal front as a percentage of the total length of the small intestine) and relative gastric emptying (weight of stomach contents) were measured. Rats and mice fasted for six hours showed results for gastric emptying and intestinal transit which were similar to those obtained in animals fasted for 18 hours. Reducing the fasting period reduced the body weight loss in both species, and mice on shorter fasts could be group-housed, as hunger-induced fighting was lessened. Therefore, a fasting period of six hours was subsequently adopted for charcoal meal studies at our institution.
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Affiliation(s)
- Helen Prior
- Safety Pharmacology, Global Safety Assessment, AstraZeneca UK Ltd, Mereside, Alderley Park, Macclesfield, Cheshire, UK
| | - Lorna Ewart
- Safety Pharmacology, Global Safety Assessment, AstraZeneca UK Ltd, Mereside, Alderley Park, Macclesfield, Cheshire, UK
| | - Jonathan Bright
- Safety Pharmacology, Global Safety Assessment, AstraZeneca UK Ltd, Mereside, Alderley Park, Macclesfield, Cheshire, UK
| | - Jean-Pierre Valentin
- Safety Pharmacology, Global Safety Assessment, AstraZeneca UK Ltd, Mereside, Alderley Park, Macclesfield, Cheshire, UK
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