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Amin N, Abbasi IN, Wu F, Shi Z, Sundus J, Badry A, Yuan X, Zhao BX, Pan J, Mi XD, Luo Y, Geng Y, Fang M. The Janus face of HIF-1α in ischemic stroke and the possible associated pathways. Neurochem Int 2024; 177:105747. [PMID: 38657682 DOI: 10.1016/j.neuint.2024.105747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 03/01/2024] [Accepted: 04/19/2024] [Indexed: 04/26/2024]
Abstract
Stroke is the most devastating disease, causing paralysis and eventually death. Many clinical and experimental trials have been done in search of a new safe and efficient medicine; nevertheless, scientists have yet to discover successful remedies that are also free of adverse effects. This is owing to the variability in intensity, localization, medication routes, and each patient's immune system reaction. HIF-1α represents the modern tool employed to treat stroke diseases due to its functions: downstream genes such as glucose metabolism, angiogenesis, erythropoiesis, and cell survival. Its role can be achieved via two downstream EPO and VEGF strongly related to apoptosis and antioxidant processes. Recently, scientists paid more attention to drugs dealing with the HIF-1 pathway. This review focuses on medicines used for ischemia treatment and their potential HIF-1α pathways. Furthermore, we discussed the interaction between HIF-1α and other biological pathways such as oxidative stress; however, a spotlight has been focused on certain potential signalling contributed to the HIF-1α pathway. HIF-1α is an essential regulator of oxygen balance within cells which affects and controls the expression of thousands of genes related to sustaining homeostasis as oxygen levels fluctuate. HIF-1α's role in ischemic stroke strongly depends on the duration and severity of brain damage after onset. HIF-1α remains difficult to investigate, particularly in ischemic stroke, due to alterations in the acute and chronic phases of the disease, as well as discrepancies between the penumbra and ischemic core. This review emphasizes these contrasts and analyzes the future of this intriguing and demanding field.
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Affiliation(s)
- Nashwa Amin
- Center for Rehabilitation Medicine, Department of Neurology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China; Department of Zoology, Faculty of Science, Aswan University, Egypt; Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Irum Naz Abbasi
- Institute of Systemic Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Fei Wu
- Institute of Systemic Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Zongjie Shi
- Center for Rehabilitation Medicine, Department of Neurology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Javaria Sundus
- Institute of Systemic Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Azhar Badry
- Institute of Systemic Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Xia Yuan
- Institute of Systemic Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Bing-Xin Zhao
- Center for Rehabilitation Medicine, Department of Neurology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Jie Pan
- Center for Rehabilitation Medicine, Department of Neurology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Xiao-Dan Mi
- Center for Rehabilitation Medicine, Rehabilitation & Sports Medicine Research Institute of Zhejiang Province, Department of Rehabilitation Medicine, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Yuhuan Luo
- Department of Pediatrics, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yu Geng
- Center for Rehabilitation Medicine, Department of Neurology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Marong Fang
- Institute of Systemic Medicine, Zhejiang University School of Medicine, Hangzhou, China; Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China.
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2
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Ke Z, Lu Z, Li Q, Tong W. Intestinal glucose excretion: A potential mechanism for glycemic control. Metabolism 2024; 152:155743. [PMID: 38007149 DOI: 10.1016/j.metabol.2023.155743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 11/20/2023] [Accepted: 11/20/2023] [Indexed: 11/27/2023]
Abstract
The gut has been increasingly recognized in recent years as a pivotal organ in the maintenance of glucose homeostasis. Specifically, the profound and enduring improvement in glucose metabolism achieved through metabolic surgery to modify the anatomy of the gut has prompted scholars to acknowledge that the most effective strategy for treating type 2 diabetes mellitus (T2DM) involves the gut. The mechanisms underlying the regulation of glucose metabolism by the gut encompass gut hormones, bile acids, intestinal gluconeogenesis, gut microbiota, and signaling interactions between the gut and other organs (liver, brain, adipose, etc.). Recent studies have also revealed a novel phenomenon of glucose lowering through the gut: metabolic surgery and metformin promote the excretion of glucose from the circulation into the intestinal lumen by enterocytes. However, there is still limited understanding regarding the underlying mechanisms of intestinal glucose excretion and its contribution to glycemic control. This article reviews current research on intestinal glucose excretion while focusing on its role in T2DM management as well as potential mechanisms.
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Affiliation(s)
- Zhigang Ke
- Department of General Surgery, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Zongshi Lu
- Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Army Medical University, Chongqing Institute of Hypertension, Chongqing 400042, China
| | - Qing Li
- Department of General Surgery, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Weidong Tong
- Department of General Surgery, Daping Hospital, Army Medical University, Chongqing 400042, China.
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3
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Fagundes RR, Belt SC, Bakker BM, Dijkstra G, Harmsen HJM, Faber KN. Beyond butyrate: microbial fiber metabolism supporting colonic epithelial homeostasis. Trends Microbiol 2024; 32:178-189. [PMID: 37596118 DOI: 10.1016/j.tim.2023.07.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 07/21/2023] [Accepted: 07/24/2023] [Indexed: 08/20/2023]
Abstract
Human gut bacteria produce metabolites that support energy and carbon metabolism of colonic epithelial cells. While butyrate is commonly considered the primary fuel, it alone cannot meet all the carbon requirements for cellular synthetic functions. Glucose, delivered via circulation or microbial metabolism, serves as a universal carbon source for synthetic processes like DNA, RNA, protein, and lipid production. Detailed knowledge of epithelial carbon and energy metabolism is particularly relevant for epithelial regeneration in digestive and metabolic diseases, such as inflammatory bowel disease and type 2 diabetes. Here, we review the production and role of different colonic microbial metabolites in energy and carbon metabolism of colonocytes, also critically evaluating the common perception that butyrate is the preferred fuel.
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Affiliation(s)
- Raphael R Fagundes
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Saskia C Belt
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Barbara M Bakker
- Laboratory of Pediatrics, Systems Medicine of Metabolism and Signaling, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Gerard Dijkstra
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Hermie J M Harmsen
- Department of Medical Microbiology and Infection prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Klaas Nico Faber
- Department of Gastroenterology and Hepatology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
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4
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Gauthier E, Milagro FI, Navas-Carretero S. Effect of low-and non-calorie sweeteners on the gut microbiota: A review of clinical trials and cross-sectional studies. Nutrition 2024; 117:112237. [PMID: 37897982 DOI: 10.1016/j.nut.2023.112237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/18/2023] [Accepted: 09/21/2023] [Indexed: 10/30/2023]
Abstract
Use of non-nutritive sweeteners (NNSs) has increased worldwide in recent decades. However, evidence from preclinical studies shows that sweetener consumption may induce glucose intolerance through changes in the gut microbiota, which raises public health concerns. As studies conducted on humans are lacking, the aim of this review was to gather and summarize the current evidence on the effects of NNSs on human gut microbiota. Only clinical trials and cross-sectional studies were included in the review. Regarding NNSs (i.e, saccharin, sucralose, aspartame, and stevia), only two of five clinical trials showed significant changes in gut microbiota composition after the intervention protocol. These studies concluded that saccharin and sucralose impair glycemic tolerance. In three of the four cross-sectional studies an association between NNSs and the microbial composition was observed. All three clinical trials on polyols (i.e, xylitol) showed prebiotic effects on gut microbiota, but these studies had multiple limitations (publication date, dosage, duration) that jeopardize their validity. The microbial response to NNSs consumption could be strongly mediated by the gut microbial composition at baseline. Further studies in which the potential personalized microbial response to NNSs consumption is acknowledged, and that include longer intervention protocols, larger cohorts, and more realistic sweetener dosage are needed to broaden these findings.
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Affiliation(s)
- Ellie Gauthier
- School of Nutrition, Université Laval, Quebec City, Quebec, Canada; Centre Nutrition, santé et société (NUTRISS)-Institut sur la nutrition et les aliments fonctionnels (INAF), Université Laval, Quebec City, Quebec, Canada
| | - Fermin I Milagro
- Center for Nutrition Research; Department of Nutrition, Food Sciences and Physiology; School of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain; Navarra Institute for Health Research (IdiSNA), Pamplona, Spain; CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Madrid, Spain
| | - Santiago Navas-Carretero
- Center for Nutrition Research; Department of Nutrition, Food Sciences and Physiology; School of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain; Navarra Institute for Health Research (IdiSNA), Pamplona, Spain; CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Madrid, Spain.
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5
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Kato K, Miura M, Tachibana H, Tsukamoto I. Effects of monosaccharides including rare sugars on proliferation of Entamoeba histolytica trophozoites in vitro. Front Mol Biosci 2023; 10:1288470. [PMID: 38143801 PMCID: PMC10739481 DOI: 10.3389/fmolb.2023.1288470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 11/27/2023] [Indexed: 12/26/2023] Open
Abstract
Entamoeba histolytica is a parasitic protozoan with roles in pathogenicity of intestinal amoebiasis. E. histolytica trophozoites lack functional mitochondria and their energy production depends mostly on glycolysis. D-Glucose has a pivotal role in this process and trophozoites store this sugar as glycogen in glycogen granules. Rare sugars, which are defined as sugars present in nature in limited amounts, are of interest as natural low-calorie sweeteners for improving physical conditions of humans. One such rare sugar, D-allose, can be absorbed by a sodium-dependent glucose cotransporter as a substitute for D-glucose, and some rare sugars are known to inhibit growth of cancer cells, Caenorhabditis elegans and Tritrichomonas foetus. Based on these observations, we examined the effects of rare sugars on growth of E. histolytica trophozoites, together with those of D-galactose and D-fructose. The results indicate that treatment with D-allose or D-psicose (D-allulose) alone inhibits proliferation of E. histolytica trophozoites, but that these sugars enhance proliferation of trophozoites in the presence of D-glucose or D-galactose. The trophozoites could take up D-glucose and D-galactose, but not D-fructose, D-allose or D-psicose. Cell sizes of the trophozoites also differed depending on the culture medium.
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Affiliation(s)
- Kentaro Kato
- Department of Eco-epidemiology, Institute of Tropical Medicine (NEKKEN), Nagasaki University, Nagasaki, Japan
- School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan
| | - Mitsumasa Miura
- Department of Eco-epidemiology, Institute of Tropical Medicine (NEKKEN), Nagasaki University, Nagasaki, Japan
| | - Hiroshi Tachibana
- Department of Parasitology, Tokai University School of Medicine, Isehara, Japan
| | - Ikuko Tsukamoto
- Department of Pharmaco-bio-informatics, Faculty of Medicine, Kagawa University, Kita-gun, Japan
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6
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Liu Z, Villareal L, Goodla L, Kim H, Falcon DM, Haneef M, Martin DR, Zhang L, Lee HJ, Kremer D, Lyssiotis CA, Shah YM, Lin HC, Lin HK, Xue X. Iron promotes glycolysis to drive colon tumorigenesis. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166846. [PMID: 37579983 PMCID: PMC10530594 DOI: 10.1016/j.bbadis.2023.166846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 07/28/2023] [Accepted: 08/07/2023] [Indexed: 08/16/2023]
Abstract
Colorectal cancer (CRC) is the third most common cancer and is also the third leading cause of cancer-related death in the USA. Understanding the mechanisms of growth and progression of CRC is essential to improve treatment. Macronutrients such as glucose are energy source for a cell. Many tumor cells exhibit increased aerobic glycolysis. Increased tissue micronutrient iron levels in both mice and humans are also associated with increased colon tumorigenesis. However, if iron drives colon carcinogenesis via affecting glucose metabolism is still not clear. Here we found the intracellular glucose levels in tumor colonoids were significantly increased after iron treatment. 13C-labeled glucose flux analysis indicated that the levels of several labeled glycolytic products were significantly increased, whereas several tricarboxylic acid cycle intermediates were significantly decreased in colonoids after iron treatment. Mechanistic studies showed that iron upregulated the expression of glucose transporter 1 (GLUT1) and mediated an inhibition of the pyruvate dehydrogenase (PDH) complex function via directly binding with tankyrase and/or pyruvate dehydrogenase kinase (PDHK) 3. Pharmacological inhibition of GLUT1 or PDHK reactivated PDH complex function and reduced high iron diet-enhanced tumor formation. In conclusion, excess iron promotes glycolysis and colon tumor growth at least partly through the inhibition of the PDH complex function.
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Affiliation(s)
- Zhaoli Liu
- Department of Biochemistry and Molecular Biology, University of New Mexico, Albuquerque, NM 87131, USA
| | - Luke Villareal
- Department of Biochemistry and Molecular Biology, University of New Mexico, Albuquerque, NM 87131, USA
| | - Lavanya Goodla
- Department of Biochemistry and Molecular Biology, University of New Mexico, Albuquerque, NM 87131, USA
| | - Hyeoncheol Kim
- Department of Biochemistry and Molecular Biology, University of New Mexico, Albuquerque, NM 87131, USA
| | - Daniel M Falcon
- Department of Biochemistry and Molecular Biology, University of New Mexico, Albuquerque, NM 87131, USA
| | - Mohammad Haneef
- Department of Biochemistry and Molecular Biology, University of New Mexico, Albuquerque, NM 87131, USA
| | - David R Martin
- Department of Pathology, University of New Mexico, Albuquerque, NM 87131, USA
| | - Li Zhang
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Ho-Joon Lee
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Daniel Kremer
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Costas A Lyssiotis
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Internal Medicine, Division of Gastroenterology, University of Michigan, Ann Arbor, MI 48109, USA; Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Yatrik M Shah
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Internal Medicine, Division of Gastroenterology, University of Michigan, Ann Arbor, MI 48109, USA; Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Henry C Lin
- Section of Gastroenterology, Medicine Service, New Mexico VA Health Care System, Albuquerque, NM 87108, USA; Division of Gastroenterology and Hepatology, Department of Medicine, the University of New Mexico, Albuquerque, NM, 87131, USA
| | - Hui-Kuan Lin
- Department of Pathology, Duke University, Durham, NC 27710, USA
| | - Xiang Xue
- Department of Biochemistry and Molecular Biology, University of New Mexico, Albuquerque, NM 87131, USA.
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7
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Kusuma IY, Bahar MA. Oral rehydration solution (ORS) for fasting doping: Examining the Twitter data in Indonesia. NARRA J 2023; 3:e196. [PMID: 38455632 PMCID: PMC10919700 DOI: 10.52225/narra.v3i3.196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 09/22/2023] [Indexed: 03/09/2024]
Abstract
Oral rehydration solution (ORS) or oralit is a sugar and salt-based solution that restores electrolyte balance, counters dehydration and mitigates metabolic acidosis. In Indonesia, particularly during the month of Ramadan, the use of ORS as a form of fasting doping has become increasingly prevalent. This study aimed to analyze the patterns of communication, key influencers, and sentiment within the Twitter network in Indonesia regarding the use of ORS as fasting doping. From March 15 to March 26, 2023, Twitter data was collected using NodeXL software. The dataset was then analyzed using NodeXL and Gephi software to identify key influencers and patterns within the network. To assess attitudes towards the use of ORS as fasting doping expressed in tweets, sentiment analysis was conducted using Azure Machine. The dataset consisted of 13,746 tweets, from which the analysis revealed that Twitter discourse concerning the use of ORS as fasting doping demonstrated a diverse range of individuals. The top five users with the highest betweenness centrality scores were medical doctors, mention and confess (menfess) accounts, and personal accounts. The sentiment analysis of the collected tweets unveiled a relatively high negative sentiment toward the use of ORS for fasting purposes. Notably, the proportion of positive and neutral sentiments were comparable. Our data indicate that ORS use as fasting doping is controversial in Indonesia. Most tweets express concerns about misuse and negative consequences, indicating a need for guidance and regulation from public health authorities. Further research and guidelines are necessary to ensure the safe and appropriate use.
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Affiliation(s)
- Ikhwan Y Kusuma
- Pharmacy Study Program, Faculty of Health, Universitas Harapan Bangsa, Purwokerto, Indonesia
- Institute of Clinical Pharmacy, University of Szeged, Szeged, Hungary
| | - Muhammad A Bahar
- Department of Pharmacy, Faculty of Pharmacy, Universitas Hasanuddin, Makassar, Indonesia
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8
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Liu M, Shen J, Zhu X, Ju T, Willing BP, Wu X, Lu Q, Liu R. Peanut skin procyanidins reduce intestinal glucose transport protein expression, regulate serum metabolites and ameliorate hyperglycemia in diabetic mice. Food Res Int 2023; 173:113471. [PMID: 37803795 DOI: 10.1016/j.foodres.2023.113471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/05/2023] [Accepted: 09/10/2023] [Indexed: 10/08/2023]
Abstract
One of diabetic characteristics is the postprandial hyperglycemia. Inhibiting glucose uptake may be beneficial for controlling postprandial blood glucose levels and regulating the glucose metabolism Peanut skin procyanidins (PSP) have shown a potential for lowering blood glucose; however, the underlying mechanism through which PSP regulate glucose metabolism remains unknown. In the current study, we investigated the effect of PSP on intestinal glucose transporters and serum metabolites using a mouse model of diabetic mice. Results showed that PSP improved glucose tolerance and systemic insulin sensitivity, which coincided with decreased expression of sodium-glucose cotransporter 1 and glucose transporter 2 in the intestinal epithelium induced by an activation of the phospholipase C β2/protein kinase C signaling pathway. Moreover, untargeted metabolomic analysis of serum samples revealed that PSP altered arachidonic acid, sphingolipid, glycerophospholipid, bile acids, and arginine metabolic pathways. The study provides new insight into the anti-diabetic mechanism of PSP and a basis for further research.
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Affiliation(s)
- Min Liu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430000, China; Wuhan Engineering Research Center of Bee Products on Quality and Safety Control, Wuhan 430000, China
| | - Jinxin Shen
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430000, China; Wuhan Engineering Research Center of Bee Products on Quality and Safety Control, Wuhan 430000, China
| | - Xiaoling Zhu
- Hubei Provincial Institute for Food Supervision and Test, Wuhan 430070, China
| | - Tingting Ju
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Benjamin P Willing
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Xin Wu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430000, China; Wuhan Engineering Research Center of Bee Products on Quality and Safety Control, Wuhan 430000, China
| | - Qun Lu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430000, China; Wuhan Engineering Research Center of Bee Products on Quality and Safety Control, Wuhan 430000, China; Key Laboratory of Environment Correlative Dietology, Ministry of Education, Wuhan 430000, China
| | - Rui Liu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430000, China; Wuhan Engineering Research Center of Bee Products on Quality and Safety Control, Wuhan 430000, China; Key Laboratory of Environment Correlative Dietology, Ministry of Education, Wuhan 430000, China; Key Laboratory of Urban Agriculture in Central China, Ministry of Agriculture and Rural Affairs, China.
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9
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Moon DO. A comprehensive review of the effects of resveratrol on glucose metabolism: unveiling the molecular pathways and therapeutic potential in diabetes management. Mol Biol Rep 2023; 50:8743-8755. [PMID: 37642760 DOI: 10.1007/s11033-023-08746-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 08/08/2023] [Indexed: 08/31/2023]
Abstract
Resveratrol, a naturally occurring polyphenolic compound predominantly found in red wine and grapes, has garnered attention for its potential role in regulating carbohydrate digestion, glucose absorption, and metabolism. This review aims to deliver a comprehensive analysis of the molecular mechanisms and therapeutic potential of resveratrol in influencing vital processes in glucose homeostasis. These processes include carbohydrate digestion, glucose absorption, glycogen storage, insulin secretion, glucose metabolism in muscle cells, and triglyceride synthesis in adipocytes.The goal of this review is to offer an in-depth understanding of the multifaceted effects of resveratrol on glucose metabolism. By doing so, it presents valuable insights into its potential applications for preventing and treating metabolic disorders. This comprehensive examination of resveratrol's impact on glucose management will contribute to the growing body of knowledge on this promising natural compound, which may benefit researchers, healthcare professionals, and individuals interested in metabolic disorder prevention and treatment.
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Affiliation(s)
- Dong-Oh Moon
- Department of Biology Education, Daegu University, 201, Daegudae-ro, Gyeongsan-si, 38453, Gyeongsangbuk-do, Republic of Korea.
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10
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McCann JR, Rawls JF. Essential Amino Acid Metabolites as Chemical Mediators of Host-Microbe Interaction in the Gut. Annu Rev Microbiol 2023; 77:479-497. [PMID: 37339735 PMCID: PMC11188676 DOI: 10.1146/annurev-micro-032421-111819] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2023]
Abstract
Amino acids are indispensable substrates for protein synthesis in all organisms and incorporated into diverse aspects of metabolic physiology and signaling. However, animals lack the ability to synthesize several of them and must acquire these essential amino acids from their diet or perhaps their associated microbial communities. The essential amino acids therefore occupy a unique position in the health of animals and their relationships with microbes. Here we review recent work connecting microbial production and metabolism of essential amino acids to host biology, and the reciprocal impacts of host metabolism of essential amino acids on their associated microbes. We focus on the roles of the branched-chain amino acids (valine, leucine, and isoleucine) and tryptophan on host-microbe communication in the intestine of humans and other vertebrates. We then conclude by highlighting research questions surrounding the less-understood aspects of microbial essential amino acid synthesis in animal hosts.
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Affiliation(s)
- Jessica R McCann
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, North Carolina, USA; ,
| | - John F Rawls
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, North Carolina, USA; ,
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11
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Teichenné J, Catalán Ú, Mariné-Casadó R, Domenech-Coca C, Mas-Capdevila A, Alcaide-Hidalgo JM, Chomiciute G, Rodríguez-García A, Hernández A, Gutierrez V, Puiggròs F, Del Bas JM, Caimari A. Bacillus coagulans GBI-30, 6086 (BC30) improves lactose digestion in rats exposed to a high-lactose meal. Eur J Nutr 2023; 62:2649-2659. [PMID: 37249602 DOI: 10.1007/s00394-023-03183-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 05/22/2023] [Indexed: 05/31/2023]
Abstract
PURPOSE Bacillus coagulans GBI-30, 6086 (BC30) was previously shown to improve nutrient digestibility and amino acid absorption from milk protein in vitro. However, the effect of supplementation with this probiotic on lactose digestibility has not yet been evaluated in vivo. METHODS Wistar female rats were exposed to an acute high-lactose diet (LD; 35% lactose) meal challenge after 7 days of administration of BC30 (LD-BC; n = 10) or vehicle (LD-C; n = 10). Rats treated with vehicle and exposed to control diet (CD; 35% corn starch) meal were used as controls (CD-C; n = 10). Carbohydrate oxidation (CH_OX) and lipid oxidation (L_OX) were monitored by indirect calorimetry before and after lactose challenge. After the challenge, rats were treated daily with vehicle or probiotic for an additional week and were fed with CD or LD ad libitum to determine the effects of BC30 administration in a lactose-induced diarrhoea and malnutrition model. RESULTS LD-C rats showed lower CH_OX levels than CD rats, while LD-BC rats showed similar CH_OX levels compared to CD rats during the lactose challenge, suggesting a better digestion of lactose in the rats supplemented with BC30. BC30 completely reversed the increase in the small intestine length of LD-C animals. LD-BC rats displayed increased intestinal mRNA Muc2 expression. No significant changes were observed due to BC30 administration in other parameters, such as serum calprotectin, intestinal MPO activity, intestinal A1AT and SGLT1 levels or intestinal mRNA levels of Claudin2 and Occludin. CONCLUSION Treatment with BC30 improved the digestibility of lactose in an acute lactose challenge and ameliorated some of the parameters associated with lactose-induced malnutrition.
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Affiliation(s)
- Joan Teichenné
- Eurecat, Centre Tecnològic de Catalunya, Technological Unit of Nutrition and Health, Avinguda Universitat 1, 43204, Reus, Catalonia, Spain.
| | - Úrsula Catalán
- Eurecat, Centre Tecnològic de Catalunya, Technological Unit of Nutrition and Health, Avinguda Universitat 1, 43204, Reus, Catalonia, Spain
- Functional Nutrition, Oxidation, and Cardiovascular Diseases Group (NFOC-Salut), Facultat de Medicina i Ciències de la Salut, Universitat Rovira i Virgili, C/Sant Llorenç 21, 43201, Reus, Catalonia, Spain
| | - Roger Mariné-Casadó
- Eurecat, Centre Tecnològic de Catalunya, Technological Unit of Nutrition and Health, Avinguda Universitat 1, 43204, Reus, Catalonia, Spain
| | - Cristina Domenech-Coca
- Eurecat, Centre Tecnològic de Catalunya, Technological Unit of Nutrition and Health, Avinguda Universitat 1, 43204, Reus, Catalonia, Spain
| | - Anna Mas-Capdevila
- Eurecat, Centre Tecnològic de Catalunya, Technological Unit of Nutrition and Health, Avinguda Universitat 1, 43204, Reus, Catalonia, Spain
| | - Juan María Alcaide-Hidalgo
- Eurecat, Centre Tecnològic de Catalunya, Technological Unit of Nutrition and Health, Avinguda Universitat 1, 43204, Reus, Catalonia, Spain
| | - Gertruda Chomiciute
- Eurecat, Centre Tecnològic de Catalunya, Technological Unit of Nutrition and Health, Avinguda Universitat 1, 43204, Reus, Catalonia, Spain
| | | | - Ana Hernández
- Delafruit SLU, 43470, La Selva del Camp, Catalonia, Spain
| | | | - Francesc Puiggròs
- Eurecat, Centre Tecnològic de Catalunya, Technological Unit of Nutrition and Health, Avinguda Universitat 1, 43204, Reus, Catalonia, Spain
| | - Josep M Del Bas
- Eurecat, Centre Tecnològic de Catalunya, Technological Unit of Nutrition and Health, Avinguda Universitat 1, 43204, Reus, Catalonia, Spain.
| | - Antoni Caimari
- Eurecat, Centre Tecnològic de Catalunya, Technological Unit of Nutrition and Health, Avinguda Universitat 1, 43204, Reus, Catalonia, Spain
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12
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Ferreira G, Santander A, Cardozo R, Chavarría L, Domínguez L, Mujica N, Benítez M, Sastre S, Sobrevia L, Nicolson GL. Nutrigenomics of inward rectifier potassium channels. Biochim Biophys Acta Mol Basis Dis 2023:166803. [PMID: 37406972 DOI: 10.1016/j.bbadis.2023.166803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/27/2023] [Accepted: 06/30/2023] [Indexed: 07/07/2023]
Abstract
Inwardly rectifying potassium (Kir) channels play a key role in maintaining the resting membrane potential and supporting potassium homeostasis. There are many variants of Kir channels, which are usually tetramers in which the main subunit has two trans-membrane helices attached to two N- and C-terminal cytoplasmic tails with a pore-forming loop in between that contains the selectivity filter. These channels have domains that are strongly modulated by molecules present in nutrients found in different diets, such as phosphoinositols, polyamines and Mg2+. These molecules can impact these channels directly or indirectly, either allosterically by modulation of enzymes or via the regulation of channel expression. A particular type of these channels is coupled to cell metabolism and inhibited by ATP (KATP channels, essential for insulin release and for the pathogenesis of metabolic diseases like diabetes mellitus). Genomic changes in Kir channels have a significant impact on metabolism, such as conditioning the nutrients and electrolytes that an individual can take. Thus, the nutrigenomics of ion channels is an important emerging field in which we are attempting to understand how nutrients and diets can affect the activity and expression of ion channels and how genomic changes in such channels may be the basis for pathological conditions that limit nutrition and electrolyte intake. In this contribution we briefly review Kir channels, discuss their nutrigenomics, characterize how different components in the diet affect their function and expression, and suggest how their genomic changes lead to pathological phenotypes that affect diet and electrolyte intake.
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Affiliation(s)
- Gonzalo Ferreira
- Laboratory of Ion Channels, Biological Membranes and Cell Signaling, Dept. of Biophysics, Facultad de Medicina, CP 11800, Universidad de la Republica, Montevideo, Uruguay.
| | - Axel Santander
- Laboratory of Ion Channels, Biological Membranes and Cell Signaling, Dept. of Biophysics, Facultad de Medicina, CP 11800, Universidad de la Republica, Montevideo, Uruguay
| | - Romina Cardozo
- Laboratory of Ion Channels, Biological Membranes and Cell Signaling, Dept. of Biophysics, Facultad de Medicina, CP 11800, Universidad de la Republica, Montevideo, Uruguay
| | - Luisina Chavarría
- Laboratory of Ion Channels, Biological Membranes and Cell Signaling, Dept. of Biophysics, Facultad de Medicina, CP 11800, Universidad de la Republica, Montevideo, Uruguay
| | - Lucía Domínguez
- Laboratory of Ion Channels, Biological Membranes and Cell Signaling, Dept. of Biophysics, Facultad de Medicina, CP 11800, Universidad de la Republica, Montevideo, Uruguay
| | - Nicolás Mujica
- Laboratory of Ion Channels, Biological Membranes and Cell Signaling, Dept. of Biophysics, Facultad de Medicina, CP 11800, Universidad de la Republica, Montevideo, Uruguay
| | - Milagros Benítez
- Laboratory of Ion Channels, Biological Membranes and Cell Signaling, Dept. of Biophysics, Facultad de Medicina, CP 11800, Universidad de la Republica, Montevideo, Uruguay
| | - Santiago Sastre
- Laboratory of Ion Channels, Biological Membranes and Cell Signaling, Dept. of Biophysics, Facultad de Medicina, CP 11800, Universidad de la Republica, Montevideo, Uruguay; Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo CP 11800, Uruguay
| | - Luis Sobrevia
- Cellular and Molecular Physiology Laboratory (CMPL), Department of Obstetrics, Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Department of Physiology, Faculty of Pharmacy, Universidad de Sevilla, Seville E-41012, Spain; Medical School (Faculty of Medicine), Sao Paulo State University (UNESP), Brazil; University of Queensland, Centre for Clinical Research (UQCCR), Faculty of Medicine and Biomedical Sciences, University of Queensland, Herston, 4029, Queensland, Australia; Tecnologico de Monterrey, Eutra, The Institute for Obesity Research (IOR), School of Medicine and Health Sciences, Monterrey, Nuevo León, Mexico
| | - Garth L Nicolson
- Department of Molecular Pathology, The Institute for Molecular Medicine, Huntington Beach, CA, USA
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13
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Liang Z, Jin C, Bai H, Liang G, Su X, Wang D, Yao J. Low rumen degradable starch promotes the growth performance of goats by increasing protein synthesis in skeletal muscle via the AMPK-mTOR pathway. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2023; 13:1-8. [PMID: 36873600 PMCID: PMC9981809 DOI: 10.1016/j.aninu.2022.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/22/2022] [Accepted: 10/04/2022] [Indexed: 11/18/2022]
Abstract
Since starch digestion in the small intestine provides more energy than digestion in the rumen of ruminants, reducing dietary rumen degradable starch (RDS) content is beneficial for improving energy utilization of starch in ruminants. The present study tested whether the reduction of rumen degradable starch by restricting dietary corn processing for growing goats could improve growth performance, and further investigated the possible underlying mechanism. In this study, twenty-four 12-wk-old goats were selected and randomly allocated to receive either a high RDS diet (HRDS, crushed corn-based concentrate, the mean of particle sizes of corn grain = 1.64 mm, n = 12) or a low RDS diet (LRDS, non-processed corn-based concentrate, the mean of particle sizes of corn grain >8 mm, n = 12). Growth performance, carcass traits, plasma biochemical indices, gene expression of glucose and amino acid transporters, and protein expression of the AMPK-mTOR pathway were measured. Compared to the HRDS, LRDS tended to increase the average daily gain (ADG, P = 0.054) and decreased the feed-to-gain ratio (F/G, P < 0.05). Furthermore, LRDS increased the net lean tissue rate (P < 0.01), protein content (P < 0.05) and total free amino acids (P < 0.05) in the biceps femoris (BF) muscle of goats. LRDS increased the glucose concentration (P < 0.01), but reduced total amino acid concentration (P < 0.05) and tended to reduce blood urea nitrogen (BUN) concentration (P = 0.062) in plasma of goats. The mRNA expression of insulin receptors (INSR), glucose transporter 4 (GLUT4), L-type amino acid transporter 1 (LAT1) and 4F2 heavy chain (4F2hc) in BF muscle, and sodium-glucose cotransporters 1 (SGLT1) and glucose transporter 2 (GLUT2) in the small intestine were significantly increased (P < 0.05) in LRDS goats. LRDS also led to marked activation of p70-S6 kinase (S6K) (P < 0.05), but lower activation of AMP-activated protein kinase (AMPK) (P < 0.05) and eukaryotic initiation factor 2α (P < 0.01). Our findings suggested that reducing the content of dietary RDS enhanced postruminal starch digestion and increased plasma glucose, thereby improving amino acid utilization and promoting protein synthesis in the skeletal muscle of goats via the AMPK-mTOR pathway. These changes may contribute to improvement in growth performance and carcass traits in LRDS goats.
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Affiliation(s)
- Ziqi Liang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Chunjia Jin
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Hanxun Bai
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Gaofeng Liang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xiaodong Su
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Dangdang Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Junhu Yao
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
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14
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Bosnar LM, Shindler AE, Wood J, Patch C, Franks AE. Attempts to limit sporulation in the probiotic strain Bacillus subtilis BG01-4 TM through mutation accumulation and selection. Access Microbiol 2023; 5:acmi000419. [PMID: 37323944 PMCID: PMC10267654 DOI: 10.1099/acmi.0.000419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 03/16/2023] [Indexed: 06/17/2023] Open
Abstract
The use of bacterial spores in probiotics over viable loads of bacteria has many advantages, including the durability of spores, which allows spore-based probiotics to effectively traverse the various biochemical barriers present in the gastrointestinal tract. However, the majority of spore-based probiotics developed currently aim to treat adults, and there is a litany of differences between the adult and infant intestinal systems, including the immaturity and low microbial species diversity observed within the intestines of infants. These differences are only further exacerbated in premature infants with necrotizing enterocolitis (NEC) and indicates that what may be appropriate for an adult or even a healthy full-term infant may not be suited for an unhealthy premature infant. Complications from using spore-based probiotics for premature infants with NEC may involve the spores remaining dormant and adhering to the intestinal epithelia, the out-competing of commensal bacteria by spores, and most importantly the innate antibiotic resistance of spores. Also, the ability of Bacillus subtilis to produce spores under duress may result in less B. subtilis perishing within the intestines and releasing membrane branched-chain fatty acids. The isolate B. subtilis BG01-4TM is a proprietary strain developed by Vernx Biotechnology through accumulating mutations within the BG01-4TM genome in a serial batch culture. Strain BG01-4TM was provided as a non-spore-forming B. subtilis , but a positive sporulation status for BG01-4TM was confirmed through in vitro testing and suggested that selection for the sporulation defective genes could occur within an environment that would select against sporulation. The durability of key sporulation genes was ratified in this study, as the ability of BG01-4TM to produce spores was not eliminated by the attempts to select against sporulation genes in BG01-4TM by the epigenetic factors of high glucose and low pH. However, a variation in the genes in isolate BG01-4-8 involved in the regulation of sporulation is believed to have occurred during the mutation selection from the parent strain BG01-4TM. An alteration in selected sporulation regulation genes is expected to have occurred from BG01-4TM to BG01-4-8, with BG01-4-8 producing spores within 24 h, ~48 h quicker than BG01-4TM.
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Affiliation(s)
- Luke M. Bosnar
- Department of Physiology, Anatomy and Microbiology, School of Life Sciences, La Trobe University, Melbourne, Victoria 3086, Australia
| | - Anya E. Shindler
- Department of Physiology, Anatomy and Microbiology, School of Life Sciences, La Trobe University, Melbourne, Victoria 3086, Australia
| | - Jennifer Wood
- Department of Physiology, Anatomy and Microbiology, School of Life Sciences, La Trobe University, Melbourne, Victoria 3086, Australia
| | - Craig Patch
- School of Allied Health, Human Services, and Sport, La Trobe University, Melbourne, Victoria 3086, Australia
- Vernx Pty Ltd, Level 17, 40 City Road, Southbank, Victoria 3066, Australia
| | - Ashley E. Franks
- Department of Physiology, Anatomy and Microbiology, School of Life Sciences, La Trobe University, Melbourne, Victoria 3086, Australia
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15
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Sanni O, Terre'Blanche G. Dual A 1 and A 2A adenosine receptor antagonists, methoxy substituted 2-benzylidene-1-indanone, suppresses intestinal postprandial glucose and attenuates hyperglycaemia in fructose-streptozotocin diabetic rats. BMC Endocr Disord 2023; 23:97. [PMID: 37143025 PMCID: PMC10157944 DOI: 10.1186/s12902-023-01354-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 04/26/2023] [Indexed: 05/06/2023] Open
Abstract
BACKGROUND/AIM Recent research suggests that adenosine receptors (ARs) influence many of the metabolic abnormalities associated with diabetes. A non-xanthine benzylidene indanone derivative 2-(3,4-dihydroxybenzylidene)-4-methoxy-2,3-dihydro-1 H-inden-1-one (2-BI), has shown to exhibit higher affinity at A1/A2A ARs compared to caffeine. Due to its structural similarity to caffeine, and the established antidiabetic effects of caffeine, the current study was initiated to explore the possible antidiabetic effect of 2-BI. METHODS The study was designed to assess the antidiabetic effects of several A1 and/or A2A AR antagonists, via intestinal glucose absorption and glucose-lowering effects in fructose-streptozotocin (STZ) induced diabetic rats. Six-week-old male Sprague-Dawley rats were induced with diabetes via fructose and streptozotocin. Rats were treated for 4 weeks with AR antagonists, metformin and pioglitazone, respectively. Non-fasting blood glucose (NFBG) was determined weekly and the oral glucose tolerance test (OGTT) was conducted at the end of the intervention period. RESULTS Dual A1/A2A AR antagonists (caffeine and 2-BI) decreased glucose absorption in the intestinal membrane significantly (p < 0.01), while the selective A2A AR antagonist (Istradefylline), showed the highest significant (p < 0.001) reduction in intestinal glucose absorption. The selective A1 antagonist (DPCPX) had the least significant (p < 0.05) reduction in glucose absorption. Similarly, dual A1/A2A AR antagonists and selective A2A AR antagonists significantly reduced non-fast blood glucose and improved glucose tolerance in diabetic rats from the first week of the treatment. Conversely, the selective A1 AR antagonist did not reduce non-fast blood glucose significantly until the 4th week of treatment. 2-BI, caffeine and istradefylline compared well with standard antidiabetic treatments, metformin and pioglitazone, and in some cases performed even better. CONCLUSION 2-BI exhibited good antidiabetic activity by reducing intestinal postprandial glucose absorption and improving glucose tolerance in a diabetic animal model. The dual antagonism of A1/A2A ARs presents a positive synergism that could provide a new possibility for the treatment of diabetes.
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Affiliation(s)
- Olakunle Sanni
- Centre of Excellence for Pharmaceutical Sciences (Pharmacen), School of Health Sciences, North-West University (NWU), Potchefstroom, 2357, South Africa.
| | - Gisella Terre'Blanche
- Centre of Excellence for Pharmaceutical Sciences (Pharmacen), School of Health Sciences, North-West University (NWU), Potchefstroom, 2357, South Africa
- Pharmaceutical Chemistry, School of Pharmacy, North-West University (NWU), Private Bag X6001, Potchefstroom, 2520, South Africa
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16
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Ondee T, Pongpirul K, Udompornpitak K, Sukkummee W, Lertmongkolaksorn T, Senaprom S, Leelahavanichkul A. High Fructose Causes More Prominent Liver Steatohepatitis with Leaky Gut Similar to High Glucose Administration in Mice and Attenuation by Lactiplantibacillus plantarum dfa1. Nutrients 2023; 15:1462. [PMID: 36986190 PMCID: PMC10056651 DOI: 10.3390/nu15061462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/02/2023] [Accepted: 03/07/2023] [Indexed: 03/30/2023] Open
Abstract
High-sugar diet-induced prediabetes and obesity are a global current problem that can be the result of glucose or fructose. However, a head-to-head comparison between both sugars on health impact is still lacking, and Lactiplantibacillus plantarum dfa1 has never been tested, and has recently been isolated from healthy volunteers. The mice were administered with the high glucose or fructose preparation in standard mouse chaw with or without L. plantarum dfa1 gavage, on alternate days, and in vitro experiments were performed using enterocyte cell lines (Caco2) and hepatocytes (HepG2). After 12 weeks of experiments, both glucose and fructose induced a similar severity of obesity (weight gain, lipid profiles, and fat deposition at several sites) and prediabetes condition (fasting glucose, insulin, oral glucose tolerance test, and Homeostatic Model Assessment for Insulin Resistance (HOMA score)). However, fructose administration induced more severe liver damage (serum alanine transaminase, liver weight, histology score, fat components, and oxidative stress) than the glucose group, while glucose caused more prominent intestinal permeability damage (FITC-dextran assay) and serum cytokines (TNF-α, IL-6, and IL-10) compared to the fructose group. Interestingly, all of these parameters were attenuated by L. plantarum dfa1 administration. Because there was a subtle change in the analysis of the fecal microbiome of mice with glucose or fructose administration compared to control mice, the probiotics altered only some microbiome parameters (Chao1 and Lactobacilli abundance). For in vitro experiments, glucose induced more damage to high-dose lipopolysaccharide (LPS) (1 µg/mL) to enterocytes (Caco2 cell) than fructose, as indicated by transepithelial electrical resistance (TEER), supernatant cytokines (TNF-α and IL-8), and glycolysis capacity (by extracellular flux analysis). Meanwhile, both glucose and fructose similarly facilitated LPS injury in hepatocytes (HepG2 cell) as evaluated by supernatant cytokines (TNF-α, IL-6, and IL-10) and extracellular flux analysis. In conclusion, glucose possibly induced a more severe intestinal injury (perhaps due to LPS-glucose synergy) and fructose caused a more prominent liver injury (possibly due to liver fructose metabolism), despite a similar effect on obesity and prediabetes. Prevention of obesity and prediabetes with probiotics was encouraged.
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Affiliation(s)
- Thunnicha Ondee
- Department of Preventive and Social Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Krit Pongpirul
- Department of Preventive and Social Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- School of Global Health, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
- Clinical Research Center, Bumrungrad International Hospital, Bangkok 10110, Thailand
- Department of Infection Biology & Microbiomes, Faculty of Health and Life Sciences, University of Liverpool, Liverpool L69 3GB, UK
| | - Kanyarat Udompornpitak
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Warumphon Sukkummee
- Center of Excellence in Clinical Pharmacokinetics and Pharmacogenomics, Department of Pharmacology, Faculty of Medicine Chulalongkorn University, Bangkok 10330, Thailand
| | - Thanapat Lertmongkolaksorn
- Research Management and Development Division, Office of the President, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Sayamon Senaprom
- Department of Preventive and Social Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Asada Leelahavanichkul
- Center of Excellence in Translational Research in Inflammation and Immunology Research Unit (CETRII), Department of Microbiology, Chulalongkorn University, Bangkok 10330, Thailand
- Nephrology Unit, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
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17
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Begemann K, Heyde I, Witt P, Inderhees J, Leinweber B, Koch CE, Jöhren O, Oelkrug R, Liskiewicz A, Müller TD, Oster H. Rest phase snacking increases energy resorption and weight gain in male mice. Mol Metab 2023; 69:101691. [PMID: 36746332 PMCID: PMC9950950 DOI: 10.1016/j.molmet.2023.101691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 01/30/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVE Snacking, i.e., the intake of small amounts of palatable food items, is a common behavior in modern societies, promoting overeating and obesity. Shifting food intake into the daily rest phase disrupts circadian rhythms and is also known to stimulate weight gain. We therefore hypothesized that chronic snacking in the inactive phase may promote body weight gain and that this effect is based on disruption of circadian clocks. METHODS Male mice were fed a daily chocolate snack either during their rest or their active phase and body weight development and metabolic parameters were investigated. Snacking experiments were repeated in constant darkness and in clock-deficient mutant mice to examine the role of external and internal time cues in mediating the metabolic effects of snacking. RESULTS Chronic snacking in the rest phase increased body weight gain and disrupted metabolic circadian rhythms in energy expenditure, body temperature, and locomotor activity. Additionally, these rest phase snacking mice assimilated more energy during the inactive phase. Body weight remained increased in rest phase snacking wildtype mice in constant darkness as well as in clock-deficient mutant mice under a regular light-dark cycle compared to mice snacking in the active phase. Weight gain effects were abolished in clock-deficient mice in constant darkness. CONCLUSIONS Our data suggest that mistimed snacking increases energy resorption and promotes body weight gain. This effect requires a functional circadian clock at least under constant darkness conditions.
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Affiliation(s)
- Kimberly Begemann
- Institute of Neurobiology, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany; Center of Brain, Behavior, and Metabolism, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany.
| | - Isabel Heyde
- Institute of Neurobiology, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany,Center of Brain, Behavior, and Metabolism, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Pia Witt
- Institute of Neurobiology, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany,Center of Brain, Behavior, and Metabolism, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Julica Inderhees
- Center of Brain, Behavior, and Metabolism, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany,Bioanalytic Core Facility, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Brinja Leinweber
- Institute of Neurobiology, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany,Center of Brain, Behavior, and Metabolism, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Christiane E. Koch
- Institute of Neurobiology, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany,Center of Brain, Behavior, and Metabolism, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Olaf Jöhren
- Center of Brain, Behavior, and Metabolism, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany,Bioanalytic Core Facility, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Rebecca Oelkrug
- Center of Brain, Behavior, and Metabolism, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany,Institute for Endocrinology and Diabetes, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Arkadiusz Liskiewicz
- Institute for Diabetes and Obesity, Helmholtz Diabetes Center, Helmholtz Zentrum München, Neuherberg, Germany,Department of Physiology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice 40-752, Poland
| | - Timo D. Müller
- Institute for Diabetes and Obesity, Helmholtz Diabetes Center, Helmholtz Zentrum München, Neuherberg, Germany,German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Henrik Oster
- Institute of Neurobiology, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany; Center of Brain, Behavior, and Metabolism, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany.
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18
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Rached G, Saliba Y, Maddah D, Hajal J, Smayra V, Bakhos J, Groschner K, Birnbaumer L, Fares N. TRPC3 Regulates Islet Beta-Cell Insulin Secretion. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2204846. [PMID: 36642838 PMCID: PMC9951314 DOI: 10.1002/advs.202204846] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 11/18/2022] [Indexed: 06/17/2023]
Abstract
Insulin release is tightly controlled by glucose-stimulated calcium (GSCa) through hitherto equivocal pathways. This study investigates TRPC3, a non-selective cation channel, as a critical regulator of insulin secretion and glucose control. TRPC3's involvement in glucose-stimulated insulin secretion (GSIS) is studied in human and animal islets. TRPC3-dependent in vivo insulin secretion is investigated using pharmacological tools and Trpc3-/- mice. TRPC3's involvement in islet glucose uptake and GSCa is explored using fluorescent glucose analogue 2-[N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl) amino]-2-deoxy-D-glucose and calcium imaging. TRPC3 modulation by a small-molecule activator, GSK1702934A, is evaluated in type 2 diabetic mice. TRPC3 is functionally expressed in human and mouse islet beta cells. TRPC3-controlled insulin secretion is KATP -independent and primarily mediated by diacylglycerol channel regulation of the cytosolic calcium oscillations following glucose stimulation. Conversely, glucose uptake in islets is independent of TRPC3. TRPC3 pharmacologic inhibition and knockout in mice lead to defective insulin secretion and glucose intolerance. Subsequently, TRPC3 activation through targeted small-molecule enhances insulin secretion and alleviates diabetes hallmarks in animals. This study imputes a function for TRPC3 at the onset of GSIS. These insights strengthen one's knowledge of insulin secretion physiology and set forth the TRPC3 channel as an appealing candidate for drug development in the treatment of diabetes.
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Affiliation(s)
- Gaëlle Rached
- Physiology and Pathophysiology Research LaboratoryPole of Technology and HealthFaculty of MedicineSaint Joseph University of BeirutPOBox. 17‐5208 ‐ Mar MikhaëlBeirut1104 2020Lebanon
| | - Youakim Saliba
- Physiology and Pathophysiology Research LaboratoryPole of Technology and HealthFaculty of MedicineSaint Joseph University of BeirutPOBox. 17‐5208 ‐ Mar MikhaëlBeirut1104 2020Lebanon
| | - Dina Maddah
- Physiology and Pathophysiology Research LaboratoryPole of Technology and HealthFaculty of MedicineSaint Joseph University of BeirutPOBox. 17‐5208 ‐ Mar MikhaëlBeirut1104 2020Lebanon
| | - Joelle Hajal
- Physiology and Pathophysiology Research LaboratoryPole of Technology and HealthFaculty of MedicineSaint Joseph University of BeirutPOBox. 17‐5208 ‐ Mar MikhaëlBeirut1104 2020Lebanon
| | - Viviane Smayra
- Faculty of MedicineSaint Joseph UniversitySaint Joseph University of BeirutPOBox. 17‐5208 ‐ Mar MikhaëlBeirut1104 2020Lebanon
| | - Jules‐Joel Bakhos
- Physiology and Pathophysiology Research LaboratoryPole of Technology and HealthFaculty of MedicineSaint Joseph University of BeirutPOBox. 17‐5208 ‐ Mar MikhaëlBeirut1104 2020Lebanon
| | - Klaus Groschner
- Gottfried‐Schatz‐Research‐Centre‐BiophysicsMedical University of GrazGraz8010Austria
| | - Lutz Birnbaumer
- School of Medical SciencesInstitute of Biomedical Research (BIOMED)Catholic University of ArgentinaBuenos AiresC1107AAZArgentina
- Signal Transduction LaboratoryNational Institute of Environmental Health SciencesResearch Triangle ParkDurhamNCC1107AAZUSA
| | - Nassim Fares
- Physiology and Pathophysiology Research LaboratoryPole of Technology and HealthFaculty of MedicineSaint Joseph University of BeirutPOBox. 17‐5208 ‐ Mar MikhaëlBeirut1104 2020Lebanon
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A self-powered ingestible wireless biosensing system for real-time in situ monitoring of gastrointestinal tract metabolites. Nat Commun 2022; 13:7405. [PMID: 36456568 PMCID: PMC9715945 DOI: 10.1038/s41467-022-35074-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 11/17/2022] [Indexed: 12/03/2022] Open
Abstract
Information related to the diverse and dynamic metabolite composition of the small intestine is crucial for the diagnosis and treatment of various diseases. However, our current understanding of the physiochemical dynamics of metabolic processes within the small intestine is limited due to the lack of in situ access to the intestinal environment. Here, we report a demonstration of a battery-free ingestible biosensing system for monitoring metabolites in the small intestine. As a proof of concept, we monitor the intestinal glucose dynamics on a porcine model. Battery-free operation is achieved through a self-powered glucose biofuel cell/biosensor integrated into a circuit that performs energy harvesting, biosensing, and wireless telemetry via a power-to-frequency conversion scheme using magnetic human body communication. Such long-term biochemical analysis could potentially provide critical information regarding the complex and dynamic small intestine metabolic profiles.
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20
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Zhang Y, Niu J, Zhang S, Si X, Bian TT, Wu H, Li D, Sun Y, Jia J, Xin E, Yan X, Li Y. Comparative study on the gastrointestinal- and immune- regulation functions of Hedysari Radix Paeparata Cum Melle and Astragali Radix Praeparata cum Melle in rats with spleen-qi deficiency, based on fuzzy matter-element analysis. PHARMACEUTICAL BIOLOGY 2022; 60:1237-1254. [PMID: 35763552 PMCID: PMC9246251 DOI: 10.1080/13880209.2022.2086990] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 05/31/2022] [Accepted: 06/02/2022] [Indexed: 05/27/2023]
Abstract
CONTEXT Hedysari Radix Praeparata Cum Melle (HRPCM) and Astragali Radix Praeparata Cum Melle (ARPCM) are used interchangeably in clinics to treat spleen-qi deficiency (SQD) symptom mainly including gastrointestinal dysfunction and decreased immunity, which has unknown differences in efficacy. OBJECTIVE To investigate the differences between HRPCM and ARPCM on intervening gastrointestinal- and immune-function with SQD syndrome. MATERIALS AND METHODS After the SQD model was established, the Sprague-Dawley (SD) rats were randomly divided into nine groups (n = 10): normal; model; Bu-Zhong-Yi-Qi Pills; 18.9, 12.6 and 6.3 g/kg dose groups of HRPCM and ARPCM. Gastrointestinal function including d-xylose, gastrin, amylase vasoactive intestinal peptide, motilin, pepsin, H+/K+-ATPase, Na+/K+-ATPase, sodium-glucose cotransporter 1 (SGLT1), glucose transporter 2 (GLUT2) and immune function including spleen and thymus index, blood routine, interleukin (IL)-2, IL-6, interferon-γ (IFN-γ), tumour necrosis factor-α (TNF-α), immunoglobulin (Ig) M, IgA, IgG and delayed-type hypersensitivity (DTH) were detected. Finally, the efficacy differences were analysed comprehensively by the fuzzy matter-element method. RESULTS In regulating immune, the doses differences in efficacy between HRPCM and ARPCM showed in the high-dose (18.9 g/kg), but there were no differences in the middle- and low- dose (12.6 and 6.37 g/kg); the efficacy differences were primarily reflected in levels of IL-6, IFN-γ, TNF-α and IgM in serum, and the mRNA expression of IL-6 and IFN-γ in the spleen. In regulating gastrointestinal, the efficacy differences were primarily reflected in the levels of D-xylose, MTL, and GAS in serum, and the mRNA and protein expression of SGLT1 and GLUT2 in jejunum and ileum. DISCUSSION AND CONCLUSIONS HRPCM is more effective than ARPCM on regulating gastrointestinal function and immune function with SQD syndrome. Therefore, we propose that HRPCM should be mainly used to treat SQD syndrome in the future.
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Affiliation(s)
- Yugui Zhang
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, PR China
- Key Laboratory of Standard and Quality of Chinese Medicine Research of Gansu, Engineering Research Center of Chinese Medicine Pharmaceutical Process of Gansu, Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Jiangtao Niu
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, PR China
- Key Laboratory of Standard and Quality of Chinese Medicine Research of Gansu, Engineering Research Center of Chinese Medicine Pharmaceutical Process of Gansu, Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Shujuan Zhang
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, PR China
- Key Laboratory of Standard and Quality of Chinese Medicine Research of Gansu, Engineering Research Center of Chinese Medicine Pharmaceutical Process of Gansu, Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Xinlei Si
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, PR China
- Key Laboratory of Standard and Quality of Chinese Medicine Research of Gansu, Engineering Research Center of Chinese Medicine Pharmaceutical Process of Gansu, Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Tian-Tian Bian
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, PR China
- Key Laboratory of Standard and Quality of Chinese Medicine Research of Gansu, Engineering Research Center of Chinese Medicine Pharmaceutical Process of Gansu, Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Hongwei Wu
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, PR China
- Key Laboratory of Standard and Quality of Chinese Medicine Research of Gansu, Engineering Research Center of Chinese Medicine Pharmaceutical Process of Gansu, Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Donghui Li
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, PR China
- Key Laboratory of Standard and Quality of Chinese Medicine Research of Gansu, Engineering Research Center of Chinese Medicine Pharmaceutical Process of Gansu, Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Yujing Sun
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, PR China
- Key Laboratory of Standard and Quality of Chinese Medicine Research of Gansu, Engineering Research Center of Chinese Medicine Pharmaceutical Process of Gansu, Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Jing Jia
- College of Acupuncture-Moxibustion and Tuina, Laboratory of Molecular Biology, Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Erdan Xin
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, PR China
- Key Laboratory of Standard and Quality of Chinese Medicine Research of Gansu, Engineering Research Center of Chinese Medicine Pharmaceutical Process of Gansu, Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Xingke Yan
- College of Acupuncture-Moxibustion and Tuina, Laboratory of Molecular Biology, Gansu University of Chinese Medicine, Lanzhou, PR China
| | - Yuefeng Li
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, PR China
- Key Laboratory of Standard and Quality of Chinese Medicine Research of Gansu, Engineering Research Center of Chinese Medicine Pharmaceutical Process of Gansu, Gansu University of Chinese Medicine, Lanzhou, PR China
- Scientific Research and Experimental Center, Gansu University of Chinese Medicine, Lanzhou, PR China
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21
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Dietary Polyphenols and In Vitro Intestinal Fructose Uptake and Transport: A Systematic Literature Review. Int J Mol Sci 2022; 23:ijms232214355. [PMID: 36430831 PMCID: PMC9697405 DOI: 10.3390/ijms232214355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 11/14/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022] Open
Abstract
Recent evidence links chronic consumption of large amounts of fructose (FRU) with several non-communicable disease. After ingestion, dietary FRU is absorbed into the intestinal tract by glucose transporter (GLUT) 5 and transported to the portal vein via GLUT2. GLUT2 is primarily localized on the basolateral membrane, but GLUT2 may be dislocated post-prandially from the basolateral membrane of intestinal cells to the apical one. Polyphenols (PP) are plant secondary metabolites that exert hypoglycemic properties by modulating intracellular insulin signaling pathways and by inhibiting intestinal enzymes and transporters. Post-prandially, PP may reach high concentrations in the gut lumen, making the inhibition of FRU absorption a prime target for exploring the effects of PP on FRU metabolism. Herein, we have systematically reviewed studies on the effect of PP and PP-rich products on FRU uptake and transport in intestinal cells. In spite of expectations, the very different experimental conditions in the various individual studies do not allow definitive conclusions to be drawn. Future investigations should rely on standardized conditions in order to obtain comparable results that allow a credible rating of polyphenols and polyphenol-rich products as inhibitors of fructose uptake.
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22
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Park SE, Kang S, Paek J, Georgescu A, Chang J, Yi AY, Wilkins BJ, Karakasheva TA, Hamilton KE, Huh DD. Geometric engineering of organoid culture for enhanced organogenesis in a dish. Nat Methods 2022; 19:1449-1460. [PMID: 36280722 PMCID: PMC10027401 DOI: 10.1038/s41592-022-01643-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 09/09/2022] [Indexed: 12/22/2022]
Abstract
Here, we introduce a facile, scalable engineering approach to enable long-term development and maturation of organoids. We have redesigned the configuration of conventional organoid culture to develop a platform that converts single injections of stem cell suspensions to radial arrays of organoids that can be maintained for extended periods without the need for passaging. Using this system, we demonstrate accelerated production of intestinal organoids with significantly enhanced structural and functional maturity, and their continuous development for over 4 weeks. Furthermore, we present a patient-derived organoid model of inflammatory bowel disease (IBD) and its interrogation using single-cell RNA sequencing to demonstrate its ability to reproduce key pathological features of IBD. Finally, we describe the extension of our approach to engineer vascularized, perfusable human enteroids, which can be used to model innate immune responses in IBD. This work provides an immediately deployable platform technology toward engineering more realistic organ-like structures in a dish.
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Affiliation(s)
- Sunghee Estelle Park
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
- NSF Science and Technology Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA, USA
| | - Shawn Kang
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Jungwook Paek
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Andrei Georgescu
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
- Vivodyne, Inc., Philadelphia, PA, USA
| | - Jeehan Chang
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
- NSF Science and Technology Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA, USA
| | - Alex Yoon Yi
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Benjamin J Wilkins
- Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Tatiana A Karakasheva
- Division of Gastroenterology, Hepatology, and Nutrition, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Kathryn E Hamilton
- Division of Gastroenterology, Hepatology, and Nutrition, Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Institute for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Dan Dongeun Huh
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA.
- NSF Science and Technology Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA, USA.
- Institute for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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23
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IK Ca channels control breast cancer metabolism including AMPK-driven autophagy. Cell Death Dis 2022; 13:902. [PMID: 36302750 PMCID: PMC9613901 DOI: 10.1038/s41419-022-05329-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/28/2022] [Accepted: 10/07/2022] [Indexed: 11/30/2022]
Abstract
Ca2+-activated K+ channels of intermediate conductance (IK) are frequently overexpressed in breast cancer (BC) cells, while IK channel depletion reduces BC cell proliferation and tumorigenesis. This raises the question, of whether and mechanistically how IK activity interferes with the metabolic activity and energy consumption rates, which are fundamental for rapidly growing cells. Using BC cells obtained from MMTV-PyMT tumor-bearing mice, we show that both, glycolysis and mitochondrial ATP-production are reduced in cells derived from IK-deficient breast tumors. Loss of IK altered the sub-/cellular K+- and Ca2+- homeostasis and mitochondrial membrane potential, ultimately resulting in reduced ATP-production and metabolic activity. Consequently, we find that BC cells lacking IK upregulate AMP-activated protein kinase activity to induce autophagy compensating the glycolytic and mitochondrial energy shortage. Our results emphasize that IK by modulating cellular Ca2+- and K+-dynamics contributes to the remodeling of metabolic pathways in cancer. Thus, targeting IK channel might disturb the metabolic activity of BC cells and reduce malignancy.
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24
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Tian L, Syed-Abdul MM, Stahel P, Lewis GF. Enteral glucose, absorbed and metabolized, potently enhances mesenteric lymph flow in chow- and high-fat-fed rats. Am J Physiol Gastrointest Liver Physiol 2022; 323:G331-G340. [PMID: 35916412 DOI: 10.1152/ajpgi.00095.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A portion of absorbed dietary triglycerides (TG) is retained in the intestine after the postprandial period, within intracellular and extracellular compartments. This pool of TG can be mobilized in response to several stimuli, including oral glucose. The objective of this study was to determine whether oral glucose must be absorbed and metabolized to mobilize TG in rats and whether high-fat feeding, a model of insulin resistance, alters the lipid mobilization response to glucose. Lymph flow, TG concentration, TG output, and apolipoprotein B48 (apoB48) concentration and output were assessed after an intraduodenal lipid bolus in rats exposed to the following intraduodenal administrations 5 h later: saline (placebo), glucose, 2-deoxyglucose (2-DG, absorbed but not metabolized), or glucose + phlorizin (intestinal glucose absorption inhibitor). Glucose alone, but not 2-DG or glucose + phlorizin treatments, stimulated lymph flow, TG output, and apoB48 output compared with placebo. The effects of glucose in high-fat-fed rats were similar to those in chow-fed rats. In conclusion, glucose must be both absorbed and metabolized to enhance lymph flow and intestinal lipid mobilization. This effect is qualitatively and quantitatively similar in high-fat- and chow-fed rats. The precise signaling mechanism whereby enteral glucose enhances lymph flow and mobilizes enteral lipid remains to be determined.NEW & NOTEWORTHY Glucose potently enhances mesenteric lymph flow in chow- and high-fat-fed rats. The magnitude of glucose effect on lymph flow is no different in chow- and high-fat-fed rats. Glucose must be absorbed and metabolized to enhance lymph flow and mobilize intestinal lipid.
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Affiliation(s)
- Lili Tian
- Division of Endocrinology, Department of Medicine and Banting & Best Diabetes Centre, University of Toronto, Toronto, Ontario, Canada
| | - Majid Mufaqam Syed-Abdul
- Division of Endocrinology, Department of Medicine and Banting & Best Diabetes Centre, University of Toronto, Toronto, Ontario, Canada
| | - Priska Stahel
- Division of Endocrinology, Department of Medicine and Banting & Best Diabetes Centre, University of Toronto, Toronto, Ontario, Canada
| | - Gary F Lewis
- Division of Endocrinology, Department of Medicine and Banting & Best Diabetes Centre, University of Toronto, Toronto, Ontario, Canada
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25
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The Barrier-Enhancing Function of Soluble Yam (Dioscorea opposita Thunb.) Polysaccharides in Rat Intestinal Epithelial Cells, as Affected by the Covalent Se Conjugation. Nutrients 2022; 14:nu14193950. [PMID: 36235602 PMCID: PMC9571917 DOI: 10.3390/nu14193950] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/18/2022] [Accepted: 09/21/2022] [Indexed: 11/16/2022] Open
Abstract
The non-starch yam polysaccharides (YP) are the bioactive substances of edible yam, while Se is an essential nutrient for the human body. Whether a covalent conjugation of Se to YP might cause bioactivity change for the resultant selenylated YP in the intestine is still insufficiently studied, including the critical intestinal barrier function. In this study, two selenylated YP products, namely, YPSe-I and YPSe-II, with corresponding Se contents of 795 and 1480 mg/kg, were obtained by the reaction of YP and Na2SeO3 in the presence of HNO3 and then assessed for their bioactivities to a cell model (i.e., rat intestinal epithelial IEC-6 cells). The results showed that YP, YPSe-I, and YPSe-II at 5–80 μg/mL dosages could promote cell growth with treatment times of 12–24 h. The three samples also could improve barrier integrity via increasing cell monolayer resistance and anti-bacterial activity against E. coli or by reducing paracellular permeability and bacterial translocation. Additionally, the three samples enhanced F-actin distribution and promoted the expression of the three tight junction proteins, namely, zonula occluden-1, occludin, and claudin-1. Meanwhile, the expression levels of ROCK and RhoA, two critical proteins in the ROCK/RhoA singling pathway, were down-regulated by these samples. Collectively, YPSe-I and, especially, YPSe-II were more potent than YP in enhancing the assessed bioactivities. It is thus concluded that this chemical selenylation of YP brought about enhanced activity in the cells to promote barrier integrity, while a higher selenylation extent of the selenylated YP induced much activity enhancement. Collectively, the results highlighted the important role of the non-metal nutrient Se in the modified polysaccharides.
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26
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Vernon-Carter E, Meraz M, Bello-Perez L, Alvarez-Ramirez J. Analysis of starch digestograms using Monte Carlo simulations. Carbohydr Polym 2022; 291:119589. [DOI: 10.1016/j.carbpol.2022.119589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 04/13/2022] [Accepted: 05/05/2022] [Indexed: 11/02/2022]
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Dietary Epidermal Growth Factor Supplementation Alleviates Intestinal Injury in Piglets with Intrauterine Growth Retardation via Reducing Oxidative Stress and Enhancing Intestinal Glucose Transport and Barrier Function. Animals (Basel) 2022; 12:ani12172245. [PMID: 36077965 PMCID: PMC9454730 DOI: 10.3390/ani12172245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/13/2022] [Accepted: 08/29/2022] [Indexed: 11/17/2022] Open
Abstract
EGF plays an important role in the intestinal repair and nutrients transport of animals. However, the effect of EGF on the intestinal health of piglets with IUGR has not been reported. Thus, the present study was performed to investigate the effects of EGF on the intestinal morphology, glucose absorption, antioxidant capacity, and barrier function of piglets with IUGR. A total of 6 NBW piglets and 12 IUGR piglets were randomly divided into three treatments: NC group (NBW piglets fed with basal diet, n = 6), IC group (IUGR piglets fed with basal diet, n = 6), and IE group (IUGR piglets fed with basal diet supplemented with 2 mg/kg EGF, n = 6). Growth performance, serum biochemical profile, jejunum histomorphology, jejunum glucose absorption and antioxidant capacity, and jejunal barrier function were measured. The results showed that EGF supplementation significantly increased the final body weight (FBW), average daily gain (ADG), and average daily feed intake (ADFI) of piglets with IUGR; EGF supplementation significantly increased the total protein (TP), glucose (GLU), and immunoglobulin G (IgG) levels compared with the IUGR piglets in the IC group; EGF administration effectively exhibited an increased jejunum villus height (VH) and the villus-height-to-crypt-depth ratio (V/C) of IUGR piglets compared with the IC group; EGF supplementation significantly increased sodium/potassium-transporting adenosine triphosphatase (Na+/K+-ATPase) activity, intestinal alkaline phosphatase (AKP) activity, glucose transporter sodium/glucose cotransporter 1 (SGLT1), glucose transporter 2 (GLUT2), and AMP-activated protein kinase α1 (AMPK-α1) mRNA expressions in the jejunum of IUGR piglets compared with the IC group; EGF supplementation exhibited increased superoxide dismutase (SOD) activity and total antioxidant capacity (T-AOC) levels, tended to increase glutathione peroxidase (GSH-Px) and catalase (CAT) activities, and tended to decrease the malondialdehyde (MDA) level in the jejunum of IUGR piglets compared with the IC group; EGF supplementation significantly increased ZO-1, Claudin-1, Occludin, and MUC2 mRNA expressions and improved secreted immunoglobulin A (sIgA) secretion in the jejunum of IUGR piglets compared with the IC group and tended to decrease the interleukin 1β (IL-1β), IL-6, and tumor necrosis factor α (TNF-α) levels in the jejunum of IUGR piglets compared with the IC group. Pearson’s correlation analysis further showed that EGF can promote intestinal development and nutrient absorption by promoting intestinal barrier function, thus improving the growth performance of IUGR piglets.
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Chen Y, Rudolph S, Longo BN, Pace F, Roh T, Condruti R, Gee M, Watnick P, Kaplan DL. Bioengineered 3D Tissue Model of Intestine Epithelium with Oxygen Gradients to Sustain Human Gut Microbiome. Adv Healthc Mater 2022; 11:e2200447. [PMID: 35686484 PMCID: PMC9388577 DOI: 10.1002/adhm.202200447] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 05/25/2022] [Indexed: 01/24/2023]
Abstract
The human gut microbiome is crucial to hosting physiology and health. Therefore, stable in vitro coculture of primary human intestinal cells with a microbiome community is essential for understanding intestinal disease progression and revealing novel therapeutic targets. Here, a three-dimensional scaffold system is presented to regenerate an in vitro human intestinal epithelium that recapitulates many functional characteristics of the native small intestines. The epithelium, derived from human intestinal enteroids, contains mature intestinal epithelial cells and possesses selectively permeable barrier functions. Importantly, by properly positioning the scaffolds cultured under normal atmospheric conditions, two physiologically relevant oxygen gradients, a proximal-to-distal oxygen gradient along the gastrointestinal (GI) tract, and a radial oxygen gradient across the epithelium, are distinguished in the tissues when the lumens are faced up and down in cultures, respectively. Furthermore, the presence of the low oxygen gradients supported the coculture of intestinal epithelium along with a complex living commensal gut microbiome (including obligate anaerobes) to simulate temporal microbiome dynamics in the native human gut. This unique silk scaffold platform may enable the exploration of microbiota-related mechanisms of disease pathogenesis and host-pathogen dynamics in infectious diseases including the potential to explore the human microbiome-gut-brain axis and potential novel microbiome-based therapeutics.
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Affiliation(s)
- Ying Chen
- Department of Biomedical Engineering, Tufts University, 4 Colby St, Medford, MA, 02155, USA,To whom correspondence may be addressed. ;
| | - Sara Rudolph
- Department of Biomedical Engineering, Tufts University, 4 Colby St, Medford, MA, 02155, USA
| | - Brooke N. Longo
- Department of Biomedical Engineering, Tufts University, 4 Colby St, Medford, MA, 02155, USA
| | - Fernanda Pace
- Division of Infectious Diseases, Boston Children’s Hospital, 300 Longwood Avenue, Boston, MA 02115, USA,Department of Pediatrics, Harvard Medical School, 25 Shattuck St, Boston, MA 02115, USA
| | - Terrence Roh
- Department of Biomedical Engineering, Tufts University, 4 Colby St, Medford, MA, 02155, USA
| | - Rebecca Condruti
- Department of Biomedical Engineering, Tufts University, 4 Colby St, Medford, MA, 02155, USA
| | - Michelle Gee
- Department of Biomedical Engineering, Tufts University, 4 Colby St, Medford, MA, 02155, USA
| | - Paula Watnick
- Division of Infectious Diseases, Boston Children’s Hospital, 300 Longwood Avenue, Boston, MA 02115, USA,Department of Pediatrics, Harvard Medical School, 25 Shattuck St, Boston, MA 02115, USA
| | - David L. Kaplan
- Department of Biomedical Engineering, Tufts University, 4 Colby St, Medford, MA, 02155, USA,Division of Infectious Diseases, Boston Children’s Hospital, 300 Longwood Avenue, Boston, MA 02115, USA,To whom correspondence may be addressed. ;
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Glucosylated nanoparticles for the oral delivery of antibiotics to the proximal small intestine protect mice from gut dysbiosis. Nat Biomed Eng 2022; 6:867-881. [PMID: 35798834 DOI: 10.1038/s41551-022-00903-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 05/20/2022] [Indexed: 02/05/2023]
Abstract
Orally delivered antibiotics can reach the caecum and colon, and induce gut dysbiosis. Here we show that the encapsulation of antibiotics in orally administered positively charged polymeric nanoparticles with a glucosylated surface enhances absorption by the proximal small intestine through specific interactions of glucose and the abundantly expressed sodium-dependent glucose transporter 1. This improves bioavailability of the antibiotics, and limits their exposure to flora in the large intestine and their accumulation in caecal and faecal contents. Compared with the standard administration of the same antibiotics, the oral administration of nanoparticle-encapsulated ampicillin, chloramphenicol or vancomycin in mice with bacterial infections in the lungs effectively eliminated the infections, decreased adverse effects on the intestinal microbiota by protecting the animals from dysbiosis-associated metabolic syndromes and from opportunistic pathogen infections, and reduced the accumulation of known antibiotic-resistance genes in commensal bacteria. Glucosylated nanocarriers may be suitable for the oral delivery of other drugs causing gut dysbiosis.
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30
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Huazano-García A, Gastelum-Arellanez A, Vázquez-Martínez J, López MG. Effects of agavins in high fat-high sucrose diet-fed mice: an exploratory study. CYTA - JOURNAL OF FOOD 2022. [DOI: 10.1080/19476337.2022.2082536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Alicia Huazano-García
- Hospital General Dr. Manuel Gea González, Mexico City, Mexico
- Consejo Nacional de Ciencia y Tecnología (CONACYT), Mexico City, Mexico
| | - Argel Gastelum-Arellanez
- Consejo Nacional de Ciencia y Tecnología (CONACYT), Mexico City, Mexico
- Centro de Innovación Aplicada en Tecnologías Competitivas A.C. (CIATEC AC), León Guanajuato, Mexico
| | - Juan Vázquez-Martínez
- Superior Institute of Technology of Irapuato (ITESI), TecNM, Irapuato Guanajuato, Mexico
| | - Mercedes G. López
- de Estudios Avanzados del IPN, Unidad IrapuatoCentro de Investigación y, Irapuato Guanajuato, Mexico
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31
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Zapater JL, Wicksteed B, Layden BT. Enterocyte HKDC1 Modulates Intestinal Glucose Absorption in Male Mice Fed a High-fat Diet. Endocrinology 2022; 163:6569855. [PMID: 35435980 PMCID: PMC9078327 DOI: 10.1210/endocr/bqac050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Indexed: 11/24/2022]
Abstract
Hexokinase domain containing protein-1, or HKDC1, is a widely expressed hexokinase that is genetically associated with elevated 2-hour gestational blood glucose levels during an oral glucose tolerance test, suggesting a role for HKDC1 in postprandial glucose regulation during pregnancy. Our earlier studies utilizing mice containing global HKDC1 knockdown, as well as hepatic HKDC1 overexpression and knockout, indicated that HKDC1 is important for whole-body glucose homeostasis in aging and pregnancy, through modulation of glucose tolerance, peripheral tissue glucose utilization, and hepatic energy storage. However, our knowledge of the precise role(s) of HKDC1 in regulating postprandial glucose homeostasis under normal and diabetic conditions is lacking. Since the intestine is the main entry portal for dietary glucose, here we have developed an intestine-specific HKDC1 knockout mouse model, HKDC1Int-/-, to determine the in vivo role of intestinal HKDC1 in regulating glucose homeostasis. While no overt glycemic phenotype was observed, aged HKDC1Int-/- mice fed a high-fat diet exhibited an increased glucose excursion following an oral glucose load compared with mice expressing intestinal HKDC1. This finding resulted from glucose entry via the intestinal epithelium and is not due to differences in insulin levels, enterocyte glucose utilization, or reduction in peripheral skeletal muscle glucose uptake. Assessment of intestinal glucose transporters in high-fat diet-fed HKDC1Int-/- mice suggested increased apical GLUT2 expression in the fasting state. Taken together, our results indicate that intestinal HKDC1 contributes to the modulation of postprandial dietary glucose transport across the intestinal epithelium under conditions of enhanced metabolic stress, such as high-fat diet.
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Affiliation(s)
- Joseph L Zapater
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
- Jesse Brown VA Medical Center, Medical Research Service, Chicago, IL 60612, USA
| | - Barton Wicksteed
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Brian T Layden
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA
- Jesse Brown VA Medical Center, Medical Research Service, Chicago, IL 60612, USA
- Correspondence: Brian T. Layden, MD, PhD, 835 South Wolcott Avenue, Suite 625E (M/C 640), Chicago, IL, 60612, USA.
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Tang X, Xiong K. Epidermal growth factor activates EGFR/AMPK signalling to up-regulate the expression of SGLT1 and GLUT2 to promote intestinal glucose absorption in lipopolysaccharide challenged IPEC-J2 cells and piglets. ITALIAN JOURNAL OF ANIMAL SCIENCE 2022. [DOI: 10.1080/1828051x.2022.2073832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Xiaopeng Tang
- State Engineering Technology Institute for Karst Desertfication Control, School of Karst Science, Guizhou Normal University, Guiyang, China
| | - Kangning Xiong
- State Engineering Technology Institute for Karst Desertfication Control, School of Karst Science, Guizhou Normal University, Guiyang, China
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Moonwiriyakit A, Pathomthongtaweechai N, Steinhagen PR, Chantawichitwong P, Satianrapapong W, Pongkorpsakol P. Tight junctions: from molecules to gastrointestinal diseases. Tissue Barriers 2022; 11:2077620. [PMID: 35621376 PMCID: PMC10161963 DOI: 10.1080/21688370.2022.2077620] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
Intestinal epithelium functions as a tissue barrier to prevent interaction between the internal compartment and the external milieu. Intestinal barrier function also determines epithelial polarity for the absorption of nutrients and the secretion of waste products. These vital functions require strong integrity of tight junction proteins. In fact, intestinal tight junctions that seal the paracellular space can restrict mucosal-to-serosal transport of hostile luminal contents. Tight junctions can form both an absolute barrier and a paracellular ion channel. Although defective tight junctions potentially lead to compromised intestinal barrier and the development and progression of gastrointestinal (GI) diseases, no FDA-approved therapies that recover the epithelial tight junction barrier are currently available in clinical practice. Here, we discuss the impacts and regulatory mechanisms of tight junction disruption in the gut and related diseases. We also provide an overview of potential therapeutic targets to restore the epithelial tight junction barrier in the GI tract.
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Affiliation(s)
- Aekkacha Moonwiriyakit
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand
| | - Nutthapoom Pathomthongtaweechai
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand
| | - Peter R Steinhagen
- Department of Hepatology and Gastroenterology, Charité Medical School, Berlin, Germany
| | | | | | - Pawin Pongkorpsakol
- Princess Srisavangavadhana College of Medicine, Chulabhorn Royal Academy, Bangkok, Thailand
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34
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Jahandideh F, Bourque SL, Wu J. A comprehensive review on the glucoregulatory properties of food-derived bioactive peptides. Food Chem X 2022; 13:100222. [PMID: 35498998 PMCID: PMC9039931 DOI: 10.1016/j.fochx.2022.100222] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 01/03/2022] [Accepted: 01/18/2022] [Indexed: 02/07/2023] Open
Abstract
Diabetes mellitus, a group of metabolic disorders characterized by persistent hyperglycemia, affects millions of people worldwide and is on the rise. Dietary proteins, from a wide range of food sources, are rich in bioactive peptides with antidiabetic properties. Notable examples include AGFAGDDAPR, a black tea-derived peptide, VRIRLLQRFNKRS, a β-conglycinin-derived peptide, and milk-derived peptide VPP, which have shown antidiabetic effects in diabetic rodent models through variety of pathways including improving beta-cells function, suppression of alpha-cells proliferation, inhibiting food intake, increasing portal cholecystokinin concentration, enhancing insulin signaling and glucose uptake, and ameliorating adipose tissue inflammation. Despite the immense research on glucoregulatory properties of bioactive peptides, incorporation of these bioactive peptides in functional foods or nutraceuticals is widely limited due to the existence of several challenges in the field of peptide research and commercialization. Ongoing research in this field, however, is fundamental to pave the road for this purpose.
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Key Words
- AMPK, AMP-activated protein kinase
- Akt, Protein kinase B
- Bioactive peptides
- C/EBP-α, CCAAT/ enhancer binding protein alpha
- CCK, Cholecystokinin
- CCK-1R, CCK type 1 receptor
- DPP-IV, Dipeptidyl peptidase IV
- Diabetes mellitus
- ERK1/2, Extracellular signal regulated kinase 1/2
- GIP, Glucose-dependent insulinotropic polypeptide
- GLP-1, Glucagon-like peptide 1
- GLUT, Glucose transporter
- Glucose homeostasis
- IRS-1, Insulin receptor substrate-1
- Insulin resistance
- MAPK, Mitogen activated protein kinase
- PI3K, Phosphatidylinositol 3-kinase
- PPARγ, Peroxisome proliferator associated receptor gamma
- Reproductive dysfunction
- TZD, Thiazolidinedione
- cGMP, cyclic guanosine-monophosphate
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Affiliation(s)
- Forough Jahandideh
- Department of Anesthesiology & Pain Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB T6G 2G3, Canada.,Cardiovascular Research Centre, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB T6G 2S2, Canada
| | - Stephane L Bourque
- Department of Anesthesiology & Pain Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB T6G 2G3, Canada.,Cardiovascular Research Centre, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB T6G 2S2, Canada
| | - Jianping Wu
- Cardiovascular Research Centre, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB T6G 2S2, Canada.,Department of Agricultural, Food and Nutritional Science, Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, AB T6G 2P5, Canada
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Intrauterine Growth Retardation Affects Intestinal Health of Suckling Piglets via Altering Intestinal Antioxidant Capacity, Glucose Uptake, Tight Junction, and Immune Responses. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2644205. [PMID: 35345830 PMCID: PMC8957421 DOI: 10.1155/2022/2644205] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 01/23/2022] [Accepted: 03/02/2022] [Indexed: 02/06/2023]
Abstract
The aim of the present study was to investigate the effects of intrauterine growth retardation (IUGR) on the intestinal morphology, intestinal epithelial cell apoptosis, intestinal antioxidant capacity, intestinal glucose absorption capacity, and intestinal barrier function of piglets during the suckling period. A total of eight normal-birth-weight (NBW) piglets and eight IUGR newborn piglets (Duroc × Landrace × Yorkshire) were selected from eight litters, one NBW and one IUGR newborn piglet per litter. In each litter, piglets with birth weight of 1.54 ± 0.04 kg (within one SD of the mean birth weight) were selected as NBW piglets and piglets with birth weight of 0.82 ± 0.03 kg (two SD below the mean birth weight) were selected as IUGR piglets. At 21 days of age, all piglets were killed by exsanguinations for sampling. The results showed the body weight (BW) of IUGR piglets on day 0, day 7, day 14, and day 21, and the body weight gain (BWG) of IUGR piglets was significantly lower than that of NBW piglets. IUGR piglets exhibited impaired intestinal morphology, raised enterocyte apoptosis, and increased oxidative damage. It showed that IUGR leads to a lower antioxidant capacity and glucose absorption in the jejunum. In accordance, IUGR caused the intestinal barrier dysfunction by impairing tight junctions and increasing intestinal inflammatory injury. Collectively, these results add to our understanding that IUGR affects intestinal health of suckling piglets via altering intestinal antioxidant capacity, glucose uptake, tight junction, and immune responses, and the slow growth of piglets with IUGR may be associated with intestinal injury.
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Dugardin C, Fleury L, Touche V, Ahdach F, Lesage J, Tenenbaum M, Everaert N, Briand O, Lestavel S, Ravallec R, Cudennec B. An Exploratory Study of the Role of Dietary Proteins in the Regulation of Intestinal Glucose Absorption. Front Nutr 2022; 8:769773. [PMID: 35127780 PMCID: PMC8808719 DOI: 10.3389/fnut.2021.769773] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 12/06/2021] [Indexed: 12/23/2022] Open
Abstract
Several studies have demonstrated that high protein diets improve glucose homeostasis. Nevertheless, the mechanisms underlying this effect remain elusive. This exploratory study aims to screen and compare the acute effects of dietary proteins from different sources on intestinal glucose absorption. Six dietary proteins from various sources were thus selected and digested thanks to the INFOGEST static gastrointestinal digestion protocol. The digested proteins were able to decrease intestinal glucose absorption in vitro and ex vivo. Moreover, acute ingestion of casein and fish gelatin led to improved glucose tolerance in Wistar rats without significant effect on insulin secretion. In parallel, GLUT2 mRNA expression in enterocytes was decreased following short-term incubation with some of the digested proteins. These results strengthen the evidence that digested protein-derived peptides and amino acids are key regulators of glucose homeostasis and highlight their role in intestinal glucose absorption.
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Affiliation(s)
- Camille Dugardin
- Univ. Lille, Univ. Artois, Université de Liège, UMRT 1158 BioEcoAgro – Bénéfice santé d'hydrolysats de protéines et coproduits agro-alimentaires, Lille, France
- *Correspondence: Camille Dugardin
| | - Léa Fleury
- Univ. Lille, Univ. Artois, Université de Liège, UMRT 1158 BioEcoAgro – Bénéfice santé d'hydrolysats de protéines et coproduits agro-alimentaires, Lille, France
| | - Véronique Touche
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011- EGID, Lille, France
| | - Farah Ahdach
- Univ. Lille, Univ. Artois, Université de Liège, UMRT 1158 BioEcoAgro – Bénéfice santé d'hydrolysats de protéines et coproduits agro-alimentaires, Lille, France
| | - Jean Lesage
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE, Lille, France
| | - Mathie Tenenbaum
- Univ. Lille, Univ. Artois, Université de Liège, UMRT 1158 BioEcoAgro – Bénéfice santé d'hydrolysats de protéines et coproduits agro-alimentaires, Lille, France
| | - Nadia Everaert
- Univ. Lille, Univ. Artois, Université de Liège, UMRT 1158 BioEcoAgro – Bénéfice santé d'hydrolysats de protéines et coproduits agro-alimentaires, Lille, France
- Animal and Human Health Engineering, Department of Biosystems, Katholieke Universiteit Leuven, Heverlee, Belgium
| | - Olivier Briand
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011- EGID, Lille, France
| | - Sophie Lestavel
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011- EGID, Lille, France
| | - Rozenn Ravallec
- Univ. Lille, Univ. Artois, Université de Liège, UMRT 1158 BioEcoAgro – Bénéfice santé d'hydrolysats de protéines et coproduits agro-alimentaires, Lille, France
| | - Benoit Cudennec
- Univ. Lille, Univ. Artois, Université de Liège, UMRT 1158 BioEcoAgro – Bénéfice santé d'hydrolysats de protéines et coproduits agro-alimentaires, Lille, France
- Benoit Cudennec
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37
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Zhang M, Yang H, Yang E, Li J, Dong L. Berberine Decreases Intestinal GLUT2 Translocation and Reduces Intestinal Glucose Absorption in Mice. Int J Mol Sci 2021; 23:327. [PMID: 35008753 PMCID: PMC8745600 DOI: 10.3390/ijms23010327] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/09/2021] [Accepted: 12/24/2021] [Indexed: 12/12/2022] Open
Abstract
Postprandial hyperglycemia is an important causative factor of type 2 diabetes mellitus, and permanent localization of intestinal GLUT2 in the brush border membrane is an important reason of postprandial hyperglycemia. Berberine, a small molecule derived from Coptidis rhizome, has been found to be potent at lowering blood glucose, but how berberine lowers postprandial blood glucose is still elusive. Here, we investigated the effect of berberine on intestinal glucose transporter 2 (GLUT2) translocation and intestinal glucose absorption in type 2 diabetes mouse model. Type 2 diabetes was induced by feeding of a high-fat diet and injection of streptozotocin and diabetic mice were treated with berberine for 6 weeks. The effects of berberine on intestinal glucose transport and GLUT2 translocation were accessed in isolated intestines and intestinal epithelial cells (IEC-6), respectively. We found that berberine treatment improved glucose tolerance and systemic insulin sensitivity in diabetic mice. Furthermore, berberine decreased intestinal glucose transport and inhibited GLUT2 translocation from cytoplasm to brush border membrane in intestinal epithelial cells. Mechanistically, berberine inhibited intestinal insulin-like growth factor 1 (IGF-1R) phosphorylation and thus reduced localization of PLC-β2 in the membrane, leading to decreased GLUT2 translocation. These results suggest that berberine reduces intestinal glucose absorption through inhibiting IGF-1R-PLC-β2-GLUT2 signal pathway.
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Affiliation(s)
| | | | | | | | - Ling Dong
- Key Laboratory of Aerospace Medicine of the Ministry of Education, School of Aerospace Medicine, Air Force Military Medical University, Xi’an 710032, China; (M.Z.); (H.Y.); (E.Y.); (J.L.)
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38
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Sidorov AV, Shadenko VN. Electrical Activity of Identified Neurons in the Central Nervous System of a Mollusk Lymnaea stagnalis under Acute Hyperglycemia. J EVOL BIOCHEM PHYS+ 2021. [DOI: 10.1134/s0022093021060065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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39
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Wurster JI, Peterson RL, Brown CE, Penumutchu S, Guzior DV, Neugebauer K, Sano WH, Sebastian MM, Quinn RA, Belenky P. Streptozotocin-induced hyperglycemia alters the cecal metabolome and exacerbates antibiotic-induced dysbiosis. Cell Rep 2021; 37:110113. [PMID: 34910917 PMCID: PMC8722030 DOI: 10.1016/j.celrep.2021.110113] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 10/08/2021] [Accepted: 11/18/2021] [Indexed: 01/02/2023] Open
Abstract
It is well established in the microbiome field that antibiotic (ATB) use and metabolic disease both impact the structure and function of the gut microbiome. But how host and microbial metabolism interacts with ATB susceptibility to affect the resulting dysbiosis remains poorly understood. In a streptozotocin-induced model of hyperglycemia (HG), we use a combined metagenomic, metatranscriptomic, and metabolomic approach to profile changes in microbiome taxonomic composition, transcriptional activity, and metabolite abundance both pre- and post-ATB challenge. We find that HG impacts both microbiome structure and metabolism, ultimately increasing susceptibility to amoxicillin. HG exacerbates drug-induced dysbiosis and increases both phosphotransferase system activity and energy catabolism compared to controls. Finally, HG and ATB co-treatment increases pathogen susceptibility and reduces survival in a Salmonella enterica infection model. Our data demonstrate that induced HG is sufficient to modify the cecal metabolite pool, worsen the severity of ATB dysbiosis, and decrease colonization resistance.
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Affiliation(s)
- Jenna I Wurster
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02906, USA
| | - Rachel L Peterson
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02906, USA
| | - Claire E Brown
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02906, USA
| | - Swathi Penumutchu
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02906, USA
| | - Douglas V Guzior
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA; Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
| | - Kerri Neugebauer
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
| | - William H Sano
- Department of Biology, University of Washington, Seattle, WA 98195, USA
| | - Manu M Sebastian
- Department of Epigenetics and Molecular Carcinogenesis, Division of Basic Science Research, The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA
| | - Robert A Quinn
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
| | - Peter Belenky
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02906, USA.
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40
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Suresh H, Zhou J, Ho V. The Short-Term Effects and Tolerability of Low-Viscosity Soluble Fibre on Gastroparesis Patients: A Pilot Clinical Intervention Study. Nutrients 2021; 13:4298. [PMID: 34959850 PMCID: PMC8704257 DOI: 10.3390/nu13124298] [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: 10/24/2021] [Revised: 11/22/2021] [Accepted: 11/26/2021] [Indexed: 12/13/2022] Open
Abstract
Gastroparesis is a motility disorder that causes severe gastric symptoms and delayed gastric emptying, where the majority of sufferers are females (80%), with 29% of sufferers also diagnosed with Type-1 or Type-2 diabetes. Current clinical recommendations involve stringent dietary restriction and includes the avoidance and minimization of dietary fibre. Dietary fibre lowers the glycaemic index of food, reduces inflammation and provides laxation. Lack of dietary fibre in the diet can affect long-term gastrointestinal health. Our previously published rheological study demonstrated that "low-viscosity" soluble fibres could be a potentially tolerable source of fibre for the gastroparetic population. A randomised controlled crossover pilot clinical study was designed to compare Partially-hydrolysed guar gum or PHGG (test fibre 1), gum Arabic (test fibre 2), psyllium husk (positive control) and water (negative control) in mild-to-moderate symptomatic gastroparesis patients (requiring no enteral tube feeding). The principal aim of the study was to determine the short-term physiological effects and tolerability of the test fibres. In n = 10 female participants, post-prandial blood glucose, gastroparesis symptoms, and breath test measurements were recorded. Normalized clinical data revealed that test fibres PHGG and gum Arabic were able to regulate blood glucose comparable to psyllium husk, while causing far fewer symptoms, equivalent to negative control. The test fibres did not greatly delay mouth-to-caecum transit, though more data is needed. The study data looks promising, and a longer-term study investigating these test fibres is being planned.
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Affiliation(s)
- Harsha Suresh
- School of Medicine, Western Sydney University, Campbelltown, NSW 2560, Australia; (H.S.); (V.H.)
- Gastrointestinal Motility Disorders Unit, Western Sydney University, Campbelltown, NSW 2560, Australia
| | - Jerry Zhou
- School of Medicine, Western Sydney University, Campbelltown, NSW 2560, Australia; (H.S.); (V.H.)
- Gastrointestinal Motility Disorders Unit, Western Sydney University, Campbelltown, NSW 2560, Australia
| | - Vincent Ho
- School of Medicine, Western Sydney University, Campbelltown, NSW 2560, Australia; (H.S.); (V.H.)
- Gastrointestinal Motility Disorders Unit, Western Sydney University, Campbelltown, NSW 2560, Australia
- University Medical Clinic of Camden & Campbelltown (UMCCC), Campbelltown, NSW 2560, Australia
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Drosophila Solute Carrier 5A5 Regulates Systemic Glucose Homeostasis by Mediating Glucose Absorption in the Midgut. Int J Mol Sci 2021; 22:ijms222212424. [PMID: 34830305 PMCID: PMC8617630 DOI: 10.3390/ijms222212424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/12/2021] [Accepted: 11/15/2021] [Indexed: 11/25/2022] Open
Abstract
The small intestine is the initial site of glucose absorption and thus represents the first of a continuum of events that modulate normal systemic glucose homeostasis. A better understanding of the regulation of intestinal glucose transporters is therefore pertinent to our efforts in curbing metabolic disorders. Using molecular genetic approaches, we investigated the role of Drosophila Solute Carrier 5A5 (dSLC5A5) in regulating glucose homeostasis by mediating glucose uptake in the fly midgut. By genetically knocking down dSLC5A5 in flies, we found that systemic and circulating glucose and trehalose levels are significantly decreased, which correlates with an attenuation in glucose uptake in the enterocytes. Reciprocally, overexpression of dSLC5A5 significantly increases systemic and circulating glucose and trehalose levels and promotes glucose uptake in the enterocytes. We showed that dSLC5A5 undergoes apical endocytosis in a dynamin-dependent manner, which is essential for glucose uptake in the enterocytes. Furthermore, we showed that the dSLC5A5 level in the midgut is upregulated by glucose and that dSLC5A5 critically directs systemic glucose homeostasis on a high-sugar diet. Together, our studies have uncovered the first Drosophila glucose transporter in the midgut and revealed new mechanisms that regulate glucose transporter levels and activity in the enterocyte apical membrane.
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42
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Tan FPY, Beltranena E, Zijlstra RT. Resistant starch: Implications of dietary inclusion on gut health and growth in pigs: a review. J Anim Sci Biotechnol 2021; 12:124. [PMID: 34784962 PMCID: PMC8597317 DOI: 10.1186/s40104-021-00644-5] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Accepted: 10/07/2021] [Indexed: 01/10/2023] Open
Abstract
Starch from cereal grains, pulse grains, and tubers is a major energy substrate in swine rations constituting up to 55% of the diet. In pigs, starch digestion is initiated by salivary and then pancreatic α-amylase, and has as final step the digestion of disaccharides by the brush-border enzymes in the small intestine that produce monosaccharides (glucose) for absorption. Resistant starch (RS) is the proportion of starch that escapes the enzymatic digestion and absorption in the small intestine. The undigested starch reaches the distal small intestine and hindgut for microbial fermentation, which produces short-chain fatty acids (SCFA) for absorption. SCFA in turn, influence microbial ecology and gut health of pigs. These fermentative metabolites exert their benefits on gut health through promoting growth and proliferation of enterocytes, maintenance of intestinal integrity and thus immunity, and modulation of the microbial community in part by suppressing the growth of pathogenic bacteria while selectively enhancing beneficial microbes. Thus, RS has the potential to confer prebiotic effects and may contribute to the improvement of intestinal health in pigs during the post-weaning period. Despite these benefits to the well-being of pigs, RS has a contradictory effect due to lower energetic efficiency of fermented vs. digested starch absorption products. The varying amount and type of RS interact differently with the digestion process along the gastrointestinal tract affecting its energy efficiency and host physiological responses including feed intake, energy metabolism, and feed efficiency. Results of research indicate that the use of RS as prebiotic may improve gut health and thereby, reduce the incidence of post-weaning diarrhea (PWD) and associated mortality. This review summarizes our current knowledge on the effects of RS on microbial ecology, gut health and growth performance in pigs.
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Affiliation(s)
- Felina P Y Tan
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, T6G 2P5, Canada
| | - Eduardo Beltranena
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, T6G 2P5, Canada
| | - Ruurd T Zijlstra
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, T6G 2P5, Canada.
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43
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Korompokis K, Verbeke K, Delcour JA. Structural factors governing starch digestion and glycemic responses and how they can be modified by enzymatic approaches: A review and a guide. Compr Rev Food Sci Food Saf 2021; 20:5965-5991. [PMID: 34601805 DOI: 10.1111/1541-4337.12847] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/19/2021] [Accepted: 08/25/2021] [Indexed: 12/15/2022]
Abstract
Starch is the most abundant glycemic carbohydrate in the human diet. Consumption of starch-rich food products that elicit high glycemic responses has been linked to the occurrence of noncommunicable diseases such as cardiovascular disease and diabetes mellitus type II. Understanding the structural features that govern starch digestibility is a prerequisite for developing strategies to mitigate any negative health implications it may have. Here, we review the aspects of the fine molecular structure that in native, gelatinized, and gelled/retrograded starch directly impact its digestibility and thus human health. We next provide an informed guidance for lowering its digestibility by using specific enzymes tailoring its molecular and three-dimensional supramolecular structure. We finally discuss in vivo studies of the glycemic responses to enzymatically modified starches and relevant food applications. Overall, structure-digestibility relationships provide opportunities for targeted modification of starch during food production and improving the nutritional profile of starchy foods.
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Affiliation(s)
- Konstantinos Korompokis
- Laboratory of Food Chemistry and Biochemistry, KU Leuven, Leuven, Belgium.,Leuven Food Science and Nutrition Research Centre (LFoRCe), KU Leuven, Leuven, Belgium
| | - Kristin Verbeke
- Translational Research Center in Gastrointestinal Disorders (TARGID), KU Leuven, Leuven, Belgium.,Leuven Food Science and Nutrition Research Centre (LFoRCe), KU Leuven, Leuven, Belgium
| | - Jan A Delcour
- Laboratory of Food Chemistry and Biochemistry, KU Leuven, Leuven, Belgium.,Leuven Food Science and Nutrition Research Centre (LFoRCe), KU Leuven, Leuven, Belgium
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44
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Guo Z, DeLoid GM, Cao X, Bitounis D, Sampathkumar K, Woei Ng K, Joachim Loo SC, Philip D. Effects of ingested nanocellulose and nanochitosan materials on carbohydrate digestion and absorption in an in vitro small intestinal epithelium model. ENVIRONMENTAL SCIENCE. NANO 2021; 8:2554-2568. [PMID: 34840801 PMCID: PMC8622715 DOI: 10.1039/d1en00233c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Nanoscale materials derived from natural biopolymers like cellulose and chitosan have many potentially useful agri-food and oral drug delivery applications. Because of their large and potentially bioactive surface areas and other unique physico-chemical properties, it is essential when evaluating their toxicological impact to assess potential effects on the digestion and absorption of co-ingested nutrients. Here, the effects of cellulose nanofibers (CNF), cellulose nanocrystals (CNC), and chitosan nanoparticles (Chnp) on the digestion and absorption of carbohydrates were studied. Starch digestion was assessed by measuring maltose released during simulated digestion of starch solutions. Glucose absorption was assessed by measuring translocation from the resulting digestas across an in vitro transwell tri-culture model of the small intestinal epithelium and calculating the area under the curve increase in absorbed glucose, analogous to the glycemic index. At 1% w/w, CNF and Chnp had small but significant effects (11% decrease and 14% increase, respectively) and CNC had no effect on starch hydrolysis during simulated digestion of a 1% w/w rice starch solution. In addition, at 2% w/w CNC had no effect on amylolysis in 1% solutions of either rice, corn, or wheat starch. Similarly, absorption of glucose from digestas of starch solutions (i.e., from maltose), was unaffected by 1% w/w CNF or CNC, but was slightly increased (10%, p<0.05) by 1% Chnp, possibly due to the slightly higher maltose concentration in the Chnp-containing digestas. In contrast, all of the test materials caused sharp increases (~1.2, 1.5, and 1.6 fold for CNC, CNF, and Chnp, respectively) in absorption of glucose from starch-free digestas spiked with free glucose at a concentration corresponding to complete hydrolysis of 1% w/w starch. The potential for ingested cellulose and chitosan nanomaterials to increase glucose absorption could have important health implications. Further studies are needed to elucidate the mechanisms underlying the observed increases and to evaluate the potential glycemic effects in an intact in vivo system.
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Affiliation(s)
- Zhongyuan Guo
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA 02115, USA
| | - Glen M DeLoid
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA 02115, USA
| | - Xiaoqiong Cao
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA 02115, USA
| | - Dimitrios Bitounis
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA 02115, USA
| | - Kaarunya Sampathkumar
- School of Materials Science and Engineering, Nanyang Technological University 50 Nanyang Avenue 639798, Singapore, Singapore
| | - Kee Woei Ng
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA 02115, USA
- School of Materials Science and Engineering, Nanyang Technological University 50 Nanyang Avenue 639798, Singapore, Singapore
- Skin Research Institute of Singapore, 8A Biomedical Grove, #06-06 Immunos, 138648, Singapore
- Environmental Chemistry and Materials Centre, Nanyang Environment & Water Research Institute, 1 Cleantech Loop, CleanTech One, Singapore 637141
| | - Say Chye Joachim Loo
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA 02115, USA
- School of Materials Science and Engineering, Nanyang Technological University 50 Nanyang Avenue 639798, Singapore, Singapore
| | - Demokritou Philip
- Center for Nanotechnology and Nanotoxicology, Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA 02115, USA
- School of Materials Science and Engineering, Nanyang Technological University 50 Nanyang Avenue 639798, Singapore, Singapore
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45
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Jia M, Zhang H, Xu J, Su Y, Zhu W. Feeding frequency affects the growth performance, nutrient digestion and absorption of growing pigs with the same daily feed intake. Livest Sci 2021. [DOI: 10.1016/j.livsci.2021.104558] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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46
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Husain N, Hasan S, Khan AA, Mahmood R. Copper chloride inhibits brush border membrane enzymes, alters antioxidant and metabolic status and damages DNA in rat intestine: a dose-dependent study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:43711-43724. [PMID: 33837945 DOI: 10.1007/s11356-021-13804-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 03/31/2021] [Indexed: 06/12/2023]
Abstract
Copper (Cu) is an extensively used heavy metal and an indispensible micronutrient for living beings. However, Cu is also toxic and exerts multiple adverse health effects when humans are exposed to high levels of this metal. We have examined the effect of single acute oral dose of copper chloride (CuCl2) on parameters of oxidative stress, cellular metabolism, membrane and DNA damage in rat intestine. Adult male Wistar rats were divided into four groups and separately administered a single oral dose of 5, 15, 30 and 40 mg CuCl2/kg body weight. Rats not administered CuCl2 served as the control. Oral administration of CuCl2 led to significant alterations in the activities of metabolic and membrane-bound enzymes; brush border enzymes were inhibited by 45-75% relative to the control set. Inhibition of antioxidant enzymes diminished the metal-reducing and free radical quenching ability of the cells. Oxidative damage caused cellular oxidation of thiols, proteins and lipids. Diphenylamine and comet assays showed that CuCl2 treatment enhanced DNA damage while DNA-protein crosslinking was also increased in the intestinal cells. Examination of stained sections showed that CuCl2 treatment led to marked histological changes in the intestine. All the changes seen were in a CuCl2 dose-dependent manner with more prominent alterations at higher doses of CuCl2. These results clearly show that oral administration of CuCl2 results in oxidative damage to the intestine which can impair its digestive and absorptive functions.
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Affiliation(s)
- Nazim Husain
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, UP, 202002, India
| | - Samra Hasan
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, UP, 202002, India
| | - Aijaz Ahmed Khan
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, UP, 202002, India
| | - Riaz Mahmood
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, UP, 202002, India.
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47
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Zullo KM, Douglas B, Maloney NM, Ji Y, Wei Y, Herbine K, Cohen R, Pastore C, Cramer Z, Wang X, Wei W, Somsouk M, Hung LY, Lengner C, Kohanski MH, Cohen NA, Herbert DR. LINGO3 regulates mucosal tissue regeneration and promotes TFF2 dependent recovery from colitis. Scand J Gastroenterol 2021; 56:791-805. [PMID: 33941035 PMCID: PMC8647134 DOI: 10.1080/00365521.2021.1917650] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Aim: Recovery of damaged mucosal surfaces following inflammatory insult requires diverse regenerative mechanisms that remain poorly defined. Previously, we demonstrated that the reparative actions of Trefoil Factor 3 (TFF3) depend upon the enigmatic receptor, leucine rich repeat and immunoglobulin-like domain containing nogo receptor 2 (LINGO2). This study examined the related orphan receptor LINGO3 in the context of intestinal tissue damage to determine whether LINGO family members are generally important for mucosal wound healing and maintenance of the intestinal stem cell (ISC) compartment needed for turnover of mucosal epithelium.Methods and Results: We find that LINGO3 is broadly expressed on human enterocytes and sparsely on discrete cells within the crypt niche, that contains ISCs. Loss of function studies indicate that LINGO3 is involved in recovery of normal intestinal architecture following dextran sodium sulfate (DSS)-induced colitis, and that LINGO3 is needed for therapeutic action of the long acting TFF2 fusion protein (TFF2-Fc), including a number of signaling pathways critical for cell proliferation and wound repair. LINGO3-TFF2 protein-protein interactions were relatively weak however and LINGO3 was only partially responsible for TFF2 induced MAPK signaling suggesting additional un-identified components of a receptor complex. However, deficiency in either TFF2 or LINGO3 abrogated budding/growth of intestinal organoids and reduced expression of the intestinal ISC gene leucine-rich repeat-containing G-protein coupled receptor 5 (LGR5), indicating homologous roles for these proteins in tissue regeneration, possibly via regulation of ISCs in the crypt niche.Conclusion: We propose that LINGO3 serves a previously unappreciated role in promoting mucosal wound healing.
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Affiliation(s)
- Kelly M. Zullo
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104
| | - Bonnie Douglas
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104
| | - Nicole M. Maloney
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104
| | - Yingbiao Ji
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104
| | - Yun Wei
- Department of Medicine, Division of Experimental Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Karl Herbine
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104
| | - Rachel Cohen
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104
| | - Christopher Pastore
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104
| | - Zvi Cramer
- Department of Biomedical Sciences, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104
| | - Xin Wang
- Department of Biomedical Sciences, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104
| | - Wenjie Wei
- Department of Ophthalmology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19147
| | - Ma Somsouk
- Department of Pathology, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Li Yin Hung
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104,Department of Medicine, Division of Experimental Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Christopher Lengner
- Department of Biomedical Sciences, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104
| | - Michael H. Kohanski
- Department of Otorhinolaryngology—Head and Neck Surgery, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, PA 19104,The Corporal Michael J. Crescenz VA Medical Center Surgical Service, Philadelphia, PA 19104
| | - Noam A. Cohen
- Department of Otorhinolaryngology—Head and Neck Surgery, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, PA 19104,The Corporal Michael J. Crescenz VA Medical Center Surgical Service, Philadelphia, PA 19104,Monell Chemical Senses Center, Philadelphia, PA 19104
| | - De’Broski R. Herbert
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104,Department of Medicine, Division of Experimental Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
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Abstract
Lactase is one of the most important functional enzymes in the intestine, and it is closely related to diarrhea. Traditional Chinese medicine (TCM) has unique advantages in the treatment of diarrhea, but its curative effect mechanism on diarrhea is still unclear. In this paper, we discuss the relationship between diarrhea caused by different factors and intestinal lactase activity, and the relationship between diarrhea treatment by TCM and intestinal lactase activity. The activity of lactase in the intestinal tract can be increased by TCM, because TCM is helpful to repair the intestinal mucosa and regulate intestinal microbiota. TCM may improve the activity of intestinal lactase by regulating bacterial gene expression of lactase, and its specific mechanism is worthy of further study.
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Affiliation(s)
- Yi Wu
- Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
| | - Zhou-Jin Tan
- Hunan University of Chinese Medicine, Changsha 410208, Hunan Province, China
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Evangelista-Silva PH, Prates RP, Leite JSM, Moreno LG, Goulart-Silva F, Esteves EA. Intestinal GLUT5 and FAT/CD36 transporters and blood glucose are reduced by a carotenoid/MUFA-rich oil in high-fat fed mice. Life Sci 2021; 279:119672. [PMID: 34097971 DOI: 10.1016/j.lfs.2021.119672] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 05/20/2021] [Accepted: 05/22/2021] [Indexed: 10/21/2022]
Abstract
AIMS Intestinal nutrient absorption plays a vital role in developing obesity, and nutrient transporters expressed in the enterocytes facilitate this process. Moreover, previous studies have shown that specific foods and diets can affect their cell levels. Herein, we investigated the effects of pequi oil (PO), which is high in several bioactive compounds, on intestinal nutrient transporter levels as well as on intestinal morphology and metabolic biomarkers. MAIN METHODS Groups of male C57BL/6 mice were fed either a standard (C) or a high-fat diet (HFD) and pequi oil (CP and HFDP with PO by gavage at 150 mg/day) for eight weeks. Food intake and body weight were monitored, serum metabolic biomarkers, intestinal transporter levels and histological analyses were performed. KEY FINDINGS PO increased caloric intake without increasing body or fat mass regardless of diet. The HFD group treated with PO reduced fasting blood glucose and villus width. PO did not affect GLUT2, L-FABP, FATP4, NPC1L1, NHE3 or PEPT1 content in CP or HFDP groups. GLUT5 and FAT/CD36 levels were reduced in both CP and HFDP. SIGNIFICANCE Our data suggest that PO attenuated monosaccharide and fatty acid absorption, contributing to lower fasting glycemia and higher food intake without affecting body weight or visceral fat of high-fat feed mice.
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Affiliation(s)
- Paulo Henrique Evangelista-Silva
- Faculty of Biological and Health Sciences, Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. n. 5000, Alto da Jacuba, Diamantina, MG 39100-000, Brazil; Institute of Biomedical Sciences, Department of Physiology and Biophysics, Universidade de São Paulo - USP, Av. Prof. Dr. Lineu Prestes. 1524, Butantã, São Paulo, SP 05508-000, Brazil
| | - Rodrigo Pereira Prates
- Faculty of Biological and Health Sciences, Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. n. 5000, Alto da Jacuba, Diamantina, MG 39100-000, Brazil
| | - Jaqueline Santos Moreira Leite
- Institute of Biomedical Sciences, Department of Physiology and Biophysics, Universidade de São Paulo - USP, Av. Prof. Dr. Lineu Prestes. 1524, Butantã, São Paulo, SP 05508-000, Brazil
| | - Lauane Gomes Moreno
- Faculty of Biological and Health Sciences, Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. n. 5000, Alto da Jacuba, Diamantina, MG 39100-000, Brazil
| | - Francemilson Goulart-Silva
- Institute of Biomedical Sciences, Department of Physiology and Biophysics, Universidade de São Paulo - USP, Av. Prof. Dr. Lineu Prestes. 1524, Butantã, São Paulo, SP 05508-000, Brazil
| | - Elizabethe Adriana Esteves
- Faculty of Biological and Health Sciences, Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Rodovia MGT 367 - Km 583. n. 5000, Alto da Jacuba, Diamantina, MG 39100-000, Brazil.
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50
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Job JT, Rajagopal R, Alfarhan A, Narayanankutty A. Borassus flabellifer Linn haustorium methanol extract mitigates fluoride-induced apoptosis by enhancing Nrf2/Haeme oxygenase 1 -dependent glutathione metabolism in intestinal epithelial cells. Drug Chem Toxicol 2021; 45:2269-2275. [PMID: 34000941 DOI: 10.1080/01480545.2021.1926476] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Fluoride is the most common cause of drinking water-associated toxicity and is known to induce various metabolic imbalances and dental/skeletal fluorosis. The present study analyzed the protective effect of Borassus flabellifer Linn. haustorium extract (BHE) against fluoride-induced intestinal redox metabolism and apoptosis. The total polyphenols and total flavonoids present in BHE were estimated to be 39.67 ± 5.14 mg gallic acid equivalent/g extract and 8.59 ± 0.74 mg quercetin equivalent. In cultured intestinal epithelial cells (IEC-6), sodium fluoride exposure-induced apoptosis mediated through antioxidant enzyme inhibition and subsequent oxidative damages. Further, there observed an increased expression of caspase-3, caspase-7, and apoptotic protease activating factor-1 (apaf-1) genes, increased cytochrome C release, and caspase 3/7 activity indicating the apoptosis- mediated cell death (p < 0.05). Upon pretreatment with BHE, the cytotoxic effect of fluoride was reduced by decreasing the expression of apoptotic genes and increased the cytochrome release as well as caspase 3/7 activity (p < 0.01). Providing the mechanistic basis, the expression of nuclear factor erythroid 2-related factor-2 (Nrf2)/haeme oxygenase-1 (HO1) gene was increased in the BHE pretreated cells; corroborating to these, there observed increased activity of glutathione biosynthetic enzymes (p < 0.05) and glutathione reductase. Hence, the protective effect of BHE may be mediated through Nrf2-mediated glutathione biosynthesis, the subsequent establishment of redox balance, and inhibition of apoptosis in intestinal epithelial cells.
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Affiliation(s)
- Joice Tom Job
- Division of Cell and Molecular Biology, Post Graduate & Research Department of Zoology, St. Joseph's College (Autonomous), Devagiri, Calicut, India
| | - Rajakrishnan Rajagopal
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Ahmed Alfarhan
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Arunaksharan Narayanankutty
- Division of Cell and Molecular Biology, Post Graduate & Research Department of Zoology, St. Joseph's College (Autonomous), Devagiri, Calicut, India
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