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Xue S, Yang L, Xu M, Zhang Y, Liu H. The screening of α-glucosidase inhibitory peptides from β-conglycinin and hypoglycemic mechanism in HepG2 cells and zebrafish larvae. Int J Biol Macromol 2024; 278:134678. [PMID: 39137852 DOI: 10.1016/j.ijbiomac.2024.134678] [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: 06/12/2024] [Revised: 08/09/2024] [Accepted: 08/10/2024] [Indexed: 08/15/2024]
Abstract
Inhibition of carbohydrate digestive enzymes is a key focus across diverse fields, given the prominence of α-glucosidase inhibitors as preferred oral hypoglycaemic drugs for diabetes treatment. β-conglycinin is the most abundant functional protein in soy; however, it is unclear whether the peptides produced after its gastrointestinal digestion exhibit α-glucosidase inhibitory properties. Therefore, we examined the α-glucosidase inhibitory potential of soy peptides. Specifically, β-conglycinin was subjected to simulated gastrointestinal digestion by enzymatically cleaving it into 95 peptides with gastric, pancreatic and chymotrypsin enzymes. Eight soybean peptides were selected based on their predicted activity; absorption, distribution, metabolism, excretion and toxicity score; and molecular docking analysis. The results indicated that hydrogen bonding and electrostatic interactions play important roles in inhibiting α-glucosidase, with the tripeptide SGR exhibiting the greatest inhibitory effect (IC50 = 10.57 μg/mL). In vitro studies revealed that SGR markedly improved glucose metabolism disorders in insulin-resistant HepG2 cells without affecting cell viability. Animal experiments revealed that SGR significantly improved blood glucose and decreased maltase activity in type 2 diabetic zebrafish larvae, but it did not result in the death of zebrafish larvae. Transcriptomic analysis revealed that SGR exerts its anti-diabetic and hypoglycaemic effects by attenuating the expression of several genes, including Slc2a1, Hsp70, Cpt2, Serpinf1, Sfrp2 and Ggt1a. These results suggest that SGR is a potential food-borne bioactive peptide for managing diabetes.
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Affiliation(s)
- Sen Xue
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Grain and Cereal Food Bio-efficient Transformation Engineering Research Center of Liaoning Province, Jinzhou 121013, China
| | - Lina Yang
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Grain and Cereal Food Bio-efficient Transformation Engineering Research Center of Liaoning Province, Jinzhou 121013, China.
| | - Mengnan Xu
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Grain and Cereal Food Bio-efficient Transformation Engineering Research Center of Liaoning Province, Jinzhou 121013, China
| | - Yangyang Zhang
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Grain and Cereal Food Bio-efficient Transformation Engineering Research Center of Liaoning Province, Jinzhou 121013, China
| | - He Liu
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning 121013, China; Grain and Cereal Food Bio-efficient Transformation Engineering Research Center of Liaoning Province, Jinzhou 121013, China
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2
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Batitucci G, Abud GF, Ortiz GU, Belisário LF, Travieso SG, de Lima Viliod MC, Venturini ACR, de Freitas EC. Sarcobesity: New paradigms for healthy aging related to taurine supplementation, gut microbiota and exercise. Ageing Res Rev 2024; 101:102460. [PMID: 39173917 DOI: 10.1016/j.arr.2024.102460] [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: 04/06/2024] [Revised: 07/16/2024] [Accepted: 08/15/2024] [Indexed: 08/24/2024]
Abstract
Enigmatic sarcopenic obesity is still a challenge for science and adds to the global public health burden. The progressive accumulation of body fat combined with a dysfunctional skeletal muscle structure and composition, oxidative stress, mitochondrial dysfunction, and anabolic resistance, among other aggravating factors, together represent the seriousness and complexity of treating the metabolic disorder of sarcobesity in aging. For this reason, further studies are needed that encourage the support of therapeutic management. It is along these lines that we direct the reader to therapeutic approaches that demonstrate important, but still obscure, outcomes in the physiological conditions of sarcobesity, such as the role of taurine in modulating inflammatory and antioxidant mechanisms in muscle and adipose tissue, as well as the management of gut microbiota, able to systemically re-establish the structure and function of the gut-muscle axis, in addition to the merits of physical exercise as an instrument to improve muscular health and lifestyle quality.
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Affiliation(s)
- Gabriela Batitucci
- School of Medical Sciences, Obesity and Comorbidities Research Center, University of Campinas - UNICAMP, Campinas, Sao Paulo, Brazil
| | - Gabriela Ferreira Abud
- Department of Health Sciences, Ribeirao Preto Medical School, University of São Paulo - FMRP/USP, Ribeirao Preto, Sao Paulo, Brazil
| | - Gabriela Ueta Ortiz
- Department of Health Sciences, Ribeirao Preto Medical School, University of São Paulo - FMRP/USP, Ribeirao Preto, Sao Paulo, Brazil
| | - Lucas Fernandes Belisário
- Laboratory of Exercise Physiology and Metabolism, School of Physical Education and Sports of Ribeirao Preto, University of Sao Paulo - EEFERP/USP, Ribeirao Preto, Brazil
| | - Sofia Germano Travieso
- Department of Health Sciences, Ribeirao Preto Medical School, University of São Paulo - FMRP/USP, Ribeirao Preto, Sao Paulo, Brazil
| | - Marcela Coffacci de Lima Viliod
- Laboratory of Exercise Physiology and Metabolism, School of Physical Education and Sports of Ribeirao Preto, University of Sao Paulo - EEFERP/USP, Ribeirao Preto, Brazil
| | - Ana Cláudia Rossini Venturini
- Laboratory of Exercise Physiology and Metabolism, School of Physical Education and Sports of Ribeirao Preto, University of Sao Paulo - EEFERP/USP, Ribeirao Preto, Brazil
| | - Ellen Cristini de Freitas
- Department of Health Sciences, Ribeirao Preto Medical School, University of São Paulo - FMRP/USP, Ribeirao Preto, Sao Paulo, Brazil; Laboratory of Exercise Physiology and Metabolism, School of Physical Education and Sports of Ribeirao Preto, University of Sao Paulo - EEFERP/USP, Ribeirao Preto, Brazil.
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3
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Li S, Song Z, Fan C, Zhang W, Ma T, Li X, Zhang Q, Zhao M, Yu T, Li S. Potential of FGF21 in type 2 diabetes mellitus treatment based on untargeted metabolomics. Biochem Pharmacol 2024; 225:116306. [PMID: 38782076 DOI: 10.1016/j.bcp.2024.116306] [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: 01/09/2024] [Revised: 04/30/2024] [Accepted: 05/16/2024] [Indexed: 05/25/2024]
Abstract
Fibroblast growth factor 21 (FGF21) has promise for treating diabetes and its associated comorbidities. It has been found to reduce blood glucose in mice and humans; however, its underlying mechanism is not known. Here, the metabolic function of FGF21 in diabetes was investigated. Diabetic db/db mice received intraperitoneal injections of FGF21 for 28 days, the serum of each mouse was collected, and their metabolites were analyzed by untargeted metabolomics using UHPLC-MS/MS. It was found that FGF21 reduced blood glucose and oral glucose tolerance without causing hypoglycemia. Moreover, administration of FGF21 reduced the levels of TG and LDL levels while increasing those of HDL and adiponectin. Importantly, the levels of 45 metabolites, including amino acids and lipids, were significantly altered, suggesting their potential as biomarkers. We speculated that FGF21 may treat T2DM through the regulation of fatty acid biosynthesis, the TCA cycle, and vitamin digestion and absorption. These findings provide insight into the mechanism of FGF21 in diabetes and suggest its potential for treating diabetes.
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Affiliation(s)
- Shuai Li
- College of Life Sciences and Agriculture and Forestry, Qiqihar University, Qiqihar 161006, China; State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutical Process, Jiangsu Kanion Parmaceutical CO. LTD, Lianyungang 222001, People s Republic of China
| | - Zilong Song
- College of Life Sciences and Agriculture and Forestry, Qiqihar University, Qiqihar 161006, China
| | - Chunxiang Fan
- College of Life Sciences and Agriculture and Forestry, Qiqihar University, Qiqihar 161006, China
| | - Weiwei Zhang
- College of Life Sciences and Agriculture and Forestry, Qiqihar University, Qiqihar 161006, China
| | - Tianyi Ma
- College of Life Sciences and Agriculture and Forestry, Qiqihar University, Qiqihar 161006, China
| | - Xu Li
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutical Process, Jiangsu Kanion Parmaceutical CO. LTD, Lianyungang 222001, People s Republic of China
| | - Qi Zhang
- President's Office, Qiqihar University, Qiqihar 161006, China.
| | - Ming Zhao
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006, China.
| | - Tianfei Yu
- College of Life Sciences and Agriculture and Forestry, Qiqihar University, Qiqihar 161006, China.
| | - Shanshan Li
- College of Life Sciences and Agriculture and Forestry, Qiqihar University, Qiqihar 161006, China.
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Naraki K, Keshavarzi M, Razavi BM, Hosseinzadeh H. The Protective Effects of Taurine, a Non-essential Amino Acid, Against Metals Toxicities: A Review Article. Biol Trace Elem Res 2024:10.1007/s12011-024-04191-8. [PMID: 38735894 DOI: 10.1007/s12011-024-04191-8] [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: 02/24/2024] [Accepted: 04/16/2024] [Indexed: 05/14/2024]
Abstract
Taurine is a non-proteinogenic amino acid derived from cysteine. It is involved in several phenomena such as the regulation of growth and differentiation, osmoregulation, neurohormonal modulation, and lipid metabolism. Taurine is important because of its high levels in several tissues such as the central nervous system (CNS), heart, skeletal muscles, retinal membranes, and platelets. In this report, we present the functional properties of taurine indicating that it has potential effects on various metal toxicities. Therefore, a comprehensive literature review was performed using the Scopus, PubMed, and Web of Science databases. According to the search keywords, 61 articles were included in the study. The results indicate that taurine protects tissues against metal toxicity through enhancement of enzymatic and non-enzymatic antioxidant capacity, modulation of oxidative stress, anti-inflammatory and anti-apoptotic effects, involvement in different molecular pathways, and interference with the activity of various enzymes. Taken together, taurine is a natural supplement that presents antitoxic effects against many types of compounds, especially metals, suggesting public consumption of this amino acid as a prophylactic agent against the incidence of metal toxicity.
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Affiliation(s)
- Karim Naraki
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Keshavarzi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Bibi Marjan Razavi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Hosseinzadeh
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
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5
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Feng Y, Ren Y, Zhang X, Yang S, Jiao Q, Li Q, Jiang W. Metabolites of traditional Chinese medicine targeting PI3K/AKT signaling pathway for hypoglycemic effect in type 2 diabetes. Front Pharmacol 2024; 15:1373711. [PMID: 38799166 PMCID: PMC11116707 DOI: 10.3389/fphar.2024.1373711] [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: 01/20/2024] [Accepted: 04/23/2024] [Indexed: 05/29/2024] Open
Abstract
Type 2 diabetes mellitus is a chronic metabolic disease characterized by insulin resistance, with high morbidity and mortality worldwide. Due to the tightly intertwined connection between the insulin resistance pathway and the PI3K/AKT signaling pathway, regulating the PI3K/AKT pathway and its associated targets is essential for hypoglycemia and the prevention of type 2 diabetes mellitus. In recent years, metabolites isolated from traditional Chinese medicine has received more attention and acceptance for its superior bioactivity, high safety, and fewer side effects. Meanwhile, numerous in vivo and in vitro studies have revealed that the metabolites present in traditional Chinese medicine possess better bioactivities in regulating the balance of glucose metabolism, ameliorating insulin resistance, and preventing type 2 diabetes mellitus via the PI3K/AKT signaling pathway. In this article, we reviewed the literature related to the metabolites of traditional Chinese medicine improving IR and possessing therapeutic potential for type 2 diabetes mellitus by targeting the PI3K/AKT signaling pathway, focusing on the hypoglycemic mechanism of the metabolites of traditional Chinese medicine in type 2 diabetes mellitus and elaborating on the significant role of the PI3K/AKT signaling pathway in type 2 diabetes mellitus. In order to provide reference for clinical prevention and treatment of type 2 diabetes mellitus.
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Affiliation(s)
| | | | | | | | | | | | - Wenwen Jiang
- School of Pharmaceutical Sciences, Guizhou University, Guiyang, China
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Guo X, Ou T, Yang X, Song Q, Zhu L, Mi S, Zhang J, Zhang Y, Chen W, Guo J. Untargeted metabolomics based on ultra-high performance liquid chromatography-mass spectrometry/MS reveals the lipid-lowering mechanism of taurine in hyperlipidemia mice. Front Nutr 2024; 11:1367589. [PMID: 38706565 PMCID: PMC11066166 DOI: 10.3389/fnut.2024.1367589] [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: 01/09/2024] [Accepted: 04/03/2024] [Indexed: 05/07/2024] Open
Abstract
Introduction Taurine has a prominent lipid-lowering effect on hyperlipidemia. However, a comprehensive analysis of the effects of taurine on endogenous metabolites in hyperlipidemia has not been documented. This study aimed to explore the impact of taurine on multiple metabolites associated with hyperlipidemia. Methods The hyperlipidemic mouse model was induced by high-fat diet (HFD). Taurine was administered via oral gavage at doses of 700 mg/kg/day for 14 weeks. Evaluation of body weight, serum lipid levels, and histopathology of the liver and adipose tissue was performed to confirm the lipid-lowering effect of taurine. Ultra-high performance liquid chromatography-mass spectrometry (UPLC-MS)-based metabonomics analyses of serum, urine, feces, and liver, coupled with multivariate data analysis, were conducted to assess changes in the endogenous metabolites. Results and discussion Biochemical and histological examinations demonstrated that taurine administration prevented weight gain and dyslipidemia, and alleviated lipid deposition in the liver and adipose tissue in hyperlipidemic mice. A total of 76 differential metabolites were identified by UPLC-MS-based metabolomics approach, mainly involving BAs, GPs, SMs, DGs, TGs, PUFAs and amino acids. Taurine was found to partially prevent HFDinduced abnormalities in the aforementioned metabolites. Using KEGG database and MetaboAnalyst software, it was determined that taurine effectively alleviates metabolic abnormalities caused by HFD, including fatty acid metabolism, sphingolipid metabolism, glycerophospholipid metabolism, diacylglycerol metabolism, amino acid metabolism, bile acid and taurine metabolism, taurine and hypotaurine metabolism. Moreover, DGs, GPs and SMs, and taurine itself may serve as active metabolites in facilitating various anti-hyperlipidemia signal pathways associated with taurine. This study provides new evidence for taurine to prevent hyperlipidemia.
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Affiliation(s)
- Xinzhe Guo
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
| | - Tong Ou
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
- China National Center for Food Safety Risk Assessment, Beijing, China
| | - Xinyu Yang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
| | - Qi Song
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
| | - Lin Zhu
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
| | - Shengquan Mi
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
| | - Jing Zhang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
| | - Yanzhen Zhang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
| | - Wen Chen
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
| | - Junxia Guo
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
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Wang Y, Gao B, Chen X, Shi X, Li S, Zhang Q, Zhang C, Piao F. Improvement of diabetes-induced spinal cord axon injury with taurine via nerve growth factor-dependent Akt/mTOR pathway. Amino Acids 2024; 56:32. [PMID: 38637413 PMCID: PMC11026277 DOI: 10.1007/s00726-024-03392-8] [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: 08/03/2023] [Accepted: 03/21/2024] [Indexed: 04/20/2024]
Abstract
Diabetic neuropathy (DN) is a common neurological complication caused by diabetes mellitus (DM). Axonal degeneration is generally accepted to be the major pathological change in peripheral DN. Taurine has been evidenced to be neuroprotective in various aspects, but its effect on spinal cord axon injury (SCAI) in DN remains barely reported. This study showed that taurine significantly ameliorated axonal damage of spinal cord (SC), based on morphological and functional analyses, in a rat model of DN induced by streptozotocin (STZ). Taurine was also found to induce neurite outgrowth in cultured cerebral cortex neurons with high glucose exposure. Moreover, taurine up-regulated the expression of nerve growth factor (NGF) and neurite outgrowth relative protein GAP-43 in rat DN model and cultured cortical neurons/VSC4.1 cells. Besides, taurine increased the activating phosphorylation signals of TrkA, Akt, and mTOR. Mechanistically, the neuroprotection by taurine was related to the NGF-pAKT-mTOR axis, because either NGF-neutralizing antibody or Akt or mTOR inhibitors was found to attenuate its beneficial effects. Together, our results demonstrated that taurine promotes spinal cord axon repair in a model of SCAI in STZ-induced diabetic rats, mechanistically associating with the NGF-dependent activation of Akt/mTOR pathway.
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Affiliation(s)
- Yachen Wang
- Stem Cell Clinical Research Center, The First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China
| | - Bihu Gao
- Department of Nephrology, Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, China
- Department of Urology, The First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China
| | - Xiaochi Chen
- Department of Urology, The First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China
| | - Xiaoxia Shi
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Shuangyue Li
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Qing Zhang
- Department of Integrative Laboratory, Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, China.
| | - Cong Zhang
- Department of Nutrition and Food Safety, Dalian Medical University, Dalian, 116044, Liaoning, China.
| | - Fengyuan Piao
- Department of Scientific Research Project, Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, China.
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Zhang F, Chen X, Yang M, Shen X, Wang Y, Zhong D, Zeng F, Jin R. Metabolic impairments associated with type 2 diabetes mellitus and the potential effects of exercise therapy: An exploratory randomized trial based on untargeted metabolomics. PLoS One 2024; 19:e0300593. [PMID: 38517904 PMCID: PMC10959348 DOI: 10.1371/journal.pone.0300593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 02/26/2024] [Indexed: 03/24/2024] Open
Abstract
BACKGROUND Type 2 diabetes mellitus (T2DM) is a common condition that is characterized by metabolic impairments. Exercise therapy has proven effective in improving the physiological and psychological states of patients with T2DM; however, the influence of different exercise modalities on metabolic profiles is not fully understood. This study first aimed to investigate the metabolic changes associated with T2DM among patients and then to evaluate the potential physiological effects of different exercise modalities (Tai Chi and brisk walking) on their metabolic profiles. METHODS This study included 20 T2DM patients and 11 healthy subjects. Patients were randomly allocated to either the Tai Chi or walking group to perform Dijia simplified 24-form Tai Chi or brisk walking (80-100 m/min), with 90 minutes each time, three times per week for 12 weeks, for a total of 36 sessions. The healthy group maintained daily living habits without intervention. Glycemic tests were conducted at the baseline and after 12 weeks. Serum and urine samples were collected for untargeted metabolomic analyses at baseline and 12 weeks to examine the differential metabolic profiles between T2DM and healthy subjects, and the metabolic alterations of T2DM patients before and after exercise therapy. RESULTS Compared to the healthy group, T2DM patients exhibited metabolic disturbances in carbohydrates (fructose, mannose, galactose, glycolysis/gluconeogenesis), lipids (inositol phosphate), and amino acids (arginine, proline, cysteine, methionine, valine, leucine, and isoleucine) metabolism, including 20 differential metabolites in the serum and six in the urine. After exercise, the glycemic results showed insignificant changes. However, patients who practiced Tai Chi showed significant improvements in their post-treatment metabolic profiles compared to baseline, with nine serum and six urine metabolites, including branch-chained amino acids (BCAAs); while those in the walking group had significantly altered nine serum and four urine metabolites concerning steroid hormone biosynthesis and arachidonic acid metabolism compared to baseline. CONCLUSION T2DM patients displayed impaired carbohydrate, lipid, and amino acid metabolism, and exercise therapy improved their metabolic health. Different modalities may act through different pathways. Tai Chi may improve disrupted BCAAs metabolism, whereas brisk walking mainly regulates steroid hormone biosynthesis and arachidonic acid metabolism.
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Affiliation(s)
- Furong Zhang
- College of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Xixi Chen
- College of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Mingxiao Yang
- College of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Xiaoyu Shen
- Second Affiliated Hospital of Chengdu Medical College/Nuclear Industry 416 Hospital, Chengdu, Sichuan, China
| | - Yiliang Wang
- Chongqing University Three Gorges Hospital, Chongqing, China
| | - Dongling Zhong
- College of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Fang Zeng
- College of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Acupuncture-Brain Science Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Rongjiang Jin
- College of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
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García-Ayuso D, Pierdomenico JD, Martínez-Vacas A, Vidal-Sanz M, Picaud S, Villegas-Pérez MP. Taurine: a promising nutraceutic in the prevention of retinal degeneration. Neural Regen Res 2024; 19:606-610. [PMID: 37721291 PMCID: PMC10581579 DOI: 10.4103/1673-5374.380820] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/13/2023] [Accepted: 05/27/2023] [Indexed: 09/19/2023] Open
Abstract
Taurine is considered a non-essential amino acid because it is synthesized by most mammals. However, dietary intake of taurine may be necessary to achieve the physiological levels required for the development, maintenance, and function of certain tissues. Taurine may be especially important for the retina. The concentration of taurine in the retina is higher than that in any other tissue in the body and taurine deficiency causes retinal oxidative stress, apoptosis, and degeneration of photoreceptors and retinal ganglion cells. Low plasma taurine levels may also underlie retinal degeneration in humans and therefore, taurine administration could exert retinal neuroprotective effects. Taurine has antioxidant, anti-apoptotic, immunomodulatory, and calcium homeostasis-regulatory properties. This review summarizes the role of taurine in retinal health and disease, where it appears that taurine may be a promising nutraceutical.
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Affiliation(s)
- Diego García-Ayuso
- Grupo de Investigación Oftalmología Experimental, Departamento de Oftalmología, Optometría, Otorrinolaringología y Anatomía Patológica, Facultad de Medicina, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Campus de Ciencias de la Salud, Murcia, España
| | - Johnny Di Pierdomenico
- Grupo de Investigación Oftalmología Experimental, Departamento de Oftalmología, Optometría, Otorrinolaringología y Anatomía Patológica, Facultad de Medicina, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Campus de Ciencias de la Salud, Murcia, España
| | - Ana Martínez-Vacas
- Grupo de Investigación Oftalmología Experimental, Departamento de Oftalmología, Optometría, Otorrinolaringología y Anatomía Patológica, Facultad de Medicina, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Campus de Ciencias de la Salud, Murcia, España
| | - Manuel Vidal-Sanz
- Grupo de Investigación Oftalmología Experimental, Departamento de Oftalmología, Optometría, Otorrinolaringología y Anatomía Patológica, Facultad de Medicina, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Campus de Ciencias de la Salud, Murcia, España
| | - Serge Picaud
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, Paris, France
| | - María P. Villegas-Pérez
- Grupo de Investigación Oftalmología Experimental, Departamento de Oftalmología, Optometría, Otorrinolaringología y Anatomía Patológica, Facultad de Medicina, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Campus de Ciencias de la Salud, Murcia, España
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10
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Liu H, Niu T, Qiu G, Cui S, Zhang D. Taurine promotes insulin synthesis by enhancing Isl-1 expression through miR-7a/RAF1/ERK1/2 pathway. In Vitro Cell Dev Biol Anim 2024; 60:23-35. [PMID: 38117455 DOI: 10.1007/s11626-023-00835-6] [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: 07/13/2023] [Accepted: 11/04/2023] [Indexed: 12/21/2023]
Abstract
It has been well established that the circulating taurine affects the insulin synthesis in pancreatic islet β-cells, whereas miR-7a and LIM-homeodomain transcription factor Isl-1 are important intracellular factors regulating insulin transcription and synthesis. However, it still remains unknown whether taurine regulates insulin synthesis by affecting miR-7a and/or Isl-1 expressions in mouse pancreatic islet β-cells. The present study was thus proposed to identify the effects of taurine on the expressions of miR-7a and/or Isl-1 and their relations to insulin synthesis in mouse pancreatic islet β-cells by using miR-7a2 knockout (KO) and taurine transporter (TauT) KO mouse models and the related in vitro experiments. The results demonstrated that taurine supplement significantly decreased the pancreas miR-7a expression, but sharply upregulated the pancreas Isl-1 and insulin expressions, and serum insulin levels. However, the enhanced effects of taurine on Isl-1 expression and insulin synthesis were mitigated in the TauT KO and miR-7a2 KO mice. In addition, our results confirmed that taurine markedly increased pancreas RAF1 and ERK1/2 expressions. Collectively, the present study firstly demonstrates that taurine regulates insulin synthesis through TauT/miR-7a/RAF1/ERK1/2/Isl-1 signaling pathway, which are crucial for our understanding the mechanisms of taurine affecting insulin synthesis, and also potential for establishing the therapeutic strategies for diabetes and the diseases related to metabolism.
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Affiliation(s)
- Hui Liu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
- Institute of Reproduction and Metabolism, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Tongjuan Niu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
- Institute of Reproduction and Metabolism, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Guobin Qiu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
- Institute of Reproduction and Metabolism, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Sheng Cui
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
- Institute of Reproduction and Metabolism, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Di Zhang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China.
- Institute of Reproduction and Metabolism, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China.
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, Jiangsu, People's Republic of China.
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11
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Ou Y, Guo Y, Chen M, Lu X, Guo Z, Zheng B. Gut microbiome-serum metabolic profiles: insight into the hypoglycemic effect of Porphyra haitanensis glycoprotein on hyperglycemic mice. Food Funct 2023; 14:7977-7991. [PMID: 37578326 DOI: 10.1039/d3fo02040a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
The hypoglycemic activity of natural algal glycoproteins has attracted interest, but studies of their mechanism of regulating glucose metabolism are lacking. This study investigated the hypoglycemic activity of Porphyra haitanensis glycoprotein (PG) in a mouse hyperglycemia model. The underlying mechanism was elucidated by monitoring changes in the gut microbiome and untargeted serum metabolomics. The results indicated that 30-300 mg kg-1 PG regulated blood glucose levels by increasing insulin secretion, reducing glycated hemoglobin, and improving streptozotocin-induced hyperglycemia in a concentration-dependent manner. In particular, 300 mg kg-1 PG decreased fasting blood glucose by 63.11% and glycosylated hemoglobin by 24.50% and increased insulin secretion by 163.97%. The mechanism of the improvement of hyperglycemia by PG may involve regulating beneficial intestinal bacteria (e.g., norank_f__Muribaculaceae and Lachnospiraceae) and altering the serum metabolic profile (e.g., upregulation of hypotaurine, 3-hydroxy-2-naphthoic acid, and L-glycine), to regulate taurine and hypotaurine, the TCA cycle, AMPK, and pyruvate metabolism. Our findings supported the development of Porphyra haitanensis and its glycoprotein as novel natural antidiabetic compounds to regulate the glycemic balance.
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Affiliation(s)
- Yujia Ou
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
| | - Yuehong Guo
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
| | - Mingrong Chen
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Xiaodan Lu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
| | - Zebin Guo
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
| | - Baodong Zheng
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
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12
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Pan F, Li P, Hao G, Liu Y, Wang T, Liu B. Enhancing Milk Production by Nutrient Supplements: Strategies and Regulatory Pathways. Animals (Basel) 2023; 13:ani13030419. [PMID: 36766308 PMCID: PMC9913681 DOI: 10.3390/ani13030419] [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: 10/24/2022] [Revised: 01/10/2023] [Accepted: 01/23/2023] [Indexed: 01/28/2023] Open
Abstract
The enhancement of milk production is essential for dairy animals, and nutrient supplements can enhance milk production. This work summarizes the influence of nutrient supplements-including amino acids, peptides, lipids, carbohydrates, and other chemicals (such as phenolic compounds, prolactin, estrogen and growth factors)-on milk production. We also attempt to provide possible illuminating insights into the subsequent effects of nutrient supplements on milk synthesis. This work may help understand the strategy and the regulatory pathway of milk production promotion. Specifically, we summarize the roles and related pathways of nutrients in promoting milk protein and fat synthesis. We hope this review will help people understand the relationship between nutritional supplementation and milk production.
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Affiliation(s)
- Fengguang Pan
- Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Peizhi Li
- Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Guijie Hao
- Key Laboratory of Healthy Freshwater Aquaculture, Ministry of Agriculture and Rural Affairs, Huzhou 313001, China
- Key Laboratory of Fish Health and Nutrition of Zhejiang Province, Zhejiang Institute of Freshwater Fisheries, Huzhou 313001, China
| | - Yinuo Liu
- Key Laboratory of Genetics and Breeding, Zhejiang Institute of Freshwater Fisheries, Huzhou 313001, China
| | - Tian Wang
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun 130062, China
- Correspondence: (T.W.); (B.L.)
| | - Boqun Liu
- Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China
- Correspondence: (T.W.); (B.L.)
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13
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Li Y, Peng Q, Shang J, Dong W, Wu S, Guo X, Xie Z, Chen C. The role of taurine in male reproduction: Physiology, pathology and toxicology. Front Endocrinol (Lausanne) 2023; 14:1017886. [PMID: 36742382 PMCID: PMC9889556 DOI: 10.3389/fendo.2023.1017886] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 01/04/2023] [Indexed: 01/20/2023] Open
Abstract
Taurine, a sulfur-containing amino acid, has a wide range of biological effects, such as bile salt formation, osmotic regulation, oxidative stress inhibition, immunomodulation and neuromodulation. Taurine has been proved to be synthesized and abundant in male reproductive organs. Recently, accumulating data showed that taurine has a potential protective effect on reproductive function of male animals. In physiology, taurine can promote the endocrine function of the hypothalamus-pituitary-testis (HPT) axis, testicular tissue development, spermatogenesis and maturation, delay the aging of testicular structure and function, maintain the homeostasis of the testicular environment, and enhance sexual ability. In pathology, taurine supplement may be beneficial to alleviate pathological damage of male reproductive system, including oxidative damage of sperm preservation in vitro, testicular reperfusion injury and diabetes -induced reproductive complications. In addition, taurine acts as a protective agent against toxic damage to the male reproductive system by exogenous substances (e.g., therapeutic drugs, environmental pollutants, radiation). Related mechanisms include reduced oxidative stress, increased antioxidant capacity, inhibited inflammation and apoptosis, restored the secretory activity of the HPT axis, reduced chromosomal variation, enhanced sperm mitochondrial energy metabolism, cell membrane stabilization effect, etc. Therefore, this article reviewed the protective effect of taurine on male reproductive function and its detailed mechanism, in order to provide reference for further research and clinical application.
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Affiliation(s)
- Yuanyuan Li
- Institute of Nursing and Health, School of Nursing and Health, Henan University, Kaifeng, Henan, China
| | - Qianwen Peng
- Institute of Nursing and Health, School of Nursing and Health, Henan University, Kaifeng, Henan, China
| | - Jia Shang
- Arts Department, School of Kaifeng Culture and Tourism, Henan, Kaifeng, China
| | - Wanglin Dong
- Institute of Nursing and Health, School of Nursing and Health, Henan University, Kaifeng, Henan, China
| | - Sijia Wu
- Institute of Nursing and Health, School of Nursing and Health, Henan University, Kaifeng, Henan, China
| | - Xiajun Guo
- Institute of Nursing and Health, School of Nursing and Health, Henan University, Kaifeng, Henan, China
| | - Zhenxing Xie
- School of Basic Medical Science, Henan University, Henan, Kaifeng, China
| | - Chaoran Chen
- Institute of Nursing and Health, School of Nursing and Health, Henan University, Kaifeng, Henan, China
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14
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Santos HO, May TL, Bueno AA. Eating more sardines instead of fish oil supplementation: Beyond omega-3 polyunsaturated fatty acids, a matrix of nutrients with cardiovascular benefits. Front Nutr 2023; 10:1107475. [PMID: 37143475 PMCID: PMC10153001 DOI: 10.3389/fnut.2023.1107475] [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: 11/25/2022] [Accepted: 03/27/2023] [Indexed: 05/06/2023] Open
Abstract
Omega-3 polyunsaturated fatty acids (n-3 PUFA) play a significant role in the prevention and management of cardiometabolic diseases associated with a mild chronic pro-inflammatory background, including type 2 diabetes, hypertension, hypertriglyceridaemia, and fatty liver disease. The effects of n-3 PUFA supplements specifically, remain controversial regarding reducing risks of cardiovascular events. n-3 PUFA supplements come at a cost for the consumer and can result in polypharmacy for patients on pharmacotherapy. Sardines are a well-known, inexpensive source of n-3 PUFA and their consumption could reduce the need for n-3 PUFA supplementation. Moreover, sardines contain other cardioprotective nutrients, although further insights are crucial to translate a recommendation for sardine consumption into clinical practice. The present review discusses the matrix of nutrients contained in sardines which confer health benefits for cardiometabolism, beyond n-3 PUFA. Sardines contain calcium, potassium, magnesium, zinc, iron, taurine, arginine and other nutrients which together modulate mild inflammation and exacerbated oxidative stress observed in cardiovascular disease and in haemodynamic dysfunction. In a common serving of sardines, calcium, potassium, and magnesium are the minerals at higher amounts to elicit clinical benefits, whilst other nutrients are present in lower but valuable amounts. A pragmatic approach towards the consumption of such nutrients in the clinical scenario should be adopted to consider the dose-response relationship effects on physiological interactions. As most recommendations currently available are based on an indirect rationale of the physiological actions of the nutrients found in sardines, randomised clinical trials are warranted to expand the evidence on the benefits of sardine consumption.
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Affiliation(s)
- Heitor O. Santos
- School of Medicine, Federal University of Uberlandia (UFU), Uberlandia, Minas Gerais, Brazil
- *Correspondence: Heitor O. Santos,
| | - Theresa L. May
- School of Science and the Environment, University of Worcester, Worcester, United Kingdom
| | - Allain A. Bueno
- School of Science and the Environment, University of Worcester, Worcester, United Kingdom
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15
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Wang J, Wang Y, Zheng W, Yuan X, Liu C, Zhang Y, Song W, Wang X, Liang S, Ma X, Li G. Dynamic changes of serum taurine and the association with gestational diabetes mellitus: A nested case-control study. Front Endocrinol (Lausanne) 2023; 14:1116044. [PMID: 37033232 PMCID: PMC10076711 DOI: 10.3389/fendo.2023.1116044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 03/13/2023] [Indexed: 04/11/2023] Open
Abstract
OBJECTIVE There is a lack of risk factors that can effectively identify gestational diabetes mellitus (GDM) in early pregnancy. It is unclear whether serum taurine in the first trimester and dynamic changes have different characteristics in GDM women. Whether these features are associated with the occurrence of GDM has not yet been elucidated. The main objective of this study was to observe the dynamic changes of serum taurine during pregnancy and investigate the relationship between serum taurine levels and GDM in the first and second trimesters. METHODS This was a nested case-control study in 47 women with GDM and 47 age-matched normoglycemic women. We examined serum taurine at 8-12 weeks' gestation and 24-28 weeks' gestation. The serum taurine of the two groups was compared. Multivariable logistic regression analysis was performed to investigate how serum taurine was associated with GDM. RESULTS The serum taurine concentration of GDM women was significantly lower than that of normoglycemic women in the first trimester(2.29 vs 3.94 μmol/L, P<0.001). As the pregnancy progressed, serum taurine concentration in normoglycaemic women decreased significantly(3.94 vs 2.47 μmol/L, P<0.001), but not in the GDM group(2.29 vs 2.37 μmol/L, P=0.249), resulting in the disappearance of differences between the two groups(2.47 vs 2.37 μmol/L, P=0.160). After adjustment for pre-pregnancy body mass index(BMI), fasting plasma glucose(FPG), and lipid profiles in the first trimester, the serum taurine concentration in the first trimester was negatively correlated with the risk of GDM(OR=0.017, 95% CI=0.003-0.107, P<0.001). Furthermore, dynamic change of serum taurine showed a significantly positive correlation with the risk of GDM(OR=9.909, 95% CI=3.556-27.610, P<0.001). CONCLUSION Low serum taurine concentration in the first trimester was significantly associated with the development of GDM. As the pregnancy progressed, the association between serum taurine and GDM disappeared in the second trimester, which might be related to the inhibition of taurine transporter(TauT) activity by high glucose.
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Affiliation(s)
- Jia Wang
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing, China
| | - Yuanyuan Wang
- National Research Institute for Family Planning, Beijing, China
- National Human Genetic Resources Center, Beijing, China
| | - Wei Zheng
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing, China
| | - Xianxian Yuan
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing, China
| | - Cheng Liu
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing, China
| | - Ya Zhang
- National Research Institute for Family Planning, Beijing, China
- National Human Genetic Resources Center, Beijing, China
| | - Wei Song
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing, China
| | - Xiaoxin Wang
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing, China
| | - Shengnan Liang
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing, China
| | - Xu Ma
- National Research Institute for Family Planning, Beijing, China
- National Human Genetic Resources Center, Beijing, China
- *Correspondence: Guanghui Li, ; Xu Ma,
| | - Guanghui Li
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing, China
- *Correspondence: Guanghui Li, ; Xu Ma,
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16
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Bajaj S, Gupta S. Nutraceuticals: A Promising Approach Towards Diabetic Neuropathy. Endocr Metab Immune Disord Drug Targets 2023; 23:581-595. [PMID: 36263482 DOI: 10.2174/1871530323666221018090024] [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: 02/05/2022] [Revised: 05/16/2022] [Accepted: 05/25/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Various nutraceuticals from different sources have various beneficial actions and have been reported for many years. The important findings from the research conducted using various nutraceuticals exhibiting significant physiological and pharmacological activities have been summarized. METHODS An extensive investigation of literature was done using several worldwide electronic scientific databases like PUBMED, SCOPUS, Science Direct, Google Scholar, etc. The entire manuscript is available in the English language that is used for our various compounds of interest. These databases were thoroughly reviewed and summarized. RESULTS Nutraceuticals obtained from various sources play a vital role in the management of peripheral neuropathy associated with diabetes. Treatment with nutraceuticals has been beneficial as an alternative in preventing the progression. In particular, in vitro and in vivo studies have revealed that a variety of nutraceuticals have significant antioxidant and anti-inflammatory properties that may inhibit the early diabetes-driven molecular mechanisms that induce DPN. CONCLUSION Nutraceuticals obtained from different sources like a plant, an animal, and marine have been properly utilized for the safety of health. In our opinion, this review could be of great interest to clinicians, as it offers a complementary perspective on the management of DPN. Trials with a well-defined patient and symptom selection have shown robust pharmacological design as pivotal points to let these promising compounds become better accepted by the medical community.
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Affiliation(s)
- Sakshi Bajaj
- Department of Pharmaceutical Sciences, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana-133207, India
| | - Sumeet Gupta
- Department of Pharmaceutical Sciences, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana-133207, India
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Shi Y, Zhong L, Fan Y, Zhang J, Dai J, Zhong H, Fu G, Hu Y. Taurine inhibits hydrogen peroxide-induced oxidative stress, inflammatory response and apoptosis in liver of Monopterus albus. FISH & SHELLFISH IMMUNOLOGY 2022; 128:536-546. [PMID: 35988713 DOI: 10.1016/j.fsi.2022.08.029] [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: 06/20/2022] [Revised: 08/05/2022] [Accepted: 08/14/2022] [Indexed: 06/15/2023]
Abstract
Fish are extremely vulnerable to environmental stimulation and produce oxidative stress. Among them, hydrogen peroxide is an oxidative stress source that cannot be ignored in fish, which can cause physical disorders, inflammation and even death. Taurine was revealed to reduce oxidative damage and inflammation caused by toxic substances, but whether it can reduce toxicity of rice field eel caused by H2O2 has not been determined. Thus, the intervention effects of taurine on H2O2-induced oxidative stress, inflammation, apoptosis, and autophagy in rice field eel. The results showed that oxidative injury in the liver was determined after H2O2 injection, as indicated by enhanced serum AST and ALT activities, inhibited the antioxidant function (increased MDA and ROS contents, decreased antioxidant enzymes, inhibited nrf2 transcription level), and induced inflammatory response (upregulated il-1β, il-6, il-8, and il-12β gene expression, downregulated tgf-β1 gene expression, activated the transcription level of nf-κb, tlr-3, and tlr-7). In addition, bax, caspase3, beclin1, and Lc3B gene expression were significantly upregulated after H2O2 injection, while bcl2 and p62 gene expression were downregulated, leading to the occurrence of apoptosis and autophagy. In contrast, adding 0.2 and 0.5% taurine to feed significantly alleviated this damage, as indicated by the recovery of the aforementioned bioindicators, and the effect of 0.5% taurine addition is better than 0.2%. Overall, these results suggested that taurine can relieve the liver toxicity induced by H2O2, which enriched the toxic mechanism of H2O2 on fish and provided evidence for the protective effect of taurine on liver.
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Affiliation(s)
- Yong Shi
- Hunan Research Center of Engineering Technology for Utilization of Distinctive Aquatic Resource, Hunan Agricultural University, Changsha, 410128, China
| | - Lei Zhong
- Hunan Research Center of Engineering Technology for Utilization of Distinctive Aquatic Resource, Hunan Agricultural University, Changsha, 410128, China; Hunan Key Laboratory of Traditional Chinese Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, China
| | - Yuding Fan
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, 430223, China
| | - Junzhi Zhang
- Hunan Research Center of Engineering Technology for Utilization of Distinctive Aquatic Resource, Hunan Agricultural University, Changsha, 410128, China
| | - Jihong Dai
- Hunan Research Center of Engineering Technology for Utilization of Distinctive Aquatic Resource, Hunan Agricultural University, Changsha, 410128, China
| | - Huan Zhong
- Hunan Research Center of Engineering Technology for Utilization of Distinctive Aquatic Resource, Hunan Agricultural University, Changsha, 410128, China
| | - Guihong Fu
- Hunan Research Center of Engineering Technology for Utilization of Distinctive Aquatic Resource, Hunan Agricultural University, Changsha, 410128, China
| | - Yi Hu
- Hunan Research Center of Engineering Technology for Utilization of Distinctive Aquatic Resource, Hunan Agricultural University, Changsha, 410128, China; Hunan Key Laboratory of Traditional Chinese Veterinary Medicine, Hunan Agricultural University, Changsha, 410128, China.
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18
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Tao X, Zhang Z, Yang Z, Rao B. The effects of taurine supplementation on diabetes mellitus in humans: A systematic review and meta-analysis. FOOD CHEMISTRY. MOLECULAR SCIENCES 2022; 4:100106. [PMID: 35769396 PMCID: PMC9235038 DOI: 10.1016/j.fochms.2022.100106] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/11/2022] [Accepted: 03/19/2022] [Indexed: 12/27/2022]
Abstract
The first meta-analysis to comprehensively evaluate the effects of taurine supplementation on diabetic patients. Statistical significance in HbA1C, Fasting Blood Sugar, HOMA-IR after oral supplemental of taurine by diabetic patients than that of placebo. Taurine is expected to be a new option for the management of diabetes.
Objective The ameliorative effect of taurine on diabetes has received extensive attention in recent years. Despite promising data from animal studies, the efficacy of taurine supplementation in human studies has been inconsistent. We thus did a meta-analysis of randomized controlled trials to assess the effect of taurine supplement on glycemic indices, serum lipids, blood pressure, body composition in patients with diabetes. Methods We systematically searched PubMed, Embase, Cochrane, Web of Science, FDA.gov, and ClinicalTrials.gov for randomized controlled trials (published from inception to January 15, 2022; no language restrictions) about the effect of taurine supplement on diabetes. Values of Standardized Mean Differences (SMD) were determined for continuous outcomes. Results Of 2206 identified studies, 5 randomized controlled trials were eligible and were included in our analysis (N = 209 participants). Compared with the control group, taurine could significantly reduce HbA1c (SMD −0.41[95% CI: −0.74, −0.09], p = 0.01), Fasting Blood Sugar (SMD − 1.28[95% CI: −2.42, −0.14], p = 0.03) and HOMA-IR (SMD − 0.64[95% CI: −1.22, −0.06], p = 0.03). In addition, taurine also reduced Insulin (SMD −0.48 [95% CI: −0.99, 0.03], p = 0.06) and TG (SMD −0.26 [95% CI: −0.55, 0.02], p = 0.07), but did not reach statistical significance. Conclusions Taurine supplementation is beneficial in reducing glycemic indices, such as HbA1c, Fasting Blood Sugar, HOMA-IR in diabetic patients, but has no significant effect on serum lipids, blood pressure and body composition in diabetic patients. Taurine emerges as a new option for the management of patients with diabetes. Further studies are needed to understand the potential effect of taurine in diabetic patients.
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Affiliation(s)
- Xiaomei Tao
- Department of Pharmacy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China.,Key Laboratory of Cancer FSMP for State Market Regulation, Beijing 100038, China
| | - Zhanzhi Zhang
- Department of Gastrointestinal Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China.,Key Laboratory of Cancer FSMP for State Market Regulation, Beijing 100038, China
| | - Zhenpeng Yang
- Department of Gastrointestinal Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China.,Key Laboratory of Cancer FSMP for State Market Regulation, Beijing 100038, China
| | - Benqiang Rao
- Department of Gastrointestinal Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China.,Key Laboratory of Cancer FSMP for State Market Regulation, Beijing 100038, China
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Duszka K. Versatile Triad Alliance: Bile Acid, Taurine and Microbiota. Cells 2022; 11:2337. [PMID: 35954180 PMCID: PMC9367564 DOI: 10.3390/cells11152337] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 07/21/2022] [Accepted: 07/24/2022] [Indexed: 11/21/2022] Open
Abstract
Taurine is the most abundant free amino acid in the body, and is mainly derived from the diet, but can also be produced endogenously from cysteine. It plays multiple essential roles in the body, including development, energy production, osmoregulation, prevention of oxidative stress, and inflammation. Taurine is also crucial as a molecule used to conjugate bile acids (BAs). In the gastrointestinal tract, BAs deconjugation by enteric bacteria results in high levels of unconjugated BAs and free taurine. Depending on conjugation status and other bacterial modifications, BAs constitute a pool of related but highly diverse molecules, each with different properties concerning solubility and toxicity, capacity to activate or inhibit receptors of BAs, and direct and indirect impact on microbiota and the host, whereas free taurine has a largely protective impact on the host, serves as a source of energy for microbiota, regulates bacterial colonization and defends from pathogens. Several remarkable examples of the interaction between taurine and gut microbiota have recently been described. This review will introduce the necessary background information and lay out the latest discoveries in the interaction of the co-reliant triad of BAs, taurine, and microbiota.
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Affiliation(s)
- Kalina Duszka
- Department of Nutritional Sciences, University of Vienna, 1090 Vienna, Austria
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20
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Yeh WY, Lin YL, Yang WY, Chou CH, Wu YHS, Chen YC. Functional chicken-liver hydrolysates ameliorate insulin resistance and cognitive decline in streptozotocin-induced diabetic mice. Poult Sci 2022; 101:101887. [PMID: 35477132 PMCID: PMC9058603 DOI: 10.1016/j.psj.2022.101887] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 03/14/2022] [Accepted: 03/19/2022] [Indexed: 12/22/2022] Open
Abstract
As part of the slaughtering processing in Taiwan, approximately 10,000 metric tons of broiler livers are produced yearly. However, these livers are regarded as waste. Our team has successfully developed a functional chicken-liver hydrolysate (CLH) with several useful activities. It has been reported that there is a positive relationship between diabetes mellitus (DM) patients and cognitive decline. To maximize broiler-livers' utilization and add value, we investigated the modulative effects of the CLHs on glucose homeostasis and cognitive decline in streptozotocin (STZ) induced diabetic mice. After a 9-wk experiment, CLH supplementation lowered blood glucose by increasing GLUT4 protein expressions in the brains, livers, and muscles of STZ-induced mice (P < 0.05). CLHs also enhanced antioxidant capacities in the livers and brains of STZ-induced mice. Amended memory and alternation behavior were tested by using water and Y-maze assays (P < 0.05). Besides, STZ-induced mice with CLH supplementation had less contracted neuron bodies in the hippocampus and lower (P < 0.05) Aβ depositions in the dentate gyrus area. Less AGE accumulation and apoptosis-related proteins (RAGE, JNK, and activated Caspase 3) in the brains of STZ-induced mice were also detected by supplementing CLHs (P < 0.05). In conclusion, the results from this study offer not only scientific evidence on the amelioration of insulin resistance and cognitive decline in hyperglycemia but also add value to this byproduct.
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Affiliation(s)
- Wei-Yu Yeh
- Department of Animal Science and Technology, National Taiwan University, Taipei City 106, Taiwan
| | - Yi-Ling Lin
- Department of Animal Science and Technology, National Taiwan University, Taipei City 106, Taiwan
| | - Wen-Yuan Yang
- Department of Veterinary Medicine, School of Veterinary Medicine, National Taiwan University, Taipei City 106, Taiwan
| | - Chung-Hsi Chou
- Department of Veterinary Medicine, School of Veterinary Medicine, National Taiwan University, Taipei City 106, Taiwan; Zoonoses Research Center, National Taiwan University, Taipei City 106, Taiwan
| | - Yi-Hsieng Samuel Wu
- Department of Animal Science and Technology, National Taiwan University, Taipei City 106, Taiwan
| | - Yi-Chen Chen
- Department of Animal Science and Technology, National Taiwan University, Taipei City 106, Taiwan.
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21
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Tagawa R, Kobayashi M, Sakurai M, Yoshida M, Kaneko H, Mizunoe Y, Nozaki Y, Okita N, Sudo Y, Higami Y. Long-Term Dietary Taurine Lowers Plasma Levels of Cholesterol and Bile Acids. Int J Mol Sci 2022; 23:ijms23031793. [PMID: 35163722 PMCID: PMC8836270 DOI: 10.3390/ijms23031793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 01/29/2022] [Accepted: 02/02/2022] [Indexed: 11/16/2022] Open
Abstract
Cholesterol is an essential lipid in vertebrates, but excess blood cholesterol promotes atherosclerosis. In the liver, cholesterol is metabolized to bile acids by cytochrome P450, family 7, subfamily a, polypeptide 1 (CYP7A1), the transcription of which is negatively regulated by the ERK pathway. Fibroblast growth factor 21 (FGF21), a hepatokine, induces ERK phosphorylation and suppresses Cyp7a1 transcription. Taurine, a sulfur-containing amino acid, reportedly promotes cholesterol metabolism and lowers blood and hepatic cholesterol levels. However, the influence of long-term feeding of taurine on cholesterol levels and metabolism remains unclear. Here, to evaluate the more chronic effects of taurine on cholesterol levels, we analyzed mice fed a taurine-rich diet for 14-16 weeks. Long-term feeding of taurine lowered plasma cholesterol and bile acids without significantly changing other metabolic parameters, but hardly affected these levels in the liver. Moreover, taurine upregulated Cyp7a1 levels, while downregulated phosphorylated ERK and Fgf21 levels in the liver. Likewise, taurine-treated Hepa1-6 cells, a mouse hepatocyte line, exhibited downregulated Fgf21 levels and upregulated promoter activity of Cyp7a1. These results indicate that taurine promotes cholesterol metabolism by suppressing the FGF21/ERK pathway followed by upregulating Cyp7a1 expression. Collectively, this study shows that long-term feeding of taurine lowers both plasma cholesterol and bile acids, reinforcing that taurine effectively prevents hypercholesterolemia.
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Affiliation(s)
- Ryoma Tagawa
- Department of Medicinal and Life Sciences, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba 278-8510, Japan; (R.T.); (M.S.); (M.Y.); (H.K.); (Y.N.); (Y.S.)
| | - Masaki Kobayashi
- Department of Medicinal and Life Sciences, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba 278-8510, Japan; (R.T.); (M.S.); (M.Y.); (H.K.); (Y.N.); (Y.S.)
- Correspondence: (M.K.); (Y.H.); Tel.: +81-4-7121-3676 (M.K.); +81-4-7121-3675 (Y.H.)
| | - Misako Sakurai
- Department of Medicinal and Life Sciences, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba 278-8510, Japan; (R.T.); (M.S.); (M.Y.); (H.K.); (Y.N.); (Y.S.)
| | - Maho Yoshida
- Department of Medicinal and Life Sciences, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba 278-8510, Japan; (R.T.); (M.S.); (M.Y.); (H.K.); (Y.N.); (Y.S.)
| | - Hiroki Kaneko
- Department of Medicinal and Life Sciences, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba 278-8510, Japan; (R.T.); (M.S.); (M.Y.); (H.K.); (Y.N.); (Y.S.)
| | - Yuhei Mizunoe
- Department of Internal Medicine Endocrinology and Metabolism, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Japan;
| | - Yuka Nozaki
- Department of Medicinal and Life Sciences, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba 278-8510, Japan; (R.T.); (M.S.); (M.Y.); (H.K.); (Y.N.); (Y.S.)
| | - Naoyuki Okita
- Division of Pathological Biochemistry, Faculty of Pharmaceutical Sciences, Sanyo-Onoda City University, Yamaguchi 756-0884, Japan;
| | - Yuka Sudo
- Department of Medicinal and Life Sciences, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba 278-8510, Japan; (R.T.); (M.S.); (M.Y.); (H.K.); (Y.N.); (Y.S.)
| | - Yoshikazu Higami
- Department of Medicinal and Life Sciences, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba 278-8510, Japan; (R.T.); (M.S.); (M.Y.); (H.K.); (Y.N.); (Y.S.)
- Division of Integrated Research, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba 278-0022, Japan
- Correspondence: (M.K.); (Y.H.); Tel.: +81-4-7121-3676 (M.K.); +81-4-7121-3675 (Y.H.)
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22
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Roşca AE, Vlădăreanu AM, Mirica R, Anghel-Timaru CM, Mititelu A, Popescu BO, Căruntu C, Voiculescu SE, Gologan Ş, Onisâi M, Iordan I, Zăgrean L. Taurine and Its Derivatives: Analysis of the Inhibitory Effect on Platelet Function and Their Antithrombotic Potential. J Clin Med 2022; 11:jcm11030666. [PMID: 35160118 PMCID: PMC8837186 DOI: 10.3390/jcm11030666] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/23/2022] [Accepted: 01/26/2022] [Indexed: 11/16/2022] Open
Abstract
Taurine is a semi-essential, the most abundant free amino acid in the human body, with a six times higher concentration in platelets than any other amino acid. It is highly beneficial for the organism, has many therapeutic actions, and is currently approved for heart failure treatment in Japan. Taurine has been repeatedly reported to elicit an inhibitory action on platelet activation and aggregation, sustained by in vivo, ex vivo, and in vitro animal and human studies. Taurine showed effectiveness in several pathologies involving thrombotic diathesis, such as diabetes, traumatic brain injury, acute ischemic stroke, and others. As human prospective studies on thrombosis outcome are very difficult to carry out, there is an obvious need to validate existing findings, and bring new compelling data about the mechanisms underlying taurine and derivatives antiplatelet action and their antithrombotic potential. Chloramine derivatives of taurine proved a higher stability and pronounced selectivity for platelet receptors, raising the assumption that they could represent future potential antithrombotic agents. Considering that taurine and its analogues display permissible side effects, along with the need of finding new, alternative antithrombotic drugs with minimal side effects and long-term action, the potential clinical relevance of this fascinating nutrient and its derivatives requires further consideration.
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Affiliation(s)
- Adrian Eugen Roşca
- Department of Physiology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (C.-M.A.-T.); (C.C.); (S.E.V.); (L.Z.)
- Department of Cardiology, Emergency University Hospital of Bucharest, 050098 Bucharest, Romania
- Correspondence: (A.E.R.); (A.-M.V.)
| | - Ana-Maria Vlădăreanu
- Department of Hematology, “Carol Davila” University of Medicine and Pharmacy, Emergency University Hospital of Bucharest, 050098 Bucharest, Romania; (A.M.); (M.O.); (I.I.)
- Correspondence: (A.E.R.); (A.-M.V.)
| | - Radu Mirica
- Department of Surgery, “Carol Davila” University of Medicine and Pharmacy, “Sf. Ioan” Clinical Hospital, 042122 Bucharest, Romania;
| | - Cristina-Mihaela Anghel-Timaru
- Department of Physiology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (C.-M.A.-T.); (C.C.); (S.E.V.); (L.Z.)
| | - Alina Mititelu
- Department of Hematology, “Carol Davila” University of Medicine and Pharmacy, Emergency University Hospital of Bucharest, 050098 Bucharest, Romania; (A.M.); (M.O.); (I.I.)
| | - Bogdan Ovidiu Popescu
- Department of Neurology, “Carol Davila” University of Medicine and Pharmacy, Colentina Clinical Hospital, 020125 Bucharest, Romania;
| | - Constantin Căruntu
- Department of Physiology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (C.-M.A.-T.); (C.C.); (S.E.V.); (L.Z.)
- Department of Dermatology, “Prof. N.C. Paulescu” National Institute of Diabetes, Nutrition and Metabolic Diseases, 011233 Bucharest, Romania
| | - Suzana Elena Voiculescu
- Department of Physiology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (C.-M.A.-T.); (C.C.); (S.E.V.); (L.Z.)
| | - Şerban Gologan
- Department of Gastroenterology, “Carol Davila” University of Medicine and Pharmacy, Elias Clinical Hospital, 011461 Bucharest, Romania;
| | - Minodora Onisâi
- Department of Hematology, “Carol Davila” University of Medicine and Pharmacy, Emergency University Hospital of Bucharest, 050098 Bucharest, Romania; (A.M.); (M.O.); (I.I.)
| | - Iuliana Iordan
- Department of Hematology, “Carol Davila” University of Medicine and Pharmacy, Emergency University Hospital of Bucharest, 050098 Bucharest, Romania; (A.M.); (M.O.); (I.I.)
- Department of Medical Semiology and Nephrology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Leon Zăgrean
- Department of Physiology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (C.-M.A.-T.); (C.C.); (S.E.V.); (L.Z.)
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23
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Ma J, Yang Z, Jia S, Yang R. A systematic review of preclinical studies on the taurine role during diabetic nephropathy: focused on anti-oxidative, anti-inflammation, and anti-apoptotic effects. Toxicol Mech Methods 2022; 32:420-430. [PMID: 34933643 DOI: 10.1080/15376516.2021.2021579] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Diabetic nephropathy is one of the most important and growing diseases globally and the leading cause of cardiovascular mortality in these patients. Taurine is an amino acid that has pleiotropic protective properties on some diseases. This study aimed to investigate the potential role of taurine in the treatment of diabetes-induced nephropathy. To achieve the aim of the present study, a comprehensive systematic search based on PRISMA guidelines has been conducted up to August 2021. A total of 382 articles were found in the electronic databases based on search keywords. After doing the screening, 14 articles were included in the present systematic review. The dated demonstrated elevation of oxidative stress, inflammatory and apoptotic pathways, and changes in other molecules' function plays an essential role in diabetes-induced renal tissue damage. Due to its multiple protective effects, taurine significantly prevented the activation of the pathways mentioned above and altered the function of molecules involved in these pathways, resulting in alleviating diabetic nephropathy. According to the obtained results, it was found that taurine can mitigate diabetes-induced nephropathy, mainly through its anti-oxidant activity, which is an essential factor in activating inflammation and apoptosis pathways.
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Affiliation(s)
- Jingru Ma
- Clinical Laboratory, The Second Hospital of Jilin University, Changchun, China
| | - Zecheng Yang
- Department of Gastrointestinal Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Shengnan Jia
- Department of Hepatopancreatobiliary Medicine, The Second Hospital of Jilin University, Changchun, China
| | - Rui Yang
- Department of Gastroenterology, The Second Hospital of Jilin University, Changchun, China
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24
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Surai PF, Earle-Payne K, Kidd MT. Taurine as a Natural Antioxidant: From Direct Antioxidant Effects to Protective Action in Various Toxicological Models. Antioxidants (Basel) 2021; 10:1876. [PMID: 34942978 PMCID: PMC8698923 DOI: 10.3390/antiox10121876] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 11/21/2021] [Accepted: 11/23/2021] [Indexed: 12/18/2022] Open
Abstract
Natural antioxidants have received tremendous attention over the last 3 decades. At the same time, the attitude to free radicals is slowly changing, and their signalling role in adaptation to stress has recently received a lot of attention. Among many different antioxidants in the body, taurine (Tau), a sulphur-containing non-proteinogenic β-amino acid, is shown to have a special place as an important natural modulator of the antioxidant defence networks. Indeed, Tau is synthesised in most mammals and birds, and the Tau requirement is met by both synthesis and food/feed supply. From the analysis of recent data, it could be concluded that the direct antioxidant effect of Tau due to scavenging free radicals is limited and could be expected only in a few mammalian/avian tissues (e.g., heart and eye) with comparatively high (>15-20 mM) Tau concentrations. The stabilising effects of Tau on mitochondria, a prime site of free radical formation, are characterised and deserve more attention. Tau deficiency has been shown to compromise the electron transport chain in mitochondria and significantly increase free radical production. It seems likely that by maintaining the optimal Tau status of mitochondria, it is possible to control free radical production. Tau's antioxidant protective action is of great importance in various stress conditions in human life, and is related to commercial animal and poultry production. In various in vitro and in vivo toxicological models, Tau showed AO protective effects. The membrane-stabilizing effects, inhibiting effects on ROS-producing enzymes, as well as the indirect AO effects of Tau via redox balance maintenance associated with the modulation of various transcription factors (e.g., Nrf2 and NF-κB) and vitagenes could also contribute to its protective action in stress conditions, and thus deserve more attention.
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Affiliation(s)
- Peter F. Surai
- Vitagene and Health Research Centre, Bristol BS4 2RS, UK
- Department of Microbiology and Biochemistry, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, Bulgaria
- Biochemistry and Physiology Department, Saint-Petersburg State University of Veterinary Medicine, 196084 St. Petersburg, Russia
- Department of Animal Nutrition, Faculty of Agricultural and Environmental Sciences, Szent Istvan University, H-2103 Gödöllo, Hungary
| | - Katie Earle-Payne
- NHS Greater Glasgow and Clyde, Renfrewshire Health and Social Care Centre, 10 Ferry Road, Renfrew PA4 8RU, UK;
| | - Michael T. Kidd
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA;
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25
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Owumi SE, Popoola O, Otunla MT, Okuu UA, Najophe ES. Benzo-a-pyrene-induced reproductive toxicity was abated in rats co-treated with taurine. TOXIN REV 2021. [DOI: 10.1080/15569543.2021.1949617] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Solomon E. Owumi
- ChangeLab, Cancer Research and Molecular Biology Laboratory, Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeria
| | - Opeoluwa Popoola
- ChangeLab, Cancer Research and Molecular Biology Laboratory, Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeria
| | - Moses T. Otunla
- ChangeLab, Cancer Research and Molecular Biology Laboratory, Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeria
| | - Uche A. Okuu
- Cancer Immunology and Biotechnology, The University of Nottingham, Nottingham, UK
| | - Eseroghene S. Najophe
- Nutrition and Industrial Biochemistry Research Laboratory, Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeria
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26
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Changes in Plasma Metabolome Profiles Following Oral Glucose Challenge among Adult Chinese. Nutrients 2021; 13:nu13051474. [PMID: 33925473 PMCID: PMC8146292 DOI: 10.3390/nu13051474] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/20/2021] [Accepted: 04/23/2021] [Indexed: 01/07/2023] Open
Abstract
Little is known about changes in plasma metabolome profiles during the oral glucose tolerance test (OGTT) in Chinese. We aimed to characterize plasma metabolomic profiles at 0 and 2 h of OGTT and their changes in individuals of different glycemic statuses. A total of 544 metabolites were detected at 0 and 2 h of OGTT by a nontarget strategy in subjects with normal glucose (n = 234), prediabetes (n = 281), and newly diagnosed type 2 diabetes (T2D) (n = 66). Regression model, mixed model, and partial least squares discrimination analysis were applied. Compared with subjects of normal glucose, T2D cases had significantly higher levels of glycerone at 0 h and 22 metabolites at 2 h of OGTT (false discovery rate (FDR) < 0.05, variable importance in projection (VIP) > 1). Seven of the twenty-two metabolites were also significantly higher in T2D than in prediabetes subjects at 2 h of OGTT (FDR < 0.05, VIP > 1). Two hours after glucose challenge, concentrations of 35 metabolites (normal: 18; prediabetes: 23; T2D: 13) significantly increased (FDR < 0.05, VIP > 1, fold change (FC) > 1.2), whereas those of 45 metabolites (normal: 36; prediabetes: 29; T2D: 18) significantly decreased (FDR < 0.05, VIP > 1, FC < 0.8). Distinct responses between cases and noncases were detected in metabolites including 4-imidazolone-5-acetate and 4-methylene-L-glutamine. More varieties of distinct metabolites across glycemic statuses were observed at 2 h of OGTT compared with fasting state. Whether the different patterns and responsiveness of certain metabolites in T2D reflect a poor resilience of specific metabolic pathways in regaining glucose homeostasis merits further study.
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Liu PJ, Liu Y, Ma L, Liu L, Hu T, An Z, Yao AM, Xia LY. The relationship between plasma taurine levels in early pregnancy and later gestational diabetes mellitus risk in Chinese pregnant women. Sci Rep 2021; 11:7993. [PMID: 33846497 PMCID: PMC8041762 DOI: 10.1038/s41598-021-87178-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 03/23/2021] [Indexed: 11/30/2022] Open
Abstract
Taurine is a sulfur-containing amino acid that plays an important role in glucose homeostasis. However, it remains unknown whether the plasma concentration of taurine affects the risk of later gestational diabetes mellitus (GDM) development. We recruited 398 singleton-pregnancy women and followed up them during the course of pregnancy. We measured the plasma concentrations of taurine based on blood samples collected at nine-week gestation on average and obtained the data regarding both mothers and their infants from medical records. There was a significant increment in the mean value of HOMA-β across the tertiles of plasma taurine in multiparous women rather than in primiparous women. After adjustment for confounders, an increase of plasma taurine was nominally and significantly associated with a decrease risk of GDM; moreover, women with plasma taurine concentrations in the lowest tertile and in the second tertile had a higher risk of GDM than did those with plasma taurine in the top tertile in multiparous women other than primiparous women. Plasma taurine level seems to be associated with insulin secretion in early pregnancy and be more closely associated with β-cell function and the risk of GDM development in multiparas in comparison to primiparas.
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Affiliation(s)
- Peng Ju Liu
- Department of Clinical Nutrition, Peking Union Medical College Hospital, China Academic Medical Science and Peking Union Medical College, Beijing, 100730, People's Republic of China
| | - Yanping Liu
- Department of Clinical Nutrition, Peking Union Medical College Hospital, China Academic Medical Science and Peking Union Medical College, Beijing, 100730, People's Republic of China.
| | - Liangkun Ma
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, China Academic Medical Science and Peking Union Medical College, Beijing, 100730, People's Republic of China.
| | - Lihong Liu
- Pharmacy Department of Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, People's Republic of China
| | - Ting Hu
- Pharmacy Department of Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, People's Republic of China
| | - Zhuoling An
- Pharmacy Department of Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, People's Republic of China
| | - Ai Min Yao
- Department of Gynaecology and Obstetrics, Shunyi Women's and Children's Hospital, Beijing, People's Republic of China
| | - Liang Yu Xia
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Peking Union Medical College Hospital, China Academic Medical Science and Peking Union Medical College, Beijing, 100730, People's Republic of China
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Zhang M, Shi X, Luo M, Lan Q, Ullah H, Zhang C, Li S, Chen X, Wang Y, Piao F. Taurine ameliorates axonal damage in sciatic nerve of diabetic rats and high glucose exposed DRG neuron by PI3K/Akt/mTOR-dependent pathway. Amino Acids 2021; 53:395-406. [PMID: 33598769 DOI: 10.1007/s00726-021-02957-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 02/04/2021] [Indexed: 10/22/2022]
Abstract
Diabetic peripheral neuropathy (DPN) is a common complication of diabetes and axonopathy is its main pathological feature. Previous studies suggested an advantage of taurine against diabetes. However, there are few reports which study the effect of taurine against axonopathy. In this study, we confirmed that taurine significantly decreased blood glucose level, mitigated insulin resistance and improved dysfunctional nerve conduction in diabetic rats. Taurine corrected damaged axonal morphology of sciatic nerve in diabetic rats and induced axon outgrowth of Dorsal root ganglion (DRG) neurons exposed to high glucose. Taurine up-regulated phosphorylation levels of PI3K, Akt, and mTOR in sciatic nerve of diabetic rats and DRG neurons exposed to high glucose. However, Akt and mTOR inhibitors (MK-2206 and Rapamycin) blocked the effect of taurine on improving axonal damage. These results indicate that taurine ameliorates axonal damage in sciatic nerve of diabetic rats by activating PI3K/Akt/mTOR signal pathway. Our findings provide taurine as a potential candidate for axonopathy and a new evidence for elucidating protective mechanism of taurine on DPN.
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Affiliation(s)
- Mengren Zhang
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, 116044, China
| | - Xiaoxia Shi
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, 116044, China.,Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Mengxin Luo
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, 116044, China
| | - Qi Lan
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, 116044, China
| | - Hayan Ullah
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Cong Zhang
- Department of Food Nutrition and Safety, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Shuangyue Li
- Department of Occupational and Environmental Health, Dalian Medical University, Dalian, 116044, China
| | - Xiaochi Chen
- Department of Urology, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yachen Wang
- Department of Regenerative Medicine Center and Stem Cell Clinical Research Center, The First Affiliated Hospital of Dalian Medical University, Dalian, 116011, China.
| | - Fengyuan Piao
- Department of Integrative Laboratory, Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, China.
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Zhang Y, Wei Z, Yang M, Liu D, Pan M, Wu C, Zhang W, Mai K. Dietary taurine modulates hepatic oxidative status, ER stress and inflammation in juvenile turbot (Scophthalmus maximus L.) fed high carbohydrate diets. FISH & SHELLFISH IMMUNOLOGY 2021; 109:1-11. [PMID: 33285166 DOI: 10.1016/j.fsi.2020.11.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 11/26/2020] [Accepted: 11/30/2020] [Indexed: 06/12/2023]
Abstract
This study was conducted to explore the beneficial role of taurine against chronic high carbohydrate diet-induced oxidative stress, endoplasmic reticulum (ER) stress and inflammation, and to understand the underlying molecular mechanisms in turbot. Two 10-week feeding trials were simultaneously conducted. For the one, six experimental diets with graded levels of taurine supplementation (0, 0.4%, 0.8%, 1.2%, 1.6% and, 2.0%, respectively) and 15% of carbohydrate were used. For the other one, three graded levels of dietary taurine supplementation (0.4%, 1.2% and 2.0%, respectively) with 21% of carbohydrate were used. The results showed that higher expression level of inflammation cytokines and ER stress related genes were detected in higher dietary carbohydrate group. In both feeding trials, 1.2% of dietary taurine supplementation improved anti-oxidative status by decreasing the content of malondialdehyde, increasing the catalase activity and total anti-oxidative capacities. In feeding trial 1, appropriate taurine supplementation lowered contents of tumour necrosis factor-a, interleukin-6, aspartate aminotransferase and alkaline phosphatase in plasma, and decreased the expressions of pro-inflammatory cytokines, such as interleukin-8 (il-8) and interferon-γ (ifn-γ). Furthermore, dietary taurine reduced ER stress by decreasing the mRNA levels of activating transcription factor 6, protein kinase R-like endoplasmic reticulum kinase and G protein-coupled receptor 78. The optimal dietary taurine content was estimated as 1.40% based on the analysis of specific growth rate. In feeding trial 2, dietary taurine supplementation attenuated liver inflammation partly referring to significantly down-regulated mRNA levels of nuclear transcription factor-κB p65, ifn-γ, interleukin1β and up-regulate the transcript of ribosomal protein S6 kinase 1. Dietary taurine supplementation in feeding trial 2 significantly increased the Nrf2-related factor 2 protein level and decreased the NFκB p65 protein level only at 21% of dietary carbohydrate level. Taurine can alleviate the oxidative damage and inflammation caused by 21% of dietary carbohydrate to a certain degree. Overall, the present study confirmed that dietary taurine supplementation improved growth performance and anti-oxidative response, and reduced liver inflammatory and ER stress processes induced by high dietary carbohydrate in turbot.
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Affiliation(s)
- Yue Zhang
- The Key Laboratory of Aquaculture Nutrition and Feeds, Ministry of Agriculture and Rural Affairs, The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, PR China
| | - Zehong Wei
- State Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, 410081, China
| | - Mengxi Yang
- The Key Laboratory of Aquaculture Nutrition and Feeds, Ministry of Agriculture and Rural Affairs, The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, PR China
| | - Danni Liu
- The Key Laboratory of Aquaculture Nutrition and Feeds, Ministry of Agriculture and Rural Affairs, The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, PR China
| | - Mingzhu Pan
- The Key Laboratory of Aquaculture Nutrition and Feeds, Ministry of Agriculture and Rural Affairs, The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, PR China
| | - Chenglong Wu
- School of Life Science, Huzhou University, Huzhou, 313000, China
| | - Wenbing Zhang
- The Key Laboratory of Aquaculture Nutrition and Feeds, Ministry of Agriculture and Rural Affairs, The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, PR China.
| | - Kangsen Mai
- The Key Laboratory of Aquaculture Nutrition and Feeds, Ministry of Agriculture and Rural Affairs, The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, PR China
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30
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Li J, Ding H, Meng Y, Li G, Fu Q, Guo Q, Yin Z, Ye Z, Zhou H, Shen N. Taurine Metabolism Aggravates the Progression of Lupus by Promoting the Function of Plasmacytoid Dendritic Cells. Arthritis Rheumatol 2020; 72:2106-2117. [PMID: 32608557 DOI: 10.1002/art.41419] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Revised: 05/21/2020] [Accepted: 06/16/2020] [Indexed: 12/30/2022]
Abstract
OBJECTIVE Type I interferons (IFNs) are critical in the development of systemic lupus erythematosus (SLE). Metabolic abnormalities cause dysregulation of multiple immune cells, but the metabolic regulation of type I IFN production is not well clarified in SLE. We undertook this study to define amino acid metabolism features in SLE and to explore the function of disease-relevant metabolites in the control of plasmacytoid dendritic cell (pDC)-mediated type I IFN production and the progression of SLE. METHODS Metabolomic profiling of the serum from SLE patients and healthy controls was performed by mass spectrometry. The effects of SLE-related metabolites on type I IFN production were explored in human and mouse pDCs. The reactive oxygen species (ROS) levels of pDCs from wild-type and Ncf1-/- mice were measured by flow cytometry. Mechanisms were investigated by RNA sequencing and immunoblotting. In vivo effects of SLE-relevant metabolites were systemically analyzed in B6.Cg-Sle1NZM2410/Aeg Yaa/DcrJ mice. RESULTS Taurine was higher in the serum from SLE patients compared to healthy controls (P < 0.001) and rheumatoid arthritis patients (P < 0.001). Taurine content was positively correlated with disease activity and the expression of IFN signature genes. The addition of taurine facilitated IFN regulatory factor 7 phosphorylation and enhanced type I IFN production by reducing the ROS levels in pDCs in a neutrophil cytosolic factor 1-dependent manner. Taurine supplementation promoted expression of type I IFN-induced genes, activated lymphocytes, and increased autoantibodies and proteinuria, leading to more serious nephritis. CONCLUSION Taurine metabolism is involved in the development of SLE by enhancing pDC-mediated type I IFN production. Targeted inhibition of taurine or implementation of a taurine-restricted diet has therapeutic potential in SLE.
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Affiliation(s)
- Jun Li
- Shanghai Institute of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Huihua Ding
- Shanghai Institute of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yao Meng
- Shanghai Institute of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Guanhua Li
- Shanghai Institute of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Qiong Fu
- Shanghai Institute of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Qiang Guo
- Shanghai Institute of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhihua Yin
- Shenzhen Futian Hospital for Rheumatic Diseases, Shenzhen, China
| | - Zhizhong Ye
- Shenzhen Futian Hospital for Rheumatic Diseases, Shenzhen, China
| | - Haibo Zhou
- Shanghai Institute of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China, and Shenzhen Futian Hospital for Rheumatic Diseases, Shenzhen, China
| | - Nan Shen
- Shanghai Institute of Rheumatology, State Key Laboratory of Oncogenes and Related Genes, and Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China, and Shenzhen Futian Hospital for Rheumatic Diseases, Shenzhen, China, and Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, and University of Cincinnati College of Medicine, Cincinnati, Ohio, United States
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31
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Yu M, Wang Y, Li P, Li M, Gao X. Taurine attenuates gossypol-induced apoptosis of C2C12 mouse myoblasts via the GPR87-AMPK/AKT signaling. Amino Acids 2020; 52:1285-1298. [PMID: 32918616 DOI: 10.1007/s00726-020-02888-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Accepted: 09/05/2020] [Indexed: 12/24/2022]
Abstract
Gossypol, a toxic polyphenol extracted from cotton seeds, is hazardous to human and animal health. Taurine is considered as an essential or semi-essential amino acid and has diverse cytoprotective effects. This study was aimed to investigate the protective effect and molecular mechanism of taurine against apoptosis of C2C12 mouse myoblasts induced by gossypol. C2C12 mouse myoblasts were exposed to gossypol (0, 1 nM, 10 nM, 100 nM, 1 μM, and 10 μM). Cell numbers were rapidly decreased with increasing concentrations of gossypol. Gossypol significantly induced apoptosis, decreased Bcl2 expression, and increased the protein levels of Bax and the cleaved caspase 3. Taurine (0.24 mM) treatment largely rescued the cell number decreased by gossypol, attenuated gossypol-induced cell apoptosis. GPR87 knockdown abolished the inhibition by taurine of cell apoptosis. Furthermore, GPR87 overexpression attenuated cell apoptosis induced by gossypol. Both taurine treatment and GPR87 overexpression stimulated AKT phosphorylation but inhibited AMPK phosphorylation, whereas gossypol had the opposite effects. Taurine treatment promoted GPR87 expression and subcellular localization and partially rescued the inhibition of gossypol on this expression. In summary, these data reveal that taurine attenuates gossypol-induced apoptosis of C2C12 mouse myoblasts via the GPR87-AMPK/AKT signaling.
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Affiliation(s)
- Mengmeng Yu
- College of Animal Science, Yangtze University, Jingzhou, 434020, China
| | - Yang Wang
- College of Animal Science, Yangtze University, Jingzhou, 434020, China
| | - Ping Li
- College of Animal Science, Yangtze University, Jingzhou, 434020, China
| | - Meng Li
- College of Animal Science, Yangtze University, Jingzhou, 434020, China
| | - Xuejun Gao
- College of Animal Science, Yangtze University, Jingzhou, 434020, China.
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Rehman T, Shabbir MA, Inam‐Ur‐Raheem M, Manzoor MF, Ahmad N, Liu Z, Ahmad MH, Siddeeg A, Abid M, Aadil RM. Cysteine and homocysteine as biomarker of various diseases. Food Sci Nutr 2020; 8:4696-4707. [PMID: 32994931 PMCID: PMC7500767 DOI: 10.1002/fsn3.1818] [Citation(s) in RCA: 102] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 07/03/2020] [Accepted: 07/18/2020] [Indexed: 12/16/2022] Open
Abstract
Cysteine and homocysteine (Hcy), both sulfur-containing amino acids (AAs), produced from methionine another sulfur-containing amino acid, which is converted to Hcy and further converted to cysteine. This article aims to highlight the link between cysteine and Hcy, and their mechanisms, important functions, play in the body and their role as a biomarker for various types of diseases. So that using cysteine and Hcy as a biomarker, we can prevent and diagnose many diseases. This review concluded that hyperhomocysteinemia (elevated levels of homocysteine) is considered as toxic for cells and is associated with different health problems. Hyperhomocysteinemia and low levels of cysteine associated with various diseases like cardiovascular diseases (CVD), ischemic stroke, neurological disorders, diabetes, cancer like lung and colorectal cancer, renal dysfunction-linked conditions, and vitiligo.
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Affiliation(s)
- Tahniat Rehman
- National Institute of Food Science and TechnologyUniversity of AgricultureFaisalabadPakistan
| | - Muhammad Asim Shabbir
- National Institute of Food Science and TechnologyUniversity of AgricultureFaisalabadPakistan
| | - Muhammad Inam‐Ur‐Raheem
- National Institute of Food Science and TechnologyUniversity of AgricultureFaisalabadPakistan
| | | | - Nazir Ahmad
- Institute of Home and Food SciencesGovernment College UniversityFaisalabadPakistan
| | - Zhi‐Wei Liu
- College of Food Science and TechnologyHunan Agricultural UniversityChangshaChina
| | | | - Azhari Siddeeg
- Department of Food Engineering and TechnologyFaculty of Engineering and TechnologyUniversity GeziraWad MedaniSudan
| | - Muhammad Abid
- Institute of Food and Nutritional SciencesPir Mehr Ali Shah Arid Agriculture UniversityRawalpindiPakistan
| | - Rana Muhammad Aadil
- National Institute of Food Science and TechnologyUniversity of AgricultureFaisalabadPakistan
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Li Y, Dai C, Yuan Y, You L, Yuan Q. The mechanisms of lncRNA Tug1 in islet dysfunction in a mouse model of intrauterine growth retardation. Cell Biochem Funct 2020; 38:1129-1138. [PMID: 32869325 DOI: 10.1002/cbf.3575] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 05/22/2020] [Accepted: 05/25/2020] [Indexed: 12/11/2022]
Abstract
Taurine upregulated gene 1 (Tug1) is a novel lncRNA that participates in growth, and the abnormal expression of Tug1 related to mouse islet cell dysfunction. A recent study revealed that intrauterine growth retardation (IUGR) related to the pathogenesis of diabetes. Here, we aimed to explore the role and mechanism of Tug1 in IUGR-mediated islet dysfunction. We observed that newborn IUGR mice had lower body and pancreas weight and smaller islets than newborn control mice. After IUGR mice were given a normal diet, they showed catch-up growth and abnormal glucose tolerance; however, the pancreas/body weight ratio remained low. Blood glucose, serum insulin and related gene expression showed mild recovery after overexpression of Tug1 in IUGR mice. Furthermore, Tug1 was enriched in the nuclei of MIN6 cells. Using RIP and CHIP analyses we found that Tug1 could regulate Hes1 expression by binding to EZH2 to affect insulin synthesis in MIN6 cells. These findings indicate that lncRNA Tug1 could regulate the expression of Hes1 via EZH2-driven H3K27 methylation and affect insulin production. SIGNIFICANCE OF THE STUDY: This study suggests Tug1 as a novel biomarker, as it was shown to regulate β cell function and is worthy of further investigation due to its potential for diabetes treatment.
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Affiliation(s)
- Yihui Li
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Chengting Dai
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yi Yuan
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Lianghui You
- Nanjing Maternity and Child Health Care Institute, Nanjing Maternity and Child Health Care Hospital Affiliated with Nanjing Medical University, Nanjing, China
| | - Qingxin Yuan
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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Taurine with combined aerobic and resistance exercise training alleviates myocardium apoptosis in STZ-induced diabetes rats via Akt signaling pathway. Life Sci 2020; 258:118225. [PMID: 32771557 DOI: 10.1016/j.lfs.2020.118225] [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: 07/04/2020] [Revised: 08/02/2020] [Accepted: 08/04/2020] [Indexed: 11/21/2022]
Abstract
AIM The aim of this study was considering the effects of taurine supplementation with combined aerobic and resistance training (CARE) on myocardial apoptosis and Protein Kinase B (akt) level changes in diabetic rat. MAIN METHODS Forty male Wistar rats were randomly divided in to 5 groups of 8 animals in each: 1) control, 2) Diabetes Mellitus (DM), 3) DM with taurine supplementation (DM/T), 4) DM with CARE (DM/CARE), and 5) DM with combination of taurine and CARE (DM/T/CARE). DM was induced by injection of streptozotocin (STZ) and nicotine amid (NA) for 2, 3, 4 and 5 groups. Supplement groups received taurine in gavage, 100 mg/kg of body weight, 6 day per weeks, 8 weeks. CARE was performed at maximal speed and 1RM (40-60% of maximum for both). KEY FINDINGS The results of this study showed that DM significantly increased blood glucose and caspase 3, caspase 9 expressions and apoptosis cells in heart tissue and reduced Akt expression (p < 0.001). However, taurine and CARE interventions significantly decreased apoptosis markers (caspase 3 and caspase 9) and significantly increased Akt in heart of diabetic rats compare to DM groups (p < 0.05). The highest improvement observed in DM/T/CARE group (p < 0.05). SIGNIFICANCE Based on these results, it seems that the use of taurine with combined aerobic and exercise training minimize the cardiac damage caused by diabetes (especially apoptosis) trough increasing protein kinase Akt expression. This could improve cardiac remodeling after diabetes. However, more research is needed, especially on the human samples.
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36
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Bkaily G, Jazzar A, Normand A, Simon Y, Al-Khoury J, Jacques D. Taurine and cardiac disease: state of the art and perspectives. Can J Physiol Pharmacol 2020; 98:67-73. [DOI: 10.1139/cjpp-2019-0313] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Taurine is a nonessential amino acid that has received much attention. Two organs, the heart and the brain, are known to produce their own taurine, but in very limited quantities. It is for this reason that supplementation with this amino acid is necessary. Today, taurine is present in almost all energy drinks. A very vast literature reported beneficial effects of taurine in hepatic dysfunction, gastrointestinal injury, kidney diseases, diabetes, and cardiovascular diseases. Most of its effects were attributed to its modulation of Ca2+homeostasis as well as to its antioxidant properties. In this review, we will focus on the current status of taurine modulation of the cardiovascular system and discuss future avenues for its use as a supplement therapy in a specific cardiovascular disease, namely hypertrophy, and heart failure.
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Affiliation(s)
- Ghassan Bkaily
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
| | - Ashley Jazzar
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
| | - Alexandre Normand
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
| | - Yanick Simon
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
| | - Johny Al-Khoury
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
| | - Danielle Jacques
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
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Maleki V, Mahdavi R, Hajizadeh-Sharafabad F, Alizadeh M. The effects of taurine supplementation on oxidative stress indices and inflammation biomarkers in patients with type 2 diabetes: a randomized, double-blind, placebo-controlled trial. Diabetol Metab Syndr 2020; 12:9. [PMID: 32015761 PMCID: PMC6990511 DOI: 10.1186/s13098-020-0518-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Accepted: 01/16/2020] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Reduced serum level of taurine in type 2 diabetes mellitus (T2DM) was shown to be associated with the metabolic alterations and clinical complications of diabetes. Dietary supplementation with taurine may attenuate oxidative stress and inflammatory responses in T2DM as well as alleviate diabetes-induced complications. Hence, this study evaluated the effect of taurine supplementation on oxidative stress and inflammatory biomarkers in patients with T2DM. METHODS Fifty patients with T2DM were randomly allocated to two groups to consume either taurine (containing 1000 mg taurine), or placebo (containing crystalline microcellulose) three times per day for 8 weeks. Anthropometric data, dietary intake, serum total antioxidant capacity (TAC), malondialdehyde (MDA), the activities of antioxidant enzymes superoxide dismutase (SOD) and catalase (CAT), serum levels of tumor necrosis factor alpha (TNF-α), interleukin 6 (IL-6) and high-sensitivity C-reactive protein (hs-CRP) were assessed before and after intervention. RESULTS There was a significant increase in SOD (5.1%, p = 0.004) and CAT (4.22%, p = 0.001) after 8 weeks of taurine supplementation. In addition, serum levels of MDA (26.33%, p = 0.001), hs-CRP (16.01%, p = 0.001), and TNF-α (11.65%, p = 0.03) significantly decreased in the taurine group compared with baseline. Following treatment, the taurine group had fewer serum levels of MDA (p = 0.04), hs-CRP (p = 0.002) and TNF-α (p = 0.006) than the placebo group. Also, a significant increase was observed in SOD (p = 0.007), and CAT (p = 0.001) in the taurine group compared with the placebo group. There were no differences in the serum levels of IL-6 or TAC. CONCLUSIONS The findings of this study showed that taurine supplementation improved some oxidative stress indices and inflammatory biomarkers in patients with T2DM.Trial registration The protocol of this clinical trial is registered with the Iranian Registry of Clinical Trials (http://www.IRCT.IR, identifier: IRCT20121028011288N16).
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Affiliation(s)
- Vahid Maleki
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Clinical Nutrition, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Mahdavi
- Department of Biochemistry and Dietetics, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatemeh Hajizadeh-Sharafabad
- Department of Clinical Nutrition, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Alizadeh
- Nutrition Research Center, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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38
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Supinski GS, Wang L, Schroder EA, Callahan LAP. Taurine administration ablates sepsis induced diaphragm weakness. Respir Physiol Neurobiol 2019; 271:103289. [PMID: 31505275 DOI: 10.1016/j.resp.2019.103289] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 08/23/2019] [Accepted: 09/05/2019] [Indexed: 12/15/2022]
Abstract
Infection induced diaphragm weakness is a major contributor to death and prolonged mechanical ventilation in critically ill patients. Infection induced muscle dysfunction is associated with activation of muscle proteolytic enzymes, and taurine is known to suppress proteolysis. We therefore postulated that taurine administration may prevent infection induced diaphragm dysfunction. The purpose of this study was to test this hypothesis using a clinically relevant animal model of infection, i.e. cecal ligation puncture induced sepsis (CLP). Studies were performed on (n = 5-7 mice/group): (a) sham operated controls, (b) animals with sepsis induced by CLP, (c) sham operated animals given taurine (75 mg/kg/d, intraperitoneally), and (d) CLP animals given taurine. At intervals after surgery animals were euthanized, diaphragm force generation measured in vitro, and diaphragm calpain, caspase and proteasomal activity determined. CLP elicited a large reduction in diaphragm specific force generation at 24 h (1-150 Hz, p < 0.001) and taurine significantly attenuated CLP induced diaphragm weakness at all stimulation frequencies (p < 0.001). CLP induced significant increases in diaphragm calpain, caspase and proteasomal activity; taurine administration prevented increases in the activity of all three pathways. In additional time course experiments, diaphragm force generation remained at control levels over 72 h in CLP animals treated with daily taurine administration, while CLP animals demonstrated severe, sustained reductions in diaphragm strength (p < 0.01 for all time points). Our results indicate that taurine administration prevents infection induced diaphragm weakness and reduces activation of three major proteolytic pathways. Because this agent is has been shown to be safe, non-toxic when administered to humans, taurine may have a role in treating infection induced diaphragm weakness. Future clinical studies will be needed to assess this possibility.
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Affiliation(s)
- Gerald S Supinski
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Kentucky, Lexington, KY, United States
| | - Lin Wang
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Kentucky, Lexington, KY, United States
| | - Elizabeth A Schroder
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Kentucky, Lexington, KY, United States
| | - Leigh Ann P Callahan
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Kentucky, Lexington, KY, United States.
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Yu M, Wang Y, Wang Z, Liu Y, Yu Y, Gao X. Taurine Promotes Milk Synthesis via the GPR87-PI3K-SETD1A Signaling in BMECs. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:1927-1936. [PMID: 30678459 DOI: 10.1021/acs.jafc.8b06532] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Taurine, a β-aminosulfonic acid, exerts many cellular physiological functions. It is still unknown whether taurine can regulate milk synthesis in the mammary gland. Therefore, in this study we investigated the effects and mechanism of taurine on milk synthesis in mammary epithelial cells (MECs). Bovine MECs (BMECs) cultured in FBS-free OPTI-MEMImedium were treated with taurine (0, 0.08, 0.16, 0.24, 0.32, and 0.4 mM). Taurine treatment led to increased milk protein and fat synthesis, mTOR phosphorylation, and SREBP-1c protein expression, in a dose-dependent manner, with an apparent maximum at 0.24 mM. Gene function study approaches revealed that the GPR87-PI3K-SETD1A signaling was required for taurine to increase the mTOR and SREBP-1c mRNA levels. Taurine stimulated GPR87 expression and cell membrane localization in a dose dependent manner, suggesting a sensing mechanism of GPR87 to extracellular taurine. Collectively, these data demonstrate that taurine promotes milk synthesis via the GPR87-PI3K-SETD1A signaling.
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Affiliation(s)
- Mengmeng Yu
- Agricultural College of Guangdong Ocean University , Zhanjiang , 524088 , China
| | - Yang Wang
- The Key Laboratory of Dairy Science of Education Ministry , Northeast Agricultural University , Harbin , 150030 , China
| | - Zhe Wang
- The Key Laboratory of Dairy Science of Education Ministry , Northeast Agricultural University , Harbin , 150030 , China
| | - Yanxu Liu
- The Key Laboratory of Dairy Science of Education Ministry , Northeast Agricultural University , Harbin , 150030 , China
| | - Yang Yu
- The Key Laboratory of Dairy Science of Education Ministry , Northeast Agricultural University , Harbin , 150030 , China
| | - Xuejun Gao
- Agricultural College of Guangdong Ocean University , Zhanjiang , 524088 , China
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Silva JCP, Mota M, Martins FO, Nogueira C, Gonçalves T, Carneiro T, Pinto J, Duarte D, Barros AS, Jones JG, Gil AM. Intestinal Microbial and Metabolic Profiling of Mice Fed with High-Glucose and High-Fructose Diets. J Proteome Res 2018; 17:2880-2891. [PMID: 29923728 DOI: 10.1021/acs.jproteome.8b00354] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Increased sugar intake is implicated in Type-2 diabetes and fatty liver disease; however, the mechanisms through which glucose and fructose promote these conditions are unclear. We hypothesize that alterations in intestinal metabolite and microbiota profiles specific to each monosaccharide are involved. Two groups of six adult C57BL/6 mice were fed for 10-weeks with diets with glucose (G) or fructose (F) as sole carbohydrates, and a third group was fed with a normal chow carbohydrate mixture (N). Fecal metabolites were profiled by nuclear magnetic resonance (NMR) and microbial composition by real-time polymerase chain reaction (qPCR). Although N, G and F mice exhibited similar weight gains (with slight slower gains for F) and glucose tolerance, multivariate analysis of NMR data indicated that F mice were separated from N and G, with decreased butyrate and glutamate and increased fructose, succinate, taurine, tyrosine, and xylose. The different sugar diets also resulted in distinct intestinal microbiota profiles. That associated with fructose seemed to hold more potential to induce host metabolic disturbances compared to glucose, mainly by promoting bile acid deconjugation and taurine release and compromising intestinal barrier integrity. This may reflect the noted nonquantitative intestinal fructose absorption hence increasing its availability for microbial metabolism, a subject for further investigation.
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Affiliation(s)
- João C P Silva
- CNC - Centre for Neuroscience and Cell Biology , University of Coimbra , Coimbra , Portugal
| | - Marta Mota
- CNC - Centre for Neuroscience and Cell Biology , University of Coimbra , Coimbra , Portugal.,Institute of Microbiology, Faculty of Medicine , University of Coimbra , Coimbra , Portugal
| | - Fátima O Martins
- CNC - Centre for Neuroscience and Cell Biology , University of Coimbra , Coimbra , Portugal.,CEDOC, NOVA Medical School , Universidade NOVA de Lisboa , Rua Câmara Pestana, n°6, 6A, edifício II, piso 3 , 1150-082 Lisbon , Portugal
| | - Célia Nogueira
- CNC - Centre for Neuroscience and Cell Biology , University of Coimbra , Coimbra , Portugal.,Institute of Microbiology, Faculty of Medicine , University of Coimbra , Coimbra , Portugal
| | - Teresa Gonçalves
- CNC - Centre for Neuroscience and Cell Biology , University of Coimbra , Coimbra , Portugal.,Institute of Microbiology, Faculty of Medicine , University of Coimbra , Coimbra , Portugal
| | - Tatiana Carneiro
- CICECO-Aveiro Institute of Materials and Department of Chemistry , University of Aveiro , Campus de Santiago , 3810-193 Aveiro , Portugal
| | - Joana Pinto
- CICECO-Aveiro Institute of Materials and Department of Chemistry , University of Aveiro , Campus de Santiago , 3810-193 Aveiro , Portugal.,UCIBIO@REQUIMTE/Toxicological Laboratory, Biological Science Department, Faculty of Pharmacy , University of Porto , 4050-313 Porto , Portugal
| | - Daniela Duarte
- CICECO-Aveiro Institute of Materials and Department of Chemistry , University of Aveiro , Campus de Santiago , 3810-193 Aveiro , Portugal
| | - António S Barros
- CICECO-Aveiro Institute of Materials and Department of Chemistry , University of Aveiro , Campus de Santiago , 3810-193 Aveiro , Portugal.,Department of Cardiothoracic Surgery and Physiology, Faculty of Medicine , University of Porto , 4200-319 , Porto , Portugal
| | - John G Jones
- CNC - Centre for Neuroscience and Cell Biology , University of Coimbra , Coimbra , Portugal.,CEDOC, NOVA Medical School , Universidade NOVA de Lisboa , Rua Câmara Pestana, n°6, 6A, edifício II, piso 3 , 1150-082 Lisbon , Portugal.,APDP - Portuguese Diabetes Association , Lisbon , Portugal
| | - Ana M Gil
- CICECO-Aveiro Institute of Materials and Department of Chemistry , University of Aveiro , Campus de Santiago , 3810-193 Aveiro , Portugal
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