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de María Márquez Álvarez C, Gómez-Crisóstomo NP, De la Cruz-Hernández EN, Zazueta C, Aguilar-Gamas CF, Martínez-Abundis E. Differential disruption on glucose and insulin metabolism in two rat models of diet-induced obesity, based on carbohydrates or lipids. Mol Cell Biochem 2023; 478:2481-2488. [PMID: 36867342 DOI: 10.1007/s11010-023-04677-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 02/13/2023] [Indexed: 03/04/2023]
Abstract
Obesity is a relevant health public issue and is the main factor for glucose metabolism dysregulation and diabetes progression; however, the differential role of a high-fat diet or high sugar diet consumption on glucose metabolism and insulin processing is not well understood and has been scarcely described. Our research aimed to analyze the effects of chronic consumption of both high sucrose and high-fat diets on glucose and insulin metabolism regulation. Wistar rats were fed with high-sugar or high-fat diets for 12 months; after that, fasting glucose and insulin levels were measured along with a glucose tolerance test (GTT). Proteins related to insulin synthesis and secretion were quantified in pancreas homogenates, whereas islets were isolated to analyze ROS generation and size measurement. Our results show that both diets induce metabolic syndrome, linked with central obesity, hyperglycemia, and insulin resistance. We observed alterations in the expression of proteins related with insulin synthesis and secretion, along with diminution of Langerhans islets size. Interestingly, the severity and number of alterations were more evident in the high-sugar diet than in the high-fat diet group. In conclusion, obesity and glucose metabolism dysregulation induced by carbohydrate consumption, led to worst outcomes than high-fat diet.
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Affiliation(s)
- Corazón de María Márquez Álvarez
- Laboratory for Research in Metabolic and Infectious Diseases, Multidisciplinary Academic Division of Comalcalco, Juarez Autonomous University of Tabasco, Ranchería Sur, Cuarta Sección, C.P., 86650, Comalcalco, Tabasco, México
| | - Nancy Patricia Gómez-Crisóstomo
- Laboratory for Research in Metabolic and Infectious Diseases, Multidisciplinary Academic Division of Comalcalco, Juarez Autonomous University of Tabasco, Ranchería Sur, Cuarta Sección, C.P., 86650, Comalcalco, Tabasco, México
| | - Erick Natividad De la Cruz-Hernández
- Laboratory for Research in Metabolic and Infectious Diseases, Multidisciplinary Academic Division of Comalcalco, Juarez Autonomous University of Tabasco, Ranchería Sur, Cuarta Sección, C.P., 86650, Comalcalco, Tabasco, México
| | - Cecilia Zazueta
- Departamento de Biomedicina Cardiovascular, Instituto Nacional de Cardiología, I. Ch. 14080, CDMX, México
| | - Carlos Francisco Aguilar-Gamas
- Laboratory for Research in Metabolic and Infectious Diseases, Multidisciplinary Academic Division of Comalcalco, Juarez Autonomous University of Tabasco, Ranchería Sur, Cuarta Sección, C.P., 86650, Comalcalco, Tabasco, México
| | - Eduardo Martínez-Abundis
- Laboratory for Research in Metabolic and Infectious Diseases, Multidisciplinary Academic Division of Comalcalco, Juarez Autonomous University of Tabasco, Ranchería Sur, Cuarta Sección, C.P., 86650, Comalcalco, Tabasco, México.
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Takagi K, Sugihira T, Kitamura M, Kawai M, Mitsuguchi Y, Tsukamoto K, Nakanishi H, Makino T. Inhibitory effect of Bofutsushosan (Fangfengtongshengsan) extract on the absorption of fructose in rats and mice. J Nat Med 2023; 77:535-543. [PMID: 37040005 DOI: 10.1007/s11418-023-01697-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 03/23/2023] [Indexed: 04/12/2023]
Abstract
Bofutsushosan (BTS; fangfengtongshengsan in Chinese) is a formula in traditional Japanese Kampo and Chinese medicine comprising 18 crude drugs and used to treat obesity and metabolic syndrome. In our previous study, BTS boiling water extract inhibited the uptake of fructose absorbed via glucose transporter 5 into cultured cells. In this study, the inhibitory effect of BTS extract on the absorption of fructose from the intestine was investigated in vivo. The extract of BTS was orally administered to rats at doses equivalent to 25-fold of the daily dose for humans. One minute after sample administration, fructose was orally administered and blood samples were collected from the jugular vein 0.5, 1, 1.5, 2, and 4 h after the administration of fructose. The absorption of fructose from the intestine was significantly reduced by treatment with BTS extract, and this in vivo study reproduced previous in vitro results. Subsequently, the blood samples were collected from the portal vein 30 min after the oral administration of fructose in mice. BTS extract significantly reduced fructose absorption in mice, and compared the effect of modified BTS samples by removing one to several crude drugs from BTS. We found that the dried rhizome of Rheum palmatum (RR) significantly contributed to the inhibitory effect of BTS on fructose absorption. We found sennoside A to be the active ingredient of RR for the inhibition of fructose absorption, and that its effect almost saturated at a dose of 3 mg/kg. These results support the action mechanisms of BTS when used for the treatment of obesity in clinics and drug stores.
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Affiliation(s)
- Kohei Takagi
- Basic Research and Development Division, Rohto Pharmaceutical Co., Ltd., 6-5-4 Kunimidai, Kizugawa, Kyoto, 619-0216, Japan
| | - Takashi Sugihira
- Basic Research and Development Division, Rohto Pharmaceutical Co., Ltd., 6-5-4 Kunimidai, Kizugawa, Kyoto, 619-0216, Japan
| | - Miho Kitamura
- Safety Design Center, Rohto Pharmaceutical Co., Ltd., 6-5-4 Kunimidai, Kizugawa, Kyoto, 619-0216, Japan
| | - Mami Kawai
- Safety Design Center, Rohto Pharmaceutical Co., Ltd., 6-5-4 Kunimidai, Kizugawa, Kyoto, 619-0216, Japan
| | - Yoko Mitsuguchi
- Safety Design Center, Rohto Pharmaceutical Co., Ltd., 6-5-4 Kunimidai, Kizugawa, Kyoto, 619-0216, Japan
| | - Kosei Tsukamoto
- Internal Medicine and Functional Food Development Division, Rohto Pharmaceutical Co., Ltd., 6-5-4 Kunimidai, Kizugawa, Kyoto, 619-0216, Japan
| | - Hirofumi Nakanishi
- Safety Design Center, Rohto Pharmaceutical Co., Ltd., 6-5-4 Kunimidai, Kizugawa, Kyoto, 619-0216, Japan
| | - Toshiaki Makino
- Department of Pharmacognosy, Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, 467-8603, Japan.
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Tsirimiagkou C, Argyris A, Karatzi K, Konstantina N, Sfikakis PP, Protogerou AD. Dietary sugars and subclinical vascular damage in moderate-to-high cardiovascular risk adults. Nutr Metab Cardiovasc Dis 2022; 32:98-108. [PMID: 34823975 DOI: 10.1016/j.numecd.2021.09.027] [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: 05/05/2021] [Revised: 09/24/2021] [Accepted: 09/24/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND AND AIMS The association between dietary sugars and vascular damage has been scarcely examined out of the context of established cardiovascular disease. We aimed to investigate the association between different types of sugars with subclinical atheromatosis and arteriosclerosis, in individuals free of cardiovascular disease being, however, at moderate-to-high cardiovascular risk. METHODS AND RESULTS Two 24-h dietary recalls were conducted to estimate sugars intake. Subclinical atheromatosis was assessed by B-mode ultrasonography and arteriosclerosis (arterial stiffness) via tonometry (carotid-to-femoral pulse wave velocity). Multiple logistic regression analysis was performed to determine the relationship of quartiles of total sugars, monosaccharides and disaccharides with atheromatosis and arteriosclerosis, adjusting for potential confounders [Odds Ratio (95%Confidence Interval)]. In 901 participants (52.4 ± 13.8 years, 45.2% males), total sugars intake was not associated with any type of subclinical vascular damage. Subjects at 4th quartile of lactose intake (15.3 ± 5.5 g/day) had lower probability to present atheromatosis compared to those at 1st quartile (0.00 ± 0.01 g/day) even in the fully adjusted model [0.586 (0.353-0.974)]. Subjects at 3rd quartile of total disaccharides intake and particularly sucrose (15.1 ± 2.2 g/day) had higher probability to present arteriosclerosis compared to those at 1st quartile (3.0 ± 1.9 g/day) even after adjustment for all potential confounders [2.213 (1.110-4.409)]. CONCLUSIONS Overall, the present data suggest a distinct role of each type of sugars on vascular damage. These observations highlight the need for further studies investigating not only foods rich in sugars, but sugars as separate components of food as they probably contribute via different ways on the development of arterial pathologies.
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Affiliation(s)
- Christiana Tsirimiagkou
- Cardiovascular Prevention & Research Unit, Clinic & Laboratory of Pathophysiology, Department of Medicine, National and Kapodistrian University of Athens, Greece; Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University of Athens, Greece
| | - Antonios Argyris
- Cardiovascular Prevention & Research Unit, Clinic & Laboratory of Pathophysiology, Department of Medicine, National and Kapodistrian University of Athens, Greece
| | - Kalliopi Karatzi
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Greece; Hellenic Foundation for Cardiovascular Health and Nutrition, Athens, Greece
| | - Ntouska Konstantina
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University of Athens, Greece
| | - Petros P Sfikakis
- 1st Department of Propaedeutic and Internal Medicine & Joint Rheumatology Program, National and Kapodistrian University of Athens, Medical School, Greece
| | - Athanase D Protogerou
- Cardiovascular Prevention & Research Unit, Clinic & Laboratory of Pathophysiology, Department of Medicine, National and Kapodistrian University of Athens, Greece; Hellenic Foundation for Cardiovascular Health and Nutrition, Athens, Greece.
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D-ribose-L-cysteine prevents oxidative stress and cardiometabolic syndrome in high fructose high fat diet fed rats. Biomed Pharmacother 2021; 142:112017. [PMID: 34399203 DOI: 10.1016/j.biopha.2021.112017] [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: 02/02/2021] [Revised: 07/19/2021] [Accepted: 08/05/2021] [Indexed: 12/14/2022] Open
Abstract
Cardiometabolic syndrome has been linked with dietary modification. Therefore, we investigated the effects of D-ribose-L-cysteine (DRLC) in rats fed with high fructose high fat (HFHF) diet. Twenty rats (n = 5), divided into 4 groups were concurrently exposed to HFHF and/or DRLC (250 mg/kg, p.o) during the 8 weeks study. The result showed that compared to control group, HFHF group had significant impairment in lipid and glucose homeostasis, increased cardiac xanthine oxidase, systolic blood pressure, heart rate, %body weight change and fluid intake. Also, there were significant reductions in HDL-C, cardiac (GPX, NO&GGT), feed intake and relative heart weight in the latter, relative to the former. However, there were no significant differences in most of the observed physical and biochemical changes in HFHF + DRLC group compared to control. DRLC alone did not disrupt the level of biomarkers. Conclusively, DRLC prevented the manifestation of oxidative stress and cardiometabolic syndrome in HFHF-diet fed rats.
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Dietary fructose intake is correlated with fat distribution in the Newfoundland population. Nutrition 2021; 93:111434. [PMID: 34492622 DOI: 10.1016/j.nut.2021.111434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 07/08/2021] [Accepted: 07/18/2021] [Indexed: 11/21/2022]
Abstract
OBJECTIVE Increased dietary fructose intake is associated with elevated body weight and body mass index. Few studies are available regarding the relationship between fat distribution and dietary fructose intake. The aim of this study was to investigate the association between dietary fructose intake and fat distribution in adults in a large Newfoundland cohort. METHODS We analyzed 2298 adults from CODING (Complex Diseases in the New found land Population: Environment and Genetics) study. Intake of dietary fructose was evaluated from the Willett food frequency questionnaire. Fat distribution was estimated by dual-energy x-ray absorptiometry. Partial correlation analysis was used to determine the correlations of dietary fructose intake with fat distribution adjusted for major confounding factors. RESULTS Daily dietary fructose intake was negatively associated with arm fat in postmenopausal women (r = -0.080, P < 0.05), but positively associated with arm fat in premenopausal women after adjusting for age, total calorie intake, and physical activity levels (r = 0.079, P < 0.05). Dietary fructose intake was negatively correlated with both arm fat (r = -0.131, P < 0.05) and visceral fat (r = -0.124 measured in mass, r = -0.124 measured in volume respectively; P < 0.05) in men <45 y of age, not in men ≥45 y. CONCLUSION This study demonstrated that dietary fructose intake is significantly correlated with arm fat in both women and men, and visceral fat in men in the Newfoundland free-living population. The correlations are sex- and menopause-status dependent.
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Chan AML, Ng AMH, Mohd Yunus MH, Idrus RBH, Law JX, Yazid MD, Chin KY, Shamsuddin SA, Lokanathan Y. Recent Developments in Rodent Models of High-Fructose Diet-Induced Metabolic Syndrome: A Systematic Review. Nutrients 2021; 13:nu13082497. [PMID: 34444658 PMCID: PMC8401262 DOI: 10.3390/nu13082497] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 07/14/2021] [Accepted: 07/18/2021] [Indexed: 01/01/2023] Open
Abstract
Metabolic syndrome (MetS) is the physiological clustering of hypertension, hyperglycemia, hyperinsulinemia, dyslipidemia, and insulin resistance. The MetS-related chronic illnesses encompass obesity, the cardiovascular system, renal operation, hepatic function, oncology, and mortality. To perform pre-clinical research, it is imperative that these symptoms be successfully induced and optimized in lower taxonomy. Therefore, novel and future applications for a disease model, if proven valid, can be extrapolated to humans. MetS model establishment is evaluated based on the significance of selected test parameters, paradigm shifts from new discoveries, and the accessibility of the latest technology or advanced methodologies. Ultimately, the outcome of animal studies should be advantageous for human clinical trials and solidify their position in advanced medicine for clinicians to treat and adapt to serious or specific medical situations. Rodents (Rattus norvegicus and Mus musculus) have been ideal models for mammalian studies since the 18th century and have been mapped extensively. This review compiles and compares studies published in the past five years between the multitude of rodent comparative models. The response factors, niche parameters, and replicability of diet protocols are also compiled and analyzed to offer insight into MetS-related disease-specific modelling.
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Affiliation(s)
- Alvin Man Lung Chan
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Kuala Lumpur 56000, Malaysia; (A.M.L.C.); (A.M.H.N.); (R.B.H.I.); (J.X.L.); (M.D.Y.); (S.A.S.)
- Ming Medical Sdn. Bhd., D3-3 (2nd Floor), Block D3 Dana 1 Commercial Centre, Jalan PJU 1A/22, Petaling Jaya 47101, Malaysia
| | - Angela Min Hwei Ng
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Kuala Lumpur 56000, Malaysia; (A.M.L.C.); (A.M.H.N.); (R.B.H.I.); (J.X.L.); (M.D.Y.); (S.A.S.)
| | - Mohd Heikal Mohd Yunus
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Cheras, Kuala Lumpur 56000, Malaysia;
| | - Ruszymah Bt Hj Idrus
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Kuala Lumpur 56000, Malaysia; (A.M.L.C.); (A.M.H.N.); (R.B.H.I.); (J.X.L.); (M.D.Y.); (S.A.S.)
| | - Jia Xian Law
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Kuala Lumpur 56000, Malaysia; (A.M.L.C.); (A.M.H.N.); (R.B.H.I.); (J.X.L.); (M.D.Y.); (S.A.S.)
| | - Muhammad Dain Yazid
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Kuala Lumpur 56000, Malaysia; (A.M.L.C.); (A.M.H.N.); (R.B.H.I.); (J.X.L.); (M.D.Y.); (S.A.S.)
| | - Kok-Yong Chin
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Cheras, Kuala Lumpur 56000, Malaysia;
| | - Sharen Aini Shamsuddin
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Kuala Lumpur 56000, Malaysia; (A.M.L.C.); (A.M.H.N.); (R.B.H.I.); (J.X.L.); (M.D.Y.); (S.A.S.)
| | - Yogeswaran Lokanathan
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Kuala Lumpur 56000, Malaysia; (A.M.L.C.); (A.M.H.N.); (R.B.H.I.); (J.X.L.); (M.D.Y.); (S.A.S.)
- Correspondence: ; Tel.: +60-3-9145-7704
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Zhu F, Li X. Fructose intake is not associated to the risk of hepatic fibrosis in patients with Non-Alcoholic Fatty Liver Disease (NAFLD). Clin Nutr 2021; 40:3827. [PMID: 34134003 DOI: 10.1016/j.clnu.2021.05.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 05/25/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Feiyan Zhu
- Laboratory Department, YiWu Central Hospital, Zhejiang, 322000, China
| | - Xiaofei Li
- Department of Infectious Diseases, YiWu Central Hospital, Zhejiang 322000, China.
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Ma C, Yan K, Wang Z, Zhang Q, Gao L, Xu T, Sai J, Cheng F, Du Y. The association between hypertension and nonalcoholic fatty liver disease (NAFLD): literature evidence and systems biology analysis. Bioengineered 2021; 12:2187-2202. [PMID: 34096467 PMCID: PMC8806441 DOI: 10.1080/21655979.2021.1933302] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) has become a major public health issue as its progression increases risks of multisystem morbidity and mortality. Recent evidence indicates a more complex relationship between hypertension and NAFLD than previously thought. In this study, a comprehensive literature search was used to gather information supporting the comorbidity phenomenon of hypertension and NAFLD. Then, systems biology approach was applied to identify the potential genes and mechanisms simultaneously associated with hypertension and NAFLD. With the help of protein-protein interaction network-based algorithm, we found that the distance between hypertension and NAFLD was much less than random ones. Sixty-four shared genes of hypertension and NAFLD modules were identified as core genes. Kyoto Encyclopedia of Genes and Genomes(KEGG) enrichment analysis indicated that some inflammatory, metabolic and endocrine signals were related to the potential biological functions of core genes. More importantly, drugs used to treat cardiovascular diseases, hypertension, hyperlipidemia, inflammatory diseases and depression could be potential therapeutics against hypertension-NAFLD co-occurrence. After analyzing public OMICs data, ALDH1A1 was identified as a potential therapeutic target, without being affected by reverse causality. These findings give a clue for the potential mechanisms of comorbidity of hypertension and NAFLD and highlight the multiple target-therapeutic strategy of NAFLD for future clinical research.
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Affiliation(s)
- Chongyang Ma
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Kai Yan
- Department of Traditional Chinese Medicine, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Zisong Wang
- Department of Traditional Chinese Medicine, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Qiuyun Zhang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Lianyin Gao
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Tian Xu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jiayang Sai
- Department of Oncology, The Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Fafeng Cheng
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yuqiong Du
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
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Lelis DDF, Andrade JMO, Almenara CCP, Broseguini-Filho GB, Mill JG, Baldo MP. High fructose intake and the route towards cardiometabolic diseases. Life Sci 2020; 259:118235. [DOI: 10.1016/j.lfs.2020.118235] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 07/29/2020] [Accepted: 08/05/2020] [Indexed: 02/06/2023]
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Villeda-González JD, Gómez-Olivares JL, Baiza-Gutman LA, Manuel-Apolinar L, Damasio-Santana L, Millán-Pacheco C, Ángeles-Mejía S, Cortés-Ginez MC, Cruz-López M, Vidal-Moreno CJ, Díaz-Flores M. Nicotinamide reduces inflammation and oxidative stress via the cholinergic system in fructose-induced metabolic syndrome in rats. Life Sci 2020; 250:117585. [PMID: 32243928 DOI: 10.1016/j.lfs.2020.117585] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 02/28/2020] [Accepted: 03/20/2020] [Indexed: 01/27/2023]
Abstract
AIMS Acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) have been associated with risk factors for metabolic syndrome (MetS). Our objective was to evaluate the effect of nicotinamide (NAM) on the activities, expression and protein content of cholinesterases in a MetS model. MAIN METHODS MetS was induced in male rats administrating 40% fructose to the drinking water for 16 weeks. Additionally, from 5th week onward, the carbohydrate solution was replaced by NAM, at several concentrations for 5 h each morning for the next 12 weeks. In the 15th week, the glucose tolerance test was conducted, and blood pressure was measured. After the treatment period had concluded, the biochemical profile; oxidant stress; proinflammatory markers; and the activity, quantity and expression of cholinesterases were evaluated, and molecular docking analysis was performed. KEY FINDINGS The MetS group showed anthropometric, hemodynamic and biochemical alterations and increased cholinesterase activity, inflammation and stress markers. In the liver, cholinesterase activity and mRNA, free fatty acid, tumor necrosis factor-alpha (TNF-α), and thiobarbituric acid-reactive substance (TBARS) levels were increased, while reduced glutathione (GSH) levels were decreased. NAM partially or totally decreased risk factors for MetS, markers of stress and inflammation, and the activity (serum and liver) and expression (liver) of cholinesterases. Molecular docking analysis showed that NAM has a greater affinity for cholinesterases than acetylcholine (ACh), suggesting NAM as an inhibitor of cholinesterases. SIGNIFICANCE Supplementation with 40% fructose induced MetS, which increased the activity and expression of cholinesterases, oxidative stress and the inflammation. NAM attenuated these MetS-induced alterations and changes in cholinesterases.
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Affiliation(s)
- J D Villeda-González
- Programa de Posgrado en Biología Experimental, Universidad Autónoma Metropolitana-Iztapalapa, San Rafael Atlixco 186, México City, México; Unidad de Investigación Médica en Bioquímica, Hospital de Especialidades "Bernardo Sepúlveda Gutiérrez" Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Ciudad de México, México
| | - J L Gómez-Olivares
- Laboratorio de Biomembranas, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, San Rafael Atlixco 186, México City, México
| | - L A Baiza-Gutman
- Laboratorio en Biología del Desarrollo, Unidad de Morfología y Función, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Estado de México, México
| | - L Manuel-Apolinar
- Unidad de Investigación Médica en Enfermedades Endocrinas, Hospital de Especialidades "Bernardo Sepúlveda Gutiérrez" Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Ciudad de México, México
| | - L Damasio-Santana
- Unidad de Investigación Médica en Enfermedades Endocrinas, Hospital de Especialidades "Bernardo Sepúlveda Gutiérrez" Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Ciudad de México, México
| | - C Millán-Pacheco
- Facultad de Farmacia, Universidad Autónoma del Estado de Morelos, Cuernavaca, Morelos, México
| | - S Ángeles-Mejía
- Laboratorio en Biología del Desarrollo, Unidad de Morfología y Función, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Estado de México, México
| | - M C Cortés-Ginez
- Unidad de Investigación Médica en Bioquímica, Hospital de Especialidades "Bernardo Sepúlveda Gutiérrez" Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Ciudad de México, México
| | - M Cruz-López
- Unidad de Investigación Médica en Bioquímica, Hospital de Especialidades "Bernardo Sepúlveda Gutiérrez" Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Ciudad de México, México
| | - C J Vidal-Moreno
- Departamento de Bioquímica y Biología Molecular-A, Universidad de Murcia, Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, Spain
| | - M Díaz-Flores
- Unidad de Investigación Médica en Bioquímica, Hospital de Especialidades "Bernardo Sepúlveda Gutiérrez" Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Ciudad de México, México.
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Song L, Chen TY, Zhao XJ, Xu Q, Jiao RQ, Li JM, Kong LD. Pterostilbene prevents hepatocyte epithelial-mesenchymal transition in fructose-induced liver fibrosis through suppressing miR-34a/Sirt1/p53 and TGF-β1/Smads signalling. Br J Pharmacol 2019; 176:1619-1634. [PMID: 30632134 DOI: 10.1111/bph.14573] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 10/22/2018] [Accepted: 11/06/2018] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND AND PURPOSE Excessive fructose consumption is a risk factor for liver fibrosis. Pterostilbene protects against liver fibrosis. Here, we investigated the potential role and the mechanisms underlying the hepatocyte epithelial-mesenchymal transition (EMT) in fructose-induced liver fibrosis and protection by pterostilbene. EXPERIMENTAL APPROACH Characteristic features of liver fibrosis in 10% fructose-fed rats and EMT in 5 mM fructose-exposed BRL-3A cells with or without pterostilbene and the change of miR-34a/Sirt1/p53 and transforming growth factor-β1 (TGF-β1)/Smads signalling were examined. MiR-34a inhibitor, miR-34a minic, or p53 siRNA were used to explore the role of miR-34a/Sirt1/p53 signalling in fructose-induced EMT and the action of pterostilbene. KEY RESULTS Pterostilbene prevented fructose-induced liver injury with fibrosis in rats. Fructose caused hepatocyte undergoing EMT, gaining fibroblast-specific protein 1 and vimentin, and losing E-cadherin, effects attenuated by pterostilbene. Moreover, fructose induced miR-34a overexpression in hepatocytes with down-regulated Sirt1, increased p53 and ac-p53, and activated TGF-β1/Smads signalling, whereas these disturbances were suppressed by miR-34a inhibitor. Additionally, miR-34a inhibitor and p53 siRNA prevented TGF-β1-driven hepatocyte EMT under fructose exposure. Pterostilbene down-regulated miR-34a, up-regulated Sirt1, and suppressed p53 activation and TGF-β1/Smads signalling in fructose-stimulated animals and cells but showed no additional effects with miR-34a inhibitor on miR-34a/Sirt1/p53 signalling in fructose-exposed hepatocytes. CONCLUSIONS AND IMPLICATIONS These results strongly suggest that activation of miR-34a/Sirt1/p53 signalling is required for fructose-induced hepatocyte EMT mediated by TGF-β1/Smads signalling, contributing to liver fibrosis in rats. Pterostilbene exhibits a protective effect against liver fibrosis at least partly through inhibiting miR-34a/Sirt1/p53 signalling activation.
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Affiliation(s)
- Lin Song
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Tian-Yu Chen
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China.,State Key Laboratory Cultivation Base for TCM Quality and Efficacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xiao-Juan Zhao
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Qiang Xu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Rui-Qing Jiao
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Jian-Mei Li
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Ling-Dong Kong
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
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12
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Mai BH, Yan LJ. The negative and detrimental effects of high fructose on the liver, with special reference to metabolic disorders. Diabetes Metab Syndr Obes 2019; 12:821-826. [PMID: 31213868 PMCID: PMC6549781 DOI: 10.2147/dmso.s198968] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 04/25/2019] [Indexed: 12/17/2022] Open
Abstract
The increased consumption of fructose in the average diet through sweeteners such as high-fructose corn syrup (HFCS) and sucrose has resulted in negative outcomes in society through producing a considerable economic and medical burden on our healthcare system. Ingestion of fructose chronically has contributed to multiple health consequences, such as insulin resistance, obesity, liver disorders, and diabetes. Fructose metabolism starts with fructose phosphorylation by fructose kinase in the liver, and this process is not feedback regulated. Therefore, ingestion of high fructose can deplete ATP, increase uric acid production, and increase nucleotide turnover. This review focuses the discussion on the hepatic manifestations of high fructose-implicated liver metabolic disorders such as insulin resistance, obesity due to enhanced lipogenesis, non-alcoholic fatty liver disease (NAFLD), non-alcoholic steatohepatitis (NASH), and type 2 diabetes. The detrimental effects of high fructose on the liver, contributed potentially by microbiome and leptin, were also discussed. The authors believe that, together with diet management, further studies focusing on disrupting or blocking fructose metabolism in the liver may help with designing novel strategies for prevention and treatment of fructose-induced chronic liver metabolic diseases.
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Affiliation(s)
- Brandon H Mai
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX76107, USA
| | - Liang-Jun Yan
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX76107, USA
- Correspondence: Liang-Jun YanDepartment of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX76107, USATel +1 817 735 2386Fax +1 817 735 2603Email
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13
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Kawabata K, Kanmura S, Morinaga Y, Tanaka A, Makino T, Fujita T, Arima S, Sasaki F, Nasu Y, Tanoue S, Hashimoto S, Ido A. A high‑fructose diet induces epithelial barrier dysfunction and exacerbates the severity of dextran sulfate sodium‑induced colitis. Int J Mol Med 2018; 43:1487-1496. [PMID: 30628636 DOI: 10.3892/ijmm.2018.4040] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 11/19/2018] [Indexed: 11/06/2022] Open
Abstract
Excessive fructose intake is a risk factor for gut symptoms in patients with inflammatory bowel disease, however, its effect on the intestinal tract has not been evaluated previously. The present study investigated the impact of a high‑fructose diet (HFD) on intestinal barrier function in mice with experimental colitis. C57/BL6 mice were provided with either a HFD or control diet and either plain drinking water or water containing 1% dextran sulfate sodium (DSS) for 2 weeks. The disease activity index (DAI), pathological scores and expression of inflammatory cytokines were compared among the groups, and the proportions of fecal bacteria in the colon were analyzed. The body weight and colon length were significantly decreased, and the DAI and pathological scores were significantly increased in the DSS/HFD‑treated mice compared with the non‑DSS‑treated and control diet mice. Regarding the expression of inflammatory cytokines, the levels of interleukin (IL)‑6, IL‑1β and tumor necrosis factor‑α were significantly increased, and the expression of the tight junction protein occludin was significantly decreased in the DSS/HFD‑treated mice. The total bacterial count was increased in the HFD mice. Taken together, these results indicate that an HFD resulted in the deterioration of intestinal barrier function and increased susceptibility to DSS‑induced colitis.
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Affiliation(s)
- Katsuto Kawabata
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890‑8544, Japan
| | - Shuji Kanmura
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890‑8544, Japan
| | - Yuko Morinaga
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890‑8544, Japan
| | - Akihito Tanaka
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890‑8544, Japan
| | - Tomoaki Makino
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890‑8544, Japan
| | - Toshihiro Fujita
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890‑8544, Japan
| | - Shiho Arima
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890‑8544, Japan
| | - Fumisato Sasaki
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890‑8544, Japan
| | - Yuichirou Nasu
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890‑8544, Japan
| | - Shiroh Tanoue
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890‑8544, Japan
| | - Shinichi Hashimoto
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890‑8544, Japan
| | - Akio Ido
- Digestive and Lifestyle Diseases, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890‑8544, Japan
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14
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Rizk M, Guilloteau A, Mouillot T, Thiefin G, Bronowicki JP, Richou C, Doffoel M, Diab Assaf M, Hillon P, Cottet V. Dietary components modulate the risk of hepatocellular carcinoma in cirrhotic patients. Nutr Res 2018; 61:82-94. [PMID: 30683441 DOI: 10.1016/j.nutres.2018.10.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 09/07/2018] [Accepted: 10/05/2018] [Indexed: 02/07/2023]
Abstract
Eighty percent of hepatocellular carcinoma (HCC) cases occur after cirrhosis from various etiologies. The association between diet and cancer is well accepted, but the links with cirrhosis progression and HCC risk have been poorly investigated. However, we hypothesized that diet could be a modifiable preventive factor for HCC. Thus, the aim of our study was to explore the relationships between dietary factors and the risk of HCC in a population of cirrhotic patients. A total of 582 cirrhotic patients were studied: 401 without HCC (controls) and 181 with HCC (cases). These patients were recruited between 2008 and 2012 for the "CiRCE" case-control study conducted in six French university hospitals. Information about the consumption of 208 food items and 23 nutrients were collected through a diet history questionnaire. Unconditional multivariate logistic regressions were performed for each residual food group and nutrients in tertiles. HCC patients were more often men, diabetic and older than controls. After adjustment, a significant positive association was found between HCC risk and carbonated beverages (ORTertile3vsTertile1 = 2.44 [1.17-5.09] p-trend = 0.021), total cereals (ORT3vsT1 = 1.87 [1.09-3.22] p-trend = 0.035), processed meat (ORT3vsT1 = 1.97 [1.14-3.41] p-trend = 0.028) and sodium (ORT3vsT1 = 2.00 [1.14-3.53] p-trend = 0.043). Conversely, the consumption of fiber (ORT3vsT1 = 0.49 [0.28-0.86] p-trend = 0.012), vitamin E (ORT3vsT1 = 0.52 [0.30-0.89] p-trend = 0.017), vitamin B9 (folate and folic acid) (ORT3vsT1 = 0.56 [0.33-0.95] p-trend = 0.036), manganese (ORT3vsT1 = 0.56 [0.32-0.97] p-trend = 0.038) and potassium (ORT3vsT1 = 0.44 [0.25-0.76] p-trend = 0.004) were significantly lower in HCC patients compared with cirrhotic controls. Although these findings must be confirmed in prospective studies, using dietary patterns or biological parameters, they suggest that certain dietary components may modulate HCC risk in cirrhotic patients.
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Affiliation(s)
- Maud Rizk
- INSERM UMR 1231, University of Burgundy Franche-Comté, Dijon, France
| | - Adrien Guilloteau
- INSERM UMR 1231, University of Burgundy Franche-Comté, Dijon, France; Clinical Investigation Center 1432, University of Burgundy Franche-Comté, Dijon, France; Dijon University Hospital, Dijon, France
| | - Thomas Mouillot
- Dijon University Hospital, Dijon, France; Center for the Study of Taste and Eating Behavior, CNRS, INRA, University of Burgundy Franche-Comté, Dijon, France
| | - Gérard Thiefin
- Hepatology and Gastroenterology Department, University Hospital of Reims, Reims, France
| | - Jean-Pierre Bronowicki
- Hepatology Department, University Hospital of Nancy, Nancy, France; INSERM UMR 954, Nancy, France
| | - Carine Richou
- Hepatology Department, University Hospital of Besancon, Besancon, France
| | - Michel Doffoel
- Hepatology department, University Hospital of Strasbourg, Strasbourg, France
| | - Mona Diab Assaf
- Molecular Tumorigenesis and Anticancer Pharmacology, EDST, Lebanese University, Beirut, Lebanon
| | - Patrick Hillon
- INSERM UMR 1231, University of Burgundy Franche-Comté, Dijon, France; Dijon University Hospital, Dijon, France
| | - Vanessa Cottet
- INSERM UMR 1231, University of Burgundy Franche-Comté, Dijon, France; Clinical Investigation Center 1432, University of Burgundy Franche-Comté, Dijon, France; Dijon University Hospital, Dijon, France.
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15
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Paeoniflorin Ameliorates Fructose-Induced Insulin Resistance and Hepatic Steatosis by Activating LKB1/AMPK and AKT Pathways. Nutrients 2018; 10:nu10081024. [PMID: 30081580 PMCID: PMC6116094 DOI: 10.3390/nu10081024] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/25/2018] [Accepted: 07/31/2018] [Indexed: 12/21/2022] Open
Abstract
The present study aimed to evaluate the effects of paeoniflorin on insulin resistance and hepatic steatosis induced by fructose. Male Sprague-Dawley rats were fed 20% fructose drink for eight weeks. The insulin sensitivity, serum lipid profiles, and hepatic lipids contents were measured. The results showed that paeoniflorin significantly decreased serum insulin and glucagon levels, improved insulin sensitivity and serum lipids profiles, and alleviated hepatic steatosis in fructose-fed rats. Moreover, paeoniflorin enhanced the phosphorylation level of AMP-activated protein kinase (AMPK) and protein kinase B (PKB/AKT) and inhibited the phosphorylation of acetyl coenzyme A carboxylase (ACC)1 in liver. Paeoniflorin also increased the hepatic carnitine palmitoyltransferase (CPT)-1 mRNA and protein expression and decreased the mRNA expression of sterol regulatory element-binding protein (SREBP)1c, stearyl coenzyme A decarboxylase (SCD)-1 and fatty acid synthetase (FAS). Furthermore, we found that paeoniflorin significantly increased the heptatic protein expression of tumor suppressor serine/threonine kinase (LKB)1 but not Ca2+/CaM-dependent protein kinase kinase (CaMKK)β. These results suggest that the protective effects of paeoniflorin might be involved in the activation of LKB1/AMPK and insulin signaling, which resulted in the inhibition of lipogenesis, as well as the activation of β-oxidation and glycogenesis, thus ameliorated the insulin resistance and hepatic steatosis. The present study may provide evidence for the beneficial effects of paeoniflorin in the treatment of insulin resistance and non-alcoholic fatty liver.
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16
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Abstract
India has the dubious distinction of being a hotspot for both diabetes and hypertension. Increased salt and sugar consumption is believed to fuel these two epidemics. This review is an in-depth analysis of current medical literature on salt and sugar being the two white troublemakers of modern society. The PubMed, Medline, and Embase search for articles published in January 2018, using the terms "salt" [MeSH Terms] OR "sodium chloride" [All Fields] OR "sugar" [All Fields]. India is world's highest consumer of sugar with one of the highest salt consumption per day. Increased salt intake is associated with increased risk of hypertension, left ventricular hypertrophy and fibrosis, cardiovascular events, renal stones, proteinuria, and renal failure. Increased sugar intake is directly linked to increased risk of obesity, fatty liver disease, and metabolic syndrome. Also, increased sugar intake may be indirectly related to the increased risk of type 2 diabetes. Both salt and sugar intake is directly linked to increased systemic and hypothalamic inflammation, endothelial dysfunction, microangiopathy, cardiovascular remodelling, cancers, and death. High fructose corn is especially damaging. There is no safe limit of sugar consumption, as the human body can produce its own glucose. Being nature's gift to mankind, there is no harm in moderate consumption of salt and sugar, however, modest reduction in the consumption of both can substantially reduce the burden of non-communicable diseases. Public health interventions to facilitate this behavioural change must be instituted and encouraged.
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Affiliation(s)
- Lovely Gupta
- Department of Food and Nutrition, Lady Irwin College, University of Delhi, New Delhi, India
| | - Deepak Khandelwal
- Department of Endocrinology, Maharaja Agrasen Hospital, Punjabi Bagh, New Delhi, India
| | - Deep Dutta
- Department of Endocrinology, Venkateshwar Hospitals, Dwarka, New Delhi, India
| | - Sanjay Kalra
- Department of Endocrinology, Bharti Hospital and Bharti Research Institute of Diabetes and Endocrinology, Karnal, Haryana, India
| | - Priti R. Lal
- Department of Food and Nutrition, Lady Irwin College, University of Delhi, New Delhi, India
| | - Yashdeep Gupta
- Department of Endocrinology, All India Institute of Medical Sciences, New Delhi, India
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17
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Zupanič N, Miklavec K, Kušar A, Žmitek K, Fidler Mis N, Pravst I. Total and Free Sugar Content of Pre-Packaged Foods and Non-Alcoholic Beverages in Slovenia. Nutrients 2018; 10:E151. [PMID: 29385691 PMCID: PMC5852727 DOI: 10.3390/nu10020151] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 01/17/2018] [Accepted: 01/26/2018] [Indexed: 01/22/2023] Open
Abstract
Scientific evidence of the association between free sugar consumption and several adverse health effects has led many public health institutions to take measures to limit the intake of added or free sugar. Monitoring the efficiency of such policies and the amount of free sugar consumed requires precise knowledge of free sugar content in different food products. To meet this need, our cross-sectional study aimed at assessing free sugar content for 10,674 pre-packaged food items available from major Slovenian food stores during data collection in 2015. Together, 52.6% of all analyzed products contained free sugar, which accounted for an average of 57.5% of the total sugar content. Food categories with the highest median free sugar content were: honey and syrups (78.0 g/100 g), jellies (62.9 g/100 g), chocolate and sweets (44.6 g/100 g), jam and spreads (35.9 g/100 g), and cereal bars (23.8 g/100 g). Using year-round sales data provided by the retailers, the data showed that chocolate, sweets, and soft drinks alone accounted for more than 50% of all free sugar sold on the Slovenian market. The results of this study can be used to prepare more targeted interventions and efficient dietary recommendations.
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Affiliation(s)
- Nina Zupanič
- Nutrition Institute, Tržaška cesta 40, Ljubljana SI-1000, Slovenia.
| | - Krista Miklavec
- Nutrition Institute, Tržaška cesta 40, Ljubljana SI-1000, Slovenia.
| | - Anita Kušar
- Nutrition Institute, Tržaška cesta 40, Ljubljana SI-1000, Slovenia.
| | - Katja Žmitek
- Nutrition Institute, Tržaška cesta 40, Ljubljana SI-1000, Slovenia.
- VIST-Higher School of Applied Sciences, Gerbičeva cesta 51a, Ljubljana SI-1000, Slovenia.
| | - Nataša Fidler Mis
- Department of Gastroenterology, Hepatology and Nutrition, University Children's Hospital, University Medical Centre Ljubljana, Ljubljana 1000, Slovenia.
| | - Igor Pravst
- Nutrition Institute, Tržaška cesta 40, Ljubljana SI-1000, Slovenia.
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18
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Burgeiro A, Cerqueira MG, Varela-Rodríguez BM, Nunes S, Neto P, Pereira FC, Reis F, Carvalho E. Glucose and Lipid Dysmetabolism in a Rat Model of Prediabetes Induced by a High-Sucrose Diet. Nutrients 2017. [PMID: 28635632 PMCID: PMC5490617 DOI: 10.3390/nu9060638] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Glucotoxicity and lipotoxicity are key features of type 2 diabetes mellitus, but their molecular nature during the early stages of the disease remains to be elucidated. We aimed to characterize glucose and lipid metabolism in insulin-target organs (liver, skeletal muscle, and white adipose tissue) in a rat model treated with a high-sucrose (HSu) diet. Two groups of 16-week-old male Wistar rats underwent a 9-week protocol: HSu diet (n = 10)-received 35% of sucrose in drinking water; Control (n = 12)-received vehicle (water). Body weight, food, and beverage consumption were monitored and glucose, insulin, and lipid profiles were measured. Serum and liver triglyceride concentrations, as well as the expression of genes and proteins involved in lipid biosynthesis were assessed. The insulin-stimulated glucose uptake and isoproterenol-stimulated lipolysis were also measured in freshly isolated adipocytes. Even in the absence of obesity, this rat model already presented the main features of prediabetes, with fasting normoglycemia but reduced glucose tolerance, postprandial hyperglycemia, compensatory hyperinsulinemia, as well as decreased insulin sensitivity (resistance) and hypertriglyceridemia. In addition, impaired hepatic function, including altered gluconeogenic and lipogenic pathways, as well as increased expression of acetyl-coenzyme A carboxylase 1 and fatty acid synthase in the liver, were observed, suggesting that liver glucose and lipid dysmetabolism may play a major role at this stage of the disease.
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Affiliation(s)
- Ana Burgeiro
- Center of Neuroscience and Cell Biology (CNC) and CNC.IBILI Research Consortium, University of Coimbra, 3004-504 Coimbra, Portugal.
| | - Manuela G Cerqueira
- Center of Neuroscience and Cell Biology (CNC) and CNC.IBILI Research Consortium, University of Coimbra, 3004-504 Coimbra, Portugal.
| | - Bárbara M Varela-Rodríguez
- Center of Neuroscience and Cell Biology (CNC) and CNC.IBILI Research Consortium, University of Coimbra, 3004-504 Coimbra, Portugal.
| | - Sara Nunes
- Center of Neuroscience and Cell Biology (CNC) and CNC.IBILI Research Consortium, University of Coimbra, 3004-504 Coimbra, Portugal.
- Laboratory of Pharmacology and Experimental Therapeutics, Institute for Biomedical Imaging and Life Sciences (IBILI), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal.
| | - Paula Neto
- Service of Anatomical Pathology, Coimbra University Hospital Centre (CHUC), 3000-075 Coimbra, Portugal.
| | - Frederico C Pereira
- Center of Neuroscience and Cell Biology (CNC) and CNC.IBILI Research Consortium, University of Coimbra, 3004-504 Coimbra, Portugal.
- Laboratory of Pharmacology and Experimental Therapeutics, Institute for Biomedical Imaging and Life Sciences (IBILI), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal.
| | - Flávio Reis
- Center of Neuroscience and Cell Biology (CNC) and CNC.IBILI Research Consortium, University of Coimbra, 3004-504 Coimbra, Portugal.
- Laboratory of Pharmacology and Experimental Therapeutics, Institute for Biomedical Imaging and Life Sciences (IBILI), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal.
| | - Eugénia Carvalho
- Center of Neuroscience and Cell Biology (CNC) and CNC.IBILI Research Consortium, University of Coimbra, 3004-504 Coimbra, Portugal.
- The Portuguese Diabetes Association (APDP), 1250-203 Lisbon, Portugal.
- Department of Geriatrics, University of Arkansas for Medical Sciences, Little Rock, AR 72202, USA.
- Arkansas Children's Hospital Research Institute, Little Rock, AR 72202, USA.
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Sousa GJ, Oliveira PWC, Nogueira BV, Melo AF, Faria TDO, Meira EF, Mill JG, Bissoli NS, Baldo MP. Fructose intake exacerbates the contractile response elicited by norepinephrine in mesenteric vascular bed of rats via increased endothelial prostanoids. J Nutr Biochem 2017; 48:21-28. [PMID: 28654829 DOI: 10.1016/j.jnutbio.2017.06.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 05/31/2017] [Accepted: 06/15/2017] [Indexed: 12/15/2022]
Abstract
Chronic fructose intake induces major cardiovascular and metabolic disturbances and is associated with the development of hypertension due to changes in vascular function. We hypothesized that high fructose intake for 6 weeks would cause metabolic syndrome and lead to initial vascular dysfunction. Male Wistar rats were assigned to receive fructose (FRU, 10%) or drinking water (CON) for 6 weeks. Systolic blood pressure was evaluated by tail plethysmography. Fasting glucose, insulin and glucose tolerance were measured at the end of the follow-up. Mesenteric vascular bed reactivity was tested before and after pharmacological blockade. Western blot analysis was performed for iNOS, eNOS, Nox2 and COX-2. DHE staining was used for vascular superoxide anion detection. Vessel structure was evaluated by optical and electronic microscopy. Fructose intake did not alter blood pressure, but did increase visceral fat deposition and fasting glucose as well as impair insulin and glucose tolerance. Fructose increased NE-induced vasoconstriction compared with CON, and this difference was abrogated by indomethacin perfusion as well as endothelium removal. ACh-induced relaxation was preserved, and the NO modulation tested after L-NAME perfusion was similar between groups. SNP-induced relaxation was not altered. Inducible NOS was increased; however, there were no changes in eNOS, Nox2 or COX-2 protein expression. Basal or stimulated superoxide anion production was not changed by fructose intake. In conclusion, high fructose intake increased NE-induced vasoconstriction through the endothelial prostanoids even in the presence of a preserved endothelium-mediated relaxation. No major changes in vessel structure were detected.
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Affiliation(s)
- Glauciene J Sousa
- Department of Physiological Sciences, Federal University of Espírito Santo, Vitória, Brazil
| | | | - Breno V Nogueira
- Department of Morphology, Federal University of Espírito Santo, Vitória, Espírito Santo, Brazil
| | - Antônio F Melo
- Department of Physiological Sciences, Federal University of Espírito Santo, Vitória, Brazil
| | | | - Eduardo Frizera Meira
- Department of Physiological Sciences, Federal University of Espírito Santo, Vitória, Brazil; Department of Pharmacy and Nutrition, Federal University of Espírito Santo, Alegre, Brazil
| | - José G Mill
- Department of Physiological Sciences, Federal University of Espírito Santo, Vitória, Brazil
| | - Nazaré S Bissoli
- Department of Physiological Sciences, Federal University of Espírito Santo, Vitória, Brazil
| | - Marcelo P Baldo
- Department of Pathophysiology, Montes Claros State University, Montes Claros, Brazil.
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20
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Similarities and interactions between the ageing process and high chronic intake of added sugars. Nutr Res Rev 2017; 30:191-207. [DOI: 10.1017/s0954422417000051] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
AbstractIn our societies, the proportions of elderly people and of obese individuals are increasing. Both factors are associated with high health-related costs. During obesity, many authors suggest that it is a high chronic intake of added sugars (HCIAS) that triggers the shift towards pathology. However, the majority of studies were performed in young subjects and only a few were interested in the interaction with the ageing process. Our purpose was to discuss the metabolic effects of HCIAS, compare with the effects of ageing, and evaluate how deleterious the combined action of HCIAS and ageing could be. This effect of HCIAS seems mediated by fructose, targeting the liver first, which may lead to all subsequent metabolic alterations. The first basic alterations induced by fructose are increased oxidative stress, protein glycation, inflammation, dyslipidaemia and insulin resistance. These alterations are also present during the ageing process, and are closely related to each other, one leading to the other. These basic alterations are also involved in more complex syndromes, which are also favoured by HCIAS, and present during ageing. These include non-alcoholic fatty liver disease, hypertension, neurodegenerative diseases, sarcopenia and osteoporosis. Cumulative effects of ageing and HCIAS have been seldom tested and may not always be strictly additive. Data also suggest that some of the metabolic alterations that are more prevalent during ageing could be related more with nutritional habits than to intrinsic ageing. In conclusion, it is clear that HCIAS interacts with the ageing process, accelerates the accumulation of metabolic alterations, and that it should be avoided.
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Dupas J, Feray A, Goanvec C, Guernec A, Samson N, Bougaran P, Guerrero F, Mansourati J. Metabolic Syndrome and Hypertension Resulting from Fructose Enriched Diet in Wistar Rats. BIOMED RESEARCH INTERNATIONAL 2017; 2017:2494067. [PMID: 28497040 PMCID: PMC5405603 DOI: 10.1155/2017/2494067] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 03/19/2017] [Indexed: 01/03/2023]
Abstract
Increased sugar consumption, especially fructose, is strongly related to the development of type 2 diabetes (T2D) and metabolic syndrome. The aim of this study was to evaluate long term effects of fructose supplementation on Wistar rats. Three-week-old male rats were randomly divided into 2 groups: control (C; n = 14) and fructose fed (FF; n = 18), with a fructose enriched drink (20-25% w/v fructose in water) for 21 weeks. Systolic blood pressure, fasting glycemia, and bodyweight were regularly measured. Glucose tolerance was evaluated three times using an oral glucose tolerance test. Insulin levels were measured concomitantly and insulin resistance markers were evaluated (HOMA 2-IR, Insulin Sensitivity Index for glycemia (ISI-gly)). Lipids profile was evaluated on plasma. This fructose supplementation resulted in the early induction of hypertension without renal failure (stable theoretical creatinine clearance) and in the progressive development of fasting hyperglycemia and insulin resistance (higher HOMA 2-IR, lower ISI-gly) without modification of glucose tolerance. FF rats presented dyslipidemia (higher plasma triglycerides) and early sign of liver malfunction (higher liver weight). Although abdominal fat weight was increased in FF rats, no significant overweight was found. In Wistar rats, 21 weeks of fructose supplementation induced a metabolic syndrome (hypertension, insulin resistance, and dyslipidemia) but not T2D.
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Affiliation(s)
- Julie Dupas
- 1EA 4324-Optimisation des Régulations Physiologiques, Institut Brestois Santé Agro Matières, Université de Bretagne Occidentale, 6 avenue Victor Le Gorgeu, 29238 Brest Cedex 3, France
| | - Annie Feray
- 1EA 4324-Optimisation des Régulations Physiologiques, Institut Brestois Santé Agro Matières, Université de Bretagne Occidentale, 6 avenue Victor Le Gorgeu, 29238 Brest Cedex 3, France
- 2UFR Sciences du Sport et de l'Education, 20 avenue Victor Le Gorgeu, 29238 Brest Cedex 3, France
| | - Christelle Goanvec
- 1EA 4324-Optimisation des Régulations Physiologiques, Institut Brestois Santé Agro Matières, Université de Bretagne Occidentale, 6 avenue Victor Le Gorgeu, 29238 Brest Cedex 3, France
- 3UFR Sciences et Techniques, 6 avenue Victor Le Gorgeu, 29238 Brest Cedex 3, France
- *Christelle Goanvec:
| | - Anthony Guernec
- 1EA 4324-Optimisation des Régulations Physiologiques, Institut Brestois Santé Agro Matières, Université de Bretagne Occidentale, 6 avenue Victor Le Gorgeu, 29238 Brest Cedex 3, France
- 2UFR Sciences du Sport et de l'Education, 20 avenue Victor Le Gorgeu, 29238 Brest Cedex 3, France
| | - Nolwenn Samson
- 4Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université de Laval, 2725 chemin Ste-Foy, Québec, QC, Canada G1V 4G5
| | - Pauline Bougaran
- 1EA 4324-Optimisation des Régulations Physiologiques, Institut Brestois Santé Agro Matières, Université de Bretagne Occidentale, 6 avenue Victor Le Gorgeu, 29238 Brest Cedex 3, France
| | - François Guerrero
- 1EA 4324-Optimisation des Régulations Physiologiques, Institut Brestois Santé Agro Matières, Université de Bretagne Occidentale, 6 avenue Victor Le Gorgeu, 29238 Brest Cedex 3, France
- 2UFR Sciences du Sport et de l'Education, 20 avenue Victor Le Gorgeu, 29238 Brest Cedex 3, France
| | - Jacques Mansourati
- 1EA 4324-Optimisation des Régulations Physiologiques, Institut Brestois Santé Agro Matières, Université de Bretagne Occidentale, 6 avenue Victor Le Gorgeu, 29238 Brest Cedex 3, France
- 5Département de Cardiologie, Centre Hospitalo-Universitaire de Brest, boulevard Tanguy Prigent, 29200 Brest, France
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Yuan L, Han X, Li W, Ren D, Yang X. Isoorientin Prevents Hyperlipidemia and Liver Injury by Regulating Lipid Metabolism, Antioxidant Capability, and Inflammatory Cytokine Release in High-Fructose-Fed Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:2682-2689. [PMID: 26961674 DOI: 10.1021/acs.jafc.6b00290] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Isoorientin (ISO), a natural flavonoid, has been found to have multiple biological properties. In the present study, obese mice with high-fructose (HF)-induced liver injury were used to investigate the hepatoprotective effects of ISO. The results showed that ISO significantly reduced the serum lipid parameters in mice fed 20% HF water. Meanwhile, ISO appeared to alleviate HF-induced lipid metabolic disorders by increasing the serum levels of apo-A1 and decreasing the serum apoB levels, apoB/apo-A1 ratio, and FAS activity in the liver. ISO also remarkably ameliorated HF-induced hepatic oxidative injury and inflammation by decreasing ALT, AST, and ALP levels; enhancing antioxidant enzyme activities; and inhibiting inflammatory cytokine (TNF-α, IL-1, IL-6) release. Histopathology of liver stained by H&E and Oil Red O showed the liver steatosis and oxidative injury after HF treatment and the protective effect of ISO. Furthermore, aortic pathology observation found that ISO had a protective effect on the vascular endothelium. This is the first report that ISO efficiently inhibited HF-induced hyperlipidemia and liver injury by ameliorating lipid metabolism, enhancing the antioxidant defensedefense system, and regulating the secretion of inflammatory cytokines.
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Affiliation(s)
- Li Yuan
- College of Food Engineering and Nutritional Science, Shaanxi Normal University , Xi'an 710119, China
| | - Xiao Han
- College of Food Engineering and Nutritional Science, Shaanxi Normal University , Xi'an 710119, China
| | - Wenfeng Li
- College of Food Engineering and Nutritional Science, Shaanxi Normal University , Xi'an 710119, China
| | - Daoyuan Ren
- College of Food Engineering and Nutritional Science, Shaanxi Normal University , Xi'an 710119, China
| | - Xingbin Yang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University , Xi'an 710119, China
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Wu J, Jin Z, Zheng H, Yan LJ. Sources and implications of NADH/NAD(+) redox imbalance in diabetes and its complications. Diabetes Metab Syndr Obes 2016; 9:145-53. [PMID: 27274295 PMCID: PMC4869616 DOI: 10.2147/dmso.s106087] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
NAD(+) is a fundamental molecule in metabolism and redox signaling. In diabetes and its complications, the balance between NADH and NAD(+) can be severely perturbed. On one hand, NADH is overproduced due to influx of hyperglycemia to the glycolytic and Krebs cycle pathways and activation of the polyol pathway. On the other hand, NAD(+) can be diminished or depleted by overactivation of poly ADP ribose polymerase that uses NAD(+) as its substrate. Moreover, sirtuins, another class of enzymes that also use NAD(+) as their substrate for catalyzing protein deacetylation reactions, can also affect cellular content of NAD(+). Impairment of NAD(+) regeneration enzymes such as lactate dehydrogenase in erythrocytes and complex I in mitochondria can also contribute to NADH accumulation and NAD(+) deficiency. The consequence of NADH/NAD(+) redox imbalance is initially reductive stress that eventually leads to oxidative stress and oxidative damage to macromolecules, including DNA, lipids, and proteins. Accordingly, redox imbalance-triggered oxidative damage has been thought to be a major factor contributing to the development of diabetes and its complications. Future studies on restoring NADH/NAD(+) redox balance could provide further insights into design of novel antidiabetic strategies.
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Affiliation(s)
- Jinzi Wu
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Zhen Jin
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Hong Zheng
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX, USA
- Department of Basic Theory of Traditional Chinese Medicine, College of Basic Medicine, Shandong University of Traditional Chinese Medicine, Jinan, People’s Republic of China
| | - Liang-Jun Yan
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX, USA
- Correspondence: Liang-Jun Yan, Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, 3500 Camp Bowie Boulevard, Fort Worth, TX 76107, USA, Tel +1 817 735 2386, Fax +1 817 735 2603, Email
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