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Agius T, Emsley R, Lyon A, MacArthur MR, Kiesworo K, Faivre A, Stavart L, Lambelet M, Legouis D, de Seigneux S, Golshayan D, Lazeyras F, Yeh H, Markmann JF, Uygun K, Ocampo A, Mitchell SJ, Allagnat F, Déglise S, Longchamp A. Short-term hypercaloric carbohydrate loading increases surgical stress resilience by inducing FGF21. Nat Commun 2024; 15:1073. [PMID: 38316771 PMCID: PMC10844297 DOI: 10.1038/s41467-024-44866-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 01/08/2024] [Indexed: 02/07/2024] Open
Abstract
Dietary restriction promotes resistance to surgical stress in multiple organisms. Counterintuitively, current medical protocols recommend short-term carbohydrate-rich drinks (carbohydrate loading) prior to surgery, part of a multimodal perioperative care pathway designed to enhance surgical recovery. Despite widespread clinical use, preclinical and mechanistic studies on carbohydrate loading in surgical contexts are lacking. Here we demonstrate in ad libitum-fed mice that liquid carbohydrate loading for one week drives reductions in solid food intake, while nearly doubling total caloric intake. Similarly, in humans, simple carbohydrate intake is inversely correlated with dietary protein intake. Carbohydrate loading-induced protein dilution increases expression of hepatic fibroblast growth factor 21 (FGF21) independent of caloric intake, resulting in protection in two models of surgical stress: renal and hepatic ischemia-reperfusion injury. The protection is consistent across male, female, and aged mice. In vivo, amino acid add-back or genetic FGF21 deletion blocks carbohydrate loading-mediated protection from ischemia-reperfusion injury. Finally, carbohydrate loading induction of FGF21 is associated with the induction of the canonical integrated stress response (ATF3/4, NF-kB), and oxidative metabolism (PPARγ). Together, these data support carbohydrate loading drinks prior to surgery and reveal an essential role of protein dilution via FGF21.
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Affiliation(s)
- Thomas Agius
- Department of Vascular Surgery, University Hospital of Lausanne (CHUV), Lausanne, Switzerland
- Transplant Center, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Center for Engineering in Medicine, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Raffaella Emsley
- Department of Vascular Surgery, University Hospital of Lausanne (CHUV), Lausanne, Switzerland
| | - Arnaud Lyon
- Department of Vascular Surgery, University Hospital of Lausanne (CHUV), Lausanne, Switzerland
| | - Michael R MacArthur
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, USA
| | - Kevin Kiesworo
- Department of Vascular Surgery, University Hospital of Lausanne (CHUV), Lausanne, Switzerland
| | - Anna Faivre
- Laboratory of Nephrology, Department of Internal Medicine Specialties and Department of Cell Physiology and Metabolism, University of Geneva, Geneva, Switzerland
- Service of Nephrology, Department of Internal Medicine Specialties, University Hospital of Geneva, Geneva, Switzerland
| | - Louis Stavart
- Transplantation Center, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Martine Lambelet
- Department of Vascular Surgery, University Hospital of Lausanne (CHUV), Lausanne, Switzerland
| | - David Legouis
- Laboratory of Nephrology, Department of Internal Medicine Specialties and Department of Cell Physiology and Metabolism, University of Geneva, Geneva, Switzerland
- Division of Intensive Care, Department of Acute Medicine, University Hospital of Geneva, Geneva, Switzerland
| | - Sophie de Seigneux
- Laboratory of Nephrology, Department of Internal Medicine Specialties and Department of Cell Physiology and Metabolism, University of Geneva, Geneva, Switzerland
- Service of Nephrology, Department of Internal Medicine Specialties, University Hospital of Geneva, Geneva, Switzerland
| | - Déla Golshayan
- Transplantation Center, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Francois Lazeyras
- Department of Radiology and Medical Informatics, University of Geneva, Geneva, Switzerland
- Center for Biomedical Imaging (CIBM), Geneva, Switzerland
| | - Heidi Yeh
- Transplant Center, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Center for Engineering in Medicine, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - James F Markmann
- Transplant Center, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Center for Engineering in Medicine, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Korkut Uygun
- Transplant Center, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Center for Engineering in Medicine, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Alejandro Ocampo
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
| | - Sarah J Mitchell
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, USA
| | - Florent Allagnat
- Department of Vascular Surgery, University Hospital of Lausanne (CHUV), Lausanne, Switzerland
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
| | - Sébastien Déglise
- Department of Vascular Surgery, University Hospital of Lausanne (CHUV), Lausanne, Switzerland
| | - Alban Longchamp
- Department of Vascular Surgery, University Hospital of Lausanne (CHUV), Lausanne, Switzerland.
- Transplant Center, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
- Center for Engineering in Medicine, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
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Kazemi A, Racil G, Ahmadi Hekmatikar AH, Behnam Moghadam M, Karami P, Henselmans M. Improved physical performance of elite soccer players based on GPS results after 4 days of carbohydrate loading followed by 3 days of low carbohydrate diet. J Int Soc Sports Nutr 2023; 20:2258837. [PMID: 37731274 PMCID: PMC10515665 DOI: 10.1080/15502783.2023.2258837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 09/07/2023] [Indexed: 09/22/2023] Open
Abstract
BACKGROUND Carbohydrate loading is an established sports nutrition strategy for endur- 16 ance exercise performance. We tested if carbohydrate loading could improve the performance of 17 elite soccer players under ecologically valid circumstances using Global Positioning System (GPS) data. METHODS Twenty-two adult Iran Premier league soccer players were divided into a carbohydrate-loading group (CLG) and Control group (CG). The carbohydrate loading group restricted carbohydrate intake for three days to 1.5 g/kg/d while increasing exercise intensity. From days four to seven, exercise intensity was decreased and carbohydrate intake was considerably increased up to 7.5 g/kg/d on the day of the match, during which performance was analyzed using GPS data. The control group performed the same exercise training but maintained their habitual carbohydrate intake of 5-6 g/kg/d. The data were analyzed using a univariate ANCOVA with baseline data from a pre-intervention match as the control variable. RESULTS The carbohydrate loading team scored significantly higher on running distance, maximum speed and the number of top and repeated sprints; the carbohydrate loading group scored significantly lower on player load, metabolic power and running imbalance compared to the control team during their match. CONCLUSIONS Our findings suggest carbohydrate loading enabled elite soccer players to achieve greater running outputs with greater metabolic efficiency and lower fatigue compared to their habitual diets.
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Affiliation(s)
- Abdolreza Kazemi
- Vali-E-Asr University of Rafsanjan, Dept of Sports Sciences, Faculty of Literature and Humanities, Rafsanjan, Iran
| | - Ghazi Racil
- La Manouba University, Research Unit (UR 17JS01) “Sport Performance, Health & Society” Higher Institute of Sport and Physical Education of Ksar Said, Manouba, Tunis
| | | | - Mohadeseh Behnam Moghadam
- Islamic Azad University, Department of Physical Education & Sport Sciences, Faculty of Humanities, Tehran, Iran
| | - Parisa Karami
- University of Tehra, Department of Physical Education & Sport Sciences, Faculty of Humanities, Tehran, Iran
| | - Menno Henselmans
- The International Scientific Research Foundation for Fitness and Nutrition, Amsterdam, The Netherlands
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Cao H, Zhang K, Cao M, Zhang X. A commentary on 'Preoperative carbohydrate loading with individualized supplemental insulin in diabetic patients undergoing gastrointestinal surgery: a randomized trial'. Int J Surg 2023; 109:3201-3202. [PMID: 37402288 PMCID: PMC10583892 DOI: 10.1097/js9.0000000000000570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 06/10/2023] [Indexed: 07/06/2023]
Affiliation(s)
- Hanwen Cao
- Shandong First Medical University & Shandong Academy of Medical Science
| | - Ke Zhang
- Shandong First Medical University & Shandong Academy of Medical Science
| | - Mingfeng Cao
- Department of Endocrinology, The Second Affiliated Hospital of Shandong First Medical University, Shandong, People’s Republic of China
| | - Xinhuan Zhang
- Department of Endocrinology, The Second Affiliated Hospital of Shandong First Medical University, Shandong, People’s Republic of China
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Chen D, Zhang Y, Huang H, Qiu Z. A commentary on: 'Preoperative carbohydrate loading with individualized supplemental insulin in diabetic patients undergoing gastrointestinal surgery: a randomized trial'. Int J Surg 2023; 109:2141-2142. [PMID: 37288569 PMCID: PMC10389324 DOI: 10.1097/js9.0000000000000407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 04/06/2023] [Indexed: 06/09/2023]
Affiliation(s)
- Deqing Chen
- Department of Endocrinology, The People’s Hospital of Rongchang District Chongqing, China
| | | | - Huanhuan Huang
- Department of Nursing, The First Affiliated Hospital of Chongqing Medical University
| | - Zijin Qiu
- Clinical Cosmetology Teaching and Research Office, Chongqing Medical and Pharmaceutical College, Chongqing, People’s Republic of China
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Huang EY, Li JZ, Chung D, Jacobsen GR, Sandler BJ, Wadhwa A, Said E, Robbins K, Horgan S, Broderick RC. Carbohydrate Loading and Aspiration Risk in Bariatric Patients: Safety in Preoperative Enhanced Recovery Protocols. J Am Coll Surg 2023; 236:1200-1206. [PMID: 36804320 DOI: 10.1097/xcs.0000000000000665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
BACKGROUND Enhanced recovery protocols have been developed to improve perioperative outcomes; however, there is ongoing concern for aspiration with recent oral intake in patients with obesity, who may be predisposed to impaired gastrointestinal motility and greater gastric volumes. We aim to study the safety of a 300-mL preoperative carbohydrate-loading drink preceding bariatric surgery. STUDY DESIGN Data were collected prospectively from patients undergoing primary bariatric surgery. All bariatric patients at our institution are prescribed a proton pump inhibitor for 4 weeks before surgery and undergo a screening preoperative esophagogastroduodenoscopy (EGD) before surgery with a traditional 8-hour fast (NOCARB), followed by an intraoperative day-of-operation EGD with carbohydrate loading (CARB) 2 to 4 hours before incision. Gastric volumes and pH are measured after being endoscopically suctioned via direct visualization during both settings. RESULTS We identified 203 patients: 94 patients (46.3%) in the CARB group and 109 patients (53.7%) in the NOCARB group. The patients were 82.3% female with a mean age of 42.8 years and average BMI of 41.7 kg/m 2 . There was no difference in gastric volume between NOCARB and CARB (17.0 vs 16.1 mL, p = 0.59). The NOCARB group had lower pH values than the CARB group (2.8 vs 3.8, p = 0.001). Subset analysis of 23 patients who had measurements on both screening and intraoperative EGD revealed lower gastric volumes in CARB patients (13.3 vs 18.3, p < 0.0001). CONCLUSIONS When included in an enhanced recovery protocol, proton pump inhibitor use and preoperative carbohydrate loading 2 to 4 hours before bariatric surgery does not increase aspiration risk based on gastric volumes and pH and should be strongly considered in all eligible bariatric patients.
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Affiliation(s)
- Estella Y Huang
- From the Department of Surgery, Division of Minimally Invasive Surgery (Huang, Li, Chung, Jacobsen, Sandler, Horgan, Broderick), University of California, San Diego, CA
| | - Jonathan Z Li
- From the Department of Surgery, Division of Minimally Invasive Surgery (Huang, Li, Chung, Jacobsen, Sandler, Horgan, Broderick), University of California, San Diego, CA
| | - Daniel Chung
- From the Department of Surgery, Division of Minimally Invasive Surgery (Huang, Li, Chung, Jacobsen, Sandler, Horgan, Broderick), University of California, San Diego, CA
| | - Garth R Jacobsen
- From the Department of Surgery, Division of Minimally Invasive Surgery (Huang, Li, Chung, Jacobsen, Sandler, Horgan, Broderick), University of California, San Diego, CA
| | - Bryan J Sandler
- From the Department of Surgery, Division of Minimally Invasive Surgery (Huang, Li, Chung, Jacobsen, Sandler, Horgan, Broderick), University of California, San Diego, CA
| | - Anupama Wadhwa
- Department of Anesthesiology, University of Texas Southwestern, Dallas, TX (Wadhwa)
| | - Engy Said
- Department of Anesthesiology (Said, Robbins), University of California, San Diego, CA
| | - Kimberly Robbins
- Department of Anesthesiology (Said, Robbins), University of California, San Diego, CA
| | - Santiago Horgan
- From the Department of Surgery, Division of Minimally Invasive Surgery (Huang, Li, Chung, Jacobsen, Sandler, Horgan, Broderick), University of California, San Diego, CA
| | - Ryan C Broderick
- From the Department of Surgery, Division of Minimally Invasive Surgery (Huang, Li, Chung, Jacobsen, Sandler, Horgan, Broderick), University of California, San Diego, CA
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Ngo F, Urman RD, English W, Kothari S, DeMaria E, Wadhwa A. An analysis of enhanced recovery pathways for bariatric surgery-preoperative fasting, carbohydrate loading, and aspiration risk: a position statement from the International Society for the Perioperative Care of Patients with Obesity. Surg Obes Relat Dis 2023; 19:171-177. [PMID: 36732143 DOI: 10.1016/j.soard.2022.12.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 12/10/2022] [Indexed: 01/06/2023]
Abstract
Enhanced recovery pathways (ERPs) and recommendations have become widely accepted for metabolic and bariatric surgery, including recommendations for preoperative carbohydrate loading and duration of fasting status. There is still a lack of consensus regarding such protocols and the underlying issues of gastric emptying time, resting gastric volume and pH, and risk of aspiration in patients with severe obesity and in patients undergoing bariatric surgery. The goal of this position statement by the International Society for the Perioperative Care of Patients with Obesity (ISPCOP) is to provide an analysis of available data on preoperative fasting and loading with oral complex clear carbohydrate drinks as well its potential effects on perioperative risk of aspiration in the context of Enhanced Recovery Pathways for Metabolic and Bariatric Surgery (ERAMBS).
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Affiliation(s)
- Fallon Ngo
- Department of Anesthesiology and Pain Management, University of Texas, Southwestern Medical Center, Dallas, Texas
| | - Richard D Urman
- International Society of Perioperative Care of Patients with Obesity, Lynnwood, Washington; Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | - Wayne English
- Department of Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Shanu Kothari
- Department of Surgery, University of South Carolina Greenville, Prisma Health - Greenville Memorial Medical Campus, Greenville, South Carolina.
| | - Eric DeMaria
- Department of Surgery, East Carolina University, Greenville, North Carolina
| | - Anupama Wadhwa
- Department of Anesthesiology and Pain Management, University of Texas, Southwestern Medical Center, Dallas, Texas; International Society of Perioperative Care of Patients with Obesity, Lynnwood, Washington; Outcomes Research Consortium, Cleveland Clinic, Cleveland, Ohio
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Iwayama K, Tanabe Y, Yajima K, Tanji F, Onishi T, Takahashi H. Preexercise High-Fat Meal Following Carbohydrate Loading Attenuates Glycogen Utilization During Endurance Exercise in Male Recreational Runners. J Strength Cond Res 2023; 37:661-668. [PMID: 36165996 DOI: 10.1519/jsc.0000000000004311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
ABSTRACT Iwayama, K, Tanabe, Y, Yajima, K, Tanji, F, Onishi, T, and Takahashi, H. Preexercise high-fat meal following carbohydrate loading attenuates glycogen utilization during endurance exercise in male recreational runners. J Strength Cond Res 37(3): 661-668, 2023-This study aimed to investigate whether one preexercise high-fat meal can increase glycogen conservation during endurance exercise, as compared with one preexercise high-carbohydrate meal. Ten young male recreational runners (22.0 ± 0.6 years; 171.3 ± 0.9 cm; 58.3 ± 1.9 kg; maximal oxygen uptake [V̇ o2 max], 62.0 ± 1.6 ml·kg -1 ·min -1 ) completed 2 exercise trials after high-carbohydrate loading: eating a high-carbohydrate (CHO; 7% protein, 13% fat, 80% carbohydrate) meal or eating a high-fat (FAT; 7% protein, 42% fat, 52% carbohydrate) meal 3.5 hours before exercise. The order of the 2 trials was randomized, and the interval between trials was at least 1 week. The experimental exercise consisted of running on a treadmill for 60 minutes at 95% of each subject's lactate threshold. Muscle and liver glycogen content were assessed using noninvasive carbon magnetic resonance spectroscopy before the experimental meal as well as before and after exercise; respiratory gases were measured continuously during exercise. The respiratory exchange ratio during exercise was statistically lower in the FAT trial than in the CHO trial ( p < 0.01). In addition, muscle ( p < 0.05) and liver ( p < 0.05) glycogen utilization during exercise was less in the FAT trial than in the CHO trial. Therefore, one high-fat meal following carbohydrate loading reduced muscle and liver glycogen use during the 60-minute exercise. These results suggest that this dietary approach may be applied as a strategy to optimize energy utilization during endurance exercise.
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Affiliation(s)
- Kaito Iwayama
- Faculty of Budo and Sport Studies, Tenri University, Nara, Japan
| | - Yoko Tanabe
- Faculty of Health and Sport Sciences, University of Tsukuba, Ibaraki, Japan
| | - Katsuhiko Yajima
- Department of Nutritional Physiology, Faculty of Pharmaceutical Sciences, Josai University, Saitama, Japan
| | - Fumiya Tanji
- Sport Medical Science Research Institute, Tokai University, Kanagawa, Japan ; and
| | - Takahiro Onishi
- Medical Center, Japan Institute of Sports Sciences, Tokyo, Japan
| | - Hideyuki Takahashi
- Faculty of Health and Sport Sciences, University of Tsukuba, Ibaraki, Japan
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Dywicki J, Buitrago‐Molina LE, Noyan F, Davalos‐Misslitz AC, Hupa‐Breier KL, Lieber M, Hapke M, Schlue J, Falk CS, Raha S, Prinz I, Koenecke C, Manns MP, Wedemeyer H, Hardtke‐Wolenski M, Jaeckel E. The Detrimental Role of Regulatory T Cells in Nonalcoholic Steatohepatitis. Hepatol Commun 2022; 6:320-333. [PMID: 34532981 PMCID: PMC8793993 DOI: 10.1002/hep4.1807] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 07/02/2021] [Accepted: 07/14/2021] [Indexed: 12/26/2022] Open
Abstract
Nonalcoholic steatohepatitis (NASH) is induced by steatosis and metabolic inflammation. While involvement of the innate immune response has been shown, the role of the adaptive immune response in NASH remains controversial. Likewise, the role of regulatory T cells (Treg) in NASH remains unclear although initial clinical trials aim to target these regulatory responses. High-fat high-carbohydrate (HF-HC) diet feeding of NASH-resistant BALB/c mice as well as the corresponding recombination activating 1 (Rag)-deficient strain was used to induce NASH and to study the role of the adaptive immune response. HF-HC diet feeding induced strong activation of intrahepatic T cells in BALB/c mice, suggesting an antigen-driven effect. In contrast, the effects of the absence of the adaptive immune response was notable. NASH in BALB/c Rag1-/- mice was substantially worsened and accompanied by a sharp increase of M1-like macrophage numbers. Furthermore, we found an increase in intrahepatic Treg numbers in NASH, but either adoptive Treg transfer or anti-cluster of differentiation (CD)3 therapy unexpectedly increased steatosis and the alanine aminotransferase level without otherwise affecting NASH. Conclusion: Although intrahepatic T cells were activated and marginally clonally expanded in NASH, these effects were counterbalanced by increased Treg numbers. The ablation of adaptive immunity in murine NASH led to marked aggravation of NASH, suggesting that Tregs are not regulators of metabolic inflammation but rather enhance it.
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Affiliation(s)
- Janine Dywicki
- Department of Gastroenterology, Hepatology, and EndocrinologyHannover Medical SchoolHannoverGermany
| | - Laura Elisa Buitrago‐Molina
- Department of Gastroenterology, Hepatology, and EndocrinologyHannover Medical SchoolHannoverGermany
- Department of Gastroenterology and HepatologyEssen University HospitalUniversity Duisburg‐EssenEssenGermany
| | - Fatih Noyan
- Department of Gastroenterology, Hepatology, and EndocrinologyHannover Medical SchoolHannoverGermany
| | - Ana C. Davalos‐Misslitz
- Department of Gastroenterology, Hepatology, and EndocrinologyHannover Medical SchoolHannoverGermany
| | - Katharina L. Hupa‐Breier
- Department of Gastroenterology, Hepatology, and EndocrinologyHannover Medical SchoolHannoverGermany
| | - Maren Lieber
- Department of Gastroenterology, Hepatology, and EndocrinologyHannover Medical SchoolHannoverGermany
| | - Martin Hapke
- Department of Gastroenterology, Hepatology, and EndocrinologyHannover Medical SchoolHannoverGermany
| | - Jerome Schlue
- Institute of PathologyHannover Medical SchoolHannoverGermany
| | - Christine S. Falk
- Institute of Transplant ImmunologyHannover Medical SchoolHannoverGermany
| | - Solaiman Raha
- Institute of ImmunologyHannover Medical SchoolHannoverGermany
| | - Immo Prinz
- Institute of ImmunologyHannover Medical SchoolHannoverGermany
- Institute of Systems ImmunologyUniversity Medical Center Hamburg‐EppendorfHamburgGermany
| | - Christian Koenecke
- Institute of ImmunologyHannover Medical SchoolHannoverGermany
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell TransplantationHannover Medical SchoolHannoverGermany
| | - Michael P. Manns
- Department of Gastroenterology, Hepatology, and EndocrinologyHannover Medical SchoolHannoverGermany
| | - Heiner Wedemeyer
- Department of Gastroenterology and HepatologyEssen University HospitalUniversity Duisburg‐EssenEssenGermany
| | - Matthias Hardtke‐Wolenski
- Department of Gastroenterology, Hepatology, and EndocrinologyHannover Medical SchoolHannoverGermany
- Department of Gastroenterology and HepatologyEssen University HospitalUniversity Duisburg‐EssenEssenGermany
| | - Elmar Jaeckel
- Department of Gastroenterology, Hepatology, and EndocrinologyHannover Medical SchoolHannoverGermany
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Li X, Liu L, Liang XQ, Li YT, Wang DX. Preoperative carbohydrate loading with individualized supplemental insulin in diabetic patients undergoing gastrointestinal surgery: A randomized trial. Int J Surg 2022; 98:106215. [PMID: 34995804 DOI: 10.1016/j.ijsu.2021.106215] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/03/2021] [Accepted: 12/18/2021] [Indexed: 01/07/2023]
Abstract
BACKGROUND Preoperative carbohydrate drink is used to improve patients' comfort and recovery, but evidence remains limited in diabetic patients. Herein we investigated the effects of preoperative carbohydrate loading with individualized supplemental insulin regimen in diabetic patients undergoing gastrointestinal surgery. METHODS A total of 63 adult patients with type 2 diabetes mellitus undergoing major gastrointestinal surgery were randomized to receive either carbohydrate loading with individualized supplemental insulin (Carbohydrate group) or routine management (Control group). The primary outcome was time to first flatus after surgery. Among secondary outcomes, subjective feelings of thirsty, hunger and fatigue were assessed with the Visual Analogue Scale (scores range from 0 to 100, where 0 indicate no discomfort and 100 the most severe discomfort) before and after surgery. Adverse events were monitored until 24 h after surgery. RESULTS All patients were included in the intention-to-treat analysis. Time to first flatus did not differ between groups (median 41 h [IQR 18-69] in the Control group vs. 43 h [27-54] in the Carbohydrate group; hazard ratio 1.24 [95% CI 0.74-2.07]; P = 0.411). The VAS score of preoperative subject feeling of thirsty (median difference -33 [95% CI -50 to -15], P < 0.001), hunger (-25 [-40 to -10], P < 0.001), and fatigue (-5 [-30 to 0], P = 0.004), as well as postoperative subject feeling of thirsty (-50 [-60 to -30], P < 0.001), hunger (-20 [-40 to 0], P = 0.003), and fatigue (0 [-20 to 0], P = 0.020) were all significantly lower in the Carbohydrate group than in the Control group. Intraoperative hypotension (40.6% [13/32] vs. 16.1% [5/31], P = 0.031) and postoperative nausea and vomiting within 24 h (31.3% [10/32] vs. 9.7% [3/31], P = 0.034) occurred less in patients given carbohydrate drink. CONCLUSION In diabetic patients undergoing gastrointestinal surgery, preoperative carbohydrate loading with individualized supplemental insulin did not promote gastrointestinal recovery but improved perioperative well-being.
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Affiliation(s)
- Xue Li
- Department of Anesthesiology and Critical Care Medicine, Peking University First Hospital, Beijing, China Department of Endocrinology, Peking University First Hospital, Beijing, China OUTCOMES RESEARCH Consortium, Cleveland, OH, USA
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Marchant ED, Marchant ND, Hyldahl RD, Gifford JR, Smith MW, Hancock CR. Skeletal Muscle Mitochondrial Function after a 100-km Ultramarathon: A Case Study in Monozygotic Twins. Med Sci Sports Exerc 2021; 53:2363-2373. [PMID: 34107508 DOI: 10.1249/mss.0000000000002715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
PURPOSE Very little research has investigated the effects of ultraendurance exercise on the bioenergetic status of muscle. The primary objective of this case study was to characterize the changes that occur in skeletal muscle mitochondria in response to a 100-km ultramarathon in monozygotic twins. A second objective was to determine whether mitochondrial function is altered by consuming a periodized low-carbohydrate, high-fat diet during training compared with a high-carbohydrate diet. METHODS One pair of male monozygotic twins ran 100 km on treadmills after 4 wk of training on either a high-carbohydrate or periodized low-carbohydrate, high-fat diet. Muscle biopsies were collected 4 wk before the run, as well as 4 and 52 h postrun. Blood draws were also performed immediately before as well as 4 and 52 h after the run. RESULTS Four hours postrun, respiratory capacity, citrate synthase activity, and mitochondrial complex protein content were decreased. Two days later, both twins showed signs of rapid recovery in several of these measures. Furthermore, blood levels of creatine phosphokinase, C-reactive protein, and aspartate transaminase were elevated 4 h after the run but partially recovered 2 d later. CONCLUSION Although there were some differences between the twins, the primary finding is that there is significant mitochondrial impairment induced by running 100 km, which rapidly recovers within 2 d. These results provide ample rationale for future investigations of the effects of ultraendurance activity on mitochondrial function.
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Affiliation(s)
- Erik D Marchant
- Nutrition, Dietetics and Food Science, Brigham Young University, Provo, UT
| | - Nathan D Marchant
- Nutrition, Dietetics and Food Science, Brigham Young University, Provo, UT
| | | | | | - Michael W Smith
- Nutrition, Dietetics and Food Science, Brigham Young University, Provo, UT
| | - Chad R Hancock
- Nutrition, Dietetics and Food Science, Brigham Young University, Provo, UT
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11
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Mirdha P, Nalgirkar V, Patil A, Potaliya P, Gupta VK. Effect of Carbohydrate Loading on Resistance Exercise and Muscle Mass: A Prospective Study. Mymensingh Med J 2021; 30:826-829. [PMID: 34226474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The objective of the study was to assess the outcome of carbohydrate loading dietary strategy on resistance exercise and muscle mass. In this prospective study, conducted at Dr DY Patil Gym and Fitness Center, Navi Mumbai (India), young healthy male resistance-trained individuals (18-25 years) were recruited randomly. The duration for entire study was three months in the year 2019. Participants were divided into two groups (n=30 each): carbohydrate loading group and control group. Participants in the carbohydrate loading group consumed carbohydrate loading diet protocol and designed exercise program for seven days. The control group consumed a regular diet with an exercise program. Resistance exercise (strength) and body circumference (muscle mass) measurements were recorded after seven days of respective assigned diet and exercise program. In the carbohydrate loading group, performance in resistance exercise was not significant from baseline to day seven (63.5±6.45 vs. 64.0±6.75 kg; p>0.05). Changes in the arm girth (p=0.3256), thigh girth (p=0.3256) and calf girth (p=0.1608) were also not significant in the carbohydrate loading group when compared from baseline to seven days. Therefore, the result indicates that the carbohydrate loading regimen had no enhanced effect on resistance exercise as well as muscle girth. This study results suggest that carbohydrate loading has no additional advantage in improving resistance exercise and muscle mass in resistance-trained individuals.
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Affiliation(s)
- P Mirdha
- Dr Priyanka Mirdha, Assistant Lecturer, Department of Physiology, Dr DY Patil Medical College, Navi Mumbai, Maharashtra, India; E-mail:
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12
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Abstract
PURPOSE We recently demonstrated that coingestion of NaHCO3 to counteract ketoacidosis resulting from oral ketone ester (KE) intake improves mean power output during a 15-min time trial (TT) at the end of a 3-h cycling race by ~5%. This ergogenic effect occurred at a time when blood ketone levels were low, as ketosis was only induced during the initial ~2 h of the race. Therefore, in the current study, we investigated whether performance also increases if blood ketone levels are increased in the absence of ketoacidosis during high-intensity exercise. METHODS In a double-blind crossover design, 14 well-trained male cyclists completed a 30-min TT (TT30') followed by an all-out sprint at 175% of lactate threshold (SPRINT). Subjects were randomized to receive (i) 50 g KE, (ii) 180 mg·kg-1 body weight NaHCO3 (BIC), (iii) KE + BIC, or (iv) a control drink (CON). RESULTS KE ingestion increased blood d-ß-hydroxybutyrate to ~3-4 mM during the TT30' and SPRINT (P < 0.001 vs CON). In KE, blood pH and bicarbonate concomitantly dropped, causing 0.05 units lower pH and 2.6 mM lower bicarbonate in KE compared with CON during the TT30' and SPRINT (P < 0.001 vs CON). BIC coingestion resulted in 0.9 mM higher blood d-ß-hydroxybutyrate (P < 0.001 vs KE) and completely counteracted ketoacidosis during exercise (P > 0.05 vs CON). Mean power output during TT30' was similar between CON and BIC at 281 W, but was 1.5% lower in the KE conditions (main effect of KE: P = 0.03). Time to exhaustion in the SPRINT was ~64 s in CON and KE and increased by ~8% in the BIC conditions (main effect of BIC: P < 0.01). DISCUSSION Neutralization of acid-base disturbance by BIC coingestion is insufficient to counteract the slightly negative effect of KE intake during high-intensity exercise.
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Affiliation(s)
- CHIEL POFFÉ
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, BELGIUM
| | - FELIX WYNS
- Bakala Academy-Athletic Performance Center, KU Leuven, Leuven, BELGIUM
| | - MONIQUE RAMAEKERS
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, BELGIUM
| | - PETER HESPEL
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, BELGIUM
- Bakala Academy-Athletic Performance Center, KU Leuven, Leuven, BELGIUM
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13
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Abstract
This study aimed to compare the distribution of vitamin E analogs, particularly α-tocopherol and δ-tocopherol, in mice fed with a normal diet and a high-fat and high-sucrose diet separately. We used male C57BL/6JJcl strain mice, which were divided into six groups (control [C], Cα, Cδ, high-fat and high-sucrose [H], Hα, and Hδ groups) and bred for 4 weeks. The additional quantity of α-tocopherol or E-mix D (containing 86.7% δ-tocopherol) into diet was 800 mg/kg diet. The final body weight was significantly higher in the H group than in the C group. However, the effects of vitamin E analog intake had no significant difference, with no synergy between vitamin E and diet. Similar results were obtained in epididymal fat weight. Moreover, α-tocopherol was mainly distributed in the liver in both the Cα group and Hα group, whereas δ-tocopherol mostly accumulated in the epididymal fat, in both the Cδ group and Hδ group. Also, δ-tocopherol was detected in all tissues in both groups. Both the α-tocopherol and δ-tocopherol levels in the epididymal fat were significantly lower in the H group than in the C group. In conclusion, our results suggest that a portion of δ-tocopherol was incorporated into the adipose tissue by chylomicron before arriving at the liver, and then it is metabolized in the liver.
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Affiliation(s)
- Chikako Kiyose
- Department of Nutrition and Life Science, Kanagawa Institute of Technology
| | - Hiroaki Nishikawa
- Department of Nutrition and Life Science, Kanagawa Institute of Technology
| | - Mana Nagase
- Department of Nutrition and Life Science, Kanagawa Institute of Technology
| | - Rieko Tanaka-Yachi
- Department of Pharmacology, National Center for Child Health and Development
| | - Chie Takahashi-Muto
- Department of Clinical Nutrition, Kitasato Junior College of Health and Hygienic Sciences
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14
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Kotfis K, Jamioł-Milc D, Skonieczna-Żydecka K, Folwarski M, Stachowska E. Reply to: "Preoperative Carbohydrate Loading on Outcomes after Cardiac Surgery: A Flawed Meta-Analysis. Comment on: The Effect of Preoperative Carbohydrate Loading on Clinical and Biochemical Outcomes after Cardiac Surgery: A Systematic Review and Meta-Analysis of Randomized Trials. Nutrients 2020, 12, 3904". Nutrients 2020; 12:E3905. [PMID: 33371235 PMCID: PMC7766099 DOI: 10.3390/nu12123905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 12/04/2020] [Indexed: 11/17/2022] Open
Abstract
We appreciate the thoughts and questions posed by Drs Dileep N Lobo and Girish P Joshi [...].
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Affiliation(s)
- Katarzyna Kotfis
- Department of Anesthesiology, Intensive Therapy and Acute Intoxications, Pomeranian Medical University, 70-111 Szczecin, Poland;
| | - Dominika Jamioł-Milc
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (E.S.)
| | - Karolina Skonieczna-Żydecka
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (E.S.)
| | - Marcin Folwarski
- Department of Clinical Nutrition and Dietetics, Medical University of Gdansk, 80-210 Gdansk, Poland;
- Home Enteral and Parenteral Nutrition Unit, General Surgery, Nicolaus Copernicus Hospital, 80-210 Gdansk, Poland
| | - Ewa Stachowska
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (E.S.)
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15
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Lobo DN, Joshi GP. Preoperative Carbohydrate Loading on Outcomes after Cardiac Surgery: A Flawed Meta-Analysis. Comment on: "The Effect of Preoperative Carbohydrate Loading on Clinical and Biochemical Outcomes after Cardiac Surgery: A Systematic Review and Meta-Analysis of Randomized Trials". Nutrients 2020, 12, 3105. Nutrients 2020; 12:E3904. [PMID: 33371203 PMCID: PMC7766376 DOI: 10.3390/nu12123904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 12/04/2020] [Indexed: 01/17/2023] Open
Abstract
We read, with interest, the publication in Nutrients on the effects of preoperative carbohydrate loading on outcomes after cardiac surgery [...].
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Affiliation(s)
- Dileep N. Lobo
- Gastrointestinal Surgery, Nottingham Digestive Diseases Centre, National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Queen’s Medical Centre, Nottingham NG7 2UH, UK
- MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, School of Life Sciences, University of Nottingham, Queen’s Medical Centre, Nottingham NG7 2UH, UK
| | - Girish P. Joshi
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, TX 75390-9068, USA;
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16
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Durand R, Ouellette A, Houde VP, Guénard F, Varin TV, Marcotte B, Pilon G, Fraboulet E, Vohl MC, Marette A, Bazinet L. Animal and Cellular Studies Demonstrate Some of the Beneficial Impacts of Herring Milt Hydrolysates on Obesity-Induced Glucose Intolerance and Inflammation. Nutrients 2020; 12:nu12113235. [PMID: 33105775 PMCID: PMC7690616 DOI: 10.3390/nu12113235] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 10/13/2020] [Accepted: 10/16/2020] [Indexed: 12/14/2022] Open
Abstract
The search for bioactive compounds from enzymatic hydrolysates has increased in the last few decades. Fish by-products have been shown to be rich in these valuable molecules; for instance, herring milt is a complex matrix composed of lipids, nucleotides, minerals, and proteins. However, limited information is available on the potential health benefits of this by-product. In this context, three industrial products containing herring milt hydrolysate (HMH) were tested in both animal and cellular models to measure their effects on obesity-related metabolic disorders. Male C57Bl/6J mice were fed either a control chow diet or a high-fat high-sucrose (HFHS) diet for 8 weeks and received either the vehicle (water) or one of the three HMH products (HMH1, HMH2, and HMH3) at a dose of 208.8 mg/kg (representing 1 g/day for a human) by daily oral gavage. The impact of HMH treatments on insulin and glucose tolerance, lipid homeostasis, liver gene expression, and the gut microbiota profile was studied. In parallel, the effects of HMH on glucose uptake and inflammation were studied in L6 myocytes and J774 macrophages, respectively. In vivo, daily treatment with HMH2 and HMH3 improved early time point glycemia during the oral glucose tolerance test (OGTT) induced by the HFHS diet, without changes in weight gain and insulin secretion. Interestingly, we also observed that HMH2 consumption partially prevented a lower abundance of Lactobacillus species in the gut microbiota of HFHS diet-fed animals. In addition to this, modulations of gene expression in the liver, such as the upregulation of sucrose nonfermenting AMPK-related kinase (SNARK), were reported for the first time in mice treated with HMH products. While HMH2 and HMH3 inhibited inducible nitric oxide synthase (iNOS) induction in J774 macrophages, glucose uptake was not modified in L6 muscle cells. These results indicate that milt herring hydrolysates reduce some metabolic and inflammatory alterations in cellular and animal models, suggesting a possible novel marine ingredient to help fight against obesity-related immunometabolic disorders.
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Affiliation(s)
- Rachel Durand
- Department of food Sciences and Laboratory of Food Processing and Electromembrane Process (LTAPEM), Université Laval, Québec, QC G1V 0A6, Canada;
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada; (A.O.); (V.P.H.); (F.G.); (T.V.V.); (B.M.); (G.P.); (M.-C.V.); (A.M.)
| | - Adia Ouellette
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada; (A.O.); (V.P.H.); (F.G.); (T.V.V.); (B.M.); (G.P.); (M.-C.V.); (A.M.)
- Québec Heart and Lung Institute, Department of medicine, Université Laval, QC G1V 4G5 Québec, Canada
| | - Vanessa P. Houde
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada; (A.O.); (V.P.H.); (F.G.); (T.V.V.); (B.M.); (G.P.); (M.-C.V.); (A.M.)
- Québec Heart and Lung Institute, Department of medicine, Université Laval, QC G1V 4G5 Québec, Canada
| | - Frédéric Guénard
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada; (A.O.); (V.P.H.); (F.G.); (T.V.V.); (B.M.); (G.P.); (M.-C.V.); (A.M.)
- School of Nutrition, Université Laval, Québec, QC G1V 0A6, Canada
| | - Thibaut V. Varin
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada; (A.O.); (V.P.H.); (F.G.); (T.V.V.); (B.M.); (G.P.); (M.-C.V.); (A.M.)
- Québec Heart and Lung Institute, Department of medicine, Université Laval, QC G1V 4G5 Québec, Canada
| | - Bruno Marcotte
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada; (A.O.); (V.P.H.); (F.G.); (T.V.V.); (B.M.); (G.P.); (M.-C.V.); (A.M.)
- Québec Heart and Lung Institute, Department of medicine, Université Laval, QC G1V 4G5 Québec, Canada
| | - Geneviève Pilon
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada; (A.O.); (V.P.H.); (F.G.); (T.V.V.); (B.M.); (G.P.); (M.-C.V.); (A.M.)
- Québec Heart and Lung Institute, Department of medicine, Université Laval, QC G1V 4G5 Québec, Canada
| | | | - Marie-Claude Vohl
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada; (A.O.); (V.P.H.); (F.G.); (T.V.V.); (B.M.); (G.P.); (M.-C.V.); (A.M.)
- School of Nutrition, Université Laval, Québec, QC G1V 0A6, Canada
| | - André Marette
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada; (A.O.); (V.P.H.); (F.G.); (T.V.V.); (B.M.); (G.P.); (M.-C.V.); (A.M.)
- Québec Heart and Lung Institute, Department of medicine, Université Laval, QC G1V 4G5 Québec, Canada
| | - Laurent Bazinet
- Department of food Sciences and Laboratory of Food Processing and Electromembrane Process (LTAPEM), Université Laval, Québec, QC G1V 0A6, Canada;
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada; (A.O.); (V.P.H.); (F.G.); (T.V.V.); (B.M.); (G.P.); (M.-C.V.); (A.M.)
- Correspondence: ; Tel.: +418-656-2131-7445; Fax: +418-656-3353
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17
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Kotfis K, Jamioł-Milc D, Skonieczna-Żydecka K, Folwarski M, Stachowska E. The Effect of Preoperative Carbohydrate Loading on Clinical and Biochemical Outcomes after Cardiac Surgery: A Systematic Review and Meta-Analysis of Randomized Trials. Nutrients 2020; 12:nu12103105. [PMID: 33053694 PMCID: PMC7600335 DOI: 10.3390/nu12103105] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/04/2020] [Accepted: 10/06/2020] [Indexed: 12/11/2022] Open
Abstract
Background and aim: Preoperative fasting leads to metabolic stress and causes insulin resistance in patients undergoing cardiac surgery. The aim of this study was to assess the effect of preoperative oral carbohydrate loading (OCH) on outcome in patients undergoing planned cardiac surgery by systematically reviewing the literature and synthesizing evidence from randomized controlled trials (RCTs). Methods: Systematic search of PubMed/MEDLINE/Embase/Cinahl/Web of Science/ClinicalTrials databases was performed to identify relevant RCTs from databased inception until 05/03/2020. We included studies that compared outcome measures between OCH with control (placebo or standard starvation). We conducted a random-effect meta-analysis of clinical and biochemical parameters. Results: Nine studies (N = 9) were included with a total of 507 patients. OCH significantly decreased aortic clamping duration (n = 151, standardized mean difference (SMD) = −0.28, 95% confidence interval (CI) = −0.521 to −0.038, p = 0.023 and differences in means (DM) = −6.388, 95%CI = −11.246 to −1.529, p = 0.010). Patients from treatment groups had shorter intensive care unit (ICU) stay (n = 202, SMD = −0.542, 95%CI = −0.789 to −0.295, p < 0.001 and DM = −25.925, 95%CI = −44.568 to −7.283, p = 0.006) and required fewer units of insulin postoperatively (n = 85, SMD = −0.349, 95%CI = −0.653 to −0.044, p = 0.025 and DM = −4.523, 95%CI = −8.417 to −0.630, p = 0.023). The necessity to use inotropic drugs was significantly lower in the OCH group (risk ratio (RR) = 0.795, 95%CI = 0.689 to 0.919, p = 0.002). All other primary outcomes did not reveal a significant effect. Conclusions: Preoperative OCH in patients undergoing cardiac surgery demonstrated a 20% reduction in the use of inotropic drugs, a 50% reduction of the length of ICU stay, a 28% decrease in aortic clamping duration and a 35% decrease of postoperative insulin requirement.
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Affiliation(s)
- Katarzyna Kotfis
- Department of Anesthesiology, Intensive Therapy and Acute Intoxications, Pomeranian Medical University, 70-111 Szczecin, Poland;
| | - Dominika Jamioł-Milc
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (E.S.)
- Correspondence: ; Tel.: +48-91-441-48-06; Fax: +48-91-441-48-07
| | - Karolina Skonieczna-Żydecka
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (E.S.)
| | - Marcin Folwarski
- Department of Clinical Nutrition and Dietetics, Medical University of Gdansk, 80-210 Gdansk, Poland;
- Home Enteral and Parenteral Nutrition Unit, General Surgery, Nicolaus Copernicus Hospital, 80-210 Gdansk, Poland
| | - Ewa Stachowska
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland; (K.S.-Ż.); (E.S.)
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You JJ, Ren P, He S, Liang XF, Xiao QQ, Zhang YP. Histone Methylation of H3K4 Involved in the Anorexia of Carnivorous Mandarin Fish ( Siniperca chuatsi) After Feeding on a Carbohydrate-Rich Diet. Front Endocrinol (Lausanne) 2020; 11:323. [PMID: 32636801 PMCID: PMC7316955 DOI: 10.3389/fendo.2020.00323] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 04/27/2020] [Indexed: 12/15/2022] Open
Abstract
Food intake of carnivorous fish decreases after feeding on a carbohydrate-rich diet. However, the molecular mechanism underlying the anorexia caused by high-carbohydrate diets has remained elusive. We domesticated the mandarin fish to feed on carbohydrate-rich (8%) diets. After 61 days of feeding, several fish (Group A) fed well on artificial diets during the whole feeding period; the other fish (Group B) fed well on artificial diets at the beginning of the feeding period, with their food intake then decreasing to half (anorexia) and then to zero for 5 days; and, finally, a negative control (Group C) fed on live prey fish throughout the experimental process. The plasma glucose was significantly higher in the mandarin fish of Group B than in those of Group A, whereas levels of hepatic glycogen and plasma triglyceride were significantly lower. Using transcriptome sequencing, we investigated the differentially expressed genes between Groups A and B and excluded the genes that were not differentially expressed between Groups A and C. The activation of mTOR and Jak/STAT pathways were found in the mandarin fish with anorexia, which was consistent with the higher expression levels of pepck and pomc genes. We found a higher expression of histone methyltransferase setd1b gene and an increased histone H3 tri-methylated at lysine 4 (H3K4me3) in the fish of Group B. Furthermore, using ChIP assay and inhibitor treatment, we found that the up-regulated H3K4me3 could activate pepck expression, which might have contributed to the hyperglycemia and anorexia in the mandarin fish that fed on carbohydrate-rich diets. Our study initially indicated a link between histone methylation and pepck expression, which might be a novel regulatory mechanism of fish who are fed a carbohydrate-rich diet.
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Affiliation(s)
- Jun-Jie You
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, Wuhan, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, China
| | - Ping Ren
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, Wuhan, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, China
| | - Shan He
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, Wuhan, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, China
- *Correspondence: Shan He
| | - Xu-Fang Liang
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, Wuhan, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, China
| | - Qian-Qian Xiao
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, Wuhan, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, China
| | - Yan-Peng Zhang
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, Wuhan, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, China
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Yang CF, Lai SS, Chen YH, Liu D, Liu B, Ai C, Wan XZ, Gao LY, Chen XH, Zhao C. Anti-diabetic effect of oligosaccharides from seaweed Sargassum confusum via JNK-IRS1/PI3K signalling pathways and regulation of gut microbiota. Food Chem Toxicol 2019; 131:110562. [PMID: 31181236 DOI: 10.1016/j.fct.2019.110562] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 06/05/2019] [Accepted: 06/06/2019] [Indexed: 12/18/2022]
Abstract
Brown seaweed Sargassum confusum (C. Agardh) has been used in traditional Chinese medicine to treat a variety of diseases. The aim of the present study was to evaluate the anti-diabetic effect of oligosaccharides from brown seaweed S. confusum (SCO). The anti-diabetic effect of SCO was evaluated in vivo using high-fat/high-sucrose fed hamsters. Molecular mechanisms of modulating gene expression of specific members of insulin signaling pathways were determined. The components of the intestinal microflora in diabetic animals were also analyzed by high-throughput 16S rRNA gene sequencing. And it was found that SCO had a sequence of sulfated anhydrogalactose and methyl sulfated galactoside units. Fasting blood glucose levels were significantly decreased after SCO administration. Histology showed that SCO could protect the cellular architecture of the liver. SCO could also significantly increase the relative abundance of Lactobacillus and Clostridium XIVa and decrease that of Allobaculum, Bacteroides and Clostridium IV. The active role of SCO in anti-diabetic effect was revealed by its regulation of insulin receptor substrate 1/phosphatidylinositol 3-kinase and c-Jun N-terminal kinase pathways. These results suggested that SCO might be used as a functional material to regulate gut microbiota in obese and diabetic individuals.
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Affiliation(s)
- Cheng-Feng Yang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China; College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Shan-Shan Lai
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China; School of Food Science and Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Yi-Han Chen
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Dan Liu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Bin Liu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Chao Ai
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Xu-Zhi Wan
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Lu-Ying Gao
- Department of Pediatrics, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Xin-Hua Chen
- Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China
| | - Chao Zhao
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China; Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China; Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Taipa, Macau, China.
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20
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Stygar D, Skrzep-Poloczek B, Romuk E, Chełmecka E, Poloczek J, Sawczyn T, Maciarz J, Kukla M, Karcz KW, Jochem J. The influence of high-fat, high-sugar diet and bariatric surgery on HSP70 and HSP90 plasma and liver concentrations in diet-induced obese rats. Cell Stress Chaperones 2019; 24:427-439. [PMID: 30840227 PMCID: PMC6439084 DOI: 10.1007/s12192-019-00976-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 01/22/2019] [Accepted: 01/30/2019] [Indexed: 12/31/2022] Open
Abstract
Metabolic surgery ameliorates insulin resistance and is associated with long-term, effective weight loss, but the mechanisms involved remain unknown. Here, the duodenal-jejunal omega switch (DJOS) surgery in combination with high-fat, high-carbohydrate diet was performed on diet obese rats and joint effects of bariatric surgery and different dietary patterns on heat shock protein 70 (HSP70) and HSP90 plasma and liver concentrations were measured. We found that plasma and liver levels of HSP70 were lower after DJOS surgery in comparison to the control in the groups of animals kept on control diet (CD) and high-fat, high-sugar diet (HFS) but the postoperative change of the diet led to the increase in HSP70 in plasma and liver concentration in DJOS-operated animals. A high-calorie meal, rich in carbohydrates and fats, significantly increased circulating levels of HSP90, reducing the normalising effect of DJOS. The HFS diet applied during all stages of the experiment led to the higher levels of liver HSP90 concentration. The combination of CD and DJOS surgery was the most efficient in the lowering of the HSP90 liver concentration. The normalisation of circulating levels and liver concentrations of HSP70 and HSP90 may be achieved in a combination of DJOS procedure with a proper dietary plan.
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Affiliation(s)
- Dominika Stygar
- Department of Physiology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland.
| | - Bronisława Skrzep-Poloczek
- Department of Physiology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Ewa Romuk
- Department of Biochemistry, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Elżbieta Chełmecka
- Department of Statistics, Department of Instrumental Analysis, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, Katowice, Poland
| | - Jakub Poloczek
- Department of Rehabilitation, 3rd Specialist Hospital in Rybnik, Rybnik, Poland
| | - Tomasz Sawczyn
- Department of Physiology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Justyna Maciarz
- Department of Physiology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Michał Kukla
- Department of Gastroenterology and Hepatology, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - Konrad W Karcz
- Clinic of General, Visceral, Transplantation and Vascular Surgery, Hospital of the Ludwig Maximilian University, Munich, Germany
| | - Jerzy Jochem
- Department of Physiology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
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21
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Abstract
Acute pancreatitis is characterized by ATP deficiency and sustained Ca2+ overload in pancreatic acinar cells, leading to premature zymogen activation, auto-digestion of the pancreas, and necrosis. Recent research reveals a rational approach to ameliorate disease through galactose feeding, bypassing hexokinases to restore ATP levels and Ca2+ homeostasis, thereby reducing disease markers.
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Affiliation(s)
- Tim Vervliet
- KU Leuven, Laboratory of Molecular & Cellular Signaling, Department of Cellular and Molecular Medicine, Campus Gasthuisberg O/N-I bus 802, Herestraat 49, B-3000 Leuven, Belgium
| | - David I Yule
- University of Rochester, Laboratory of Intracellular Calcium Signaling, Department of Pharmacology and Physiology, Rochester, NY 14642, USA
| | - Geert Bultynck
- KU Leuven, Laboratory of Molecular & Cellular Signaling, Department of Cellular and Molecular Medicine, Campus Gasthuisberg O/N-I bus 802, Herestraat 49, B-3000 Leuven, Belgium.
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22
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U Din M, Saari T, Raiko J, Kudomi N, Maurer SF, Lahesmaa M, Fromme T, Amri EZ, Klingenspor M, Solin O, Nuutila P, Virtanen KA. Postprandial Oxidative Metabolism of Human Brown Fat Indicates Thermogenesis. Cell Metab 2018; 28:207-216.e3. [PMID: 29909972 DOI: 10.1016/j.cmet.2018.05.020] [Citation(s) in RCA: 128] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 10/31/2017] [Accepted: 05/22/2018] [Indexed: 12/26/2022]
Abstract
Human studies suggest that a meal elevates glucose uptake in brown adipose tissue (BAT). However, in postprandial state the thermogenic activity and the metabolism of non-esterified fatty acids (NEFAs) in BAT remain unclear. Using indirect calorimetry combined with positron emission tomography and computed tomography (PET/CT), we showed that whole-body and BAT thermogenesis (oxygen consumption) increases after the ingestion of a mixed carbohydrate-rich meal, to the same extent as in cold stress. Postprandial NEFA uptake into BAT is minimal, possibly due to elevated plasma insulin inhibiting lipolysis. However, the variation in postprandial NEFA uptake is linked to BAT thermogenesis. We identified several genes participating in lipid metabolism to be expressed at higher levels in BAT compared with white fat in postprandial state, and to be positively correlated with BAT UCP1 expression. These findings suggest that substrates preferred by BAT in postprandial state are glucose or LPL-released NEFAs due to insulin stimulation.
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Affiliation(s)
- Mueez U Din
- Turku PET Centre, Turku University Hospital, Kiinamyllynkatu 4-8, 20520 Turku, Finland; Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, 20520 Turku, Finland
| | - Teemu Saari
- Turku PET Centre, Turku University Hospital, Kiinamyllynkatu 4-8, 20520 Turku, Finland; Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, 20520 Turku, Finland
| | - Juho Raiko
- Turku PET Centre, Turku University Hospital, Kiinamyllynkatu 4-8, 20520 Turku, Finland; Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, 20520 Turku, Finland
| | - Nobu Kudomi
- Department of Medical Physics, Faculty of Medicine, Kagawa University, Takamatsu, Kagawa, Japan
| | - Stefanie F Maurer
- Chair of Molecular Nutritional Medicine, Else Kröner-Fresenius Center, Technical University of Munich, 85354 Freising, Germany
| | - Minna Lahesmaa
- Turku PET Centre, Turku University Hospital, Kiinamyllynkatu 4-8, 20520 Turku, Finland; Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, 20520 Turku, Finland
| | - Tobias Fromme
- Chair of Molecular Nutritional Medicine, Else Kröner-Fresenius Center, Technical University of Munich, 85354 Freising, Germany
| | | | - Martin Klingenspor
- Chair of Molecular Nutritional Medicine, Else Kröner-Fresenius Center, Technical University of Munich, 85354 Freising, Germany; ZIEL - Institute for Food and Health, Technical University of Munich, 85354 Freising, Germany
| | - Olof Solin
- Turku PET Centre, Turku University Hospital, Kiinamyllynkatu 4-8, 20520 Turku, Finland; Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, 20520 Turku, Finland; Department of Chemistry, University of Turku, Turku, Finland; Accelerator Laboratory, Åbo Akademi University, Turku, Finland
| | - Pirjo Nuutila
- Turku PET Centre, Turku University Hospital, Kiinamyllynkatu 4-8, 20520 Turku, Finland; Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, 20520 Turku, Finland; Department of Endocrinology, Turku University Hospital, Turku, Finland
| | - Kirsi A Virtanen
- Turku PET Centre, Turku University Hospital, Kiinamyllynkatu 4-8, 20520 Turku, Finland; Turku PET Centre, University of Turku, Kiinamyllynkatu 4-8, 20520 Turku, Finland; Institute of Public Health and Clinical Nutrition, University of Eastern Finland (UEF), Kuopio, Finland.
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23
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Li Z, Rasmussen ML, Li J, Olguín CH, Knudsen JR, Søgaard O, Madsen AB, Jensen TE. Low- and high-protein diets do not alter ex vivo insulin action in skeletal muscle. Physiol Rep 2018; 6:e13798. [PMID: 29998629 PMCID: PMC6041700 DOI: 10.14814/phy2.13798] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 06/19/2018] [Indexed: 11/24/2022] Open
Abstract
A low-protein high carbohydrate (LPHC) diet and a high-protein low carbohydrate (HPLC) diet have been reported to positively and negatively regulate whole-body glucose tolerance and insulin sensitivity, respectively. Skeletal muscle is quantitatively the most important tissue clearing glucose in the postprandial state, but it is unclear if LPHC and HPLC diets directly influence insulin action in skeletal muscle. To test this, mice were placed on control chow diet, LPHC and HPLC diets for 13.5 weeks at which time the submaximal insulin-stimulated glucose transport and insulin signaling were evaluated in ex vivo incubated oxidative soleus and glycolytic EDL muscle. At the whole-body level, the diets had the anticipated effects, with LPHC diet improving glucose tolerance and insulin-sensitivity whereas HPLC diet had the opposite effect. However, neither insulin-stimulated Akt/TBC1D4 signaling and glucose transport ex vivo, nor cell signaling in vivo were altered by the diets. These data imply that skeletal muscle insulin sensitivity does not contribute to the whole-body effects of LPHC and HPLC diets on glucose metabolism.
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Affiliation(s)
- Zhencheng Li
- Section of Molecular PhysiologyDepartment of Nutrition, Exercise and SportsUniversity of CopenhagenCopenhagenDenmark
| | - Mette Line Rasmussen
- Section of Molecular PhysiologyDepartment of Nutrition, Exercise and SportsUniversity of CopenhagenCopenhagenDenmark
| | - Jingwen Li
- Section of Molecular PhysiologyDepartment of Nutrition, Exercise and SportsUniversity of CopenhagenCopenhagenDenmark
| | - Carlos Henríquez Olguín
- Section of Molecular PhysiologyDepartment of Nutrition, Exercise and SportsUniversity of CopenhagenCopenhagenDenmark
| | - Jonas Roland Knudsen
- Section of Molecular PhysiologyDepartment of Nutrition, Exercise and SportsUniversity of CopenhagenCopenhagenDenmark
| | - Ole Søgaard
- Section of Molecular PhysiologyDepartment of Nutrition, Exercise and SportsUniversity of CopenhagenCopenhagenDenmark
| | - Agnete B. Madsen
- Section of Molecular PhysiologyDepartment of Nutrition, Exercise and SportsUniversity of CopenhagenCopenhagenDenmark
| | - Thomas E. Jensen
- Section of Molecular PhysiologyDepartment of Nutrition, Exercise and SportsUniversity of CopenhagenCopenhagenDenmark
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Magenis ML, Machado AG, Bongiolo AM, Silva MAD, Castro K, Perry IDS. Dietary practices of children and adolescents with Down syndrome. J Intellect Disabil 2018; 22:125-134. [PMID: 28078918 DOI: 10.1177/1744629516686571] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The aim of this study was to assess dietary intake, breastfeeding history, weight at birth and current weight in children and adolescents with Down syndrome (DS). Therefore, a cross-sectional, controlled study with 19 DS participants and 19 controls without DS matched by gender and age was performed. Except for vitamin D, a lower or the same frequency of insufficient intake in other micronutrients was noted in participants compared with controls. The DS group had a reduced exclusive breastfeeding duration and increased carbohydrate and caloric intake. The consumption of micronutrients in both groups reinforced the current trend of excessive sodium consumption and insufficient intake of calcium, some B complex vitamins and water by children and adolescents.
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Affiliation(s)
| | | | | | | | - Kamila Castro
- Programa de Pós-Graduação em Saúde da Criança e do Adolescente, Universidade Federal do Rio Grande do Sul, Brazil; Centro de Estudos em Alimentação e Nutrição (CESAN-HCPA/UFRGS), Brasil
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25
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Abstract
PURPOSE OF REVIEW To describe and explain the relationships between mood disturbances and the development of obesity. RECENT FINDINGS That depression, anxiety, PTSD, or severe stresses can promote obesity as a side-effect of the drugs used to treat them, or through "carbohydrate craving" to enhance brain serotonin synthesis and alleviate dysphoria by consuming foods that are rich in both carbohydrates and fats. That seasonal affective disorder and severe PMS can independently cause patients to overconsume foods rich in both carbohydrates and fats. The obesity caused by drugs or mood disorders associated with "carbohydrate craving" leading to excess calorie intake can be suppressed by dietary measures.
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Affiliation(s)
- Judith Wurtman
- Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Richard Wurtman
- Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- , 300 Boylston St., Unit 1205, Boston, MA, 02116, USA.
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26
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Lanng AR, Gasbjerg LS, Knop FK. [The dilemma of Danish Christmas lunches]. Ugeskr Laeger 2017; 179:V69590. [PMID: 29260704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We investigated the impact of food ingestion, water intake, sleep and exercise on the elimination of ethanol, and self-assessed ability to drive a car. In a cross-over design, four fasted healthy participants each underwent one day of oral ethanol intake followed by one of the abovementioned interventions and one day of oral ethanol intake followed by bed rest (control day). The elimination rate of ethanol was minimally affected (numerically it was increased by food ingestion and water intake, reduced by exercise and unchanged by sleep) and self-assessed driving abilities were associated with great variability.
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27
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Jung CH, Choi KM. Impact of High-Carbohydrate Diet on Metabolic Parameters in Patients with Type 2 Diabetes. Nutrients 2017; 9:nu9040322. [PMID: 28338608 PMCID: PMC5409661 DOI: 10.3390/nu9040322] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 03/04/2017] [Accepted: 03/22/2017] [Indexed: 12/19/2022] Open
Abstract
In patients with type 2 diabetes mellitus (T2DM), whether dietary carbohydrates have beneficial or detrimental effects on cardiometabolic risk factors has drawn attention. Although a high-carbohydrate (HC) diet and a low-carbohydrate (LC) diet have gained popularity for several decades, there is scarce review focusing on the effects of HC diet on glucose, lipids and body weight in patients with T2DM. In this review, we examined recently-published literature on the effects of HC diets on metabolic parameters in T2DM. HC diets are at least as effective as LC diets, leading to significant weight loss and a reduction in plasma glucose, HbA1c and low density lipoprotein-cholesterol (LDL-C) levels. The major concern is that HC diets may raise serum triglyceride levels and reduce high density lipoprotein-cholesterol (HDL-C) levels, increasing the risk of cardiovascular disease. However, these untoward effects were not a persistent consequence and may be ameliorated with the consumption of a low glycemic index (GI)/low glycemic load (GL) and high fiber. Carbohydrate intake should be individualized, and low caloric intake remains a crucial factor to improve insulin sensitivity and reduce body weight; however, an HC diet, rich in fiber and with a low GI/GL, may be recommendable in patients with T2DM.
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Affiliation(s)
- Chan-Hee Jung
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University School of Medicine, Bucheon Hospital, 170 Jomaru-Ro, Wonmi-Gu, Bucheon-Si, Gyeonggi-Do 420-767, Korea.
| | - Kyung Mook Choi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University Guro Hospital, 80 Guro-Dong, Guro-Gu, Seoul 152-050, Korea.
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28
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Barbosa de Queiroz K, Honorato-Sampaio K, Rossoni Júnior JV, Andrade Leal D, Pinto ABG, Kappes-Becker L, Evangelista EA, Guerra-Sá R. Physical activity prevents alterations in mitochondrial ultrastructure and glucometabolic parameters in a high-sugar diet model. PLoS One 2017; 12:e0172103. [PMID: 28199417 PMCID: PMC5310863 DOI: 10.1371/journal.pone.0172103] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Accepted: 01/31/2017] [Indexed: 11/19/2022] Open
Abstract
Endurance exercise is a remarkable intervention for the treatment of many diseases. Mitochondrial changes on skeletal muscle are likely important for many of the benefits provided by exercise. In this study, we aimed to evaluate the effects that a regular physical activity (swimming without workload) has on mitochondrial morphological alterations and glucometabolic parameters induced by a high-sugar diet (HSD). Weaned male Wistar rats fed with a standard diet or a HSD (68% carbohydrate) were subjected to 60 minutes of regular physical activity by swimming (without workload) for four- (20 sessions) or eight-week (40 sessions) periods. After training, animals were euthanized and the sera, adipose tissues, and skeletal muscles were collected for further analysis. The HSD increased body weight after an 8-week period; it also increased the fat pads and the adipose index, resulting in glucose intolerance and insulin resistance (IR). Transmission electron microscopy showed an increase in alterations of mitochondrial ultrastructure in the gastrocnemius muscle, as well as a decrease in superoxide dismutase (SOD) activity, and an increase in protein carbonylation. Regular physical activity partially reverted these alterations in rats fed a HSD, preventing mitochondrial morphological alterations and IR. Moreover, we observed a decrease in Pgc1α expression (qPCR analysis) in STD-EXE group and a less pronounced reduction in HSD-EXE group after an 8-week period. Thus, regular physical activity (swimming without workload) in rats fed a HSD can prevent mitochondrial dysfunction and IR, highlighting the crucial role for physical activity on metabolic homeostasis.
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Affiliation(s)
- Karina Barbosa de Queiroz
- Laboratório de Bioquímica e Biologia Molecular, Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, Minas Gerais, Brasil
- * E-mail:
| | - Kinulpe Honorato-Sampaio
- Faculdade de Medicina, Campus JK, Universidade Federal dos Vales Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brasil
| | - Joamyr Victor Rossoni Júnior
- Laboratório de Bioquímica Metabólica, Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, Minas Gerais, Brasil
| | - Diego Andrade Leal
- Laboratório de Bioquímica e Biologia Molecular, Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, Minas Gerais, Brasil
| | | | - Lenice Kappes-Becker
- Centro de Esportes, Universidade Federal de Ouro Preto, Ouro Preto, Minas Gerais, Brasil
| | - Elisio Alberto Evangelista
- Laboratório de Bioquímica e Biologia Molecular, Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, Minas Gerais, Brasil
| | - Renata Guerra-Sá
- Laboratório de Bioquímica e Biologia Molecular, Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, Minas Gerais, Brasil
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29
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Witowski NE, Lusczek ER, Determan CE, Lexcen DR, Mulier KE, Wolf A, Ostrowski BG, Beilman GJ. Metabolomic analysis of survival in carbohydrate pre-fed pigs subjected to shock and polytrauma. Mol Biosyst 2016; 12:1638-52. [PMID: 26989839 PMCID: PMC5577932 DOI: 10.1039/c5mb00637f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Hemorrhagic shock, a result of extensive blood loss, is a dominant factor in battlefield morbidity and mortality. Early rodent studies in hemorrhagic shock reported carbohydrate feeding prior to the induction of hemorrhagic shock decreased mortality. When repeated in our laboratory with a porcine model, carbohydrate pre-feed resulted in a 60% increase in death rate following hemorrhagic shock with trauma when compared to fasted animals (15/32 or 47% vs. 9/32 or 28%). In an attempt to explain the unexpected death rate for pre-fed animals, we further investigated the metabolic profiles of pre-fed non-survivors (n = 15) across 4 compartments (liver, muscle, serum, and urine) at specific time intervals (pre-shock, shock, and resuscitation) and compared them to pre-fed survivors (n = 17). As hypothesized, pre-fed pigs that died as a result of hemorrhage and trauma showed differences in their metabolic and physiologic profiles at all time intervals and in all compartments when compared to pre-fed survivors. Our data suggest that, although all animals were subjected to the same shock and trauma protocol, non-survivors exhibited altered carbohydrate processing as early as the pre-shock sampling point. This was evident in (for example) the higher levels of ATP and markers of greater anabolic activity in the muscle at the pre-shock time point. Based on the metabolic findings, we propose two mechanisms that connect pre-fed status to a higher death rate: (1) animals that die are more susceptible to opening of the mitochondrial permeability transition pore, a major factor in ischemia/reperfusion injury; and (2) loss of fasting-associated survival mechanisms in pre-fed animals.
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Affiliation(s)
- Nancy E Witowski
- Department of Surgery, University of Minnesota, Minneapolis, MN, USA.
| | | | | | - Daniel R Lexcen
- Department of Surgery, University of Minnesota, Minneapolis, MN, USA.
| | - Kristine E Mulier
- Department of Surgery, University of Minnesota, Minneapolis, MN, USA.
| | - Andrea Wolf
- Department of Surgery, University of Minnesota, Minneapolis, MN, USA.
| | | | - Greg J Beilman
- Department of Surgery, University of Minnesota, Minneapolis, MN, USA.
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