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Qi YY, Zheng X, Bi LN, Hu S, Li C, Zhang Y, Shi WL, Yue YJ, Li Q. Effects of postprandial exercise timing on blood glucose and fluctuations in patients with type 2 diabetes mellitus. J Sports Med Phys Fitness 2025; 65:125-131. [PMID: 39320030 DOI: 10.23736/s0022-4707.24.16076-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2024]
Abstract
BACKGROUND The aim of this study was to assess how moderate-intensity aerobic exercise performed 45 minutes and 90 minutes after a meal affects blood glucose levels and fluctuations in individuals diagnosed with type 2 diabetes mellitus (T2DM). METHODS Twenty-two patients with T2DM, who were solely receiving oral hypoglycemic medication, were enrolled and divided randomly into two categories: those exercising 45 minutes after a meal (45-minute postprandial exercise group) and those exercising 90 minutes post-meal (90-minute postprandial exercise group). Both groups engaged in a 30-minute session of moderate-intensity aerobic stationary bike exercise following breakfast. This aerobic exercise regimen consisted of two stages, with the groups switching exercise timings after the initial phase. Continuous glucose monitoring (CGM) was utilized to evaluate the blood glucose levels and fluctuations in the participants. RESULTS After breakfast, both overall daily blood glucose levels and the area under the curve for blood glucose following breakfast were reduced in the 45-minute postprandial exercise group compared to the 90-minute postprandial exercise group. The 45-minute postprandial exercise group demonstrated greater time spent within the target glucose range and less time above the target range than the 90-minute postprandial exercise group. Additionally, measures such as standard deviation, mean amplitude of glycemic excursions, largest amplitude of glycemic excursions, and postprandial glucose excursion for breakfast, peak postprandial glucose levels, and duration of elevated glucose levels were all lower in the 45-minute postprandial exercise group compared to the 90-minute postprandial exercise group. CONCLUSIONS Moderate-intensity aerobic exercise lasting 45 minutes after meals was found to be more efficient in decreasing blood glucose levels and minimizing fluctuations compared to exercising 90 minutes after meals in patients with T2DM. Additionally, it notably reduced the peak in blood glucose levels after meals.
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Affiliation(s)
- Yan-Yan Qi
- Department of Endocrinology, China Rehabilitation Research Center, Beijing, China
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China
| | - Xin Zheng
- Department of Endocrinology, China Rehabilitation Research Center, Beijing, China -
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China
- Department of Clinical Nutrition, China Rehabilitation Research Center, Beijing, China
| | - Li-Na Bi
- Department of Endocrinology, China Rehabilitation Research Center, Beijing, China
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China
| | - Su Hu
- Department of Endocrinology, China Rehabilitation Research Center, Beijing, China
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China
| | - Chang Li
- Department of Endocrinology, China Rehabilitation Research Center, Beijing, China
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China
| | - Yan Zhang
- Department of Endocrinology, China Rehabilitation Research Center, Beijing, China
| | - Wen-Li Shi
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China
- Department of Clinical Nutrition, China Rehabilitation Research Center, Beijing, China
| | - Yan-Jie Yue
- Department of Endocrinology, China Rehabilitation Research Center, Beijing, China
| | - Qin Li
- Department of Endocrinology, China Rehabilitation Research Center, Beijing, China
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Ambesange A, Khomane AL, Parikh J, Aswal D, Gharia M, Sharma P, Trivedi V, Maheshwari T, Mishra A, Bhavsar B, Athavale V. Optimizing glycemic control in type 2 diabetes: the impact of the GLIDE program's personalized digital health intervention. FRONTIERS IN CLINICAL DIABETES AND HEALTHCARE 2024; 5:1494009. [PMID: 39697818 PMCID: PMC11653207 DOI: 10.3389/fcdhc.2024.1494009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2024] [Accepted: 11/04/2024] [Indexed: 12/20/2024]
Abstract
Background The integration of digital health applications into type 2 diabetes mellitus (T2DM) management presents promising opportunities for optimizing glycemic control, enhancing adherence, and improving health outcomes. MyTatva's Glycemic Lifestyle Intervention in Diabetes Empowerment (GLIDE) program, which integrates dietary and exercise regimens, cognitive behavioral therapy (CBT), and Internet of Things (IoT) devices, potentiates this approach. This study aimed to evaluate the effectiveness of the GLIDE program's personalized, comprehensive approach in improving glycemic control over 90 days among T2DM patients. Methods During the study period, 30 diabetic patients completed their GLIDE journey with expert dieticians, physiotherapists, and behavior therapists. Each patient received a personalized root cause analysis based on lifestyle assessment and disease-specific parameters. Statistical analysis was conducted using a paired t-test on the deidentified HbA1c, FBS, and PPBS data at baseline and post-intervention. Results Throughout the study, 27 patients actively adhered to the GLIDE program. All the parameters showed statistically significant (p<0.05) changes post-intervention. HbA1c decreased by 11.79% from 8.43% ± 1.32 to 7.44% ± 0.64. Significant reductions were observed in PPBS (47.7%), decreasing from 260.89 mg/dL ± 36.31 to 136.27 mg/dL± 6.36, compared to FBS (31.1%), which decreased from 8.43 mg/dL± 1.32 to 7.44 mg/dL± 0.64. Conclusions The effectiveness of the GLIDE program is based on a comprehensive root cause analysis approach. The detailed analysis of the patient's clinical journey by health experts at regular intervals enables precise goal management, resulting in expected outcomes for better glycemic control. Therefore, personalized digital health plans are vital for achieving clinically significant changes.
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Affiliation(s)
| | | | - Jaymin Parikh
- Medical Affairs, Digicare Health Solutions Private Limited, Ahmedabad, India
| | - Devina Aswal
- Medical Affairs, Digicare Health Solutions Private Limited, Ahmedabad, India
| | - Mihir Gharia
- Medical Affairs, Digicare Health Solutions Private Limited, Ahmedabad, India
| | - Prachi Sharma
- Medical Affairs, Digicare Health Solutions Private Limited, Ahmedabad, India
| | - Vishva Trivedi
- Medical Affairs, Digicare Health Solutions Private Limited, Ahmedabad, India
| | - Twinkle Maheshwari
- Medical Affairs, Digicare Health Solutions Private Limited, Ahmedabad, India
| | - Astha Mishra
- Medical Affairs, Digicare Health Solutions Private Limited, Ahmedabad, India
| | - Bhavan Bhavsar
- Medical Affairs, Digicare Health Solutions Private Limited, Ahmedabad, India
| | - Vrushali Athavale
- Medical Affairs, Digicare Health Solutions Private Limited, Ahmedabad, India
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Gunathilaka TL, Bandaranayake U, Boudjelal M, Ali R, Silva RM, Samarakoon KW, Ranasinghe P, Peiris LDC. Chnoospora minima: a Robust Candidate for Hyperglycemia Management, Unveiling Potent Inhibitory Compounds and Their Therapeutic Potential. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2024; 26:1231-1245. [PMID: 39259314 DOI: 10.1007/s10126-024-10368-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 08/29/2024] [Indexed: 09/13/2024]
Abstract
The present study aimed to isolate a bioactive compound from Sri Lankan edible marine brown algae, Chnoospora minima, to manage diabetes. The de-polysaccharide crude methanolic extract was partitioned using hexane, chloroform, and ethyl acetate with increased polarity. The samples were subjected to determine the quantitative phytochemical analysis, antioxidants, and antidiabetic potentials. Further, the potent antidiabetic fraction was selected to isolate an active compound using bioactivity-guided fractionation. From the selected extract, the chloroform fraction exhibited comparatively high TPC (59.01 ± 1.86 mg GAE/g), TFC (5.14 ± 0.43 mg QE/g) and alkaloid content (2.79 ± 0.31 PE/g of extract). Crude methanol extract exhibited a potent DPPH activity (IC50: 0.48 ± 0.01 mg/mL) whereas the ethyl acetate fraction elicited a maximum ABTS activity (IC50: 0.064 ± 0.001 mg/mL) and a ferrous iron-chelating capacity (IC50: 0.019 mg/mL). Similarly, the chloroform fraction exhibited the highest FRAP (20.34 ± 1.72 mg TE/g) and ORAC (19.72 ± 2.92 mg TE/g) capacities. The potent inhibitory activity of α-amylase (IC50:3.17 ± 0.02 µg/mL) and α-glucosidase (IC50: 1.99 ± 0.01 µg/mL) enzymes and glucose diffusion was observed in the chloroform fraction. Similarly, the chloroform extract exhibited a potent BSA-glucose (IC50: 202.43 ± 5.71 µg/mL), BSA-MGO (IC50: 124.30 ± 2.85 µg/mL) antiglycation model and reversing activities (EC50BSAglucose: 98.99 ± 0.35 µg/mL; EC50BSA-MGO: 118.89 ± 1.58 µg/mL). Depending on the hypoglycemic activity, fucoxanthin was isolated as the active compound which showed a notable change in the functional group. Molecular docking studies were conducted on the compound, and binding energy was observed to be - 6.56 kcal/mol and - 4.83 kcal/mol for α-amylase and α-glucosidase enzymes, respectively, which confirmed the hypoglycemic effect of the isolated compounds. However, more studies are required to understand the mechanistic insights of these observations.
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Affiliation(s)
- Thilina Lakmini Gunathilaka
- Department of Zoology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka.
- Department of Basic Science and Social Science for Nursing, Faculty of Nursing, University of Colombo, Sri Jayewardenepura, Thalapathpitiya, Nugegoda, 10250, Sri Lanka.
| | - Upeka Bandaranayake
- Genetics & Molecular Biology Unit (Center for Biotechnology), Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka
| | - Mohamad Boudjelal
- King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard-Health Affairs, Riyadh, 11481, Saudi Arabia
| | - Rizwan Ali
- King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard-Health Affairs, Riyadh, 11481, Saudi Arabia
| | - Rajitha M Silva
- Department of Statistics, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka
| | - Kalpa W Samarakoon
- Institute for Combinatorial Advanced Research and Education (KDU-CARE), General Sir John Kotelawala Defence University, Ratmalana, 10390, Sri Lanka
| | | | - L Dinithi C Peiris
- Genetics & Molecular Biology Unit (Center for Biotechnology), Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, 10250, Sri Lanka.
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Thirunavukarasu ET, Reddy M, Chandrasekaran B, Maiya AG, Rao CR. Stair climbing interventions reduce postprandial hyperglycemia but not cognitive functions: findings of a randomized cross-over trial. Physiol Behav 2024:114726. [PMID: 39489460 DOI: 10.1016/j.physbeh.2024.114726] [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: 06/24/2024] [Revised: 10/30/2024] [Accepted: 10/31/2024] [Indexed: 11/05/2024]
Abstract
Prolonged sitting can negatively impact postprandial glucose levels and cognitive functions. Stair climbing interventions have potential to mitigate these risks however remains unexplored. The present study aimed to explore the effects of stair climbing bouts on postprandial glucose and cognitive functions during prolonged sitting. Twenty-eight sedentary young adults (aged 20 - 30 years) underwent two intervention visits after standardized lunch for two hours: (1) STAIR: the participants climbed two flight of stairs for two minutes every 30 minutes; (2) SIT: the participants continued to sit. Blood glucose was measured using capillary finger prick method while attention function was measured using computer-based cognitive tests at baseline, end of 1st hour and 2nd hour. Significant interaction (F2, 54 = 15.96, p <0.001) was observed for conditions and time. During STAIR visit, significant changes in postprandial glucose at 1st hour (β = - 2.6 mmol/dl, p <0.001) and 2nd hour (β = 3.0 mmol/dl, p <0.001). No significant difference in the attention functions with time and conditions was observed. Stair climbing interruptions may be a promising solution to prevent high glycemic excursion occurring during prolonged sitting following postprandial sessions. However, the clinical benefits of stair climbing on attention functions remain unconvinced.
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Affiliation(s)
- Eswaran Tpm Thirunavukarasu
- Department of Exercise and Sports Sciences, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Manaswi Reddy
- Department of Exercise and Sports Sciences, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Baskaran Chandrasekaran
- Department of Exercise and Sports Sciences, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka, India.
| | - Arun G Maiya
- Department of Physiotherapy, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka, India.
| | - Chythra R Rao
- Department of Community Medicine, Kasturba Medical College and Hospitals, Manipal Academy of Higher Education, Manipal, Karnataka, India.
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Berends E, Pencheva MG, van de Waarenburg MPH, Scheijen JLJM, Hermes DJHP, Wouters K, van Oostenbrugge RJ, Foulquier S, Schalkwijk CG. Glyoxalase 1 overexpression improves neurovascular coupling and limits development of mild cognitive impairment in a mouse model of type 1 diabetes. J Physiol 2024; 602:6209-6223. [PMID: 39316027 DOI: 10.1113/jp286723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Accepted: 09/02/2024] [Indexed: 09/25/2024] Open
Abstract
Diabetes is associated with cognitive impairment, but the underlying mechanism remains unclear. Methylglyoxal (MGO), a precursor to advanced glycation endproducts (AGEs), is elevated in diabetes and linked to microvascular dysfunction. In this study, overexpression of the MGO-detoxifying enzyme glyoxalase 1 (Glo1) was used in a mouse model of diabetes to explore whether MGO accumulation in diabetes causes cognitive impairment. Diabetes was induced with streptozotocin. Fasting blood glucose, cognitive function, cerebral blood flow, neurovascular coupling (NVC), Glo1 activity, MGO and AGEs were assessed. In diabetes, MGO-derived hydroimidazolone-1 increased in the cortex, and was decreased in Glo1-overexpressing mice compared to controls. Visuospatial memory was decreased in diabetes, but not in Glo1/diabetes. NVC response time was slightly increased in diabetes, and normalised in the Glo1-overexpressing group. No impact of diabetes or Glo1 overexpression on blood-brain barrier integrity or vascular density was observed. Diabetes induced a mild visuospatial memory impairment and slightly reduced NVC response speed and these effects were mitigated by Glo1. This study shows a link between MGO-related AGE accumulation and cerebrovascular/cognitive functions in diabetes. Modulation of the MGO-Glo1 pathway may be a novel intervention strategy in patients with diabetes who have cerebrovascular complications. KEY POINTS: Diabetes is associated with an increased risk of stroke, cognitive decline, depression and Alzheimer's disease, but the underlying mechanism remains unclear. Methylglyoxal (MGO), a highly reactive by-product of glycolysis, plays an important role in the development of diabetes-associated microvascular dysfunction in the periphery and is detoxified by the enzyme glyoxalase 1. Diabetes reduced visuospatial memory in mice and slowed the neurovascular coupling response speed, which was improved by overexpression of glyoxalase 1. MGO formation and MGO-derived advanced glycation endproduct (AGE) accumulation in the brain of diabetic mice are associated with a slight reduction in neurovascular coupling and mild cognitive impairment. The endogenous formation of MGO, and the accumulation of MGO-derived AGEs, might be a potential target in reducing the risk of vascular cognitive impairment in people with diabetes.
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Affiliation(s)
- Eline Berends
- Department of Internal Medicine, Maastricht University, Maastricht, the Netherlands
- CARIM, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands
| | - Margarita G Pencheva
- Department of Internal Medicine, Maastricht University, Maastricht, the Netherlands
- CARIM, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands
- Department of Biomedical Engineering, Maastricht University, Maastricht, the Netherlands
| | - Marjo P H van de Waarenburg
- Department of Internal Medicine, Maastricht University, Maastricht, the Netherlands
- CARIM, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands
| | - Jean L J M Scheijen
- Department of Internal Medicine, Maastricht University, Maastricht, the Netherlands
- CARIM, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands
| | - Denise J H P Hermes
- Department of Neuropsychology and Psychiatry, Maastricht University, Maastricht, the Netherlands
- MHeNs, School for Mental Health and Neurosciences, Maastricht University, Maastricht, the Netherlands
| | - Kristiaan Wouters
- Department of Internal Medicine, Maastricht University, Maastricht, the Netherlands
- CARIM, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands
| | - Robert J van Oostenbrugge
- CARIM, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands
- MHeNs, School for Mental Health and Neurosciences, Maastricht University, Maastricht, the Netherlands
- Department of Neurology, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Sébastien Foulquier
- CARIM, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands
- MHeNs, School for Mental Health and Neurosciences, Maastricht University, Maastricht, the Netherlands
- Department of Pharmacology and Toxicology, Maastricht University, Maastricht, the Netherlands
| | - Casper G Schalkwijk
- Department of Internal Medicine, Maastricht University, Maastricht, the Netherlands
- CARIM, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands
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Zelis M, Simonis AMC, van Dam RM, Boomsma DI, van Lee L, Kramer MHH, Serné EH, van Raalte DH, Mari A, de Geus EJC, Eekhoff EMW. Development of a Diabetes Dietary Quality Index: Reproducibility and Associations with Measures of Insulin Resistance, Beta Cell Function, and Hyperglycemia. Nutrients 2024; 16:3512. [PMID: 39458507 PMCID: PMC11510361 DOI: 10.3390/nu16203512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2024] [Revised: 09/27/2024] [Accepted: 10/01/2024] [Indexed: 10/28/2024] Open
Abstract
AIMS Various dietary risk factors for type 2 diabetes have been identified. A short assessment of dietary patterns related to the risk for type 2 diabetes mellitus may be relevant in clinical practice given the largely preventable nature of the disease. The aim of this study was to investigate the reproducibility of a short food frequency questionnaire based on available knowledge of diabetes-related healthy diets. In addition, we aimed to investigate whether a Diabetes Dietary Quality Index based on this questionnaire was related to metabolic risk factors, including measures of beta cell function and insulin sensitivity. METHODS A short food frequency questionnaire was composed by selecting fourteen questions (representing eight dietary factors) from existing food frequency questionnaires on the basis of their reported relationship with diabetes risk. Healthy participants (N = 176) from a Dutch family study completed the questionnaire and a subgroup (N = 123) completed the questionnaire twice. Reproducible items from the short questionnaire were combined into an index. The association between the Diabetes Dietary Quality index and metabolic risk factors was investigated using multiple linear regression analysis. Measures of beta cell function and insulin sensitivity were derived from a mixed meal test and an euglycemic-hyperinsulinemic and modified hyperglycemic clamp test. RESULTS Our results show that this new short food frequency questionnaire is reliable (Intraclass Correlations ranged between 0.5 and 0.9). A higher Diabetes Dietary Quality index score was associated with lower 2 h post-meal glucose (β -0.02, SE 0.006, p < 0.05), HbA1c (β -0.07, SE 0.02, p < 0.05), total cholesterol, (β -0.02, SE 0.07, p < 0.05), LDL cholesterol, (β -0.19, SE 0.07, p < 0.05), fasting (β -0.4, SE 0.16, p < 0.05) and post-load insulin, (β -3.9, SE 1.40, p < 0.05) concentrations and the incremental AUC of glucose during MMT (β -1.9, SE 0.97, p < 0.05). The scores obtained for the oral glucose insulin sensitivity-derived mixed meal test were higher in subjects who scored higher on the Diabetes Dietary Quality index (β 0.89, 0.39, p < 0.05). In contrast, we found no significant associations between the Diabetes Dietary Quality index and clamp measures of beta cell function. CONCLUSIONS We identified a questionnaire-derived Diabetes Dietary Quality index that was reproducible and inversely associated with a number of type 2 diabetes mellitus and metabolic risk factors, like 2 h post-meal glucose, Hba1c and LDL, and total cholesterol. Once relative validity has been established, the Diabetes Dietary Quality index could be used by health care professionals to identify individuals with diets adversely related to development of type 2 diabetes.
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Affiliation(s)
- Maartje Zelis
- Department of Internal Medicine, Amsterdam University Medical Center, VU University Medical Center, 1081 HV Amsterdam, The Netherlands; (M.Z.); (A.M.C.S.)
| | - Annemarie M. C. Simonis
- Department of Internal Medicine, Amsterdam University Medical Center, VU University Medical Center, 1081 HV Amsterdam, The Netherlands; (M.Z.); (A.M.C.S.)
| | - Rob M. van Dam
- Departments of Exercise and Nutrition Sciences and Epidemiology, Milken Institute School of Public Health, George Washington University, Washington, DC 20052, USA
| | - Dorret I. Boomsma
- Complex Trait Genetics, Center for Neurogenomics and Cognitive Research, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands
| | - Linde van Lee
- Department of Human Nutrition, Wageningen University & Research, 6708 BP Wageningen, The Netherlands
| | - Mark H. H. Kramer
- Department of Internal Medicine, Amsterdam University Medical Center, VU University Medical Center, 1081 HV Amsterdam, The Netherlands; (M.Z.); (A.M.C.S.)
| | - Erik H. Serné
- Department of Internal, Vascular Medicine and Diabetes, Amsterdam University Medical Center, VU University Medical Center, 1081 HV Amsterdam, The Netherlands
| | - Daniel H. van Raalte
- Department of Internal Medicine, Endocrinology & Metabolism, Amsterdam University Medical Center, VU University Medical Center, 1081 HV Amsterdam, The Netherlands
| | - Andrea Mari
- CNR Neuroscience Institute, 35127 Padua, Italy
| | - Eco J. C. de Geus
- Department of Biological Psychology, Vrije Universiteit Amsterdam, 1081 BT Amsterdam, The Netherlands;
| | - Elisabeth M. W. Eekhoff
- Department of Internal Medicine, Amsterdam University Medical Center, VU University Medical Center, 1081 HV Amsterdam, The Netherlands; (M.Z.); (A.M.C.S.)
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Moreira FD, Reis CEG, Gallassi AD, Moreira DC, Welker AF. Suppression of the postprandial hyperglycemia in patients with type 2 diabetes by a raw medicinal herb powder is weakened when consumed in ordinary hard gelatin capsules: A randomized crossover clinical trial. PLoS One 2024; 19:e0311501. [PMID: 39383145 PMCID: PMC11463819 DOI: 10.1371/journal.pone.0311501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 09/16/2024] [Indexed: 10/11/2024] Open
Abstract
INTRODUCTION Contradictory claims about the efficacy of several medicinal plants to promote glycemic control in patients with type 2 diabetes mellitus (T2DM) have been explained by divergences in the administration form and by extrapolation of data obtained from healthy individuals. It is not known whether the antidiabetic effects of traditional herbal medicines are influenced by gelatin capsules. This randomized crossover trial aimed to evaluate the acute effect of a single dose of raw cinnamon consumed orally either dissolved in water as a beverage or as ordinary hard gelatin capsules on postprandial hyperglycemia (>140 mg/dL; >7.8 mmol/L) in T2DM patients elicited by a nutritionally-balanced meal providing 50 g of complex carbohydrates. METHODS Fasting T2DM patients (n = 19) randomly ingested a standardized meal in five experimental sessions, one alone (Control) and the other after prior intake of 3 or 6 g of crude cinnamon in the form of hard gelatin capsules or powder dissolved in water. Blood glucose was measured at fasting and at 0.25, 0.5, 0.75, 1, 1.5 and 2 hours postprandially. After each breakfast, its palatability scores for visual appeal, smell and pleasantness of taste were assessed, as well as the taste intensity sweetness, saltiness, bitterness, sourness and creaminess. RESULTS The intake of raw cinnamon dissolved in water, independently of the dose, decreased the meal-induced large glucose spike (peak-rise of +87 mg/dL and Δ1-hour glycemia of +79 mg/dL) and the hyperglycemic blood glucose peak. When cinnamon was taken as capsules, these anti-hyperglycemic effects were lost or significantly diminished. Raw cinnamon intake did not change time-to-peak or the 2-h post-meal glycaemia, but flattened the glycemic curve (lower iAUC) without changing the shape that is typical of T2DM patients. CONCLUSIONS This cinnamon's antihyperglycemic action confirms its acarbose-like property to inhibit the activities of the carbohydrate-digesting enzymes α-amylases/α-glucosidases, which is in accordance with its exceptionally high content of raw insoluble fiber. The efficacy of using raw cinnamon as a diabetes treatment strategy seems to require its intake at a specific time before/concomitantly the main hyperglycemic daily meals. Trial registration: Registro Brasileiro de Ensaios Clínicos (ReBEC), number RBR-98tx28b.
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Affiliation(s)
- Fernanda Duarte Moreira
- Ministério da Saúde, Brasília, Brazil
- Secretaria de Estado de Saúde do Distrito Federal, Brasília, Brazil
- Programa de Pós-Graduação em Ciências e Tecnologias em Saúde, Universidade de Brasília, Brasília, Brazil
| | | | - Andrea Donatti Gallassi
- Programa de Pós-Graduação em Ciências e Tecnologias em Saúde, Universidade de Brasília, Brasília, Brazil
| | | | - Alexis Fonseca Welker
- Programa de Pós-Graduação em Ciências e Tecnologias em Saúde, Universidade de Brasília, Brasília, Brazil
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Tsaban G, Aharon-Hananel G, Shalem S, Zelicha H, Yaskolka Meir A, Pachter D, Goldberg DT, Kamer O, Alufer L, Stampfer MJ, Wang DD, Qi L, Blüher M, Stumvoll M, Hu FB, Shai I, Tirosh A. The effect of Mankai plant consumption on postprandial glycaemic response among patients with type 2 diabetes: A randomized crossover trial. Diabetes Obes Metab 2024; 26:4713-4723. [PMID: 39134456 DOI: 10.1111/dom.15840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 07/14/2024] [Accepted: 07/14/2024] [Indexed: 09/19/2024]
Abstract
AIM To explore the effect of Mankai, a cultivated aquatic duckweed green plant, on postprandial glucose (PG) excursions in type 2 diabetes (T2D). METHODS In a 4-week, randomized crossover-controlled trial, we enrolled 45 adults with T2D (HbA1c range: 6.5%-8.5%) from two sites in Israel. Participants were randomized to drink Mankai (200 mL of raw-fresh-aquatic plant + 100 mL of water, 40 kcal, ~10 g of dry matter equivalent) or water (300 mL) following dinner, for 2 weeks each, with a 4-day washout interval, without dietary, physical activity or pharmacotherapy alterations. We used continuous glucose monitoring (CGM) devices. RESULTS Forty patients (adherence rate = 88.5%; 743 person-intervention-days, 68.9% men, age = 64 years, HbA1c = 6.8%) completed the study with a consistent diet and complete CGM reads. Only two-thirds of the individuals responded beneficially to Mankai. Overall, Mankai significantly lowered the PG peak by 19.3% (∆peak = 24.3 ± 16.8 vs. 30.1 ± 18.5 mg/dL; P < .001) and delayed the time-to-peak by 20.0% (112.5 [interquartile range: 75-135] vs. 90 [60-105] min; P < .001) compared with water. The PG incline and decline slopes were shallower following postdinner Mankai (incline slope: 16.8 vs. water: 29.9 mg/[dL h]; P < .001; decline slope: -6.1 vs. water: -7.9 mg/[dL h]; P < .01). Mean postprandial net incremental area-under-the-glucose-curve was lowered by 20.1% with Mankai compared with water (P = .03). Results were consistent across several sensitivity and subgroup analyses, including across antidiabetic pharmacotherapy treatment groups. Within 2 weeks, the triglycerides/high-density lipoprotein cholesterol ratio in the Mankai group (-0.5 ± 1.3) decreased versus water (+0.3 ± 1.5, P = .05). CONCLUSIONS Mankai consumption may mitigate the PG response in people with T2D with an ~20% improvement in glycaemic values. These findings provide case-study evidence for plant-based treatments in T2D to complement a healthy lifestyle and pharmacotherapy.
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Affiliation(s)
- Gal Tsaban
- The Health and Nutrition Innovative International Research Centre, School of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beersheva, Israel
- Department of Cardiology, Soroka University Medical Centre, Beersheva, Israel
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Genya Aharon-Hananel
- Division of Endocrinology, Diabetes and Metabolism, Sheba Medical Centre, Ramat Gan, Israel
| | - Shiran Shalem
- Division of Endocrinology, Diabetes and Metabolism, Sheba Medical Centre, Ramat Gan, Israel
| | - Hila Zelicha
- The Health and Nutrition Innovative International Research Centre, School of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beersheva, Israel
| | - Anat Yaskolka Meir
- The Health and Nutrition Innovative International Research Centre, School of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beersheva, Israel
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Dafna Pachter
- The Health and Nutrition Innovative International Research Centre, School of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beersheva, Israel
| | - Dana Tamar Goldberg
- The Health and Nutrition Innovative International Research Centre, School of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beersheva, Israel
| | - Omer Kamer
- The Health and Nutrition Innovative International Research Centre, School of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beersheva, Israel
| | - Liav Alufer
- The Health and Nutrition Innovative International Research Centre, School of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beersheva, Israel
| | - Meir J Stampfer
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Dong D Wang
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Lu Qi
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Matthias Blüher
- Medical Department III-Endocrinology, Nephrology, Rheumatology and Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG) of the Helmholtz Centre Munich at the University of Leipzig and University Hospital Leipzig, Leipzig, Germany
| | | | - Frank B Hu
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Iris Shai
- The Health and Nutrition Innovative International Research Centre, School of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beersheva, Israel
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Faculty of Medicine, University of Leipzig, Leipzig, Germany
| | - Amir Tirosh
- Division of Endocrinology, Diabetes and Metabolism, Sheba Medical Centre, Ramat Gan, Israel
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9
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Damiano G, Rinaldi R, Raucci A, Molinari C, Sforza A, Pirola S, Paneni F, Genovese S, Pompilio G, Vinci MC. Epigenetic mechanisms in cardiovascular complications of diabetes: towards future therapies. Mol Med 2024; 30:161. [PMID: 39333854 PMCID: PMC11428340 DOI: 10.1186/s10020-024-00939-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2024] [Accepted: 09/19/2024] [Indexed: 09/30/2024] Open
Abstract
The pathophysiological mechanisms of cardiovascular disease and microvascular complications in diabetes have been extensively studied, but effective methods of prevention and treatment are still lacking. In recent years, DNA methylation, histone modifications, and non-coding RNAs have arisen as possible mechanisms involved in the development, maintenance, and progression of micro- and macro-vascular complications of diabetes. Epigenetic changes have the characteristic of being heritable or deletable. For this reason, they are now being studied as a therapeutic target for the treatment of diabetes and the prevention or for slowing down its complications, aiming to alleviate the personal and social burden of the disease.This review addresses current knowledge of the pathophysiological links between diabetes and cardiovascular complications, focusing on the role of epigenetic modifications, including DNA methylation and histone modifications. In addition, although the treatment of complications of diabetes with "epidrugs" is still far from being a reality and faces several challenges, we present the most promising molecules and approaches in this field.
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Affiliation(s)
- Giulia Damiano
- Unit of Vascular Biology and Regenerative Medicine, Centro Cardiologico Monzino IRCCS, Via C. Parea 4, Milano, 20138, Italy
| | - Raffaella Rinaldi
- Unit of Vascular Biology and Regenerative Medicine, Centro Cardiologico Monzino IRCCS, Via C. Parea 4, Milano, 20138, Italy
| | - Angela Raucci
- Unit of Cardiovascular Aging, Centro Cardiologico Monzino IRCCS, Milano, 20138, Italy
| | - Chiara Molinari
- Diabetes, Endocrine and Metabolic Diseases Unit, Centro Cardiologico Monzino IRCCS, Milano, 20138, Italy
| | - Annalisa Sforza
- Unit of Vascular Biology and Regenerative Medicine, Centro Cardiologico Monzino IRCCS, Via C. Parea 4, Milano, 20138, Italy
| | - Sergio Pirola
- Department of Cardiac Surgery, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Francesco Paneni
- Center for Translational and Experimental Cardiology (CTEC), Department of Cardiology, University Hospital Zurich and University of Zürich, Zürich, Switzerland
- University Heart Center, University Hospital Zurich, Zurich, Switzerland
| | - Stefano Genovese
- Diabetes, Endocrine and Metabolic Diseases Unit, Centro Cardiologico Monzino IRCCS, Milano, 20138, Italy
| | - Giulio Pompilio
- Unit of Vascular Biology and Regenerative Medicine, Centro Cardiologico Monzino IRCCS, Via C. Parea 4, Milano, 20138, Italy
- Dipartimento di Scienze Biomediche, Chirurgiche e Odontoiatriche, Università degli Studi di Milano, Milano, 20100, Italy
| | - Maria Cristina Vinci
- Unit of Vascular Biology and Regenerative Medicine, Centro Cardiologico Monzino IRCCS, Via C. Parea 4, Milano, 20138, Italy.
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10
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Ekberg NR, Catrina SB, Spégel P. A protein-rich meal provides beneficial glycemic and hormonal responses as compared to meals enriched in carbohydrate, fat or fiber, in individuals with or without type-2 diabetes. Front Nutr 2024; 11:1395745. [PMID: 39027659 PMCID: PMC11257041 DOI: 10.3389/fnut.2024.1395745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 06/13/2024] [Indexed: 07/20/2024] Open
Abstract
Introduction Diet stands as a pivotal modifiable risk factor influencing weight gain and the onset of type-2 diabetes (T2D). This study delves into the variation in glucose and regulatory pancreatic hormone levels subsequent to the consumption of meals with differing macronutrient compositions. Methods The cohort comprised 20 individuals diagnosed with T2D and 21 without diabetes. Participants underwent a cross-over design, consuming four isocaloric meals (600 kcal) enriched in carbohydrate, fiber, fat and protein. Plasma glucose, insulin and glucagon levels were measured at -30, and -5 min, followed by subsequent measurements every 30 min for 240 min post meal intake. Quantification of alterations in the postprandial state was accomplished through the incremental area under the curve (iAUC) and the incremental peak height for the insulin:glucagon ratio (IGR) and plasma glucose levels. The meal demonstrating the lowest responses across these variables was deemed the optimal meal. Results Meals rich in protein and fat, and consequently low in carbohydrate, exhibited reduced incremental peak and iAUC for both glucose and the IGR in comparison to the other meals. While the protein-enriched meal neared optimal standards, it proved less efficient for individuals without T2D and possessing a low BMI, as well as in those with T2D and poor glycemic control. Conclusion Our findings endorse the adoption of protein-enriched, low-carbohydrate meals to curtail the meal-induced anabolic hormonal response while averting excessive fluctuations in glucose levels.
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Affiliation(s)
- Neda Rajamand Ekberg
- Department of Molecular Medicine and Surgery, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
- Center for Diabetes, Academic Specialist Center, Stockholm, Sweden
| | - Sergiu-Bogdan Catrina
- Department of Molecular Medicine and Surgery, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
- Center for Diabetes, Academic Specialist Center, Stockholm, Sweden
| | - Peter Spégel
- Center for Analysis and Synthesis, Department of Chemistry, Lund University, Lund, Sweden
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11
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Bauer I, Rimbach G, Cordeiro S, Bosy-Westphal A, Weghuber J, Ipharraguerre IR, Lüersen K. A comprehensive in-vitro/ in-vivo screening toolbox for the elucidation of glucose homeostasis modulating properties of plant extracts (from roots) and its bioactives. Front Pharmacol 2024; 15:1396292. [PMID: 38989154 PMCID: PMC11233739 DOI: 10.3389/fphar.2024.1396292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 06/10/2024] [Indexed: 07/12/2024] Open
Abstract
Plant extracts are increasingly recognized for their potential in modulating (postprandial) blood glucose levels. In this context, root extracts are of particular interest due to their high concentrations and often unique spectrum of plant bioactives. To identify new plant species with potential glucose-lowering activity, simple and robust methodologies are often required. For this narrative review, literature was sourced from scientific databases (primarily PubMed) in the period from June 2022 to January 2024. The regulatory targets of glucose homeostasis that could be modulated by bioactive plant compounds were used as search terms, either alone or in combination with the keyword "root extract". As a result, we present a comprehensive methodological toolbox for studying the glucose homeostasis modulating properties of plant extracts and its constituents. The described assays encompass in-vitro investigations involving enzyme inhibition (α-amylase, α-glucosidase, dipeptidyl peptidase 4), assessment of sodium-dependent glucose transporter 1 activity, and evaluation of glucose transporter 4 translocation. Furthermore, we describe a patch-clamp technique to assess the impact of extracts on KATP channels. While validating in-vitro findings in living organisms is imperative, we introduce two screenable in-vivo models (the hen's egg test and Drosophila melanogaster). Given that evaluation of the bioactivity of plant extracts in rodents and humans represents the current gold standard, we include approaches addressing this aspect. In summary, this review offers a systematic guide for screening plant extracts regarding their influence on key regulatory elements of glucose homeostasis, culminating in the assessment of their potential efficacy in-vivo. Moreover, application of the presented toolbox might contribute to further close the knowledge gap on the precise mechanisms of action of plant-derived compounds.
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Affiliation(s)
- Ilka Bauer
- Division of Food Sciences, Institute of Human Nutrition and Food Science, University of Kiel, Kiel, Germany
| | - Gerald Rimbach
- Division of Food Sciences, Institute of Human Nutrition and Food Science, University of Kiel, Kiel, Germany
| | - Sönke Cordeiro
- Institute of Physiology, University of Kiel, Kiel, Germany
| | - Anja Bosy-Westphal
- Division of Human Nutrition, Institute of Human Nutrition and Food Science, University of Kiel, Kiel, Germany
| | - Julian Weghuber
- Center of Excellence Food Technology and Nutrition, University of Applied Sciences Upper Austria, Wels, Austria
- FFoQSI—Austrian Competence Centre for Feed and Food Quality, Safety & Innovation, Tulln, Austria
| | - Ignacio R. Ipharraguerre
- Division of Food Sciences, Institute of Human Nutrition and Food Science, University of Kiel, Kiel, Germany
| | - Kai Lüersen
- Division of Food Sciences, Institute of Human Nutrition and Food Science, University of Kiel, Kiel, Germany
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12
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Khanal P, Dwivedi PSR, Patil VS, Shetty A, S A, Aga A, R A, Javaid A, Bhandare VV. Barosmin against postprandial hyperglycemia: outputs from computational prediction to functional responses in vitro. J Biomol Struct Dyn 2024; 42:4489-4505. [PMID: 37458811 DOI: 10.1080/07391102.2023.2233631] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 05/28/2023] [Indexed: 05/16/2024]
Abstract
Previously, barosmin has been demonstrated to possess anti-diabetic action. However, its effect to inhibit α-amylase and α-glucosidase, including glucose utilization efficacy, has yet to be revealed. Hence, the current study attempted to assess the efficiency of barosmin in inhibiting the α-amylase, α -glucosidase, and dipeptidyl peptidase 4 enzymes, including glucose uptake efficacy. Molecular docking and simulation were performed using AutoDock Vina and Gromacs respectively followed by gene ontology analysis using the database for annotation, visualization, and integrated discovery. Further, in vitro enzyme inhibitory activities and glucose uptake assay were performed in L6 cell lines. Density functional theory analysis detailed mechanistic insights into the crucial interaction sites of barosmin of which the electron-dense region was prone to nucleophilic attack (O-atoms) whereas hydroxyl groups (-OH) showed affinity for electrophilic attacks. Barosmin showed good binding affinity with α-amylase (-9.2 kcal/mol), α-glucosidase (-10.7 kcal/mol), and dipeptidyl peptidase 4 (-10.0 kcal/mol). Barosmin formed stable nonbonded contacts with active site residues of aforementioned enzymes throughout 200 ns molecular dynamics simulation. Further, it regulated pathway concerned with glucose homeostasis i.e. tumor necrosis factor signaling pathway. In addition, barosmin showed α-amylase (IC50= 95.77 ± 23.33 µg/mL), α-glucosidase (IC50= 68.13 ± 2.95 µg/mL), and dipeptidyl peptidase 4 (IC50= 13.27 ± 1.99 µg/mL) inhibitory activities including glucose uptake efficacy in L6 cell lines (EC50= 12.46 ± 0.90 µg/mL) in the presence of insulin. This study presents the efficacy of the barosmin to inhibit α-amylase and α-glucosidase and glucose uptake efficacy in L6 cell lines via the use of multiple system biology tools and in vitro techniques.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Pukar Khanal
- Department of Pharmacology, NGSM Institute of Pharmaceutical Sciences, Nitte Deemed to be University, Mangalore, India
| | - Prarambh S R Dwivedi
- Department of Pharmacology, NGSM Institute of Pharmaceutical Sciences, Nitte Deemed to be University, Mangalore, India
| | - Vishal S Patil
- KLE College of Pharmacy, Belagavi, KLE Academy of Higher Education and Research, India
| | - Ankith Shetty
- Department of Pharmacology, NGSM Institute of Pharmaceutical Sciences, Nitte Deemed to be University, Mangalore, India
| | - Adithya S
- Department of Pharmacology, NGSM Institute of Pharmaceutical Sciences, Nitte Deemed to be University, Mangalore, India
| | - Afra Aga
- Department of Pharmacology, NGSM Institute of Pharmaceutical Sciences, Nitte Deemed to be University, Mangalore, India
| | - Akshith R
- Department of Pharmacology, NGSM Institute of Pharmaceutical Sciences, Nitte Deemed to be University, Mangalore, India
| | - Aarif Javaid
- Department of Pharmacology, NGSM Institute of Pharmaceutical Sciences, Nitte Deemed to be University, Mangalore, India
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13
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Parmar N, Gupta AK, Jhaveri K, A B, Chhaya G, Kansara S, Nair R, Korukonda KR. Real-World Assessment of Personalized Approach With Voglibose Fixed-Dose Combination in Type 2 Diabetes Mellitus. Cureus 2024; 16:e57494. [PMID: 38707131 PMCID: PMC11066517 DOI: 10.7759/cureus.57494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/02/2024] [Indexed: 05/07/2024] Open
Abstract
BACKGROUND Post-prandial hyperglycemia (PPHG) remains a complex aspect in the management of type 2 diabetes mellitus (T2DM) in the Indian population due to uncertainty in the optimal utilization of alpha-glucosidase inhibitors (AGIs) either as standalone therapy or in combination, whether initiated initially or as a sequential therapy. METHODS This was a post-approval, observational, multicentric clinical study conducted at 50 centers according to principles of the International Council for Harmonisation of Technical Requirements of Pharmaceuticals for Human Use Guideline for Good Clinical Practice (ICH-GCP) and Declaration of Helsinki and local ethics approval. Descriptive and analytical statistics were applied for conclusion and categorical variables using SPSS version 29.0.1.0 (171) (Armonk, NY: IBM Corp.). RESULTS Protocol analyses of 515 cases revealed baseline demographics as follows: age 57.35±10.04 years, weight 72.86±10.92 kg, and BMI 28.33±6.07 kg/m2. Comorbidities included hypertension (N=169, 32.82%), thyroid disorders (N=99, 19.22%), and heart failure (N=92, 17.86%). Concomitant oral antidiabetics (OADs) prescribed as DPP4i (9.50%), SGLT2i (19.20%), and DPP4i+SGLT2i (7.20%). Study drug reduced glycosylated hemoglobin (HbA1c) by 13.77% (1.25% mean change, p<0.01), fasting blood glucose (FBG) by 23.69% (44.61 mg/dL mean change, p<0.01), post-prandial blood glucose (PPBG) by 24.57% (70.46 mg/dL mean change, p<0.01), and body weight by 4.43% (3.21 kg mean change, p<0.01) over 12 weeks. A total of 161 patients accomplished targeted PPBG of <180 mg/dL (119.13 mg/dL mean change, p<0.01). Regression analysis considering PPBG and HbA1c ≤7.5% showed a weak correlation between them (R-value=0.13, R-squared value=0.02), whereas between PPBG and HbA1c ≤9% yielded moderate positive correlation (R-value=0.53, R-squared value=0.28). There were no adverse events reported or analyzed during the observation period. CONCLUSION Voglibose fixed-dose combination (FDC) demonstrates significant effectiveness at the initial dosage when started early in the management of T2DM and high PPBG levels. Moreover, it exhibits good tolerability, thereby contributing to higher compliance among Indian patients who consume a high-carbohydrate diet.
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Affiliation(s)
- Nirmal Parmar
- Department of Internal Medicine, Prisha Medical Care, Ahmedabad, IND
| | - Ajay Kumar Gupta
- Department of Internal Medicine, Madhumeha Clinic, New Delhi, IND
| | - Kunal Jhaveri
- Department of Internal Medicine, Vishesh Clinic of Internal Medicine, Ahmedabad, IND
| | - Balachandran A
- Department of Diabetology, ABC Medical Centre, Erode, IND
| | - Gaurav Chhaya
- Department of Internal Medicine, Shivam Medi Care Clinic, Ahmedabad, IND
| | - Sandeep Kansara
- Department of Endocrinology, Dr. Sandeep Kansara's Diabetes, Thyroid, and Hormone Clinic, Udaipur, IND
| | - Rathish Nair
- Department of Medical Strategic Affairs, Torrent Pharmaceuticals Ltd., Ahmedabad, IND
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14
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Bronowicka-Szydełko A, Gostomska-Pampuch K, Kuzan A, Pietkiewicz J, Krzystek-Korpacka M, Gamian A. Effect of advanced glycation end-products in a wide range of medical problems including COVID-19. Adv Med Sci 2024; 69:36-50. [PMID: 38335908 DOI: 10.1016/j.advms.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 09/07/2023] [Accepted: 01/19/2024] [Indexed: 02/12/2024]
Abstract
Glycation is a physiological process that determines the aging of the organism, while in states of metabolic disorders it is significantly intensified. High concentrations of compounds such as reducing sugars or reactive aldehydes derived from lipid oxidation, occurring for example in diabetes, atherosclerosis, dyslipidemia, obesity or metabolic syndrome, lead to increased glycation of proteins, lipids and nucleic acids. The level of advanced glycation end-products (AGEs) in the body depends on rapidity of their production and the rate of their removal by the urinary system. AGEs, accumulated in the extracellular matrix of the blood vessels and other organs, cause irreversible changes in the biochemical and biomechanical properties of tissues. As a consequence, micro- and macroangiopathies appear in the system, and may contribute to the organ failure, like kidneys and heart. Elevated levels of AGEs also increase the risk of Alzheimer's disease and various cancers. In this paper, we propose a new classification due to modified amino acid residues: arginyl-AGEs, monolysyl-AGEs and lysyl-arginyl-AGEs and dilysyl-AGEs. Furthermore, we describe in detail the effect of AGEs on the pathogenesis of metabolic and old age diseases, such as diabetic complications, atherosclerosis and neurodegenerative diseases. We summarize the currently available data on the diagnostic value of AGEs and present the AGEs as a therapeutic goal in a wide range of medical problems, including SARS-CoV-2 infection and so-called long COVID.
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Affiliation(s)
| | | | - Aleksandra Kuzan
- Department of Medical Biochemistry, Wroclaw Medical University, Wroclaw, Poland.
| | - Jadwiga Pietkiewicz
- Department of Medical Biochemistry, Wroclaw Medical University, Wroclaw, Poland
| | | | - Andrzej Gamian
- Department of Immunology of Infectious Diseases, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
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15
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Takeuchi K, Kazumura K, Kuzawa K, Hatano Y, Nagai M, Naito M. Effect of fat ingestion on postprandial oxidative status in healthy young women: a pilot study. J Clin Biochem Nutr 2024; 74:30-36. [PMID: 38292124 PMCID: PMC10822754 DOI: 10.3164/jcbn.23-50] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 07/29/2023] [Indexed: 02/01/2024] Open
Abstract
Reactive oxygen species (ROS) and highly reactive oxygen species (hROS) secreted by leukocytes are crucial to innate immunity; however, they pose a risk of oxidative stress. To monitor their balance in daily health check-ups, optical technologies for the simultaneous measurement of ROS (superoxide radicals) and hROS (hypochlorite ions) that utilize only a few microliters of whole blood have been developed. The aim of this study was to clarify whether this system could assess the effects of fat ingestion on postprandial oxidative status. Eight healthy young Japanese women ingested a beverage containing oral fat tolerance test cream. Blood samples were collected before and 0.5, 1, 2, 4, and 6 h after fat ingestion. Blood ROS and hROS levels, oxidative stress markers, and biochemical markers were monitored. Consistent with previous studies, triglyceride levels significantly increased at 4 h (p<0.01) and returned to near-baseline levels 6 h after ingestion. ROS levels peaked significantly at 2 h (p<0.05), and hROS levels peaked significantly at 1 (p<0.05) and 2 h (p<0.01) after ingestion. This study offers an insight into the acute effects of fat ingestion on leukocyte activity and provides a methodology for monitoring postprandial oxidative status.
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Affiliation(s)
- Kozo Takeuchi
- Central Research Laboratory, Hamamatsu Photonics K.K., 5000 Hirakuchi, Hamakita-ku, Hamamatsu, Shizuoka 434-8601, Japan
| | - Kimiko Kazumura
- Central Research Laboratory, Hamamatsu Photonics K.K., 5000 Hirakuchi, Hamakita-ku, Hamamatsu, Shizuoka 434-8601, Japan
- Global Strategic Challenge Center, Hamamatsu Photonics K.K., 5000 Hirakuchi, Hamakita-ku, Hamamatsu, Shizuoka 434-8601, Japan
| | - Kaori Kuzawa
- Department of Human Nutrition, School of Life Studies, Sugiyama Jogakuen University, 17-3 Hoshigaoka-motomachi, Chikusa-ku, Nagoya, Aichi 464-8662, Japan
| | - Yukiko Hatano
- Central Research Laboratory, Hamamatsu Photonics K.K., 5000 Hirakuchi, Hamakita-ku, Hamamatsu, Shizuoka 434-8601, Japan
- Global Strategic Challenge Center, Hamamatsu Photonics K.K., 5000 Hirakuchi, Hamakita-ku, Hamamatsu, Shizuoka 434-8601, Japan
| | - Masashi Nagai
- Research and Development Division, Healthcare Systems Co. Ltd., 1-14-18 Shirakane, Shouwa-ku, Nagoya, Aichi 466-0058, Japan
| | - Michitaka Naito
- Department of Human Nutrition, School of Life Studies, Sugiyama Jogakuen University, 17-3 Hoshigaoka-motomachi, Chikusa-ku, Nagoya, Aichi 464-8662, Japan
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16
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Marx N, Federici M, Schütt K, Müller-Wieland D, Ajjan RA, Antunes MJ, Christodorescu RM, Crawford C, Di Angelantonio E, Eliasson B, Espinola-Klein C, Fauchier L, Halle M, Herrington WG, Kautzky-Willer A, Lambrinou E, Lesiak M, Lettino M, McGuire DK, Mullens W, Rocca B, Sattar N. 2023 ESC Guidelines for the management of cardiovascular disease in patients with diabetes. Eur Heart J 2023; 44:4043-4140. [PMID: 37622663 DOI: 10.1093/eurheartj/ehad192] [Citation(s) in RCA: 341] [Impact Index Per Article: 341.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/26/2023] Open
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17
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Kjeldsen SAS, Thomsen MN, Skytte MJ, Samkani A, Richter MM, Frystyk J, Magkos F, Hansen E, Thomsen HS, Holst JJ, Madsbad S, Haugaard SB, Krarup T, Wewer Albrechtsen NJ. Markers of Glucagon Resistance Improve With Reductions in Hepatic Steatosis and Body Weight in Type 2 Diabetes. J Endocr Soc 2023; 7:bvad122. [PMID: 37818402 PMCID: PMC10561012 DOI: 10.1210/jendso/bvad122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Indexed: 10/12/2023] Open
Abstract
Context Hyperglucagonemia may develop in type 2 diabetes due to obesity-prone hepatic steatosis (glucagon resistance). Markers of glucagon resistance (including the glucagon-alanine index) improve following diet-induced weight loss, but the partial contribution of lowering hepatic steatosis vs body weight is unknown. Objective This work aimed to investigate the dependency of body weight loss following a reduction in hepatic steatosis on markers of glucagon resistance in type 2 diabetes. Methods A post hoc analysis was conducted from 2 previously published randomized controlled trials. We investigated the effect of weight maintenance (study 1: isocaloric feeding) or weight loss (study 2: hypocaloric feeding), both of which induced reductions in hepatic steatosis, on markers of glucagon sensitivity, including the glucagon-alanine index measured using a validated enzyme-linked immunosorbent assay and metabolomics in 94 individuals (n = 28 in study 1; n = 66 in study 2). Individuals with overweight or obesity with type 2 diabetes were randomly assigned to a 6-week conventional diabetes (CD) or carbohydrate-reduced high-protein (CRHP) diet within both isocaloric and hypocaloric feeding-interventions. Results By design, weight loss was greater after hypocaloric compared to isocaloric feeding, but both diets caused similar reductions in hepatic steatosis, allowing us to investigate the effect of reducing hepatic steatosis with or without a clinically relevant weight loss on markers of glucagon resistance. The glucagon-alanine index improved following hypocaloric, but not isocaloric, feeding, independently of macronutrient composition. Conclusion Improvements in glucagon resistance may depend on body weight loss in patients with type 2 diabetes.
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Affiliation(s)
- Sasha A S Kjeldsen
- Department of Clinical Biochemistry, Copenhagen University Hospital-Bispebjerg and Frederiksberg, Copenhagen, 2400, Denmark
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, 2200, Denmark
| | - Mads N Thomsen
- Department of Endocrinology, Copenhagen University Hospital-Bispebjerg and Frederiksberg, Copenhagen, 2400, Denmark
| | - Mads J Skytte
- Department of Endocrinology, Copenhagen University Hospital-Bispebjerg and Frederiksberg, Copenhagen, 2400, Denmark
| | - Amirsalar Samkani
- Department of Endocrinology, Copenhagen University Hospital-Bispebjerg and Frederiksberg, Copenhagen, 2400, Denmark
| | - Michael M Richter
- Department of Clinical Biochemistry, Copenhagen University Hospital-Bispebjerg and Frederiksberg, Copenhagen, 2400, Denmark
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, 2200, Denmark
| | - Jan Frystyk
- Department of Endocrinology, Odense University Hospital, Odense, 5000, Denmark
| | - Faidon Magkos
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, 1958, Denmark
| | - Elizaveta Hansen
- Department of Radiology, Copenhagen University Hospital-Herlev, Herlev, 2730, Denmark
| | - Henrik S Thomsen
- Department of Radiology, Copenhagen University Hospital-Herlev, Herlev, 2730, Denmark
| | - Jens J Holst
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, 2200, Denmark
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, 2200, Denmark
| | - Sten Madsbad
- Department of Endocrinology, Copenhagen University Hospital-Hvidovre, Hvidovre, 2650, Denmark
| | - Steen B Haugaard
- Department of Endocrinology, Copenhagen University Hospital-Bispebjerg and Frederiksberg, Copenhagen, 2400, Denmark
- Institute of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, 2200, Denmark
| | - Thure Krarup
- Department of Endocrinology, Copenhagen University Hospital-Bispebjerg and Frederiksberg, Copenhagen, 2400, Denmark
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, 1958, Denmark
| | - Nicolai J Wewer Albrechtsen
- Department of Clinical Biochemistry, Copenhagen University Hospital-Bispebjerg and Frederiksberg, Copenhagen, 2400, Denmark
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, 2200, Denmark
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18
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Bednarska K, Fecka I, Scheijen JLJM, Ahles S, Vangrieken P, Schalkwijk CG. A Citrus and Pomegranate Complex Reduces Methylglyoxal in Healthy Elderly Subjects: Secondary Analysis of a Double-Blind Randomized Cross-Over Clinical Trial. Int J Mol Sci 2023; 24:13168. [PMID: 37685975 PMCID: PMC10488144 DOI: 10.3390/ijms241713168] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
Reactive α-dicarbonyls (α-DCs), such as methylglyoxal (MGO), glyoxal (GO), and 3-deoxyglucosone (3-DG), are potent precursors in the formation of advanced glycation end products (AGEs). In particular, MGO and MGO-derived AGEs are thought to be involved in the development of vascular complications in diabetes. Experimental studies showed that citrus and pomegranate polyphenols can scavenge α-DCs. Therefore, the aim of this study was to evaluate the effect of a citrus and pomegranate complex (CPC) on the α-DCs plasma levels in a double-blind, placebo-controlled cross-over trial, where thirty-six elderly subjects were enrolled. They received either 500 mg of Citrus sinensis peel extract and 200 mg of Punica granatum concentrate in CPC capsules or placebo capsules for 4 weeks, with a 4-week washout period in between. For the determination of α-DCs concentrations, liquid chromatography tandem mass spectrometry was used. Following four weeks of CPC supplementation, plasma levels of MGO decreased by 9.8% (-18.7 nmol/L; 95% CI: -36.7, -0.7 nmol/L; p = 0.042). Our findings suggest that CPC supplementation may represent a promising strategy for mitigating the conditions associated with MGO involvement. This study was registered on clinicaltrials.gov as NCT03781999.
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Affiliation(s)
- Katarzyna Bednarska
- Department of Pharmacognosy, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556 Wroclaw, Poland
| | - Izabela Fecka
- Department of Pharmacognosy, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556 Wroclaw, Poland
- The Committee on Therapeutics and Pharmaceutical Sciences, The Polish Academy of Sciences, Pl. Defilad 1, 00-901 Warsaw, Poland
| | - Jean L. J. M. Scheijen
- Department of Internal Medicine, Maastricht University Medical Center+, 6229 ER Maastricht, The Netherlands; (J.L.J.M.S.); (P.V.); (C.G.S.)
- CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, 6229 ER Maastricht, The Netherlands
| | - Sanne Ahles
- Department of Nutrition and Movement Sciences, School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, 6229 ER Maastricht, The Netherlands;
- BioActor BV, 6229 GS Maastricht, The Netherlands
| | - Philippe Vangrieken
- Department of Internal Medicine, Maastricht University Medical Center+, 6229 ER Maastricht, The Netherlands; (J.L.J.M.S.); (P.V.); (C.G.S.)
- CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, 6229 ER Maastricht, The Netherlands
| | - Casper G. Schalkwijk
- Department of Internal Medicine, Maastricht University Medical Center+, 6229 ER Maastricht, The Netherlands; (J.L.J.M.S.); (P.V.); (C.G.S.)
- CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, 6229 ER Maastricht, The Netherlands
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19
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Nayan MIH, Alam MM, Jamil MA, Hossain MI, Haq I, Hannan J. Pharmacological effect of Heritiera fomes on Long Evans rats against Postprandial Hyperglycemia and adsorption in vitro. J Diabetes Metab Disord 2023; 22:189-197. [PMID: 37255798 PMCID: PMC10225449 DOI: 10.1007/s40200-022-01058-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 05/05/2022] [Accepted: 05/10/2022] [Indexed: 06/01/2023]
Abstract
Background Natural restoratives from traditional medicinal plants are considered to be a convenient, potent, and risk-free substitute treatment for hyperglycaemia. Our objective was to explore the activity of the crude extract of Heritiera fomes on postprandial hyperglycaemia by assessing relative measurements in a laboratory animal model. Methods The Streptozotocin induced diabetic rat (n = 88, twenty-two per group) was used for the glucose tolerance test as an initial support for the study. BaSO4 was administered orally as a marker to measure gut motility after one hour of methanolic extract (500 mg/kg body weight) administration where, only purified water (10 ml/kg) was used to treat the control group (n = 12) and a dose (500 mg/kg) of H. fomes extract was used for the test group (n = 12 in each group). After 60 min of incubation of the mixture of extract and glucose with 10% (v/v) yeast cell suspension, the absorbance was measured to determine the capacity of glucose absorption by yeast cells. Sixty Long Evans rats (n = 12 in each group) were used to assess disaccharidase enzyme activity as µmol/mg protein per hour by Lowry's protein estimation method. The carbohydrate absorption investigation was executed to evaluate the leftover sucrose content in the gastrointestinal system (n = 64). Results After oral administration of MHFL (71.84%), MHFB (71.41%), and MHFR (72.55%), GI motility (%) increased significantly (p < 0.001) compared to the control group (59.06%). A significant increase in glucose uptake and adsorption capacity measured by different concentrations of glucose ensures the decrease of glucose bound rate and a significant drop in blood glucose concentration. The significant (p < 0.001) decrease in intestinal disaccharidase activity of MHFL (1.40), MHFB (1.36), and MHFR (1.20) in comparison to the control group (1.50) indicates that the presence of H. fomes may reduce glucose absorption in the small bowel. Significant (p < 0.001 & p < 0.05) accumulation of sucrose content in the six different parts of the GI tract suggests the absorption of sucrose was decreased. Conclusions The findings of this study provide evidence on probable mechanisms for the anti-diabetic characteristics of H. fomes, and it is predicted that this plant will be studied further for the development of strong anti-hyperglycemic medicines.
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Affiliation(s)
| | - Md. Mohibul Alam
- Training Department, Eskayef Pharmaceuticals Limited, 1213 Dhaka, Bangladesh
| | - Md. Abrar Jamil
- Department of Pharmacy, East West University, 1212 Dhaka, Bangladesh
| | | | - Iqramul Haq
- Department of Agricultural Statistics, Sher-e-Bangla Agricultural University, 1207 Dhaka, Bangladesh
| | - J.M.A. Hannan
- School of Pharmacy and Public Health, Independent University Bangladesh, 1229 Dhaka, Bangladesh
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20
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Bellachioma L, Morresi C, Albacete A, Martínez-Melgarejo PA, Ferretti G, Giorgini G, Galeazzi R, Damiani E, Bacchetti T. Insights on the Hypoglycemic Potential of Crocus sativus Tepal Polyphenols: An In Vitro and In Silico Study. Int J Mol Sci 2023; 24:ijms24119213. [PMID: 37298165 DOI: 10.3390/ijms24119213] [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: 03/31/2023] [Revised: 05/19/2023] [Accepted: 05/23/2023] [Indexed: 06/12/2023] Open
Abstract
Post-prandial hyperglycemia typical of diabetes mellitus could be alleviated using plant-derived compounds such as polyphenols, which could influence the activities of enzymes involved in carbohydrate digestion and of intestinal glucose transporters. Here, we report on the potential anti-hyperglycemic effect of Crocus sativus tepals compared to stigmas, within the framework of valorizing these by-products of the saffron industry, since the anti-diabetic properties of saffron are well-known, but not those of its tepals. In vitro assays showed that tepal extracts (TE) had a greater inhibitory action than stigma extracts (SE) on α-amylase activity (IC50: TE = 0.60 ± 0.09 mg/mL; SE = 1.10 ± 0.08 mg/mL; acarbose = 0.051 ± 0.07) and on glucose absorption in Caco-2 differentiated cells (TE = 1.20 ± 0.02 mg/mL; SE = 2.30 ± 0.02 mg/mL; phlorizin = 0.23 ± 0.01). Virtual screening performed with principal compounds from stigma and tepals of C. sativus and human pancreatic α-amylase, glucose transporter 2 (GLUT2) and sodium glucose co-transporter-1 (SGLT1) were validated via molecular docking, e.g., for human pancreatic α-amylase, epicatechin 3-o-gallate and catechin-3-o-gallate were the best scored ligands from tepals (-9.5 kcal/mol and -9.4 kcal/mol, respectively), while sesamin and episesamin were the best scored ones from stigmas (-10.1 kcal/mol). Overall, the results point to the potential of C. sativus tepal extracts in the prevention/management of diabetes, likely due to the rich pool of phytocompounds characterized using high-resolution mass spectrometry, some of which are capable of binding and interacting with proteins involved in starch digestion and intestinal glucose transport.
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Affiliation(s)
- Luisa Bellachioma
- Department of Life and Environmental Sciences, Marche Polytechnic University, Via Brecce Bianche, 60131 Ancona, Italy
| | - Camilla Morresi
- Department of Life and Environmental Sciences, Marche Polytechnic University, Via Brecce Bianche, 60131 Ancona, Italy
| | - Alfonso Albacete
- Centro de Edafología y Biología Aplicada del Segura, Agencia Estatal Consejo Superior de Investigaciones Científicas (CEBAS-CSIC), Department of Plant Nutrition, Campus Universitario de Espinardo, E-30100 Murcia, Spain
| | - Purificación A Martínez-Melgarejo
- Centro de Edafología y Biología Aplicada del Segura, Agencia Estatal Consejo Superior de Investigaciones Científicas (CEBAS-CSIC), Department of Plant Nutrition, Campus Universitario de Espinardo, E-30100 Murcia, Spain
| | - Gianna Ferretti
- Department of Clinical Science and Odontostomatology, Marche Polytechnic University, Via Brecce Bianche, 60131 Ancona, Italy
| | - Giorgia Giorgini
- Department of Life and Environmental Sciences, Marche Polytechnic University, Via Brecce Bianche, 60131 Ancona, Italy
| | - Roberta Galeazzi
- Department of Life and Environmental Sciences, Marche Polytechnic University, Via Brecce Bianche, 60131 Ancona, Italy
| | - Elisabetta Damiani
- Department of Life and Environmental Sciences, Marche Polytechnic University, Via Brecce Bianche, 60131 Ancona, Italy
| | - Tiziana Bacchetti
- Department of Life and Environmental Sciences, Marche Polytechnic University, Via Brecce Bianche, 60131 Ancona, Italy
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21
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García-Vázquez C, Ble-Castillo JL, Arias-Córdova Y, Ramos-García M, Olvera-Hernández V, Guzmán-Priego CG, Martínez-López MC, Jiménez-Domínguez G, Hernández-Becerra JA. Effects of resistant starch on glycemic response, postprandial lipemia and appetite in subjects with type 2 diabetes. Eur J Nutr 2023:10.1007/s00394-023-03154-4. [PMID: 37083722 DOI: 10.1007/s00394-023-03154-4] [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: 10/31/2022] [Accepted: 04/13/2023] [Indexed: 04/22/2023]
Abstract
PURPOSE Resistant starch (RS) content has exhibited beneficial effects on glycemic control; however, few studies have investigated the effects of this substance on postprandial responses and appetite in subjects with type 2 diabetes (T2D). Here, we aimed to examine the effects of RS from two sources on glycemic response (GR), postprandial lipemia, and appetite in subjects with T2D. METHODS In a randomized and crossover study, 17 subjects with T2D consumed native banana starch (NBS), high-amylose maize starch (HMS) or digestible maize starch (DMS) for 4 days. On day 5, a 6-h oral meal tolerance test (MTT) was performed to evaluate glycemic and insulinemic responses as well as postprandial lipemia. Besides, subjective appetite assessment was measured using a visual analogue scale. RESULTS NBS induced a reduction on fasting glycemia, glycemia peak and insulinemic response during MTT. However, no modifications on postprandial lipemia were observed after RS treatments. Both NBS and HMS reduced hunger and increased satiety. CONCLUSION NBS supplementation induced more beneficial effects on glycemic metabolism than HMS even when all interventions were matched for digestible starch content. RS intake did not modify postprandial lipemia, however, positively affected subjective appetite rates. TRIAL REGISTRATION This trial was retrospectively registered at www.anzctr.org.au (ACTRN12621001382864) on October 11, 2021.
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Affiliation(s)
- Carlos García-Vázquez
- Centro de Investigación, División Académica de Ciencias de la Salud (DACS), Universidad Juárez Autónoma de Tabasco (UJAT), Villahermosa, Tabasco, Mexico
| | - Jorge L Ble-Castillo
- Centro de Investigación, División Académica de Ciencias de la Salud (DACS), Universidad Juárez Autónoma de Tabasco (UJAT), Villahermosa, Tabasco, Mexico.
| | - Yolanda Arias-Córdova
- Centro de Investigación, División Académica de Ciencias de la Salud (DACS), Universidad Juárez Autónoma de Tabasco (UJAT), Villahermosa, Tabasco, Mexico
| | - Meztli Ramos-García
- Centro de Investigación, División Académica de Ciencias de la Salud (DACS), Universidad Juárez Autónoma de Tabasco (UJAT), Villahermosa, Tabasco, Mexico
| | - Viridiana Olvera-Hernández
- Centro de Investigación, División Académica de Ciencias de la Salud (DACS), Universidad Juárez Autónoma de Tabasco (UJAT), Villahermosa, Tabasco, Mexico
| | - Crystell G Guzmán-Priego
- Centro de Investigación, División Académica de Ciencias de la Salud (DACS), Universidad Juárez Autónoma de Tabasco (UJAT), Villahermosa, Tabasco, Mexico
| | - Mirian C Martínez-López
- Centro de Investigación, División Académica de Ciencias de la Salud (DACS), Universidad Juárez Autónoma de Tabasco (UJAT), Villahermosa, Tabasco, Mexico
| | - Guadalupe Jiménez-Domínguez
- Departamento de Medicina Interna, Hospital General de Zona No. 46, Instituto Mexicano del Seguro Social (IMSS), Villahermosa, Tabasco, Mexico
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22
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Toma L, Sanda GM, Stancu CS, Niculescu LS, Raileanu M, Sima AV. Oscillating Glucose Induces the Increase in Inflammatory Stress through Ninjurin-1 Up-Regulation and Stimulation of Transport Proteins in Human Endothelial Cells. Biomolecules 2023; 13:biom13040626. [PMID: 37189375 DOI: 10.3390/biom13040626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 03/25/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
Clinical data implicate fluctuations of high levels of plasma glucose in cardiovascular diseases. Endothelial cells (EC) are the first cells of the vessel wall exposed to them. Our aim was to evaluate the effects of oscillating glucose (OG) on EC function and to decipher new molecular mechanisms involved. Cultured human ECs (EA.hy926 line and primary cells) were exposed to OG (5/25 mM alternatively at 3 h), constant HG (25 mM) or physiological concentration (5 mM, NG) for 72 h. Markers of inflammation (Ninj-1, MCP-1, RAGE, TNFR1, NF-kB, and p38 MAPK), oxidative stress (ROS, VPO1, and HO-1), and transendothelial transport proteins (SR-BI, caveolin-1, and VAMP-3) were assessed. Inhibitors of ROS (NAC), NF-kB (Bay 11-7085), and Ninj-1 silencing were used to identify the mechanisms of OG-induced EC dysfunction. The results revealed that OG determined an increased expression of Ninj-1, MCP-1, RAGE, TNFR1, SR-B1, and VAMP-3 andstimulated monocyte adhesion. All of these effects were induced bymechanisms involving ROS production or NF-kB activation. NINJ-1 silencing inhibited the upregulation of caveolin-1 and VAMP-3 induced by OG in EC. In conclusion, OG induces increased inflammatory stress, ROS production, and NF-kB activation and stimulates transendothelial transport. To this end, we propose a novel mechanism linking Ninj-1 up-regulation to increased expression of transendothelial transport proteins.
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23
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Nomoto H. Fixed-ratio combinations of basal insulin and glucagon-like peptide-1 receptor agonists as a promising strategy for treating diabetes. World J Diabetes 2023; 14:188-197. [PMID: 37035222 PMCID: PMC10075027 DOI: 10.4239/wjd.v14.i3.188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/13/2023] [Accepted: 02/09/2023] [Indexed: 03/15/2023] Open
Abstract
The maintenance of appropriate glycemic control is important for the prevention of diabetic complications in people with type 2 diabetes (T2D). Numerous oral antidiabetic drugs are now clinically available, but in particular, the introduction of injection regimens using insulin and/or glucagon-like peptide-1 receptor agonist (GLP-1RA)s represents promising step-up options for oral antidiabetic drug treatment. The recently licensed fixed-ratio combination (FRC) products, which comprise basal insulin and a GLP-1RA, have potent anti-hyperglycemic effects and reduce the undesirable side-effects of each component, such as body weight gain, hypoglycemia, and gastrointestinal symptoms. Two FRCs-insulin degludec/Liraglutide and insulin glargine/Lixisenatide-are now clinically available and, to date, several phase II/III trials have been conducted in particular groups of subjects with T2D. However, their utility in real-world clinical settings is of interest for most clinicians. Recently reported real-world clinical trials of these two FRCs in various situations have demonstrated their efficacy regarding glycemic control and the quality of life of people with T2D. Their long-term safety and efficacy require confirmation, but a treatment strategy that includes an FRC may be compatible with the concept of “well-balanced” therapy in certain groups of patients with T2D who have inadequate glycemic control.
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Affiliation(s)
- Hiroshi Nomoto
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Hokkaido, Japan
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Thomas MC, Coughlan MT, Cooper ME. The postprandial actions of GLP-1 receptor agonists: The missing link for cardiovascular and kidney protection in type 2 diabetes. Cell Metab 2023; 35:253-273. [PMID: 36754019 DOI: 10.1016/j.cmet.2023.01.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Recent clinical trials in people with type 2 diabetes have demonstrated beneficial actions on heart and kidney outcomes following treatment with GLP-1RAs. In part, these actions are consistent with improved glucose control and significant weight loss. But GLP-1RAs may also have additive benefits by improving postprandial dysmetabolism. In diabetes, dysregulated postprandial nutrient excursions trigger inflammation, oxidative stress, endothelial dysfunction, thrombogenicity, and endotoxemia; alter hormone levels; and modulate cardiac output and regional blood and lymphatic flow. In this perspective, we explore the actions of GLP-1RAs on the postprandial state and their potential role in end-organ benefits observed in recent trials.
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Affiliation(s)
- Merlin C Thomas
- Department of Diabetes, Monash University, Central Clinical School, 99 Commercial Road, Melbourne, Australia; Department of Biochemistry, Monash University, Melbourne, Australia
| | - Melinda T Coughlan
- Department of Diabetes, Monash University, Central Clinical School, 99 Commercial Road, Melbourne, Australia; Drug Discovery Biology, Monash Institute of Pharmaceutical Science, Monash University Parkville Campus, 381 Royal Parade, Parkville, 3052 VIC, Australia
| | - Mark E Cooper
- Department of Diabetes, Monash University, Central Clinical School, 99 Commercial Road, Melbourne, Australia.
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Carbone MG, Pomara N, Callegari C, Marazziti D, Imbimbo BP. Type 2 Diabetes Mellitus, Platelet Activation and Alzheimer's Disease: A Possible Connection. CLINICAL NEUROPSYCHIATRY 2022; 19:370-378. [PMID: 36627944 PMCID: PMC9807118 DOI: 10.36131/cnfioritieditore20220604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Type 2 diabetes mellitus DM (T2DM) is associated with a 70% increased risk for dementia, including Alzheimer's disease (AD). Insulin resistance has been proposed to play a pivotal role in both T2DM and AD and the concept of "brain insulin resistance" has been suggested as an interpretation to the growing literature regarding cognitive impairment and T2DM. Subjects with T2DM present an abnormal platelet reactivity that together with insulin resistance, hyperglycaemia and dyslipidaemia effect the vascular wall by a series of events including endothelial dysfunction, oxidative stress and low-grade inflammation. Activated platelets directly contribute to cerebral amyloid angiopathy (CAA) by promoting the formation of β-amyloid (Aβ) aggregates and that Aβ, in turn, activates platelets, creating a feed-forward loop suggesting the involvement of platelets in the AD pathogenesis. Moreover, islet amyloid polypeptide deposition, co-localized with Aβ deposits, is a common finding in the brain of patients with T2DM. These observations raise the intriguing prospect that traditional or novel antiplatelet therapeutic strategies may alleviate fibril formation and could be used in the prevention or treatment of AD subjects with diabetes.
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Affiliation(s)
- Manuel Glauco Carbone
- Department of Medicine and Surgery, Division of Psychiatry, University of Insubria, Viale Luigi Borri 57, 21100 Varese, Italy, Pisa-School of Experimental and Clinical Psychiatry, University of Pisa, Italy Via Roma 57, 56100.,Corresponding author Manuel Glauco Carbone E-mail:
| | - Nunzio Pomara
- Geriatric Psychiatry Department, Nathan Kline Institute, and Departments of Psychiatry and Pathology, NYU Grossman School of Medicine, 140 Old Orangeburg Road Orangeburg, New York 10962.,,
| | - Camilla Callegari
- Department of Medicine and Surgery, Division of Psychiatry, University of Insubria, Viale Luigi Borri 57, 21100 Varese, Italy,
| | - Donatella Marazziti
- Pisa-School of Experimental and Clinical Psychiatry, University of Pisa, Italy Via Roma 57, 56100., Saint Camillus International University of Health and Medical Sciences - UniCamillus - 00131 Rome, Italy.,
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Joshi S, Verma R, Lathia T, Selvan C, Tanna S, Saraf A, Tiwaskar M, Modi A, Kalra S, K V, Chitale M, Malde F, Abdul Khader M, Singal AK. Changes in HbA1c and weight in people with Type 2 Diabetes after continuous glucose monitoring based Diabefly-Pro digital therapeutics program: Analysis of real-world data (Preprint). JMIR Diabetes 2022; 8:e43292. [PMID: 37133922 DOI: 10.2196/43292] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 01/31/2023] [Accepted: 03/07/2023] [Indexed: 03/09/2023] Open
Abstract
BACKGROUND Digital therapeutic platforms facilitate health care through patient-centered strategies based on multidisciplinary teams and shared decision-making. Such platforms can be used for developing a dynamic model of diabetes care delivery, which can help in improving glycemic control by promoting long-term behavior changes in people with diabetes. OBJECTIVE This study aims to evaluate the real-world effectiveness of the Fitterfly Diabetes CGM digital therapeutics program for improving glycemic control in people with type 2 diabetes mellitus (T2DM) after the completion of 90 days in the program. METHODS We analyzed deidentified data of 109 participants in the Fitterfly Diabetes CGM program. This program was delivered through the Fitterfly mobile app coupled with continuous glucose monitoring (CGM) technology. This program consists of 3 phases: the first phase is observation, wherein the patient's CGM readings are observed for 7 days (week 1); the second phase is the intervention; and the third phase aims at sustaining the lifestyle modification introduced during the second phase. The primary outcome of our study was the change in the participants' hemoglobin A1c (HbA1c) levels after program completion. We also evaluated the changes in participant weight and BMI after the program, changes in the CGM metrics in the initial 2 weeks of the program, and the effects of participant engagement in the program on improving their clinical outcomes. RESULTS At the end of the 90 days of the program, the mean HbA1c levels, weight, and BMI of the participants were significantly reduced by 1.2% (SD 1.6%), 2.05 (SD 2.84) kg, and 0.74 (SD 1.02) kg/m2 from baseline values of 8.4% (SD 1.7%), 74.45 (SD 14.96) kg, and 27.44 (SD 4.69) kg/m2 in week 1, respectively (P<.001). The average blood glucose levels and time above range values showed a significant mean reduction by 16.44 (SD 32.05) mg/dL and 8.7% (SD 17.1%) in week 2 from week 1 baseline values of 152.90 (SD 51.63) mg/dL and 36.7% (SD 28.4%), respectively (P<.001 for both). Time in range values significantly improved by 7.1% (SD 16.7%) from a baseline value of 57.5% (SD 25%) in week 1 (P<.001). Of all the participants, 46.9% (50/109) showed HbA1c reduction ≥1% and 38.5% (42/109) showed weight loss ≥4%. The average number of times the mobile app was opened by each participant during the program was 108.80 (SD 127.91) times. CONCLUSIONS Our study shows that participants in the Fitterfly Diabetes CGM program showed a significant improvement in their glycemic control and reduction in weight and BMI. They also showed a high level of engagement with the program. Weight reduction was significantly associated with higher participant engagement with the program. Thus, this digital therapeutic program can be considered as an effective tool for improving glycemic control in people with T2DM.
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Affiliation(s)
- Shilpa Joshi
- Department of Metabolic Nutrition, Fitterfly HealthTech Pvt Ltd, Navi Mumbai, India
| | - Ritika Verma
- Department of Scientific writing and Research, Fitterfly HealthTech Pvt Ltd, Navi Mumbai, India
| | - Tejal Lathia
- Department of Endocrinology and Diabetology, Apollo Hospitals, Navi Mumbai, India
| | - Chitra Selvan
- Department of Endocrinology and Diabetology, MS Ramaiah Memorial Hospital, Bangalore, India
| | - Snehal Tanna
- Department of Internal Medicine, Jupiter Hospital, Thane, India
| | - Amit Saraf
- Department of Internal Medicine, Jupiter Hospital, Thane, India
| | - Mangesh Tiwaskar
- Department of Diabetology, Shilpa Medical Research Center, Mumbai, India
| | - Alok Modi
- Department of General Medicine, Kevalya Hospital, Thane, India
| | - Sanjay Kalra
- Department of Endocrinology and Diabetology, Bharti Research Institute of Diabetes and Endocrinology, Haryana, India
| | - Vasudevarao K
- Department of Endocrinology and Diabetology, Hridayam Diabetes World, Thane, India
| | - Manoj Chitale
- Department of General Medicine, Shree Clinic, Nashik, India
| | - Forum Malde
- Department of Metabolic Nutrition, Fitterfly HealthTech Pvt Ltd, Navi Mumbai, India
| | - Mohammed Abdul Khader
- Department of Scientific writing and Research, Fitterfly HealthTech Pvt Ltd, Navi Mumbai, India
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Di Mario C, Genovese S, Lanza GA, Mannucci E, Marenzi G, Sciatti E, Pitocco D. Role of continuous glucose monitoring in diabetic patients at high cardiovascular risk: an expert-based multidisciplinary Delphi consensus. Cardiovasc Diabetol 2022; 21:164. [PMID: 36030229 PMCID: PMC9420264 DOI: 10.1186/s12933-022-01598-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 07/14/2022] [Indexed: 11/26/2022] Open
Abstract
Background Continuous glucose monitoring (CGM) shows in more detail the glycaemic pattern of diabetic subjects and provides several new parameters (“glucometrics”) to assess patients’ glycaemia and consensually guide treatment. A better control of glucose levels might result in improvement of clinical outcome and reduce disease complications. This study aimed to gather an expert consensus on the clinical and prognostic use of CGM in diabetic patients at high cardiovascular risk or with heart disease. Methods A list of 22 statements concerning type of patients who can benefit from CGM, prognostic impact of CGM in diabetic patients with heart disease, CGM use during acute cardiovascular events and educational issues of CGM were developed. Using a two-round Delphi methodology, the survey was distributed online to 42 Italian experts (21 diabetologists and 21 cardiologists) who rated their level of agreement with each statement on a 5-point Likert scale. Consensus was predefined as more than 66% of the panel agreeing/disagreeing with any given statement. Results Forty experts (95%) answered the survey. Every statement achieved a positive consensus. In particular, the panel expressed the feeling that CGM can be prognostically relevant for every diabetic patient (70%) and that is clinically useful also in the management of those with type 2 diabetes not treated with insulin (87.5%). The assessment of time in range (TIR), glycaemic variability (GV) and hypoglycaemic/hyperglycaemic episodes were considered relevant in the management of diabetic patients with heart disease (92.5% for TIR, 95% for GV, 97.5% for time spent in hypoglycaemia) and can improve the prognosis of those with ischaemic heart disease (100% for hypoglycaemia, 90% for hyperglycaemia) or with heart failure (87.5% for hypoglycaemia, 85% for TIR, 87.5% for GV). The experts retained that CGM can be used and can impact the short- and long-term prognosis during an acute cardiovascular event. Lastly, CGM has a recognized educational role for diabetic subjects. Conclusions According to this Delphi consensus, the clinical and prognostic use of CGM in diabetic patients at high cardiovascular risk is promising and deserves dedicated studies to confirm the experts’ feelings.
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Affiliation(s)
- Carlo Di Mario
- Cardiology Unit, AOU Careggi and University of Florence, Florence, Italy
| | - Stefano Genovese
- Diabetes, Endocrine and Metabolic Diseases Unit, Centro Cardiologico Monzino IRCCS, Milan, Italy.
| | - Gaetano A Lanza
- Noninvasive Diagnostic Cardiology Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Edoardo Mannucci
- Diabetology Unit, AOU Careggi and University of Florence, Florence, Italy
| | - Giancarlo Marenzi
- Intensive Cardiac Care Unit, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | | | - Dario Pitocco
- Diabetology Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
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Phillips MC. Metabolic Strategies in Healthcare: A New Era. Aging Dis 2022; 13:655-672. [PMID: 35656107 PMCID: PMC9116908 DOI: 10.14336/ad.2021.1018] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 10/18/2021] [Indexed: 12/14/2022] Open
Abstract
Modern healthcare systems are founded on a disease-centric paradigm, which has conferred many notable successes against infectious disorders in the past. However, today's leading causes of death are dominated by non-infectious "lifestyle" disorders, broadly represented by the metabolic syndrome, atherosclerosis, cancer, and neurodegeneration. Our disease-centric paradigm regards these disorders as distinct disease processes, caused and driven by disease targets that must be suppressed or eliminated to clear the disease. By contrast, a health-centric paradigm recognizes the lifestyle disorders as a series of hormonal and metabolic responses to a singular, lifestyle-induced disease of mitochondria dysfunction, a disease target that must be restored to improve health, which may be defined as optimized mitochondria function. Seen from a health-centric perspective, most drugs target a response rather than the disease, whereas metabolic strategies, such as fasting and carbohydrate-restricted diets, aim to restore mitochondria function, mitigating the impetus that underlies and drives the lifestyle disorders. Substantial human evidence indicates either strategy can effectively mitigate the metabolic syndrome. Preliminary evidence also indicates potential benefits in atherosclerosis, cancer, and neurodegeneration. Given the existing evidence, integrating metabolic strategies into modern healthcare systems should be identified as a global health priority.
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Pandya Thakkar N, Pereira BMV, Katakia YT, Ramakrishnan SK, Thakar S, Sakhuja A, Rajeev G, Soorya S, Thieme K, Majumder S. Elevated H3K4me3 Through MLL2-WDR82 upon Hyperglycemia Causes Jagged Ligand Dependent Notch Activation to Interplay with Differentiation State of Endothelial Cells. Front Cell Dev Biol 2022; 10:839109. [PMID: 35392173 PMCID: PMC8982561 DOI: 10.3389/fcell.2022.839109] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Accepted: 02/07/2022] [Indexed: 01/09/2023] Open
Abstract
Endothelial-to-mesenchymal transition (EndMT) is a hallmark of diabetes-associated vascular complications. Epigenetic mechanisms emerged as one of the key pathways to regulate diabetes-associated complications. In the current study, we aimed to determine how abrupt changes in histone 3 lysine 4 tri-methylation (H3K4me3) upon hyperglycemia exposure reprograms endothelial cells to undergo EndMT. Through in vitro studies, we first establish that intermittent high-glucose exposure to EC most potently induced partial mesenchyme-like characteristics compared with transient or constant high-glucose-challenged endothelial cells. In addition, glomerular endothelial cells of BTBR Ob/Ob mice also exhibited mesenchymal-like characteristics. Intermittent hyperglycemia-dependent induction of partial mesenchyme-like phenotype of endothelial cells coincided with an increase in H3K4me3 level in both macro- and micro-vascular EC due to selective increase in MLL2 and WDR82 protein of SET1/COMPASS complex. Such an endothelial-specific heightened H3K4me3 level was also detected in intermittent high-glucose-exposed rat aorta and in kidney glomeruli of Ob/Ob mice. Elevated H3K4me3 enriched in the promoter regions of Notch ligands Jagged1 and Jagged2, thus causing abrupt expression of these ligands and concomitant activation of Notch signaling upon intermittent hyperglycemia challenge. Pharmacological inhibition and/or knockdown of MLL2 in cells in vitro or in tissues ex vivo normalized intermittent high-glucose-mediated increase in H3K4me3 level and further reversed Jagged1 and Jagged2 expression, Notch activation and further attenuated acquisition of partial mesenchyme-like phenotype of endothelial cells. In summary, the present study identifies a crucial role of histone methylation in hyperglycemia-dependent reprograming of endothelial cells to undergo mesenchymal transition and indicated that epigenetic pathways contribute to diabetes-associated vascular complications.
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Affiliation(s)
- Niyati Pandya Thakkar
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani Campus, Pilani, India
| | - Beatriz Maria Veloso Pereira
- Laboratório de Bases Celulares e Moleculares da Fisiologia Renal, Departamento de Fisiologia e Biofísica, Instituto de Ciências Biomédicas, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Yash T. Katakia
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani Campus, Pilani, India
| | - Shyam Kumar Ramakrishnan
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani Campus, Pilani, India
| | - Sumukh Thakar
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani Campus, Pilani, India
| | - Ashima Sakhuja
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani Campus, Pilani, India
| | - Gayathry Rajeev
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani Campus, Pilani, India
| | - S. Soorya
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani Campus, Pilani, India
| | - Karina Thieme
- Laboratório de Bases Celulares e Moleculares da Fisiologia Renal, Departamento de Fisiologia e Biofísica, Instituto de Ciências Biomédicas, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Syamantak Majumder
- Department of Biological Sciences, Birla Institute of Technology and Science (BITS), Pilani Campus, Pilani, India
- *Correspondence: Syamantak Majumder,
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Brosolo G, Da Porto A, Bulfone L, Scandolin L, Vacca A, Bertin N, Vivarelli C, Sechi LA, Catena C. Vitamin D Deficiency Is Associated with Glycometabolic Changes in Nondiabetic Patients with Arterial Hypertension. Nutrients 2022; 14:nu14020311. [PMID: 35057492 PMCID: PMC8778458 DOI: 10.3390/nu14020311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/07/2022] [Accepted: 01/10/2022] [Indexed: 11/16/2022] Open
Abstract
Recent evidence indicates that mildly increased fasting and post-oral load blood glucose concentrations contribute to development of organ damage in nondiabetic patients with hypertension. In previous studies, vitamin D deficiency was associated with decreased glucose tolerance. The aim of this study was to examine the relationships between serum 25(OH)D levels and glucose tolerance and insulin sensitivity in hypertension. In 187 nondiabetic essential hypertensive patients free of cardiovascular or renal complications, we measured serum 25-hydroxyvitamin D (25(OH)D) and parathyroid hormone (PTH) and performed a standard oral glucose tolerance test (OGTT). Patients with 25(OH)D deficiency/insufficiency were older and had significantly higher blood pressure, fasting and post-OGTT (G-AUC) glucose levels, post-OGTT insulin (I-AUC), PTH levels, and prevalence of metabolic syndrome than patients with normal serum 25(OH)D. 25(OH)D levels were inversely correlated with age, blood pressure, fasting glucose, G-AUC, triglycerides, and serum calcium and PTH, while no significant relationships were found with body mass index (BMI), fasting insulin, I-AUC, HOMA index, and renal function. In a multivariate regression model, greater G-AUC was associated with lower 25(OH)D levels independently of BMI and seasonal vitamin D variations. Thus, in nondiabetic hypertensive patients, 25(OH)D deficiency/insufficiency could contribute to impaired glucose tolerance without directly affecting insulin sensitivity.
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Shayo SC, Ogiso K, Kawade S, Hashiguchi H, Deguchi T, Nishio Y. Dietary obesity and glycemic excursions cause a parallel increase in STEAP4 and pro-inflammatory gene expression in murine PBMCs. Diabetol Int 2021; 13:358-371. [DOI: 10.1007/s13340-021-00542-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 09/05/2021] [Indexed: 11/29/2022]
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Ahmadi A, Panahi Y, Johnston TP, Sahebkar A. Antidiabetic drugs and oxidized low-density lipoprotein: A review of anti-atherosclerotic mechanisms. Pharmacol Res 2021; 172:105819. [PMID: 34400317 DOI: 10.1016/j.phrs.2021.105819] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/12/2021] [Accepted: 08/12/2021] [Indexed: 02/07/2023]
Abstract
Cardiovascular disease is one of the leading causes of mortality globally. Atherosclerosis is an important step towards different types of cardiovascular disease. The role of oxidized low-density lipoprotein (oxLDL) in the initiation and progression of atherosclerosis has been thoroughly investigated in recent years. Moreover, clinical trials have established that diabetic patients are at a greater risk of developing atherosclerotic plaques. Hence, we aimed to review the clinical and experimental impacts of various classes of antidiabetic drugs on the circulating levels of oxLDL. Metformin, pioglitazone, and dipeptidyl peptidase-4 inhibitors were clinically associated with a suppressive effect on oxLDL in patients with impaired glucose tolerance. However, there is an insufficient number of studies that have clinically evaluated the relationship between oxLDL and newer agents such as agonists of glucagon-like peptide 1 receptor or inhibitors of sodium-glucose transport protein 2. Next, we attempted to explore the multitude of mechanisms that antidiabetic agents exert to counter the undesirable effects of oxLDL in macrophages, endothelial cells, and vascular smooth muscle cells. In general, antidiabetic drugs decrease the uptake of oxLDL by vascular cells and reduce subsequent inflammatory signaling, which prevents macrophage adhesion and infiltration. Moreover, these agents suppress the oxLDL-induced transformation of macrophages into foam cells by either inhibiting oxLDL entrance, or by facilitating its efflux. Thus, the anti-inflammatory, anti-oxidant, and anti-apoptotic properties of antidiabetic agents abrogate changes induced by oxLDL, which can be extremely beneficial in controlling atherosclerosis in diabetic patients.
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Affiliation(s)
- Ali Ahmadi
- Pharmacotherapy Department, Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Yunes Panahi
- Pharmacotherapy Department, Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran.
| | - Thomas P Johnston
- Division of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Missouri-Kansas City, Kansas City, Missouri, USA
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; School of Medicine, The University of Western Asutralia, Perth, Australia; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad 9177948567, Iran.
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Ri M, Nunobe S, Ida S, Ishizuka N, Atsumi S, Hayami M, Makuuchi R, Kumagai K, Ohashi M, Sano T. Postprandial Asymptomatic Glycemic Fluctuations after Gastrectomy for Gastric Cancer Using Continuous Glucose Monitoring Device. J Gastric Cancer 2021; 21:325-334. [PMID: 35079436 PMCID: PMC8753281 DOI: 10.5230/jgc.2021.21.e31] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/26/2021] [Accepted: 09/26/2021] [Indexed: 12/09/2022] Open
Abstract
Purpose Although dumping symptoms are thought to involve postprandial glycemic changes, postprandial glycemic variability without dumping symptoms remains poorly understood due to the lack of a method that allows the easy and continuous measurement of blood glucose levels. Materials and Methods Patients having undergone distal gastrectomy with Billroth-I (DG-BI) or Roux-en-Y reconstruction (DG-RY), total gastrectomy with RY (TG-RY) and pylorus preserving gastrectomy (PPG) for gastric cancer 3 months to 3 years prior, diagnosed as pathological stage I or II, were prospectively enrolled from March 2018 to January 2020. The interstitial tissue glycemic levels were measured every 15 min, up to 14 days by continuous glucose monitoring. Moreover, using a diary recording the diet and symptoms, asymptomatic glucose profiles without sugar supplementation within 3 h postprandially were compared among the four procedures. Results A total of 40 patients were enrolled, 10 patients for each of the four procedures. There were 47 glucose profiles with DG-BI, 46 profiles with DG-RY, 38 profiles with TG-RY, and 46 profiles with PPG. PPG showed the slowest increase with a subsequent gradual decrease in glucose fluctuations, without hyperglycemia or hypoglycemia, among the four procedures. In contrast, TG-RY and DG-RY showed spike-like glycemic variability, sharp rises during meals, and rapid drops. The glucose profiles of DG-BI were milder than those of RY. Conclusions The asymptomatic glycemic changes after meals differ among the types of surgical procedures for gastric cancer. Given the mild glycemic fluctuations in PPG and the glucose spikes in TG-RY and DG-RY, pylorus preservation and physiological reconstruction without changes in food pathways may optimize postprandial glucose profiles after gastrectomy.
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Affiliation(s)
- Motonari Ri
- Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Souya Nunobe
- Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Satoshi Ida
- Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Naoki Ishizuka
- Department of Clinical Trial Planning and Management, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Shinichiro Atsumi
- Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Masaru Hayami
- Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Rie Makuuchi
- Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Koshi Kumagai
- Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Manabu Ohashi
- Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Takeshi Sano
- Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
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