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Amiri N, Karami K, Valizadeh F, Mokhayeri Y. The effect of exercise on sleep habits of children with type 1 diabetic: a randomized clinical trial. BMC Pediatr 2024; 24:283. [PMID: 38678194 PMCID: PMC11055292 DOI: 10.1186/s12887-024-04760-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 04/12/2024] [Indexed: 04/29/2024] Open
Abstract
BACKGROUND Adequate sleep and exercise are important components of the human lifestyle. Paying attention to these two factors is very important to improve the condition of children with type 1 diabetes. Therefore, this study aimed to investigate the effect of exercise on sleep habits in children with type 1 diabetes. MATERIAL & METHODS 62 children with type 1 diabetes participated in this clinical trial. They will be divided into the intervention group (31) and the control group (31). Sleep habits were measured using the Children's Sleep Habits Questionnaire (CSHQ). All children's parents completed the CSHQ. The intervention for the experimental group consisted of 8 weeks of regular exercise program. The exercise program was prepared as an educational video and provided to parents. Paired sample t-test and ANCOVA test were used with SPSS 23. RESULTS 62 children with an average age of 9.32 ± 2.02 were studied. Fifty-four and eight% of the children were girls and the rest were boys. The analysis of the variance test showed a significant difference (F = 144.72, P ≤ 0.01) between the average score of the sleep habits of the control group (62.45 ± 5.12) and the experimental group (47.06 ± 4.39). CONCLUSION Sleep habits in the experimental group improved after 8 weeks of exercise training using educational videos. Exercise as a non-pharmacological treatment is an effective way to manage diabetes and improve sleep quality in diabetic children.
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Affiliation(s)
- Nastaran Amiri
- Department of Pediatrics Nursing, School of Nursing and Midwifery, Lorestan University of Medical Sciences, Khorramabad, Iran.
| | - Kimia Karami
- Social Determinants of Health Research Center, School of Nursing and Midwifery, Lorestan University of Medical Sciences, Khorramabad, Iran.
| | - Fatemeh Valizadeh
- Razi Herbal Medicines Research Center, Department of Pediatrics Nursing, School of Nursing and Midwifery, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Yaser Mokhayeri
- Cardiovascular Research Center, Shahid Rahimi Hospital, Lorestan University of Medical Sciences, Khorramabad, Iran
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Reid LA, Geraci M, Mendoza JA, Merchant AT, Reboussin BA, Pate RR, Dolan LM, Sauder KA, Lustigova E, Kim G, Liese AD. Household Food Insecurity Is Associated With Physical Activity in Youth and Young Adults With Diabetes: A Cross-Sectional Study. J Phys Act Health 2024; 21:77-84. [PMID: 37922896 DOI: 10.1123/jpah.2022-0338] [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: 06/22/2022] [Revised: 07/13/2023] [Accepted: 09/16/2023] [Indexed: 11/07/2023]
Abstract
BACKGROUND Physical activity (PA) is essential for optimal diabetes management. Household food insecurity (HFI) may negatively affect diabetes management behaviors. The purpose of this study was to cross-sectionally examine the association between HFI and PA in youth and young adults (YYA) with type 1 (N = 1998) and type 2 (N = 391) diabetes from the SEARCH for Diabetes in Youth Study. METHODS HFI was measured with the US Household Food Security Survey Module. PA was measured with the International Physical Activity Questionnaire Short Form. Walking, moderate-intensity PA (excluding walking), vigorous-intensity PA, moderate- to vigorous-intensity PA, and total PA were estimated as minutes per week, while time spent sitting was assessed in minutes per day. All were modeled with median regression. Meeting PA guidelines or not was modeled using logistic regression. RESULTS YYA with type 1 diabetes who experienced HFI spent more time walking than those who were food secure. YYA with type 2 diabetes who experienced HFI spent more time sitting than those who were food secure. CONCLUSIONS Future research should examine walking for leisure versus other domains of walking in relation to HFI and use objective PA measures to corroborate associations between HFI and PA in YYA with diabetes.
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Affiliation(s)
- Lauren A Reid
- South College, Atlanta, GA, USA
- University of South Carolina, Columbia, SC, USA
| | - Marco Geraci
- University of South Carolina, Columbia, SC, USA
- Sapienza University of Rome, Rome, Italy
| | - Jason A Mendoza
- Fred Hutchinson Cancer Center, Seattle, WA, USA
- Seattle Children's Research Institute, Seattle, WA, USA
| | | | | | | | | | | | - Eva Lustigova
- Kaiser Permanente Southern California, Pasadena, CA, USA
| | - Grace Kim
- University of Washington School of Medicine, Seattle, WA, USA
| | - Angela D Liese
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
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Giblin S, Scully P, Dalton N, Connolly M, McCaffrey A, Sheikhi A, Neylon O, O'Gorman C. Parent and child perceptions of physical activity with type 1 diabetes. BMJ Open Diabetes Res Care 2022; 10:10/6/e002977. [PMID: 36414272 PMCID: PMC9685260 DOI: 10.1136/bmjdrc-2022-002977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 10/01/2022] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION Type 1 diabetes (T1D) is a lifelong illness that affects over 2500 children in Ireland. Management involves complex daily regimens including frequent blood glucose monitoring, pharmacotherapy, dietary management, and physical activity (PA). PA is an important modifiable lifestyle factor. Unfortunately, children with T1D remain physically inactive. Children with T1D face disease-specific barriers and facilitators to PA engagement. All aspects of T1D management for children are supported or supervised by parents. Thus, the purpose of this study was to examine parents' and children's perceptions of barriers and facilitators to PA engagement. RESEARCH DESIGN AND METHODS 43 parent and child dyads participated. Parents completed a self-report survey. Children completed a modified version of the Physical Activity Questionnaire for Children (PAQ-C) that explored habitual PA patterns, perceived facilitators and barriers to PA engagement. RESULTS 21 females, 22 males and their parents (36 mothers, 7 fathers) participated. 69% of males and 90% of females reported that having diabetes did affect their PA participation. 54% of males and 48% of females were insufficiently active based on their total PAQ-C score (<2.9 and <2.7). 53% of parents reported that their children participated in school physical education. 21% of parents reported that their child did not participate in PA outside of the school setting. 23% of parents reported that they did not feel comfortable with their child participating in strenuous PA. A further 30% of parents reported that they only felt comfortable with their child participating in strenuous PA if supervised. 66% of parents reported their child should be more physically active. 83% of parents reported that having T1D did impact their child's PA level. CONCLUSIONS This study demonstrates the potential influence of parents' perceptions on PA engagement in children with T1D. Additional education is needed to support the promotion of PA for children with T1D.
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Affiliation(s)
- Susan Giblin
- School of Medicine, University of Limerick, Limerick, Ireland
- Department of Paediatrics, University Hospital Limerick, Limerick, Ireland
| | - Paul Scully
- Department of Paediatrics, University Hospital Limerick, Limerick, Ireland
| | - Niall Dalton
- Department of Paediatric Medicine, University Hospital Limerick, Limerick, Ireland
| | - Muiriosa Connolly
- Department of Paediatric Medicine, University Hospital Limerick, Limerick, Ireland
| | - Alison McCaffrey
- Department of Paediatrics, University Hospital Limerick, Limerick, Ireland
| | - Ali Sheikhi
- School of Medicine, University of Limerick, Limerick, Ireland
| | - Orla Neylon
- Department of Paediatric Medicine, University Hospital Limerick, Limerick, Ireland
| | - Clodagh O'Gorman
- Department of Paediatric Medicine, University Hospital Limerick, Limerick, Ireland
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Shorey S, Ng ED, Law EC, Wong JCM, Loke KY, Tam WWS. Physical Activity and Nutrition Interventions for Type 1 Diabetes: A Meta-analysis. Pediatrics 2022; 150:188758. [PMID: 35953465 DOI: 10.1542/peds.2022-056540] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/23/2022] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Current evidence is lacking on physical activity and nutrition-based interventions focusing on the management of type 1 diabetes mellitus (T1DM) and health-related quality of life among children. To assess the effects of physical activity interventions and nutrition-based interventions for children with T1DM. METHODS Data sources include the Cochrane Central Register of Controlled Trials, Medline, clinicaltrials.gov, the World Health Organization International Clinical Trials Registry Platform, CINAHL through January 2022. Study selection includes randomized controlled trials of children aged 18 years and below with T1DM comparing either a physical activity intervention, a nutrition-based intervention, or hybrid physical activity and nutrition-based intervention with placebo or no-treatment control. Data were pooled using a random-effects model. Primary outcomes were hemoglobin A1c (HbA1c), and health-related quality of life. RESULTS Eighteen trials were included. Physical activity compared with the no-treatment group showed a lack of effect on HbA1c (mean difference = -0.58, 95% confidence interval -1.20 to 0.05; P value = .07). Nutrition-based intervention compared with no-treatment control for HbA1c level revealed a lack of effect (mean difference = -0.61, 95% confidence interval -1.48 to 0.26; P value = .17). Limitations include paucity of studies and low quality of evidence caused by the risk of bias. CONCLUSIONS Despite the lack of significant evidence, the generally favorable results highlight the potential of such interventions in enhancing glycemic control and health-related quality of life. Additionally, promising results from a single physical activity-nutrition-based hybrid intervention in terms of glycemic control indicate the plausible effectiveness of a mixed intervention.
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Affiliation(s)
- Shefaly Shorey
- Alice Lee Center for Nursing Studies.,National University Health System, Singapore
| | | | - Evelyn C Law
- Departments of Pediatrics.,National University Health System, Singapore.,Translational Neuroscience Program, Agency for Science, Technology, and Research, Singapore Institute for Clinical Sciences, Singapore
| | - John C M Wong
- Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
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Shorey S, Ng ED, Law EC, Wong JCM, Loke KY, Tam WWS. Physical activity interventions and nutrition-based interventions for children and adolescents with type 1 diabetes mellitus. Hippokratia 2021. [DOI: 10.1002/14651858.cd013858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Shefaly Shorey
- Alice Lee Center for Nursing Studies, Yong Loo Lin School of Medicine; National University of Singapore, National University Health System; Singapore Singapore
| | - Esperanza Debby Ng
- Alice Lee Center for Nursing Studies, Yong Loo Lin School of Medicine; National University of Singapore, National University Health System; Singapore Singapore
| | - Evelyn C Law
- Paediatrics, Yong Loo Lin School of Medicine; National University of Singapore, National University Health System; Singapore Singapore
- Translational Neuroscience Programme; Agency for Science, Technology and Research Singapore Institute for Clinical Sciences; Singapore Singapore
| | - John CM Wong
- Department of Psychological Medicine; Yong Loo Lin School of Medicine, National University of Singapore; Singapore Singapore
| | - Kah Yin Loke
- Paediatrics, Yong Loo Lin School of Medicine; National University of Singapore, National University Health System; Singapore Singapore
| | - Wilson Wai San Tam
- Alice Lee Center for Nursing Studies, Yong Loo Lin School of Medicine; National University of Singapore, National University Health System; Singapore Singapore
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Absil H, Baudet L, Robert A, Lysy PA. Benefits of physical activity in children and adolescents with type 1 diabetes: A systematic review. Diabetes Res Clin Pract 2019; 156:107810. [PMID: 31401153 DOI: 10.1016/j.diabres.2019.107810] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 08/06/2019] [Indexed: 12/27/2022]
Abstract
AIMS We performed a systematic review of clinical trials investigating the health benefits of physical activity in pediatric patients with type 1 diabetes. METHODS To perform this systematic review, search strategies were created and adapted to four databases. Only randomized controlled trials written in English before 1998 and that answered to the PICOS criteria were included. The PRISMA guidelines were followed to ensure highest scientific rigor within studies. RESULTS Seven studies out of 2655 were included in this systematic review according to the inclusion criteria. These studies showed positive gains on global health: blood lipid profile, physical fitness, quality of life and body size and body composition but only one demonstrated a positive effect on glycemic control. CONCLUSION Globally, physical activity exerts a positive impact on metabolic (i.e., decrease in total cholesterol, improvement of physical fitness, etc.) and psychological health in children with type 1 diabetes. Yet variations in study protocols or sample size restrict statistical power to reach the outcome of improving glycemic control in most studies. Here, we address the measured outcomes in individual trials and discuss potential key elements to consider for future clinical trials.
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Affiliation(s)
- Hélène Absil
- Unité d'Endocrinologie Pédiatrique, Cliniques universitaires Saint Luc, Belgium
| | - Lia Baudet
- Unité d'Endocrinologie Pédiatrique, Cliniques universitaires Saint Luc, Belgium
| | | | - Philippe A Lysy
- Unité d'Endocrinologie Pédiatrique, Cliniques universitaires Saint Luc, Belgium; Pôle PEDI, Institut de Recherche Expérimentale et Clinique, UCLouvain, Av. Hippocrate 10, B-1200 Brussels, Belgium.
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Czenczek-Lewandowska E, Leszczak J, Baran J, Weres A, Wyszyńska J, Lewandowski B, Dąbrowski M, Mazur A. Levels of Physical Activity in Children and Adolescents with Type 1 Diabetes in Relation to the Healthy Comparators and to the Method of Insulin Therapy Used. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16183498. [PMID: 31546871 PMCID: PMC6766014 DOI: 10.3390/ijerph16183498] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 09/17/2019] [Accepted: 09/18/2019] [Indexed: 02/07/2023]
Abstract
Given the fact that physical exertion leads to blood glucose fluctuations, type one diabetes mellitus (T1D) may potentially constitute a barrier for obtaining a sufficient amount of exercise. The main purpose of the study was to compare the level of physical activity between children with T1D (n = 215) and healthy controls (n = 115) and to assess the physical activity of the study group in relation to the applied method of insulin therapy, i.e., the use of insulin pen vs. insulin pump. The level of physical activity was assessed with a hip-worn tri-axial accelerometer (ActiGraph GT3X+) used by the subjects for an uninterrupted period of seven days. Children with T1D had significantly lower median values of total time of moderate (213.3 vs. 272.1 min), vigorous (135.3 vs. 19.6 min) and moderate-to-vigorous (347.4 vs. 467.4 min) physical activity compared to healthy peers respectively, (p < 0.001) in all cases. In addition, the total median number of steps was significantly lower (53,631 vs. 67,542 steps), (p < 0.001). The method of insulin therapy was not associated with significant differences in physical activity level (p > 0.001). The level of physical activity in children and adolescents with T1D is lower than in their healthy peers and does not depend on the insulin therapy method.
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Affiliation(s)
- Ewelina Czenczek-Lewandowska
- Faculty of Medicine, University of Rzeszów, 35-959 Rzeszów, Poland; (J.L.); (J.B.); (A.W.); (B.L.); (M.D.); (A.M.)
- Correspondence: ; Tel.: +48-17-872-1153
| | - Justyna Leszczak
- Faculty of Medicine, University of Rzeszów, 35-959 Rzeszów, Poland; (J.L.); (J.B.); (A.W.); (B.L.); (M.D.); (A.M.)
| | - Joanna Baran
- Faculty of Medicine, University of Rzeszów, 35-959 Rzeszów, Poland; (J.L.); (J.B.); (A.W.); (B.L.); (M.D.); (A.M.)
| | - Aneta Weres
- Faculty of Medicine, University of Rzeszów, 35-959 Rzeszów, Poland; (J.L.); (J.B.); (A.W.); (B.L.); (M.D.); (A.M.)
| | - Justyna Wyszyńska
- Faculty of Medicine, University of Rzeszów, 35-959 Rzeszów, Poland; (J.L.); (J.B.); (A.W.); (B.L.); (M.D.); (A.M.)
| | - Bogumił Lewandowski
- Faculty of Medicine, University of Rzeszów, 35-959 Rzeszów, Poland; (J.L.); (J.B.); (A.W.); (B.L.); (M.D.); (A.M.)
| | - Mariusz Dąbrowski
- Faculty of Medicine, University of Rzeszów, 35-959 Rzeszów, Poland; (J.L.); (J.B.); (A.W.); (B.L.); (M.D.); (A.M.)
| | - Artur Mazur
- Faculty of Medicine, University of Rzeszów, 35-959 Rzeszów, Poland; (J.L.); (J.B.); (A.W.); (B.L.); (M.D.); (A.M.)
- Clinical Regional Hospital No. 2 in Rzeszów, Lwowska Street 60, 35-301 Rzeszów, Poland
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Li Z, Hu Y, Yan R, Li H, Zhang D, Li F, Su X, Ma J. Twenty Minute Moderate-Intensity Post-Dinner Exercise Reduces the Postprandial Glucose Response in Chinese Patients with Type 2 Diabetes. Med Sci Monit 2018; 24:7170-7177. [PMID: 30295296 PMCID: PMC6190726 DOI: 10.12659/msm.910827] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Postprandial hyperglycemia and glycemic fluctuations are significant cardiovascular disease risk factors for patients with type 2 diabetes. We investigated the effects of a single session of post-dinner moderate-intensity exercise on the postprandial glycemic response compared with a non-exercise condition in a study population of Chinese patients with type 2 diabetes. MATERIAL AND METHODS This randomized crossover self-controlled pilot study involved 29 patients with type 2 diabetes who participated in post-dinner exercise days using non-exercise days as a control. The interstitial glucose level was monitored using a continuous glucose monitoring system, with a standardized diet and medication. For the non-exercise control days, patients pursued normal daily activities but refrained from unusual strenuous physical activity. On the exercise days, participants walked on a treadmill for 20 minutes after dinner, with a heart rate reserve of 40%. RESULTS Post-dinner moderate-intensity exercise reduced the 2-hour postprandial glucose spike, mean glucose level, and peak glucose level compared to the control condition. The cumulative glucose total area under the curve during 1-hour post-exercise was lower with exercise than under the control condition. The 12-hour standard deviation of blood glucose and the coefficient variation of glucose were significantly lower in the with exercise day compared to the control day, although the 12-hour mean amplitude of glycemic fluctuations did not reach statistical significance. No nocturnal hypoglycemia subsequently occurred on the exercise day. CONCLUSIONS A short session of moderate-intensity post-dinner exercise can improve postprandial hyperglycemia and glycemic excursions in Chinese patients with type 2 diabetes, with no potential hypoglycemia risk at a later period.
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Affiliation(s)
- Zheng Li
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Yun Hu
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Rengna Yan
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Huiqin Li
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Danfeng Zhang
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China (mainland)
| | - Fengfei Li
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Xiaofei Su
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Jianhua Ma
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
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Li Z, Hu Y, Ma J. [Effect of moderate exercise for 30 min at 30 min versus 60 min after dinner on glycemic control in patients with type 2 diabetes: a randomized, crossover, self-controlled study]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2018; 38:1165-1170. [PMID: 30377118 DOI: 10.3969/j.issn.1673-4254.2018.10.03] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
OBJECTIVE To compare the effectiveness of moderate exercise for 30 min at 30 min and 60 min after dinner on glycemic control in patients with type 2 diabetes. METHODS This randomized, crossover, self-controlled pilot study was conducted in 15 inactive patients with type 2 diabetes without serious complications or use of exogenous insulin. The participants completed two randomly ordered exercise protocols (brisk walking for 30 min at 30 min or 60 min after dinner on the exercise day) spaced 1 week apart. All the exercise was performed while maintaining a heart rate reserve of 40%. The interstitial glucose level was monitored using a continuous glucose monitor (CGM) for all the participants, who maintained a standardized diet with routine medications. The 2-h postprandial mean glucose, peak glucose, and glucose area under the curve (AUC) were measured. The mean amplitude of glycemic excursions (MAGE) and other plasma glucose fluctuation parameters in 12 h after dinner, including the mean blood glucose (MBG) and the coefficient variation (CV) of glucose, were also calculated. The incidence of nocturnal hypoglycemia was recorded in all the participants. RESULTS The participants had a mean age of 46±11 years with a mean BMI of 25.8±3.1 kg/m2 and a mean HbA1c of 7.7%. No significant differences were found between postprandial 30 min exercise group and postprandial 60 min exercise group in terms of 2-h postprandial mean glucose, peak glucose, glucose AUC, or in MBG, CV and MAGE during the 12-h period after dinner. No nocturnal hypoglycemia occurred in the participants after exercise at 30 or 60 min after dinner. However, significant reductions in the 2-h postprandial glucose levels were detected after exercise at 60 min after dinner as compared to exercise at 30 min. CONCLUSIONS The timing (30 min vs 60 min after dinner) of moderate exercises for 30 min does not produce significant difference in the improvement of postprandial hyperglycemia in type 2 diabetic patients, and both exercise protocols are safe without a potential risk of hypoglycemia. Nevertheless, exercise at 60 min after dinner can be more effective to lower 2-h postprandial glucose, while exercise at 30 min after dinner might be safer for patients with a high risk of hypoglycemia.
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Affiliation(s)
- Zheng Li
- Department of Endocrinology, Yancheng First People's Hospital, Yancheng, China, 224005.,The Third Clinical Medical College of Nanjing Medical University, Nanjing, China, 210006
| | - Yun Hu
- Department of Endocrinology, The Affiliated Nanjing Hospital of Nanjing Medical University, Nanjing, China, 210012
| | - Jianhua Ma
- Department of Endocrinology, The Affiliated Nanjing Hospital of Nanjing Medical University, Nanjing, China, 210012
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Duda-Sobczak A, Falkowski B, Araszkiewicz A, Zozulinska-Ziolkiewicz D. Association Between Self-reported Physical Activity and Skin Autofluorescence, a Marker of Tissue Accumulation of Advanced Glycation End Products in Adults With Type 1 Diabetes: A Cross-sectional Study. Clin Ther 2018; 40:872-880. [DOI: 10.1016/j.clinthera.2018.02.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 02/22/2018] [Indexed: 01/03/2023]
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Szokol M, Priksz D, Bombicz M, Varga B, Kovacs A, Fulop GA, Csipo T, Posa A, Toth A, Papp Z, Szilvassy Z, Juhasz B. Long Term Osmotic Mini Pump Treatment with Alpha-MSH Improves Myocardial Function in Zucker Diabetic Fatty Rats. Molecules 2017; 22:molecules22101702. [PMID: 29023410 PMCID: PMC6151765 DOI: 10.3390/molecules22101702] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 10/03/2017] [Indexed: 01/20/2023] Open
Abstract
The present investigation evaluates the cardiovascular effects of the anorexigenic mediator alpha-melanocyte stimulating hormone (MSH), in a rat model of type 2 diabetes. Osmotic mini pumps delivering MSH or vehicle, for 6 weeks, were surgically implanted in Zucker Diabetic Fatty (ZDF) rats. Serum parameters, blood pressure, and weight gain were monitored along with oral glucose tolerance (OGTT). Echocardiography was conducted and, following sacrifice, the effects of treatment on ischemia/reperfusion cardiac injury were assessed using the isolated working heart method. Nicotinamide adenine dinucleotide phosphate (NADPH) oxidase activity was measured to evaluate levels of oxidative stress, and force measurements were performed on isolated cardiomyocytes to determine calcium sensitivity, active tension and myofilament co-operation. Vascular status was also evaluated on isolated arterioles using a contractile force measurement setup. The echocardiographic parameters ejection fraction (EF), fractional shortening (FS), isovolumetric relaxation time (IVRT), mitral annular plane systolic excursion (MAPSE), and Tei-index were significantly better in the MSH-treated group compared to ZDF controls. Isolated working heart aortic and coronary flow was increased in treated rats, and higher Hill coefficient indicated better myofilament co-operation in the MSH-treated group. We conclude that MSH improves global heart functions in ZDF rats, but these effects are not related to the vascular status.
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Affiliation(s)
- Miklos Szokol
- Department of Cardiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary.
| | - Daniel Priksz
- Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary.
| | - Mariann Bombicz
- Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary.
| | - Balazs Varga
- Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary.
| | - Arpad Kovacs
- Division of Clinical Physiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary.
| | - Gabor Aron Fulop
- Division of Clinical Physiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary.
| | - Tamas Csipo
- Division of Clinical Physiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary.
| | - Aniko Posa
- Department of Physiology, Anatomy and Neuroscience, Faculty of Science and Informatics, University of Szeged, H-6720 Szeged, Hungary.
| | - Attila Toth
- Division of Clinical Physiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary.
| | - Zoltan Papp
- Division of Clinical Physiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary.
| | - Zoltan Szilvassy
- Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary.
| | - Bela Juhasz
- Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary.
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