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Sher EK, Prnjavorac B, Farhat EK, Palić B, Ansar S, Sher F. Effect of Diabetic Neuropathy on Reparative Ability and Immune Response System. Mol Biotechnol 2023:10.1007/s12033-023-00813-z. [PMID: 37523019 DOI: 10.1007/s12033-023-00813-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 06/23/2023] [Indexed: 08/01/2023]
Abstract
The effects of diabetes can be divided into short, medium and long term and various human organ systems can be effected. The present study aimed to determine how much the duration of diabetes mellitus (DM) affect the reparative ability of the body, immune response and the development of DM complications. Interleukin 1-β (IL-1β) and Interleukin 6 (IL-6) were monitored as specific indicators of inflammatory reaction and C-reactive protein (CRP), leukocyte count (WBC) and sedimentation rate (ESR) as general markers of inflammatory reaction. Tumour necrosis factor α (TNF-α) and transforming growth factor β1 (TGF-β1) were observed as indicators of reparative ability and polyneuropathy. All interleukins were determined by ELISA and evaluated spectrophotometrically. Michigan Neuropathy Screening Instrument (MNSI) is performed for neuropathy examination. Patients with diabetes mellitus were divided into 3 groups, according to duration of diabetes mellitus. IL-6 levels correlated with clinical stage of diabetic polyneuropathy at p = 0.025 R = 0.402; with CRP at p = 0.0001, R = 0.784 as well as correlation of CRP and MNSI score (R = 0.500, p = 0.034) in a group of patients with DM lasting up to 10 years. The reparative ability of the body is reduced by physiological age and ages of DM duration. The immune response is weakened in DM additionally. The dual activity of cytokines IL-6 and TGF-β1 is present in long-duration Diabetes Mellitus.
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Affiliation(s)
- Emina Karahmet Sher
- Department of Biosciences, School of Science and Technology, Nottingham Trent University, Nottingham, NG11 8NS, UK.
| | - Besim Prnjavorac
- Department of Pathophysiology, Faculty of Pharmacy, University of Sarajevo, Sarajevo, 71000, Bosnia and Herzegovina
| | - Esma Karahmet Farhat
- Department of Food and Nutrition Research, Faculty of Food Technology, University of Osijek Juraj Strossmayer, Osijek, 31000, Croatia
- International Society of Engineering Science and Technology, Nottingham, UK
| | - Benjamin Palić
- Department of Internal Medicine, University Clinical Hospital Mostar, Mostar, 88000, Bosnia and Herzegovina
| | - Sabah Ansar
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh, 11433, Saudi Arabia
| | - Farooq Sher
- Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham, NG11 8NS, UK.
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de Melo TR, de Souza KSC, Ururahy MAG, Bortolin RH, Bezerra JF, de Oliveira Galvão MF, Hirata RDC, Hirata MH, Arrais RF, Almeida MDG, de Rezende AA, Silbiger VN. Toll-like receptor inflammatory cascade and the development of diabetic kidney disease in children and adolescents with type 1 diabetes. J Paediatr Child Health 2022; 58:996-1000. [PMID: 35006634 DOI: 10.1111/jpc.15884] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 12/22/2021] [Accepted: 12/23/2021] [Indexed: 12/16/2022]
Abstract
AIM This study aimed to evaluate the association of toll-like receptor (TLR) inflammatory cascade with the development of diabetic kidney disease (DKD) in children and adolescents with type 1 diabetes (T1D). METHODS A total of 49 T1D patients and 49 normoglycaemic (NG) subjects aged 5-20 years old were recruited. TLR2, TLR4, MYD88, NFKB, MCP1/CCL2 and IL18 mRNA expressions were measured in peripheral blood mononuclear cells by reverse transcription-quantitative polymerase chain reaction. Fasting glucose, glycated haemoglobin, serum urea, serum creatinine and urinary albumin-to-creatinine ratio (ACR) were determined. RESULTS The mRNA expressions of TLR2, TLR4, MYD88 and NFKB were significantly increased in the T1D group compared with the NG group. The mRNA expression levels of MCP1/CCL2 and IL18 were higher in 21 T1D patients (42.9%) (average of MCP1/CCL2: 6.6-fold and IL18: 5.8-fold) than in NG patients. Furthermore, ACR was increased in the T1D group compared with the NG group. CONCLUSION The increased mRNA expression of TLR2, TLR4, MYD88, NFKB, MCP1/CCL2 and IL18 favours the development of an inflammatory process that may lead to a decline in renal function and consequently DKD in children and adolescents with T1D. This suggests that these genes are early mediators of onset DKD since the beginning of the lives of the paediatric T1D patients.
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Affiliation(s)
- Thamara R de Melo
- Department of Clinical and Toxicological Analysis, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Karla S C de Souza
- Department of Clinical and Toxicological Analysis, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Marcela A G Ururahy
- Department of Clinical and Toxicological Analysis, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Raul H Bortolin
- Department of Clinical and Toxicological Analysis, University of São Paulo, São Paulo, Brazil
| | - João F Bezerra
- Department of Clinical and Toxicological Analysis, Federal University of Rio Grande do Norte, Natal, Brazil.,Technical School of Health, Paraiba Federal University, João Pessoa, Brazil
| | | | - Rosario D C Hirata
- Department of Clinical and Toxicological Analysis, University of São Paulo, São Paulo, Brazil
| | - Mario H Hirata
- Department of Clinical and Toxicological Analysis, University of São Paulo, São Paulo, Brazil
| | - Ricardo F Arrais
- Department of Pediatrics, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Maria das Graças Almeida
- Department of Clinical and Toxicological Analysis, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Adriana A de Rezende
- Department of Clinical and Toxicological Analysis, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Vivian N Silbiger
- Department of Clinical and Toxicological Analysis, Federal University of Rio Grande do Norte, Natal, Brazil
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Brunetti G, D'Amato G, De Santis S, Grano M, Faienza MF. Mechanisms of altered bone remodeling in children with type 1 diabetes. World J Diabetes 2021; 12:997-1009. [PMID: 34326950 PMCID: PMC8311475 DOI: 10.4239/wjd.v12.i7.997] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/17/2021] [Accepted: 05/22/2021] [Indexed: 02/06/2023] Open
Abstract
Bone loss associated with type 1 diabetes mellitus (T1DM) begins at the onset of the disease, already in childhood, determining a lower bone mass peak and hence a greater risk of osteoporosis and fractures later in life. The mechanisms underlying diabetic bone fragility are not yet completely understood. Hyperglycemia and insulin deficiency can affect the bone cells functions, as well as the bone marrow fat, thus impairing the bone strength, geometry, and microarchitecture. Several factors, like insulin and growth hormone/insulin-like growth factor 1, can control bone marrow mesenchymal stem cell commitment, and the receptor activator of nuclear factor-κB ligand/osteoprotegerin and Wnt-b catenin pathways can impair bone turnover. Some myokines may have a key role in regulating metabolic control and improving bone mass in T1DM subjects. The aim of this review is to provide an overview of the current knowledge of the mechanisms underlying altered bone remodeling in children affected by T1DM.
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Affiliation(s)
- Giacomina Brunetti
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University "A. Moro" of Bari, Bari 70125, Italy
| | - Gabriele D'Amato
- Department of Women’s and Children’s Health, ASL Bari, Neonatal Intensive Care Unit, Di Venere Hospital, Bari 70124, Italy
| | - Stefania De Santis
- Department of Pharmacy-Drug Science, University of Bari Aldo Moro, Bari 70126, Italy
| | - Maria Grano
- Department of Emergency and Organ Transplantation, Univ Bari, Bari 70124, Italy
| | - Maria Felicia Faienza
- Department of Biomedical Sciences and Human Oncology, Pediatric Unit, University "A.Moro", Bari 70124, Italy
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Zhu Q, Xu J, Zhou M, Lian X, Xu J, Shi J. Association between type 1 diabetes mellitus and reduced bone mineral density in children: a meta-analysis. Osteoporos Int 2021; 32:1143-1152. [PMID: 33404757 DOI: 10.1007/s00198-020-05715-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 10/23/2020] [Indexed: 12/16/2022]
Abstract
UNLABELLED In this meta-analysis, we analyzed 9 cross-sectional studies for an association between type 1 diabetes mellitus (T1DM) and bone mineral density (BMD) in children. We found that BMD Z-scores were significantly reduced in children with T1DM. INTRODUCTION Recent cross-sectional studies have examined how T1DM influences bone health in children and adolescents, but the relationship between T1DM and BMD remains unclear due to conflicting reports. METHODS In this meta-analysis, we systematically searched PubMed, Cochrane library, and Web of Science databases (for publications through March 12, 2020), and calculated weight mean difference (WMD) along with 95% confidence intervals (CI) using a random-effects model. Heterogeneity was evaluated using the I2 method. The Newcastle-Ottawa Scale was used to assess the quality of the included studies. RESULTS Data were analyzed from 9 eligible studies, including a total of 1522 children and adolescents. These data were tested for an association between T1DM and BMD. This analysis found a significant decrease in BMD Z-score in the whole body (pooled WMD, - 0.47, 95% CI, - 0.92 to - 0.02, I2 = 80.2%) and lumbar spine (pooled WMD, - 0.41, 95% CI, - 0.69 to - 0.12, I2 = 80.3%) in children and adolescents with T1DM, which was consistent in published studies from Asia and South America, but inconsistent in the North America and Europe. Importantly, the differences in BMD Z-scores were independent of age, level of glucose control (HbA1c), and prepubertal stage. Sensitivity analyses did not modify these findings. Funnel plot and the Egger test did not reveal significant publication bias. CONCLUSION This meta-analysis suggests that T1DM may play a role in decreasing BMD Z-scores in the whole body and lumbar spine in children.
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Affiliation(s)
- Q Zhu
- Department of Translational Medicine Platform, Affiliated Hospital of Hangzhou Normal University, No. 126 Wenzhou Road, Gongshu District, Zhejiang Province, 310000, Hangzhou, China
| | - J Xu
- Medical College of Hangzhou Normal University, No.2318 Yuhangtang Road, Yuhang District, Zhejiang Province, 311121, Hangzhou, China
| | - M Zhou
- Department of Neurology, Affiliated Hospital of Hangzhou Normal University, No. 126 Wenzhou Road, Gongshu District, Zhejiang Province, 310000, Hangzhou, China
| | - X Lian
- Metabolic Disease Center and Department of Orthopedics, Affiliated Hospital of Hangzhou Normal University, No. 126 Wenzhou Road, Gongshu District, Zhejiang Province, 310000, Hangzhou, China
| | - J Xu
- Department of Endocrinology, Xinqiao Hospital, Army Medical University, No. 83 Xinqiaozheng road, Shaping District, Chongqing, 400037, China.
| | - J Shi
- Department of Hepatology & Infectious Diseases, Affiliated Hospital of Hangzhou Normal University, No. 126 Wenzhou Road, Gongshu District, Zhejiang Province, 310000, Hangzhou, China.
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Wu Q, Hu Y. Systematic Evaluation of the Mechanisms of Mulberry Leaf (Morus alba Linne) Acting on Diabetes Based on Network Pharmacology and Molecular Docking. Comb Chem High Throughput Screen 2021; 24:668-682. [PMID: 32928080 DOI: 10.2174/1386207323666200914103719] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 07/20/2020] [Accepted: 07/22/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Diabetes mellitus is one of the most common endocrine metabolic disorder- related diseases. The application of herbal medicine to control glucose levels and improve insulin action might be a useful approach in the treatment of diabetes. Mulberry leaves (ML) have been reported to exert important activities of anti-diabetic. OBJECTIVE In this work, we aimed to explore the multi-targets and multi-pathways regulatory molecular mechanism of Mulberry leaves (ML, Morus alba Linne) acting on diabetes. METHODS Identification of active compounds of Mulberry leaves using Traditional Chinese Medicine Systems Pharmacology (TCMSP) database was carried out. Bioactive components were screened by FAF-Drugs4 website (Free ADME-Tox Filtering Tool). The targets of bioactive components were predicted from SwissTargetPrediction website, and the diabetes related targets were screened from GeneCards database. The common targets of ML and diabetes were used for Gene Ontology (GO) and pathway enrichment analysis. The visualization networks were constructed by Cytoscape 3.7.1 software. The biological networks were constructed to analyze the mechanisms as follows: (1) compound-target network; (2) common target-compound network; (3) common targets protein interaction network; (4) compound-diabetes protein-protein interactions (ppi) network; (5) target-pathway network; and (6) compound-target-pathway network. At last, the prediction results of network pharmacology were verified by molecular docking method. RESULTS 17 active components were obtained by TCMSP database and FAF-Drugs4 website. 51 potential targets (11 common targets and 40 associated indirect targets) were obtained and used to build the PPI network by the String database. Furthermore, the potential targets were used for GO and pathway enrichment analysis. Eight key active compounds (quercetin, Iristectorigenin A, 4- Prenylresveratrol, Moracin H, Moracin C, Isoramanone, Moracin E and Moracin D) and 8 key targets (AKT1, IGF1R, EIF2AK3, PPARG, AGTR1, PPARA, PTPN1 and PIK3R1) were obtained to play major roles in Mulberry leaf acting on diabetes. And the signal pathways involved in the mechanisms mainly include AMPK signaling pathway, PI3K-Akt signaling pathway, mTOR signaling pathway, insulin signaling pathway and insulin resistance. The molecular docking results show that the 8 key active compounds have good affinity with the key target of AKT1, and the 5 key targets (IGF1R, EIF2AK3, PPARG, PPARA and PTPN1) have better affinity than AKT1 with the key compound of quercetin. CONCLUSION Based on network pharmacology and molecular docking, this study provided an important systematic and visualized basis for further understanding of the synergy mechanism of ML acting on diabetes.
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Affiliation(s)
- Qiguo Wu
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yeqing Hu
- Department of Pharmacy, Anqing Medical College, Anqing 246052, China
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Bone regeneration in a mouse model of type 1 diabetes: Influence of sex, vitamin D3, and insulin. Life Sci 2020; 263:118593. [PMID: 33069738 DOI: 10.1016/j.lfs.2020.118593] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 10/01/2020] [Accepted: 10/07/2020] [Indexed: 02/06/2023]
Abstract
AIM This study set forth a question: are there any differences in bone responses to insulin and/or vitamin D3 treatment in female and male type 1 diabetic (T1D) mice? MAIN METHODS To address this issue, a non-critical sized femur defect was created in streptozotocin (STZ)-T1D mice. Control non-diabetic and T1D female and male mice received: saline; vitamin D3; insulin; or vitamin D3 plus insulin, for 21 days. KEY FINDINGS Female and male T1D mice showed impaired bone healing, as indicated by histological and micro-computed tomography (micro-CT) analysis. Vitamin D3 or insulin improved the bone regeneration in T1D mice, irrespective of sex. Vitamin D3 plus insulin did not exhibit any additional effects. There were no differences regarding the numbers of TRAP-stained osteoclasts in either evaluated groups. The osteoblast-related gene osterix was upregulated in vitamin D3-treated male T1D mice, as revealed by RT-qPCR. Female T1D mice treated with vitamin D3, insulin, or vitamin D3 plus insulin presented an increased expression of insulin growth factor-1 (IGF-1) mRNA. Conversely, IGF-1 mRNA levels were reduced by the same treatments in male TD1 mice. SIGNIFICANCE Altogether, the results suggested that T1D similarly delayed the osseous healing in female and male mice, with beneficial effects for either vitamin D3 or insulin in T1D mice of both sexes. However, data indicated marked sex differences regarding the expression of genes implicated in bone formation, in T1D mice treated with vitamin D3 and/or insulin.
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Fuusager G, Milandt N, Shanbhogue VV, Hermann AP, Schou AJ, Christesen HT. Lower estimated bone strength and impaired bone microarchitecture in children with type 1 diabetes. BMJ Open Diabetes Res Care 2020; 8:8/1/e001384. [PMID: 32816873 PMCID: PMC7437694 DOI: 10.1136/bmjdrc-2020-001384] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 05/30/2020] [Accepted: 06/06/2020] [Indexed: 12/20/2022] Open
Abstract
INTRODUCTION Patients with type 1 diabetes has an increased risk of fracture. We wished to evaluate estimated bone strength in children and adolescents with type 1 diabetes and assess peripheral bone geometry, volumetric bone mineral density (vBMD) and microarchitecture. RESEARCH DESIGN AND METHODS In a cross-sectional study, high-resolution peripheral quantitative CT (HR-pQCT) was performed of the radius and tibia in 84 children with type 1 diabetes and 55 healthy sibling controls. Estimated bone strength was assessed using a microfinite element analysis solver. Multivariate regression analyses were performed adjusting for age, sex, height and body mass index. RESULTS The median age was 13.0 years in the diabetes group vs 11.5 years in healthy sibling controls. The median (range) diabetes duration was 4.2 (0.4-15.9) years; median (range) latest year Hb1Ac was 7.8 (5.9-11.8) % (61.8 (41-106) mmol/mol). In adjusted analyses, patients with type 1 diabetes had reduced estimated bone strength in both radius, β -390.6 (-621.2 to -159.9) N, p=0.001, and tibia, β -891.9 (-1321 to -462.9) N, p<0.001. In the radius and tibia, children with type 1 diabetes had reduced cortical area, trabecular vBMD, trabecular number and trabecular bone volume fraction and increased trabecular inhomogeneity, adjusted p<0.05 for all. Latest year HbA1c was negatively correlated with bone microarchitecture (radius and tibia), trabecular vBMD and estimated bone strength (tibia). CONCLUSION Children with type 1 diabetes had reduced estimated bone strength. This reduced bone strength could partly be explained by reduced trabecular bone mineral density, adverse microarchitecture and reduced cortical area. We also found increasing latest year HbA1c to be associated with several adverse changes in bone parameters. HR-pQCT holds potential to identify early adverse bone changes and to explain the increased fracture risk in young patients with type 1 diabetes.
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Affiliation(s)
- Gitte Fuusager
- Clinical Research, Syddansk Universitet, Odense, Syddanmark, Denmark
- Department of Internal Medicine, Hospitalsenheden Vest, Herning, Denmark
- OPEN - Odense Patient data Explorative Network, Odense Universitets Hospital, Odense, Denmark
- Hans Christian Andersen Children's Hospital, Odense Universitetshospital, Odense, Denmark
| | - Nikolaj Milandt
- Clinical Research, Syddansk Universitet, Odense, Syddanmark, Denmark
- The Orthopedic Research Unit, Odense University Hospital, Odense, Denmark
| | | | | | - Anders Jørgen Schou
- Clinical Research, Syddansk Universitet, Odense, Syddanmark, Denmark
- Hans Christian Andersen Children's Hospital, Odense Universitetshospital, Odense, Denmark
- Steno Diabetes Center Odense, Odense University Hospital, Odense, Denmark
| | - Henrik Thybo Christesen
- Clinical Research, Syddansk Universitet, Odense, Syddanmark, Denmark
- Hans Christian Andersen Children's Hospital, Odense Universitetshospital, Odense, Denmark
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Sun X, Gao X, Deng Z, Zhang L, McGilvray K, Gadomski BC, Amra S, Bao G, Huard J. High bone microarchitecture, strength, and resistance to bone loss in MRL/MpJ mice correlates with activation of different signaling pathways and systemic factors. FASEB J 2019; 34:789-806. [PMID: 31914651 DOI: 10.1096/fj.201901229rr] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 10/30/2019] [Accepted: 11/02/2019] [Indexed: 12/27/2022]
Abstract
The MRL/MpJ mice have demonstrated an enhanced tissue regeneration capacity for various tissues. In the present study, we systematically characterized bone microarchitecture and found that MRL/MpJ mice exhibit higher bone microarchitecture and strength compared to both C57BL/10J and C57BL/6J WT mice at 2, 4, and 10 months of age. The higher bone mass in MRL/MpJ mice was correlated to increased osteoblasts, decreased osteoclasts, higher cell proliferation, and bone formation, and enhanced pSMAD5 signaling earlier during postnatal development (2-month old) in the spine trabecular bone, and lower bone resorption rate at later age. Furthermore, these mice exhibit accelerated fracture healing via enhanced pSMAD5, pAKT and p-P38MAPK pathways compared to control groups. Moreover, MRL/MpJ mice demonstrated resistance to ovariectomy-induced bone loss as evidenced by maintaining higher bone volume/tissue volume (BV/TV) and lower percentage of bone loss later after ovariectomy. The consistently higher serum IGF1 level and lower RANKL level in MRL/MpJ mice may contribute to the maintenance of high bone mass in uninjured and injured bone. In conclusion, our results indicate that enhanced pSMAD5, pAKT, and p-P38MAPK signaling, higher serum IGF-1, and lower RANKL level contribute to the higher bone microarchitecture and strength, accelerated healing, and resistance to osteoporosis in MRL/MpJ mice.
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Affiliation(s)
- Xuying Sun
- Department of Orthopaedic Surgery, The Brown Foundation Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas
| | - Xueqin Gao
- Department of Orthopaedic Surgery, The Brown Foundation Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas.,Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, Colorado
| | - Zhenhan Deng
- Department of Orthopaedic Surgery, The Brown Foundation Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas
| | - Linlin Zhang
- Department of Biomedical Engineering, Rice University, Houston, Texas
| | - Kirk McGilvray
- Orthopaedic Bioengineering Research Laboratory, Department of Mechanical Engineering and School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado
| | - Benjamin C Gadomski
- Orthopaedic Bioengineering Research Laboratory, Department of Mechanical Engineering and School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado
| | - Sarah Amra
- Department of Orthopaedic Surgery, The Brown Foundation Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas
| | - Gang Bao
- Department of Biomedical Engineering, Rice University, Houston, Texas
| | - Johnny Huard
- Department of Orthopaedic Surgery, The Brown Foundation Institute of Molecular Medicine, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas.,Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, Colorado
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McCarthy O, Moser O, Eckstein ML, Deere R, Bain SC, Pitt J, Bracken RM. Resistance Isn't Futile: The Physiological Basis of the Health Effects of Resistance Exercise in Individuals With Type 1 Diabetes. Front Endocrinol (Lausanne) 2019; 10:507. [PMID: 31428047 PMCID: PMC6688119 DOI: 10.3389/fendo.2019.00507] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Accepted: 07/11/2019] [Indexed: 12/12/2022] Open
Abstract
The importance of regular exercise for glucose management in individuals with type 1 diabetes is magnified by its acknowledgment as a key adjunct to insulin therapy by several governmental, charitable, and healthcare organisations. However, although actively encouraged, exercise participation rates remain low, with glycaemic disturbances and poor cardiorespiratory fitness cited as barriers to long-term involvement. These fears are perhaps exacerbated by uncertainty in how different forms of exercise can considerably alter several acute and chronic physiological outcomes in those with type 1 diabetes. Thus, understanding the bodily responses to specific forms of exercise is important for the provision of practical guidelines that aim to overcome these exercise barriers. Currently, the majority of existing exercise research in type 1 diabetes has focused on moderate intensity continuous protocols with less work exploring predominately non-oxidative exercise modalities like resistance exercise. This is surprising, considering the known neuro-muscular, osteopathic, metabolic, and vascular benefits associated with resistance exercise in the wider population. Considering that individuals with type 1 diabetes have an elevated susceptibility for complications within these physiological systems, the wider health benefits associated with resistance exercise may help alleviate the prevalence and/or magnitude of pathological manifestation in this population group. This review outlines the health benefits of resistance exercise with reference to evidence in aiding some of the common complications associated with individuals with type 1 diabetes.
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Affiliation(s)
- Olivia McCarthy
- Applied Sport, Technology, Exercise and Medicine Research Centre (A-STEM), College of Engineering, Swansea University, Swansea, United Kingdom
- Diabetes Research Group, Medical School, Swansea University, Swansea, United Kingdom
| | - Othmar Moser
- Applied Sport, Technology, Exercise and Medicine Research Centre (A-STEM), College of Engineering, Swansea University, Swansea, United Kingdom
- Cardiovascular Diabetology Research Group, Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Max L. Eckstein
- Applied Sport, Technology, Exercise and Medicine Research Centre (A-STEM), College of Engineering, Swansea University, Swansea, United Kingdom
- Cardiovascular Diabetology Research Group, Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Rachel Deere
- Applied Sport, Technology, Exercise and Medicine Research Centre (A-STEM), College of Engineering, Swansea University, Swansea, United Kingdom
- Diabetes Research Group, Medical School, Swansea University, Swansea, United Kingdom
| | - Steve C. Bain
- Diabetes Research Group, Medical School, Swansea University, Swansea, United Kingdom
| | - Jason Pitt
- Applied Sport, Technology, Exercise and Medicine Research Centre (A-STEM), College of Engineering, Swansea University, Swansea, United Kingdom
| | - Richard M. Bracken
- Applied Sport, Technology, Exercise and Medicine Research Centre (A-STEM), College of Engineering, Swansea University, Swansea, United Kingdom
- Diabetes Research Group, Medical School, Swansea University, Swansea, United Kingdom
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Fuusager GB, Christesen HT, Milandt N, Schou AJ. Glycemic control and bone mineral density in children and adolescents with type 1 diabetes. Pediatr Diabetes 2019; 20:629-636. [PMID: 31017353 DOI: 10.1111/pedi.12861] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 03/09/2019] [Accepted: 04/04/2019] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND/OBJECTIVE Fracture risk is increased in patients with type 1 diabetes. We aimed to evaluate bone mineral density (BMD) and to identify risk factors associated to lower BMD in Danish children and adolescents with type 1 diabetes. METHODS In this cross-sectional study BMD Z-score were determined by dual-energy X-ray absorptiometry (DXA) from a cohort of otherwise healthy children and adolescents with type 1 diabetes. Puberty Tanner stage, hemoglobin A1c (HbA1c), disease duration, and age at diabetes onset were investigated for associations to DXA results. RESULTS We included 85 patients, 39 girls, 46 boys, with a median (range) age of 13.2 (6-17) years; disease duration 4.2 (0.4-15.9) years; HbA1c of the last year 61.8 (41-106) mmol/mol. Our patients were taller and heavier than the background population. When adjusted for increased height SD and body mass index SD, no overall difference in BMD Z-score was found. When stratified by sex, boys had significantly increased adjusted mean BMD Z-score, 0.38 (95% confidence interval [CI]: 0.13;0.62), girls; -0.27 (95% CI: -0.53;0.00). For the whole cohort, a negative correlation between mean latest year HbA1c and BMD Z-score was found, adjusted ß -0.019 (95%CI: -0.034;-0.004, P = 0.01). Poor glycemic control (HbA1c > 58 mmol/mol [7.5%]) within the latest year was likewise negatively correlated with BMD Z-score, adjusted ß -0.35 (95%CI: -0.69;-0.014, P = 0.04). CONCLUSIONS Our study suggests that elevated blood glucose has a negative effect on the bones already before adulthood in patients with type 1 diabetes, although no signs of osteoporosis were identified by DXA.
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Affiliation(s)
- Gitte B Fuusager
- Hans Christian Andersen Children's Hospital, Odense University Hospital, Odense, Denmark.,Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark.,OPEN, Odense Patient data Explorative Network, Odense University Hospital, Odense, Denmark
| | - Henrik T Christesen
- Hans Christian Andersen Children's Hospital, Odense University Hospital, Odense, Denmark.,Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Nikolaj Milandt
- The Orthopedic Research Unit, Odense University Hospital, Odense, Denmark
| | - Anders J Schou
- Hans Christian Andersen Children's Hospital, Odense University Hospital, Odense, Denmark.,Steno Diabetes Center Odense, Odense University Hospital, Odense, Denmark
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11
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Souza KSCD, Gomes IDS, Oliveira YMDC, Loureiro MB, Silva HPVD, Melo TRD, Santos MGD, Bortolin RH, Maciel Neto JJ, Arrais RF, Almeida MDG, Ururahy MAG, Rezende AAD. Albuminuria and low bone mineral density in paediatric patients with type 1 diabetes. J Paediatr Child Health 2019; 55:411-415. [PMID: 30218466 DOI: 10.1111/jpc.14214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 07/08/2018] [Accepted: 08/09/2018] [Indexed: 12/15/2022]
Abstract
AIM To evaluate glycaemic control and its influence on albuminuria and bone mineral density (BMD) in children and adolescents with type 1 diabetes (T1D). METHODS We collectively assessed 84 T1D children/adolescents (T1D group), aged between 6 and 17 years, and then divided them into two groups according to their glycaemic profile (T1D with good glycaemic control (T1DG group) and T1D with poor glycaemic control (T1DP group)). Serum glucose, glycated haemoglobin, serum urea, serum creatinine, urinary albumin-to-creatinine ratio (ACR), estimated glomerular filtration rate and BMD levels were assessed. RESULTS Of the patients studied, 77% presented with poor glycaemic control. Patients with T1DP showed an increased ACR (P < 0.001) and a low BMD (P = 0.025) when compared to the T1DG group. In addition, five patients in the T1DP group presented with concomitant albuminuria and a low BMD for their chronological age. Significant negative correlations were identified between the ACR and glycated haemoglobin (r = 0.655, P < 0.001), BMD and glycated haemoglobin (r = -0.262, P = 0.047) and BMD and the ACR (r = -0.631, P = <0.001). In linear regression analysis, the ACR showed a negative effect on BMD (P = 0.044) in the T1D patient group. CONCLUSION Poor glycaemic control was correlated with albuminuria, suggestive of a negative effect on bone tissue, leading to a low BMD in children and adolescents with T1D.
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Affiliation(s)
- Karla S Costa de Souza
- Department of Clinical and Toxicological Analyses, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Iago de Souza Gomes
- Department of Clinical and Toxicological Analyses, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Yonara M da Costa Oliveira
- Department of Clinical and Toxicological Analyses, Federal University of Rio Grande do Norte, Natal, Brazil.,Education and Health Center, Federal University of Campina Grande, Cuité, Brazil
| | - Melina Bezerra Loureiro
- Department of Clinical and Toxicological Analyses, Federal University of Rio Grande do Norte, Natal, Brazil
| | | | - Thamara Rodrigues de Melo
- Department of Clinical and Toxicological Analyses, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Marcos Gonzaga Dos Santos
- Department of Clinical and Toxicological Analyses, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Raul Hernandes Bortolin
- Department of Clinical and Toxicological Analyses, Federal University of Rio Grande do Norte, Natal, Brazil
| | - José J Maciel Neto
- Radiology Center, Onofre Lopes University Hospital of Federal University of Rio Grande do Norte, Natal, Brazil
| | - Ricardo F Arrais
- Department of Pediatrics, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Maria das G Almeida
- Department of Clinical and Toxicological Analyses, Federal University of Rio Grande do Norte, Natal, Brazil
| | | | - Adriana A de Rezende
- Department of Clinical and Toxicological Analyses, Federal University of Rio Grande do Norte, Natal, Brazil
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12
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Gao X, Lu A, Tang Y, Schneppendahl J, Liebowitz AB, Scibetta AC, Morris ER, Cheng H, Huard C, Amra S, Wang B, Hall MA, Lowe WR, Huard J. Influences of donor and host age on human muscle-derived stem cell-mediated bone regeneration. Stem Cell Res Ther 2018; 9:316. [PMID: 30463597 PMCID: PMC6249775 DOI: 10.1186/s13287-018-1066-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 10/14/2018] [Accepted: 11/05/2018] [Indexed: 01/08/2023] Open
Abstract
Background Human muscle-derived stem cells (hMDSCs) have been shown to regenerate bone efficiently when they were transduced with Lenti-viral bone morphogenetic protein 2 (LBMP2). However, whether the age of hMDSCs and the animal host affect the bone regeneration capacity of hMDSCs and mechanism are unknown which prompted the current study. Methods We isolated three gender-matched young and old populations of skeletal muscle stem cells, and tested the influence of cells’ age on in vitro osteogenic differentiation using pellet culture before and after Lenti-BMP2/green fluorescent protein (GFP) transduction. We further investigated effects of the age of hMDSCs and animal host on hMDSC-mediated bone regeneration in a critical-size calvarial bone defect model in vivo. Micro-computer tomography (CT), histology, and immunohistochemistry were used to evaluate osteogenic differentiation and mineralization in vitro and bone regeneration in vivo. Western blot, quantitative polymerase chain reaction (PCR), and oxidative stress assay were performed to detect the effects of age of hMDSCs on cell survival and osteogenic-related genes. Serum insulin-like growth factor 1 (IGF1) and receptor activator of nuclear factor-kappa B ligand (RANKL) were measured with an enzyme-linked immunosorbent assay (ELISA). Results We found LBMP2/GFP transduction significantly enhanced osteogenic differentiation of hMDSCs in vitro, regardless of donor age. We also found old were as efficient as young LBMP2/GFP-transduced hMDSCs for regenerating functional bone in young and old mice. These findings correlated with lower phosphorylated p38MAPK expression and similar expression levels of cell survival genes and osteogenic-related genes in old hMDSCs relative to young hMDSCs. Old cells exhibited equivalent resistance to oxidative stress. However, both young and old donor cells regenerated less bone in old than young hosts. Impaired bone regeneration in older hosts was associated with high bone remodeling due to higher serum levels of RANKL and lower level of IGF-1. Conclusion hMDSC-mediated bone regeneration was not impaired by donor age when hMDSCs were transduced with LBMP2/GFP, but the age of the host adversely affected hMDSC-mediated bone regeneration. Regardless of donor and host age, hMDSCs formed functional bone, suggesting a promising cell resource for bone regeneration. Electronic supplementary material The online version of this article (10.1186/s13287-018-1066-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xueqin Gao
- Department of Orthopaedic Surgery, University of Texas Health Science Center at Houston, Houston, TX, 77054, USA.,Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Houston, TX, 77054, USA.,Steadman Philippon Research Institute, Vail, CO, 81657, USA
| | - Aiping Lu
- Department of Orthopaedic Surgery, University of Texas Health Science Center at Houston, Houston, TX, 77054, USA.,Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Houston, TX, 77054, USA.,Steadman Philippon Research Institute, Vail, CO, 81657, USA
| | - Ying Tang
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | | | | | | | | | - Haizi Cheng
- Department of Orthopaedic Surgery, University of Texas Health Science Center at Houston, Houston, TX, 77054, USA
| | - Charles Huard
- Department of Orthopaedic Surgery, University of Texas Health Science Center at Houston, Houston, TX, 77054, USA
| | - Sarah Amra
- Department of Orthopaedic Surgery, University of Texas Health Science Center at Houston, Houston, TX, 77054, USA
| | - Bing Wang
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | - Mary A Hall
- Department of Orthopaedic Surgery, University of Texas Health Science Center at Houston, Houston, TX, 77054, USA
| | - Walter R Lowe
- Department of Orthopaedic Surgery, University of Texas Health Science Center at Houston, Houston, TX, 77054, USA
| | - Johnny Huard
- Department of Orthopaedic Surgery, University of Texas Health Science Center at Houston, Houston, TX, 77054, USA. .,Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Houston, TX, 77054, USA. .,Steadman Philippon Research Institute, Vail, CO, 81657, USA.
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13
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Wierzbicka E, Swiercz A, Pludowski P, Jaworski M, Szalecki M. Skeletal Status, Body Composition, and Glycaemic Control in Adolescents with Type 1 Diabetes Mellitus. J Diabetes Res 2018; 2018:8121634. [PMID: 30250851 PMCID: PMC6140037 DOI: 10.1155/2018/8121634] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 07/13/2018] [Accepted: 08/08/2018] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Disturbed bone turnover, osteoporosis, and increased fracture risk are late complications of insulin-dependent diabetes mellitus. Little is known about how far and to what extent can glycaemic control of type 1 diabetes mellitus (T1DM) prevent disturbances of bone health and body composition during the growth and maturation period. OBJECTIVE The aim of this cross-sectional study was to compare the skeletal status outcomes and body composition between patients stratified by glycaemic control (1-year HbA1c levels) into well- and poorly-controlled subgroups in a population of T1DM adolescents, that is, <8% and ≥8%, respectively. SUBJECTS AND METHODS Skeletal status and body composition were evaluated in 60 adolescents with T1DM (53.3% female; mean aged: 15.1 ± 1.9 years; disease duration: 5.1 ± 3.9 years) using dual energy X-ray absorptiometry (GE Prodigy). The results were compared to age- and sex-adjusted reference values for healthy controls. The calculated Z-scores of different metabolic control subgroups were compared. Clinical data was also assessed. RESULTS As evidenced by Z-scores, patients with T1DM revealed a significantly lower TBBMD (total body bone mineral density), TBBMC (total body bone mineral content), S24BMD (bone mineral density of lumbar spine L2-L4), and TBBMC/LBM ratio (total body bone mineral content/lean body mass), but higher FM (fat mass) and FM/LBM ratio (fat mass/lean body mass) values compared to an age- and sex-adjusted general population. The subset (43.3% patients) with poor metabolic control (HbA1c ≥ 8%) had lower TBBMD, TBBMC, and LBM compared to respective values noted in the HbA1c < 8% group, after adjusting for confounders (mean Z-scores: -0.74 vs. -0.10, p = 0.037; -0.67 vs. +0.01, p = 0.026; and -0.45 vs. +0.20, p = 0.043, respectively). Additionally, we found a significant difference in the TBBMC/LBM ratio (relative bone strength index) between the metabolic groups (-0.58 vs. -0.07; p = 0.021). A statistically significant negative correlation between 1-year HbA1c levels and Z-scores of TBBMD, TBBMC, and LBM was also observed. In patients with longer disease duration, a significant negative correlation was established only for TBBMD, after adjusting for confounders. The relationships between densitometric values and age at onset of T1DM and sex were not significant and showed no relation to any of the analysed parameters of the disease course. CONCLUSION Findings from this study of adolescents with T1DM indicate that the lower Z-scores of TBBMD, TBBMC, and LBM as well as the TBBMC/LBM ratio are associated with increased HbA1c levels. Their recognition can be crucial in directing strategies to optimise metabolic control and improve diabetes management for bone development and maintenance in adolescents with T1DM.
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Affiliation(s)
- Elzbieta Wierzbicka
- Department of Human Nutrition, Warsaw University of Life Sciences (SGGW), Warsaw, Poland
| | - Anna Swiercz
- Department of Endocrinology and Diabetology, The Children's Memorial Health Institute, Warsaw, Poland
| | - Pawel Pludowski
- Department of Biochemistry, Radioimmunology, and Experimental Medicine, The Children's Memorial Health Institute, Warsaw, Poland
| | - Maciej Jaworski
- Department of Biochemistry, Radioimmunology, and Experimental Medicine, The Children's Memorial Health Institute, Warsaw, Poland
| | - Mieczyslaw Szalecki
- Department of Endocrinology and Diabetology, The Children's Memorial Health Institute, Warsaw, Poland
- Faculty of Medicine and Health Sciences, Jan Kochanowski University, Kielce, Poland
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14
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Mendes-da-Cruz DA, Lemos JP, Passos GA, Savino W. Abnormal T-Cell Development in the Thymus of Non-obese Diabetic Mice: Possible Relationship With the Pathogenesis of Type 1 Autoimmune Diabetes. Front Endocrinol (Lausanne) 2018; 9:381. [PMID: 30050502 PMCID: PMC6052664 DOI: 10.3389/fendo.2018.00381] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 06/22/2018] [Indexed: 12/20/2022] Open
Abstract
Type 1 diabetes (T1D) is an autoimmune disease caused by the destruction of insulin-producing cells in the pancreas, by direct interactions with autoreactive pancreas infiltrating T lymphocytes (PILs). One of the most important animal models for this disease is the non-obese diabetic (NOD) mouse. Alterations in the NOD mouse thymus during the pathogenesis of the disease have been reported. From the initial migratory disturbances to the accumulation of mature thymocytes, including regulatory Foxp3+ T cells, important mechanisms seem to regulate the repertoire of T cells that leave the thymus to settle in peripheral lymphoid organs. A significant modulation of the expression of extracellular matrix and soluble chemoattractant molecules, in addition to integrins and chemokine receptors, may contribute to the progressive accumulation of mature thymocytes and consequent formation of giant perivascular spaces (PVS) that are observed in the NOD mouse thymus. Comparative large-scale transcriptional expression and network analyses involving mRNAs and miRNAs of thymocytes, peripheral T CD3+ cells and PILs provided evidence that in PILs chemokine receptors and mRNAs are post-transcriptionally regulated by miR-202-3p resulting in decreased activity of these molecules during the onset of T1D in NOD mice. In this review, we discuss the abnormal T-cell development in NOD mice in the context of intrathymic expression of different migration-related molecules, peptides belonging to the family of insulin and insulin-like growth factors as well as the participation of miRNAs as post-transcriptional regulators and their possible influence on the onset of aggressive autoimmunity during the pathogenesis of T1D.
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Affiliation(s)
- Daniella A. Mendes-da-Cruz
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
- National Institute of Science and Technology on Neuroimmunomodulation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Julia P. Lemos
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
- National Institute of Science and Technology on Neuroimmunomodulation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Geraldo A. Passos
- Department of Morphology, Physiology and Basic Pathology, Ribeirão Preto Medical School, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Wilson Savino
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
- National Institute of Science and Technology on Neuroimmunomodulation, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
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15
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Kheniser KG, Polanco Santos CM, Kashyap SR. The effects of diabetes therapy on bone: A clinical perspective. J Diabetes Complications 2018; 32:713-719. [PMID: 29747995 DOI: 10.1016/j.jdiacomp.2018.04.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 03/21/2018] [Accepted: 04/14/2018] [Indexed: 12/16/2022]
Abstract
The effects of diabetes and diabetes therapy on bone are less known among clinicians. Traditionally, the emphasis of diabetes therapy has been on reducing cardiovascular risk by facilitating reductions in weight, blood pressure, blood sugar, systemic inflammation, and lipid levels. Now, with ample research demonstrating that patients with diabetes are more susceptible to bone fractures relative to controls, there has been a greater or renewed interest in studying the effects of diabetes therapy on bone. Interestingly, the majority of antidiabetic agents positively affect bone, but a few have detrimental effects. Specifically, although insulin has been demonstrated to be anabolic to bone, the rate of hypoglycemic episodes are increased with exogenous infusion; consequently, there is an increased fall and fracture frequency. Other agents such as thiazolidinediones have more direct negative effects on bone through transcriptional regulation. Even metabolic surgery, to a varying operation-dependent extent, exacerbates bone strength and may heighten fracture rate. The remaining diabetes agents seem to have neutral or positive effects on bone. With the increasing incidence of diabetes, it is more pertinent than ever to fully comprehend the effects of diabetes-related therapeutic modalities.
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MESH Headings
- Bone Density/drug effects
- Bone Diseases, Metabolic/etiology
- Bone Diseases, Metabolic/pathology
- Bone Diseases, Metabolic/prevention & control
- Bone and Bones/drug effects
- Bone and Bones/physiology
- Diabetes Mellitus, Type 1/complications
- Diabetes Mellitus, Type 1/drug therapy
- Diabetes Mellitus, Type 1/metabolism
- Diabetes Mellitus, Type 1/pathology
- Diabetes Mellitus, Type 2/complications
- Diabetes Mellitus, Type 2/drug therapy
- Diabetes Mellitus, Type 2/metabolism
- Diabetes Mellitus, Type 2/pathology
- Fractures, Bone/etiology
- Fractures, Bone/pathology
- Humans
- Hypoglycemic Agents/pharmacology
- Hypoglycemic Agents/therapeutic use
- Osteoporosis/etiology
- Osteoporosis/metabolism
- Osteoporosis/pathology
- Risk Factors
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Affiliation(s)
- Karim G Kheniser
- Department of Endocrinology and Metabolism, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, United States.
| | - Carmen M Polanco Santos
- Department of Endocrinology and Metabolism, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, United States.
| | - Sangeeta R Kashyap
- Department of Endocrinology and Metabolism, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, United States.
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16
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Loureiro MB, Ururahy MAG, Souza KSCD, Oliveira YMDC, Silva HPVD, Bortolin RH, Bezerra JF, Hirata RDC, Maciel-Neto JJ, Arrais RF, Almeida MDG, Hirata MH, Rezende AAD. Relationship between glycemic control and OPG gene polymorphisms with lower bone mineral density in patients with type 1 Diabetes mellitus. BRAZ J PHARM SCI 2018. [DOI: 10.1590/s2175-97902017000400060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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17
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Fixen CW, Fixen DR. Managing and maintaining bone mineral density in diabetes patients with pharmacotherapy. Expert Opin Pharmacother 2017; 18:2001-2006. [PMID: 29172834 DOI: 10.1080/14656566.2017.1410539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
INTRODUCTION The population of patients with osteoporosis and diabetes is increasing as the aging population increases. Loss of bone mineral density occurs in patients with diabetes, but is not always a priority in the practice setting. The aim of this review is to discuss clinical considerations when managing osteoporosis in patients with diabetes. Areas covered: The pathophysiology of decreased bone mineral density in patients with diabetes is discussed. Additionally, diabetic risk factors for fracture, such as hypoglycemia, the National Osteoporosis Foundation recommendations for osteoporosis, and secondary causes of osteoporosis, including disease and medication related causes, are discussed. Furthermore, recommendations for antihyperglycemic agents, thiazolidinediones, canagliflozin, insulin, metformin, and sitagliptin are discussed due to their effects on bone mineral density. Expert opinion: Even though diabetes is an important risk factor for osteoporosis, assessing bone health in diabetic patients is often overlooked. Ensuring adequate prevention and treatment strategies for osteoporosis is vitally important with our diabetic patients as the population ages. T-scores and FRAX scores likely underrepresent a diabetic patients risk for fracture, and this should be taken into consideration in treatment decisions. Future studies are needed to determine optimal pharmacologic treatment of hyperglycemia in this population.
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Affiliation(s)
- Cy W Fixen
- a Denver Veterans Affairs Medical Center , Denver , CO , USA
| | - Danielle R Fixen
- b Department of Clinical Pharmacy , University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences , Aurora , USA
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18
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Park YE, Musson DS, Naot D, Cornish J. Cell–cell communication in bone development and whole-body homeostasis and pharmacological avenues for bone disorders. Curr Opin Pharmacol 2017; 34:21-35. [DOI: 10.1016/j.coph.2017.04.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 03/07/2017] [Accepted: 04/06/2017] [Indexed: 12/11/2022]
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19
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Raisingani M, Preneet B, Kohn B, Yakar S. Skeletal growth and bone mineral acquisition in type 1 diabetic children; abnormalities of the GH/IGF-1 axis. Growth Horm IGF Res 2017; 34:13-21. [PMID: 28482269 PMCID: PMC5516798 DOI: 10.1016/j.ghir.2017.04.003] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 04/23/2017] [Accepted: 04/27/2017] [Indexed: 12/29/2022]
Abstract
Type 1 diabetes mellitus (T1DM) is one of the most common chronic diseases diagnosed in childhood. Childhood and adolescent years are also the most important period for growth in height and acquisition of skeletal bone mineral density (BMD). The growth hormone (GH)/insulin like growth factor -1 (IGF-1) axis which regulates growth, is affected by T1DM, with studies showing increased GH and decreased IGF-1 levels in children with T1DM. There is conflicting data as to whether adolescents with TIDM are able to achieve their genetically-determined adult height. Furthermore, data support that adolescents with T1DM have decreased peak BMD, although the pathophysiology of which has not been completely defined. Various mechanisms have been proposed for the decrease in BMD including low osteocalcin levels, reflecting decreased bone formation; increased sclerostin, an inhibitor of bone anabolic pathways; and increased leptin, an adipocytokine which affects bone metabolism via central and peripheral mechanisms. Other factors implicated in the increased bone resorption in T1DM include upregulation of the osteoprotegerin/ receptor-activator of the nuclear factor-κB ligand pathway, elevated parathyroid hormone levels, and activation of other cytokines involved in chronic systemic inflammation. In this review, we summarize the clinical studies that address the alterations in the GH/IGF-I axis, linear growth velocity, and BMD in children and adolescents with T1DM; and we review the possible molecular mechanisms that may contribute to an attenuation of linear growth and to the reduction in the acquisition of peak bone mass in the child and adolescent with T1DM.
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Affiliation(s)
- Manish Raisingani
- Department of Pediatrics, Division of Pediatric Endocrinology and Diabetes, New York University School of Medicine, New York, NY 10016, United States
| | - Brar Preneet
- Department of Pediatrics, Division of Pediatric Endocrinology and Diabetes, New York University School of Medicine, New York, NY 10016, United States
| | - Brenda Kohn
- Department of Pediatrics, Division of Pediatric Endocrinology and Diabetes, New York University School of Medicine, New York, NY 10016, United States
| | - Shoshana Yakar
- David B. Kriser Dental Center, Department of Basic Science and Craniofacial Biology, New York University College of Dentistry, New York, NY 10010-4086, United States.
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