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Karakus KE, Suryadevara V, Larson A, Gangadhar P, Shah VN. Skeletal Health in Patients With Mitochondrial Diabetes: Case Series and Review of Literature. JBMR Plus 2023; 7:e10824. [PMID: 38025043 PMCID: PMC10652178 DOI: 10.1002/jbm4.10824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/17/2023] [Accepted: 08/31/2023] [Indexed: 12/01/2023] Open
Abstract
Monogenic diabetes, including mitochondrial diabetes, constitutes 1% to 3% of all diabetes. Although there is an increased interest in understanding the mechanisms of bone fragility in people with diabetes, skeletal research is mostly focused on type 1 and type 2 diabetes. Little is known on skeletal health among people with mitochondrial diabetes. In this single-center study, we presented clinical characteristics of individuals with mitochondrial diabetes and clinical diagnosis of osteoporosis. Of 10 patients with mitochondrial diabetes, 4 (40%) had a clinical diagnosis of osteoporosis. Patients with osteoporosis were older, had lower body mass index, longer diabetes duration, lower fasting C-peptide, and presence of multiple comorbidities compared with patients without osteoporosis. In addition to our cases, we also systematically reviewed literature on skeletal health in people with mitochondrial diabetes and provided an overview of potential factors affecting skeletal health and future clinical and research directions to improve the care of people with mitochondrial disease. © 2023 The Authors. JBMR Plus published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
| | - Varun Suryadevara
- Department of EndocrinologyJawaharlal Institute of Postgraduate Medical Education and Research (JIPMER)PuducherryIndia
| | - Austin Larson
- Department of Pediatrics, Section of GeneticsUniversity of Colorado Anschutz Medical CampusAuroraCOUSA
| | - Prathosh Gangadhar
- Department of EndocrinologyIQRAA International Hospital and Research CentreCalicutIndia
| | - Viral N Shah
- Barbara Davis Center for DiabetesUniversity of Colorado Anschutz Medical CampusAuroraCOUSA
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Schultes B, Ernst B, Schmid SM. Treating hypercholesterinemia in a patient with maternally inherited diabetes and deafness (MIDD) by the proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitor alirocumab. Acta Diabetol 2021; 58:1575-1577. [PMID: 34370095 DOI: 10.1007/s00592-021-01776-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 07/26/2021] [Indexed: 11/26/2022]
Affiliation(s)
- Bernd Schultes
- Metabolic Center St. Gallen, friendlyDocs Ltd, Lerchentalstreet 21, CH-9016, St. Gallen, Switzerland.
- Institute for Endocrinology and Diabetes, University of Lübeck, Lübeck, Germany.
| | - Barbara Ernst
- Metabolic Center St. Gallen, friendlyDocs Ltd, Lerchentalstreet 21, CH-9016, St. Gallen, Switzerland
| | - Sebastian M Schmid
- Institute for Endocrinology and Diabetes, University of Lübeck, Lübeck, Germany
- German Center for Diabetes Research, Neuherberg, Germany
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Wang FS, Wu RW, Chen YS, Ko JY, Jahr H, Lian WS. Biophysical Modulation of the Mitochondrial Metabolism and Redox in Bone Homeostasis and Osteoporosis: How Biophysics Converts into Bioenergetics. Antioxidants (Basel) 2021; 10:1394. [PMID: 34573026 DOI: 10.3390/antiox10091394] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/25/2021] [Accepted: 08/25/2021] [Indexed: 01/11/2023] Open
Abstract
Bone-forming cells build mineralized microstructure and couple with bone-resorbing cells, harmonizing bone mineral acquisition, and remodeling to maintain bone mass homeostasis. Mitochondrial glycolysis and oxidative phosphorylation pathways together with ROS generation meet the energy requirement for bone-forming cell growth and differentiation, respectively. Moderate mechanical stimulations, such as weight loading, physical activity, ultrasound, vibration, and electromagnetic field stimulation, etc., are advantageous to bone-forming cell activity, promoting bone anabolism to compromise osteoporosis development. A plethora of molecules, including ion channels, integrins, focal adhesion kinases, and myokines, are mechanosensitive and transduce mechanical stimuli into intercellular signaling, regulating growth, mineralized extracellular matrix biosynthesis, and resorption. Mechanical stimulation changes mitochondrial respiration, biogenesis, dynamics, calcium influx, and redox, whereas mechanical disuse induces mitochondrial dysfunction and oxidative stress, which aggravates bone-forming cell apoptosis, senescence, and dysfunction. The control of the mitochondrial biogenesis activator PGC-1α by NAD+-dependent deacetylase sirtuins or myokine FNDC/irisin or repression of oxidative stress by mitochondrial antioxidant Nrf2 modulates the biophysical stimulation for the promotion of bone integrity. This review sheds light onto the roles of mechanosensitive signaling, mitochondrial dynamics, and antioxidants in mediating the anabolic effects of biophysical stimulation to bone tissue and highlights the remedial potential of mitochondrial biogenesis regulators for osteoporosis.
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Pucci M, Benati M, Lo Cascio C, Montagnana M, Lippi G. The challenges of diagnosing diabetes in childhood. Diagnosis (Berl) 2020; 8:dx-2020-0036. [PMID: 32683332 DOI: 10.1515/dx-2020-0036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 06/22/2020] [Indexed: 11/15/2022]
Abstract
Diabetes is one of the most prevalent diseases worldwide, whereby type 1 diabetes mellitus (T1DM) alone involves nearly 15 million patients. Although T1DM and type 2 diabetes mellitus (T2DM) are the most common types, there are other forms of diabetes which may remain often under-diagnosed, or that can be misdiagnosed as being T1DM or T2DM. After an initial diagnostic step, the differential diagnosis among T1DM, T2DM, Maturity-Onset Diabetes of the Young (MODY) and others forms has important implication for both therapeutic and behavioral decisions. Although the criteria used for diagnosing diabetes mellitus are well defined by the guidelines of the American Diabetes Association (ADA), no clear indications are provided on the optimal approach to be followed for classifying diabetes, especially in children. In this circumstance, both routine and genetic blood test may play a pivotal role. Therefore, the purpose of this article is to provide, through a narrative literature review, some elements that may aid accurate diagnosis and classification of diabetes in children and young people.
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Affiliation(s)
- Mairi Pucci
- Clinical Biochemistry Section, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Marco Benati
- Clinical Biochemistry Section, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Claudia Lo Cascio
- Clinical Biochemistry Section, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Martina Montagnana
- Clinical Biochemistry Section, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Giuseppe Lippi
- Clinical Biochemistry Section, Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
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Li K, Wu L, Liu J, Lin W, Qi Q, Zhao T. Maternally Inherited Diabetes Mellitus Associated with a Novel m.15897G>A Mutation in Mitochondrial tRNA Thr Gene. J Diabetes Res 2020; 2020:2057187. [PMID: 32083134 PMCID: PMC7011485 DOI: 10.1155/2020/2057187] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 12/06/2019] [Accepted: 12/26/2019] [Indexed: 12/17/2022] Open
Abstract
We report here the clinical, genetic, and molecular characteristics of type 2 diabetes in a Chinese family. There are differences in the severity and age of onset in diabetes among these families. By molecular analysis of the complete mitochondrial genome in this family, we identified the homoplasmic m.15897G>A mutation underwent sequence analysis of whole mitochondrial DNA genome, which localized at conventional position ten of tRNAThr, and distinct sets of mtDNA polymorphisms belonging to haplogroup D4b1. This mutation has been implicated to be important for tRNA identity and stability. Using cybrid cell models, the decreased efficiency of mitochondrial tRNAThr levels caused by the m.15897G>A mutation results in respiratory deficiency, protein synthesis and assembly, mitochondrial ATP synthesis, and mitochondrial membrane potential. These mitochondrial dysfunctions caused an increase in the production of reactive oxygen species in the mutant cell lines. These data provide a direct evidence that a novel tRNA mutation was associated with T2DM. Thus, our findings provide a new insight into the understanding of pathophysiology of maternally inherited diabetes.
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Affiliation(s)
- Ke Li
- Department of Plastic Surgery, The Second Affiliated Hospital of Soochow University, Suzhou 215006, China
- Department of Plastic and Burn Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Lijun Wu
- Department of Plastic Surgery, The Second Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Jianjiang Liu
- Department of Plastic Surgery, The Second Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Wei Lin
- Department of Plastic and Burn Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Qiang Qi
- Department of Plastic and Burn Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Tianlan Zhao
- Department of Plastic Surgery, The Second Affiliated Hospital of Soochow University, Suzhou 215006, China
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Duran J, Martinez A, Adler E. Cardiovascular Manifestations of Mitochondrial Disease. Biology (Basel) 2019; 8:E34. [PMID: 31083569 DOI: 10.3390/biology8020034] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 04/13/2019] [Accepted: 04/22/2019] [Indexed: 02/06/2023]
Abstract
Genetic mitochondrial cardiomyopathies are uncommon causes of heart failure that may not be seen by most physicians. However, the prevalence of mitochondrial DNA mutations and somatic mutations affecting mitochondrial function are more common than previously thought. In this review, the pathogenesis of genetic mitochondrial disorders causing cardiovascular disease is reviewed. Treatment options are presently limited to mostly symptomatic support, but preclinical research is starting to reveal novel approaches that may lead to better and more targeted therapies in the future. With better understanding and clinician education, we hope to improve clinician recognition and diagnosis of these rare disorders in order to improve ongoing care of patients with these diseases and advance research towards discovering new therapeutic strategies to help treat these diseases.
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Alexandar SP, Dhinakaran I, Ravi V, Parthasarathy N, Ganesan S, Bhaskaran M, Arun Kumar GP. Meta-Analysis of Association of Mitochondrial DNA Mutations with Type 2 Diabetes and Gestational Diabetes Mellitus. INT J HUM GENET 2018. [DOI: 10.1080/09723757.2018.1430110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Soundarya Priya Alexandar
- Human Genomics Laboratory, School of Chemical & Biotechnology, SASTRA University Thanjavur, Thanjavur 613 401, Tamil Nadu, India
| | - Indhumathi Dhinakaran
- Human Genomics Laboratory, School of Chemical & Biotechnology, SASTRA University Thanjavur, Thanjavur 613 401, Tamil Nadu, India
| | - Vidhya Ravi
- K.A.P. Viswanatham Govt. Medical College, Trichy, 620 001, Tamil Nadu, India
| | - Nandhini Parthasarathy
- Human Genomics Laboratory, School of Chemical & Biotechnology, SASTRA University Thanjavur, Thanjavur 613 401, Tamil Nadu, India
| | - Somasundari Ganesan
- Human Genomics Laboratory, School of Chemical & Biotechnology, SASTRA University Thanjavur, Thanjavur 613 401, Tamil Nadu, India
| | - Muthumeenakshi Bhaskaran
- Human Genomics Laboratory, School of Chemical & Biotechnology, SASTRA University Thanjavur, Thanjavur 613 401, Tamil Nadu, India
| | - Ganesh Prasad Arun Kumar
- Human Genomics Laboratory, School of Chemical & Biotechnology, SASTRA University Thanjavur, Thanjavur 613 401, Tamil Nadu, India
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