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Mao J, Li C, Wu F, Wang Y, Zhu J, Wen C. The relationship between kidney disease and mitochondria: a bibliometric study. Ren Fail 2024; 46:2302963. [PMID: 38263699 PMCID: PMC10810663 DOI: 10.1080/0886022x.2024.2302963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 01/03/2024] [Indexed: 01/25/2024] Open
Abstract
BACKGROUND Due to its highly reabsorptive function, the kidney is a mitochondria-dependent organ. Research on the association between mitochondria and kidney disease has always been a serious focus of researchers, with many publications. Bibliometrics is a secondary analysis of published literature that extracts relevant information to gain insights into hotspots and trends in the field. Through bibliometric analysis, we aimed to understand the development trends and hotspots in the field of research on the association between kidney disease and mitochondria. METHOD Three bibliometric mapping tools (Biblimetrix R Package, VOS Viewer, CiteSpace) were used to provide an overview of the literature and analyze the co-occurrence of keywords and reference citations. RESULTS A total of 2672 relevant research articles were included. The co-occurrence network identified three clusters related to the association between mitochondria and kidney disease, including experimental methods, research mechanisms, and disease phenotypes. We found that research in this field has shifted from disease-level studies to mechanism-based studies, with the most prominent disease being diabetic nephropathy and the most prominent pathogenic mechanism being related to mitochondrial ROS production. CONCLUSION The bibliometric analysis provided a comprehensive understanding of the progress of research on the role of mitochondria in kidney disease, enriching the review literature in this field.
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Affiliation(s)
- Jueyi Mao
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Cuifang Li
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Feifeng Wu
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yang Wang
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Junquan Zhu
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Chuan Wen
- Department of Pediatrics, The Second Xiangya Hospital of Central South University, Changsha, China
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2
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Liu D, Zhou X, He Y, Zhao J. The Roles of CircRNAs in Mitochondria. J Cancer 2024; 15:2759-2769. [PMID: 38577612 PMCID: PMC10988319 DOI: 10.7150/jca.92111] [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] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 03/02/2024] [Indexed: 04/06/2024] Open
Abstract
Mitochondria participate in varieties of cellular events. It is widely accepted that human mitochondrial genome encodes 13 proteins, 2 rRNAs, and 22 tRNAs. Gene variation derived from human nuclear genome cannot completely explain mitochondrial diseases. The advent of high-throughput sequencing coupled with novel bioinformatic analyses decode the complexity of mitochondria-derived transcripts. Recently, circular RNAs (circRNAs) from both human mitochondrial genome and nuclear genome have been found to be located at mitochondria. Studies about the roles and molecular mechanisms underlying trafficking of the nucleus encoded circRNAs to mitochondria and mitochondria encoded circRNAs to the nucleus or cytoplasm in mammals are only beginning to emerge. These circRNAs have been associated with a variety of diseases, especially cancers. Here, we discuss the emerging field of mitochondria-located circRNAs by reviewing their identification, expression patterns, regulatory roles, and functional mechanisms. Mitochondria-located circRNAs have regulatory roles in cellular physiology and pathology. We also highlight future perspectives and challenges in studying mitochondria-located circRNAs, as well as their potential biomedical applications.
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Affiliation(s)
- Donghong Liu
- Department of Special Medical Care, Third Affiliated Hospital of Naval Medical University, Shanghai, 200438, China
| | - Xinyu Zhou
- Department of Epidemiology, Naval Medical University, Shanghai, 200433, China
| | - Yida He
- Department of Epidemiology, Naval Medical University, Shanghai, 200433, China
| | - Jun Zhao
- Department of Special Medical Care, Third Affiliated Hospital of Naval Medical University, Shanghai, 200438, China
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3
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Walker E, Hayes W, Bockenhauer D. Inherited non-FGF23-mediated phosphaturic disorders: A kidney-centric review. Best Pract Res Clin Endocrinol Metab 2024; 38:101843. [PMID: 38042745 DOI: 10.1016/j.beem.2023.101843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/04/2023]
Abstract
Phosphate is freely filtered by the glomerulus and reabsorbed exclusively in the proximal tubule by two key transporters, NaPiIIA and NaPiIIC, encoded by SLC34A1 and SLC34A3, respectively. Regulation of these transporters occurs primarily through the hormone FGF23 and, to a lesser degree, PTH. Consequently, inherited non-FGF23 mediated phosphaturic disorders are due to generalised proximal tubular dysfunction, loss-of-function variants in SLC34A1 or SLC34A3 or excess PTH signalling. The corresponding disorders are Renal Fanconi Syndrome, Infantile Hypercalcaemia type 2, Hereditary Hypophosphataemic Rickets with Hypercalciuria and Familial Hyperparathyroidism. Several inherited forms of Fanconi renotubular syndrome (FRTS) have also been described with the underlying genes encoding for GATM, EHHADH, HNF4A and NDUFAF6. Here, we will review their pathophysiology, clinical manifestations and the implications for treatment from a kidney-centric perspective, focussing on those disorders caused by dysfunction of renal phosphate transporters. Moreover, we will highlight specific genetic aspects, as the availability of large population genetic databases has raised doubts about some of the originally proposed gene-disease associations concerning phosphate transporters or their associated proteins.
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Affiliation(s)
- Emma Walker
- Nephrology Unit, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
| | - Wesley Hayes
- Nephrology Unit, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
| | - Detlef Bockenhauer
- Nephrology Unit, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK; Department of Renal Medicine, University College London, London, UK.
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4
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Raina R, Jothi S, Haffner D, Somers M, Filler G, Vasistha P, Chakraborty R, Shapiro R, Randhawa PS, Parekh R, Licht C, Bunchman T, Sethi S, Mangat G, Zaritsky J, Schaefer F, Warady B, Bartosh S, McCulloch M, Alhasan K, Swiatecka-Urban A, Smoyer WE, Chandraker A, Yap HK, Jha V, Bagga A, Radhakrishnan J. Post-transplant recurrence of focal segmental glomerular sclerosis: consensus statements. Kidney Int 2024; 105:450-463. [PMID: 38142038 DOI: 10.1016/j.kint.2023.10.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 10/03/2023] [Accepted: 10/17/2023] [Indexed: 12/25/2023]
Abstract
Focal segmental glomerular sclerosis (FSGS) is 1 of the primary causes of nephrotic syndrome in both pediatric and adult patients, which can lead to end-stage kidney disease. Recurrence of FSGS after kidney transplantation significantly increases allograft loss, leading to morbidity and mortality. Currently, there are no consensus guidelines for identifying those patients who are at risk for recurrence or for the management of recurrent FSGS. Our work group performed a literature search on PubMed/Medline, Embase, and Cochrane, and recommendations were proposed and graded for strength of evidence. Of the 614 initially identified studies, 221 were found suitable to formulate consensus guidelines for recurrent FSGS. These guidelines focus on the definition, epidemiology, risk factors, pathogenesis, and management of recurrent FSGS. We conclude that additional studies are required to strengthen the recommendations proposed in this review.
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Affiliation(s)
- Rupesh Raina
- Department of Nephrology, Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, Ohio, USA; Department of Nephrology, Akron Children's Hospital, Akron, Ohio, USA
| | - Swathi Jothi
- Department of Nephrology, Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, Ohio, USA
| | - Dieter Haffner
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Hannover, Germany
| | - Michael Somers
- Division of Nephrology, Department of Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Guido Filler
- Department of Pediatrics, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada; Department of Medicine, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada; Department of Pathology and Laboratory Medicine, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
| | - Prabhav Vasistha
- Department of Nephrology, Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, Ohio, USA
| | - Ronith Chakraborty
- Department of Nephrology, Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, Ohio, USA; Department of Nephrology, Akron Children's Hospital, Akron, Ohio, USA
| | - Ron Shapiro
- Recanati/Miller Transplantation Institute, The Mount Sinai Medical Center, New York, New York, USA
| | - Parmjeet S Randhawa
- Department of Pathology, Thomas E Starzl Transplant Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Rulan Parekh
- Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - Christopher Licht
- Division of Pediatric Nephrology, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Timothy Bunchman
- Pediatric Nephrology and Transplantation, Children's Hospital of Richmond at Virginia Commonwealth University (VCU), Richmond, Virginia, USA
| | - Sidharth Sethi
- Pediatric Nephrology, Kidney Institute, Medanta, The Medicity Hospital, Gurgaon, Haryana, India
| | - Guneive Mangat
- Department of Nephrology, Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, Ohio, USA
| | - Joshua Zaritsky
- Division of Pediatric Nephrology, Nemours, A.I. duPont Hospital for Children, Wilmington, Delaware, USA
| | - Franz Schaefer
- Department of Pediatric Nephrology, University Children's Hospital Heidelberg, Heidelberg, Germany
| | - Bradley Warady
- Division of Nephrology, University of Missouri-Kansas City School of Medicine, Children's Mercy, Kansas City, Missouri, USA
| | - Sharon Bartosh
- Department of Pediatrics, University of Wisconsin Medical School, Madison, Wisconsin, USA
| | - Mignon McCulloch
- Red Cross War Memorial Children's Hospital, University of Cape Town, Cape Town, South Africa
| | - Khalid Alhasan
- Nephrology Unit, Pediatrics Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia; Pediatric Kidney Transplant Division, Organ Transplant Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Agnieszka Swiatecka-Urban
- University of Virginia Children's Hospital, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - William E Smoyer
- Center for Clinical and Translational Research and Division of Nephrology, Nationwide Children's Hospital, The Ohio State University College of Medicine, Columbus, Ohio, USA
| | - Anil Chandraker
- Transplantation Research Center, Kidney and Pancreas Transplantation, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Hui Kim Yap
- Department of Pediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore; Khoo Teck Puat-National University Children's Medical Institute, National University Hospital, Singapore, Singapore
| | - Vivekanand Jha
- George Institute for Global Health, University of New South Wales (UNSW), New Delhi, India; School of Public Health, Imperial College, London, UK; Prasanna School of Public Health, Manipal Academy of Higher Education, Manipal, India
| | - Arvind Bagga
- Division of Pediatric Nephrology, All India Institute of Medical Sciences, New Delhi, India
| | - Jai Radhakrishnan
- Department of Medicine (Nephrology), Columbia University Medical Center, New York, New York, USA.
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5
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Hoogstraten CA, Hoenderop JG, de Baaij JHF. Mitochondrial Dysfunction in Kidney Tubulopathies. Annu Rev Physiol 2024; 86:379-403. [PMID: 38012047 DOI: 10.1146/annurev-physiol-042222-025000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Mitochondria play a key role in kidney physiology and pathology. They produce ATP to fuel energy-demanding water and solute reabsorption processes along the nephron. Moreover, mitochondria contribute to cellular health by the regulation of autophagy, (oxidative) stress responses, and apoptosis. Mitochondrial abundance is particularly high in cortical segments, including proximal and distal convoluted tubules. Dysfunction of the mitochondria has been described for tubulopathies such as Fanconi, Gitelman, and Bartter-like syndromes and renal tubular acidosis. In addition, mitochondrial cytopathies often affect renal (tubular) tissues, such as in Kearns-Sayre and Leigh syndromes. Nevertheless, the mechanisms by which mitochondrial dysfunction results in renal tubular diseases are only scarcely being explored. This review provides an overview of mitochondrial dysfunction in the development and progression of kidney tubulopathies. Furthermore, it emphasizes the need for further mechanistic investigations to identify links between mitochondrial function and renal electrolyte reabsorption.
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Affiliation(s)
- Charlotte A Hoogstraten
- Department of Medical Biosciences, Radboud University Medical Center, Nijmegen, The Netherlands;
| | - Joost G Hoenderop
- Department of Medical Biosciences, Radboud University Medical Center, Nijmegen, The Netherlands;
| | - Jeroen H F de Baaij
- Department of Medical Biosciences, Radboud University Medical Center, Nijmegen, The Netherlands;
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6
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Wang Y, Yang J, Zhang Y, Zhou J. Focus on Mitochondrial Respiratory Chain: Potential Therapeutic Target for Chronic Renal Failure. Int J Mol Sci 2024; 25:949. [PMID: 38256023 PMCID: PMC10815764 DOI: 10.3390/ijms25020949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/26/2023] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
The function of the respiratory chain is closely associated with kidney function, and the dysfunction of the respiratory chain is a primary pathophysiological change in chronic kidney failure. The incidence of chronic kidney failure caused by defects in respiratory-chain-related genes has frequently been overlooked. Correcting abnormal metabolic reprogramming, rescuing the "toxic respiratory chain", and targeting the clearance of mitochondrial reactive oxygen species are potential therapies for treating chronic kidney failure. These treatments have shown promising results in slowing fibrosis and inflammation progression and improving kidney function in various animal models of chronic kidney failure and patients with chronic kidney disease (CKD). The mitochondrial respiratory chain is a key target worthy of attention in the treatment of chronic kidney failure. This review integrated research related to the mitochondrial respiratory chain and chronic kidney failure, primarily elucidating the pathological status of the mitochondrial respiratory chain in chronic kidney failure and potential therapeutic drugs. It provided new ideas for the treatment of kidney failure and promoted the development of drugs targeting the mitochondrial respiratory chain.
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Affiliation(s)
| | | | | | - Jianhua Zhou
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430030, China; (Y.W.); (J.Y.); (Y.Z.)
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7
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Gao Y, Guo L, Wang F, Wang Y, Li P, Zhang D. Development of mitochondrial gene-editing strategies and their potential applications in mitochondrial hereditary diseases: a review. Cytotherapy 2024; 26:11-24. [PMID: 37930294 DOI: 10.1016/j.jcyt.2023.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 10/12/2023] [Accepted: 10/13/2023] [Indexed: 11/07/2023]
Abstract
Mitochondrial DNA (mtDNA) is a critical genome contained within the mitochondria of eukaryotic cells, with many copies present in each mitochondrion. Mutations in mtDNA often are inherited and can lead to severe health problems, including various inherited diseases and premature aging. The lack of efficient repair mechanisms and the susceptibility of mtDNA to damage exacerbate the threat to human health. Heteroplasmy, the presence of different mtDNA genotypes within a single cell, increases the complexity of these diseases and requires an effective editing method for correction. Recently, gene-editing techniques, including programmable nucleases such as restriction endonuclease, zinc finger nuclease, transcription activator-like effector nuclease, clustered regularly interspaced short palindromic repeats/clustered regularly interspaced short palindromic repeats-associated 9 and base editors, have provided new tools for editing mtDNA in mammalian cells. Base editors are particularly promising because of their high efficiency and precision in correcting mtDNA mutations. In this review, we discuss the application of these techniques in mitochondrial gene editing and their limitations. We also explore the potential of base editors for mtDNA modification and discuss the opportunities and challenges associated with their application in mitochondrial gene editing. In conclusion, this review highlights the advancements, limitations and opportunities in current mitochondrial gene-editing technologies and approaches. Our insights aim to stimulate the development of new editing strategies that can ultimately alleviate the adverse effects of mitochondrial hereditary diseases.
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Affiliation(s)
- Yanyan Gao
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Linlin Guo
- The Affiliated Cardiovascular Hospital of Qingdao University, Qingdao University, Qingdao, China
| | - Fei Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Yin Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Peifeng Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Dejiu Zhang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China.
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8
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Kömhoff M, Gracchi V, Dijkman H, Beck BB, Monnens L. Hyporeninemic hypoaldosteronism in RMND1-related mitochondrial disease. Pediatr Nephrol 2024; 39:125-129. [PMID: 37450011 PMCID: PMC10673983 DOI: 10.1007/s00467-023-06079-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 06/08/2023] [Accepted: 06/26/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND RMND1 is a nuclear gene needed for proper function of mitochondria. A pathogenic gene will cause multiple oxidative phosphorylation defects. A renal phenotype consisting of hyponatremia, hyperkalemia, and acidosis is frequently reported, previously considered to be due to aldosterone insensitivity. METHODS Clinical features and pathophysiology of three patients will be reported. DNA of these patients was subjected to exome screening. RESULTS In the first family, one pathogenic heterozygous and one highly probable heterozygous mutation were detected. In the second family, a homozygous pathogenic mutation was present. The electrolyte disbalance was not due to aldosterone insensitivity but to low plasma aldosterone concentration, a consequence of low plasma renin activity. This disbalance can be treated. In all three patients, the kidney function declined. In the first family, both children suffered from an unexplained arterial thrombosis with dire consequences. CONCLUSIONS Hyporeninemic hypoaldosteronism is the mechanism causing the electrolyte disbalance reported in patients with RMND1 mutations, and can be treated.
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Affiliation(s)
- Martin Kömhoff
- University Children's Hospital, Philipps University, Marburg, Germany
| | - Valentina Gracchi
- Department of Pediatrics, UMCG, University Groningen, Groningen, the Netherlands
| | - Henry Dijkman
- Department of Pathology, Radboud University Centre, Nijmegen, the Netherlands
| | - Bodo B Beck
- Department of Human Genetics, Cologne, Germany
| | - Leo Monnens
- Department of Physiology, Radboud University Centre, Nijmegen, the Netherlands.
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9
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Ben-Shabat I, Kvarnung M, Sperker W, Bruhn H, Wredenberg A, Wibom R, Nennesmo I, Engvall M, Paucar M. Ataxia Syndrome With Hearing Loss and Nephronophthisis Associated With a Novel Homozygous Variant in XPNPEP3. Neurol Genet 2023; 9:e200100. [PMID: 38035175 PMCID: PMC10684053 DOI: 10.1212/nxg.0000000000200100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 08/04/2023] [Indexed: 12/02/2023]
Abstract
Objectives Biallelic variants in XPNPEP3 are associated with a rare mitochondrial syndrome characterized by nephronophthisis leading to kidney failure, essential tremor, hearing loss, seizures, and intellectual disability. Only 2 publications on this condition are available. We report a man with a complex ataxia syndrome, hearing loss, and kidney failure associated with a new biallelic variant in XPNPEP3. Methods Clinical evaluation, neuroimaging studies, a kidney biopsy, and whole genome sequencing (WGS) were applied. Since the phenotype was compatible with a mitochondrial disease, a muscle biopsy with morphological and mitochondrial biochemical investigations was performed. Results Axial ataxia, cerebellar atrophy, hearing loss, myopathy, ptosis, supranuclear palsy, and kidney failure because of nephronophthisis were the prominent features in this case. WGS revealed the novel biallelic variant c.766C>T (p.Gln256*) in XPNPEP3. A muscle biopsy revealed COX negative fibers, a few ragged red fibers, and ultrastructural mitochondrial changes. Enzyme activity in respiratory chain complex IV was reduced in muscle and fibroblasts. Discussion This is the first report of a slowly progressive cerebellar ataxia associated with a novel biallelic variant in XPNPEP3. Abnormalities typical for mitochondrial disease and the slow progression of kidney disease are also striking. Our report expands the spectrum of XPNPEP3-related diseases.
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Affiliation(s)
- Ilan Ben-Shabat
- From the Departments of Neurology (I.B.-S.) and Internal Medicine (W.S.), Sunderby Hospital, Luleå; Umeå University (I.B.-S.); Department of Clinical Genetics (M.K.), Centre for Inherited Metabolic Diseases (H.B., A.W., R.W., M.E.), Karolinska University Hospital, Stockholm; Departments of Medical Biochemistry and Biophysics (A.W.), Oncology and Pathology (I.N.), Molecular Medicine and Surgery (M.E.), and Neurology (M.P.), Karolinska Institutet, Stockholm, Sweden
| | - Malin Kvarnung
- From the Departments of Neurology (I.B.-S.) and Internal Medicine (W.S.), Sunderby Hospital, Luleå; Umeå University (I.B.-S.); Department of Clinical Genetics (M.K.), Centre for Inherited Metabolic Diseases (H.B., A.W., R.W., M.E.), Karolinska University Hospital, Stockholm; Departments of Medical Biochemistry and Biophysics (A.W.), Oncology and Pathology (I.N.), Molecular Medicine and Surgery (M.E.), and Neurology (M.P.), Karolinska Institutet, Stockholm, Sweden
| | - Wolfgang Sperker
- From the Departments of Neurology (I.B.-S.) and Internal Medicine (W.S.), Sunderby Hospital, Luleå; Umeå University (I.B.-S.); Department of Clinical Genetics (M.K.), Centre for Inherited Metabolic Diseases (H.B., A.W., R.W., M.E.), Karolinska University Hospital, Stockholm; Departments of Medical Biochemistry and Biophysics (A.W.), Oncology and Pathology (I.N.), Molecular Medicine and Surgery (M.E.), and Neurology (M.P.), Karolinska Institutet, Stockholm, Sweden
| | - Helene Bruhn
- From the Departments of Neurology (I.B.-S.) and Internal Medicine (W.S.), Sunderby Hospital, Luleå; Umeå University (I.B.-S.); Department of Clinical Genetics (M.K.), Centre for Inherited Metabolic Diseases (H.B., A.W., R.W., M.E.), Karolinska University Hospital, Stockholm; Departments of Medical Biochemistry and Biophysics (A.W.), Oncology and Pathology (I.N.), Molecular Medicine and Surgery (M.E.), and Neurology (M.P.), Karolinska Institutet, Stockholm, Sweden
| | - Anna Wredenberg
- From the Departments of Neurology (I.B.-S.) and Internal Medicine (W.S.), Sunderby Hospital, Luleå; Umeå University (I.B.-S.); Department of Clinical Genetics (M.K.), Centre for Inherited Metabolic Diseases (H.B., A.W., R.W., M.E.), Karolinska University Hospital, Stockholm; Departments of Medical Biochemistry and Biophysics (A.W.), Oncology and Pathology (I.N.), Molecular Medicine and Surgery (M.E.), and Neurology (M.P.), Karolinska Institutet, Stockholm, Sweden
| | - Rolf Wibom
- From the Departments of Neurology (I.B.-S.) and Internal Medicine (W.S.), Sunderby Hospital, Luleå; Umeå University (I.B.-S.); Department of Clinical Genetics (M.K.), Centre for Inherited Metabolic Diseases (H.B., A.W., R.W., M.E.), Karolinska University Hospital, Stockholm; Departments of Medical Biochemistry and Biophysics (A.W.), Oncology and Pathology (I.N.), Molecular Medicine and Surgery (M.E.), and Neurology (M.P.), Karolinska Institutet, Stockholm, Sweden
| | - Inger Nennesmo
- From the Departments of Neurology (I.B.-S.) and Internal Medicine (W.S.), Sunderby Hospital, Luleå; Umeå University (I.B.-S.); Department of Clinical Genetics (M.K.), Centre for Inherited Metabolic Diseases (H.B., A.W., R.W., M.E.), Karolinska University Hospital, Stockholm; Departments of Medical Biochemistry and Biophysics (A.W.), Oncology and Pathology (I.N.), Molecular Medicine and Surgery (M.E.), and Neurology (M.P.), Karolinska Institutet, Stockholm, Sweden
| | - Martin Engvall
- From the Departments of Neurology (I.B.-S.) and Internal Medicine (W.S.), Sunderby Hospital, Luleå; Umeå University (I.B.-S.); Department of Clinical Genetics (M.K.), Centre for Inherited Metabolic Diseases (H.B., A.W., R.W., M.E.), Karolinska University Hospital, Stockholm; Departments of Medical Biochemistry and Biophysics (A.W.), Oncology and Pathology (I.N.), Molecular Medicine and Surgery (M.E.), and Neurology (M.P.), Karolinska Institutet, Stockholm, Sweden
| | - Martin Paucar
- From the Departments of Neurology (I.B.-S.) and Internal Medicine (W.S.), Sunderby Hospital, Luleå; Umeå University (I.B.-S.); Department of Clinical Genetics (M.K.), Centre for Inherited Metabolic Diseases (H.B., A.W., R.W., M.E.), Karolinska University Hospital, Stockholm; Departments of Medical Biochemistry and Biophysics (A.W.), Oncology and Pathology (I.N.), Molecular Medicine and Surgery (M.E.), and Neurology (M.P.), Karolinska Institutet, Stockholm, Sweden
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10
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Samoylova NA, Gureev AP, Popov VN. Methylene Blue Induces Antioxidant Defense and Reparation of Mitochondrial DNA in a Nrf2-Dependent Manner during Cisplatin-Induced Renal Toxicity. Int J Mol Sci 2023; 24:ijms24076118. [PMID: 37047089 PMCID: PMC10094522 DOI: 10.3390/ijms24076118] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 03/20/2023] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
Cisplatin is a platinum-based cytostatic drug that is widely used for cancer treatment. Mitochondria and mtDNA are important targets for platinum-based cytostatics, which mediates its nephrotoxicity. It is important to develop therapeutic approaches to protect the kidneys from cisplatin during chemotherapy. We showed that the exposure of mitochondria to cisplatin increased the level of lipid peroxidation products in the in vitro experiment. Cisplatin caused strong damage to renal mtDNA, both in the in vivo and in vitro experiments. Cisplatin injections induced oxidative stress by depleting renal antioxidants at the transcriptome level but did not increase the rate of H2O2 production in isolated mitochondria. Methylene blue, on the contrary, induced mitochondrial H2O2 production. We supposed that methylene blue-induced H2O2 production led to activation of the Nrf2/ARE signaling pathway. The consequences of activation of this signaling pathway were manifested in an increase in the expression of some antioxidant genes, which likely caused a decrease in the amount of mtDNA damage. Methylene blue treatment induced an increase in the expression of genes that were involved in the base excision repair (BER) pathway: the main pathway for mtDNA reparation. It is known that the expression of these genes can also be regulated by the Nrf2/ARE signaling pathway. We can assume that the protective effect of methylene blue is related to the activation of Nrf2/ARE signaling pathways, which can activate the expression of genes related to antioxidant defense and mtDNA reparation. Thus, the protection of kidney mitochondria from cisplatin-induced damage using methylene blue can significantly expand its application in medicine.
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Affiliation(s)
- Natalia A Samoylova
- Department of Genetics, Cytology and Bioengineering, Voronezh State University, 394018 Voronezh, Russia
| | - Artem P Gureev
- Department of Genetics, Cytology and Bioengineering, Voronezh State University, 394018 Voronezh, Russia
- Laboratory of Metagenomics and Food Biotechnology, Voronezh State University of Engineering Technology, 394036 Voronezh, Russia
| | - Vasily N Popov
- Department of Genetics, Cytology and Bioengineering, Voronezh State University, 394018 Voronezh, Russia
- Laboratory of Metagenomics and Food Biotechnology, Voronezh State University of Engineering Technology, 394036 Voronezh, Russia
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11
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Ali F, Ali S, Mohamed S, Khan I, Khan I, Khan S, Khan F, Alfeel AH, Higazi H. Analysis of mitochondrial DNA mutations in Pakistani population diagnosed with cardiovascular diseases. BRAZ J BIOL 2023; 84:e266924. [PMID: 36856233 DOI: 10.1590/1519-6984.266924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 11/29/2022] [Indexed: 03/02/2023] Open
Abstract
Heart and blood vessel disorders, such as coronary heart disease, brain vessel disease, rheumatic heart disease, and others, are together referred to as cardiovascular disease (CVD). In this study, we sought to determine how mitochondrial Leucine Transfer RNA genes and CVDs are related (MT-L1 and MT-L2). From CVD patients in Peshawar, a total of 27 saliva samples were taken. Leu-tRNA genes expressed by mitochondria were amplified using polymerase chain reaction after DNA was removed. Ten samples were sent for sequencing after PCR and gene cleaning. We obtained all of the sequenced results, which were subsequently aligned and evaluated against the mitochondrial revised Cambridge Reference Sequence (rCRS). However, in our sequenced samples, Leu-tRNA MT-L1 and MT-L2 genes were determined to be unaltered. Thus, it is suggested that a large population be taken into account while screening for mutations in the mitochondrial encoded Leu-tRNA MT-L1 and MT-L2 genes of cardiac patients in areas of Pakistan. Additionally, it is recommended that patients with cardiac problems should also have other mitochondrial encoded genes checked for potential mutations. This could result in the identification of genetic markers that could be used for early CVD screening in Pakistan.
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Affiliation(s)
- F Ali
- Dalian Medical University, Department of Cell Biology, Dalian, Liaoning, China
| | - S Ali
- Gulf Medical University, College of Health Sciences, Department of Medical Laboratory Sciences, Ajman, United Arab Emirates
| | - S Mohamed
- Gulf Medical University, College of Health Sciences, Department of Medical Laboratory Sciences, Ajman, United Arab Emirates
| | - I Khan
- Lanzhou University, School of Life Sciences, Department of Microbiology, Lanzhou, Gansu, China
| | - I Khan
- Khyber Medical University, Department of Microbiology, Peshawar, Pakistan
| | - S Khan
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - F Khan
- Pir Mehr Ali Shah Arid Agriculture University, Department of Zoology, Rawalpindi, Pakistan
| | - A H Alfeel
- Gulf Medical University, College of Health Sciences, Department of Medical Laboratory Sciences, Ajman, United Arab Emirates
| | - H Higazi
- Gulf Medical University, College of Health Sciences, Department of Medical Laboratory Sciences, Ajman, United Arab Emirates
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12
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Giannese D, Montano V, Lopriore P, Nesti C, LoGerfo A, Caligo MA, Dal Canto F, Pasquinelli G, Bonadio AG, Moriconi D, Siciliano G, Mancuso M. A Multisystem Mitochondrial Disease Caused by a Novel MT-TL1 mtDNA Variant: A Case Report. J Neuromuscul Dis 2023; 10:119-123. [PMID: 36404555 PMCID: PMC9881017 DOI: 10.3233/jnd-221526] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Mitochondrial tRNA (MTT) genes are hotspot for mitochondrial DNA mutation and are responsible of half mitochondrial disease. MTT mutations are associated with a broad spectrum of phenotype often with complex multisystem involvement and complex genotype-phenotype correlations. MT-TL1 mutations, among which the m.3243A>G mutation is the most frequent, are associated with myopathy, maternal inherited diabetes and deafness, MELAS, cardiomyopathy, and focal segmental glomerulosclerosis. CASE STUDY Here we report the case of an Italian 49-years old female presenting with encephalomyopathy, chronic proteinuric kidney disease and a new heteroplasmic m.3274_3275delAC MT-TL1 gene mutation. CONCLUSIONS Our case demonstrates a systemic mitochondrial disease caused by the heteroplasmic m.3274_3275delAC MT-TL1 gene mutation, not yet described in the literature. A mitochondrial disease should be suspected in case of complex multisystem phenotypes, including steroid-resistant nephrotic syndrome with multisystemic involvement.
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Affiliation(s)
- Domenico Giannese
- Department of Clinical and Experimental Medicine, Nephrology, Transplant and Dialysis Division, University Hospital of Pisa, Pisa, Italy
| | - Vincenzo Montano
- Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Italy
| | - Piervito Lopriore
- Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Italy
| | - Claudia Nesti
- Molecular Medicine, IRCCS Fondazione Stella Maris, Pisa, Italy
| | - Annalisa LoGerfo
- Laboratory of Molecular Genetics, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
| | - Maria Adelaide Caligo
- Laboratory of Molecular Genetics, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
| | | | - Gianandrea Pasquinelli
- Department of Experimental, Biotechnology and Methods in Laboratory Medicine, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy,Subcellular Nephro-Vascular Diagnostic Program, Pathology Unit, IRCCS, Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Angelo Giovanni Bonadio
- Department of Translational Research on New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Diego Moriconi
- Department of Surgical, Medical, Molecular and Critical Area Pathology, University of Pisa, Pisa, Italy
| | - Gabriele Siciliano
- Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Italy
| | - Michelangelo Mancuso
- Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Italy,Correspondence to: Michelangelo Mancuso, MD, PhD, Department of Clinical and Experimental Medicine, Neurological Institute, University of Pisa, Pisa, Italy. E-mail:
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13
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Reddam A, McLarnan S, Kupsco A. Environmental Chemical Exposures and Mitochondrial Dysfunction: a Review of Recent Literature. Curr Environ Health Rep 2022; 9:631-49. [PMID: 35902457 DOI: 10.1007/s40572-022-00371-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/20/2022] [Indexed: 01/31/2023]
Abstract
PURPOSE OF REVIEW Mitochondria play various roles that are important for cell function and survival; therefore, significant mitochondrial dysfunction may have chronic consequences that extend beyond the cell. Mitochondria are already susceptible to damage, which may be exacerbated by environmental exposures. Therefore, the aim of this review is to summarize the recent literature (2012-2022) looking at the effects of six ubiquitous classes of compounds on mitochondrial dysfunction in human populations. RECENT FINDINGS The literature suggests that there are a number of biomarkers that are commonly used to identify mitochondrial dysfunction, each with certain advantages and limitations. Classes of environmental toxicants such as polycyclic aromatic hydrocarbons, air pollutants, heavy metals, endocrine-disrupting compounds, pesticides, and nanomaterials can damage the mitochondria in varied ways, with changes in mtDNA copy number and measures of oxidative damage the most commonly measured in human populations. Other significant biomarkers include changes in mitochondrial membrane potential, calcium levels, and ATP levels. This review identifies the biomarkers that are commonly used to characterize mitochondrial dysfunction but suggests that emerging mitochondrial biomarkers, such as cell-free mitochondria and blood cardiolipin levels, may provide greater insight into the impacts of exposures on mitochondrial function. This review identifies that the mtDNA copy number and measures of oxidative damage are commonly used to characterize mitochondrial dysfunction, but suggests using novel approaches in addition to well-characterized ones to create standardized protocols. We identified a dearth of studies on mitochondrial dysfunction in human populations exposed to metals, endocrine-disrupting chemicals, pesticides, and nanoparticles as a gap in knowledge that needs attention.
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14
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Göknar N, Keleşoğlu E, Kasap N, Üçkardeş D, Candan C. A case of chronic kidney disease with pulmonary hypertension, hyperuricemia, immunodeficiency and other extrarenal findings: Answers. Pediatr Nephrol 2022; 37:2617-2619. [PMID: 35445976 DOI: 10.1007/s00467-022-05560-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Revised: 03/16/2022] [Accepted: 03/16/2022] [Indexed: 11/24/2022]
Affiliation(s)
- Nilüfer Göknar
- Faculty of Medicine, Department of Pediatric Nephrology, Istanbul Medeniyet University, Istanbul, Turkey.
| | - Emre Keleşoğlu
- Faculty of Medicine, Department of Pediatric Nephrology, Istanbul Medeniyet University, Istanbul, Turkey
| | - Nurhan Kasap
- Faculty of Medicine, Department of Pediatric Allergy and Immunology, Istanbul Medeniyet University, Istanbul, Turkey
| | - Diana Üçkardeş
- Faculty of Medicine, Department of Pediatric Nephrology, Istanbul Medeniyet University, Istanbul, Turkey
| | - Cengiz Candan
- Faculty of Medicine, Department of Pediatric Nephrology, Istanbul Medeniyet University, Istanbul, Turkey
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15
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Bakis H, Trimouille A, Vermorel A, Goizet C, Belaroussi Y, Schutz S, Solé G, Combe C, Martin-Negrier ML, Rigothier C. Renal involvement is frequent in adults with primary mitochondrial disorders: an observational study. Clin Kidney J 2022; 16:100-110. [PMID: 36726431 PMCID: PMC9871853 DOI: 10.1093/ckj/sfac195] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Indexed: 02/04/2023] Open
Abstract
Background Mitochondrial functions are controlled by genes of both mitochondrial and nuclear DNA. Pathogenic variants affecting any of these are responsible for primary mitochondrial disorders (MIDs), which can be diagnosed during adulthood. Kidney functions are highly dependent on mitochondrial respiration. However, the prevalence of MID-associated nephropathies (MIDANs) is unknown in the adult population. We aimed to address this point and to provide a full characterization of MIDANs in this population. Methods We retrospectively included for observational study adults (≥16 years of age) with genetically diagnosed MID between 2000 and 2020 in our tertiary care academic centre when they had a chronic kidney disease (CKD) evaluation. MIDANs were ascertained by CKD occurring in MIDs. The phenotypic, biological, histopathological and genotypic characteristics were recorded from the medical charts. Results We included 80 MID-affected adults and ascertained MIDANs in 28/80 (35%). Kidney diseases under the care of a nephrologist occurred in only 14/28 (50%) of the adults with MIDAN. MIDANs were tubulointerstitial nephropathy in 14/28 patients (50%) and glomerular diseases in 9/28 (32.1%). In adults with MID, MIDAN was negatively associated with higher albumin levels {odds ratio [OR] 0.79 [95% confidence interval (CI) 0.67-0.95]} and vision abnormalities [OR 0.17 (95% CI 0.03-0.94)] and positively associated with hypertension [OR 4.23 (95% CI 1.04-17.17)]. Conclusion MIDANs are frequent among adult MIDs. They are mostly represented by tubulointerstitial nephropathy or glomerular disease. Vision abnormalities, hypertension and albumin levels were independently associated with MIDANs. Our results pave the way for prospective studies investigating the prevalence of MIDANs among undetermined kidney disease populations.
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Affiliation(s)
| | - Aurélien Trimouille
- CHU de Bordeaux, Service de Génétique Médicale, Bordeaux, France,Université de Bordeaux, INSERM U1211, Bordeaux, France
| | - Agathe Vermorel
- CHU de Bordeaux, Service de Néphrologie, Transplantation, Dialyse et Aphérèses, Bordeaux, France,CHU de Bordeaux, Service de Pathologie, Bordeaux, France
| | - Cyril Goizet
- CHU de Bordeaux, Service de Génétique Médicale, Bordeaux, France,CHU de Bordeaux, Centre de Référence pour les Maladies Mitochondriales de l’Enfant à l’Adulte (CARAMMEL), Bordeaux, France,Université de Bordeaux, INSERM U1211, Bordeaux, France
| | - Yaniss Belaroussi
- Université de Bordeaux, INSERM, Bordeaux Population Health Center, ISPED, Bordeaux, France,CHU de Bordeaux, Bordeaux, France,Institut Bergonié, INSERM CIC1401, Clinical and Epidemiological Research Unit, Bordeaux, France
| | - Sacha Schutz
- CHU de Brest, Laboratoire de Génétique Moléculaire, Brest, France,Université de Brest, INSERM, EFS, UMR1078, GGB, Brest, France
| | - Guilhem Solé
- CHU de Bordeaux, Département de Neurologie, Unité Nerf-Muscle, Bordeaux, France,CHU de Bordeaux, AOC National Reference Center for Neuromuscular Disorders, Bordeaux, France
| | - Christian Combe
- CHU de Bordeaux, Service de Néphrologie, Transplantation, Dialyse et Aphérèses, Bordeaux, France,Tissue Bioengineering, U1026, INSERM, Bordeaux, France
| | - Marie-Laure Martin-Negrier
- CHU de Bordeaux, Service de Génétique Médicale, Bordeaux, France,CHU de Bordeaux, Centre de Référence pour les Maladies Mitochondriales de l’Enfant à l’Adulte (CARAMMEL), Bordeaux, France,Université de Bordeaux, Institut des Maladies Neurodégénératives, Bordeaux, France,CNRS, Institut des Maladies Neurodégénératives, Bordeaux, France
| | - Claire Rigothier
- CHU de Bordeaux, Service de Néphrologie, Transplantation, Dialyse et Aphérèses, Bordeaux, France,CHU de Bordeaux, Centre de Référence pour les Maladies Mitochondriales de l’Enfant à l’Adulte (CARAMMEL), Bordeaux, France,Tissue Bioengineering, U1026, INSERM, Bordeaux, France
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16
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Aldossary AM, Tawfik EA, Alomary MN, Alsudir SA, Alfahad AJ, Alshehri AA, Almughem FA, Mohammed RY, Alzaydi MM. Recent Advances in Mitochondrial Diseases: from Molecular Insights to Therapeutic Perspectives. Saudi Pharm J 2022; 30:1065-1078. [PMID: 36164575 PMCID: PMC9508646 DOI: 10.1016/j.jsps.2022.05.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 05/24/2022] [Indexed: 11/07/2022] Open
Abstract
Mitochondria are double-membraned cytoplasmic organelles that are responsible for the production of energy in eukaryotic cells. The process is completed through oxidative phosphorylation (OXPHOS) by the respiratory chain (RC) in mitochondria. Thousands of mitochondria may be present in each cell, depending on the function of that cell. Primary mitochondria disorder (PMD) is a clinically heterogeneous disease associated with germline mutations in mitochondrial DNA (mtDNA) and/or nuclear DNA (nDNA) genes, and impairs mitochondrial structure and function. Mitochondrial dysfunction can be detected in early childhood and may be severe, progressive and often multi-systemic, involving a wide range of organs. Understanding epigenetic factors and pathways mutations can help pave the way for developing an effective cure. However, the lack of information about the disease (including age of onset, symptoms, clinical phenotype, morbidity and mortality), the limits of current preclinical models and the wide range of phenotypic presentations hamper the development of effective medicines. Although new therapeutic approaches have been introduced with encouraging preclinical and clinical outcomes, there is no definitive cure for PMD. This review highlights recent advances, particularly in children, in terms of etiology, pathophysiology, clinical diagnosis, molecular pathways and epigenetic alterations. Current therapeutic approaches, future advances and proposed new therapeutic plans will also be discussed.
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Parasyri M, Brandström P, Uusimaa J, Ostergaard E, Hikmat O, Isohanni P, Naess K, de Coo I, Nascimento Osorio A, Nuutinen M, Lindberg C, Bindoff LA, Tulinius M, Darin N, Sofou K. Renal Phenotype in Mitochondrial Diseases: A Multicenter Study. Kidney Dis (Basel) 2022; 8:148-159. [PMID: 35527992 PMCID: PMC9021658 DOI: 10.1159/000521148] [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] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 11/23/2021] [Indexed: 06/14/2023]
Abstract
AIMS This study aimed to investigate associations between renal and extrarenal manifestations of mitochondrial diseases and their natural history as well as predictors of renal disease severity and overall disease outcome. The secondary aim was to generate a protocol of presymptomatic assessment and monitoring of renal function in patients with a defined mitochondrial disease. METHODS A multicenter, retrospective cohort study was performed by the Mitochondrial Clinical and Research Network (MCRN). Patients of any age with renal manifestations associated with a genetically verified mitochondrial disease were included from 8 expert European centers specializing in mitochondrial diseases: Gothenburg, Oulu, Copenhagen, Bergen, Helsinki, Stockholm, Rotterdam, and Barcelona. RESULTS Of the 36 patients included, two-thirds had mitochondrial DNA-associated disease. Renal manifestations were the first sign of mitochondrial disease in 19%, and renal involvement was first identified by laboratory tests in 57% of patients. Acute kidney injury occurred in 19% of patients and was the first sign of renal disease in the majority of these. The most common renal manifestation was chronic kidney disease (75% with stage 2 or greater), followed by tubulopathy (44.4%), the latter seen mostly among patients with single large-scale mitochondrial DNA deletions. Acute kidney injury and tubulopathy correlated with worse survival outcome. The most common findings on renal imaging were increased echogenicity and renal dysplasia/hypoplasia. Renal histology revealed focal segmental glomerulosclerosis, nephrocalcinosis, and nephronophthisis. CONCLUSION Acute kidney injury is a distinct renal phenotype in patients with mitochondrial disease. Our results highlight the importance to recognize renal disease as a sign of an underlying mitochondrial disease. Acute kidney injury and tubulopathy are 2 distinct indicators of poor survival in patients with mitochondrial diseases.
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Affiliation(s)
- Maria Parasyri
- Department of Paediatrics, Region Västra Götaland, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Per Brandström
- Department of Paediatrics, Region Västra Götaland, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Paediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Johanna Uusimaa
- Department of Children and Adolescents, Oulu University Hospital, Oulu, Finland
- PEDEGO Research Unit, Research Unit for Pediatrics, Pediatric Neurology, Pediatric Surgery, Child Psychiatry, Dermatology, Clinical Genetics, Obstetrics and Gynecology, Ophthalmology, Otorhinolaryngology, Medical Research Center Oulu (MRC Oulu), University of Oulu, Oulu, Finland
| | - Elsebet Ostergaard
- Department of Clinical Genetics, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
| | - Omar Hikmat
- Department of Pediatrics and Adolescent Medicine, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine (K1), University of Bergen, Bergen, Norway
| | - Pirjo Isohanni
- Department of Pediatric Neurology, Children's Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Research Programs Unit, Stem Cells and Metabolism, University of Helsinki, Helsinki, Finland
| | - Karin Naess
- Centre for Inherited Metabolic Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - I.F.M. de Coo
- Department Toxicogenomics, Faculty of Health, Medicine and Life Sciences, Graduate School MHeNS, Maastricht University, Maastricht, The Netherlands
| | | | - Matti Nuutinen
- Department of Children and Adolescents, Oulu University Hospital, Oulu, Finland
- PEDEGO Research Unit, Research Unit for Pediatrics, Pediatric Neurology, Pediatric Surgery, Child Psychiatry, Dermatology, Clinical Genetics, Obstetrics and Gynecology, Ophthalmology, Otorhinolaryngology, Medical Research Center Oulu (MRC Oulu), University of Oulu, Oulu, Finland
| | - Christopher Lindberg
- Department of Neurology, Neuromuscular Centre, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Laurence A. Bindoff
- Department of Clinical Medicine (K1), University of Bergen, Bergen, Norway
- Neuro-SysMed, Center of Excellence for Clinical Research in Neurological Diseases, Haukeland University Hospital, Bergen, Norway
| | - Már Tulinius
- Department of Paediatrics, Region Västra Götaland, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Paediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Niklas Darin
- Department of Paediatrics, Region Västra Götaland, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Paediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Kalliopi Sofou
- Department of Paediatrics, Region Västra Götaland, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Paediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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Tovar-palacio C, Noriega LG, Mercado A. Potential of Polyphenols to Restore SIRT1 and NAD+ Metabolism in Renal Disease. Nutrients 2022; 14:653. [PMID: 35277012 PMCID: PMC8837945 DOI: 10.3390/nu14030653] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/18/2022] [Accepted: 01/29/2022] [Indexed: 11/17/2022] Open
Abstract
SIRT1 is an NAD+-dependent class III histone deacetylase that is abundantly expressed in the kidney, where it modulates gene expression, apoptosis, energy homeostasis, autophagy, acute stress responses, and mitochondrial biogenesis. Alterations in SIRT1 activity and NAD+ metabolism are frequently observed in acute and chronic kidney diseases of diverse origins, including obesity and diabetes. Nevertheless, in vitro and in vivo studies and clinical trials with humans show that the SIRT1-activating compounds derived from natural sources, such as polyphenols found in fruits, vegetables, and plants, including resveratrol, quercetin, and isoflavones, can prevent disease and be part of treatments for a wide variety of diseases. Here, we summarize the roles of SIRT1 and NAD+ metabolism in renal pathophysiology and provide an overview of polyphenols that have the potential to restore SIRT1 and NAD+ metabolism in renal diseases.
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Imasawa T, Hirano D, Nozu K, Kitamura H, Hattori M, Sugiyama H, Sato H, Murayama K. Clinicopathological Features of Mitochondrial Nephropathy. Kidney Int Rep 2022. [PMID: 35257070 PMCID: PMC8897298 DOI: 10.1016/j.ekir.2021.12.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 12/16/2021] [Accepted: 12/20/2021] [Indexed: 12/12/2022] Open
Abstract
Introduction The clinicopathologic characteristics of nephropathy associated with mitochondrial disease (MD) remain unknown. We retrospectively analyzed a cohort of patients with proteinuria, decreased glomerular filtration rate, or Fanconi syndrome who had a genetic mutation confirmed as the cause of MD, defined as mitochondrial nephropathy. Methods This nationwide survey included 757 nephrology sections throughout Japan, and consequently, data on 81 cases of mitochondrial nephropathy were collected. Results The most common renal manifestation observed during the disease course was proteinuria. Hearing loss was the most common comorbidity; a renal-limited phenotype was observed only in mitochondrial DNA (mtDNA) point mutation and COQ8B mutation cases. We found a median time delay of 6.0 years from onset of renal manifestations to diagnosis. Focal segmental glomerular sclerosis (FSGS) was the most common pathologic diagnosis. We then focused on 63 cases with the m.3243A>G mutation. The rate of cases with diabetes was significantly higher among adult-onset cases than among childhood-onset cases. Pathologic diagnoses were more variable in adult-onset cases, including diabetic nephropathy, nephrosclerosis, tubulointerstitial nephropathy, and minor glomerular abnormalities. During the median observation period of 11.0 years from the first onset of renal manifestations in patients with m.3243A>G, renal replacement therapy (RRT) was initiated in 50.8% of patients. Death occurred in 25.4% of the patients during the median observation period of 12.0 years. The median estimated glomerular filtration rate (eGFR) decline was 5.4 ml/min per 1.73 m2/yr in the cases, especially 8.3 ml/min per 1.73 m2/yr in FSGS cases, with m.3243A>G. Conclusion Here, we described the clinicopathologic features and prognosis of mitochondrial nephropathy using large-scale data.
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Nishida H, Nawano T, Fukuhara H, Takai S, Narisawa T, Kanno H, Yagi M, Yamagishi A, Sakurai T, Naito S, Kato T, Tsuchiya N. Outcomes of Living Kidney Transplantation for Mitochondrial Disease Patients: A Case Series. Transplant Proc 2022; 54:267-271. [DOI: 10.1016/j.transproceed.2021.12.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 12/01/2021] [Accepted: 12/29/2021] [Indexed: 01/05/2023]
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21
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Claverie-Martin F, Perdomo-Ramirez A, Garcia-Nieto V. Hereditary kidney diseases associated with hypomagnesemia. Kidney Res Clin Pract 2021; 40:512-526. [PMID: 34784661 PMCID: PMC8685365 DOI: 10.23876/j.krcp.21.112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 06/20/2021] [Indexed: 11/04/2022] Open
Abstract
In the kidney, a set of proteins expressed in the epithelial cells of the thick ascending loop of Henle and the distal convoluted tubule directly or indirectly play important roles in the regulation of serum magnesium levels. Magnesium reabsorption in the thick ascending loop of Henle occurs through a passive paracellular pathway, while in the distal convoluted tubule, the final magnesium concentration is established through an active transcellular pathway. The players involved in magnesium reabsorption include proteins with diverse functions including tight junction proteins, cation and anion channels, sodium chloride cotransporter, calcium-sensing receptor, epidermal growth factor, cyclin M2, sodium potassium adenosine triphosphatase subunits, transcription factors, a serine protease, and proteins involved in mitochondrial function. Mutations in the genes that encode these proteins impair their function and cause different rare diseases associated with hypomagnesemia, which may lead to muscle cramps, fatigue, epileptic seizures, intellectual disability, cardiac arrhythmias, and chronic kidney disease. The purpose of this review is to describe the clinical and genetic characteristics of these hereditary kidney diseases and the current research findings on the pathophysiological basis of these diseases.
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Affiliation(s)
- Felix Claverie-Martin
- Unidad de Investigación, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain
| | - Ana Perdomo-Ramirez
- Unidad de Investigación, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain
| | - Victor Garcia-Nieto
- Unidad de Nefrología Pediátrica, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain
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22
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Kanako KI, Sakakibara N, Murayama K, Nagatani K, Murata S, Otake A, Koga Y, Suzuki H, Uehara T, Kosaki K, Yoshiura KI, Mishima H, Ichimiya Y, Mushimoto Y, Horinouchi T, Nagano C, Yamamura T, Iijima K, Nozu K. BCS1L mutations produce Fanconi syndrome with developmental disability. J Hum Genet 2021; 67:143-148. [PMID: 34650211 DOI: 10.1038/s10038-021-00984-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 09/07/2021] [Accepted: 10/01/2021] [Indexed: 11/09/2022]
Abstract
Fanconi syndrome is a functional disorder of the proximal tubule, characterized by pan-aminoaciduria, glucosuria, hypophosphatemia, and metabolic acidosis. With the advancements in gene analysis technologies, several causative genes are identified for Fanconi syndrome. Several mitochondrial diseases cause Fanconi syndrome and various systemic symptoms; however, it is rare that the main clinical symptoms in such disorders are Fanconi syndrome without systematic active diseases like encephalomyopathy or cardiomyopathy. In this study, we analyzed two families exhibiting Fanconi syndrome, developmental disability and mildly elevated liver enzyme levels. Whole-exome sequencing (WES) detected compound heterozygous known and novel BCS1L mutations, which affect the assembly of mitochondrial respiratory chain complex III, in both cases. The pathogenicity of these mutations has been established in several mitochondria-related functional analyses in this study. Mitochondrial diseases with isolated renal symptoms are uncommon; however, this study indicates that mitochondrial respiratory chain complex III deficiency due to BCS1L mutations cause Fanconi syndrome with developmental disability as the primary indications.
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Affiliation(s)
- Kojima-Ishii Kanako
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Nana Sakakibara
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan.
| | - Kei Murayama
- Center for Medical Genetics and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan
| | - Koji Nagatani
- Department of Pediatrics, Uwajima City Hospital, Uwajima, Japan
| | - Satoshi Murata
- Department of Pediatrics, Uwajima City Hospital, Uwajima, Japan
| | - Akira Otake
- Center for Intractable Diseases, Saitama Medical University Hospital, Saitama, Japan.,Department of Pediatrics & Clinical Genomics, Faculty of Medicine, Saitama Medical University, Saitama, Japan
| | - Yasutoshi Koga
- Department of Pediatrics and Child Health, Kurume University Graduate School of Medicine, Kurume, Japan
| | - Hisato Suzuki
- Center for Medical Genetics, Keio University School of Medicine, Tokyo, Japan
| | - Tomoko Uehara
- Center for Medical Genetics, Keio University School of Medicine, Tokyo, Japan
| | - Kenjiro Kosaki
- Center for Medical Genetics, Keio University School of Medicine, Tokyo, Japan
| | - Koh-Ichiro Yoshiura
- Department of Human Genetics, Nagasaki University Graduate School of Biomedical Sciences, Atomic Bomb Disease Institute, Nagasaki, Japan
| | - Hiroyuki Mishima
- Department of Human Genetics, Nagasaki University Graduate School of Biomedical Sciences, Atomic Bomb Disease Institute, Nagasaki, Japan
| | - Yuko Ichimiya
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yuichi Mushimoto
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tomoko Horinouchi
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - China Nagano
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tomohiko Yamamura
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kazumoto Iijima
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kandai Nozu
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
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23
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Li T, Lu Z, Wang J, Chen J, Fu H, Mao J. Growth Retardation in the Course of Fanconi Syndrome Caused by the 4977-bp Mitochondrial DNA Deletion: A Case Report. Children (Basel) 2021; 8:887. [PMID: 34682152 DOI: 10.3390/children8100887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/30/2021] [Accepted: 10/02/2021] [Indexed: 11/17/2022]
Abstract
Fanconi syndrome is one of the primary renal manifestations of mitochondrial cytopathies caused by mitochondrial DNA (mtDNA) mutation. The common 4977-bp mtDNA deletion has been reported to be associated with aging and diseases involving multiple extrarenal organs. Cases of Fanconi syndrome caused by the 4977-bp deletion were rarely reported previously. Here, we report a 6-year-old girl with growth retardation in the course of Fanconi syndrome. She had mild ptosis and pigmented retinopathy. Abnormal biochemical findings included low-molecular-weight proteinuria, normoglycemic glycosuria, increased urine phosphorus excretion, metabolic acidosis, and hypophosphatemia. Growth records showed that her body weight and height were normal in the first year and failed to thrive after the age of three. Using a highly sensitive mtDNA analysis methodology, she was identified to possess the common 4977-bp mtDNA deletion. The mutation rate was 84.7% in the urine exfoliated cells, 78.67% in the oral mucosal cells, and 23.99% in the blood sample. After three months of oral coenzyme Q10 and levocarnitine treatment in combination with standard electrolyte supplement, her condition was improved. This is a report of growth retardation as the initial major clinical presentation of Fanconi syndrome caused by the deletion of the 4977-bp fragment. Renal tubular abnormality without any other extrarenal dysfunction may be an initial clinical sign of mitochondrial disorders. Moreover, considering the heterogeneity of the phenotypes associated with mtDNA mutations, the risk of developing Kearns–Sayre syndrome (KSS) with age in this patient should be noted because she had ptosis, retinal involvement, and changes in the brain and skeletal muscle.
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24
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Yang Y, Li C, Gu X, Zhen J, Zhu S, Lv T, Wan Q, Liu Y. ING2 Controls Mitochondrial Respiration via Modulating MRPL12 Ubiquitination in Renal Tubular Epithelial Cells. Front Cell Dev Biol 2021; 9:700195. [PMID: 34434929 PMCID: PMC8380824 DOI: 10.3389/fcell.2021.700195] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 06/24/2021] [Indexed: 11/13/2022] Open
Abstract
Mitochondrial injury of tubular epithelial cells (TECs) is the key pathogenic event underlying various kidney diseases and a potential intervening target as well. Our previous study demonstrated that ING2 is ubiquitously expressed at tubulointerstitial area within kidneys, while its role in regulating TEC mitochondrial respiration is not fully elucidated. To clarify the roles of ING2 in mitochondrial homeostasis of TECs and pathogenesis of acute ischemic kidney injury, Western blot, PCR, immunofluorescence, immunoprecipitation, and oxygen consumption rate assay were applied to address the roles of ING2 in modulating mitochondrial respiration. We further complemented these studies with acute ischemic kidney injury both in vitro and in vivo. In vitro study demonstrated ING2 could positively control TEC mitochondrial respiration. Concurrently, both mRNA and protein levels of mtDNA encoded respiratory chain components were altered by ING2, suggesting ING2 could regulate mtDNA transcription. In mechanism, ING2 could regulate the ubiquitination of a newly identified mitochondrial transcription factor MRPL12, thereby modulating its cellular stability and abundance. We also demonstrated ING2-mediated modulation on mtDNA transcription and mitochondrial respiration are involved in serum deprivation induced TEC injuries. Finally, immunohistochemistry study revealed that ING2 expression was significantly altered in kidney biopsies with acute ischemic kidney injury. In vivo study suggested that kidney specific ING2 overexpression could effectively ameliorate acute ischemic kidney injury. Our study demonstrated that ING2 is a crucial modulator of TEC mitochondrial respiration. These findings suggested a unrecognized role of ING2 in TEC mitochondrial energetic homeostasis and a potential intervening target for TEC mitochondrial injury associated pathologies.
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Affiliation(s)
- Ying Yang
- Department of Pharmacy, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China.,Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Chensheng Li
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xia Gu
- School of Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Junhui Zhen
- Department of Pathology, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Suwei Zhu
- School of Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Tingting Lv
- School of Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qiang Wan
- Central Laboratory, Jinan Central Hospital Affiliated to Shandong University, Jinan, China
| | - Yi Liu
- Department of Pulmonary and Critical Care Medicine, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Pulmonary and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.,Shandong Key Laboratory of Infectious Respiratory Disease, Jinan, China
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25
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Saravanabavan S, Rangan GK. Possible role of the mitochondrial genome in the pathogenesis of autosomal dominant polycystic kidney disease. Nephrology (Carlton) 2021; 26:920-930. [PMID: 34331378 DOI: 10.1111/nep.13957] [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: 05/06/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 11/30/2022]
Abstract
Autosomal dominant polycystic kidney disease (ADPKD) is the most common monogenic renal disease in adults and is due to heterozygous germ line variants in either PKD1, PKD2 or rarely other genes. It is characterized by marked intra-familial disease variability suggesting that other genetic and/or environmental factors are involved in determining the lifetime course ADPKD. Recently, research indicates that polycystin-mediated mitochondrial dysfunction and metabolic re-programming contributes to the progression of ADPKD. Although biochemical abnormalities have gained the most interest, variants in the mitochondrial genome could be one of the mechanisms underlying the phenotypic variability in ADPKD. This narrative review aims to evaluate the role of the mitochondrial genome in the pathogenesis of APDKD.
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Affiliation(s)
- Sayanthooran Saravanabavan
- Michael Stern Laboratory for Polycystic Kidney Disease, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia.,Department of Renal Medicine, Westmead Hospital, Westmead, New South Wales, Australia
| | - Gopala K Rangan
- Michael Stern Laboratory for Polycystic Kidney Disease, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia.,Department of Renal Medicine, Westmead Hospital, Westmead, New South Wales, Australia
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26
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Forst AL, Reichold M, Kleta R, Warth R. Distinct Mitochondrial Pathologies Caused by Mutations of the Proximal Tubular Enzymes EHHADH and GATM. Front Physiol 2021; 12:715485. [PMID: 34349672 PMCID: PMC8326905 DOI: 10.3389/fphys.2021.715485] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 06/28/2021] [Indexed: 12/18/2022] Open
Abstract
The mitochondria of the proximal tubule are essential for providing energy in this nephron segment, whose ATP generation is almost exclusively oxygen dependent. In addition, mitochondria are involved in a variety of metabolic processes and complex signaling networks. Proximal tubular mitochondrial dysfunction can therefore affect renal function in very different ways. Two autosomal dominantly inherited forms of renal Fanconi syndrome illustrate how multifaceted mitochondrial pathology can be: Mutation of EHHADH, an enzyme in fatty acid metabolism, results in decreased ATP synthesis and a consecutive transport defect. In contrast, mutations of GATM, an enzyme in the creatine biosynthetic pathway, leave ATP synthesis unaffected but do lead to mitochondrial protein aggregates, inflammasome activation, and renal fibrosis with progressive renal failure. In this review article, the distinct pathophysiological mechanisms of these two diseases are presented, which are examples of the spectrum of proximal tubular mitochondrial diseases.
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Affiliation(s)
- Anna-Lena Forst
- Medical Cell Biology, Institute of Physiology, University of Regensburg, Regensburg, Germany
| | - Markus Reichold
- Medical Cell Biology, Institute of Physiology, University of Regensburg, Regensburg, Germany
| | - Robert Kleta
- Centre for Nephrology, University College London, London, United Kingdom
| | - Richard Warth
- Medical Cell Biology, Institute of Physiology, University of Regensburg, Regensburg, Germany
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27
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Kim K, Lee EY. Excessively Enlarged Mitochondria in the Kidneys of Diabetic Nephropathy. Antioxidants (Basel) 2021; 10:antiox10050741. [PMID: 34067150 PMCID: PMC8151708 DOI: 10.3390/antiox10050741] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 04/28/2021] [Accepted: 05/04/2021] [Indexed: 12/13/2022] Open
Abstract
Diabetic nephropathy (DN) is the most serious complication of diabetes and a leading cause of kidney failure and mortality in patients with diabetes. However, the exact pathogenic mechanisms involved are poorly understood. Impaired mitochondrial function and accumulation of damaged mitochondria due to increased imbalance in mitochondrial dynamics are known to be involved in the development and progression of DN. Accumulating evidence suggests that aberrant mitochondrial fission is involved in the progression of DN. Conversely, studies linking excessively enlarged mitochondria to DN pathogenesis are emerging. In this review, we summarize the current concepts of imbalanced mitochondrial dynamics and their molecular aspects in various experimental models of DN. We discuss the recent evidence of enlarged mitochondria in the kidneys of DN and examine the possibility of a therapeutic application targeting mitochondrial dynamics in DN.
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Affiliation(s)
- Kiyoung Kim
- Department of Medical Biotechnology, Soonchunhyang University, Asan 31538, Korea
- Department of Medical Sciences, Soonchunhyang University, Asan 31538, Korea
- Correspondence: (K.K.); (E.-Y.L.); Tel.: +82-41-413-5024 (K.K.); +82-41-570-3684 (E.-Y.L.); Fax: +82-41-413-5006 (K.K. & E.-Y.L.)
| | - Eun-Young Lee
- Division of Nephrology, Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Korea
- Institute of Tissue Regeneration, College of Medicine, Soonchunhyang University, Cheonan 31151, Korea
- BK21 FOUR Project, College of Medicine, Soonchunhyang University, Cheonan 31151, Korea
- Correspondence: (K.K.); (E.-Y.L.); Tel.: +82-41-413-5024 (K.K.); +82-41-570-3684 (E.-Y.L.); Fax: +82-41-413-5006 (K.K. & E.-Y.L.)
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28
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Carlassara L, Zanoni F, Gharavi AG. Familial Aggregation of CKD: Gene or Environment? Am J Kidney Dis 2021; 77:861-862. [PMID: 33583624 DOI: 10.1053/j.ajkd.2020.12.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 12/31/2020] [Indexed: 11/11/2022]
Affiliation(s)
- Lucrezia Carlassara
- Division of Nephrology, Department of Medicine, Columbia University, New York, New York; Division of Nephrology and Dialysis, Hospital of Belluno, Belluno, Italy
| | - Francesca Zanoni
- Division of Nephrology, Department of Medicine, Columbia University, New York, New York
| | - Ali G Gharavi
- Division of Nephrology, Department of Medicine, Columbia University, New York, New York.
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29
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Leask MP, Sumpter NA, Lupi AS, Vazquez AI, Reynolds RJ, Mount DB, Merriman TR. The Shared Genetic Basis of Hyperuricemia, Gout, and Kidney Function. Semin Nephrol 2020; 40:586-599. [DOI: 10.1016/j.semnephrol.2020.12.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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