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Naqui Xicota L, Cortès-Saladelafont E, Berrocal Acevedo E, Ros Peña A, Brussosa Ventura B, Porta Ribera R. Metabolopathy with characteristic clinical triad: Sengers syndrome. An Pediatr (Barc) 2024; 101:415-416. [PMID: 39609119 DOI: 10.1016/j.anpede.2024.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Accepted: 08/28/2024] [Indexed: 11/30/2024] Open
Affiliation(s)
- Laura Naqui Xicota
- Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain.
| | | | | | - Andrea Ros Peña
- Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain
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Blue EE, Huang SJ, Khan A, Golden-Grant K, Boyd B, Rosenthal EA, Gillentine MA, Fleming LR, Adams DR, Wolfe L, Allworth A, Bamshad MJ, Caruana NJ, Chanprasert S, Chen J, Dargie N, Doherty D, Friederich MW, Hisama FM, Horike-Pyne M, Lee JC, Donovan TE, Hock DH, Leppig KA, Miller DE, Mirzaa G, Ranchalis J, Raskind WH, Michel CR, Reisdorph R, Schwarze U, Sheppeard S, Strohbehn S, Stroud DA, Sybert VP, Wener MH, University of Washington Center for Rare Disease Research, the Undiagnosed Diseases Network, Stergachis AB, Lam CT, Jarvik GP, Dipple KM, Van Hove JL, Glass IA. Dual diagnosis of UQCRFS1-related mitochondrial complex III deficiency and recessive GJA8-related cataracts. RARE (AMSTERDAM, NETHERLANDS) 2024; 2:100040. [PMID: 39421685 PMCID: PMC11484756 DOI: 10.1016/j.rare.2024.100040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/19/2024]
Abstract
Biallelic pathogenic variants in UQCRFS1 underlie a rare form of isolated mitochondrial complex III deficiency associated with lactic acidosis and a distinctive scalp alopecia previously described in two unrelated probands. Here, we describe a participant in the Undiagnosed Diseases Network (UDN) with a dual diagnosis of two autosomal recessive disorders revealed by genome sequencing: UQCRFS1-related mitochondrial complex III deficiency and GJA8-related cataracts. Both pathogenic variants have been reported before: UQCRFS1 (NM_006003.3:c.215-1 G>C, p.Val72_Thr81del10) in a case with mitochondrial complex III deficiency and GJA8 (NM 005267.5:c.736 G>T, p.Glu246*) as a somatic change in aged cornea leading to decreased junctional coupling. A multi-modal approach combining enzyme assays and cellular proteomics analysis provided clear evidence of complex III respiratory chain dysfunction and low abundance of the Rieske iron-sulfur protein, validating the pathogenic effect of the UQCRFS1 variant. This report extends the genotypic and phenotypic spectrum for these two rare disorders and highlights the utility of deep phenotyping and genomics data to achieve diagnosis and insights into rare disease.
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Affiliation(s)
- Elizabeth E. Blue
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
- Institute for Public Health Genetics, University of Washington, Seattle, WA 98195, USA
- Brotman Baty Institute, Seattle, WA 98195, USA
| | - Samuel J. Huang
- Department of Medical Genetics, Marshfield Clinic, Marshfield, WI 54449, USA
| | - Alyna Khan
- Institute for Public Health Genetics, University of Washington, Seattle, WA 98195, USA
| | - Katie Golden-Grant
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Brenna Boyd
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Elisabeth A. Rosenthal
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | | | - Leah R. Fleming
- Department of Genetics, Saint Luke’s Genetics and Metabolic Clinic, Boise, ID 83712, USA
| | - David R. Adams
- NIH Undiagnosed Diseases Program, Common Fund, Office of the Director, National Institutes of Health, Bethesda, MD 20892, USA
| | - Lynne Wolfe
- NIH Undiagnosed Diseases Program, Common Fund, Office of the Director, National Institutes of Health, Bethesda, MD 20892, USA
| | - Aimee Allworth
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Michael J. Bamshad
- Brotman Baty Institute, Seattle, WA 98195, USA
- Division of Genetic Medicine, Department of Pediatrics, University of Washington, Seattle, WA 98195, USA
| | - Nikeisha J. Caruana
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, VIC, Australia
| | - Sirisak Chanprasert
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Jingheng Chen
- Institute for Public Health Genetics, University of Washington, Seattle, WA 98195, USA
| | - Nitsuh Dargie
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Daniel Doherty
- Brotman Baty Institute, Seattle, WA 98195, USA
- Division of Developmental Medicine, Department of Pediatrics, University of Washington, Seattle, WA 98195, USA
| | - Marisa W. Friederich
- Section of Clinical Genetics and Metabolism, Department of Pediatrics, University of Colorado Anschutz Medical Center, Aurora, CO 80045, USA
- Department of Pathology and Laboratory Medicine, Children’s Hospital Colorado, Aurora, CO 80045, USA
| | - Fuki M. Hisama
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Martha Horike-Pyne
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Jessica C. Lee
- Section of Clinical Genetics and Metabolism, Department of Pediatrics, University of Colorado Anschutz Medical Center, Aurora, CO 80045, USA
| | - Tonia E. Donovan
- Department of Pathology and Laboratory Medicine, Children’s Hospital Colorado, Aurora, CO 80045, USA
| | - Daniella H. Hock
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, VIC, Australia
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, VIC, Australia
- Victorian Clinical Genetics Services, Royal Children’s Hospital, Parkville, VIC, Australia
| | - Kathleen A. Leppig
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Danny E. Miller
- Brotman Baty Institute, Seattle, WA 98195, USA
- Division of Genetic Medicine, Department of Pediatrics, University of Washington, Seattle, WA 98195, USA
- Department of Laboratory Medicine, University of Washington, Seattle, WA 98195, USA
| | - Ghayda Mirzaa
- Brotman Baty Institute, Seattle, WA 98195, USA
- Division of Genetic Medicine, Department of Pediatrics, University of Washington, Seattle, WA 98195, USA
- Department of Laboratory Medicine, University of Washington, Seattle, WA 98195, USA
| | - Jane Ranchalis
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Wendy H. Raskind
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Cole R. Michel
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Richard Reisdorph
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Ulrike Schwarze
- Department of Laboratory Medicine, University of Washington, Seattle, WA 98195, USA
| | - Sam Sheppeard
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Samuel Strohbehn
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - David A. Stroud
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, VIC, Australia
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, VIC, Australia
- Victorian Clinical Genetics Services, Royal Children’s Hospital, Parkville, VIC, Australia
| | - Virginia P. Sybert
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Mark H. Wener
- Department of Laboratory Medicine, University of Washington, Seattle, WA 98195, USA
- Department of Rheumatology, University of Washington, Seattle, WA 98195, USA
| | | | - Andrew B. Stergachis
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
- Brotman Baty Institute, Seattle, WA 98195, USA
- Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA
| | - Christina T. Lam
- Division of Genetic Medicine, Department of Pediatrics, University of Washington, Seattle, WA 98195, USA
- Center for Integrative Brain Research, Seattle Children’s Research Institute, Seattle, WA 98105, USA
| | - Gail P. Jarvik
- Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, WA 98195, USA
- Brotman Baty Institute, Seattle, WA 98195, USA
- Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA
| | - Katrina M. Dipple
- Brotman Baty Institute, Seattle, WA 98195, USA
- Division of Genetic Medicine, Department of Pediatrics, University of Washington, Seattle, WA 98195, USA
- Center for Clinical and Translational Research, Seattle Children’s Research Institute, Seattle, WA 98105, USA
| | - Johan L.K. Van Hove
- Section of Clinical Genetics and Metabolism, Department of Pediatrics, University of Colorado Anschutz Medical Center, Aurora, CO 80045, USA
- Department of Pathology and Laboratory Medicine, Children’s Hospital Colorado, Aurora, CO 80045, USA
| | - Ian A. Glass
- Brotman Baty Institute, Seattle, WA 98195, USA
- Division of Genetic Medicine, Department of Pediatrics, University of Washington, Seattle, WA 98195, USA
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Fnon NF, Sayed Ismael NEH, Hassan HH, El-Sheikh SAE, Sobh ZK. Pathological causes of sudden death in autopsied children with reference to peculiar findings: An Egyptian perspective. J Forensic Leg Med 2024; 102:102652. [PMID: 38340604 DOI: 10.1016/j.jflm.2024.102652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/27/2023] [Accepted: 01/27/2024] [Indexed: 02/12/2024]
Abstract
Childhood is a long period extending up to the age of 18 years. Childhood encompasses different developmental stages; each stage has specific characteristics. This 5-year study included 244 autopsied children who died unexpectedly due to natural causes. This study was conducted in the forensic pathology unit of the Egyptian Forensic Medicine Authority (EFMA). Pathological causes of death were diagnosed in 181 cases, representing nearly three-quarters (74.2 %) of cases. Males represented 60.8 % of these cases. More than half (51.4 %) of deaths due to natural disease occurred within the first month of life. The diagnosis was established for the first-time during autopsy in 58 % of cases. Prematurity complications and infections were the cause of death in 35.9 % and 30.4 % of deaths attributed to natural pathologies, respectively. Prematurity complications are the most common cause of death in perinatal (63.6) and neonatal (71.4 %) periods. Whereas infection is the most common cause of death during infancy (55 %), childhood (52.8 %), and adolescence (43.8 %). Pneumonia was the most common infection (61.8 %). This study highlighted cases with peculiar pathologies that include cardiomyopathies (idiopathic dilated cardiomyopathy (DCM), hypertrophic cardiomyopathy (HCM), and Arrhythmogenic right ventricular cardiomyopathy (ARVD)), Waterhouse-Friderichsen syndrome (WFS), ruptured cerebral cavernous hemangioma, and cerebellar medulloblastoma.
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Affiliation(s)
- Nora Fawzy Fnon
- Pathology Unit, Forensic Medicine Authority, Ministry of Justice, Cairo, Egypt.
| | | | - Hanan Hosney Hassan
- Pathology Unit, Forensic Medicine Authority, Ministry of Justice, Cairo, Egypt.
| | | | - Zahraa Khalifa Sobh
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Alexandria University, Egypt.
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Rodríguez-Solana P, Arruti N, Nieves-Moreno M, Mena R, Rodríguez-Jiménez C, Guerrero-Carretero M, Acal JC, Blasco J, Peralta JM, Del Pozo Á, Montaño VEF, Dios-Blázquez LD, Fernández-Alcalde C, González-Atienza C, Sánchez-Cazorla E, Gómez-Cano MDLÁ, Delgado-Mora L, Noval S, Vallespín E. Whole Exome Sequencing of 20 Spanish Families: Candidate Genes for Non-Syndromic Pediatric Cataracts. Int J Mol Sci 2023; 24:11429. [PMID: 37511188 PMCID: PMC10380485 DOI: 10.3390/ijms241411429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/23/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Non-syndromic pediatric cataracts are defined as opacification of the crystalline lens that occurs during the first years of life without affecting other organs. Given that this disease is one of the most frequent causes of reversible blindness in childhood, the main objective of this study was to propose new responsible gene candidates that would allow a more targeted genetic approach and expand our genetic knowledge about the disease. We present a whole exome sequencing (WES) study of 20 Spanish families with non-syndromic pediatric cataracts and a previous negative result on an ophthalmology next-generation sequencing panel. After ophthalmological evaluation and collection of peripheral blood samples from these families, WES was performed. We were able to reach a genetic diagnosis in 10% of the families analyzed and found genes that could cause pediatric cataracts in 35% of the cohort. Of the variants found, 18.2% were classified as pathogenic, 9% as likely pathogenic, and 72.8% as variants of uncertain significance. However, we did not find conclusive results in 55% of the families studied, which suggests further studies are needed. The results of this WES study allow us to propose LONP1, ACACA, TRPM1, CLIC5, HSPE1, ODF1, PIKFYVE, and CHMP4A as potential candidates to further investigate for their role in pediatric cataracts, and AQP5 and locus 2q37 as causal genes.
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Affiliation(s)
- Patricia Rodríguez-Solana
- Molecular Ophthalmology Section, Institute of Medical and Molecular Genetics (INGEMM), IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (P.R.-S.); (R.M.); (C.R.-J.); (V.E.F.M.); (C.G.-A.); (E.S.-C.)
| | - Natalia Arruti
- Department of Pediatric Ophthalmology, IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (N.A.); (M.N.-M.); (M.G.-C.); (J.C.A.); (J.B.); (J.M.P.); (C.F.-A.); (S.N.)
- European Reference Network on Eye Diseases (ERN-EYE), La Paz University Hospital, 28046 Madrid, Spain
| | - María Nieves-Moreno
- Department of Pediatric Ophthalmology, IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (N.A.); (M.N.-M.); (M.G.-C.); (J.C.A.); (J.B.); (J.M.P.); (C.F.-A.); (S.N.)
- European Reference Network on Eye Diseases (ERN-EYE), La Paz University Hospital, 28046 Madrid, Spain
| | - Rocío Mena
- Molecular Ophthalmology Section, Institute of Medical and Molecular Genetics (INGEMM), IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (P.R.-S.); (R.M.); (C.R.-J.); (V.E.F.M.); (C.G.-A.); (E.S.-C.)
- Biomedical Research Center in the Rare Diseases Network (CIBERER), Carlos II Health Institute (ISCIII), 28029 Madrid, Spain; (Á.D.P.); (M.d.L.Á.G.-C.); (L.D.-M.)
| | - Carmen Rodríguez-Jiménez
- Molecular Ophthalmology Section, Institute of Medical and Molecular Genetics (INGEMM), IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (P.R.-S.); (R.M.); (C.R.-J.); (V.E.F.M.); (C.G.-A.); (E.S.-C.)
| | - Marta Guerrero-Carretero
- Department of Pediatric Ophthalmology, IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (N.A.); (M.N.-M.); (M.G.-C.); (J.C.A.); (J.B.); (J.M.P.); (C.F.-A.); (S.N.)
| | - Juan Carlos Acal
- Department of Pediatric Ophthalmology, IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (N.A.); (M.N.-M.); (M.G.-C.); (J.C.A.); (J.B.); (J.M.P.); (C.F.-A.); (S.N.)
| | - Joana Blasco
- Department of Pediatric Ophthalmology, IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (N.A.); (M.N.-M.); (M.G.-C.); (J.C.A.); (J.B.); (J.M.P.); (C.F.-A.); (S.N.)
| | - Jesús M. Peralta
- Department of Pediatric Ophthalmology, IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (N.A.); (M.N.-M.); (M.G.-C.); (J.C.A.); (J.B.); (J.M.P.); (C.F.-A.); (S.N.)
| | - Ángela Del Pozo
- Biomedical Research Center in the Rare Diseases Network (CIBERER), Carlos II Health Institute (ISCIII), 28029 Madrid, Spain; (Á.D.P.); (M.d.L.Á.G.-C.); (L.D.-M.)
- Clinical Bioinformatics Section, Institute of Medical and Molecular Genetics (INGEMM), IdiPaz, CIBERER, La Paz University Hospital, 28046 Madrid, Spain;
| | - Victoria E. F. Montaño
- Molecular Ophthalmology Section, Institute of Medical and Molecular Genetics (INGEMM), IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (P.R.-S.); (R.M.); (C.R.-J.); (V.E.F.M.); (C.G.-A.); (E.S.-C.)
- Biomedical Research Center in the Rare Diseases Network (CIBERER), Carlos II Health Institute (ISCIII), 28029 Madrid, Spain; (Á.D.P.); (M.d.L.Á.G.-C.); (L.D.-M.)
| | - Lucía De Dios-Blázquez
- Clinical Bioinformatics Section, Institute of Medical and Molecular Genetics (INGEMM), IdiPaz, CIBERER, La Paz University Hospital, 28046 Madrid, Spain;
| | - Celia Fernández-Alcalde
- Department of Pediatric Ophthalmology, IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (N.A.); (M.N.-M.); (M.G.-C.); (J.C.A.); (J.B.); (J.M.P.); (C.F.-A.); (S.N.)
| | - Carmen González-Atienza
- Molecular Ophthalmology Section, Institute of Medical and Molecular Genetics (INGEMM), IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (P.R.-S.); (R.M.); (C.R.-J.); (V.E.F.M.); (C.G.-A.); (E.S.-C.)
| | - Eloísa Sánchez-Cazorla
- Molecular Ophthalmology Section, Institute of Medical and Molecular Genetics (INGEMM), IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (P.R.-S.); (R.M.); (C.R.-J.); (V.E.F.M.); (C.G.-A.); (E.S.-C.)
| | - María de Los Ángeles Gómez-Cano
- Biomedical Research Center in the Rare Diseases Network (CIBERER), Carlos II Health Institute (ISCIII), 28029 Madrid, Spain; (Á.D.P.); (M.d.L.Á.G.-C.); (L.D.-M.)
- Clinical Genetics Section, Institute of Medical and Molecular Genetics (INGEMM), IdiPaz, CIBERER, La Paz University Hospital, 28046 Madrid, Spain
| | - Luna Delgado-Mora
- Biomedical Research Center in the Rare Diseases Network (CIBERER), Carlos II Health Institute (ISCIII), 28029 Madrid, Spain; (Á.D.P.); (M.d.L.Á.G.-C.); (L.D.-M.)
- Clinical Genetics Section, Institute of Medical and Molecular Genetics (INGEMM), IdiPaz, CIBERER, La Paz University Hospital, 28046 Madrid, Spain
| | - Susana Noval
- Department of Pediatric Ophthalmology, IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (N.A.); (M.N.-M.); (M.G.-C.); (J.C.A.); (J.B.); (J.M.P.); (C.F.-A.); (S.N.)
- European Reference Network on Eye Diseases (ERN-EYE), La Paz University Hospital, 28046 Madrid, Spain
| | - Elena Vallespín
- Molecular Ophthalmology Section, Institute of Medical and Molecular Genetics (INGEMM), IdiPaz, La Paz University Hospital, 28046 Madrid, Spain; (P.R.-S.); (R.M.); (C.R.-J.); (V.E.F.M.); (C.G.-A.); (E.S.-C.)
- European Reference Network on Eye Diseases (ERN-EYE), La Paz University Hospital, 28046 Madrid, Spain
- Biomedical Research Center in the Rare Diseases Network (CIBERER), Carlos II Health Institute (ISCIII), 28029 Madrid, Spain; (Á.D.P.); (M.d.L.Á.G.-C.); (L.D.-M.)
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Chen Y, Wu L, Liu J, Ma L, Zhang W. Adenine nucleotide translocase: Current knowledge in post-translational modifications, regulations and pathological implications for human diseases. FASEB J 2023; 37:e22953. [PMID: 37224026 DOI: 10.1096/fj.202201855rr] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 04/01/2023] [Accepted: 04/25/2023] [Indexed: 05/26/2023]
Abstract
Adenine nucleotide translocases (ANTs) are central to mitochondrial integrity and bioenergetic metabolism. This review aims to integrate the progresses and knowledge on ANTs over the last few years, contributing to a potential implication of ANTs for various diseases. Structures, functions, modifications, regulators and pathological implications of ANTs for human diseases are intensively demonstrated here. ANTs have four isoforms (ANT1-4), responsible for exchanging ATP/ADP, possibly composing of pro-apoptotic mPTP as a major component, and mediating FA-dependent uncoupling of proton efflux. ANT can be modified by methylation, nitrosylation and nitroalkylation, acetylation, glutathionylation, phosphorylation, carbonylation and hydroxynonenal-induced modifications. Compounds, including bongkrekic acid, atractyloside calcium, carbon monoxide, minocycline, 4-(N-(S-penicillaminylacetyl)amino) phenylarsonous acid, cardiolipin, free long-chain fatty acids, agaric acid, long chain acyl-coenzyme A esters, all have an ability to regulate ANT activities. ANT impairment leads to bioenergetic failure and mitochondrial dysfunction, contributing to pathogenesis of diseases, such as diabetes (deficiency), heart disease (deficiency), Parkinson's disease (reduction), Sengers Syndrome (decrease), cancer (isoform shifting), Alzheimer's Disease (coaggregation with Tau), Progressive External Opthalmoplegia (mutation), and Fascioscapulohumeral muscular dystrophy (overexpression). This review improves the understanding of the mechanism of ANT in pathogenesis of human diseases, and opens a window for novel therapeutic strategies targeted on ANT in diseases.
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Affiliation(s)
- Yingfei Chen
- Grade 2020, Capital Medical University, Beijing, China
| | - Leshuang Wu
- Grade 2019, Dalian Medical University, Dalian, China
| | - Jun Liu
- Department of Epidemiology, Dalian Medical University, Dalian, China
| | - Li Ma
- Department of Epidemiology, Dalian Medical University, Dalian, China
| | - Wenli Zhang
- Biochemistry and Molecular Biology Department of College of Basic Medical Sciences, Dalian Medical University, Dalian, China
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A novel AGK splicing mutation in a patient with Sengers syndrome and left ventricular non-compaction cardiomyopathy. Pediatr Res 2023:10.1038/s41390-023-02515-3. [PMID: 36759750 DOI: 10.1038/s41390-023-02515-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/16/2022] [Accepted: 01/21/2023] [Indexed: 02/11/2023]
Abstract
BACKGROUND Sengers syndrome characterized by hypertrophic cardiomyopathy is an extremely rare genetic disorder. Sengers syndrome associated with left ventricular non-compaction (LVNC) has not been described. METHODS Genetic testing was used to identify candidate AGK variants in the proband. The predicted molecular structures were constructed by protein modeling. Exon skipping caused by the identified splicing mutations was verified by in silico analyses and in vitro assays. The genotypic and phenotypic features of patients with AGK splicing mutations were extracted by a systematic review. RESULTS The proband was characterized by Sengers syndrome and LVNC and caused by a novel compound heterozygous AGK splicing mutation. This compound mutation simultaneously perturbed the protein sequences and spatial conformation of the acylglycerol kinase protein. In silico and in vitro analyses demonstrated skipping of exons 7 and 8 and premature truncation as a result of exon 8 skipping. The systematic review indicated that patients with an AGK splicing mutation may have milder phenotypes of Sengers syndrome. CONCLUSIONS The genotypic and phenotypic spectrums of Sengers syndrome have been expanded, which will provide essential information for genetic counseling. The molecular mechanism in AGK mutations can offer insights into the potential targets for treatment. IMPACT First description of a child with Sengers syndrome and left ventricular non-compaction cardiomyopathy. A novel pathogenic compound heterozygous splicing mutation in AGK for Sengers syndrome was identified. The identified mutations led to exons skipping by in silico analyses and in vitro assays.
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Fnon NF, Ismael NEHS, Hassan HH, El-Sheikh SAE, Sobh ZK. A postmortem study of unexpected natural pediatric deaths in Egypt. EGYPTIAN JOURNAL OF FORENSIC SCIENCES 2022. [DOI: 10.1186/s41935-022-00313-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Abstract
Background
Identifying the causes of unexpected pediatric deaths is a clinical, medicolegal, and humanitarian requirement. This study included autopsied children aged < 18 years who suddenly died due to natural causes and excluded nonnatural deaths. The study was performed over 5 years in the Egyptian Forensic Medical Authority.
Results
The study included 244 cases, consisting of 51.6% of neonates (< 1 month), 18% of infants (1–12 months), and 30.3% of children (1–18 years). The cause of death in neonates and children was “explained natural diseases” in 73.8% and 91.9%, respectively, while it was only 45.5% in infants. Infection-related deaths account for 30.4% of all explained natural deaths. Infections were responsible for 11.8% of explained deaths in neonates, while 55% and 48.5% were in infants and children, respectively. Of the fatal infections, 60% occurred at the age of > 1 year. Pneumonia accounted for 61.8% of infection-related deaths, followed by myocarditis (12.7%) and septicemia (12.7%). Regarding systems that had fatal pathologies, respiratory causes were responsible for 64% of explained natural deaths, whereas cardiovascular and central nervous system diseases accounted for 11% and 7.7% of explained natural deaths, respectively. Considering prodromes, alarming symptoms were reported before death in 51.2% of cases, whereas death occurred without alarming manifestations in 29.9% of cases. The rest of the cases (18.9%) were abandoned children with unavailable antemortem data.
Conclusions
Present results serve as a valuable reference dataset for deaths in developmental stages in Egypt that guides forensic practitioners in managing child deaths.
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Successful Anesthetic Management of Mitochondrial Myopathy and Hypertrophic Obstructive Cardiomyopathy in a Child With Senger Syndrome. Am J Ther 2022; 29:e651-e652. [PMID: 35994379 DOI: 10.1097/mjt.0000000000001557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Panicucci C, Schiaffino MC, Nesti C, Derchi M, Trocchio G, Severino M, Stagnaro N, Priolo E, Zara F, Santorelli FM, Bruno C. Long term follow-up in two siblings with Sengers syndrome: Case report. Ital J Pediatr 2022; 48:180. [PMID: 36253788 PMCID: PMC9575244 DOI: 10.1186/s13052-022-01370-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 07/28/2022] [Accepted: 09/13/2022] [Indexed: 11/24/2022] Open
Abstract
Background Sengers syndrome is characterized by congenital cataract, hypertrophic cardiomyopathy, mitochondrial myopathy, and lactic acidosis associated with mutations in AGK gene. Clinical course ranges from a severe fatal neonatal form, to a more benign form allowing survival into adulthood, to an isolated form of congenital cataract. Thus far few reported cases have survived the second decade at their latest examination, and no natural history data are available for the disease. Case presentation Here we provide a 20-year follow-up in two siblings with a benign form of Sengers syndrome, expanding the phenotypical spectrum of the disease by reporting a condition of ovarian agenesis. Conclusion To our knowledge, this report provides the first longitudinal data of Sengers syndrome patients. Supplementary information The online version contains supplementary material available at 10.1186/s13052-022-01370-y.
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Affiliation(s)
- Chiara Panicucci
- Center of Translational and Experimental Myology, IRCCS Istituto Giannina Gaslini, Via G. Gaslini, 5, I-16147, Genova, Italy
| | | | - Claudia Nesti
- Molecular Medicine, IRCCS Stella Maris Foundation, Pisa, Italy
| | - Maria Derchi
- Cardiology Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | | | | | - Nicola Stagnaro
- Radiology Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Enrico Priolo
- Ophthalmology Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Federico Zara
- Medical Genetics Unit, IRCCS Istituto Giannina Gaslini, Genova, Italy.,Department of Neurology, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | | | - Claudio Bruno
- Center of Translational and Experimental Myology, IRCCS Istituto Giannina Gaslini, Via G. Gaslini, 5, I-16147, Genova, Italy. .,Department of Neurology, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy.
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