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Metry EL, Garrelfs SF, Deesker LJ, Acquaviva C, D’Ambrosio V, Bacchetta J, Beck BB, Cochat P, Collard L, Hogan J, Ferraro PM, Franssen CF, Harambat J, Hulton SA, Lipkin GW, Mandrile G, Martin-Higueras C, Mohebbi N, Moochhala SH, Neuhaus TJ, Prikhodina L, Salido E, Topaloglu R, Oosterveld MJ, Groothoff JW, Peters-Sengers H. Determinants of Kidney Failure in Primary Hyperoxaluria Type 1: Findings of the European Hyperoxaluria Consortium. Kidney Int Rep 2023; 8:2029-2042. [PMID: 37849991 PMCID: PMC10577369 DOI: 10.1016/j.ekir.2023.07.025] [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: 05/11/2023] [Revised: 07/10/2023] [Accepted: 07/24/2023] [Indexed: 10/19/2023] Open
Abstract
Introduction Primary hyperoxaluria type 1 (PH1) has a highly heterogeneous disease course. Apart from the c.508G>A (p.Gly170Arg) AGXT variant, which imparts a relatively favorable outcome, little is known about determinants of kidney failure. Identifying these is crucial for disease management, especially in this era of new therapies. Methods In this retrospective study of 932 patients with PH1 included in the OxalEurope registry, we analyzed genotype-phenotype correlations as well as the impact of nephrocalcinosis, urolithiasis, and urinary oxalate and glycolate excretion on the development of kidney failure, using survival and mixed model analyses. Results The risk of developing kidney failure was the highest for 175 vitamin-B6 unresponsive ("null") homozygotes and lowest for 155 patients with c.508G>A and c.454T>A (p.Phe152Ile) variants, with a median age of onset of kidney failure of 7.8 and 31.8 years, respectively. Fifty patients with c.731T>C (p.Ile244Thr) homozygote variants had better kidney survival than null homozygotes (P = 0.003). Poor outcomes were found in patients with other potentially vitamin B6-responsive variants. Nephrocalcinosis increased the risk of kidney failure significantly (hazard ratio [HR] 3.17 [2.03-4.94], P < 0.001). Urinary oxalate and glycolate measurements were available in 620 and 579 twenty-four-hour urine collections from 117 and 87 patients, respectively. Urinary oxalate excretion, unlike glycolate, was higher in patients who subsequently developed kidney failure (P = 0.034). However, the 41% intraindividual variation of urinary oxalate resulted in wide confidence intervals. Conclusion In conclusion, homozygosity for AGXT null variants and nephrocalcinosis were the strongest determinants for kidney failure in PH1.
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Affiliation(s)
- Elisabeth L. Metry
- Department of Pediatric Nephrology, Emma Children’s Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Sander F. Garrelfs
- Department of Pediatric Nephrology, Emma Children’s Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Lisa J. Deesker
- Department of Pediatric Nephrology, Emma Children’s Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Cecile Acquaviva
- Service de Biochimie et Biologie Moléculaire, UM Pathologies Héréditaires du Métabolisme et du Globule Rouge, Hospices Civils de Lyon, France
| | - Viola D’Ambrosio
- Department of Nephrology, Catholic University of the Sacred Heart, Rome, Italy
| | - Justine Bacchetta
- Centre de Référence des Maladies Rares Néphrogones, Hospices Civils de Lyon et Université Claude-Bernard Lyon 1, Lyon, France
| | - Bodo B. Beck
- Institute of Human Genetics, Center for Molecular Medicine Cologne, University Hospital of Cologne, Cologne, Germany
- Center for Rare and Hereditary Kidney Disease Cologne, University Hospital of Cologne, Cologne, Germany
| | - Pierre Cochat
- Centre de Référence des Maladies Rares Néphrogones, Hospices Civils de Lyon et Université Claude-Bernard Lyon 1, Lyon, France
| | - Laure Collard
- Department of Pediatric Nephrology, Center Hospitalier Universitaire Liège, Liège, Belgium
| | - Julien Hogan
- Department of Pediatric Nephrology, Assistance Publique–Hôpitaux de Paris Robert-Debré, University of Paris, Paris, France
| | | | - Casper F.M. Franssen
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jérôme Harambat
- Department of Pediatrics, Pediatric Nephrology Unit, Bordeaux University Hospital, Bordeaux, France
| | - Sally-Anne Hulton
- Department of Nephrology, Birmingham Women’s and Children’s Hospital NHS Foundation Trust, Birmingham, UK
| | - Graham W. Lipkin
- Department of Nephrology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Giorgia Mandrile
- Genetic Unit and Thalassemia Center, San Luigi University Hospital, Orbassano, Italy
| | - Cristina Martin-Higueras
- Institute of Biomedical Technology, CIBERER, University of Laguna, San Cristóbal de La Laguna, Spain
| | - Nilufar Mohebbi
- Division of Nephrology, University Hospital Zurich, Zurich, Switzerland
| | | | - Thomas J. Neuhaus
- Department of Pediatrics, Children’s Hospital Lucerne, Lucerne, Switzerland
| | - Larisa Prikhodina
- Department of Inherited and Acquired Kidney Diseases, Veltishev Research and Clinical Institute for Pediatrics and Pediatric Surgery of the Pirogov Russian National Research Medical University, Moscow, Russia
| | - Eduardo Salido
- Department of Pathology, Center for Biomedical Research on Rare Diseases, Hospital Universitario Canarias, Universidad La Laguna, Tenerife, Spain
| | - Rezan Topaloglu
- Division of Pediatric Nephrology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Michiel J.S. Oosterveld
- Department of Pediatric Nephrology, Emma Children’s Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Jaap W. Groothoff
- Department of Pediatric Nephrology, Emma Children’s Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Hessel Peters-Sengers
- Center for Experimental and Molecular Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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2
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Groothoff JW, Metry E, Deesker L, Garrelfs S, Acquaviva C, Almardini R, Beck BB, Boyer O, Cerkauskiene R, Ferraro PM, Groen LA, Gupta A, Knebelmann B, Mandrile G, Moochhala SS, Prytula A, Putnik J, Rumsby G, Soliman NA, Somani B, Bacchetta J. Clinical practice recommendations for primary hyperoxaluria: an expert consensus statement from ERKNet and OxalEurope. Nat Rev Nephrol 2023; 19:194-211. [PMID: 36604599 DOI: 10.1038/s41581-022-00661-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2022] [Indexed: 01/06/2023]
Abstract
Primary hyperoxaluria (PH) is an inherited disorder that results from the overproduction of endogenous oxalate, leading to recurrent kidney stones, nephrocalcinosis and eventually kidney failure; the subsequent storage of oxalate can cause life-threatening systemic disease. Diagnosis of PH is often delayed or missed owing to its rarity, variable clinical expression and other diagnostic challenges. Management of patients with PH and kidney failure is also extremely challenging. However, in the past few years, several new developments, including new outcome data from patients with infantile oxalosis, from transplanted patients with type 1 PH (PH1) and from patients with the rarer PH types 2 and 3, have emerged. In addition, two promising therapies based on RNA interference have been introduced. These developments warrant an update of existing guidelines on PH, based on new evidence and on a broad consensus. In response to this need, a consensus development core group, comprising (paediatric) nephrologists, (paediatric) urologists, biochemists and geneticists from OxalEurope and the European Rare Kidney Disease Reference Network (ERKNet), formulated and graded statements relating to the management of PH on the basis of existing evidence. Consensus was reached following review of the recommendations by representatives of OxalEurope, ESPN, ERKNet and ERA, resulting in 48 practical statements relating to the diagnosis and management of PH, including consideration of conventional therapy (conservative therapy, dialysis and transplantation), new therapies and recommendations for patient follow-up.
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Affiliation(s)
- Jaap W Groothoff
- Department of Pediatric Nephrology, Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.
| | - Ella Metry
- Department of Pediatric Nephrology, Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Lisa Deesker
- Department of Pediatric Nephrology, Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Sander Garrelfs
- Department of Pediatric Nephrology, Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Cecile Acquaviva
- Service de Biochimie et Biologie Moléculaire, UM Pathologies Héréditaires du Métabolisme et du Globule Rouge, Hospices Civils de Lyon, Lyon, France
| | - Reham Almardini
- Department of Pediatric Nephrology, Princes Rahma Children Teaching Hospital, Applied Balqa University, Medical School, Amman, Jordan
| | - Bodo B Beck
- Institute of Human Genetics, Center for Molecular Medicine Cologne, and Center for Rare and Hereditary Kidney Disease, Cologne, University Hospital of Cologne, Cologne, Germany
| | - Olivia Boyer
- Néphrologie Pédiatrique, Centre de Référence MARHEA, Institut Imagine, Université Paris Cité, Hôpital Necker - Enfants Malades, Paris, France
| | - Rimante Cerkauskiene
- Clinic of Paediatrics, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Pietro Manuel Ferraro
- Chronic Kidney Disease Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Luitzen A Groen
- Department of Pediatric Urology, Amsterdam UMC University of Amsterdam, Amsterdam, The Netherlands
| | - Asheeta Gupta
- Department of Nephrology, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK
| | - Bertrand Knebelmann
- Faculté de Santé, UFR de Médecine, AP-HP Centre-Universite de Paris, Departement Néphrologie, Dialyse, Transplantation Adultes, Paris, France
| | - Giorgia Mandrile
- Medical Genetics Unit and Thalassemia Center, San Luigi University Hospital, University of Torino, Orbassano, Italy
| | | | - Agnieszka Prytula
- Department of Paediatric Nephrology and Rheumatology, Ghent University Hospital, Ghent, Belgium
| | - Jovana Putnik
- Department of Pediatric Nephrology, Mother and Child Health Care Institute of Serbia "Dr Vukan Čupić", Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Gill Rumsby
- Kintbury, UK, formerly Department of Clinical Biochemistry, University College London Hospitals NHS Foundation Trust, London, UK
| | - Neveen A Soliman
- Center of Pediatric Nephrology & Transplantation, Kasr Al Ainy Medical School, Cairo University, Cairo, Egypt
| | - Bhaskar Somani
- Department of Urology, University Hospital Southampton NHS Trust, Southampton, UK
| | - Justine Bacchetta
- Reference Center for Rare Renal Diseases, Pediatric Nephrology-Rheumatology-Dermatology Unit, Femme Mere Enfant Hospital, Hospices Civils de Lyon, INSERM 1033 Unit, Lyon 1 University, Bron, France
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3
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Marelli C, Fouilhoux A, Benoist J, De Lonlay P, Guffon‐Fouilhoux N, Brassier A, Cano A, Chabrol B, Pennisi A, Schiff M, Acquaviva C, Murphy E, Servais A, Lachmann R. Very long-term outcomes in 23 patients with cblA type methylmalonic acidemia. J Inherit Metab Dis 2022; 45:937-951. [PMID: 35618652 PMCID: PMC9540587 DOI: 10.1002/jimd.12525] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 05/16/2022] [Accepted: 05/23/2022] [Indexed: 11/10/2022]
Abstract
OBJECTIVES To present the very long-term follow up of patients with cobalamin A (cblA) deficiency. METHODS A retrospective case series of adult (>16 years) patients with molecular or enzymatic diagnosis of cblA deficiency. RESULTS We included 23 patients (mean age: 27 ± 7.6 years; mean follow-up: 24.9 ± 7.6 years). Disease onset was mostly pediatric (78% < 1 year, median = 4 months) with acute neurologic deterioration (65%). Eight patients presented with chronic symptoms, and one had an adult-onset mild cblA deficiency. Most of the patients (61%) were initially classified as vitamin B12-unresponsive methylmalonic aciduria (MMA); in vitro B12 responsiveness was subsequently found in all the tested patients (n = 13). Initial management consisted of protein restriction (57%), B12 (17%), or both (26%). The main long-term problems were intellectual disability (39%) and renal failure (30%). However, 56.5% of the patients were living independently. Intellectual disability was equally distributed among the initial treatment groups, while renal failure (moderate and beginning at the age of 38 years) was present in only one out of seven patients initially treated with B12. CONCLUSIONS We provide a detailed picture of the long-term outcome of a series of adult cblA patients, mostly diagnosed before the enzymatic and molecular era. We confirm that about 35% of the patients do not present acutely, underlining the importance of measuring MMA in any case of unexplained chronic renal failure, intellectual disability, or growth delay. In addition, we describe a patient with a milder adult-onset form. Early B12 supplementation seems to protect from severe renal insufficiency.
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Affiliation(s)
- Cecilia Marelli
- Expert Centre for Neurogenetic Diseases and Adult Mitochondrial and Metabolic DiseasesUniversity Hospital of MontpellierMontpellierFrance
- MMDNUniversity of Montpellier, Ecole Pratique des Hautes Etudes, InsermMontpellierFrance
| | - Alain Fouilhoux
- Reference Center for Inborn Error of MetabolismHôpital Femme Mère Enfant, Hospices Civils de LyonBronFrance
| | - Jean‐Francois Benoist
- Inserm UMR_S1163Institut ImagineParisFrance
- Biochemistry DepartmentHôpital Necker Enfants Malades, Assistance Publique – Hôpitaux de ParisParisFrance
| | - Pascale De Lonlay
- Necker Hospital, Assistance Publique – Hôpitaux de Paris, Reference Center for Inborn Error of Metabolism and Filière G2M, Pediatrics DepartmentUniversity of ParisParisFrance
| | - Nathalie Guffon‐Fouilhoux
- Reference Center for Inborn Error of MetabolismHôpital Femme Mère Enfant, Hospices Civils de LyonBronFrance
| | - Anais Brassier
- Necker Hospital, Assistance Publique – Hôpitaux de Paris, Reference Center for Inborn Error of Metabolism and Filière G2M, Pediatrics DepartmentUniversity of ParisParisFrance
| | - Aline Cano
- Reference Center for Inherited Metabolic Disorders, Assistance Publique Hôpitaux de MarseilleCentre Hospitalier Universitaire de La Timone EnfantsMarseilleFrance
| | - Brigitte Chabrol
- Reference Center for Inherited Metabolic Disorders, Assistance Publique Hôpitaux de MarseilleCentre Hospitalier Universitaire de La Timone EnfantsMarseilleFrance
| | - Alessandra Pennisi
- Necker Hospital, Assistance Publique – Hôpitaux de Paris, Reference Center for Inborn Error of Metabolism and Filière G2M, Pediatrics DepartmentUniversity of ParisParisFrance
| | - Manuel Schiff
- Inserm UMR_S1163Institut ImagineParisFrance
- Necker Hospital, Assistance Publique – Hôpitaux de Paris, Reference Center for Inborn Error of Metabolism and Filière G2M, Pediatrics DepartmentUniversity of ParisParisFrance
| | - Cecile Acquaviva
- Center for Inherited Metabolic Disorders and Neonatal Screening, Est Biology and Pathology Department, Groupement Hospitalier Est (GHE)Hospices Civils de LyonBronFrance
| | - Elaine Murphy
- C. Dent Adult Metabolic UnitNational Hospital for Neurology and NeurosurgeryLondonUK
| | - Aude Servais
- Necker Hospital, Assistance Publique – Hôpitaux de Paris, Reference Center for Inborn Error of Metabolism and Filière G2M, Pediatrics DepartmentUniversity of ParisParisFrance
- Adult Nephrology and Transplantation DepartmentHôpital Necker Enfants Malades, APHPParisFrance
| | - Robin Lachmann
- C. Dent Adult Metabolic UnitNational Hospital for Neurology and NeurosurgeryLondonUK
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4
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Pszczolinski R, Acquaviva C, Bacchetta J, Moulin B. Le retard diagnostique de l’hyperoxalurie primitive reste majeur : résultats de l’étude nationale pheno-hopla [Description phénotypique des hyperoxaluries primaires]. Nephrol Ther 2022. [DOI: 10.1016/j.nephro.2022.07.173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Metry EL, Garrelfs SF, Peters-Sengers H, Hulton SA, Acquaviva C, Bacchetta J, Beck BB, Collard L, Deschênes G, Franssen C, Kemper MJ, Lipkin GW, Mandrile G, Mohebbi N, Moochhala SH, Oosterveld MJ, Prikhodina L, Hoppe B, Cochat P, Groothoff JW. Long-Term Transplantation Outcomes in Patients With Primary Hyperoxaluria Type 1 Included in the European Hyperoxaluria Consortium (OxalEurope) Registry. Kidney Int Rep 2021; 7:210-220. [PMID: 35155860 PMCID: PMC8821040 DOI: 10.1016/j.ekir.2021.11.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/28/2021] [Accepted: 11/01/2021] [Indexed: 12/20/2022] Open
Abstract
Introduction In primary hyperoxaluria type 1 (PH1), oxalate overproduction frequently causes kidney stones, nephrocalcinosis, and kidney failure. As PH1 is caused by a congenital liver enzyme defect, combined liver–kidney transplantation (CLKT) has been recommended in patients with kidney failure. Nevertheless, systematic analyses on long-term transplantation outcomes are scarce. The merits of a sequential over combined procedure regarding kidney graft survival remain unclear as is the place of isolated kidney transplantation (KT) for patients with vitamin B6-responsive genotypes. Methods We used the OxalEurope registry for retrospective analyses of patients with PH1 who underwent transplantation. Analyses of crude Kaplan–Meier survival curves and adjusted relative hazards from the Cox proportional hazards model were performed. Results A total of 267 patients with PH1 underwent transplantation between 1978 and 2019. Data of 244 patients (159 CLKTs, 48 isolated KTs, 37 sequential liver–KTs [SLKTs]) were eligible for comparative analyses. Comparing CLKTs with isolated KTs, adjusted mortality was similar in patients with B6-unresponsive genotypes but lower after isolated KT in patients with B6-responsive genotypes (adjusted hazard ratio 0.07, 95% CI: 0.01–0.75, P = 0.028). CLKT yielded higher adjusted event-free survival and death-censored kidney graft survival in patients with B6-unresponsive genotypes (P = 0.025, P < 0.001) but not in patients with B6-responsive genotypes (P = 0.145, P = 0.421). Outcomes for 159 combined procedures versus 37 sequential procedures were comparable. There were 12 patients who underwent pre-emptive liver transplantation (PLT) with poor outcomes. Conclusion The CLKT or SLKT remains the preferred transplantation modality in patients with PH1 with B6-unresponsive genotypes, but isolated KT could be an alternative approach in patients with B6-responsive genotypes.
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6
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Benkirane M, Marelli C, Guissart C, Roubertie A, Ollagnon E, Choumert A, Fluchère F, Magne FO, Halleb Y, Renaud M, Larrieu L, Baux D, Patat O, Bousquet I, Ravel JM, Cuntz-Shadfar D, Sarret C, Ayrignac X, Rolland A, Morales R, Pointaux M, Lieutard-Haag C, Laurens B, Tillikete C, Bernard E, Mallaret M, Carra-Dallière C, Tranchant C, Meyer P, Damaj L, Pasquier L, Acquaviva C, Chaussenot A, Isidor B, Nguyen K, Camu W, Eusebio A, Carrière N, Riquet A, Thouvenot E, Gonzales V, Carme E, Attarian S, Odent S, Castrioto A, Ewenczyk C, Charles P, Kremer L, Sissaoui S, Bahi-Buisson N, Kaphan E, Degardin A, Doray B, Julia S, Remerand G, Fraix V, Haidar LA, Lazaro L, Laugel V, Villega F, Charlin C, Frismand S, Moreira MC, Witjas T, Francannet C, Walther-Louvier U, Fradin M, Chabrol B, Fluss J, Bieth E, Castelnovo G, Vergnet S, Meunier I, Verloes A, Brischoux-Boucher E, Coubes C, Geneviève D, Lebouc N, Azulay JP, Anheim M, Goizet C, Rivier F, Labauge P, Calvas P, Koenig M. High rate of hypomorphic variants as the cause of inherited ataxia and related diseases: study of a cohort of 366 families. Genet Med 2021; 23:2160-2170. [PMID: 34234304 DOI: 10.1038/s41436-021-01250-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 06/08/2021] [Accepted: 06/08/2021] [Indexed: 11/09/2022] Open
Abstract
PURPOSE Diagnosis of inherited ataxia and related diseases represents a real challenge given the tremendous heterogeneity and clinical overlap of the various causes. We evaluated the efficacy of molecular diagnosis of these diseases by sequencing a large cohort of undiagnosed families. METHODS We analyzed 366 unrelated consecutive patients with undiagnosed ataxia or related disorders by clinical exome-capture sequencing. In silico analysis was performed with an in-house pipeline that combines variant ranking and copy-number variant (CNV) searches. Variants were interpreted according to American College of Medical Genetics and Genomics/Association for Molecular Pathology (ACMG/AMP) guidelines. RESULTS We established the molecular diagnosis in 46% of the cases. We identified 35 mildly affected patients with causative variants in genes that are classically associated with severe presentations. These cases were explained by the occurrence of hypomorphic variants, but also rarely suspected mechanisms such as C-terminal truncations and translation reinitiation. CONCLUSION A significant fraction of the clinical heterogeneity and phenotypic overlap is explained by hypomorphic variants that are difficult to identify and not readily predicted. The hypomorphic C-terminal truncation and translation reinitiation mechanisms that we identified may only apply to few genes, as it relies on specific domain organization and alterations. We identified PEX10 and FASTKD2 as candidates for translation reinitiation accounting for mild disease presentation.
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Affiliation(s)
- Mehdi Benkirane
- PhyMedExp, Institut Universitaire de Recherche Clinique, UMR_CNRS-Université de Montpellier, INSERM, CHU de Montpellier, Montpellier, France
| | - Cecilia Marelli
- Expert Centre for Neurogenetic Diseases and Adult Mitochondrial and Metabolic Diseases, Department of Neurology, Gui de Chauliac Hospital, CHU de Montpellier; Molecular Mechanisms of Neurodegenerative Dementia (MMDN), EPHE, INSERM, Université de Montpellier, Montpellier, France
| | - Claire Guissart
- PhyMedExp, Institut Universitaire de Recherche Clinique, UMR_CNRS-Université de Montpellier, INSERM, CHU de Montpellier, Montpellier, France
| | - Agathe Roubertie
- Department of Pediatrics, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France.,INSERM, Institut des Neurosciences de Montpellier, Montpellier, France
| | - Elizabeth Ollagnon
- Department of Medical Genetics and Reference Centre for Neurological and Neuromuscular Diseases, Croix-Rousse Hospital, Lyon, France
| | - Ariane Choumert
- Department of Rare Neurological Diseases, CHU de la Réunion, Saint-Pierre, France
| | - Frédérique Fluchère
- Department of Neurology, La Timone Hospital, CHU de Marseille, Marseille, France
| | - Fabienne Ory Magne
- Department of Neurology, Purpan Hospital, CHU de Toulouse, Toulouse, France
| | - Yosra Halleb
- PhyMedExp, Institut Universitaire de Recherche Clinique, UMR_CNRS-Université de Montpellier, INSERM, CHU de Montpellier, Montpellier, France
| | - Mathilde Renaud
- Departments of Genetics and of Neurology, CHU de Nancy, Nancy, France
| | - Lise Larrieu
- PhyMedExp, Institut Universitaire de Recherche Clinique, UMR_CNRS-Université de Montpellier, INSERM, CHU de Montpellier, Montpellier, France
| | - David Baux
- PhyMedExp, Institut Universitaire de Recherche Clinique, UMR_CNRS-Université de Montpellier, INSERM, CHU de Montpellier, Montpellier, France
| | - Olivier Patat
- Department of Clinical Genetics, Purpan Hospital, CHU de Toulouse, Toulouse, France
| | - Idriss Bousquet
- Department of Medical Genetics and Reference Centre for Neurological and Neuromuscular Diseases, Croix-Rousse Hospital, Lyon, France
| | - Jean-Marie Ravel
- Departments of Genetics and of Neurology, CHU de Nancy, Nancy, France
| | - Danielle Cuntz-Shadfar
- Department of Pediatrics, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Catherine Sarret
- Department of Medical Genetics, Estaing Hospital, CHU de Clermont-Ferrand, Clermont-Ferrand, France
| | - Xavier Ayrignac
- Department of Neurology, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Anne Rolland
- Department of Pediatrics, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Raoul Morales
- Department of Neurology, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Morgane Pointaux
- PhyMedExp, Institut Universitaire de Recherche Clinique, UMR_CNRS-Université de Montpellier, INSERM, CHU de Montpellier, Montpellier, France
| | - Cathy Lieutard-Haag
- PhyMedExp, Institut Universitaire de Recherche Clinique, UMR_CNRS-Université de Montpellier, INSERM, CHU de Montpellier, Montpellier, France
| | - Brice Laurens
- Departement of Neurology, Groupe Hospitalier Pellegrin, CHU de Bordeaux, Institute for Neurodegenerative Diseases, CNRS-UMR, Université de Bordeaux, Bordeaux, France
| | - Caroline Tillikete
- Department of Neurology, Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, Bron, France
| | - Emilien Bernard
- Department of Neurology, Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, Bron, France.,Institut NeuroMyoGène, INSERM-CNRS-UMR, Université Claude Bernard, Lyon, France
| | - Martial Mallaret
- Department of Functional Explorations of the Nervous System, CHU de Grenoble, Grenoble, France
| | | | - Christine Tranchant
- Department of Neurology, Hautepierre Hospital, CHU de Strasbourg, Strasbourg, France
| | - Pierre Meyer
- Department of Pediatrics, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France.,PhyMedExp, INSERM, University of Montpellier, CNRS, Montpellier, France
| | - Lena Damaj
- Department of Clinical Genetics, Centre de Référence Maladies Rares Anomalies du Développement, CHU de Rennes, Rennes, France
| | - Laurent Pasquier
- Department of Clinical Genetics, Centre de Référence Maladies Rares Anomalies du Développement, CHU de Rennes, Rennes, France
| | - Cecile Acquaviva
- Department of Hereditary Metabolic Diseases, Centre de Biologie et Pathologie Est, CHU de Lyon et UMR, Bron, France
| | - Annabelle Chaussenot
- Department of Medical Genetics, National Centre for Mitochondrial Diseases, CHU de Nice, Nice, France
| | - Bertrand Isidor
- Department of Medical Genetics, CHU de Nantes, Nantes, France
| | - Karine Nguyen
- Department of Neurology, La Timone Hospital, CHU de Marseille, Marseille, France
| | - William Camu
- Department of Neurology, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Alexandre Eusebio
- Department of Neurology, La Timone Hospital, CHU de Marseille, Marseille, France
| | - Nicolas Carrière
- Department of Neurology, Roger Salengro Hospital, CHU de Lille, Lille, France
| | - Audrey Riquet
- Department of Pediatrics Neurology, Roger Salengro Hospital, CHU de Lille, Lille, France
| | | | - Victoria Gonzales
- Department of Neurology, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Emilie Carme
- Department of Pediatrics, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Shahram Attarian
- Department of Neurology, La Timone Hospital, CHU de Marseille, Marseille, France
| | - Sylvie Odent
- Department of Clinical Genetics, Centre de Référence Maladies Rares Anomalies du Développement, CHU de Rennes, Rennes, France
| | - Anna Castrioto
- Department of Functional Explorations of the Nervous System, CHU de Grenoble, Grenoble, France
| | - Claire Ewenczyk
- Neurogenetics Reference Centre, Hôpital de la Pitié-Salpêtrière, Assistance Publique- Hôpitaux de Paris (AP-HP), Paris, France
| | - Perrine Charles
- Neurogenetics Reference Centre, Hôpital de la Pitié-Salpêtrière, Assistance Publique- Hôpitaux de Paris (AP-HP), Paris, France
| | - Laurent Kremer
- Department of Neurology, La Timone Hospital, CHU de Marseille, Marseille, France
| | - Samira Sissaoui
- Department of Pediatrics, Hôpital Necker-Enfant Malades, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Nadia Bahi-Buisson
- Department of Pediatrics, Hôpital Necker-Enfant Malades, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Elsa Kaphan
- Department of Neurology, La Timone Hospital, CHU de Marseille, Marseille, France
| | - Adrian Degardin
- Department of Neurology, Roger Salengro Hospital, CHU de Lille, Lille, France
| | - Bérénice Doray
- Department of Medical Genetics, CHU de la Réunion, Saint-Denis, France
| | - Sophie Julia
- Department of Clinical Genetics, Purpan Hospital, CHU de Toulouse, Toulouse, France
| | - Ganaëlle Remerand
- Department of Neonatology, Estaing Hospital, CHU de Clermont-Ferrand, Clermont-Ferrand, France
| | - Valerie Fraix
- Department of Functional Explorations of the Nervous System, CHU de Grenoble, Grenoble, France
| | - Lydia Abou Haidar
- Department of Pediatrics, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Leila Lazaro
- Department of Pediatrics, CH de la Côte Basque-Bayonne, Bayonne, France
| | - Vincent Laugel
- Department of Pediatrics, Hautepierre Hospital, CHU de Strasbourg, Strasbourg, France
| | - Frederic Villega
- Department of Pediatrics, Groupe Hospitalier Pellegrin, CHU de Bordeaux; Institute for Interdisciplinary Neurosciences (IINS), CNRS -UMR, Université de Bordeaux, Bordeaux, France
| | - Cyril Charlin
- Department of Rare Neurological Diseases, CHU de la Réunion, Saint-Pierre, France
| | - Solène Frismand
- Departments of Genetics and of Neurology, CHU de Nancy, Nancy, France
| | - Marinha Costa Moreira
- Department of Pediatrics, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Tatiana Witjas
- Department of Neurology, La Timone Hospital, CHU de Marseille, Marseille, France
| | - Christine Francannet
- Department of Medical Genetics, Estaing Hospital, CHU de Clermont-Ferrand, Clermont-Ferrand, France
| | - Ulrike Walther-Louvier
- Department of Pediatrics, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Mélanie Fradin
- Department of Clinical Genetics, Centre de Référence Maladies Rares Anomalies du Développement, CHU de Rennes, Rennes, France
| | - Brigitte Chabrol
- Departement of Pediatrics, La Timone Hospital, CHU de Marseille, Marseille, France
| | - Joel Fluss
- Pediatric Neurology Unit, Geneva Children's Hospital, Genève, Switzerland
| | - Eric Bieth
- Department of Clinical Genetics, Purpan Hospital, CHU de Toulouse, Toulouse, France
| | | | - Sylvain Vergnet
- Departement of Neurology, Groupe Hospitalier Pellegrin, CHU de Bordeaux, Institute for Neurodegenerative Diseases, CNRS-UMR, Université de Bordeaux, Bordeaux, France
| | - Isabelle Meunier
- INSERM, Institut des Neurosciences de Montpellier, Montpellier, France.,Genetics of Sensory Diseases, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Alain Verloes
- Federation of Genetics, Hôpital Robert Debré, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Elise Brischoux-Boucher
- Department of Medical Genetics, Hôpital Saint-Jacques, CHU de Besançon, Centre de Génétique Humaine, Université de Franche-Comté, Besançon, France
| | - Christine Coubes
- Department of Medical Genetics, Arnaud de Villeneuve, CHU de Montpellier, Montpellier, France
| | - David Geneviève
- Department of Medical Genetics, Arnaud de Villeneuve, CHU de Montpellier, Montpellier, France
| | - Nicolas Lebouc
- Department of Neuroradiology, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Jean Phillipe Azulay
- Department of Neurology, La Timone Hospital, CHU de Marseille, Marseille, France
| | - Mathieu Anheim
- Department of Neurology, Hautepierre Hospital, CHU de Strasbourg, Strasbourg, France
| | - Cyril Goizet
- Department of Medical Genetics, Pellegrin Hospital, CHU de Bordeaux, Bordeaux, France
| | - François Rivier
- Department of Pediatrics, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France.,PhyMedExp, INSERM, University of Montpellier, CNRS, Montpellier, France
| | - Pierre Labauge
- Department of Neurology, Gui de Chauliac Hospital, CHU de Montpellier, Montpellier, France
| | - Patrick Calvas
- Department of Clinical Genetics, Purpan Hospital, CHU de Toulouse, Toulouse, France
| | - Michel Koenig
- PhyMedExp, Institut Universitaire de Recherche Clinique, UMR_CNRS-Université de Montpellier, INSERM, CHU de Montpellier, Montpellier, France.
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7
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Martin-Higueras C, Garrelfs SF, Groothoff JW, Jacob DE, Moochhala SH, Bacchetta J, Acquaviva C, Zaniew M, Sikora P, Beck BB, Hoppe B. A report from the European Hyperoxaluria Consortium (OxalEurope) Registry on a large cohort of patients with primary hyperoxaluria type 3. Kidney Int 2021; 100:621-635. [PMID: 33865885 DOI: 10.1016/j.kint.2021.03.031] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [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: 09/25/2020] [Revised: 03/04/2021] [Accepted: 03/11/2021] [Indexed: 01/01/2023]
Abstract
Outcome data in primary hyperoxaluria type 3 (PH3), described as a less severe form of the PH's with a low risk of chronic kidney disease, are scarce. To investigate this, we retrospectively analyzed the largest PH3 cohort reported so far. Of 95 patients, 74 were followed over a median of six years. Median age of first symptoms and diagnosis were 1.9 and 6.3 years, respectively. Urolithiasis was the major clinical feature observed in 70% of pediatric and 50% of adult patients. At most recent follow-up available for 56 of the 95 patients, 21.4% were in chronic kidney disease stages 2 or more. For better characterization, samples from 49 patients were analyzed in a single laboratory and compared to data from patients with PH1 and PH2 from the same center. Urinary oxalate excretion was not significantly different from PH1 and PH2 (median: 1.37, 1.40 and 1.16 mmol/1.73m2/24hours for PH1 not responsive to vitamin B6, PH2, and PH3, respectively) but was significantly higher than in vitamin B6 responsive patients with PH1. Urinary oxalate excretion did not correlate to stone production rate nor to estimated glomerular filtration rate. Normocitraturia was present even without alkalinisation treatment; hypercalciuria was found rarely. Median plasma oxalate was significantly different only to the vitamin B6-unresponsive PH1 group. Thus, PH3 is more comparable to PH1 and PH2 than so far inferred from smaller studies. It is the most favorable PH type, but not a benign entity as it constitutes an early onset, recurrent stone disease, and kidney function can be impaired.
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Affiliation(s)
- Cristina Martin-Higueras
- Department of Basic Medical Sciences, Institute of Biomedical Technologies, University of La Laguna, Centre for Biomedical Research in Rare Diseases (CIBERER), Tenerife, Spain
| | - Sander F Garrelfs
- Department of Pediatric Nephrology, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Jaap W Groothoff
- Department of Pediatric Nephrology, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Dorrit E Jacob
- Research School of Earth Sciences, ANU College of Science, The Australian National University, Canberra, Australia
| | - Shabbir H Moochhala
- University College London, Department of Renal Medicine, Royal Free Hospital, London, UK
| | - Justine Bacchetta
- Center of Reference for Rare Renal Diseases, Hospices Civils de Lyon, Centre Hospitalier Universitaire de Lyon, Bron, France
| | - Cecile Acquaviva
- Center of Reference for Rare Renal Diseases, Hospices Civils de Lyon, Centre Hospitalier Universitaire de Lyon, Bron, France
| | - Marcin Zaniew
- Department of Pediatrics, University of Zielona Góra, Zielona Góra, Poland
| | - Przymyslaw Sikora
- Department of Pediatric Nephrology, Medical University of Lublin, Lublin, Poland
| | - Bodo B Beck
- Department of Human Genetics, University Hospital Cologne, Cologne, Germany; Outpatient Clinics, German Hyperoxaluria Center, Cologne/Bonn, Germany; Center for Molecular Medicine, University Hospital, Cologne, Germany
| | - Bernd Hoppe
- Outpatient Clinics, German Hyperoxaluria Center, Cologne/Bonn, Germany.
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8
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Fragaki K, Chaussenot A, Serre V, Acquaviva C, Bannwarth S, Rouzier C, Chabrol B, Paquis-Flucklinger V. A novel variant m.8561C>T in the overlapping region of MT-ATP6 and MT-ATP8 in a child with early-onset severe neurological signs. Mol Genet Metab Rep 2019; 21:100543. [PMID: 31788426 PMCID: PMC6879992 DOI: 10.1016/j.ymgmr.2019.100543] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [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: 09/09/2019] [Revised: 11/12/2019] [Accepted: 11/12/2019] [Indexed: 12/29/2022] Open
Abstract
Among mitochondrial diseases, isolated complex V (CV) deficiency represents a rare cause of respiratory chain (RC) dysfunction. In mammalian mitochondrial DNA (mtDNA), MT-ATP6 partly overlaps with MT-ATP8 making double mutations possible, yet extremely rarely reported principally in patients with cardiomyopathy. Here, we report a novel m.8561 C>T substitution in the overlapping region of MT-ATP6 and MT-ATP8 in a child with early-onset ataxia, psychomotor delay and microcephaly, enlarging the clinical manifestations spectrum associated with CV deficiency.
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Key Words
- ADP, adenosine triphosphate
- ATP synthase
- ATP, adenosine triphosphate
- Ataxia
- BN-PAGE, Blue Native-PolyAcrylamide Gel Electrophoresis
- CV, complex V
- MRI, Magnetic resonance imaging
- Microcephaly
- Mitochondrial disorders
- NARP, Neuropathy, Ataxia, Retinitis Pigmentosa
- NGS, Next-generation sequencing
- OXPHOS, oxidative phosphorylation
- PCR, polymerase chain reaction
- PVDF, PolyVinyliDene Fluoride
- Psychomotor delay
- RC, respiratory chain
- RFLP, Restriction Fragment Length Polymorphism
- WT, wild-type
- mtDNA, mitochondrial DNA
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Affiliation(s)
| | | | - Valerie Serre
- UMR7592 CNRS, Institut Jacques Monod, Université Paris Diderot, Nice, France
| | - Cecile Acquaviva
- Department of Inborn Errors of Metabolism and Neonatal Screening, Center of Biology and Pathology Est CHU, Lyon Bron, France
| | | | - Cecile Rouzier
- Université Côte d'Azur, CHU, Inserm, CNRS, IRCAN, France
| | - Brigitte Chabrol
- Department of Neuropediatrics, Timone Hospital, CHU, Marseille, France
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9
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Olsen RKJ, Koňaříková E, Giancaspero TA, Mosegaard S, Boczonadi V, Mataković L, Veauville-Merllié A, Terrile C, Schwarzmayr T, Haack TB, Auranen M, Leone P, Galluccio M, Imbard A, Gutierrez-Rios P, Palmfeldt J, Graf E, Vianey-Saban C, Oppenheim M, Schiff M, Pichard S, Rigal O, Pyle A, Chinnery PF, Konstantopoulou V, Möslinger D, Feichtinger RG, Talim B, Topaloglu H, Coskun T, Gucer S, Botta A, Pegoraro E, Malena A, Vergani L, Mazzà D, Zollino M, Ghezzi D, Acquaviva C, Tyni T, Boneh A, Meitinger T, Strom TM, Gregersen N, Mayr JA, Horvath R, Barile M, Prokisch H. Riboflavin-Responsive and -Non-responsive Mutations in FAD Synthase Cause Multiple Acyl-CoA Dehydrogenase and Combined Respiratory-Chain Deficiency. Am J Hum Genet 2016; 98:1130-1145. [PMID: 27259049 PMCID: PMC4908180 DOI: 10.1016/j.ajhg.2016.04.006] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Accepted: 04/13/2016] [Indexed: 12/27/2022] Open
Abstract
Multiple acyl-CoA dehydrogenase deficiencies (MADDs) are a heterogeneous group of metabolic disorders with combined respiratory-chain deficiency and a neuromuscular phenotype. Despite recent advances in understanding the genetic basis of MADD, a number of cases remain unexplained. Here, we report clinically relevant variants in FLAD1, which encodes FAD synthase (FADS), as the cause of MADD and respiratory-chain dysfunction in nine individuals recruited from metabolic centers in six countries. In most individuals, we identified biallelic frameshift variants in the molybdopterin binding (MPTb) domain, located upstream of the FADS domain. Inasmuch as FADS is essential for cellular supply of FAD cofactors, the finding of biallelic frameshift variants was unexpected. Using RNA sequencing analysis combined with protein mass spectrometry, we discovered FLAD1 isoforms, which only encode the FADS domain. The existence of these isoforms might explain why affected individuals with biallelic FLAD1 frameshift variants still harbor substantial FADS activity. Another group of individuals with a milder phenotype responsive to riboflavin were shown to have single amino acid changes in the FADS domain. When produced in E. coli, these mutant FADS proteins resulted in impaired but detectable FADS activity; for one of the variant proteins, the addition of FAD significantly improved protein stability, arguing for a chaperone-like action similar to what has been reported in other riboflavin-responsive inborn errors of metabolism. In conclusion, our studies identify FLAD1 variants as a cause of potentially treatable inborn errors of metabolism manifesting with MADD and shed light on the mechanisms by which FADS ensures cellular FAD homeostasis.
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MESH Headings
- Adult
- Blotting, Western
- Case-Control Studies
- Cells, Cultured
- Electron Transport
- Female
- Fibroblasts/drug effects
- Fibroblasts/metabolism
- Fibroblasts/pathology
- Flavin-Adenine Dinucleotide/metabolism
- Frameshift Mutation/genetics
- Gene Expression Profiling
- Humans
- Infant
- Infant, Newborn
- Liver/drug effects
- Liver/metabolism
- Liver/pathology
- Male
- Mitochondrial Diseases/drug therapy
- Mitochondrial Diseases/genetics
- Mitochondrial Diseases/pathology
- Multiple Acyl Coenzyme A Dehydrogenase Deficiency/drug therapy
- Multiple Acyl Coenzyme A Dehydrogenase Deficiency/genetics
- Multiple Acyl Coenzyme A Dehydrogenase Deficiency/pathology
- Muscle, Skeletal/drug effects
- Muscle, Skeletal/metabolism
- Muscle, Skeletal/pathology
- Mutagenesis, Site-Directed
- Nucleotidyltransferases/genetics
- Protein Binding
- RNA, Messenger/genetics
- Real-Time Polymerase Chain Reaction
- Reverse Transcriptase Polymerase Chain Reaction
- Riboflavin/pharmacology
- Skin/drug effects
- Skin/metabolism
- Skin/pathology
- Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
- Vitamin B Complex/pharmacology
- Young Adult
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Affiliation(s)
- Rikke K J Olsen
- Research Unit for Molecular Medicine, Department of Clinical Medicine, Aarhus University and University Hospital, 8200 Aarhus N, Denmark.
| | - Eliška Koňaříková
- Institute of Human Genetics, Technische Universität München, 81675 Munich, Germany; Institute of Human Genetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany
| | - Teresa A Giancaspero
- Department of Biosciences, Biotechnology, and Biopharmaceutics, University of Bari Aldo Moro, 70125 Bari, Italy
| | - Signe Mosegaard
- Research Unit for Molecular Medicine, Department of Clinical Medicine, Aarhus University and University Hospital, 8200 Aarhus N, Denmark
| | - Veronika Boczonadi
- Wellcome Trust Centre for Mitochondrial Research, Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne NE1 3BZ, UK
| | - Lavinija Mataković
- Department of Paediatrics, Paracelsus Medical University, SALK Salzburg, 5020 Salzburg, Austria
| | - Alice Veauville-Merllié
- Service Maladies Héréditaires du Métabolisme et Dépistage Néonatal, Centre de Biologie et Pathologie Est, Centre Hospitalier Universitaire Lyon, 69500 Bron, France
| | - Caterina Terrile
- Institute of Human Genetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany
| | - Thomas Schwarzmayr
- Institute of Human Genetics, Technische Universität München, 81675 Munich, Germany; Institute of Human Genetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany
| | - Tobias B Haack
- Institute of Human Genetics, Technische Universität München, 81675 Munich, Germany; Institute of Human Genetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany
| | - Mari Auranen
- Clinical Neurosciences, Neurology, University of Helsinki and Helsinki University Hospital, 340 Helsinki, Finland
| | - Piero Leone
- Department of Biosciences, Biotechnology, and Biopharmaceutics, University of Bari Aldo Moro, 70125 Bari, Italy
| | - Michele Galluccio
- Department DiBEST (Biology, Ecology, and Earth Sciences), University of Calabria, 87036 Arcavacata di Rende, Italy
| | - Apolline Imbard
- Biochemistry Hormonology Laboratory, Robert-Debré Hospital, 75019 Paris, France; Pharmacy Faculty, Paris Sud University, 92019 Chatenay-Malabry, France
| | - Purificacion Gutierrez-Rios
- Wellcome Trust Centre for Mitochondrial Research, Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne NE1 3BZ, UK; Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide, 41013 Seville, Spain
| | - Johan Palmfeldt
- Research Unit for Molecular Medicine, Department of Clinical Medicine, Aarhus University and University Hospital, 8200 Aarhus N, Denmark
| | - Elisabeth Graf
- Institute of Human Genetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany
| | - Christine Vianey-Saban
- Service Maladies Héréditaires du Métabolisme et Dépistage Néonatal, Centre de Biologie et Pathologie Est, Centre Hospitalier Universitaire Lyon, 69500 Bron, France
| | - Marcus Oppenheim
- Neurometabolic Unit, National Hospital for Neurology and Neurosurgery, London WCIN 3BG, UK
| | - Manuel Schiff
- INSERM UMR 1141, Hôpital Robert Debré, 75019 Paris, France; Reference Center for Inherited Metabolic Diseases, Robert-Debré Hospital, Assistance Publique - Hôpitaux de Paris, 75019 Paris, France; Faculté de Médecine Denis Diderot, Université Paris Diderot (Paris 7), 75013 Paris, France
| | - Samia Pichard
- Reference Center for Inherited Metabolic Diseases, Robert-Debré Hospital, Assistance Publique - Hôpitaux de Paris, 75019 Paris, France
| | - Odile Rigal
- Biochemistry Hormonology Laboratory, Robert-Debré Hospital, 75019 Paris, France
| | - Angela Pyle
- Wellcome Trust Centre for Mitochondrial Research, Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne NE1 3BZ, UK
| | - Patrick F Chinnery
- Wellcome Trust Centre for Mitochondrial Research, Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne NE1 3BZ, UK; Department of Clinical Neurosciences, Cambridge Biomedical Campus, University of Cambridge, Cambridge CB2 0QQ, UK
| | | | - Dorothea Möslinger
- Department of Pediatrics, Medical University of Vienna, 1090 Vienna, Austria
| | - René G Feichtinger
- Department of Paediatrics, Paracelsus Medical University, SALK Salzburg, 5020 Salzburg, Austria
| | - Beril Talim
- Pathology Unit, Department of Pediatrics, Hacettepe University Children's Hospital, 06100 Ankara, Turkey
| | - Haluk Topaloglu
- Neurology Unit, Department of Pediatrics, Hacettepe University Children's Hospital, 06100 Ankara, Turkey
| | - Turgay Coskun
- Metabolism Unit, Department of Pediatrics, Hacettepe University Children's Hospital, 06100 Ankara, Turkey
| | - Safak Gucer
- Pathology Unit, Department of Pediatrics, Hacettepe University Children's Hospital, 06100 Ankara, Turkey
| | - Annalisa Botta
- Medical Genetics Section, Department of Biomedicine and Prevention, Tor Vergata University of Rome, 00133 Rome, Italy
| | - Elena Pegoraro
- Neuromuscular Center, Department of Neurosciences, University of Padova, 35129 Padova, Italy
| | - Adriana Malena
- Neuromuscular Center, Department of Neurosciences, University of Padova, 35129 Padova, Italy
| | - Lodovica Vergani
- Neuromuscular Center, Department of Neurosciences, University of Padova, 35129 Padova, Italy
| | - Daniela Mazzà
- Italy Institute of Medical Genetics, Catholic University of Roma, 00168 Rome, Italy
| | - Marcella Zollino
- Italy Institute of Medical Genetics, Catholic University of Roma, 00168 Rome, Italy
| | - Daniele Ghezzi
- Molecular Neurogenetics Unit, Foundation IRCCS Neurological Institute C. Besta, 20126 Milan, Italy
| | - Cecile Acquaviva
- Service Maladies Héréditaires du Métabolisme et Dépistage Néonatal, Centre de Biologie et Pathologie Est, Centre Hospitalier Universitaire Lyon, 69500 Bron, France
| | - Tiina Tyni
- Department of Pediatric Neurology, Hospital for Children and Adolescence, Helsinki University Central Hospital, 280 Helsinki, Finland
| | - Avihu Boneh
- Murdoch Childrens Research Institute and University of Melbourne, Melbourne, VIC 3010, Australia
| | - Thomas Meitinger
- Institute of Human Genetics, Technische Universität München, 81675 Munich, Germany; Institute of Human Genetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany
| | - Tim M Strom
- Institute of Human Genetics, Technische Universität München, 81675 Munich, Germany; Institute of Human Genetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany
| | - Niels Gregersen
- Research Unit for Molecular Medicine, Department of Clinical Medicine, Aarhus University and University Hospital, 8200 Aarhus N, Denmark
| | - Johannes A Mayr
- Department of Paediatrics, Paracelsus Medical University, SALK Salzburg, 5020 Salzburg, Austria
| | - Rita Horvath
- Wellcome Trust Centre for Mitochondrial Research, Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne NE1 3BZ, UK
| | - Maria Barile
- Department of Biosciences, Biotechnology, and Biopharmaceutics, University of Bari Aldo Moro, 70125 Bari, Italy.
| | - Holger Prokisch
- Institute of Human Genetics, Technische Universität München, 81675 Munich, Germany; Institute of Human Genetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany
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10
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Durousset C, Gay C, Magnin S, Acquaviva C, Patural H. Encéphalopathie néonatale grave liée à un défaut d’activité de la sulfite-oxydase par déficit en cofacteur molybdène. Arch Pediatr 2016; 23:292-6. [DOI: 10.1016/j.arcped.2015.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2015] [Revised: 10/16/2015] [Accepted: 12/04/2015] [Indexed: 10/22/2022]
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11
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Sala PR, Ruijter G, Acquaviva C, Chabli A, de Sain-van der Velden MGM, Garcia-Villoria J, Heiner-Fokkema MR, Jeannesson-Thivisol E, Leckstrom K, Franzson L, Lynes G, Olesen J, Onkenhout W, Petrou P, Drousiotou A, Ribes A, Vianey-Saban C, Merinero B. Pilot Experience with an External Quality Assurance Scheme for Acylcarnitines in Plasma/Serum. JIMD Rep 2016; 30:23-31. [PMID: 26898293 DOI: 10.1007/8904_2016_533] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 12/17/2015] [Accepted: 12/18/2015] [Indexed: 10/22/2022] Open
Abstract
The analysis of acylcarnitines (AC) in plasma/serum is established as a useful test for the biochemical diagnosis and the monitoring of treatment of organic acidurias and fatty acid oxidation defects. External quality assurance (EQA) for qualitative and quantitative AC is offered by ERNDIM and CDC in dried blood spots but not in plasma/serum samples. A pilot interlaboratory comparison between 14 European laboratories was performed over 3 years using serum/plasma samples from patients with an established diagnosis of an organic aciduria or fatty acid oxidation defect. Twenty-three different samples with a short clinical description were circulated. Participants were asked to specify the method used to analyze diagnostic AC, to give quantitative data for diagnostic AC with the corresponding reference values, possible diagnosis, and advice for further investigations.Although the reference and pathological concentrations of AC varied among laboratories, elevated marker AC for propionic acidemia, isovaleric acidemia, medium-chain acyl-CoA dehydrogenase, very long-chain acyl-CoA dehydrogenase, and multiple acyl-CoA dehydrogenase deficiencies were correctly identified by all participants allowing the diagnosis of these diseases. Conversely, the increased concentrations of dicarboxylic AC were not always identified, and therefore the correct diagnosis was not reach by some participants, as exemplified in cases of malonic aciduria and 3-hydroxy-3-methylglutaryl-CoA lyase deficiency. Misinterpretation occurred in those laboratories that used multiple-reaction monitoring acquisition mode, did not derivatize, or did not separate isomers. However, some of these laboratories suggested further analyses to clarify the diagnosis.This pilot experience highlights the importance of an EQA scheme for AC in plasma.
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Affiliation(s)
- P Ruiz Sala
- Centro de Diagnóstico de Enfermedades Moleculares, Universidad Autónoma de Madrid, IDIPAZ, CIBER de Enfermedades Raras, 28049, Madrid, Spain
| | - G Ruijter
- Department of Clinical Genetics, Erasmus Medical Centre, Rotterdam, The Netherlands
| | - C Acquaviva
- Service Maladies Héréditaires du Métabolisme, Centre de Biologie et Pathologie Est, Lyon, France
| | - A Chabli
- Biochimie métabolomique et protéomique, Hopital Necker Enfants Malades, Paris, France
| | | | - J Garcia-Villoria
- Department of Biochemistry and Molecular Genetics, Div Inborn Errors Metab, Hospital Clinic, IDIBAPS, CIBERER, Barcelona, Spain
| | - M R Heiner-Fokkema
- Department of Laboratory Medicine, University Medical Centre Groningen, Groningen, The Netherlands
| | - E Jeannesson-Thivisol
- Service de Biochimie et Biologie Moléculaire, CHU de Nancy, Vandoeuvre-Nancy, France
| | - K Leckstrom
- Department Clinical Chemistry, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - L Franzson
- Department of Genetics and Molecular Medicine, Landspitali, Reykjavik, Iceland
| | - G Lynes
- Neurometabolic Unit, National Hospital for Neurology and Neurosurgery, London, UK
| | - J Olesen
- Department of Clinical Genetics, Copenhagen University Hospital, Copenhagen, Denmark
| | - W Onkenhout
- Department of Clinical Chemistry and Laboratory Medicine, Leiden University Medical Centre, Leiden, The Netherlands
| | - P Petrou
- Department of Biochemical Genetics, The Cyprus Institute of Neurology and Genetics, Nicosia, Cyprus
| | - A Drousiotou
- Department of Biochemical Genetics, The Cyprus Institute of Neurology and Genetics, Nicosia, Cyprus
| | - A Ribes
- Department of Biochemistry and Molecular Genetics, Div Inborn Errors Metab, Hospital Clinic, IDIBAPS, CIBERER, Barcelona, Spain
| | - C Vianey-Saban
- Service Maladies Héréditaires du Métabolisme, Centre de Biologie et Pathologie Est, Lyon, France
| | - B Merinero
- Centro de Diagnóstico de Enfermedades Moleculares, Universidad Autónoma de Madrid, IDIPAZ, CIBER de Enfermedades Raras, 28049, Madrid, Spain.
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12
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Capel F, Pinel A, Acquaviva C, Pitois E, Rigaudière JP, Laillet B, Morio B. P155: Le DHA restore la sensibilité musculaire à l’insuline en inhibant l’activation de la PKC-theta par les céramides. NUTR CLIN METAB 2014. [DOI: 10.1016/s0985-0562(14)70797-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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13
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Esteban-Mader M, Diot E, Acquaviva C, Tilikete C, Vighetto A, Biotti D. Un cas de leucoencéphalopathie métabolique de l’adulte, subaiguë, sévère... mais traitable ! L’homocystéine est la clé ! Rev Neurol (Paris) 2014. [DOI: 10.1016/j.neurol.2014.01.363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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14
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Tort F, Ferrer-Cortès X, Thió M, Navarro-Sastre A, Matalonga L, Quintana E, Bujan N, Arias A, García-Villoria J, Acquaviva C, Vianey-Saban C, Artuch R, García-Cazorla À, Briones P, Ribes A. Mutations in the lipoyltransferase LIPT1 gene cause a fatal disease associated with a specific lipoylation defect of the 2-ketoacid dehydrogenase complexes. Hum Mol Genet 2013; 23:1907-15. [PMID: 24256811 DOI: 10.1093/hmg/ddt585] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Cofactor disorders of mitochondrial energy metabolism are a heterogeneous group of diseases with a wide variety of clinical symptoms, particular metabolic profiles and variable enzymatic defects. Mutations in NFU1, BOLA3, LIAS and IBA57 have been identified in patients with deficient lipoic acid-dependent enzymatic activities and defects in the assembly and activity of the mitochondrial respiratory chain complexes. Here, we report a patient with an early onset fatal lactic acidosis presenting a biochemical phenotype compatible with a combined defect of pyruvate dehydrogenase (PDHC) and 2-ketoglutarate dehydrogenase (2-KGDH) activities, which suggested a deficiency in lipoic acid metabolism. Immunostaining analysis showed that lipoylated E2-PDH and E2-KGDH were extremely reduced in this patient. However, the absence of glycine elevation, the normal activity of the glycine cleavage system and the normal lipoylation of the H protein suggested a defect of lipoic acid transfer to particular proteins rather than a general impairment of lipoic acid biosynthesis as the potential cause of the disease. By analogy with yeast metabolism, we postulated LIPT1 as the altered candidate gene causing the disease. Sequence analysis of the human LIPT1 identified two heterozygous missense mutations (c.212C>T and c.292C>G), segregating in different alleles. Functional complementation experiments in patient's fibroblasts demonstrated that these mutations are disease-causing and that LIPT1 protein is required for lipoylation and activation of 2-ketoacid dehydrogenases in humans. These findings expand the spectrum of genetic defects associated with lipoic acid metabolism and provide the first evidence of a lipoic acid transfer defect in humans.
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Affiliation(s)
- Frederic Tort
- Secció d'Errors Congènits del Metabolisme, Servei de Bioquímica i Genètica Molecular, Hospital Clinic, IDIBAPS, C/Mejía Lequerica s/n, Barcelona 08028, Spain
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15
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16
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Boutron A, Acquaviva C, Vianey-Saban C, de Lonlay P, de Baulny HO, Guffon N, Dobbelaere D, Feillet F, Labarthe F, Lamireau D, Cano A, de Villemeur TB, Munnich A, Saudubray JM, Rabier D, Rigal O, Brivet M. Comprehensive cDNA study and quantitative analysis of mutant HADHA and HADHB transcripts in a French cohort of 52 patients with mitochondrial trifunctional protein deficiency. Mol Genet Metab 2011; 103:341-8. [PMID: 21549624 DOI: 10.1016/j.ymgme.2011.04.006] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2011] [Revised: 04/13/2011] [Accepted: 04/13/2011] [Indexed: 11/18/2022]
Abstract
BACKGROUND Deficiency of mitochondrial trifunctional protein (MTP) is caused by mutations in the HADHA and HADHB genes, which have been mostly delineated at the genomic DNA level and have not been always elucidated. AIM To identify mutations in a French cohort of 52 MTP deficient patients and the susceptibility of mutations generating premature termination codons (PTCs) to the nonsense mRNA mediated decay (NMD). METHODS Mutation screening in fibroblasts was performed at the cDNA level and real-time RT-PCR was used to compare the levels of the different PTC-bearing mRNAs before and after a treatment of fibroblasts by emetine, a translation inhibitor. RESULTS A mutation detection rate of 100% was achieved. A total of 22 novel mutations were identified, including a large-sized genomic deletion in HADHB gene. A high proportion of all identified mutations were non-sense, frameshift and splicing mutations, generating (PTCs), distributed essentially on HADHA coding regions. We could demonstrate that the majority of mutations resulting in PTCs conform to the established rules governing the susceptibility to NMD. CONCLUSION Our results emphasize the value of cDNA analysis in the characterization of HADHA and HADHB mutations and further strengthen the model of haploinsufficiency as a major pathomechanism in MTP defects.
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Affiliation(s)
- A Boutron
- Biochimie, Hopital de Bicêtre, Hôpitaux Universitaires Paris-Sud, APHP, Paris, France
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17
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Williams EL, Acquaviva C, Amoroso A, Chevalier F, Coulter-Mackie M, Monico CG, Giachino D, Owen T, Robbiano A, Salido E, Waterham H, Rumsby G. Primary hyperoxaluria type 1: update and additional mutation analysis of the AGXT gene. Hum Mutat 2009; 30:910-7. [PMID: 19479957 DOI: 10.1002/humu.21021] [Citation(s) in RCA: 125] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Primary hyperoxaluria type 1 (PH1) is an autosomal recessive, inherited disorder of glyoxylate metabolism arising from a deficiency of the alanine:glyoxylate aminotransferase (AGT) enzyme, encoded by the AGXT gene. The disease is manifested by excessive endogenous oxalate production, which leads to impaired renal function and associated morbidity. At least 146 mutations have now been described, 50 of which are newly reported here. The mutations, which occur along the length of the AGXT gene, are predominantly single-nucleotide substitutions (75%), 73 are missense, 19 nonsense, and 18 splice mutations; but 36 major and minor deletions and insertions are also included. There is little association of mutation with ethnicity, the most obvious exception being the p.Ile244Thr mutation, which appears to have North African/Spanish origins. A common, polymorphic variant encoding leucine at codon 11, the so-called minor allele, has significantly lower catalytic activity in vitro, and has a higher frequency in PH1 compared to the rest of the population. This polymorphism influences enzyme targeting in the presence of the most common Gly170Arg mutation and potentiates the effect of several other pathological sequence variants. This review discusses the spectrum of AGXT mutations and polymorphisms, their clinical significance, and their diagnostic relevance.
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Affiliation(s)
- Emma L Williams
- Clinical Biochemistry, University College London (UCL) Hospitals National Health Service (NHS) Trust, London, UK
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18
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Dumont A, Acquaviva C. Le sentiment d’efficacité personnelle dans la gestion de la douleur chronique : approche sociocognitive. ACTA ACUST UNITED AC 2007. [DOI: 10.1016/s1155-1704(07)73243-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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19
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Christiann F, Clere F, Soriot V, Acquaviva C, Henry F, Lefebvre B, Perriot M, Serra E. 990 ORGANISATION OF 2 FRENCH LOCAL PAIN MANAGEMENT UNITS. Eur J Pain 2006. [DOI: 10.1016/s1090-3801(06)60993-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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20
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Cavé H, Acquaviva C, Bièche I, Brault D, de Fraipont F, Fina F, Loric S, Maisonneuve L, Namour F, Tuffery S. [RT-PCR in clinical diagnosis]. Ann Biol Clin (Paris) 2003; 61:635-44. [PMID: 14711604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
Application fields of RT-PCR (reverse transcription-polymerase chain reaction) in clinical diagnosis comprises the assessment of viral load for RNA viruses and the analysis of gene transcription products. RT-PCR is also helpful when large genes have to be sequenced. Developments of quantitative approaches using real-time PCR recently led to a major widening of RT-PCR applications in clinical diagnosis. However, RT reaction is delicate due to its lack of reproducibility and to RNA lability and frequent contamination by DNA. In some cases additional difficulties come from the need to obtain a specific amplification in the presence of homologous sequences which might be present in higher amounts than the sequence of interest. These caveats have to be taken into account, when designing the RT protocol, and when choosing PCR primers and internal and/or external references. This review is aimed at helping the experimental setup of a RT-PCR based assay according to the objectives.
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Affiliation(s)
- H Cavé
- Laboratoire de biochimie génétique, Fédération de génétique, Hôpital Robert Debré (AP-HP), 48, boulevard Sérurier, 75019 Paris.
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21
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Acquaviva C, Duval M, Mirebeau D, Bertin R, Cavé H. Quantitative analysis of chimerism after allogeneic stem cell transplantation by PCR amplification of microsatellite markers and capillary electrophoresis with fluorescence detection: the Paris-Robert Debré experience. Leukemia 2003; 17:241-6. [PMID: 12529687 DOI: 10.1038/sj.leu.2402762] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2001] [Accepted: 07/24/2002] [Indexed: 11/09/2022]
Affiliation(s)
- C Acquaviva
- Laboratoire de Biochimie Génétique, Hôpital Robert Debré, Paris, France
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22
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Acquaviva C, Brockly F, Ferrara P, Bossis G, Salvat C, Jariel-Encontre I, Piechaczyk M. Identification of a C-terminal tripeptide motif involved in the control of rapid proteasomal degradation of c-Fos proto-oncoprotein during the G(0)-to-S phase transition. Oncogene 2001; 20:7563-72. [PMID: 11709728 DOI: 10.1038/sj.onc.1204880] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2001] [Revised: 07/25/2001] [Accepted: 08/01/2001] [Indexed: 11/09/2022]
Abstract
c-Fos proto-oncoprotein is rapidly and transiently expressed in cells undergoing the G(0)-to-S phase transition in response to stimulation for growth by serum. Under these conditions, the rapid decay of the protein occurring after induction is accounted for by efficient recognition and degradation by the proteasome. PEST motifs are sequences rich in Pro, Glu, Asp, Ser and Thr which have been proposed to constitute protein instability determinants. c-Fos contains three such motifs, one of which comprises the C-terminal 20 amino acids and has already been proposed to be the major determinant of c-Fos instability. Using site-directed mutagenesis and an expression system reproducing c-fos gene transient expression in transfected cells, we have analysed the turnover of c-Fos mutants deleted of the various PEST sequences in synchronized mouse embryo fibroblasts. Our data showed no role for the two internal PEST motifs in c-Fos instability. However, deletion of the C-terminal PEST region led to only a twofold stabilization of the protein. Taken together, these data indicate that c-Fos instability during the G0-to-S phase transition is governed by a major non-PEST destabilizer and a C-terminal degradation-accelerating element. Further dissection of c-Fos C-terminal region showed that the degradation-accelerating effect is not contributed by the whole PEST sequence but by a short PTL tripeptide which cannot be considered as a PEST motif and which can act in the absence of any PEST environment. Interestingly, the PTL motif is conserved in other members of the fos multigene family. Nevertheless, its contribution to protein instability is restricted to c-Fos suggesting that the mechanisms whereby the various Fos proteins are broken down are, at least partially, different. MAP kinases-mediated phosphorylation of two serines close to PTL, which are both phosphorylated all over the G(0)-to-S phase transition, have been proposed by others to stabilize c-Fos protein significantly. We, however, showed that the PTL motif does not exert its effect by counteracting a stabilizing effect of these phosphorylations under our experimental conditions.
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Affiliation(s)
- C Acquaviva
- Institute of Molecular Genetics, UMR5535/IFR24, CNRS, 1919, route de Mende, 34293-Montpellier Cedex 05, France
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23
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Acquaviva C, Benoist JF, Callebaut I, Guffon N, Ogier de Baulny H, Touati G, Aydin A, Porquet D, Elion J. N219Y, a new frequent mutation among mut(degree) forms of methylmalonic acidemia in Caucasian patients. Eur J Hum Genet 2001; 9:577-82. [PMID: 11528502 DOI: 10.1038/sj.ejhg.5200675] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2000] [Revised: 03/13/2001] [Accepted: 05/02/2001] [Indexed: 11/09/2022] Open
Abstract
Mutations in the MUT locus encoding for the methylmalonyl-CoA mutase (MCM) apoenzyme are responsible for the mut forms of methylmalonic acidemia (MMA). To date, 49 different mutations have been identified in mut MMA. Only two frequent mutations have been reported in the Japanese population and in African-Americans. Here we report a new missense mutation N219Y (731 A-->T) which we found in five unrelated families of French and Turkish descent. All the patients exhibited a severe mut(degree) phenotype and three of them were homozygotes for N219Y. Direct involvement of the mutation in the loss of enzyme activity was demonstrated by mutagenesis and transient expression study. Mapping of the mutation onto a three-dimensional model of human MCM constructed by homology with the Propionibacterium shermanii enzyme shows that it lies in a highly conserved secondary structure motif and might suggest impaired folding and/or poor stability compatible with the mut(degree) phenotype. Finally, a 1% N219Y carrier frequency was observed in a French anonymous control population. Thus, N219Y is the first frequent mut mutation to be reported in the Caucasian population.
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Affiliation(s)
- C Acquaviva
- Service de Biochimie-Génétique/INSERM U458, Assistance Publique-Hôpitaux de Paris, Hôpital Robert Debré, Paris, France
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24
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Abstract
c-Fos proto-oncoprotein is a short-lived transcription factor with oncogenic potential. We have shown that it is massively degraded by the proteasome in vivo under various experimental conditions. Other proteolytic systems including lysosomes and calpains, might, however, also marginally operate on it. Although there is evidence that c-Fos can be ubiquitinylated in vitro, the unambiguous demonstration that ubiquitinylation is necessary for its addressing to the proteasome in vivo is still lacking. c-Jun, one of the main dimerization partners of c-Fos within the AP-1 transcription complex, is also an unstable protein. Its degradation is clearly proteasome- and ubiquitin-dependent in vivo. Interestingly, several lines of evidence indicate that the addressing of c-Fos and c-Jun to the proteasome is, at least in part, governed by different mechanisms. c-Fos has been transduced by two murine osteosarcomatogenic retroviruses under mutated forms which are more stable and more oncogenic. The stabilization is not simply accounted for by simple deletion of c-Fos main destabilizer but, rather, by a complex balance between opposing destabilizing and stabilizing mutations. Though mutations in viral Fos proteins confer full resistance to proteasomal degradation, stabilization is limited because mutations also entail sensitivity to an unidentified proteolytic system. This observation is consistent with the idea that Fos-expressing viruses have evolved to ensure control protein levels to avoid high protein accumulation-linked apoptosis. In conclusion, the unveiling of the complex mechanism network responsible for the degradation of AP-1 family members is still at its beginning and a number of issues regarding the regulation of this process and the addressing to the proteasome are still unresolved.
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Affiliation(s)
- C Acquaviva
- Institut de Génétique Moléculaire de Montpellier, UMR5535/IFR24, 1919, Montpellier, France
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25
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Acquaviva C, Salvat C, Brockly F, Bossis G, Ferrara P, Piechaczyk M, Jariel-Encontre I. Cellular and viral Fos proteins are degraded by different proteolytic systems. Oncogene 2001; 20:942-50. [PMID: 11314029 DOI: 10.1038/sj.onc.1204155] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2000] [Revised: 11/24/2000] [Accepted: 12/07/2000] [Indexed: 01/23/2023]
Abstract
c-Fos proto-oncoprotein is a short-lived transcription factor degraded by the proteasome in vivo. Its mutated forms expressed by the mouse osteosarcomatogenic retroviruses, FBJ-MSV and FBR-MSV, are stabilized two- and threefold, respectively. To elucidate the mechanisms underlying v-Fos(FBJ) and v-Fos(FBR) protein stabilization, we conducted a genetic analysis in which the half-lives and the sensitivities to various cell-permeable protease inhibitors of a variety of cellular and viral protein mutants were measured. Our data showed that the decreased degradation of v-Fos(FBJ) and v-Fos(FBR) is not simply explained by the deletion of a c-Fos destabilizing C-terminal domain. Rather, it involves a complex balance between opposing destabilizing and stabilizing mutations which are distinct and which include virally-introduced peptide motifs in both cases. The mutations in viral Fos proteins conferred both total insensitivity to proteasomal degradation and sensitivity to another proteolytic system not naturally operating on c-Fos, explaining the limited stabilization of the two proteins. This observation is consistent with the idea that FBR-MSV and FBJ-MSV expression machineries have evolved to ensure controlled protein levels. Importantly, our data illustrate that the degradation of unstable proteins does not necessarily involve the proteasome and provide support to the notion that highly related proteins can be broken down by different proteolytic systems in living cells.
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Affiliation(s)
- C Acquaviva
- Institut de Génétique Moléculaire/UMR5535 /IFR24, CNRS, 1919, route de Mende, 34293-Montpellier Cedex 05-France
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26
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Benoist JF, Acquaviva C, Callebaut I, Guffon N, Ogier de Baulny H, Mornon JP, Porquet D, Elion J. Molecular and structural analysis of two novel mutations in a patient with mut(-) methylmalonyl-CoA deficiency. Mol Genet Metab 2001; 72:181-4. [PMID: 11161845 DOI: 10.1006/mgme.2000.3122] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Inherited defects in the gene encoding the methylmalonyl-CoA mutase (MCM) result in the mut forms of methylmalonic aciduria (MMA). Twelve mutations have been identified associated with the mut(-) phenotype. We report two novel mutations (K621N and D156N) in a compound heterozygote mut(-) patient. These two mutations and three previously published ones (H627N, A191E, Y231N) were mapped onto a three-dimensional homology model of the human MCM constructed from the crystal structure of the Propionibacterium shermanii enzyme.
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Affiliation(s)
- J F Benoist
- Service de Biochimie-Hormonologie, Assitanace Publique-Hôpitaux de Paris, Hôpital Robert Debré, 48 Bd Sérurier, 75019 Paris, France.
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27
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Denamur E, Lecointre G, Darlu P, Tenaillon O, Acquaviva C, Sayada C, Sunjevaric I, Rothstein R, Elion J, Taddei F, Radman M, Matic I. Evolutionary implications of the frequent horizontal transfer of mismatch repair genes. Cell 2000; 103:711-21. [PMID: 11114328 DOI: 10.1016/s0092-8674(00)00175-6] [Citation(s) in RCA: 197] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Mutation and subsequent recombination events create genetic diversity, which is subjected to natural selection. Bacterial mismatch repair (MMR) deficient mutants, exhibiting high mutation and homologous recombination rates, are frequently found in natural populations. Therefore, we have explored the possibility that MMR deficiency emerging in nature has left some "imprint" in the sequence of bacterial genomes. Comparative molecular phylogeny of MMR genes from natural Escherichia coli isolates shows that, compared to housekeeping genes, individual functional MMR genes exhibit high sequence mosaicism derived from diverse phylogenetic lineages. This apparent horizontal gene transfer correlates with hyperrecombination phenotype of MMR-deficient mutators. The sequence mosaicism of MMR genes may be a hallmark of a mechanism of adaptive evolution that involves modulation of mutation and recombination rates by recurrent losses and reacquisitions of MMR gene functions.
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Affiliation(s)
- E Denamur
- INSERM U 458 Hôpital Robert Debré 48 boulevard Sérurier 75935 Cedex 19, Paris, France
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28
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Salvat C, Acquaviva C, Scheffner M, Robbins I, Piechaczyk M, Jariel-Encontre I. Molecular characterization of the thermosensitive E1 ubiquitin-activating enzyme cell mutant A31N-ts20. Requirements upon different levels of E1 for the ubiquitination/degradation of the various protein substrates in vivo. Eur J Biochem 2000; 267:3712-22. [PMID: 10848989 DOI: 10.1046/j.1432-1327.2000.01404.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
According to our current knowledge, protein ubiquitination involves three steps: activation of ubiquitin through formation of an energy-rich bond with an E1 ubiquitin-activating enzyme; and transfer of activated ubiquitin onto E2 ubiquitin-conjugating enzymes, which, in turn, alone, or in combination with E3 ubiquitin-protein ligase enzymes, transfer ubiquitin onto target proteins. A31N-ts20 cells are mouse embryo fibroblasts, thermosensitive for E1. We show here that: (a) the enzymatic activity of the enzyme is heat-inactivatable in vitro; and (b) a major mechanism responsible for E1 inactivation in vivo consists of accelerated destruction. Surprisingly, a >90% reduction in E1 abundance little alters the formation of the bulk of protein-ubiquitin conjugates when A31N-ts20 cells are grown at the nonpermissive temperature, indicating that cautious interpretation of results is required when studying ubiquitination of specific substrates using this cell line. Surprisingly, our data also indicate that, in vivo, ubiquitination of the various protein substrates in A31N-ts20 cells requires different amounts of E1, indicating that this mutant cell line can be used for unveiling the existence of differences in the intimate mechanisms responsible for the ubiquitination of the various cell proteins in vivo, and for providing criteria of reliability when developing in vitro ubiquitination assays for specific proteins.
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Affiliation(s)
- C Salvat
- Institut de Génétique Moléculaire, CNRS, Montpellier, France
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29
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Salvat C, Jariel-Encontre I, Acquaviva C, Omura S, Piechaczyk M. Differential directing of c-Fos and c-Jun proteins to the proteasome in serum-stimulated mouse embryo fibroblasts. Oncogene 1998; 17:327-37. [PMID: 9690514 DOI: 10.1038/sj.onc.1201922] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
c-Fos and c-Jun proteins are highly unstable transcription factors that heterodimerize within the AP-1 transcription complex. Their accumulation is transiently induced at the beginning of the G0-to-S phase transition in quiescent cells stimulated for growth. To address the mechanisms responsible for rapid clearance of c-Fos and c-Jun proteins under these experimental conditions, we have used the ts20 mouse embryo fibroblasts which express a thermosensitive mutant of the E1 enzyme of the ubiquitin pathway. The use of cell-permeant protease inhibitors indicates that both proteins are degraded by the proteasome and excludes any major contribution for calpains and lysosomes during the G0-to-S phase transition. Synchronisation of ts20 cells at the non permissive temperature blocks the degradation of c-Jun, indicating that this process is E1-dependent. In contrast, c-Fos is broken down according to an apparently E1-independent pathway in ts20 cells, although a role for ubiquitinylation in this process cannot be formally ruled out. Interestingly, c-Jun is highly unstable in c-Fos-null mouse embryo fibroblasts stimulated for growth. Taken together, these observations show that in vivo during a G0-to-S phase transition (i) the precise mechanisms triggering c-Fos and c-Jun directing to the proteasome are not identical, (ii) the presence of c-Fos is not an absolute prerequisite for the degradation of c-Jun and (iii) the degradation of c-Jun is not required for that of c-Fos.
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Affiliation(s)
- C Salvat
- Institut de Génétique Moléculaire, UMR5535, CNRS-1919, Montpellier, France
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Briant L, Robert-Hebmann V, Acquaviva C, Pelchen-Matthews A, Marsh M, Devaux C. The protein tyrosine kinase p56lck is required for triggering NF-kappaB activation upon interaction of human immunodeficiency virus type 1 envelope glycoprotein gp120 with cell surface CD4. J Virol 1998; 72:6207-14. [PMID: 9621091 PMCID: PMC110439 DOI: 10.1128/jvi.72.7.6207-6214.1998] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
We have previously shown that NF-kappaB nuclear translocation can be observed upon human immunodeficiency virus type 1 (HIV-1) binding to cells expressing the wild-type CD4 molecule, but not in cells expressing a truncated form of CD4 that lacks the cytoplasmic domain (M. Benkirane, K.-T. Jeang, and C. Devaux, EMBO J. 13:5559-5569, 1994). This result indicated that the signaling cascade which controls HIV-1-induced NF-kappaB activation requires the integrity of the CD4 cytoplasmic tail and suggested the involvement of a second protein that binds to this portion of the molecule. Here we investigate the putative role of p56(lck) as a possible cellular intermediate in this signal transduction pathway. Using human cervical carcinoma HeLa cells stably expressing CD4, p56(lck), or both molecules, we provide direct evidence that expression of CD4 and p56(lck) is required for HIV-1-induced NF-kappaB translocation. Moreover, the fact that HIV-1 stimulation did not induce nuclear translocation of NF-kappaB in cells expressing a mutant form of CD4 at position 420 (C420A) and the wild-type p56(lck) indicates the requirement for a functional CD4-p56(lck) complex.
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Affiliation(s)
- L Briant
- Laboratoire Infections Rétrovirales et Signalisation Cellulaire, CRBM-CNRS UPR 1086, Institut de Biologie, Montpellier, France
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Abstract
c-fos and c-jun proto-oncogenes have originally been found in mutated forms in murine and avian oncogenic retroviruses. They both define multigenic families of transcription factors. Both c-jun and c-fos proteins are metabolically unstable. In vivo and in vitro work by various groups suggests that multiple proteolytic machineries, including the lysosomes, the proteasome and the ubiquitous calpains, may participate in the destruction of c-fos and c-jun. The relative contribution of each pathway is far from being known and it cannot be excluded that it varies according to the cell context and/or the physiological conditions. It has been demonstrated that, in certain occurrences, the degradation of both c-fos and c-jun by the proteasome in vivo involves the ubiquitin pathway. However, the possibility that proteasomal degradation can also occur in a manner independent of the E1 enzyme of the ubiquitin cycle remains an open issue.
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Affiliation(s)
- I Jariel-Encontre
- Institute of Molecular Genetics, UMR 5535, CNRS, Montpellier, France
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