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1. A human immune dysregulation syndrome characterized by severe hyperinflammation with a homozygous nonsense Roquin-1 mutation

Author

Tavernier, S. J., Athanasopoulos, V., Verloo, P., Behrens, G., Staal, J., Bogaert, D. J., Naesens, L., De Bruyne, M., Van Gassen, S., Parthoens, E., Ellyard, J., Cappello, J., Morris, L. X., Van Gorp, H., Van Isterdael, G., Saeys, Y., Lamkanfi, M., Schelstraete, P., Dehoorne, J., Bordon, V., Van Coster, R., Lambrecht, B. N., Menten, B., Beyaert, R., Vinuesa, C. G., Heissmeyer, V., Dullaers, M., and Haerynck, F.

Published
2019
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3. Safety, tolerability and pharmacokinetics of eteplirsen in young boys aged 6–48 months with Duchenne muscular dystrophy amenable to exon 51 skipping

Author

Mercuri, Eugenio Maria, Seferian, A. M., Servais, L., Deconinck, N., Stevenson, H., Ni, X., Zhang, W., East, L., Yonren, S., Muntoni, F., Van Coster, R., Vanlander, A., Seferian, A., De Lucia, Sara Sofia, Gidaro, T., Brande, L. V., Kirschner, J., Borell, S., Brogna, Claudia, Pane, Marika, Fanelli, L., Norcia, G., Brusa, C., Chesshyre, M., Maresh, K., Pitchforth, J., Schottlaender, L., Scoto, M., Silwal, A., Trucco, F., Mercuri E. (ORCID:0000-0002-9851-5365), De Lucia S., Brogna C., Pane M. (ORCID:0000-0002-4851-6124), Mercuri, Eugenio Maria, Seferian, A. M., Servais, L., Deconinck, N., Stevenson, H., Ni, X., Zhang, W., East, L., Yonren, S., Muntoni, F., Van Coster, R., Vanlander, A., Seferian, A., De Lucia, Sara Sofia, Gidaro, T., Brande, L. V., Kirschner, J., Borell, S., Brogna, Claudia, Pane, Marika, Fanelli, L., Norcia, G., Brusa, C., Chesshyre, M., Maresh, K., Pitchforth, J., Schottlaender, L., Scoto, M., Silwal, A., Trucco, F., Mercuri E. (ORCID:0000-0002-9851-5365), De Lucia S., Brogna C., and Pane M. (ORCID:0000-0002-4851-6124)

Abstract

Eteplirsen is FDA-approved for the treatment of Duchenne muscular dystrophy (DMD) in exon 51 skip-amenable patients. Previous studies in boys > 4 years of age indicate eteplirsen is well tolerated and attenuates pulmonary and ambulatory decline compared with matched natural history cohorts. Here the safety, tolerability and pharmacokinetics of eteplirsen in boys aged 6–48 months is evaluated. In this open-label, multicenter, dose-escalation study (NCT03218995), boys with a confirmed mutation of the DMD gene amenable to exon 51 skipping (Cohort 1: aged 24–48 months, n = 9; Cohort 2: aged 6 to < 24 months, n = 6) received ascending doses (2, 4, 10, 20, 30 mg/kg) of once-weekly eteplirsen intravenously over 10 weeks, continuing at 30 mg/kg up to 96 weeks. Endpoints included safety (primary) and pharmacokinetics (secondary). All 15 participants completed the study. Eteplirsen was well tolerated with no treatment-related discontinuations, deaths or evidence of kidney toxicity. Most treatment-emergent adverse events were mild; most common were pyrexia, cough, nasopharyngitis, vomiting, and diarrhea. Eteplirsen pharmacokinetics were consistent between both cohorts and with previous clinical experience in boys with DMD > 4 years of age. These data support the safety and tolerability of eteplirsen at the approved 30-mg/kg dose in boys as young as 6 months old.

Published
2023

4. Author Correction: A human immune dysregulation syndrome characterized by severe hyperinflammation with a homozygous nonsense Roquin-1 mutation

Author

Tavernier, S. J., Athanasopoulos, V., Verloo, P., Behrens, G., Staal, J., Bogaert, D. J., Naesens, L., De Bruyne, M., Van Gassen, S., Parthoens, E., Ellyard, J., Cappello, J., Morris, L. X., Van Gorp, H., Van Isterdael, G., Saeys, Y., Lamkanfi, M., Schelstraete, P., Dehoorne, J., Bordon, V., Van Coster, R., Lambrecht, B. N., Menten, B., Beyaert, R., Vinuesa, C. G., Heissmeyer, V., Dullaers, M., and Haerynck, F.

Published
2019
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5. Diagnosing pediatric mitochondrial disease: lessons from 2,000 exomes

Author

Husain Ra, Thomas Meitinger, Wilichowski E, Robert Kopajtich, Smirnov D, Ewa Pronicka, Christine Makowski, Elżbieta Ciara, Michael Wagner, Felix Distelmaier, René Santer, Olsen R, Wolstein T, Theresa Brunet, Muller-Felber W, Buchner B, Wolfgang Sperl, Maja Hempel, Stefan Kölker, Dominic Lenz, Sarah L. Stenton, Saskia B. Wortmann, Leiz S, Kei Murayama, Munoz-Pujol G, Konstantopoulou, Xu M, Tobias B. Haack, Tim M. Strom, Riccardo Berutti, Tsygankova P, Lim Az, Daniele Ghezzi, Robert McFarland, Deen D, Kotzaeridou U, Daniela Karall, Ardissone A, Charlotte L. Alston, Markus Schuelke, Thomas Klopstock, Peter Freisinger, Robert W. Taylor, Ban R, Verloo P, van Coster R, Shimura M, Agnès Rötig, Dariusz Rokicki, Yepez, Mandel H, Akira Ohtake, Angela Pyle, Yasushi Okazaki, Mirjana Gusic, Antonia Ribes, Costanza Lamperti, Fang F, Holger Prokisch, von Kleist-Retzow J, Ivo Barić, Julien Gagneur, Bader Alhaddad, Dorota Piekutowska-Abramczuk, Johannes A. Mayr, Michael Zech, Frederic Tort, and Schiff M

Subjects
0303 health sciences, business.industry, Mitochondrial disease, Precision medicine, medicine.disease, Bioinformatics, Phenotype, 3. Good health, Clinical trial, 03 medical and health sciences, 0302 clinical medicine, medicine, Functional studies, business, Gene, Mitochondrial protein, 030217 neurology & neurosurgery, Exome sequencing, 030304 developmental biology
Abstract

BackgroundThe spectrum of mitochondrial disease is genetically and phenotypically diverse, resulting from pathogenic variants in over 400 genes, with aerobic energy metabolism defects as a common denominator. Such heterogeneity poses a significant challenge in making an accurate diagnosis, critical for precision medicine.MethodsIn an international collaboration initiated by the European Network for Mitochondrial Diseases (GENOMIT) we recruited 2,023 pediatric patients at 11 specialist referral centers between October 2010 and January 2021, accumulating exome sequencing and HPO-encoded phenotype data. An exome-wide search for variants in known and potential novel disease genes, complemented by functional studies, followed ACMG guidelines.Results1,109 cases (55%) received a molecular diagnosis, of which one fifth have potential disease-modifying treatments (236/1,109, 21%). Functional studies enabled diagnostic uplift from 36% to 55% and discovery of 62 novel disease genes. Pathogenic variants were identified within genes encoding mitochondrial proteins or RNAs in 801 cases (72%), while, given extensive phenotype overlap, the remainder involved proteins targeted to other cellular compartments. To delineate genotype-phenotype associations, our data was complemented with registry and literature data to develop “GENOMITexplorer”, an open access resource detailing patient- (n=3,940), gene- (n=427), and variant-level (n=1,492) associations (prokischlab.github.io/GENOMITexplorer/).ConclusionsReaching a molecular diagnosis was essential for implementation of precision medicine and clinical trial eligibility, underlining the need for genome-wide screening given inability to accurately define mitochondrial diseases clinically. Key to diagnostic success were functional studies, encouraging early acquisition of patient- derived tissues and routine integration of high-throughput functional data to improve patient care by uplifting diagnostic rate.

Published
2021

7. Progressive myoclonic epilepsy as an adult-onset manifestation of Leigh syndrome due to m.14487T>C

Author

Dermaut, B., Seneca, S., Dom, L., Smets, K., Ceulemans, L., Smet, J., De Paepe, B., Tousseyn, S., Weckhuysen, S., Gewillig, M., Pals, P., Parizel, P., De Bleecker, J.L., Boon, P., De Meirleir, L., De Jonghe, P., Van Coster, R., Van Paesschen, W., and Santens, P.

Subjects
Leigh disease -- Genetic aspects, Leigh disease -- Research, Myoclonic epilepsy -- Genetic aspects, Myoclonic epilepsy -- Research, Mitochondrial DNA -- Research, Gene mutations -- Research, Health, Psychology and mental health
Published
2010

8. Leukoencephalopathy with brainstem and spinal cord involvement and lactate elevation: clinical and genetic characterization and target for therapy

Author

van Berge, Laura, Hamilton, Eline M., Linnankivi, Tarja, Uziel, Graziella, Steenweg, Marjan E., Isohanni, Pirjo, Wolf, Nicole I., Krägeloh-Mann, Ingeborg, Brautaset, Nils J., Andrews, P. Ian, de Jong, Brigit A., al Ghamdi, Malak, van Wieringen, Wessel N., Tannous, Bakhos A., Hulleman, Esther, Würdinger, Thomas, van Berkel, Carola G. M., Polder, Emiel, Abbink, Truus E. M., Struys, Eduard A., Scheper, Gert C., van der Knaap, Marjo S., Alehan, F., Appleton, R.E., Boltshauser, E., Brockmann, K., Calado, E., Carius, A., de Coo, I.F.M., van Coster, R., El-Zind, S., Erturk, O., Fadeeva, L., Feigenbaum, A., Gökben, S., Gorman, M., Gulati, S., Hnĕvsová, P., Joost, K., Köhler, W., Kolk, A, Kristoferitsch, W., Lemos Silveira, E., Lin, J., Lutz, S., Mendonça, C., Nuttin, C., Opladen, T., Savoiardo, M., Schiffmann, R., Seitz, A., Serkov, S., Sharma, S., Stockler, S., Temple, I.K., Uluc, K., Vojta, S., Wilms, G., Wong, B., and Yapici, Z.

Published
2014
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9. Immunohistochemical analysis of the oxidative phosphorylation complexes in skeletal muscle from patients with mitochondrial DNA encoded tRNA gene defects

Author

Paepe, B. De, Smet, J., Lammens, M., Seneca, S., Martin, J.-J., De Bleecker, J., De Meirleir, L., Lissens, W., and Van Coster, R.

Subjects
Immunohistochemistry -- Analysis, Oxidative phosphorylation -- Analysis, Oxidative phosphorylation -- Genetic aspects, Muscles -- Research, Muscles -- Genetic aspects, DNA -- Research, DNA -- Physiological aspects, Health
Published
2009

10. Mild myopathic phenotype in a patient with homozygous c.416C > T mutation in TK2 gene

Author

Papadimas, G.K. Vargiami, E. Dragoumi, P. van Coster, R. Smet, J. Seneca, S. Papadopoulos, C. Kararizou, E. Zafeiriou, D.

Abstract

The mitochondrial DNA depletion syndrome (MDDS) is characterized by extensive phenotypic variability and is due to nuclear gene mutations resulting in reduced mtDNA copy number. Thymidine kinase 2 (TK2) mutations are well known to be associated with MDDS. Few severely affected cases carrying the c.416C > T mutation in TK2 gene have been described so far. We describe the case of a 14months boy with the aforementioned TK2 gene pathogenic mutation at a homozygous state, presenting with a mild clinical phenotype. In addition to severe mitochondrial pathology on muscle biopsy, there was also histochemical evidence of adenylate deaminase deficiency. Overall, this report serves to further expand the clinical spectrum of TK2 mutations associated with MDDS. © Gaetano Conte Academy - Mediterranean Society of Myology

Published
2020

18. A human immune dysregulation syndrome characterized by severe hyperinflammation with a homozygous nonsense Roquin-1 mutation

Author

Tavernier, SJ, Athanasopoulos, V, Verloo, P, Behrens, G, Staal, J, Bogaert, DJ, Naesens, L, de Bruyne, M, Van Gassen, S, Parthoens, E, Ellyard, J, Cappello, J, Morris, LX, Van Gorp, H, Van Isterdael, G, Saeys, Y, Lamkanfi, M, Schelstraete, P, Dehoorne, J, Bordon, V, Van Coster, R, Lambrecht, Bart, Menten, B, Beyaert, R, Vinuesa, CG, Heissmeyer, V, Dullaers, M, Haerynck, F, Tavernier, SJ, Athanasopoulos, V, Verloo, P, Behrens, G, Staal, J, Bogaert, DJ, Naesens, L, de Bruyne, M, Van Gassen, S, Parthoens, E, Ellyard, J, Cappello, J, Morris, LX, Van Gorp, H, Van Isterdael, G, Saeys, Y, Lamkanfi, M, Schelstraete, P, Dehoorne, J, Bordon, V, Van Coster, R, Lambrecht, Bart, Menten, B, Beyaert, R, Vinuesa, CG, Heissmeyer, V, Dullaers, M, and Haerynck, F

Published
2019

23. Quantifying activity changes of neuromuscular patients using the ACTIVLIM questionnaire: a 5-years longitudinal study

Author

Bleyenheuft, C., Goemans, N., Wanyama, S., Van Damme, P., De Bleecker, J., Van Coster, R., De Jonghe, P., Beysen, D., Van den Bergh, P., Paquay, S., Servais, L., de Noordhout, A. Maertens, Haan, J., De Meirleir, L., Remiche, G., Deconinck, N., Arnould, C., Faculty of Medicine and Pharmacy, Pediatrics, Clinical sciences, Neurogenetics, and Reproduction and Genetics

Published
2018

24. Comparative analysis of different nuclear transfer techniques to prevent the transmission of mitochondrial DNA variants

Author

Tang, M, primary, Guggilla, R R, additional, Gansemans, Y, additional, Van der Jeught, M, additional, Boel, A, additional, Popovic, M, additional, Stamatiadis, P, additional, Ferrer-Buitrago, M, additional, Thys, V, additional, Van Coster, R, additional, Deforce, D, additional, De Sutter, P, additional, Van Nieuwerburgh, F, additional, and Heindryckx, B, additional

Published
2019
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25. Clinical, biochemical and genetic spectrum of 70 patients with ACAD9 deficiency: Is riboflavin supplementation effective?

Author

Repp, B, Mastantuono, E, Alston, C, Schiff, M, Haack, T, Rötig, A, Ardissone, A, Lombès, A, Catarino, C, Diodato, D, Schottmann, G, Poulton, J, Burlina, A, Jonckheere, A, Munnich, A, Rolinski, B, Ghezzi, D, Rokicki, D, Wellesley, D, Martinelli, D, Wenhong, D, Lamantea, E, Ostergaard, E, Pronicka, E, Pierre, G, Smeets, H, Wittig, I, Scurr, I, De Coo, I, Moroni, I, Smet, J, Mayr, J, Dai, L, De Meirleir, L, Schuelke, M, Zeviani, M, Morscher, R, Mcfarland, R, Seneca, S, Klopstock, T, Meitinger, T, Wieland, T, Strom, T, Herberg, U, Ahting, U, Sperl, W, Nassogne, M, Ling, H, Fang, F, Freisinger, P, Van Coster, R, Strecker, V, Taylor, R, Häberle, J, Vockley, J, Prokisch, H, Wortmann, S, Repp, Birgit M., Mastantuono, Elisa, Alston, Charlotte L., Schiff, Manuel, Haack, Tobias B., Rötig, Agnes, Ardissone, Anna, Lombès, Anne, Catarino, Claudia B., Diodato, Daria, Schottmann, Gudrun, Poulton, Joanna, Burlina, Alberto, Jonckheere, An, Munnich, Arnold, Rolinski, Boris, Ghezzi, Daniele, Rokicki, Dariusz, Wellesley, Diana, Martinelli, Diego, Wenhong, Ding, Lamantea, Eleonora, Ostergaard, Elsebet, Pronicka, Ewa, Pierre, Germaine, Smeets, Hubert J. M., Wittig, Ilka, Scurr, Ingrid, De Coo, Irenaeus F. M., Moroni, Isabella, Smet, Joél, Mayr, Johannes A., Dai, Lifang, De Meirleir, Linda, Schuelke, Markus, Zeviani, Massimo, Morscher, Raphael J., McFarland, Robert, Seneca, Sara, Klopstock, Thomas, Meitinger, Thomas, Wieland, Thomas, Strom, Tim M., Herberg, Ulrike, Ahting, Uwe, Sperl, Wolfgang, Nassogne, Marie-Cecile, Ling, Han, Fang, Fang, Freisinger, Peter, Van Coster, Rudy, Strecker, Valentina, Taylor, Robert W., Häberle, Johannes, Vockley, Jerry, Prokisch, Holger, Wortmann, Saskia, Repp, B, Mastantuono, E, Alston, C, Schiff, M, Haack, T, Rötig, A, Ardissone, A, Lombès, A, Catarino, C, Diodato, D, Schottmann, G, Poulton, J, Burlina, A, Jonckheere, A, Munnich, A, Rolinski, B, Ghezzi, D, Rokicki, D, Wellesley, D, Martinelli, D, Wenhong, D, Lamantea, E, Ostergaard, E, Pronicka, E, Pierre, G, Smeets, H, Wittig, I, Scurr, I, De Coo, I, Moroni, I, Smet, J, Mayr, J, Dai, L, De Meirleir, L, Schuelke, M, Zeviani, M, Morscher, R, Mcfarland, R, Seneca, S, Klopstock, T, Meitinger, T, Wieland, T, Strom, T, Herberg, U, Ahting, U, Sperl, W, Nassogne, M, Ling, H, Fang, F, Freisinger, P, Van Coster, R, Strecker, V, Taylor, R, Häberle, J, Vockley, J, Prokisch, H, Wortmann, S, Repp, Birgit M., Mastantuono, Elisa, Alston, Charlotte L., Schiff, Manuel, Haack, Tobias B., Rötig, Agnes, Ardissone, Anna, Lombès, Anne, Catarino, Claudia B., Diodato, Daria, Schottmann, Gudrun, Poulton, Joanna, Burlina, Alberto, Jonckheere, An, Munnich, Arnold, Rolinski, Boris, Ghezzi, Daniele, Rokicki, Dariusz, Wellesley, Diana, Martinelli, Diego, Wenhong, Ding, Lamantea, Eleonora, Ostergaard, Elsebet, Pronicka, Ewa, Pierre, Germaine, Smeets, Hubert J. M., Wittig, Ilka, Scurr, Ingrid, De Coo, Irenaeus F. M., Moroni, Isabella, Smet, Joél, Mayr, Johannes A., Dai, Lifang, De Meirleir, Linda, Schuelke, Markus, Zeviani, Massimo, Morscher, Raphael J., McFarland, Robert, Seneca, Sara, Klopstock, Thomas, Meitinger, Thomas, Wieland, Thomas, Strom, Tim M., Herberg, Ulrike, Ahting, Uwe, Sperl, Wolfgang, Nassogne, Marie-Cecile, Ling, Han, Fang, Fang, Freisinger, Peter, Van Coster, Rudy, Strecker, Valentina, Taylor, Robert W., Häberle, Johannes, Vockley, Jerry, Prokisch, Holger, and Wortmann, Saskia

Abstract

Background: Mitochondrial acyl-CoA dehydrogenase family member 9 (ACAD9) is essential for the assembly of mitochondrial respiratory chain complex I. Disease causing biallelic variants in ACAD9 have been reported in individuals presenting with lactic acidosis and cardiomyopathy. Results: We describe the genetic, clinical and biochemical findings in a cohort of 70 patients, of whom 29 previously unpublished. We found 34 known and 18 previously unreported variants in ACAD9. No patients harbored biallelic loss of function mutations, indicating that this combination is unlikely to be compatible with life. Causal pathogenic variants were distributed throughout the entire gene, and there was no obvious genotype-phenotype correlation. Most of the patients presented in the first year of life. For this subgroup the survival was poor (50% not surviving the first 2 years) comparing to patients with a later presentation (more than 90% surviving 10 years). The most common clinical findings were cardiomyopathy (85%), muscular weakness (75%) and exercise intolerance (72%). Interestingly, severe intellectual deficits were only reported in one patient and severe developmental delays in four patients. More than 70% of the patients were able to perform the same activities of daily living when compared to peers. Conclusions: Our data show that riboflavin treatment improves complex I activity in the majority of patient-derived fibroblasts tested. This effect was also reported for most of the treated patients and is mirrored in the survival data. In the patient group with disease-onset below 1 year of age, we observed a statistically-significant better survival for patients treated with riboflavin.

Published
2018

26. Clinical, biochemical and genetic spectrum of 70 patients with ACAD9 deficiency: is riboflavin supplementation effective?

Author

Repp, BM, Mastantuono, E, Alston, CL, Schiff, M, Haack, TB, Rotig, A, Ardissone, A, Lombes, A, Catarino, CB, Diodato, D, Schottmann, G, Poulton, J, Burlina, A, Jonckheere, A, Munnich, A, Rolinski, B, Ghezzi, D, Rokicki, D, Wellesley, D, Martinelli, D, Ding, WH, Lamantea, E, Ostergaard, E, Pronicka, E, Pierre, G, Smeets, HJM, Wittig, I, Scurr, I, Coo, IFM, Moroni, I, Smet, J, Mayr, JA, Dai, LF, de Meirleir, L, Schuelke, M, Zeviani, M, Morscher, RJ, McFarland, R, Seneca, S, Klopstock, T, Meitinger, T, Wieland, T, Strom, TM, Herberg, U, Ahting, U, Sperl, W, Nassogne, MC, Ling, H, Fang, F, Freisinger, P, Van Coster, R, Strecker, V, Taylor, RW, Haberle, J, Vockley, J, Prokisch, H, Wortmann, S, Repp, BM, Mastantuono, E, Alston, CL, Schiff, M, Haack, TB, Rotig, A, Ardissone, A, Lombes, A, Catarino, CB, Diodato, D, Schottmann, G, Poulton, J, Burlina, A, Jonckheere, A, Munnich, A, Rolinski, B, Ghezzi, D, Rokicki, D, Wellesley, D, Martinelli, D, Ding, WH, Lamantea, E, Ostergaard, E, Pronicka, E, Pierre, G, Smeets, HJM, Wittig, I, Scurr, I, Coo, IFM, Moroni, I, Smet, J, Mayr, JA, Dai, LF, de Meirleir, L, Schuelke, M, Zeviani, M, Morscher, RJ, McFarland, R, Seneca, S, Klopstock, T, Meitinger, T, Wieland, T, Strom, TM, Herberg, U, Ahting, U, Sperl, W, Nassogne, MC, Ling, H, Fang, F, Freisinger, P, Van Coster, R, Strecker, V, Taylor, RW, Haberle, J, Vockley, J, Prokisch, H, and Wortmann, S

Published
2018

27. REGISTRIES AND CARE OF NEUROMUSCULAR DISORDERS

Author

Bleyenheuft, C., primary, Goemans, N., additional, Wanyama, S., additional, Van Damme, P., additional, De Bleecker, J., additional, Van Coster, R., additional, De Jonghe, P., additional, Beysen, D., additional, Van den Bergh, P., additional, Paquay, S., additional, Servais, L., additional, Maertens de Noordhout, A., additional, Haan, J., additional, De Meirleir, L., additional, Remiche, G., additional, Deconinck, N., additional, and Arnould, C., additional

Published
2018
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28. Quantifying the changes in activity level of neuromuscular patients using the ACTIVLIM questionnaire: A 5-years study

Author

Bleyenheuft, C., primary, Wanyama, S., additional, Van Damme, P., additional, Goemans, N., additional, De Bleecker, J., additional, Van Coster, R., additional, De Jonghe, P., additional, Beysen, D., additional, Van den Bergh, P., additional, Paquay, S., additional, Servais, L., additional, Maertens de Noordhout, A., additional, Haan, J., additional, De Meirleir, L., additional, Remiche, G., additional, Deconinck, N., additional, and Arnould, C., additional

Published
2018
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36. Database crossing allows better understanding of neuromuscular disorders epidemiology: The Belgian example

Author

Bleyenheuft, C., primary, Van Damme, P., additional, Goemans, N., additional, De Bleecker, J., additional, Van Coster, R., additional, De Jonghe, P., additional, Beysen, D., additional, Van den Bergh, P., additional, Christiaens, F., additional, Maertens de Noordhout, A., additional, Haan, J., additional, De Meirleir, L., additional, Remiche, G., additional, Deconinck, N., additional, Depuijdt, E., additional, and Servais, L., additional

Published
2016
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38. Phenotypic spectrum and prevalence of INPP5E mutations in Joubert Syndrome and related disorders

Author

Lorena, Travaglini, Francesco, Brancati, Jennifer, Silhavy, Miriam, Iannicelli, Elizabeth, Nickerson, Nadia, Elkhartoufi, Eric, Scott, Emily, Spencer, Stacey, Gabriel, Sophie, Thomas, Bruria, Ben Zeev, Enrico, Bertini, Eugen, Boltshauser, Malika, Chaouch, Maria, Roberta Cilio, Mirjam, M. de Jong, Hulya, Kayserili, Gonul, Ogur, Andrea, Poretti, Sabrina, Signorini, Graziella, Uziel, Maha, S. Zaki, Ali Pacha, L, Zankl, A, Leventer, R, Grattan Smith, P, Janecke, A, Koch, J, Freilinger, M, D'Hooghe, M, Sznajer, Y, Vilain, C, Van Coster, R, Demerleir, L, Dias, K, Moco, C, Moreira, A, Ae Kim, C, Maegawa, G, Dakovic, I, Loncarevic, D, Mejaski Bosnjak, V, Petkovic, D, Abdel Salam GM, Abdel Aleem, A, Marti, I, Pinard, Jm, Quijano Roy, S, Sigaudy, S, de Lonlay, P, Romano, S, Verloes, A, Touraine, R, Koenig, M, Dollfus, H, Flori, E, Fradin, M, Lagier Tourenne, C, Messer, J, Collignon, P, Penzien, Jm, Bussmann, C, Merkenschlager, A, Philippi, H, Kurlemann, G, Grundmann, K, Dacou Voutetakis, C, Kitsiou Tzeli, S, Pons, R, Jerney, J, Halldorsson, S, Johannsdottir, J, Ludvigsson, P, Phadke, Sr, Girisha, Km, Doshi, H, Udani, V, Kaul, M, Stuart, B, Magee, A, Spiegel, R, Shalev, S, Mandel, H, Lev, D, Michelson, M, Idit, M, Ben Zeev, B, Gershoni Baruch, R, Ficcadenti, A, Fischetto, R, Gentile, M, Della Monica, M, Pezzani, M, Graziano, C, Seri, M, Benedicenti, F, Stanzial, F, Borgatti, R, Romaniello, R, Accorsi, P, Battaglia, S, Fazzi, E, Giordano, L, Pinelli, L, Boccone, L, Barone, R, Sorge, G, Briatore, E, Bigoni, S, Ferlini, A, Donati, Ma, Biancheri, R, Caridi, G, Divizia, Mt, Faravelli, F, Ghiggeri, G, Mirabelli, M, Pessagno, A, Rossi, A, Uliana, V, Amorini, M, Briguglio, M, Briuglia, S, Salpietro, Cd, Tortorella, G, Adami, A, Bonati, Mt, Castorina, P, D'Arrigo, S, Lalatta, F, Marra, G, Moroni, I, Pantaleoni, C, Riva, D, Scelsa, B, Spaccini, L, Del Giudice, E, Ludwig, K, Permunian, A, Suppiej, A, Macaluso, C, Pichiecchio, A, Battini, R, Di Giacomo, M, Priolo, M, Timpani, P, Pagani, G, Di Sabato ML, Emma, F, Leuzzi, V, Mancini, F, Majore, S, Micalizzi, A, Parisi, P, Romani, M, Stringini, G, Zanni, G, Ulgheri, L, Pollazzon, M, Renieri, Alessandra, Belligni, E, Grosso, E, Pieri, I, Silengo, M, Devescovi, R, Greco, D, Romano, C, Cazzagon, M, Simonati, A, Al Tawari AA, Bastaki, L, Mégarbané, A, Sabolic Avramovska, V, Said, E, Stromme, P, Koul, R, Rajab, A, Azam, M, Barbot, C, Salih, Ma, Tabarki, B, Jocic Jakubi, B, Martorell Sampol, L, Rodriguez, B, Pascual Castroviejo, I, Gener, B, Puschmann, A, Starck, L, Capone, A, Lemke, J, Fluss, J, Niedrist, D, Hennekam, Rc, Wolf, N, Gouider Khouja, N, Kraoua, I, Ceylaner, S, Teber, S, Akgul, M, Anlar, B, Comu, S, Kayserili, H, Yüksel, A, Akcakus, M, Caglayan, Ao, Aldemir, O, Al Gazali, L, Sztriha, L, Nicholl, D, Woods, Cg, Bennett, C, Hurst, J, Sheridan, E, Barnicoat, A, Hemingway, C, Lees, M, Wakeling, E, Blair, E, Bernes, S, Sanchez, H, Clark, Ae, Demarco, E, Donahue, C, Sherr, E, Hahn, J, Sanger, Td, Gallager, Te, Daugherty, C, Krishnamoorthy, Ks, Sarco, D, Walsh, Ca, Mckanna, T, Milisa, J, Chung, Wk, De Vivo DC, Raynes, H, Schubert, R, Seward, A, Brooks, Dg, Goldstein, A, Caldwell, J, Finsecke, E, Maria, Bl, Holden, K, Cruse, Rp, Karaca, E, Swoboda, Kj, Viskochil, D, Dobyns, Wb, Colin, Johnson, Tania, Attié Bitach, Joseph, G. Gleeson, Enza, Maria Valente, ANS - Amsterdam Neuroscience, APH - Amsterdam Public Health, Human Genetics, Paediatrics, OMÜ, University of Zurich, Valente, Enza Maria, Fluss, Joel Victor, Travaglini, L, Brancati, F, Silhavy, J, Iannicelli, M, Nickerson, E, Elkhartoufi, N, Scott, E, Spencer, E, Gabriel, S, Thomas, S, Ben Zeev, B, Bertini, E, Boltshauser, E, Chaouch, M, Cilio, Mr, de Jong, Mm, Kayserili, H, Ogur, G, Poretti, A, Signorini, S, Uziel, G, Zaki, M, Johnson, C, Atti? Bitach, T, Gleeson, Jg, Valente, Em, International JSRD Study, Group, and DEL GIUDICE, Ennio

Subjects
Male, Ciliata -- Anatomy, Proband, 10039 Institute of Medical Genetics, Meckel syndrome, RPGRIP1L, Syndromes, INPP5E, MODIFIER, Phosphoric Monoester Hydrolases/genetics, Ciliopathies, Polycystic Kidney Diseases/diagnosis/genetics, CILIUM, 0302 clinical medicine, Gene Frequency, Cerebellum, Prenatal Diagnosis, RETINAL DEGENERATION, Prevalence, MECKEL, ciliopathies, Joubert syndrome and related disorders, Eye Abnormalities, Child, Genetics (clinical), Encephalocele, Joubert syndrome, Genetics, Polycystic Kidney Diseases, 0303 health sciences, ddc:618, Cerebellar Diseases/diagnosis/genetics, Kidney Diseases, Cystic, Pedigree, 3. Good health, Phenotype, Child, Preschool, Medical genetics, Female, Retinitis Pigmentosa, FORM, Ciliary Motility Disorders, Heterozygote, medicine.medical_specialty, 2716 Genetics (clinical), Adolescent, Molecular Sequence Data, Encephalocele/diagnosis/genetics, AHI1, 610 Medicine & health, Biology, Retina, Article, Ciliopathies, INPP5E, Joubert syndrome and related disorders, Meckel syndrome, NO, Ciliary Motility Disorders/diagnosis/genetics, 03 medical and health sciences, 1311 Genetics, Cerebellar Diseases, REVEALS, medicine, Humans, Abnormalities, Multiple, Amino Acid Sequence, Kidney Diseases, Cystic/diagnosis/genetics, abnormalities, multiple, adolescent, amino acid sequence, cerebellar diseases, cerebellum, child, preschool, ciliary motility disorders, encephalocele, eye abnormalities, female, heterozygote, humans, infant, kidney diseases, cystic, male, molecular sequence data, pedigree, phosphoric monoester hydrolases, polycystic kidney diseases, prenatal diagnosis, prevalence, retina, gene frequency, mutation, phenotype, 030304 developmental biology, Eye Abnormalities/diagnosis/genetics, COACH SYNDROME, Retina/abnormalities, Genetic heterogeneity, Respiration disorders -- Therapy, Infant, medicine.disease, Phosphoric Monoester Hydrolases, INPP5E mutation, 10036 Medical Clinic, Mutation, 030217 neurology & neurosurgery
Abstract

Joubert syndrome and related disorders (JSRD) are clinically and genetically heterogeneous ciliopathies sharing a peculiar midbrain–hindbrain malformation known as the ‘molar tooth sign’. To date, 19 causative genes have been identified, all coding for proteins of the primary cilium. There is clinical and genetic overlap with other ciliopathies, in particular with Meckel syndrome (MKS), that is allelic to JSRD at nine distinct loci. We previously identified the INPP5E gene as causative of JSRD in seven families linked to the JBTS1 locus, yet the phenotypic spectrum and prevalence of INPP5E mutations in JSRD and MKS remain largely unknown. To address this issue, we performed INPP5E mutation analysis in 483 probands, including 408 JSRD patients representative of all clinical subgroups and 75 MKS fetuses. We identified 12 different mutations in 17 probands from 11 JSRD families, with an overall 2.7% mutation frequency among JSRD. The most common clinical presentation among mutated families (7/11, 64%) was Joubert syndrome with ocular involvement (either progressive retinopathy and/or colobomas), while the remaining cases had pure JS. Kidney, liver and skeletal involvement were not observed. None of the MKS foetuses carried INPP5E mutations, indicating that the two ciliopathies are not allelic at this locus., peer-reviewed

Published
2013

39. Extending the KCNQ2 encephalopathy spectrum: clinical and neuroimaging findings in 17 patients

Author

I. Benkel, Rik Hendrickx, Beate Albrecht, S Gronborg, De Jonghe P, Annapurna Poduri, Marco Angriman, Carla Marini, Andrea Bevot, Pasquale Striano, Renzo Guerrini, Sinéad Heavin, Berten Ceulemans, Ingrid E. Scheffer, Sarah Weckhuysen, Lemke, G Casara, Arvid Suls, Rita Horvath, Ivanovic, Simone Mandelstam, Kevin Rostasy, Van, Coster, R, E Haberlandt, Christin Eltze, Rikke S. Møller, An-Sofie Schoonjans, S Syrbe, Tiziana Pisano, B Sheidley, Lucio Giordano, H. Hjalgrim, and KCNQ2 Study Group

Subjects
Male, Pediatrics, medicine.medical_specialty, Pathology, Encephalopathy, DNA Mutational Analysis, Medizin, Video Recording, Article, Cohort Studies, Epilepsy, medicine, Missense mutation, Humans, KCNQ2 Potassium Channel, Benign familial neonatal seizures, Genetic Predisposition to Disease, business.industry, Apnea, Infant, Electroencephalography, Carbamazepine, medicine.disease, Cohort Studies DNA Mutational Analysis Electroencephalography Female Genetic Predisposition to Disease/*genetics Humans Infant KCNQ2 Potassium Channel/*genetics Male Mutation/*genetics Spasms, Infantile/*genetics Video Recording, Cohort, Mutation, Female, Neurology (clinical), Human medicine, medicine.symptom, business, Spasms, Infantile, medicine.drug, Cohort study
Abstract

Objectives: To determine the frequency of KCNQ2 mutations in patients with neonatal epileptic encephalopathy (NEE), and to expand the phenotypic spectrum of KCNQ2 epileptic encephalopathy. Methods: Eighty-four patients with unexplained NEE were screened for KCNQ2 mutations using classic Sanger sequencing. Clinical data of 6 additional patients with KCNQ2 mutations detected by gene panel were collected. Detailed phenotyping was performed with particular attention to seizure frequency, cognitive outcome, and video-EEG. Results: In the cohort, we identified 9 different heterozygous de novo KCNQ2 missense mutations in 11 of 84 patients (13%). Two of 6 missense mutations detected by gene panel were recurrent and present in patients of the cohort. Seizures at onset typically consisted of tonic posturing often associated with focal clonic jerking, and were accompanied by apnea with desaturation. One patient diagnosed by gene panel had seizure onset at the age of 5 months. Based on seizure frequency at onset and cognitive outcome, we delineated 3 clinical subgroups, expanding the spectrum of KCNQ2 encephalopathy to patients with moderate intellectual disability and/or infrequent seizures at onset. Recurrent mutations lead to relatively homogenous phenotypes. One patient responded favorably to retigabine; 5 patients had a good response to carbamazepine. In 6 patients, seizures with bradycardia were recorded. One patient died of probable sudden unexpected death in epilepsy. Conclusion: KCNQ2 mutations cause approximately 13% of unexplained NEE. Patients present with a wide spectrum of severity and, although rare, infantile epilepsy onset is possible.

Published
2013

45. MKS3/TMEM67 mutations are a major cause of COACH Syndrome, a Joubert Syndrome related disorder with liver involvement

Author

Brancati, F., Iannicelli, M., Travaglini, L., Mazzotta, A., Bertini, E., Boltshauser, E., D?arrigo, S., Emma, F., Fazzi, E., Gallizzi, R., Gentile, M., Loncarevic, D., Mejaski-Bosnjak, V., Pantaleoni, C., Rigoli, L., Salpietro, C. D., Signorini, S., Stringini, G. R., Verloes, A., Zabloka, D., Dallapiccola, B., Gleeson, J. G., Valente, E. M., Zankl, A., Leventer, R., Smith, P. G., Janecke, A., D?hooghe, M., Sznajer, Y., Van Coster, R., Demerleir, L., Dias, K., Moco, C., Moreira, A., Ae Kim, C., Maegawa, G., Petkovic, D., Abdel-Salam, G. M. H., Abdel-Aleem, A., Zaki, M. S., Marti, I., Quijano-Roy, S., Sigaudy, S., De Lonlay, P., Romano, S., Touraine, R., Koenig, M., Lagier-Tourenne, C., Messer, J., Collignon, P., Wolf, N., Philippi, H., Tzeli, S. K., Halldorsson, S., Johannsdottir, J., Ludvigsson, P., Phadke, S. R., Udani, V., Stuart, B., Magee, A., Lev, D., Michelson, M., Ben-Zeev, B., Fischetto, R., Benedicenti, F., Stanzial, F., Borgatti, R., Accorsi, P., Battaglia, S., Giordano, L., Pinelli, L., Boccone, L., Bigoni, S., Ferlini, A., Donati, M. A., Caridi, G., Divizia, M. T., Faravelli, F., Ghiggeri, G., Pessagno, A., Briuglia, S., Tortorella, G., Adami, A., Castorina, P., Lalatta, F., Marra, G., Riva, D., Scelsa, B., Spaccini, L., Uziel, G., Giudice, E. D., Laverda, A. M., Ludwig, K., Permunian, A., Suppiej, A., Uggetti, C., Battini, R., Giacomo, M. D., Cilio, M. R., Di Sabato, M. L., Leuzzi, V., Parisi, P., Pollazzon, M., Silengo, M., De Vescovi, R., Greco, D., Romano, C., Cazzagon, M., Simonati, A., Al-Tawari, A. A., Bastaki, L., M('e)garban('e), A., Sabolic Avramovska, V., De Jong, M. M., Stromme, P., Koul, R., Rajab, A., Azam, M., Barbot, C., Martorell Sampol, L., Rodriguez, B., Pascual-Castroviejo, I., Teber, S., Anlar, B., Comu, S., Karaca, E., Kayserili, H., Y, Brancati, F, Iannicelli, M, Travaglini, L, Mazzotta, A, Bertini, E, Boltshauser, E, D'Arrigo, S, Emma, F, Fazzi, E, Gallizzi, R, Gentile, M, Loncarevic, D, Mejaski Bosnjak, V, Pantaleoni, C, Rigoli, L, Salpietro, Cd, Signorini, S, Stringini, Gr, Verloes, A, Zabloka, D, Dallapiccola, B, Gleeson, Jg, Valente, Em, International, JSRD Study Group, DEL GIUDICE, Ennio, and Pediatric surgery

Subjects
Pathology, medicine.medical_specialty, TMEM67, DNA Mutational Analysis, Molecular Sequence Data, education, Biology, Article, Joubert syndrome, NO, MKS3, COACH, Multiple Abnormalities, Nephronophthisis, Amino Acid Sequence, Base Sequence, Humans, Liver, Magnetic Resonance Imaging, Membrane Proteins, Mutation, Phenotype, RNA Splice Sites, Syndrome, Genetics, medicine, congenital hepatic fibrosis, Abnormalities, Multiple, Meckel syndrome, COACH syndrome, Joubert syndrome and related disorders, Genetics (clinical), Aplasia, medicine.disease, MKS3/TMEM67 mutation, COACH Syndrome, Ciliopathy, RPGRIP1L, Congenital hepatic fibrosis, human activities
Abstract

MKS3/TMEM67 mutations are a major cause of COACH Syndrome, a Joubert syndrome related disorder with liver involvement. The acronym COACH defines an autosomal recessive condition of Cerebellar vermis hypo/aplasia, Oligophrenia, congenital Ataxia, Coloboma and Hepatic fibrosis. Patients present the molar tooth sign, a midbrain-hindbrain malformation pathognomonic for Joubert Syndrome (JS) and Related Disorders (JSRDs). The main feature of COACH is congenital hepatic fibrosis (CHF), resulting from malformation of the embryonic ductal plate. CHF is invariably found also in Meckel syndrome (MS), a lethal ciliopathy already found to be allelic with JSRDs at the CEP290 and RPGRIP1L genes. Recently, mutations in the MKS3 gene (approved symbol TMEM67), causative of about 7% MS cases, have been detected in few Meckel-like and pure JS patients. Analysis of MKS3 in 14 COACH families identified mutations in 8 (57%). Features such as colobomas and nephronophthisis were found only in a subset of mutated cases. These data confirm COACH as a distinct JSRD subgroup with core features of JS plus CHF, which major gene is MKS3, and further strengthen gene-phenotype correlates in JSRDs.

Published
2009

46. RPGRIP1L mutations are mainly associated with the cerebello-renal phenotype of Joubert syndrome-related disorders

Author

Brancati F, Travaglini L, Zablocka D, Boltshauser E, Accorsi P, Montagna G, Silhavy JL, Barrano G, Bertini E, Emma F, Rigoli L and International JSRD Study Group, Leventer R, Grattan-Smith P, Janecke A, D'Hooghe M, Van Coster R, Dias K, Moco C, Moreira A, Ki

Abstract

Joubert syndrome-related disorders (JSRDs) are autosomal recessive pleiotropic conditions sharing a peculiar cerebellar and brainstem malformation known as the 'molar tooth sign' (MTS). Recently, mutations in a novel ciliary gene, RPGRIP1L, have been shown to cause both JSRDs and Meckel-Gruber syndrome. We searched for RPGRIP1L mutations in 120 patients with proven MTS and phenotypes representative of all JSRD clinical subgroups. Two homozygous mutations, the previously reported p.T615P in exon 15 and the novel c.2268_2269delA in exon 16, were detected in 2 of 16 families with cerebello-renal presentation ( approximately 12%). Conversely, no pathogenic changes were found in patients with other JSRD phenotypes, suggesting that RPGRIP1L mutations are largely confined to the cerebello-renal subgroup, while they overall represent a rare cause of JSRD (

Published
2008

47. Mutations in the cilia gene ARL13B lead to the classical form of Joubert syndrome

Author

Cantagrel, V, Silhavy, Jl, Bielas, S, Swistun, D, Marsh, Se, Bertrand, J, Audollent, S, Attié Bitach, T, Holden, Kr, Dobyns, Wb, Traver, D, Al Gazali, L, Ali, Br, Lindner, Th, Caspary, T, Otto, Ea, Hildebrandt, F, Glass, Ia, Logan, Cv, Johnson, Ca, Bennett, C, Brancati, F, Grattan Smith, P, Leventer, J, Van Coster, R, Dias, K, Moco, C, Moreira, Ae Kim, C, Akiss, A, Maegawa, G, Abdel Salam GMH, Abdel Aleem, A, Zaki, Ms, Marti, I, Quijano Roy, S, de Lonlay, P, Verloes A, A., Touraine, R, Koenig, M, Lagier Tourenne, C, Messer, J, Philippi, H, Tzeli, Sk, Halldorsson, S, Johannsdottir, J, Ludvigsson, P, Magee, A, Stuart, B, Lev, D, Michelson, M, Ben Zeev, B, Fischetto, R, Gentile, M, Battaglia, Giordano, L, Boccone, L, Ruggieri, M, Bigoni, S, Ferlini, A, Donati, Ma, Procopio, E, Lapi, E, Genuardi, M, Caridi, G, Faravelli, F, Ghiggeri, G, Briuglia, Silvana, Tortorella, Gaetano, Rigoli, Luciana Concetta, SALPIETRO DAMIANO, Carmelo, D’Arrigo, S, Pantaleoni, C, Riva, D, Uziel, G, Laverda, Am, Permunian, A, Bova, S, Fazz, Ei, Sabrina, S, Battini, R, Bertini, E, Dallapiccola, B, Cilio, Mr, Di Sabato, M, Emma, F, Leuzzi, V, Parisi, P, Simonati, A, Al Tawari AA, Bastaki, L, Ahmad Aqueel, A, Jong, Mm, Koul, R, Rajab, A, Sztriha, L, Azam, M, Barbot, C, Rodriguez, B, Pascual Castroviejo, I, Eugen Boltshauser, E, Hulya, H, Comu, S, Akcakus, M, Sahin, Y, Phadke, Sr, Melick, N, Mikati, M, Nicholl, D, Hurst, J, Hennekam, Rcm, Bernes, S, Sanchez, H, Clark, Ae, Wynshaw Boris, A, Donahue, C, Sherr, Eh, Barkovich, Aj, Hahn, D., Sanger, Td, Gallager, Te, Daugherty, C, Krishnamoorthy, Ks, Sarco, D, Walsh CA, Soul, Jmckanna, T, Joanne Milisa, J, Chung, Wk, De Vivo DC, Raynes, H, Schubert, R, Seward, A, Brooks, Dg, Amy Goldstein, A, Caldwell, J, Finsecke, E, Maria, Bl, Cruse, Rp, Lotzete, Swoboda, Kj, Viskochil, Dh, Valente, Em, Woods, Cg, and Gleeson, Jg

Subjects
Cerebellum, Ataxia, TMEM67, Molecular Sequence Data, Biology, Joubert Syndrome, Joubert syndrome, Article, cilia gene ARL13B, mutation, 03 medical and health sciences, 0302 clinical medicine, Ciliogenesis, INPP5E, medicine, Genetics, Animals, Humans, Genetics(clinical), Abnormalities, Multiple, Genetic Predisposition to Disease, Cilia, Genetics (clinical), Conserved Sequence, Zebrafish, 030304 developmental biology, Neurons, 0303 health sciences, Brain Diseases, ADP-Ribosylation Factors, Cilium, Chromosome Mapping, Computational Biology, Syndrome, Mutation, medicine.disease, Cell biology, medicine.anatomical_structure, RPGRIP1L, medicine.symptom, Abnormalities, Multiple, 030217 neurology & neurosurgery
Abstract

Joubert syndrome (JS) and related disorders are a group of autosomal-recessive conditions sharing the “molar tooth sign” on axial brain MRI, together with cerebellar vermis hypoplasia, ataxia, and psychomotor delay. JS is suggested to be a disorder of cilia function and is part of a spectrum of disorders involving retinal, renal, digital, oral, hepatic, and cerebral organs. We identified mutations in ARL13B in two families with the classical form of JS. ARL13B belongs to the Ras GTPase family, and in other species is required for ciliogenesis, body axis formation, and renal function. The encoded Arl13b protein was expressed in developing murine cerebellum and localized to the cilia in primary neurons. Overexpression of human wild-type but not patient mutant ARL13B rescued the Arl13b scorpion zebrafish mutant. Thus, ARL13B has an evolutionarily conserved role mediating cilia function in multiple organs.

Published
2008

49. CEP290 mutations are frequently identified in the oculo-renal form of Joubert syndrome-related disorders

Author

Brancati, F., Barrano, G., Silhavy, J. L., Marsh, S. E., Travaglini, L., Bielas, S. L., Amorini, M., Zablocka, D., Kayserili, H., Al-Gazali, L., Bertini, E., Boltshauser, E., D'Hooghe, M., Fazzi, Eleonora, Fenerci, E. Y., Hennekam, R. C. M., Kiss, A., Lees, M. M., Marco, E., Phadke, S. R., Rigoli, L., Romano, S., Salpietro, C. D., Sherr, E. H., Signorini, S., Stromme, P., Stuart, B., Sztriha, L., Viskochil, D. H., Yuksel, A., Dallapiccola, B., Valente, E. M., Gleeson, J. G., Grattan-Smith, P., Leventer, R., Janecke, A., Van Coster, R., Dias, K., Moco, C., MOREIRA DA SILVA, CLAUDIA ALEXANDRA, Chong, A. K., Maegawa, G., Abdel-Salam, G. M. H., Abdel-Aleem, A., Zaki, M. S., Marti, I., Quijano-Roy, S., De Lonlay, P., Verloes, A., Touraine, R., Koenig, M., Lagier-Tourenne, C., Messer, J., Philippi, H., Tzeli, S. K., Halldorsson, S., Johannsdottir, J., Ludvigsson, P., Magee, A., Lev, D., Michelson, M., Ben-Zeev, B., Fischetto, R., Gentile, M., Battaglia, S., Giordano, L., Boccone, L., Ruggieri, M., Bigoni, S., Ferlini, A., Donati, M. A., Procopio, E., Caridi, G., Faravelli, F., Ghiggeri, G., Briuglia, S., Tortorella, G., D'Arrigo, S., Pantaleoni, C., Riva, D., Uziel, G., Lavercla, A. M., Permunian, A., Bova, S., Battini, Roberta, Cilio, M. R., DI SABATO, Manuela, Emma, F., Leuzzi, V., Parisi, P., Simonati, A., Al-Tawari, A. A., Bastaki, L., Aqeel, A., De Jong, M. M., Koul, R., Rajab, A., Azam, M., Barbot, C., Rodriguez, B., Pascual-Castroviejo, I., Comu, S., Akcakus, M., Nicholl, D., Woods, C. G., Bennett, C., Hurst, J., Walsh, C. A., Bernes, S., Sanchez, H., Clark, A. E., Donahue, C., Hahn, J., Sanger, T. D., Gallager, T. E., Dobyns, W. B., Daugherty, C., Krishnamoorthy, K. S., Sarco, D., Mckanna, T., Milisa, J., Chung, W. K., De Vivo, D. C., Raynes, H., Schubert, R., Seward, A., Brooks, D. G., Goldstein, A., Caldwell, J., Finsecke, E., Maria, B. L., Holden, K., Cruse, R. P., Swoboda, K. J., ANS - Amsterdam Neuroscience, APH - Amsterdam Public Health, and Paediatric Genetics

Subjects
Male, Pathology, DNA Mutational Analysis, Cell Cycle Proteins, medicine.disease_cause, Ciliopathies, Ocular Motility Disorders, Cohort Studies, Joubert syndrome–related disorders, CEP290, Genetics(clinical), Child, Genetics (clinical), Genetics, Mutation, Brain, Syndrome, Phenotype, Magnetic Resonance Imaging, Kidney Diseases, Molar, Neoplasm Proteins, Child, Preschool, Abnormalities, Multiple, Adolescent, Adult, Antigens, Neoplasm, Female, Humans, Abnormalities, Multiple, medicine.medical_specialty, Biology, Article, Joubert syndrome, Central nervous system disease, medicine, Antigens, Preschool, Genetic heterogeneity, medicine.disease, Cytoskeletal Proteins, Situs inversus, Neoplasm
Abstract

Joubert syndrome–related disorders (JSRDs) are a group of clinically and genetically heterogeneous conditions that share a midbrain-hindbrain malformation, the molar tooth sign (MTS) visible on brain imaging, with variable neurological, ocular, and renal manifestations. Mutations in the CEP290 gene were recently identified in families with the MTS-related neurological features, many of which showed oculo-renal involvement typical of Senior-Löken syndrome (JSRD-SLS phenotype). Here, we performed comprehensive CEP290-mutation analysis on two nonoverlapping cohorts of JSRD-affected patients with a proven MTS. We identified mutations in 19 of 44 patients with JSRD-SLS. The second cohort consisted of 84 patients representing the spectrum of other JSRD subtypes, with mutations identified in only two patients. The data suggest that CEP290 mutations are frequently encountered and are largely specific to the JSRD-SLS subtype. One patient with mutation displayed complete situs inversus, confirming the clinical and genetic overlap between JSRDs and other ciliopathies.

Published
2007

50. CEP290 mutations are frequently identified in the oculo-renal form of Joubert syndrome-related disorders

Author

Brancati, F, Barrano, G, Silhavy, Jl, Marsh, Se, Travaglini, L, Bielas, Sl, Amorini, M, Zablocka, D, Kayserili, H, Al Gazali, L, Bertini, E, Boltshauser, E, D'Hooghe, M, Fazzi, E, Fenerci, Ey, Hennekam, Rc, Kiss, A, Lees, Mm, Marco, E, Phadke, Sr, Rigoli, L, Romano, S, Salpietro, Cd, Sherr, Eh, Signorini, S, Stromme, P, Stuart, B, Sztriha, L, Viskochil, Dh, Yuksel, A, Dallapiccola, [International JSRD Study Group], Valente, Em, Gleeson, Jg, Smith, P, Leventer, R, Janecke, A, Van Coster, R, Dias, K, Moco, C, Moreira, A, Chong, Ak, Maegawa, G, Abdel Salam GMH, Abdel Aleem, A, Zaki, Ms, Martu, I, Quijano Roy, S, De Lonlay, P, Verloes, A, Touraine, R, Koenig, M, Lagier Tourenne, C, Messer, J, Philippi, H, Tzeli, Sk, Halldorsson, S, Johannsdotir, J, Ludvigsson, P, Magee, A, Lev, D, Michelson, M, Ben Zev, B, Fischetto, R, Gentile, M, Battaglia, S, Giordano, L, Boccone, L, Ruggieri, Martino, Bigoni, S, Ferlini, A, Donati, Ma, Procopio, E, Cardidi, G, Faravelli, F, Ghiggeri, G, Briuglia, S, Tortorella, G, D’Arrigo, S, Pantaleoni, C, Riva, D, Uziel, G, Lavercla, Am, Permunian, A, Bova, S, Battini, R, Cilio, Mr, Di Sabato, M, Emma, F, Leuzzi, V, Parisi, P, Simonati, A, Al Tawari AA, Bastaki, L, Aqeel, A, De Jong MM, Koul, R, Rajab, A, Azam, M, Barbot, C, Rodriguez, B, Pascual Castroviejo, I, Comu, S, Akcakus, M, Nicholl, D, Woods, Cg, Bennet, C, Hurst, J, Walsh, Ca, Bernes, S, Sanchez, H, Clark, Ae, Donahue, C, Hahn, J, Sanger, Td, Gallager, Te, Dobyns, Wb, Daugherty, C, Krishnamoorthy, Ks, Sarco, D, Mckanna, T, Milisa, J, Chung, Wk, De Vivo DC, Raynes, H, Schubert, R, Seward, A, Brooks, Dg, Goldstein, A, Caldwell, J, Finsecke, E, Maria, Bl, Holden, K, Cruse, Rp, and Swoboda, Kj

Published
2007

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