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Exhaustive Analysis of BH4 and Dopamine Biosynthesis Genes in Patients with Dopa-Responsive Dystonia
Peer reviewed
Direct linkClot, Fabienne; Grabli, David; Cazeneuve, Cecile; Roze, Emmanuel; Castelnau, Pierre; Chabrol, Brigitte; Landrieu, Pierre; Nguyen, Karine; Ponsot, Gerard; Abada, Myriem; Doummar, Diane; Damier, Philippe; Gil, Roger; Thobois, Stephane; Ward, Alana J.; Hutchinson, Michael; Toutain, Annick; Picard, Fabienne; Camuzat, Agnes; Fedirko, Estelle; San, Chankannira; Bouteiller, Delphine; LeGuern, Eric; Durr, Alexandra; Vidailhet, Marie; Brice, Alexis – Brain, 2009
Dopa-responsive dystonia is a childhood-onset dystonic disorder, characterized by a dramatic response to low dose of L-Dopa. Dopa-responsive dystonia is mostly caused by autosomal dominant mutations in the "GCH1" gene (GTP cyclohydrolase1) and more rarely by autosomal recessive mutations in the "TH" (tyrosine hydroxylase) or "SPR" (sepiapterin…
Descriptors: Patients, Drug Therapy, Genetic Disorders, Neurological Impairments
Rotthier, Annelies; Baets, Jonathan; De Vriendt, Els; Jacobs, An; Auer-Grumbach, Michaela; Levy, Nicolas; Bonello-Palot, Nathalie; Kilic, Sara Sebnem; Weis, Joachim; Nascimento, Andres; Swinkels, Marielle; Kruyt, Moyo C.; Jordanova, Albena; De Jonghe, Peter; Timmerman, Vincent – Brain, 2009
Hereditary sensory and autonomic neuropathies (HSAN) are clinically and genetically heterogeneous disorders characterized by axonal atrophy and degeneration, exclusively or predominantly affecting the sensory and autonomic neurons. So far, disease-associated mutations have been identified in seven genes: two genes for autosomal dominant ("SPTLC1"…
Descriptors: Diseases, Clinical Diagnosis, Genetics, Correlation
Kloppel, Stefan; Draganski, Bogdan; Siebner, Hartwig R.; Tabrizi, Sarah J.; Weiller, Cornelius; Frackowiak, Richard S. J. – Brain, 2009
Involuntary choreiform movements are a clinical hallmark of Huntington's disease. Studies in clinically affected patients suggest a shift of motor activations to parietal cortices in response to progressive neurodegeneration. Here, we studied pre-symptomatic gene carriers to examine the compensatory mechanisms that underlie the phenomenon of…
Descriptors: Motor Reactions, Neurological Impairments, Genetic Disorders, Neurological Organization
Tchoghandjian, Aurelie; Fernandez, Carla; Colin, Carole; El Ayachi, Ikbale; Voutsinos-Porche, Brigitte; Fina, Frederic; Scavarda, Didier; Piercecchi-Marti, Marie-Dominique; Intagliata, Dominique; Ouafik, L'Houcine; Fraslon-Vanhulle, Caroline; Figarella-Branger, Dominique – Brain, 2009
Pilocytic astrocytomas are WHO grade I gliomas that occur predominantly in childhood. They share features of both astroglial and oligodendroglial lineages. These tumours affect preferentially the cerebellum (benign clinical course) and the optic pathway, especially the hypothalamo-chiasmatic region (poor prognosis). Understanding the molecular…
Descriptors: Human Body, Genetics, Pathology, Brain
Chung, Chee Yeun; Licznerski, Pawel; Alavian, Kambiz N.; Simeone, Antonio; Lin, Zhicheng; Martin, Eden; Vance, Jeffery; Isacson, Ole – Brain, 2010
Two adjacent groups of midbrain dopaminergic neurons, A9 (substantia nigra pars compacta) and A10 (ventral tegmental area), have distinct projections and exhibit differential vulnerability in Parkinson's disease. Little is known about transcription factors that influence midbrain dopaminergic subgroup phenotypes or their potential role in disease.…
Descriptors: Brain Hemisphere Functions, Neurological Impairments, Animals, Diseases
Samaranch, Lluis; Lorenzo-Betancor, Oswaldo; Arbelo, Jose M.; Ferrer, Isidre; Lorenzo, Elena; Irigoyen, Jaione; Pastor, Maria A.; Marrero, Carmen; Isla, Concepcion; Herrera-Henriquez, Joanna; Pastor, Pau – Brain, 2010
Phosphatase and tensin homolog-induced putative kinase 1 gene mutations have been associated with autosomal recessive early-onset Parkinson's disease. To date, no neuropathological reports have been published from patients with Parkinson's disease with both phosphatase and tensin homolog-induced putative kinase 1 gene copies mutated. We analysed…
Descriptors: Diseases, Pathology, Patients, Genetics
Farzin, Faraz; Rivera, Susan M.; Whitney, David – Brain, 2011
Fragile X syndrome is the most common cause of inherited intellectual impairment and the most common single-gene cause of autism. Individuals with fragile X syndrome present with a neurobehavioural phenotype that includes selective deficits in spatiotemporal visual perception associated with neural processing in frontal-parietal networks of the…
Descriptors: Attention, Infants, Visual Perception, Genetic Disorders
Thornhill, Paul; Bassett, David; Lochmuller, Hanns; Bushby, Kate; Straub, Volker – Brain, 2008
A number of muscular dystrophies are associated with the defective glycosylation of [alpha]-dystroglycan and many are now known to result from mutations in a number of genes encoding putative or known glycosyltransferases. These diseases include severe forms of congenital muscular dystrophy (CMD) such as Fukuyama type congenital muscular dystrophy…
Descriptors: Symptoms (Individual Disorders), Brain, Disabilities, Neurological Impairments
Woldbye, David P. D.; Angehagen, Mikael; Gotzsche, Casper R.; Elbrond-Bek, Heidi; Sorensen, Andreas T.; Christiansen, Soren H.; Olesen, Mikkel V.; Nikitidou, Litsa; Hansen, Thomas v. O.; Kanter-Schlifke, Irene; Kokaia, Merab – Brain, 2010
Gene therapy using recombinant adeno-associated viral vectors overexpressing neuropeptide Y in the hippocampus exerts seizure-suppressant effects in rodent epilepsy models and is currently considered for clinical application in patients with intractable mesial temporal lobe epilepsy. Seizure suppression by neuropeptide Y in the hippocampus is…
Descriptors: Reading Difficulties, Epilepsy, Seizures, Phonemic Awareness
Okuda, D. T.; Srinivasan, R.; Oksenberg, J. R.; Goodin, D. S.; Baranzini, S. E.; Beheshtian, A.; Waubant, E.; Zamvil, S. S.; Leppert, D.; Qualley, P.; Lincoln, R.; Gomez, R.; Caillier, S.; George, M.; Wang, J.; Nelson, S. J.; Cree, B. A. C.; Hauser, S. L.; Pelletier, D. – Brain, 2009
Genetic susceptibility to multiple sclerosis (MS) is associated with the human leukocyte antigen (HLA) "DRB1*1501" allele. Here we show a clear association between DRB1*1501 carrier status and four domains of disease severity in an investigation of genotype-phenotype associations in 505 robust, clinically well characterized MS patients evaluated…
Descriptors: Spectroscopy, Patients, Brain, Severity (of Disability)
Dierick, Ines; Baets, Jonathan; Irobi, Joy; Jacobs, An; De Vriendt, Els; Deconinck, Tine; Merlini, Luciano; Van den Bergh, Peter; Rasic, Vedrana Milic; Robberecht, Wim; Fischer, Dirk; Morales, Raul Juntas; Mitrovic, Zoran; Seeman, Pavel; Mazanec, Radim; Kochanski, Andrzej; Jordanova, Albena; Auer-Grumbach, Michaela; Helderman-van den Enden, A. T. J. M.; Wokke, John H. J.; Nelis, Eva; De Jonghe, Peter; Timmerman, Vincent – Brain, 2008
Distal hereditary motor neuropathy (HMN) is a clinically and genetically heterogeneous group of disorders affecting spinal alpha-motor neurons. Since 2001, mutations in six different genes have been identified for autosomal dominant distal HMN; "glycyl-tRNA synthetase (GARS)," "dynactin 1 (DCTN1)," "small heat shock 27 kDa…
Descriptors: Diseases, Patients, Genetics, Psychomotor Skills
Garbern, James Y.; Neumann, Manuela; Trojanowski, John Q.; Lee, Virginia M.-Y.; Feldman, Gerald; Norris, Joy W.; Friez, Michael J.; Schwartz, Charles E.; Stevenson, Roger; Sima, Anders A. F. – Brain, 2010
We have studied a family with severe mental retardation characterized by the virtual absence of speech, autism spectrum disorder, epilepsy, late-onset ataxia, weakness and dystonia. Post-mortem examination of two males revealed widespread neuronal loss, with the most striking finding being neuronal and glial tau deposition in a pattern reminiscent…
Descriptors: Severe Mental Retardation, Mental Retardation, Autism, Alzheimers Disease
Fontana, Adriano; Gast, Heidemarie; Reith, Walter; Recher, Mike; Birchler, Thomas; Bassetti, Claudio L. – Brain, 2010
Human narcolepsy with cataplexy is a neurological disorder, which develops due to a deficiency in hypocretin producing neurons in the hypothalamus. There is a strong association with human leucocyte antigens HLA-DR2 and HLA-DQB1*0602. The disease typically starts in adolescence. Recent developments in narcolepsy research support the hypothesis of…
Descriptors: Neurological Impairments, Sleep, Diseases, Brain
Williams-Gray, Caroline H.; Evans, Jonathan R.; Goris, An; Foltynie, Thomas; Ban, Maria; Robbins, Trevor W.; Brayne, Carol; Kolachana, Bhaskar S.; Weinberger, Daniel R.; Sawcer, Stephen J.; Barker, Roger A. – Brain, 2009
Cognitive abnormalities are common in Parkinson's disease, with important social and economic implications. Factors influencing their evolution remain unclear but are crucial to the development of targeted therapeutic strategies. We have investigated the development of cognitive impairment and dementia in Parkinson's disease using a longitudinal…
Descriptors: Age Differences, Dementia, Diseases, At Risk Persons
Phenotypical Characteristics of Idiopathic Infantile Nystagmus with and without Mutations in "FRMD7"
Thomas, Shery; Proudlock, Frank A.; Sarvananthan, Nagini; Roberts, Eryl O.; Awan, Musarat; McLean, Rebecca; Surendran, Mylvaganam; Kumar, A. S. Anil; Farooq, Shegufta J.; Degg, Chris; Gale, Richard P.; Reinecke, Robert D.; Woodruff, Geoffrey; Langmann, Andrea; Lindner, Susanne; Jain, Sunila; Tarpey, Patrick; Raymond, F. Lucy; Gottlob, Irene – Brain, 2008
Idiopathic infantile nystagmus (IIN) consists of involuntary oscillations of the eyes. The familial form is most commonly X-linked. We recently found mutations in a novel gene "FRMD7" (Xq26.2), which provided an opportunity to investigate a genetically defined and homogeneous group of patients with nystagmus. We compared clinical features and eye…
Descriptors: Visual Impairments, Eye Movements, Visual Acuity, Depth Perception
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