La maladie de Huntington est une affection dégénérative du cerveau d’origine I -Présentation de la chorée de Huntington et description de ses troubles. La clozapine, antipsychotique atypique, semble efficace sur les symptômes psychotiques liés à la chorée de Huntington. Nous rapportons le cas d’une patiente. PDF | On, R. de Diego Balaguer and others published ASPECTS CLINIQUES ET NEUROPSYCHOLOGIQUES DE LA MALADIE DE HUNTINGTON.

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Huntington’s disease

European Journal of Human Genetics. Huntington’s disease Extrapyramidal and movement disorders Genetic diseases and disorders Systemic atrophies primarily affecting the central nervous system Autosomal dominant disorders Trinucleotide repeat disorders Disorders causing seizures.

Part of this gene is a repeated section called a trinucleotide repeatwhich varies in length between individuals hunfington may change length between generations. Philosophical Transactions of the Royal Society of London. Archived from the original PDF on 25 June Several clinical trials of new experimental treatments are underway and planned in Huntington’s disease.

Retrieved 15 November The clinical improvment was hhntington with plasma levels of clozapine which have been recognized as in therapeutic ranges by previous studies.

X-linked intellectual disability Lujan—Fryns syndrome. Inafter experiencing HD in his wife’s family, Dr.

Problems with mood, mental abilities, coordination, jerky body movements [1] [2]. Retrieved 24 July Retrieved 12 March Huntinghon implications include the impact on an individual’s psychology, career, family planning decisions, relatives and relationships.


Genetic counseling is available to provide advice and guidance throughout the testing procedure, and on the implications of a confirmed diagnosis.

Archived from the original on 26 November Archived from the original on 3 May These abnormalities include muscle atrophycardiac failureimpaired glucose toleranceweight lossosteoporosisand testicular atrophy. Neurology, Psychiatry and Brain Research 8: Archived from the original on 22 January The huntingtin protein interacts with over other proteins, and appears to have multiple biological functions. How far the disease has progressed can be measured using the unified Huntington’s disease rating scalewhich provides an overall rating system based on motor, behavioral, fhoree, and functional assessments.

When the length of this repeated section reaches a certain threshold, it produces an altered form of the protein, called mutant Huntingtin protein mHTT. Testing before the onset of symptoms is a life-changing event and a very personal decision.

Huntington’s disease – Wikipedia

List of Huntington’s disease media depictions. Access to the text HTML.

Food and Drug Administration. Trinucleotide CAG repeats over 28 are huntngton during replicationand this instability increases ee the number of repeats present.

Examining the combined medical history of several generations of a family exhibiting similar symptoms, he realized their conditions must be linked; he presented his detailed and accurate definition of the disease as his first paper. Reported impairments range from short-term memory deficits to long-term memory difficulties, including deficits in episodic memory of one’s lifeprocedural memory of the body of how to perform an activity and working memory.


With the huntingtin of an effective treatment, testing a person under legal age who is not judged to be competent is considered unethical in most cases. Personality disorder Impulse control disorder Kleptomania Trichotillomania Pyromania Dermatillomania Factitious disorder Munchausen syndrome.

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Archived from the original on 4 July Regions of the brain have differing amounts and reliance on these types of neurons, and are affected accordingly. These include chorea acanthocytosis and pantothenate kinase-associated neurodegeneration.

Annual Review of Medicine. It is also possible to obtain a prenatal diagnosis for an embryo or fetus in the womb, using fetal genetic material acquired through chorionic villus sampling.

It also acts as an anti-apoptotic agent preventing programmed cell death and dr the production of brain-derived neurotrophic factora protein which protects neurons and regulates their creation during neurogenesis. Dentatorubral-pallidoluysian atrophy Huntington’s disease Kennedy disease Spinocerebellar ataxia 1, 2, 3, 6, 7, 17 Machado-Joseph disease.