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home:diseases:ocd [02.26.2017] – [Evidence of infectious cause] sallieq | home:diseases:ocd [10.17.2018] – [OCD in experimental animals] sallieq | ||
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Termed pediatric autoimmune neuropsychiatric disorders associated with Streptococcus (PANDAS), these cases of childhood-onset obsessive compulsive disorder and tic disorders resemble the presentation of Sydenham chorea, in that they have an acute onset following a group A beta-hemolytic streptococcal infection (group A Streptococcus), | Termed pediatric autoimmune neuropsychiatric disorders associated with Streptococcus (PANDAS), these cases of childhood-onset obsessive compulsive disorder and tic disorders resemble the presentation of Sydenham chorea, in that they have an acute onset following a group A beta-hemolytic streptococcal infection (group A Streptococcus), | ||
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+ | ===== Obsessive Compulsive Disorder and experience of MP patients ===== | ||
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- | OCD(Obsessive Compulsive Disorder) | ||
All In The Mind | All In The Mind | ||
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====== OCD in experimental animals ====== | ====== OCD in experimental animals ====== | ||
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Streptococcal infections can induce obsessive-compulsive and tic disorders. In children, this syndrome, frequently associated with disturbances in attention, learning and mood, has been designated pediatric autoimmune neuropsychiatric disorders associated with streptococcal infection (PANDAS). Autoantibodies recognizing central nervous system (CNS) epitopes are found in sera of most PANDAS subjects, but may not be unique to this neuropsychiatric subset. In support of a humoral immune mechanism, clinical improvement often follows plasmapheresis or intravenous immunoglobulin. We recently described a PANDAS mouse model wherein repetitive behaviors correlate with peripheral anti-CNS antibodies and immune deposits in brain following streptococcal immunization. These antibodies are directed against group A beta-hemolytic streptococcus matrix (M) protein and cross-react with molecular targets complement C4 protein and alpha-2-macroglobulin in brain. Here we show additional deficits in motor coordination, | Streptococcal infections can induce obsessive-compulsive and tic disorders. In children, this syndrome, frequently associated with disturbances in attention, learning and mood, has been designated pediatric autoimmune neuropsychiatric disorders associated with streptococcal infection (PANDAS). Autoantibodies recognizing central nervous system (CNS) epitopes are found in sera of most PANDAS subjects, but may not be unique to this neuropsychiatric subset. In support of a humoral immune mechanism, clinical improvement often follows plasmapheresis or intravenous immunoglobulin. We recently described a PANDAS mouse model wherein repetitive behaviors correlate with peripheral anti-CNS antibodies and immune deposits in brain following streptococcal immunization. These antibodies are directed against group A beta-hemolytic streptococcus matrix (M) protein and cross-react with molecular targets complement C4 protein and alpha-2-macroglobulin in brain. Here we show additional deficits in motor coordination, | ||
- | See also Orbitofrontal-Cortex-Lesioned Rats: Possible Involvement of the Serotonergic System | + | See also Orbitofrontal-Cortex-Lesioned Rats: Possible Involvement of the Serotonergic System. (({{pubmed> |
contains link to free article | contains link to free article | ||
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- | {{tag>diseases neurological}} | + | < |
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===== Notes and comments ===== | ===== Notes and comments ===== | ||
< | < | ||
- | --- //Sallie Q 02.26.2017// | + | --- //Sallie Q 02.26.2017// |
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Neuropsychopharmacology. 2012 Aug; | Neuropsychopharmacology. 2012 Aug; |