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Query: UMLS:C0004352 (autism)
 32,579 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Autism may be a disorder linked to the disruption of the G-alpha protein, affecting retinoid receptors in the brain. A study of 60 autistic children suggests that autism may be caused by inserting a G-alpha protein defect, the pertussis toxin found in the DPT vaccine, into genetically at-risk children. This toxin separates the G-alpha protein from retinoid receptors. Those most at risk report a family history of at least one parent with a pre-existing G-alpha protein defect, including night blindness, pseudohypoparathyroidism or adenoma of the thyroid or pituitary gland. Natural vitamin A may reconnect the retinoid receptors critical for vision, sensory perception, language processing and attention. Autism spectrum disorders have increased from 1 in 10 000 in 1978 to 1 in 300 in some US communities in 1999. Recent evidence indicates that autism is a disorder of the nervous system and the immune system, affecting multiple metabolic pathways.
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PMID:Is autism a G-alpha protein defect reversible with natural vitamin A? 1086 50

Vaccinations protect to a high degree against infectious diseases, but may cause side effects. In the Netherlands since 1962 the adverse events following immunizations are registered and analysed by the National Institute of Health and Environment (RIVM). Since 1983 a permanent Committee of the Dutch Health Council reviews adverse events reported to the RIVM. With the so-called killed vaccines the side effects are mainly local (redness, swelling, pain) or general (fever, listlessness, irritability, sleep and eating problems). They are seen mainly after DPT-IPV vaccination against diphtheria, pertussis, tetanus and poliomyelitis. Some side effects occur rarely (collapse reactions, discoloured legs, persistent screaming and convulsions) and very rarely serious neurological events are reported. After MMR vaccination against measles, mumps and rubella, cases of arthritis, thrombocytopenia and ataxia are reported sporadically. Usually, they have a spontaneous recovery. During recent years a scala of diseases or symptoms have been associated with vaccination (presumed side effects). Careful and extensive investigations have shown that such hypotheses could not be supported. Examples are allergic diseases as asthma, diabetes mellitus, multiple sclerosis (after hepatitis B vaccination), autism and inflammatory bowel disease (after MMR vaccination) and sudden infant death syndrome. The total number of cases where at least a possible relation between side effects and vaccination is observed--apart from local reactions and moderate general symptoms--is very rare (about 0.25 per 1000 vaccinations) and does not balance the benefits from vaccination. There appears increasing doubt about the use and safety of vaccinations. More research is needed about the motives of people to choose for and against vaccination. The education about vaccination for parents and professionals who are involved with vaccination has to be improved. Internet can play an important role.
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PMID:[Childhood vaccinations anno 2004. II. The real and presumed side effects of vaccination]. 1503 89

A contentious theory espoused by some parents is that regressive-onset of autism spectrum disorder (ASD) is triggered by vaccines. If this were true, then vaccine receipt should be higher in children with regressive-onset ASD compared with other patterns of onset. Parental report of rate of receipt for six vaccines (DPT/DTaP, HepB, Hib, polio, MMR, varicella) was examined in children with ASD (N=2755) who were categorized by pattern of ASD onset (early onset, plateau, delay-plus-regression, regression). All pairwise comparisons were significantly equivalent within a 10% margin for all vaccines except varicella, for which the delay-plus-regression group had lower rates of receipt (81%) than the early-onset (87%) and regression (87%) groups. Findings do not support a connection between regressive-onset ASD and vaccines in this cohort.
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PMID:Parental report of vaccine receipt in children with autism spectrum disorder: Do rates differ by pattern of ASD onset? 2686 82