Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0004352 (autism)
 32,579 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Autism is defined by 3 main criteria: disturbance of reciprocal social interaction, disturbance of communication (including language comprehension and spoken language) and disturbance of normal variation in behaviour and imaginative activities; an onset before age 36 months is also required. The neuropediatric contribution to autism is dominated by the search for an underlying organic etiology, especially if there are arguments for an associated encephalopathy: ante- or perinatal medical history, dysmorphic signs, skin spots, neurological abnormalities, somatic abnormalities compatible with a neurometabolic disorder. The main associated conditions with autism are: chromosome anomalies, monogenic syndrome (including fragile X syndrome), neurocutaneous syndromes, epileptic encephalopathies, neurometabolic diseases, and dystrophinopathies. The identification of an associated medical condition to autism is primordial in prospect of genetic counselling, and by the change induced in familial perception of autism.
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PMID:[Neuropediatric approach to autism]. 1621 50

We evaluated a 11-year-old male patient with mental delay, autism and brownish and whitish skin spots. The former resembled those of neurofibromatosis, the latter those of tuberous sclerosis. The patient received a complete clinical work-up to exclude neurofibromatosis, tuberous sclerosis, or any other known neurocutaneous disease, with biochemistry, chromosome analysis and analysis of skin specimens. Being all the other tests not significant, two main ultrastructural defects were observed. The first was a blockage in intracellular vescicular trafficking with sparing of the mitochondria; the second an aberrant presence of melanosomes in vacuoles of several cell lines and abnormal transfer of these organelles to keratinocytes. This patient presented with a unique clinical picture distinct from neurofibromatosis or tuberous sclerosis or any other known neurocutaneous disease. The ultrastructural abnormalities suggested a defect in cell trafficking involving several cell lines and compartments.
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PMID:Neurocutaneous syndrome with mental delay, autism, blockage in intracellular vescicular trafficking and melanosome defects. 1687 94