𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Possible immunogenetic basis for autism

✍ Scribed by Burger, Roger A. ;Warren, Reed P.

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
95 KB
Volume
4
Category
Article
ISSN
1080-4013

No coin nor oath required. For personal study only.

✦ Synopsis

Autism results from several different etiologies or combination of pathological mechanisms. Mounting evidence indicates that immune dysfunction along with an environmental pathogen may be factors contributing to the development of some cases of autism. One of the immune deficiencies observed in autism is abnormal T-cell mediated immunity. Another is altered levels of certain classes of antibodies (immunoglobulins), including decreased levels of immunoglobulin A and deficient complement activity, based on the inheritance of a null allele of the C4B gene. In addition to the C4B gene, other genes on chromosome 6 also appear to be associated with autism. In the developing child, genetically determined immune deficiencies might increase the risk for autism in two ways: 1) A pathogen or its toxins might damage the brain, 2) the pathogen might trigger an autoimmune mechanism that would interfere with brain functioning. In the mother, immune deficiency might allow a pathogen to persist in utero, damaging the fetal brain directly or triggering a maternal immune response that creates pathogenesis in the fetal brain.

1998 Wiley-Liss, Inc.

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