Monday, February 20, 2012

The Big List of S*%# Linked to Autism: Flame Retardant Chemical Edition (BDE-47)

A new one for the "might cause Autism" list ... exposure to flame retardant chemical.
The researchers said the study is the first to link genetics and epigenetics with exposure to a flame retardant chemical. The research was conducted in the offspring of mice genetically engineered for the autism phenotype found in Rett syndrome, a disorder that occurs primarily in females and causes regression in expressive language, motor skills and social reciprocity in late infancy. The condition affects about 1 in 10,000 children.

The Big List of S*%# Linked to Autism

1 comment:

  1. Autism: The Eusocial Hominid Hypothesis


    ASDs (autism spectrum disorders) are hypothesized as one of many adaptive human cognitive variations that have been maintained in modern populations via multiple genetic and epigenetic mechanisms. Introgression from "archaic" hominids (adapted for less demanding social environments) is conjectured as the source of initial intraspecific heterogeneity because strict inclusive fitness does not adequately model the evolution of distinct, copy-number sensitive phenotypes within a freely reproducing population.

    Evidence is given of divergent encephalization and brain organization in the Neanderthal (including a ~1520 cc cranial capacity, larger than that of modern humans) to explain the origin of the autism subgroup characterized by abnormal brain growth.

    Autism and immune dysfunction are frequently comorbid. This supports an admixture model in light of the recent discovery that MHC alleles (genes linked to immune function, mate selection, neuronal "pruning," etc.) found in most modern human populations come from "archaic" hominids.

    Mitochondrial dysfunction, differential fetal androgen exposure, lung abnormalities, and hypomethylation/CNV due to hybridization are also presented as evidence.


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