Post-mortem studies system

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The cholinergic system in autism has been investigated in a number of post-mortem studies (Table 1). In the parietal and frontal cortices of autistic adult subjects, levels of nicotinic receptors were 65-73% lower than in controls (Perry et al., 2001). In the parietal cortex specifically, there were lower levels of a4 and f)2 nicotinic receptor subunits, the high-affinity-type nicotinic receptor (Fig. 4). These abnormalities... 

Table 1 Summary of post-mortem studies focusing on the cholinergic system...

Studies of reproductive and teratogenic effects of OPPs on humans are few. Gordon et al. (1981) found stronger correlations of cleft lip and palate malformations for insecticides and/or herbicides than for all other agrichemicals combined. The post mortem examination of women s ovaries following acute intoxication revealed adverse ovarian effects from parathion and both infertility and menstrual disturbances were observed in female applicators of OPPs. Also, women from fruit growing areas exposed to OPPs experienced earlier menopause, infertility and other functional irregularities—e.g., in the liver and nervous system and in bile production. 

CN AND CS Toxicity in Animals In animal studies, the cause of death from CN inhalation is the result of toxicity in the pulmonary system. Post-mortem examination from acute toxicity lethality studies in animals... 

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