Abstract:
:The organophosphate cholinesterase inhibitor paraoxon is hydrolysed by serum paraoxonase/arylesterase. A genetic polymorphism of paraoxonase (PON) activity which determines high versus low paraoxon hydrolysis in human populations, may determine sensitivity to parathion poisoning. We demonstrate that arginine at position 192 specifies high activity PON whereas a glutamine specifies the low activity variant. Allele-specific probes or restriction enzyme analysis of amplified DNA allow for the genotyping of individuals. PON maps to chromosome 7q21-22, proximal to the cystic fibrosis gene, in agreement with previous genetic linkage studies.
journal_name
Nat Genetjournal_title
Nature geneticsauthors
Humbert R,Adler DA,Disteche CM,Hassett C,Omiecinski CJ,Furlong CEdoi
10.1038/ng0193-73subject
Has Abstractpub_date
1993-01-01 00:00:00pages
73-6issue
1eissn
1061-4036issn
1546-1718journal_volume
3pub_type
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