The molecular basis of the human serum paraoxonase activity polymorphism

Richard Humbert; David A. Adler; Christine M. Disteche; Christopher Hassett; Curtis J. Omiecinski; Clement E. Furlong

doi:10.1038/ng0193-73

The molecular basis of the human serum paraoxonase activity polymorphism

Richard Humbert, David A. Adler, Christine M. Disteche, Christopher Hassett, Curtis J. Omiecinski, Clement E. Furlong

Research output: Contribution to journal › Article › peer-review

792 Scopus citations

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.

Original language	English (US)
Pages (from-to)	73-76
Number of pages	4
Journal	Nature Genetics
Volume	3
Issue number	1
DOIs	https://doi.org/10.1038/ng0193-73
State	Published - Jan 1993

All Science Journal Classification (ASJC) codes

Genetics

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10.1038/ng0193-73

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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.",

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AU - Omiecinski, Curtis J.

AU - Furlong, Clement E.

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AB - 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.

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The molecular basis of the human serum paraoxonase activity polymorphism

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