Aldehyde dehydrogenase variation enhances effect of pesticides associated with Parkinson disease
Identifieur interne : 000039 ( PascalFrancis/Corpus ); précédent : 000038; suivant : 000040Aldehyde dehydrogenase variation enhances effect of pesticides associated with Parkinson disease
Auteurs : Arthur G. Fitzmaurice ; Shannon L. Rhodes ; Myles Cockburn ; Beate Ritz ; Jeff M. BronsteinSource :
- Neurology [ 0028-3878 ] ; 2014.
Descripteurs français
- Pascal (Inist)
English descriptors
Abstract
Objective: The objective of this study was to determine whether environmental and genetic alterations of neuronal aldehyde dehydrogenase (ALDH) enzymes were associated with increased Parkinson disease (PD) risk in an epidemiologic study. Methods: A novel ex vivo assay was developed to identify pesticides that can inhibit neuronal ALDH activity. These were investigated for PD associations in a population-based case-control study, the Parkinson's Environment & Genes (PEG) Study. Common variants in the mitochondrial ALDH2 gene were genotyped to assess effect measure modification (statistical interaction) of the pesticide effects by genetic variation. Results: All of the metal-coordinating dithiocarbamates tested (e.g., maneb, ziram), 2 imidazoles (benomyl, triflumizole), 2 dicarboxymides (captan, folpet), and 1 organochlorine (dieldrin) inhibited ALDH activity, potentially via metabolic byproducts (e.g., carbon disulfide, thiophosgene). Fifteen screened pesticides did not inhibit ALDH. Exposures to ALDH-inhibiting pesticides were associated with 2- to 6-fold increases in PD risk; genetic variation in ALDH2 exacerbated PD risk in subjects exposed to ALDH-inhibiting pesticides. Conclusion: ALDH inhibition appears to be an important mechanism through which environmental toxicants contribute to PD pathogenesis, especially in genetically vulnerable individuals, suggesting several potential interventions to reduce PD occurrence or slow or reverse its progression.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
pA |
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Format Inist (serveur)
NO : | PASCAL 14-0057226 INIST |
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ET : | Aldehyde dehydrogenase variation enhances effect of pesticides associated with Parkinson disease |
AU : | FITZMAURICE (Arthur G.); RHODES (Shannon L.); COCKBURN (Myles); RITZ (Beate); BRONSTEIN (Jeff M.) |
AF : | Department of Neurology, David Geffen School of Medicine at UCLA/Los Angeles/Etats-Unis (1 aut., 4 aut., 5 aut.); Department of Molecular Toxicology, University of California/Los Angeles/Etats-Unis (1 aut., 4 aut., 5 aut.); Department of Epidemiology, UCLA Fielding School of Public Health/Los Angeles/Etats-Unis (2 aut., 4 aut.); Department of Environmental Health Sciences, UCLA Fielding School of Public Health/Los Angeles/Etats-Unis (4 aut.); Department of Preventive Medicine, Keck School of Medicine of USC/Los Angeles/Etats-Unis (3 aut.); Parkinson's Disease Research, Education, and Clinical Center, Greater Los Angeles Veterans Affairs Medical Center/Los Angeles/Canada (5 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Neurology; ISSN 0028-3878; Coden NEURAI; Etats-Unis; Da. 2014; Vol. 82; No. 5; Pp. 419-426; Bibl. 40 ref. |
LA : | Anglais |
EA : | Objective: The objective of this study was to determine whether environmental and genetic alterations of neuronal aldehyde dehydrogenase (ALDH) enzymes were associated with increased Parkinson disease (PD) risk in an epidemiologic study. Methods: A novel ex vivo assay was developed to identify pesticides that can inhibit neuronal ALDH activity. These were investigated for PD associations in a population-based case-control study, the Parkinson's Environment & Genes (PEG) Study. Common variants in the mitochondrial ALDH2 gene were genotyped to assess effect measure modification (statistical interaction) of the pesticide effects by genetic variation. Results: All of the metal-coordinating dithiocarbamates tested (e.g., maneb, ziram), 2 imidazoles (benomyl, triflumizole), 2 dicarboxymides (captan, folpet), and 1 organochlorine (dieldrin) inhibited ALDH activity, potentially via metabolic byproducts (e.g., carbon disulfide, thiophosgene). Fifteen screened pesticides did not inhibit ALDH. Exposures to ALDH-inhibiting pesticides were associated with 2- to 6-fold increases in PD risk; genetic variation in ALDH2 exacerbated PD risk in subjects exposed to ALDH-inhibiting pesticides. Conclusion: ALDH inhibition appears to be an important mechanism through which environmental toxicants contribute to PD pathogenesis, especially in genetically vulnerable individuals, suggesting several potential interventions to reduce PD occurrence or slow or reverse its progression. |
CC : | 002B17G; 002B17A01; 002B17A03 |
FD : | Maladie de Parkinson; Pathologie du système nerveux; Aldehyde dehydrogenase (NAD+); Pesticide |
FG : | Oxidoreductases; Enzyme; Pathologie de l'encéphale; Syndrome extrapyramidal; Maladie dégénérative; Pathologie du système nerveux central |
ED : | Parkinson disease; Nervous system diseases; Aldehyde dehydrogenase (NAD+); Pesticides |
EG : | Oxidoreductases; Enzyme; Cerebral disorder; Extrapyramidal syndrome; Degenerative disease; Central nervous system disease |
SD : | Parkinson enfermedad; Sistema nervioso patología; Aldehyde dehydrogenase (NAD+); Plaguicida |
LO : | INIST-6345.354000501695730100 |
ID : | 14-0057226 |
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Pascal:14-0057226Le document en format XML
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<front><div type="abstract" xml:lang="en">Objective: The objective of this study was to determine whether environmental and genetic alterations of neuronal aldehyde dehydrogenase (ALDH) enzymes were associated with increased Parkinson disease (PD) risk in an epidemiologic study. Methods: A novel ex vivo assay was developed to identify pesticides that can inhibit neuronal ALDH activity. These were investigated for PD associations in a population-based case-control study, the Parkinson's Environment & Genes (PEG) Study. Common variants in the mitochondrial ALDH2 gene were genotyped to assess effect measure modification (statistical interaction) of the pesticide effects by genetic variation. Results: All of the metal-coordinating dithiocarbamates tested (e.g., maneb, ziram), 2 imidazoles (benomyl, triflumizole), 2 dicarboxymides (captan, folpet), and 1 organochlorine (dieldrin) inhibited ALDH activity, potentially via metabolic byproducts (e.g., carbon disulfide, thiophosgene). Fifteen screened pesticides did not inhibit ALDH. Exposures to ALDH-inhibiting pesticides were associated with 2- to 6-fold increases in PD risk; genetic variation in ALDH2 exacerbated PD risk in subjects exposed to ALDH-inhibiting pesticides. Conclusion: ALDH inhibition appears to be an important mechanism through which environmental toxicants contribute to PD pathogenesis, especially in genetically vulnerable individuals, suggesting several potential interventions to reduce PD occurrence or slow or reverse its progression.</div>
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<fC07 i1="05" i2="X" l="SPA"><s0>Enfermedad degenerativa</s0>
<s5>39</s5>
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<fC07 i1="06" i2="X" l="FRE"><s0>Pathologie du système nerveux central</s0>
<s5>40</s5>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Central nervous system disease</s0>
<s5>40</s5>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Sistema nervosio central patología</s0>
<s5>40</s5>
</fC07>
<fN21><s1>076</s1>
</fN21>
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<server><NO>PASCAL 14-0057226 INIST</NO>
<ET>Aldehyde dehydrogenase variation enhances effect of pesticides associated with Parkinson disease</ET>
<AU>FITZMAURICE (Arthur G.); RHODES (Shannon L.); COCKBURN (Myles); RITZ (Beate); BRONSTEIN (Jeff M.)</AU>
<AF>Department of Neurology, David Geffen School of Medicine at UCLA/Los Angeles/Etats-Unis (1 aut., 4 aut., 5 aut.); Department of Molecular Toxicology, University of California/Los Angeles/Etats-Unis (1 aut., 4 aut., 5 aut.); Department of Epidemiology, UCLA Fielding School of Public Health/Los Angeles/Etats-Unis (2 aut., 4 aut.); Department of Environmental Health Sciences, UCLA Fielding School of Public Health/Los Angeles/Etats-Unis (4 aut.); Department of Preventive Medicine, Keck School of Medicine of USC/Los Angeles/Etats-Unis (3 aut.); Parkinson's Disease Research, Education, and Clinical Center, Greater Los Angeles Veterans Affairs Medical Center/Los Angeles/Canada (5 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Neurology; ISSN 0028-3878; Coden NEURAI; Etats-Unis; Da. 2014; Vol. 82; No. 5; Pp. 419-426; Bibl. 40 ref.</SO>
<LA>Anglais</LA>
<EA>Objective: The objective of this study was to determine whether environmental and genetic alterations of neuronal aldehyde dehydrogenase (ALDH) enzymes were associated with increased Parkinson disease (PD) risk in an epidemiologic study. Methods: A novel ex vivo assay was developed to identify pesticides that can inhibit neuronal ALDH activity. These were investigated for PD associations in a population-based case-control study, the Parkinson's Environment & Genes (PEG) Study. Common variants in the mitochondrial ALDH2 gene were genotyped to assess effect measure modification (statistical interaction) of the pesticide effects by genetic variation. Results: All of the metal-coordinating dithiocarbamates tested (e.g., maneb, ziram), 2 imidazoles (benomyl, triflumizole), 2 dicarboxymides (captan, folpet), and 1 organochlorine (dieldrin) inhibited ALDH activity, potentially via metabolic byproducts (e.g., carbon disulfide, thiophosgene). Fifteen screened pesticides did not inhibit ALDH. Exposures to ALDH-inhibiting pesticides were associated with 2- to 6-fold increases in PD risk; genetic variation in ALDH2 exacerbated PD risk in subjects exposed to ALDH-inhibiting pesticides. Conclusion: ALDH inhibition appears to be an important mechanism through which environmental toxicants contribute to PD pathogenesis, especially in genetically vulnerable individuals, suggesting several potential interventions to reduce PD occurrence or slow or reverse its progression.</EA>
<CC>002B17G; 002B17A01; 002B17A03</CC>
<FD>Maladie de Parkinson; Pathologie du système nerveux; Aldehyde dehydrogenase (NAD<sup>+</sup>
); Pesticide</FD>
<FG>Oxidoreductases; Enzyme; Pathologie de l'encéphale; Syndrome extrapyramidal; Maladie dégénérative; Pathologie du système nerveux central</FG>
<ED>Parkinson disease; Nervous system diseases; Aldehyde dehydrogenase (NAD<sup>+</sup>
); Pesticides</ED>
<EG>Oxidoreductases; Enzyme; Cerebral disorder; Extrapyramidal syndrome; Degenerative disease; Central nervous system disease</EG>
<SD>Parkinson enfermedad; Sistema nervioso patología; Aldehyde dehydrogenase (NAD<sup>+</sup>
); Plaguicida</SD>
<LO>INIST-6345.354000501695730100</LO>
<ID>14-0057226</ID>
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