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Abstract Title:

Pesticide and insect repellent mixture (permethrin and DEET) induces epigenetic transgenerational inheritance of disease and sperm epimutations.

Abstract Source:

Reprod Toxicol. 2012 Dec ;34(4):708-19. Epub 2012 Sep 11. PMID: 22975477

Abstract Author(s):

Mohan Manikkam, Rebecca Tracey, Carlos Guerrero-Bosagna, Michael K Skinner

Article Affiliation:

Mohan Manikkam

Abstract:

Environmental compounds are known to promote epigenetic transgenerational inheritance of disease. The current study was designed to determine if a"pesticide mixture"(pesticide permethrin and insect repellent N,N-diethyl-meta-toluamide, DEET) promotes epigenetic transgenerational inheritance of disease and associated DNA methylation epimutations in sperm. Gestating F0 generation female rats were exposed during fetal gonadal sex determination and the incidence of disease evaluated in F1 and F3 generations. There were significant increases in the incidence of total diseases in animals from pesticide lineage F1 and F3 generation animals. Pubertal abnormalities, testis disease, and ovarian disease (primordial follicle loss and polycystic ovarian disease) were increased in F3 generation animals. Analysis of the pesticide lineage F3 generation sperm epigenome identified 363 differential DNA methylation regions (DMR) termed epimutations. Observations demonstrate that a pesticide mixture (permethrin and DEET) can promote epigenetic transgenerational inheritance of adult onset disease and potential sperm epigenetic biomarkers for ancestral environmental exposures.

Study Type : Animal Study

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Sayer Ji
Founder of GreenMedInfo.com

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