Document Detail


Cross-placental transfer of organochlorine pesticides in Mexican free-tailed bats from Oklahoma and New Mexico.
MedLine Citation:
PMID:  8060168     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A total of 41 pregnant Mexican free-tailed bats (Tadarida brasiliensis) were collected from Carlsbad Caverns, New Mexico, and Vickery Cave, Oklahoma, in May and June 1990 and May 1991 for organochlorine pesticide analyses. Residues of p,p'-DDE were detected by gas chromatography in 40 embryos at levels highly correlated with brain concentrations (r = 0.496) but were not correlated mother's body tissues (r = 0.060). Embryonic levels also did not correlate with either embryonic fat content (r = 0.018) or maternal fat content (r = 0.300), suggesting that placental membranes offer only marginal protection for developing embryos against exposure to lipophilic organochlorine pesticides.
Authors:
M L Thies; K McBee
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Archives of environmental contamination and toxicology     Volume:  27     ISSN:  0090-4341     ISO Abbreviation:  Arch. Environ. Contam. Toxicol.     Publication Date:  1994 Aug 
Date Detail:
Created Date:  1994-09-14     Completed Date:  1994-09-14     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0357245     Medline TA:  Arch Environ Contam Toxicol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  239-42     Citation Subset:  IM    
Affiliation:
Department of Biological Sciences, Sam Houston State University, Huntsville, Texas 77341.
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MeSH Terms
Descriptor/Qualifier:
Animals
Brain / metabolism
Chiroptera / embryology,  metabolism*
Female
Hydrocarbons, Chlorinated*
Insecticides / pharmacokinetics*
Maternal-Fetal Exchange*
New Mexico
Oklahoma
Pesticide Residues / pharmacokinetics*
Pregnancy
Chemical
Reg. No./Substance:
0/Hydrocarbons, Chlorinated; 0/Insecticides; 0/Pesticide Residues

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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