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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Wolf, Cynthia J. Schmid, Judith E. Lau, Christopher Abbott, Barbara D. |
| Description | Country affiliation: United States Author Affiliation: Wolf CJ ( Developmental Toxicology Branch, Toxicity Assessment Division, NHEERL, ORD, U.S. EPA, Research Triangle Park, NC 27711, United States. wolf.cynthiaj@epa.gov) |
| Abstract | Perfluorinated alkyl acids (PFAAs) are manufactured surfactants found globally in the environment and in tissues of humans and wildlife. Several PFAAs adversely affect rodents and activation of PPAR is thought to be their mode of action. Our previous study demonstrated that some PFAAs activate mouse and human PPAR in transiently transfected COS-1 cells. Here, we test more PFAAs for PPAR activation in the same system. Cells were transfected with either mouse or human PPAR -luciferase reporter plasmid, exposed the next day to either vehicle, PPAR agonist (WY14643), perfluoropentanoic acid (C5), perfluoroheptanoic acid (C7), perfluorooctanoic acid (C8), perfluoroundecanoic acid (C11), or perfluorododecanoic acid (C12) at concentrations from 0.5µM to 100µM, and luminescence was measured after 24h. C8 induced the highest activity for human PPAR , followed by C7, C5, and C11. C12 had little activity. C8 induced the highest activity for mouse PPAR , followed by C11, C7, C12 and C5. The two studies together found increasing activity of PPAR with increasing chain length of the PFAA up to perfluorononanoic acid (C9) and lower activity with longer chain PFAAs with both mouse and human PPAR . |
| File Format | HTM / HTML |
| ISSN | 08906238 |
| Issue Number | 4 |
| Volume Number | 33 |
| e-ISSN | 18731708 |
| Journal | Reproductive Toxicology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-07-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Embryology Discipline Reproductive Medicine Discipline Toxicology Environmental Pollutants Chemistry Toxicity Fluorocarbons Ppar Alpha Metabolism Animals Cos Cells Cell Culture Techniques Cell Survival Drug Effects Cercopithecus Aethiops Dose-response Relationship, Drug Humans Linear Models Mice No-observed-adverse-effect Level Genetics Plasmids Species Specificity Structure-activity Relationship Transfection Journal Article Research Support, U.s. Gov't, Non-p.h.s. |
| Content Type | Text |
| Resource Type | Article |
| Subject | Toxicology |
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