Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2011-2-8
pubmed:abstractText
In the first part of a series of studies to account for perfluorooctane sulfonate (PFOS)-induced sheep red blood cell (SRBC)-specific immunoglobulin M (IgM) antibody suppression in mice, a survey of clinical and immunotoxicological endpoints was examined. Adult female B?C?F? mice were exposed orally for 28 days to a total administered dose (TAD) of 0, 0.1, 0.5, 1, or 5 mg PFOS/kg. Uterus wet weight was significantly decreased compared with control at the 5 mg/kg dose. No indications of wasting syndrome, malnutrition, alteration of thyroid homeostasis, or signs of overt toxicity were observed. Numbers of splenic CD19+/CD21?, CD19+/CD21+, B220+/CD40+, CD4+/CD154?, CD4+/CD154+, and MHC-II+ cells were not altered. Additionally, ex vivo interleukin-4 (IL-4), IL-5, and IL-6 production by in vitro anti-CD3- or phorbol myristate acetate-stimulated CD4+ T-cells was not affected. Ex vivo IL-6 production by B-cells was significantly increased by in vitro stimulation with either anti-CD40 or lipopolysaccharide. Increased IL-6 production by B-cells was the most sensitive endpoint assessed resulting in alterations at the lowest dose tested (0.1 mg/kg TAD) following anti-CD40 stimulation. Further studies are required to characterize effects on inflammatory markers such as IL-6 at environmentally relevant concentrations of PFOS and to determine the key events associated with PFOS-induced IgM suppression to address potential human health risks.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1547-6901
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
8
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
17-29
pubmed:meshHeading
pubmed-meshheading:21261439-Alkanesulfonic Acids, pubmed-meshheading:21261439-Animals, pubmed-meshheading:21261439-Antigens, CD, pubmed-meshheading:21261439-B-Lymphocytes, pubmed-meshheading:21261439-Body Weight, pubmed-meshheading:21261439-Dose-Response Relationship, Drug, pubmed-meshheading:21261439-Environmental Pollutants, pubmed-meshheading:21261439-Enzyme-Linked Immunosorbent Assay, pubmed-meshheading:21261439-Female, pubmed-meshheading:21261439-Fluorocarbons, pubmed-meshheading:21261439-Immunoglobulin M, pubmed-meshheading:21261439-Interleukin-6, pubmed-meshheading:21261439-Liver, pubmed-meshheading:21261439-Mice, pubmed-meshheading:21261439-Mice, Inbred Strains, pubmed-meshheading:21261439-Organ Size, pubmed-meshheading:21261439-Spleen, pubmed-meshheading:21261439-T-Lymphocytes, pubmed-meshheading:21261439-Thyroid Hormones, pubmed-meshheading:21261439-Tissue Distribution
pubmed:articleTitle
Effects of environmentally-relevant levels of perfluorooctane sulfonate on clinical parameters and immunological functions in B6C3F1 mice.
pubmed:affiliation
National Oceanic and Atmospheric Administration, National Ocean Service, Center for Coastal Environmental Health & Biomolecular Research, Charleston, SC, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, Non-P.H.S., Research Support, N.I.H., Extramural