Linked Life Data

3031560

Source:http://linkedlifedata.com/resource/pubmed/id/3031560

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1987-5-21
pubmed:abstractText
The ubiquitous functional roles of brain catecholamines have led to the notion that in vitro neurochemical changes in these systems may predict neurotoxicity. Conversely, others have argued that the appropriate use of neurochemical methods is for testing specific hypotheses that are developed based on observed phenomena. Three studies from this laboratory are presented in support of the latter hypothesis. The first example is with inorganic lead, a major environmental pollutant. The effects of small doses of lead on CNS development have been difficult to quantify or study mechanistically. However, the serendipitous finding that lead exposure during early postnatal development increased lithium-induced polydipsia (LIP) has provided clues that have permitted testing of specific neurochemical hypotheses related to dopamine systems. Conversely, the administration of either trimethyl- or triethyltin to rats during perinatal periods causes profound neurotoxicity. However, although some changes in the neurochemistry of catecholamine systems have been found, these data have provided little insight into either the cause or sequelae of toxicity. Finally, the food color erythrosin (FD & C Red #3) was hypothesized to be a neurotoxicant because it disrupted neurotransmitter uptake in vitro. Our data suggested this was an artifact of the methodology, a position supported by clinical and behavioral studies. These data provide examples of the strengths and weaknesses in neurochemical approaches to neurotoxicity.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0161-813X
pubmed:author
pubmed:issnType
Print
pubmed:volume
8
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
123-39
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1987
pubmed:articleTitle
Neurotoxicants and central catecholamine systems.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Review