rdf:type |
|
lifeskim:mentions |
|
pubmed:issue |
4
|
pubmed:dateCreated |
1999-11-30
|
pubmed:abstractText |
The aim of this study was to find out lead interaction on acetylcholine-induced ileal (0.8 "to 1" longitudinal total strips) contractions in varying calcium (Ca++) or magnesium (Mg++) media and the cholinergic mechanism. Potentiation of ileal strips by lead (Pb++) remained dose-dependent as elicited by acetylcholine-induced contractions (1.81 x 10(-6) M to 1.28 x 10(-4) M). These were completely antagonized by atropine (1.01 x 10(-8) M). Lead (1.2 x 10(-5) M) potentiated contractions caused by acetylcholine in normal or in excess Ca++ media, but in low Ca++ or with various Mg++ media, lead failed to potentiate such contractions. Thus Pb++ has indirect cholinomimetic effect which involved extracellular Ca++.
|
pubmed:language |
eng
|
pubmed:journal |
|
pubmed:citationSubset |
IM
|
pubmed:chemical |
|
pubmed:status |
MEDLINE
|
pubmed:month |
Jul
|
pubmed:issn |
0304-4602
|
pubmed:author |
|
pubmed:issnType |
Print
|
pubmed:volume |
28
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
488-93
|
pubmed:dateRevised |
2006-11-15
|
pubmed:meshHeading |
pubmed-meshheading:10561758-Acetylcholine,
pubmed-meshheading:10561758-Animals,
pubmed-meshheading:10561758-Atropine,
pubmed-meshheading:10561758-Dose-Response Relationship, Drug,
pubmed-meshheading:10561758-Drug Synergism,
pubmed-meshheading:10561758-Female,
pubmed-meshheading:10561758-Ileum,
pubmed-meshheading:10561758-Lead,
pubmed-meshheading:10561758-Magnesium,
pubmed-meshheading:10561758-Male,
pubmed-meshheading:10561758-Muscarinic Antagonists,
pubmed-meshheading:10561758-Muscle, Smooth,
pubmed-meshheading:10561758-Muscle Contraction,
pubmed-meshheading:10561758-Rats,
pubmed-meshheading:10561758-Rats, Wistar
|
pubmed:year |
1999
|
pubmed:articleTitle |
Potentiation of acetylcholine-induced smooth muscle contraction in rat ileum by lead.
|
pubmed:affiliation |
Department of Neurobehavioural Toxicology, National Institute of Occupational Health, Gujarat, India.
|
pubmed:publicationType |
Journal Article,
In Vitro
|