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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1994-5-2
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pubmed:abstractText |
The effect of various benzodiazepines (peripheral-type receptor ligands: Ro 5-4864, PK 11135; central-type receptor ligands: clonazepam, Ro 15-1788, Ro 15-4513; mixed type: diazepam) on the proliferation of estrogen-induced rat pituitary prolactin-secreting tumor cells was studied in vitro. [3H]thymidine incorporation into DNA was used as an index of cell proliferation. It was found that tested peripheral- and mixed-type benzodiazepine receptor ligands significantly suppressed the pituitary cell proliferation in a dose-dependent manner (10(-4)-10(-8) M). The inhibitory effect of Ro 5-4864 was reversed by 5 x 10(-3) M calcium chloride. On the other hand, central-type benzodiazepine receptor ligands suppressed tumor cell proliferation only at the highest concentration studied (10(-4) M). Our results indicate that benzodiazepines might exert an antiproliferative action on pituitary tumor cell growth, and that this effect seems to be a calcium-dependent process.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Benzodiazepines,
http://linkedlifedata.com/resource/pubmed/chemical/DNA, Neoplasm,
http://linkedlifedata.com/resource/pubmed/chemical/Ligands,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, GABA-A,
http://linkedlifedata.com/resource/pubmed/chemical/Thymidine
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pubmed:status |
MEDLINE
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pubmed:month |
Jan
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pubmed:issn |
0028-3835
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
59
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
92-6
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pubmed:dateRevised |
2008-11-21
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pubmed:meshHeading |
pubmed-meshheading:8145899-Animals,
pubmed-meshheading:8145899-Benzodiazepines,
pubmed-meshheading:8145899-Cell Division,
pubmed-meshheading:8145899-DNA, Neoplasm,
pubmed-meshheading:8145899-Dose-Response Relationship, Drug,
pubmed-meshheading:8145899-Female,
pubmed-meshheading:8145899-Ligands,
pubmed-meshheading:8145899-Pituitary Neoplasms,
pubmed-meshheading:8145899-Rats,
pubmed-meshheading:8145899-Rats, Inbred F344,
pubmed-meshheading:8145899-Receptors, GABA-A,
pubmed-meshheading:8145899-Thymidine,
pubmed-meshheading:8145899-Tumor Cells, Cultured
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pubmed:year |
1994
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pubmed:articleTitle |
Inhibition of rat pituitary tumor cell proliferation by benzodiazepines in vitro.
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pubmed:affiliation |
Institute of Endocrinology, University School of Medicine, Lód?, Poland.
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pubmed:publicationType |
Journal Article
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