Abstract:
:Two adenylate cyclase inhibitors: 9-(tetrahydro-2-furyl)adenine and 2'5'-dideoxyadenosine decreased cAMP levels in LH-stimulated immature rat Leydig cells by 20-40%, independent of the concentration of LH. Steroid production was not correlated with this decrease in cAMP, but was increased (146%). The phorbol ester 4 beta-phorbol-12-myristate-13-acetate stimulated steroidogenesis and the phosphorylation of a 17 kD and a 33 kD protein, which was also stimulated by LH, whereas the inactive phorbol ester 4 beta-phorbol-12,13-diacetate did not have any effects. Moreover, the Ca2+-channel blocker diltiazem inhibited LH effects, but had no direct effects on the cholesterol side chain cleavage enzyme. It is concluded that cAMP may not be the only second messenger in LH action, and that other second messenger systems are probably also involved.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Themmen AP,Hoogerbrugge JW,Rommerts FF,van der Molen HJdoi
10.1016/0006-291x(85)91063-0subject
Has Abstractpub_date
1985-05-16 00:00:00pages
1164-72issue
3eissn
0006-291Xissn
1090-2104pii
0006-291X(85)91063-0journal_volume
128pub_type
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.2001.6298
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(89)91666-5
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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journal_title:Biochemical and biophysical research communications
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pub_type: 杂志文章
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:2000-08-28 00:00:00
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journal_title:Biochemical and biophysical research communications
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更新日期:1988-12-30 00:00:00
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journal_title:Biochemical and biophysical research communications
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更新日期:1991-04-30 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1006/bbrc.1998.8213
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/s0006-291x(87)80155-9
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:1998-05-19 00:00:00
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更新日期:2020-07-12 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:2013-03-08 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:1985-03-15 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
doi:10.1016/0006-291x(85)91854-6
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:1998-04-28 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:1996-10-14 00:00:00
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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更新日期:2021-01-01 00:00:00