Abstract：
:In the present paper we report evidence about the formation of polyprenyl-phosphate monosaccharides, their elongation products and the assembly of dolichyl-diphosphate-oligosaccharide to endogenous T47D clone 11 proteins upon incubation with [14C]glucose. The influence of estradiol and two nonesteroidal antiestrogens -nafoxidine and tamoxifen- was examined on the dolichol pathway in T47D cell cultures. Estradiol (1 nM) does not change the rate of synthesis of dolichyl-phosphate-sugar derivatives in contrast to nafoxidine and tamoxifen both a micromolar concentration, which induce a remarkable decrease in the formation of dolichol-sugar derivatives. In addition, T47D cells were pretreated with nafoxidine or tamoxifen during one hour, fresh medium supplemented with estradiol was added to the cells simultaneously with [14C]glucose. Results indicated that estradiol after nafoxidine induces a slight increase in the polyprenyl-sugar derivatives formation, however, estradiol after tamoxifen decreases the synthesis of these substances.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Santa Cruz AR,Medrano EE,Baldi Adoi
10.1016/0006-291x(85)90617-5subject
Has Abstractpub_date
1985-01-16 00:00:00pages
382-8issue
1eissn
0006-291Xissn
1090-2104pii
0006-291X(85)90617-5journal_volume
126pub_type
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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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