Abstract:
:Inhibition of synthesis of estradiol 17beta by the addition of inhibitors of aromatase, a key enzyme in the biosynthesis of estradiol 17beta, or addition of tamoxifen - an estrogen receptor antagonist, to human placental minces resulted in an increase in the level of LDL-receptor mRNA. This increase could be blocked by the simultaneous addition of estradiol 17beta. A concentration dependent effect of estradiol 17beta on the level of LDL-receptor mRNA was seen both in first trimester, and term placenta. Addition of human chorionic gonadotropin (hCG) to term placental minces also increased the LDL-receptor mRNA levels. When hCG and cycloheximide were added together, an additive effect was observed. The results obtained in this study suggest that the LDL-receptor mRNA levels in the human placenta are regulated by estradiol 17beta and hCG.
journal_name
Mol Cell Biochemjournal_title
Molecular and cellular biochemistryauthors
Shanker YG,Shetty UP,Rao AJdoi
10.1023/a:1006843812495subject
Has Abstractpub_date
1998-10-01 00:00:00pages
133-9issue
1-2eissn
0300-8177issn
1573-4919journal_volume
187pub_type
杂志文章abstract::Recent studies indicate that the mucosa of the urinary bladder may play a major role in the maintenance of normal bladder function. The mucosal surface of the urinary bladder serves as a protective layer against the irritative solutes found in the urine. The integrity of this barrier can be broken by overdistension, a...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF00926832
更新日期:1993-08-11 00:00:00
abstract::Striatal neuronal cell death is one of the pathological features of Huntington's disease (HD). Overexpression of some heat shock proteins (HSPs) has been reported to suppress the aggregate formation of mutant huntingtin and concurrent cell death. Heat shock transcription factor-1 (HSF 1), a major transcription factor ...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/s11010-012-1528-z
更新日期:2013-03-01 00:00:00
abstract::Endothelial cell nitric oxide synthase (NOS) is known to have a N-myristoylation consensus sequence. Such a consensus sequence is not evident in the macrophage, smooth muscle and neuronal NOS. A functional role for this N-terminal myristoylation is not clear yet. In the present study, we examined the effect of N-termi...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF01076076
更新日期:1995-11-22 00:00:00
abstract::Techniques routinely utilized in this laboratory for recording currents through single ionic channels of isolated atrial and ventricular rat cardiomyocytes are described. Emphasis is placed in two main areas: first, on methods for obtaining a sufficient yield of Ca++-tolerant myocytes suitable for patch clamp experime...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF00231002
更新日期:1988-03-01 00:00:00
abstract::Membranous guanylate cyclase in retinal photoreceptor outer segments (ROS-GC), a key enzyme for the recovery of photoreceptors to the dark state, has a topology identical to and cytoplasmic domains homologous to those of peptide-regulated GCs. However, under the prevailing concept, its activation mechanism is signific...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章,评审
doi:10.1007/s11010-009-0323-y
更新日期:2010-01-01 00:00:00
abstract::The ability of the gap junction phosphoprotein connexin-43 (Cx43) to inhibit DNA synthesis in primary cardiomyocytes is regulated by serine (S) 262, a protein kinase C phosphorylation site that also affects metabolic coupling. We have now examined if the S262-regulated growth suppression is operating in transformed ce...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/s11010-006-9162-2
更新日期:2006-09-01 00:00:00
abstract::Tyrosine levels are abnormally elevated in tissues and body fluids of patients with inborn errors of tyrosine metabolism. Tyrosinemia type II, which is caused by tyrosine aminotransferase deficiency, provokes eyes, skin, and central nervous system disturbances in affected patients. However, the mechanisms of brain dam...
journal_title:Molecular and cellular biochemistry
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journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/s11010-015-2425-z
更新日期:2015-08-01 00:00:00
abstract::The function of the uterine smooth muscle in gestation and parturition is affected by a variety of hormones and biomolecules, some of which alter the intracellular levels of cAMP and Ca2+. Since the activity of smooth muscle MLCK has been shown to be modulated by phosphorylation, the effect of this modification of pre...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF01076564
更新日期:1995-08-01 00:00:00
abstract::Lysosomes are defined traditionally with the marker enzyme acid phosphatase. We showed recently that lysosomes from human fibroblasts can be separated into a light and dense fraction as well as prelysosomal population. We now provide evidence that although acid phosphatase is enriched in all three fractions, the marke...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF00219260
更新日期:1989-06-01 00:00:00
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journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF00944398
更新日期:1995-03-23 00:00:00
abstract::MicroRNAs (miRNAs, miRs) play important roles in pathogenesis and development of human diseases, including malignancy. Some may affect tumor progression through targeting tumor suppressor genes. MiR-135b has been shown to be upregulated in CRC. In this study, we evaluated the role of miR-135b in colorectal cancer (CRC...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/s11010-013-1916-z
更新日期:2014-03-01 00:00:00
abstract::Proteins which are major substrates of epidermal transglutaminases can be identified in cultured keratinocytes of human, cow, and new-born rat. Cow and human keratinocytes both contain substrate proteins which are 30 000 to 50 000 daltons in size but dissociable in SDS to 12 000 daltons or less. In both species these ...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF00240612
更新日期:1984-01-01 00:00:00
abstract::Previously, we isolated and characterized the gene encoding the 3'-Nucleotidase/Nuclease (Ld3'NT/NU) from the human pathogen, Leishmania donovani. This unique cell surface enzyme has been shown to be involved in the salvage of host-derived purines, which are essential for the survival of this important protozoan paras...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1023/a:1010809420104
更新日期:2001-04-01 00:00:00
abstract::Modulation of Ca(2+) homoeostasis in cardiac myocytes plays a major role in beat-to-beat regulation of heart function. Previous studies suggest that sphingosine-1-phosphate (S1P), a biologically active sphingomyelin metabolite, regulates Ca(2+) handling in cardiac myocytes, but the underlying mechanism is unclear. In ...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/s11010-016-2752-8
更新日期:2016-08-01 00:00:00
abstract::Rat erythrocytes, in contrast to red blood cells from other mammals, have been shown to contain only one hexokinase isozymic form identified as type I by chromatographic and kinetic properties. Rat reticulocytes contain 3.6-times the hexokinase activity found in mature erythrocytes but exactly the same isozyme. By a c...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF00224765
更新日期:1986-02-01 00:00:00
abstract::To extend the available information on the significance of the interactions between glycolytic enzymes and the actin component of the cellular ultrastructure, investigations into the compositional characteristics of the actin binding site on one of the major glycolytic enzymes, aldolase, have been undertaken. As the e...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF00219317
更新日期:1988-06-01 00:00:00
abstract::The present investigation was carried out to evaluate the antioxidant nature of ethanolic extract of Terminalia arjuna bark (EETA) on N-nitrosodiethylamine (DEN) induced liver cancer in male Wistar albino rats. Liver cancer was induced by single intraperitonial injection of DEN (200 mg/kg). After 2 weeks of DEN admini...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/s11010-006-0433-8
更新日期:2006-01-01 00:00:00
abstract::Incubation of Clone 9 cells, a nontransformed rat liver cell line, in the presence of 5 mM azide results in an induction of GLUT1 mRNA which becomes detectable after approximately 3 h of continuous exposure to the agent. In examining the role of on-going protein synthesis in this response, we found that: (i) the induc...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1023/a:1006894527145
更新日期:1998-10-01 00:00:00
abstract::Hydrocortisone hemisuccinate within 4 hours after in vivo administration produced an increase in precursor incoporation into rat thymus RNA and proteins in the whole animal. From these results, together with information obtained from measurements of the tyrosine aminotransferase activity and the action of mitomycin C ...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF01751307
更新日期:1975-12-31 00:00:00
abstract::Microtubule-associated proteins (MAPs) were separated from tubulin with several different methods. The ability of the isolated MAPs to reinduce assembly of phosphocellulose purified tubulin differed markedly between the different methods. MAPs isolated by addition of 0.35 M NaCl to taxol-stabilized microtubules stimul...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF00227754
更新日期:1991-07-10 00:00:00
abstract::The (Ca2+ + Mg2+) ATPase which serves as a Ca2+ pump in the kidney basolateral membranes is essential to the maintenance of an intracellular Ca2+ concentration optimal for kidney function. Since atrial natriuretic peptide (ANP) is known to participate in the Ca2+ homeostasis mechanism, altered levels of ANP in diabete...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF00230370
更新日期:1991-06-26 00:00:00
abstract::Spray-dried milk enriched with n-3 fatty acids from linseed oil (LSO) or fish oil (FO) were fed to rats to study its influence on liver lipid peroxides, hepatic antioxidant enzyme activities, serum prostaglandins and platelet aggregation. Significant level of alpha linolenic acid, eicosapentaenoic acid and docosahexae...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/s11010-005-7094-x
更新日期:2005-09-01 00:00:00
abstract::The influence of altered levels of endogenous catecholamines following adrenalectomy or 6-hydroxydopamine (6-OH) treatment (alone or in combination) on enzymatic (glutathione reductase, catalase, glutathione peroxidase and Cu, Zn superoxide dismutase) and non-enzymatic (glutathione) antioxidant components of heart, li...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:
更新日期:1995-11-08 00:00:00
abstract::Female rats at weaning (30 days age) were maintained on vitamin E-deficient diet for 70 days. The vitamin E-deficient and control animals were sacrificed on 100 days of age. To study recovery a group of animals were supplemented with normal diet for last 25 days after initial 45 days of deficient diet or vice versa. T...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1023/a:1006954032164
更新日期:1999-08-01 00:00:00
abstract::Signal transduction pathways control various biological processes in cells leading to distinct cellular functions. Protein-protein interactions and post-translational modifications are the physiological events that occur in signaling pathway. p38 MAPK are known to be involved in regulating wide range of cellular proce...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/s11010-017-3062-5
更新日期:2017-11-01 00:00:00
abstract::Several peptides derived from microtubule-associated tau protein, have been tested as substrates for glycogen synthase kinase 3 (GSK 3). In the absence of cofactors, GSK 3 can modify serines or threonines followed by prolines. In other cases, a phosphorylation in position +4 is required for the phosphorylation of thre...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/BF00229744
更新日期:1996-12-06 00:00:00
abstract::Four situations in which membrane transport is altered by disease are discussed: (a) non-specific leaks induced by poreforming agents; (b) glucose transport and cellular stress; (c) Ca2+-ATPase and hypertension; (d) Na+ channels and HSV infection. ...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章,评审
doi:10.1007/BF00228073
更新日期:1989-11-23 00:00:00
abstract:BACKGROUND:It has been reported that long intergenic non-protein-coding RNA 324 (LINC00324) promotes liver cancer by upregulating Fas ligand (FasL), which is a major player in intervertebral disk degeneration (IDD), indicating the involvement of LINC00324 in IDD. This study was carried out to investigate the interactio...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章
doi:10.1007/s11010-021-04058-9
更新日期:2021-01-28 00:00:00
abstract::Oxygen is a diradical and because of its unique electronic configuration, it has the potential to form strong oxidants (e.g. superoxide radical, hydrogen peroxide and hydroxyl radical) called oxygen free radicals or partially reduced forms of oxygen (PRFO). These highly reactive oxygen species can cause cellular injur...
journal_title:Molecular and cellular biochemistry
pub_type: 杂志文章,评审
doi:10.1007/BF00926366
更新日期:1993-12-22 00:00:00