نتایج جستجو برای: ژن pepck
تعداد نتایج: 16446 فیلتر نتایج به سال:
The regulation of synthesis of the gluconeogenic cytosolic enzyme phosphoenolpyruvate carboxykinase (PEPCK) and of tyrosine aminotransferase (TAT) by glucagon and glucocorticoid hormones was studied in hepatocytes maintained in suspension culture for 7 h. Specific antibodies were used to measure relative rates of enzyme synthesis after pulse-labelling of the cells with [3H]leucine or [35S]methi...
All-trans-retinoic acid (RA) is known to increase the rate of transcription of the PEPCK gene upon engagement of the RA receptor (RAR). RA also mediates induction of specific gene transcription via several signaling pathways as a nongenomic effect. Here we show that RA upregulation of PEPCK promoter activity requires the cAMP response element (CRE)-1 in addition to the RA-response element and t...
Trans-splicing ribozyme enables to sense and reprogram target RNA into therapeutic transgene and thereby becomes a good sensing device for detection of cancer cells, judging from transgene expression. Previously we proposed PEPCK-Rz-HSVtk (PRT), hTERT targeting trans-splicing ribozyme (Rz) driven by liver-specific promoter phosphoenolpyruvate carboxykinase (PEPCK) with downstream suicide gene, ...
The human hepatitis B virus (HBV) infection is always a worldwide problem, especially the high risk infection of the neonate by chronically HBV infected mother. McGrane et al. [1] have demonstrated that the gene which is driven by the promoter of phosphoenolpyruvate carboxykinase (PEPCK) is mainly expressed in the mouse liver and immediately appears at parturition. We have constructed a transge...
The genome of trypanosomatids rearranges by using repeated sequences as platforms for amplification or deletion genomic segments. These stochastic recombination events have a direct impact on gene dosage and foster the selection adaptive traits in response to environmental pressure. We provide here such an example showing that phosphoenolpyruvate carboxykinase (PEPCK) knockout (?pepck) leads ev...
Cyclic-AMP stabilizes phosphoenolpyruvate carboxykinase (GTP) (PEPCK) mRNA against degradation. To investigate the mechanism of this effect, RNA mobility shift assays were used to determine the interaction of cellular proteins with specific domains from the mRNA. We report here the identification of a protein with an affinity for sequences of PEPCK mRNA with a predicted stem-loop structure. RNA...
Aberrant glucose regulation is common in preterm and full-term neonates leading to short and long-term morbidity/mortality; however, glucose metabolism in this population is understudied. The aim of this study was to investigate developmental differences in hepatic gluconeogenic pathways in fetal/newborn baboons. Fifteen fetal baboons were delivered at 125 day (d) gestational age (GA), 140d GA,...
OBJECTIVE Abnormal expression of the hepatic gluconeogenic genes (glucose-6-phosphatase [G6Pase] and PEPCK) contributes to hyperglycemia. These genes are repressed by insulin, but this process is defective in diabetic subjects. Protein kinase B (PKB) is implicated in this action of insulin. An inhibitor of PKB, Akt inhibitor (Akti)-1/2, was recently reported; however, the specificity and effica...
The concentrations of plasma glucose, lactate and phosphoenolpyruvate carboxykinase (PEPCK) (EC 4.1.1.32) were studied in caesarian-delivered newborn rats of diabetic mothers (IDM) and normal mothers, at time-intervals up to 6 hr after delivery. Glucose concentrations in plasma of cord blood of IDM were significantly higher than those in normal newborn rats. The glucose concentration of normal ...
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