نتایج جستجو برای: hek 293
تعداد نتایج: 11391 فیلتر نتایج به سال:
Human AE1 (anion exchanger 1) is a membrane glycoprotein found in erythrocytes and as a truncated form (kAE1) in the BLM (basolateral membrane) of a-intercalated cells of the distal nephron, where they carry out electroneutral chloride/bicarbonate exchange. SAO (Southeast Asian ovalocytosis) is a dominant inherited haematological condition arising from deletion of Ala400-Ala408 in AE1, resultin...
The PTH receptor (PTH1R) activates multiple signaling pathways, including extracellular signal-regulated kinases 1 and 2 (ERK1/2). The role of epidermal growth factor receptor (EGFR) transactivation in ERK1/2 activation by PTH in distal kidney cells, a primary site of PTH action, was characterized. ERK1/2 phosphorylation was stimulated by PTH and blocked by the EGFR inhibitor, AG1478. Upon PTH ...
................................................. 3 Background.............................................. 4 Materials and Methods...................................8 Results....................................................12 Discussion................................................14 Acknowledgments.......................................16 References.........................................
background: recently, the use of t7 rna polymerase instead of other viral and cellular promoters is increasing due to high efficacy of transcription in the cell cytoplasm by this polymerase. in order to translate the transcripts produced by t7 rna polymerase in mammalian cell lines, it is necessary to include internal ribosome entry site (ires) sequences. in addition, if sequence of poly a sign...
A novel target specific small interfering RNA (siRNA) delivery system was successfully developed using polyethyleneimine (PEI)-hyaluronic acid (HA) conjugate. Anti-PGL3-Luc siRNA was used as a model system suppressing the PGL3-Luc gene expression. The siRNA/PEI-HA complex with an average size of ca. 21 nm appeared to be formed by electrostatic interaction between the negatively charged siRNA an...
The circadian clock is regulated by a transcription/translation negative feedback loop. A key negative regulator of circadian rhythm in mammals is the PER2 (mammalian PERIOD 2) protein. Its daily degradation at the end of the night accompanies de-repression of transcription. CKI (casein kinase I ) has been identified as the kinase that phosphorylates PER2, targeting it for ubiquitin-mediated pr...
The physiological meaning of the coexpression of adenosine A2A receptors and group I metabotropic glutamate receptors in gamma- aminobutyric acid (GABA)ergic striatal neurons is intriguing. Here we provide in vitro and in vivo evidence for a synergism between adenosine and glutamate based on subtype 5 metabotropic glutamate (mGluR5) and adenosine A2A (A2AR) receptor/receptor interactions. Coloc...
Thymus-expressed chemokine (TECK) has been reported to chemoattract dendritic cells, thymocytes, and activated macrophages. Here, we show that TECK is a specific agonist for a human orphan receptor called GPR-9-6. We have determined the cDNA sequence of human GPR-9-6 and cloned the corresponding murine cDNA. Human and murine GPR-9-6 expression is very high in the thymus and low in lymph nodes a...
INTRODUCTION Since the early 1990s, recombinant human clotting factor VIII (rhFVIII) produced in hamster cells has been available for haemophilia A treatment. However, the post-translational modifications of these proteins are not identical to those of native human FVIII, which may lead to immunogenic reactions and the development of inhibitors against rhFVIII. For the first time, rhFVIII produ...
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