نتایج جستجو برای: hek 293
تعداد نتایج: 11391 فیلتر نتایج به سال:
The dopamine transporter (DAT) regulates the clearance of dopamine (DA) released into the extracellular space and is an important site on which psychostimulants act to produce their effects. Here, we show that mitogen-activated protein kinase (MAPK) regulates the transport capacity and intracellular trafficking of DAT. Incubation of striatal synaptosomes or epitope-tagged human DAT (hDAT) human...
IgE-dependent activation of mast cell activation is often associated with symptoms attributed to activation of sensory nerves. Depending on the tissues involved such symptoms include itching, sneezing, irritation, vasodilation, and reflex secretions. In the present study, we hypothesize that sensory neuroactive mediators released from mast cells may include agonists of recently discovered orpha...
Multipotent mesenchymal stem cells (MSCs) can undergo self-renewal and give rise to multi-lineages under given differentiation cues. It is frequently desirable to achieve a stable and high level of transgene expression in MSCs in order to elucidate possible molecular mechanisms through which MSC self-renewal and lineage commitment are regulated. Retroviral or lentiviral vector-mediated gene exp...
BACKGROUND/AIMS The methylation potential (MP) is defined as the ratio of S-adenosylmethionine (AdoMet) to S-adenosylhomocysteine (AdoHcy). It was shown recently that hypoxia increases AdoMet/AdoHcy ratio in HepG2 cells (Hermes et al., Exp Cell Res 294: 325-334, 2004). In the present study, we compared AdoMet/AdoHcy ratio and energy metabolism in HepG2, HEK-293, HeLa, MCF-7 and SK-HEP-1 cell li...
For large-scale applications in biotechnology, cultivation of mammalian cells in suspension is an essential prerequisite. Typically, suspension cultures are grown in glass spinner flasks filled to less than 50% of the nominal volume. We propose a superior system for suspension cultures of mammalian cells based on orbital shaker technology. We found that "square-shaped" bottles (square bottles) ...
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