نتایج جستجو برای: hek293
تعداد نتایج: 3784 فیلتر نتایج به سال:
BACKGROUND Tenofovir (TFV) causes kidney tubular dysfunction (KTD) in some patients, but the mechanism is poorly understood. Genetic variants in TFV transporters are implicated; we explored whether ABCC10 transports TFV and whether ABCC10 single-nucleotide polymorphisms (SNPs) are associated with KTD. METHODS TFV accumulation was assessed in parental and ABCC10-transfected HEK293 cells (HEK29...
Human cytosolic sulfotransferase SULT1E1 catalyzes the sulfation of endogenous estrogens as well as xenobiotic estrogen-like chemicals. This reaction increases the water solubility of the molecule, which may affect its cellular distribution and biological activity. This could alter estrogen signaling to the estrogen receptor in human estrogen receptor-positive cells. The current work characteri...
BACKGROUND Extracellular translationally controlled tumor protein (TCTP) is known to play a role in human allergic responses. TCTP has been identified outside of macrophages, in activated mononuclear cells, and in biological fluids from allergic patients. Even TCTP devoid of signal sequences, is secreted to extracellular environment by an yet undefined mechanism. This study is aimed at understa...
Myricetin (Myr) is a f lavonoid that exerts anti-arrhythmic effects. However, its potential effects on ion channels have remained elusive. The aim of the present study was to investigate the effects of Myr on Kv1.5 channels in HEK293 cells. The current of Kv1.5 channels (Ikur) in HEK293 cells was recorded using the whole-cell patch-clamp technique and the expression of the Kv1.5 protein was mea...
Hek293 cells are the predominant hosts for transient expression of recombinant proteins and are used for stable expression of proteins where post-translational modifications performed by CHO cells are inadequate. Nevertheless, there is little information available on the key cellular features underpinning recombinant protein production in Hek293 cells. To improve our understanding of recombinan...
Advanced glycation end product receptors (AGERs) play distinct functional roles in both the toxicity and disposal of advanced glycation end products (AGEs), substances that are linked to diabetes and aging. Overexpression of AGER1 in murine mesangial cells (MCs) (MC-R1) inhibited AGE-induced MAPK1,2 phosphorylation and NF-kappaB activity and also increased AGE degradation. The mechanism of the ...
OBJECTIVES Vapreotide, a synthetic analog of somatostatin, has analgesic activity most likely mediated through the blockade of neurokinin-1 receptor (NK1R), the substance P (SP)-preferring receptor. The ability of vapreotide to interfere with other biological effects of SP has yet to be investigated. METHODS We studied the ability of vapreotide to antagonize NK1R in three different cell types...
Stereoselective transport of methotrexate (L-amethopterin, L-MTX) and its antipode (D-amethopterin, D-MTX) by the proton-coupled folate transporter (PCFT) was examined using PCFT-expressing HEK293 cells (PCFT-HEK293 cells). Uptake of both L-MTX and D-MTX was pH-dependent and decreased with an increase in the extracellular pH from 5.0 to 7.4. The initial uptake rate of L-MTX into PCFT-HEK293 cel...
Human cytosolic sulfotransferase SULT1E1 catalyzes the sulfation of endogenous estrogens as well as xenobiotic estrogen-like chemicals. This reaction increases the water solubility of the molecule, which may affect its cellular distribution and biological activity. This could alter estrogen signaling to the estrogen receptor in human estrogen receptor-positive cells. The current work characteri...
U373MG astrocytoma cells endogenously express the full-length neurokinin 1 receptor (NK1R). Substance P (SP), the natural ligand for NK1R, triggers rapid and transient membrane blebbing and we report that these morphological changes have different dynamics and intracellular signaling as compared to the changes that we have previously described in HEK293-NK1R cells. In both cell lines, the SP-in...
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