نتایج جستجو برای: vsvg protein
تعداد نتایج: 1234696 فیلتر نتایج به سال:
DBC2 is a tumor suppressor gene linked to breast and lung cancers. Although DBC2 belongs to the RHO GTPase family, it has a unique structure that contains a Broad-Complex/Tramtrack/Bric a Brac (BTB) domain at the C terminus instead of a typical CAAX motif. A limited number of functional studies on DBC2 have indicated its participation in diverse cellular activities, such as ubiquitination, cell...
objective(s):this study aims at exploring cytotoxic activity of different peptides derived from vsvg protein against mcf-7 and mda-mb-231 breast cancer cell lines and human embryonic kidney normal cell (hek 293). materials and methods: the anticp web server was used to predict anticancer peptides. the cytotoxic activity of peptides with high score (p26, p7) and low score (p19) was examined b...
Exosomes are cell-derived nanovesicles that hold promise as living vehicles for intracellular delivery of therapeutics to mammalian cells. This potential, however, is undermined by the lack of effective methods to load exosomes with therapeutic proteins and to facilitate their uptake by target cells. Here, we demonstrate how a vesicular stomatitis virus glycoprotein (VSVG) can both load protein...
Production of a vesicular stomatitis virus spike protein G (VSVG)-pseudotyped lentiviral expression vector in HEK293 cells decreased on overexpression of low-density lipoprotein receptor (LDLR) but not that of ICAM1 or TfR1. Reverse transcription-quantitative PCR (RT-qPCR) revealed a reduction in vector RNA as a function of LDLR expression. Decreased syncytium formation suggested diminished sur...
Quantitative time-lapse imaging data of single cells expressing the transmembrane protein, vesicular stomatitis virus ts045 G protein fused to green fluorescent protein (VSVG-GFP), were used for kinetic modeling of protein traffic through the various compartments of the secretory pathway. A series of first order rate laws was sufficient to accurately describe VSVG-GFP transport, and provided co...
Activation of the EPO-R [EPO (erythropoietin) receptor] by its ligand EPO promotes erythropoiesis. Low cell surface EPO-R levels are traditionally attributed to inefficient folding mediated by the receptor extracellular domain. In the present study, we addressed the role of the EPO-R intracellular domain in exit from the ER (endoplasmic reticulum) and surface expression. A fusion protein betwee...
A recombinant S segment RNA (Sr) of the prototypic arenavirus lymphocytic choriomeningitis virus (LCMV) where the glycoprotein of vesicular stomatitis virus (VSVG) was substituted for the glycoprotein of LCMV (LCMV-GP) was produced intracellularly from cDNA under the control of a polymerase I promoter. Coexpression of the LCMV proteins NP and L allowed expression of VSVG from Sr. Infection of t...
Sterols inhibit their own synthesis in mammalian cells by blocking the vesicular endoplasmic reticulum-to-Golgi transport of sterol regulatory element-binding protein (SREBP) cleavage-activating protein (SCAP), a sterol-sensing protein that escorts SREBPs. Unable to reach the Golgi, SREBPs are not processed by Golgi-resident proteases, and they fail to activate genes required for cholesterol sy...
Heat shock protein 90 (HSP90) is considered a specialized molecular chaperone that controls the folding of cell-regulatory proteins such as steroid receptors and kinases. However, its high abundance is suggestive of a more general function in other fundamental processes. Here, we show that HSP90 is required for vesicular protein transport in the cell. We have identified a novel chaperone comple...
Procollagen (PC)-I aggregates transit through the Golgi complex without leaving the lumen of Golgi cisternae. Based on this evidence, we have proposed that PC-I is transported across the Golgi stacks by the cisternal maturation process. However, most secretory cargoes are small, freely diffusing proteins, thus raising the issue whether they move by a transport mechanism different than that used...
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