RNAi IN S2 CELLS
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Enhancement of RNA Interference Effect in P19 EC Cells by an RNA-dependent RNA Polymerase
Background: RNA interference (RNAi) is a phenomenon uses double-stranded RNA (dsRNA) to specifically inhibit gene expression. The non-specific silencing caused by interferon response to dsRNA in mammalian cells limits the potential of utilizing RNAi to study gene function. Duplexes of 21-nucleotide short interfering dsRNA (siRNA) inhibit gene expression by RNAi. In some organisms, siRNA can als...
متن کاملDouble-stranded RNA is internalized by scavenger receptor-mediated endocytosis in Drosophila S2 cells.
Double-stranded RNA (dsRNA) fragments are readily internalized and processed by Drosophila S2 cells, making these cells a widely used tool for the analysis of gene function by gene silencing through RNA interference (RNAi). The underlying mechanisms are insufficiently understood. To identify components of the RNAi pathway in S2 cells, we developed a screen based on rescue from RNAi-induced leth...
متن کاملمهار بیان ژن GFP به وسیله تداخل RNA (RNAi) در دودمان سلولی کارسینومای جنینی P19
Introduction: RNA interference (RNAi) is a phenomenon of gene silencing that uses double-stranded RNA (dsRNA), specifically inhibits gene expression by degrading mRNA efficiently. The mediators of degradation are 21- to 23-nt small interfering RNAs (siRNA). The use of siRNAs as inhibitors of gene expression has been shown to be an effective way of studying gene function in mammalian cells. Ai...
متن کاملPreparation of Drosophila S2 cells for light microscopy.
The ideal experimental system would be cheap and easy to maintain, amenable to a variety of techniques, and would be supported by an extensive literature and genome sequence database. Cultured Drosophila S2 cells, the product of disassociated 20-24 hour old embryos, possess all these properties. Consequently, S2 cells are extremely well-suited for the analysis of cellular processes, including t...
متن کاملSingle Cl− Channels Activated by Ca2+ in Drosophila S2 Cells Are Mediated By Bestrophins
Mutations in human bestrophin-1 (VMD2) are genetically linked to several forms of retinal degeneration but the underlying mechanisms are unknown. Bestrophin-1 (hBest1) has been proposed to be a Cl(-) channel involved in ion and fluid transport by the retinal pigment epithelium (RPE). To date, however, bestrophin currents have only been described in overexpression systems and not in any native c...
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