نتایج جستجو برای: sirna targeting cassette
تعداد نتایج: 175780 فیلتر نتایج به سال:
The aim of the study was to determine whether interleukin-8 (IL-8) affects human SKOV3 ovarian cancer cell migration and invasion by targeting silencing of IL-8 expression. Silencing small-interfering RNA (siRNA) targeting IL-8 gene was constructed to infect SKOV3 cells by lentiviral vector. The expression of IL-8 and p-nuclear factor (NF)-κB protein was detected by western blot analysis. The w...
background: the conventional chemotherapeutic regimens which applied for treatment of acute myeloid leukemia (aml) mostly target tumor bulk but not leukemic stem cells (lscs). aberrant expression or activation of mediators such as osteopontin (opn) or pi3k/pten/akt/mtor pathway plays a key role in making prone to develop leukemia. preventing or treating cancer by curcumin (cur) has been suggest...
زمینه و هدف: یکی از علل اصلی مرگ ومیر ناشی از سرطان در مردان، سرطان پروستات می‌باشد. روش‌های درمانی متفاوتی برای درمان سرطان پروستات وجود دارد؛ اما بسیاری از بیماران مبتلا به سرطان پروستات از عود بیماری پس از عمل و متاستاز رنج می‌برند. افزایش بیان 1 HMGA2، یک پروتئین انکوژن، در انواع مختلف تومورهای بدخیم از قبیل سرطان کولورکتال، تیروئید، پانکراس، ریه با پیشرفت تومور همراه است. هدف از این مطالع...
The ss-siRNA activity in vivo requires a metabolically stable 5'-phosphate analog. In this report we used crystal structure of the 5'-phosphate binding pocket of Ago-2 bound with guide strand to design and synthesize ss-siRNAs containing various 5'-phosphate analogs. Our results indicate that the electronic and spatial orientation of the 5'-phosphate analog was critical for ss-siRNA activity. C...
Effective delivery holds the key to successful in vivo application of therapeutic small interfering RNA (siRNA). In this work, we have developed a universal siRNA carrier consisting of a mesoporous silica nanoparticle (MSNP) functionalized with cyclodextrin-grafted polyethylenimine (CP). CP provides positive charge for loading of siRNA through electrostatic interaction and enables effective end...
The present study aimed to investigate the effects of silencing RIP1 by small interfering RNA (siRNA) on the biological behavior of the LoVo human colorectal carcinoma cell line and to provide evidence for the feasibility of colorectal cancer gene therapy. LoVo cells were divided into the RIP1 siRNA group, the blank control group and the negative control group. Chemically synthesized siRNA targ...
Fig. 7. Simultaneous inhibition of PDK1 and PLCγ1 does not enhance the effect of inhibition of PDK1 or PLCγ1 alone on cell invasion. (A,B) Results from an invasion assay performed with MDA-MB-231 and A375M cells, respectively, expressing shRNA targeting PLCγ1 or a 3MUT non-targeting sequence, and treated with 1 μM GSK2334470. (C,D) Results from invasion assay performed with the indicated MDA-MB...
Embryonic stem cell (ES cell)-based rat knockout technology, although successfully developed in 2010, has seen very limited usage to date due to low targeting efficiency and a lack of optimized procedures. In this study, we performed gene targeting in ES cells from the Sprague-Dawley (SD) and the Fischer 344 (F344) rat strains using an optimized procedure and the self-excising neomycin (neo)-po...
Hyperactivated Ras regulates many oncogenic pathways in several malignant human cancers including glioblastoma and it is an attractive target for cancer therapies. Ras activation in cancer cells drives protein internalization via macropinocytosis as a key nutrient-gaining process. By utilizing this unique endocytosis pathway, here we create a biologically inspired nanostructure that can induce ...
Homology directed repair (HDR)-based genome editing via selectable long flanking arm donors can be hampered by local transgene silencing at transcriptionally silent loci. Here, we report efficient bi-allelic modification of a silent locus in patient-derived hiPSC by using Cas9 nickase and a silencing-resistant donor construct that contains an excisable selection/counter-selection cassette. To i...
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