نتایج جستجو برای: h1299 cells
تعداد نتایج: 1383604 فیلتر نتایج به سال:
Titanium surface modification is crucial to improving its bioactivity, mainly its bone binding ability in bone implant materials. In order to functionalize titanium with small interfering RNA (siRNA) for sustained gene silencing in nearby cells, the layer-by-layer (LbL) approach was applied using sodium hyaluronate and chitosan/siRNA (CS/siRNA) nanoparticles as polyanion and polycation, respect...
The NF-κB pathway is overexpressed in non-small cell lung cancers (NSCLC) and contributes to the poor prognosis and high mortality characterizing this malignancy. Silencing the p50 and p65 NF-κB subunits in the NSCLC H1299 cell line led to profound loss in cell viability and downregulated anti-apoptotic proteins survivin and Mcl1. We also showed that a survivin suppressant, the dioxonaphthoimid...
RAF1 (c-raf) has been known as an important tumor-promoter in many cancers. However, the regulatory mechanisms affecting expressions are rarely reported. This study aimed to predict candidate miRNAs of gene and verify their functions progression lung cancer. The expression miR-643 was detected by reverse transcription polymerase chain reaction (RT-PCR). A dual-luciferase report system used rela...
BACKGROUND Acquired resistance to cisplatin treatment is a caveat when treating patients with non-small cell lung cancer (NSCLC) and malignant pleural mesothelioma (MPM). Ceramide increases in response to chemotherapy, leading to proliferation arrest and apoptosis. However, a tumour stress activation of glucosylceramide synthase (GCS) follows to eliminate ceramide by formation of glycosphingoli...
Despite research efforts, cell uptake processes determining siRNA silencing efficiency remain unclear. Here, we examine the relationship between in vitro cell culture models, cellular trafficking and siRNA silencing efficiency to provide a mechanistic insight on siRNA delivery system design. Model siRNApolyplexes, based on chitosan as a ‘classical’ condensing agent, were applied to a panel of l...
A group of candidate tumor suppressor genes (designated CACNA2D2, PL6, 101F6, NPRL2, BLU, RASSF1, FUS1, HYAL2, and HYAL1) has been identified in a 120-kb critical tumor homozygous deletion region (found in lung and breast cancers) of human chromosome 3p21.3. We studied the effects of six of these 3p21.3 genes (101F6, NPRL2, BLU, FUS1, HYAL2, and HYAL1) on tumor cell proliferation and apoptosis ...
8-Hydroxyguanine (8OHG), an oxidatively damaged base, and benzo[a]pyrene-diol-epoxide (BPDE), a metabolite of benzo[a]pyrene found in cigarette smoke, are thought to be major causes for G:C to T:A transversions in DNA of human cells. In this study, we assessed the abilities of OGG1, MYH and APE1 proteins, which are components of a base excision repair pathway, to suppress G:C to T:A transversio...
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