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SM5-1-conjugated gold nanoparticles for antibody therapy in hepatocellular carcinoma

ABSTRACT: As a humanized mouse antibody, SM5-1 can target a membrane protein of about 230kDa over-expressed in hepatocellular carcinoma (HCC), melanoma and breast cancer and it has been found to inhibit the progress of tumor cells. In this study, SM5-1 conjugated gold nanoparticles were prepared to study the antitumor efficacy in the treatment of HCC-LM3-fLuc tumor. The results showed that AU-SM5-1 could inhibit HCC-LM3 hepatocellular carcinoma cell proliferation up to 71.26% at the concentration of 0.5mg/ml contrast with SM5-1 and gold nanoparticles. In order to address the mechanism of the antiproliferative effects of AU-SM5-1, we examined the gene expression in HCC-LM3-fLuc tumor cells based on gene-chip screening.

ORGANISM(S): Homo sapiens

PROVIDER: GSE59284 | GEO | 2014/07/11

SECONDARY ACCESSION(S): PRJNA254956

REPOSITORIES: GEO

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SM5-1-conjugated gold nanoparticles for antibody therapy in hepatocellular carcinoma

Project description:As a humanized mouse antibody, SM5-1 can target a membrane protein of about 230kDa over-expressed in hepatocellular carcinoma (HCC), melanoma and breast cancer and it has been found to inhibit the progress of tumor cells. In this study, SM5-1 conjugated gold nanoparticles were prepared to study the antitumor efficacy in the treatment of HCC-LM3-fLuc tumor. The results showed that AU-SM5-1 could inhibit HCC-LM3 hepatocellular carcinoma cell proliferation up to 71.26% at the concentration of 0.5mg/ml contrast with SM5-1 and gold nanoparticles. In order to address the mechanism of the antiproliferative effects of AU-SM5-1, we examined the gene expression in HCC-LM3-fLuc tumor cells based on gene-chip screening. The gene chip results showed that some cycle-related and reactive oxygen species (ROS) related genes including up-regulated P21 and down-regulated duox2 and nox1 genes which were validated by real-time quantitative polymerase chain reaction (PCR).

2014-07-11 | E-GEOD-59284 | biostudies-arrayexpress

STRT RNAseq of THP-1 monocytic cells exposed to surface modified-gold nanoparticles

Project description:Transcriptome comparison to assess the responses of human monocytic cells (THP-1) to gold-nanoparticles (Au-NPs) of two different diameter sizes (5 or 20 nm) with different surface functional groups, i.e., alkylammonium bromide, alkyl sodium carboxylate, or poly(ethylene glycol) (PEG)-terminated thiolate Au-NPs.

2019-06-04 | E-MTAB-7093 | biostudies-arrayexpress

The transcriptome sequencing of Chrysin treated Scc9 Extracellular vesicles

Project description:EVs-Chrysin(Chrysin-treated SCC9) were isolated from SCC9 cells that were treated with chrysin. To improve the therapeutic effect, AuNPs were carried by EVs-Chrysin (Au-EVs). Compared to BGC823 and HCC-LM3 cells, the uptake of Au-EVs were specific in SCC9 cells. Moreover, Au-EVs combined with NIR enhanced cell apoptosis in TSCC cells. To confirm the role of miRNAs in cell apoptosis, the differentially expressed miRNAs between EVs-Con and EVs-Chrysin were screened by RNA-seq.

2021-10-12 | GSE185562 | GEO

Proteomics study of THP-1 monocytic cells exposed to surface modified-gold nanoparticles

Project description:A proteome comparison was performed to assess the responses of human monocytic cells (THP-1) to gold-nanoparticles (Au-NPs) of two different diameter sizes (5 or 20 nm) with different surface functional groups, i.e., alkylammonium bromide, alkyl sodium carboxylate, or poly(ethylene glycol) (PEG)-terminated thiolate Au-NPs.

2019-03-18 | PXD010858 | Pride

Effect of FENDRR on genetic expressions of primary liver cancer based on next generation sequencing

Project description:Primary liver cancer (PLC) is the third largest contributor to cancer mortality in the world. PLC is a heterogeneous disease that encompasses several biologically distinct subtypes including hepatocellular carcinoma (HCC), intrahepatic cholangiocarcinoma (ICC) and combined hepatocellular-cholangiocarcinoma (CHC). The cells were cultured in DMEM medium supplemented with 10% fetal bovine serum and 1% antibiotic-antimitotic solution. The HCC cell line LM3 and ICCA cell line RBE were transfected using Lipofectamine 3000 reagent following the manufacturer’s protocol and incubated for 48h for further analysis. The gene expression profiles were analyzed of LM3 and RBE cells transfected with si-FENDRR or si-NC to assess effect of FENDRR on genetic expressions of PLC.

2021-03-15 | GSE168885 | GEO

Global genetic impact of surface-modified gold nanoparticles on two model human cell lines

Project description:Gold nanoparticles (Au NPs) are uniquely suited for various biomedical applications due to the combination of their optical properties with their easily functionalized surfaces. The Au NP surface can be tailored to improve biocompatibility while also attaching targeting ligands or drugs. However, information on how these tailored surface chemistries may affect cell gene expression is scarce. Using two model human cells line, human dermal fibroblasts and prostate cancer cells, microarray experiments measured gene expression over 27,000 human genes. Each of the cell lines was exposed to four related types of surface-modified Au NPs at two different concentrations, and the microarray data was analyzed by weighted gene correlation network analysis and gene functional annotation. Au NPs were shown to affect genes associated with a variety of cellular functions, and surface charge and chemistry were linked with the types of parthways changed and the degree of which those changes occured. Nanoparticle induced gene expression in PC3 and HDF cells was measured after 24 hour exposure to nanoparticles of four different surface coating types. RNA from three separate culture samples were used for each nanoparticle-cell combinations, along with three control samples not exposed to nanoparticles at all.

2014-10-01 | E-GEOD-56432 | biostudies-arrayexpress

NCOA5 knockout suppresses epithelial-to-mesenchymal transition (EMT) impairing cell proliferation and migration in Hepatocellular Carcinoma cells

Project description:Nuclear receptor coactivator 5 (NCOA5) is an AF2-independent coactivator that contains both transcriptional activation and repression domains. Previous studies have shown that NCOA5 plays an important role in the development of a variety of malignancies. However, the underlying mechanisms remain unclear. In our study, we successfully generated the NCOA5 knockout liver cancer cell lines by CRISPR/Cas9 -mediated genome editing and found that NCOA5 knockout inhibited the proliferation and migration of hepatocellular carcinoma (HCC) cells significantly, meanwhile led to a marked decrease in tumor microsphere formation. Furthermore, mechanistic analyses indicated that NCOA5 knockout can inhibit the EMT process. In this study, knocking out NCOA5 in hepatoma cells LM3 with CRISPR/Cas9 provides an important cellular model for studying role of NCOA5 in HCC. In conclusion , Oour study provides new insights and evidence that NOCA5 was significantly correlated with the progression of HCC and was particularly involved in EMT.

2019-05-21 | GSE111829 | GEO

Investigation of Alterations in Gene Expression in the Retina Induced by Intravitreal Injection of gold and silicate nanoparticles

Project description:In this study, we investigated the gene expression induced by locally delivered gold and silicate nanoaprticles with the diameter of 20 and 100 nm in the retina. We injected nanoparticles into the vitreous cavity of 5-week-old male C57BL/6 mice. Au20 indicates gold nanoparticles of which diameters were 20 nm, Au100 gold nanoparticles of which diameters were 100 nm, Si20 silicate nanoparticles of which diameters were 20 nm, and Si100 silicate nanoparticles of which diameters were 100 nm. We intravitreally injected PBS or nanoparticles (gold and silicate) into the right eyes of 5-week-old male C57BL/6 mice (n = 12 per group). PBS-treated mice were regarded as negative control. Four retinal tissues were pooled into 1 test tube and prepared for further analyses.

2013-07-31 | E-GEOD-49371 | biostudies-arrayexpress

Gold induction of C. metallidurans CH34

Project description:Whole-genome expression microarray experiments were conducted to assess the response of C. metallidurans CH34 to aqueous Au(III)-chloride and identify possible biochemical pathways for Au detoxification. Four microarray experiments were conducted to assess gold response at low, medium and high Au(III)-chloride concentrations (i.e., 10, 50 and 100 µM Au(III)-chloride) and different induction times (10 and 30 minutes with 50 µM Au(III)-chloride). Based on these arrays, the differentially expressed genes upon gold-exposure can be identified.

2009-10-29 | GSE14049 | GEO

Long non-coding RNAs are differentially expressed in hepatocellular carcinoma cell lines with different metastatic potential

Project description:We describe the lncRNA expression profiles of two HCC cell lines, one with high potential for metastasis to the lung (HCCLM3) and the other to lymph nodes (HCCLYM-H2). The HCCLM3(LM3) and HCCLM6 cell lines were derived from the same parental cell line MHCC-97H. LM3 metastasizes to the lung, while HCCLM6 can metastasize to multiple organs in a mouse model. By subcloning HCCLM6, we established the HCCLYM-H2(H2) cell line, which showed stable and high metastatic potential specific to the lymph nodes. In the present study, we compared the expression profiles of HCC cell lines with a similar genetic background but different potential for lung or lymph node metastasis. We found that expression signatures comprising lncRNAs and protein-coding mRNAs were significantly associated with organ-specific HCC metastasis. To further validate microarray data, we selected six lncRNAs (CR613944, BC058547, RP5-1014O16.1, NCRNA00173, lincRNA-CALCA, lincRNA-TSPAN8) and two mRNAs (TSPAN8, CALCB) in the two HCC cell lines using qRT-PCR. Data obtained from qRT-PCR and the microarray was consistent. Differentially expressed lncRNAs between high lymphatic metastatic potential HCC cell H2 and high lung metastatic potiential HCC cell LM3 were identified by microarray and validated using quantitative real-time polymerase chain reaction.

2014-09-03 | E-GEOD-61015 | biostudies-arrayexpress

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