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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Human carcinoma-associated fibroblasts (CAF): co-culture with cancer cells vs. CAF only

ABSTRACT: Gene expression profiling of CAF co-cultured with human oral squamous cell carcinoma (OSCC) cells compared with mono-cultured CAF. To identify key molecular regulators expressed by carcinoma-associated fibroblasts (CAF) that promote cancer cell invasion, microarrays were performed by comparing co-cultured OSCC cells and CAF with monoculture controls. comparison 1: CAF co-cultured with OSCC vs. mono-cultured CAF comparison 2: OSCC co-cultured with CAF vs. mono-cultured OSCC 1.7X10(5) YD-10B OSCC cells and 1.7X10(5) CAF were seeded in the upper chamber and lower chamber, respectively, of 6-transwell plates containing collagen-coated 1 micrometer pore transmembrane filters (Becton Dickinson, Franklin Lakes, NJ, USA). Monoculture control samples were generated by culturing only CAF or OSCC on the same side of the filter as in the co-culture design.

ORGANISM(S): Homo sapiens

SUBMITTER: Jin Kim

PROVIDER: E-GEOD-18532 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Human carcinoma-associated fibroblasts (CAF): co-culture with cancer cells vs. CAF only

Project description:Gene expression profiling of CAF co-cultured with human oral squamous cell carcinoma (OSCC) cells compared with mono-cultured CAF. To identify key molecular regulators expressed by carcinoma-associated fibroblasts (CAF) that promote cancer cell invasion, microarrays were performed by comparing co-cultured OSCC cells and CAF with monoculture controls.

2009-10-14 | GSE18532 | GEO

Secretome analysis in CAF-dependent conditioned mediums with FaDu cells

Project description:We co-cultured primary cultured CAF (CAF-P), which promotes progression more actively, and CAF (CAF-D), which have less cancer-promoting properties, with OSCC cells, and analyzed the differential secretion through antibody microarray.

2023-04-17 | GSE229247 | GEO

A novel 3-D organotypic culture model by co-culturing alpha-SMA positive CAF and cholangiocarcinoma cells in a collagen matrix

Project description:The increased M-NM-1-smooth muscle-actin positive cancer-associated fibroblastic cells (CAF) in the desmoplastic stroma may relate to a more aggressive cancer and worse survival outcomes for intrahepatic cholangiocarcinoma (ICC) patients We developed a novel 3-D organotypic culture model by co-culturing M-NM-1-SMA positive CAF and cholangiocarcinoma cells in a collagen matrix. Cholangiocarcinoma cell lines were established by isolating M-NM-1-SMA positive cancer-associated fibroblastic cells (CAF) (BDEsp-TDFE4) and cholangiocarcinoma cells (BDEsp-TDEH10) from tumors arising from bile duct inoculation of spontaneously-transformed low grade malignant rat BDE1 cholangiocytes (BDEsp cells). These tumor-derived cells lines were then grown in a rat tail type I collagen gel matrix, alone or in co-culture, and their gene expression profile were compared.

2012-06-22 | E-GEOD-38889 | biostudies-arrayexpress

Cancer-Associated Fibroblasts Support Lung Cancer Stemness through Paracrine IGF-II/IGF1R/Nanog Signaling

Project description:The CLS1/CAF co-culture maintained the cancer stemness. This cancer stemness was lost when the CAF feeder cells were removed during passaging. To investigate the specific signaling pathways and markers of lung CSCs, we analyzed the gene expression profile of the CLS1 sphere after CLS1/CAF co-culture and compared this profile with that obtained for CLS1 cells cultured without feeder cells through different passages (CLS1 p3, p6, and p14) and CLF1 CLS1 sphere generated by co-culture with CAF and remove CAF to mimic cancer cell differentiation. Four time points of the CLS1 after co-culture with CAF have been collected for microarray analysis:CLS1-2 p.3, p.6, p.8, p.14. We tried to compare theCLS1 sphere-regulated gene expression profiles with the CLS1-2 p.3, p.6, p.8, p.14 and CLF1 to identify the possible cross talk mechanisms of CLF1 and CLS1 and the signaling pathways that maintain stem cell properties.

2014-03-25 | E-GEOD-38678 | biostudies-arrayexpress

CAF-1 safeguards somatic cell identity during factor-induced reprogramming

Project description:Cellular differentiation involves profound changes in the chromatic landscape, yet the mechanisms by which somatic cell identity is subsequently maintained remain incompletely understood. To further elucidate regulatory pathways that safeguard the somatic state, we performed two comprehensive RNAi screens targeting chromatin factors during transcription factor-mediated reprogramming of mouse fibroblasts to induced pluripotent stem cells (iPSCs). Remarkably, subunits of the chromatin assembly factor-1 (CAF-1) complex emerged as the most prominent hits from both screens, followed by modulators of lysine sumoylation and heterochromatin maintenance. Suppression of CAF-1 increased reprogramming efficiency by several orders of magnitude and facilitated iPSC formation in as little as 4 days. Mechanistically, CAF-1 suppression led to a more accessible chromatin structure at enhancer elements early during reprogramming. These changes were accompanied by a decrease in somatic heterochromatin domains, increased binding of Sox2 to pluripotency-specific targets and activation of associated genes. Notably, suppression of CAF-1 also enhanced the direct conversion of B cells into macrophages and fibroblasts into neurons. Together, our findings reveal the histone chaperone CAF-1 as a novel regulator of somatic cell identity during transcription factor-induced cell fate transitions and provide a potential strategy to modulate cellular plasticity in a regenerative setting. Gene expression analysis in CAF-1 knockdown and Renilla control during early OKSM-induced reprogramming by microarray

2015-12-10 | E-GEOD-72741 | biostudies-arrayexpress

Gene expression profile of cancer cells growing as a co-culture with carcinoma-associated fibroblasts (CAF)

Project description:Molecular mechanisms of the cancer cells-carcinoma associated fibroblasts (CAF) interactions growing in vitro conditions as a co-culture. The five canine mammary cancer cell lines were cultured with CAF (isolated from canine mammary cancer) for 72hrs. Then, the cancer cells and CAFs were sorted and the gene expression analysis was conducted. The control for each co-cultured cell line was the same cell line growing as a single culture. Dye-swap experiment, each cell line growing in the co-culture conditions was compared to the same cell line growing as a single culture.

2012-05-30 | E-GEOD-29601 | biostudies-arrayexpress

Gene expression profile of cancer cells growing as a co-culture with carcinoma-associated fibroblasts (CAF)

2012-05-31 | GSE29601 | GEO

Methylation profiling of oral squamous cell carcinoma (OSCC)

Project description:According to epidemiological studies, a vast majority, approximately 80%~90% of male OSCC patients in Taiwan habitually drink alcohol (A), and chew betel quid (B), and use cigarette (C). To assess the impact of these dietary factors on the epigenome, we conduct a high-throughput screen survey in an oral cancer cohort with exposure of A, B, and C. Results indicate aberrent methylation patterns are prevalent in OSCC patients with ABC risk factors. Genomic DNA was collected from tumor and non-tumor pair-wise samples. These biopsies were obtained from 40 male OSCC patients who regularly drink alcohol, chew areca nut and smoking.

2015-04-01 | E-GEOD-38532 | biostudies-arrayexpress

Gene expression profiling of oral squamous cell carcinoma (OSCC)

Project description:According to epidemiological studies, a vast majority, approximately 80%~90% of male OSCC patients in Taiwan habitually drink alcohol (A), and chew betel quid (B), and use cigarette (C). To assess the impact of these dietary factors on the transcriptom, we conduct a high-throughput screen survey in an oral cancer cohort with exposure of A, B, and C. Results indicate several potential oncogenes and tumor suppressor genes are dysregulated in OSCC patients with ABC risk factors. Total RNA was collected from tumor and non-tumor pair-wise samples. These biopsies were obtained from 40 male OSCC patients who regularly drink alcohol, chew areca nut and smoking.

2013-05-02 | E-GEOD-37991 | biostudies-arrayexpress

Identification of salivary biomarkers for oral cancer with quantitative proteomics and two-phase verifying approaches

Project description:Oral cavity cancer is one of the most common cancer worldwide and oral cavity squamous cell carcinoma (OSCC) accounts for up to 90 percent of oral cancers. In Taiwan, OSCC is the fifth most common malignancy of male and causes more than 250 deaths per year. The poor outcome of OSCC patients is principally ascribed to the fact that this disease is often advanced at the time of diagnosis, suggesting that early detection and prevention of OSCC are urgently needed to reduce the cancer burden. Analysis of cancer-related body fluids is one of promising approaches to identify cancer-related molecules and biomarker candidates. To identify salivary biomarkers of OSCC, salivary samples of OSCC patients, individuals with oral potentially malignant disorders (OPMD), and healthy volunteers were collected. With isobaric tags for relative and absolute quantitation (iTRAQ)-based mass spectrometry (MS) analysis, 1838 proteins were identified. The levels of 102 proteins are found to be elevated in the saliva samples of OSCC patients compared to that of OPMD and healthy groups. To improve the feasibility of biomarkers, we used a two-phase verification to measure these candidates. Among them, salivary levels of AHSG, CFH, FGA, and SERPINA1 were determined to be significantly higher in the OSCC patients than in the healthy or in the OPMD group with both of MRM-MS and ELISA. Furthermore, the levels of these proteins were highly related to tumor size, lymph-node metastasis, and cancer stages. The results of this study not only provides a powerful strategy for verification of biomarker candidates, but also suggested that AHSG, CFH, FGA, and SERPINA1 could act as salivary biomarkers for OSCC detection.

2019-08-15 | PXD008655 | Pride

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