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Gene expression profile of A549 cells cultured with novel 3D cell culture method

ABSTRACT: Preclinical cancer drug discovery efforts have employed two-dimensional (2D)-cell-based assay models, which fail to forecast in vivo efficacy and contribute to a lower success rates of clinical approval. Three-dimensional (3D) cell culture models are recently expected to bridge the gap between 2D and in vivo models. We have developed novel 3D culture method that improves the growth of spheroid-forming cancer cells under anchorage-independent condition by leveraging a feature of FP001. Gene microarrays were used to observe the global gene expression in A549 cells cultured with normal adhesion plate (2D, control) or with low adhesion plate (+FP001) and identified distinct classes of up or down-regulated genes. A549 cells were cultured for 5 days in three different conditions as follows. (1) Normal attachment plates with normal medium (as control), (2) low-attachment plates with normal medium, (3) low-attachment plates with FP001 containing medium. Each sample was collected three times.

ORGANISM(S): Homo sapiens

SUBMITTER: Ayako Otani

PROVIDER: E-GEOD-69477 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Gene expression profile of A549 cells cultured with FP001

Project description:Preclinical cancer drug discovery efforts have employed two-dimensional (2D)-cell-based assay models, which fail to forecast in vivo efficacy and contribute to a lower success rates of clinical approval. Three-dimensional (3D) cell culture models are recently expected to bridge the gap between 2D and in vivo models. We have developed novel 3D culture method that improves the growth of spheroid-forming cancer cells under anchorage-independent condition by leveraging a feature of FP001. Gene microarrays were used to observe the global gene expression in A549 cells cultured in multi-well plate with or without FP001 and identified distinct classes of up or down-regulated genes. A549 cells were cultured for 5 days in normal attachment plate with normal medium (as control) or normal attachment plate with FP001 containing medium. Each sample was collected three times.

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Gene expression profile of SKOV3 cells cultured with a novel 3D cell culture method

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Gene expression profile of A549 cells cultured with novel 3D cell culture method

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2015-07-31 | GSE69477 | GEO

Gene expression profile of A549 cells cultured with normal 2D condition and xenografted tumor tissue

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Gene expression analysis in TGFbeta/TNFalpha treated A549 spheroid cultures

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Gene expression analysis of MCF7 breast cancer cells cultured as xenografts, in two dimensional cultures, in polyHEMA anchorage independent three dimansional cell culture models and in Matrigel three dimensional cultures.

Project description:The traditional method for studying cancer in vitro is to grow immortalized cancer cells in two-dimensional (2D) monolayers on plastic. However, many cellular features are impaired in these unnatural conditions and big alterations in gene expression in comparison to tumors have been reported. Three-dimensional (3D) cell culture models have become increasingly popular and are suggested to be better models than 2D monolayers due to improved cell-to-cell contacts and structures that resemble in vivo architecture. The aim of this study was to compare gene expression patterns of MCF7 breast cancer cells when grown as xenografts, in 2D, in polyHEMA coated anchorage independent 3D models and in Matrigel on-top 3D cell culture models. Surprisingly small variations in gene expression patterns were observed between the models indicating that 3D and xenograft are not always that different from 2D cell cultures. Gene expression analysis of MCF7 breast cancer cells cultured as xenografts for 43 days, in two dimensional cultures for seven days (2D7d), in polyHEMA three dimensional cell culture models for four and seven days (PH7d and PH7d), and in Matrigel three dimensional cultures for four and seven days (MG4d and MG7d). Two biological replicates was included for each sample.

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Gene expression profile of A549 cells cultured with FP001

2015-07-31 | GSE69577 | GEO

Gene expression profile of A549 cells cultured under a new 3D culture conditions

Project description:Preclinical cancer drug discovery efforts have employed two-dimensional (2D)-cell-based assay models, which fail to forecast in vivo efficacy and contribute to a lower success rates of clinical approval. Three-dimensional (3D) cell culture models are recently expected to bridge the gap between 2D and in vivo models. We have developed a novel 3D culture method that is suitable for imaging analysis and improves the growth of spheroid-forming cancer cells under anchorage-independent condition by leveraging a feature of LA717, a seaweed-derived polysaccharide. Gene microarrays were used to observe the global gene expression in A549 cells cultured with adhesion condition (2D, control) or with low adhesion condition (LA717) and identified distinct classes of up or down-regulated genes.

2017-09-17 | GSE103845 | GEO

Gene expression profile of A549 cells cultured with LA717

Project description:Preclinical cancer drug discovery efforts have employed two-dimensional (2D)-cell-based assay models, which fail to forecast in vivo efficacy and contribute to a lower success rates of clinical approval. Three-dimensional (3D) cell culture models are recently expected to bridge the gap between 2D and in vivo models. We have developed a novel 3D culture method that is suitable for imaging analysis and improves the growth of spheroid-forming cancer cells under anchorage-independent condition by leveraging a feature of LA717, a seaweed-derived polysaccharide. Gene microarrays were used to observe the global gene expression in A549 cells cultured with or without LA717 and identified distinct classes of up or down-regulated genes.

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