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Unknown,Transcriptomics,Genomics,Proteomics

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Prostasphere-forming cells of human prostate cancer cell LNCaP: Control vs. Hormone treated

ABSTRACT: Transcriptional profiling of LNCaP prostasphere-forming cells, comparing control untreated sphere-forming cells with hormone treated sphere-forming cells. Both estrogen (estradiol) and androgen (R1881) promote the sphere formation of human prostate cancer cell LNCaP. Goal was to determine the effects of hormones on global gene expression of LNCaP sphere-forming cells. Five samples were analyzed. Control (ethanol 1hr), estradiol 1 hour, estradiol 24 hour, R1881 1 hour, R1881 24 hour.

ORGANISM(S): Homo sapiens

SUBMITTER: Ji Zheng

PROVIDER: E-GEOD-37531 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Prostasphere-forming cells of human prostate cancer cell LNCaP: Control vs. Hormone treated

Project description:Transcriptional profiling of LNCaP prostasphere-forming cells, comparing control untreated sphere-forming cells with hormone treated sphere-forming cells. Both estrogen (estradiol) and androgen (R1881) promote the sphere formation of human prostate cancer cell LNCaP. Goal was to determine the effects of hormones on global gene expression of LNCaP sphere-forming cells.

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Project description:Analysis of LNCaP cell molecular differences in monocultures and in co-cultures in the presence of R1881. Human osteoblast molecular signatures were also identified from the tissue engineered bone monocultures. LNCaP cells molecular profile was altered by co-culturing with human osteoblasts compared to LNCaP monocultures with or without R1881 stimulations. These results provide insights into the behavioral change of LNCaP cells in a bone-like microenvironment. In this study, LNCaP cells cultured in the hydrogel were prepared and co-cultured with or without human osteoblasts (in the form oftissue engineered bone). Similarly, tissue engineered bone monocultures were also prepared 4-6 weeks earlier before co-culturing with the LNCaP cells. These cultures were maintained up to 24 days in RPMI growth media (+10% FBS) before they were androgen-starved for 48 hours. Cells were either treated with 1nM R1881 or continued to be androgen-deprived (without R1881 with 0.008% ethanol) for another 48 hours prior to cell harvest for gene expression analysis. Biological triplicates were prepared for each condition.

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