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Expression data from Human Ishikawa cells treated with Genistein


ABSTRACT: This study provides a comprehensive evaluation of changes in gene expression during treatment with Genistein in vitro. Ishikawa cells were maintained and grown (to confluency or at a desired cell density between 500,000 - 1 million cells/mL) in DMEM/F-12 Medium (supplemented with 10% Fetal Bovine Serum + 1X penicillin/streptomycin) in xenoestrogen-free Corning plasticware. Cells were gently washed in warm PBS and transferred to phenol red-free DMEM/F-12 Medium (supplemented with 10% Charcoal-Stripped Fetal Bovine Serum + 1X penicillin/streptomycin) in Corning Cell Culture Cluster wells overnight and then challenged with 10pM (very low, vL), 1 nM (low, L), 10nM (high, H), and 1uM (very high, vH) levels of Genistein. Prior to collection, cells were washed in warm PBS, resuspended & briefly incubated in TRI-Reagent, & finally collected (in quintuplicate replicates) at time each specific time point: 8 hours, 24 hours, and 48 hours. Following RNA isolation, the best RNA yields for each quadruplicate set was selected for target preparation and GeneChip processing. 60 total samples: 5 Doses [Vehicle Control, Very Low (1 pM), Low (100 pM), High (1 nM), Very High (1 uM)]; 3 Timepoints [8 hour, 24 hour, 48 hour]; 4 Replicates each

ORGANISM(S): Homo sapiens

SUBMITTER: Jay Tiesman 

PROVIDER: E-GEOD-71717 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Dose- and Time-Dependent Transcriptional Response of Ishikawa Cells Exposed to Genistein.

Naciff Jorge M JM   Khambatta Zubin S ZS   Carr Gregory J GJ   Tiesman Jay P JP   Singleton David W DW   Khan Sohaib A SA   Daston George P GP  

Toxicological sciences : an official journal of the Society of Toxicology 20160210 1


To further define the utility of the Ishikawa cells as a reliable in vitro model to determine the potential estrogenic activity of chemicals of interest, transcriptional changes induced by genistein (GES) in Ishikawa cells at various doses (10 pM, 1 nM, 100 nM, and 10 μM) and time points (8, 24, and 48 h) were identified using a comprehensive microarray approach. Trend analysis indicated that the expression of 5342 unique genes was modified by GES in a dose- and time-dependent manner (P ≤ 0.0001  ...[more]

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