Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of human monoclonal cell lines with high or low levels of store-operated Ca2+ entry

ABSTRACT: This series of microarray experiments monitored the gene expression profiles for monoclonal cell lines (derived from HEK-293 parental cell culture) with high (H1, H15, H24, H36, H39) or low (L3, L28, L29) levels of store-operated Ca2+ entry (SOCE). For selection of clones, HEK-293 cells were loaded with indo-1 and sorted by FACS on the basis of their cyclopiazonic acid (CPA)-stimulated Ca2+ entry. Monoclonal cell lines were selected from the sorted cells and their levels of SOCE confirmed by monitoring thapsigargin-stimulated Ba2+ entry. Total RNA was extracted from cells immediately after removal from their growth environment. RNA was processed and hybridized to the Affymetrix HG-U133A chip. Two parallel hybridizations were done for each RNA preparation from each monoclonal cell line or from the parental HEK-293 cell culture.

ORGANISM(S): Homo sapiens

SUBMITTER: Tatiana Zagranichnaya 

PROVIDER: E-GEOD-1309 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Gene expression profiles in HEK-293 cells with low or high store-operated calcium entry: can regulatory as well as regulated genes be identified?

Zagranichnaya Tatiana K TK   Wu Xiaoyan X   Danos Arpad M AM   Villereal Mitchel L ML  

Physiological genomics 20041228 1

Gene expression profiles were generated using cDNA microarray technology for clones of human embryonic kidney (HEK)-293 cells selected to have either high or low levels of store-operated Ca2+ entry (SOCE). For five high clones, three low clones, and control HEK-293 cells, duplicate Affymetrix U133A human gene arrays were run after extraction of total RNA from cells growing in the presence of serum. Of the approximately 22,000 genes represented on the microarray, 58 genes had readings at least tw  ...[more]

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