Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of human CHRF-288 cell line after phorbol ester stimulation


ABSTRACT: Little is known about the global transcriptional program underlying megakaryocytic (Mk) differentiation, maturation, and apoptosis. Using DNA microarrays and Q-RT-PCR, we examined the transcriptional profile of phorbol-ester-induced Mk differentiation of the megakaryoblastic CHRF-288-11 (CHRF) cell line – a model system for investigating megakaryopoiesis. The goals of this study were to (1) verify the megakaryocytic nature of the CHRF cell line at the transcriptional level, and (2) extract novel insights into the key facets of Mk maturation including polyploidization, proplatelet formation, and apoptosis. Experiment Overall Design: CHRF-288 cells were cultured in the presence of 10 ng/mL phorbol ester (PMA) or equivalent volume of DMSO solvent (0.02%). Unstimulated control cells from time zero (exponentially growing CHRF cells) were also analyzed. For PMA treated legs, only the adherent cells were included in the transcriptional analysis. Two biological replicate experiments were analyzed and approximately one-half of the samples with each experiment were technically replicated. Hybridizations were performed in a reference design with all samples labeled with Cy3 and a reference RNA pool labeled with Cy5.

ORGANISM(S): Homo sapiens

SUBMITTER: Eleftherios Papoutsakis 

PROVIDER: E-GEOD-3838 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Comparative, genome-scale transcriptional analysis of CHRF-288-11 and primary human megakaryocytic cell cultures provides novel insights into lineage-specific differentiation.

Fuhrken Peter G PG   Chen Chi C   Miller William M WM   Papoutsakis Eleftherios T ET  

Experimental hematology 20070301 3


<h4>Objectives</h4>Little is known about the transcriptional events underlying megakaryocytic (Mk) differentiation. We sought to identify genes and pathways previously unassociated with megakaryopoiesis and to evaluate the CHRF-288-11 (CHRF) megakaryoblastic cell line as a model system for investigating megakaryopoiesis.<h4>Methods</h4>Using DNA microarrays, Q-RT-PCR, and protein-level assays, we compared the dynamic gene expression pattern of phorbol ester-induced differentiation of CHRF cells  ...[more]

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