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Gene expression profile of idiopathic thrombocytopenic purpura (ITP)


ABSTRACT: Five ITP and five control whole blood samples were collected with IRB approval. The age range of ITP patients was 1-54 years, and the range in platelet counts was 2,000-98,000 W 109/L. We examined only one ITP sample for antiplatelet antibodies, and found it to be positive. Total RNA was isolated from 2.5 ml whole blood according to the PAXgene Blood RNA System (PreAnalytix, Switzerland). RNA isolated from ITP patients and controls, along with Human Universal Reference RNA (Stratagene, La Jolla, CA) were linearly amplified using the MessageAmp aRNA amplification kit (Ambion, Austin, TX). Set of arrays organized by shared biological context, such as organism, tumors types, processes, etc. Computed

ORGANISM(S): Homo sapiens

SUBMITTER: Ruchira Sood 

PROVIDER: E-GEOD-5812 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Gene expression profile of idiopathic thrombocytopenic purpura (ITP).

Sood Ruchira R   Wong Wendy W   Jeng Michael M   Zehnder James L JL  

Pediatric blood & cancer 20061001 5 Suppl


To search for novel mechanisms that contribute to the pathophysiology of idiopathic thrombocytopenic purpura (ITP), we determined the whole blood gene expression profile in five ITP patients and five control samples. Using DNA microarrays that contained 24,473 unique putative genes, we found 176 cDNAs that were strongly correlated with ITP. These included a cluster of interferon-regulated genes and TLR7, as well many less-well characterized genes which are candidates for further study. We believ  ...[more]

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