MicroRNA deregulation in polycythemia vera and essential thrombocythemia patients

Huichun Zhan, Christopher Cardozo, Wei Yu, Antai Wang, Alison R Moliterno, Chi V. Dang, Jerry L Spivak

Research output: Contribution to journalArticle

Abstract

Polycythemia vera (PV) and essential thrombocythemia (ET) are the two most common myeloproliferative neoplasms. The same JAK2V617F mutation can be found in both disorders and is able to recapitulate many of the phenotypic abnormalities of these diseases in the murine models. The disease phenotype is also influenced by other unknown genetic or epigenetic factors. MicroRNAs (miRNA) are 18-24 nucleotides single-stranded non-protein-coding RNAs that function primarily as gene repressors by binding to their target messenger RNAs. We performed miRNA expression profiling by oligonucleotide microarray analysis in purified peripheral blood CD34+ cells from eight JAK2V617F-positive PV patients and six healthy donors. A quantitative reverse-transcription polymerase chain reaction assay was used to verify differential miRNA expression. Since erythrocytosis is the only feature that distinguishes PV from ET, we also compared specific miRNA expression in the nucleated erythroid cells directly descended from the early erythroid progenitor cells of PV and ET patients. Our data indicate that significant miRNA deregulation occurs in PV CD34+ cells and confirm a genetic basis for the gender-specific differences that characterize PV with respect to miRNA. The results of our study also suggest that deregulated miRNAs may represent an important mechanism by which the PV erythrocytosis and ET thrombocytosis phenotypes are determined.

Original languageEnglish (US)
Pages (from-to)190-195
Number of pages6
JournalBlood Cells, Molecules, and Diseases
Volume50
Issue number3
DOIs
StatePublished - Mar 2013

Fingerprint

Essential Thrombocythemia
Polycythemia Vera
MicroRNAs
Polycythemia
Phenotype
Thrombocytosis
Untranslated RNA
Erythroid Precursor Cells
Erythroid Cells
Microarray Analysis
Oligonucleotide Array Sequence Analysis
Epigenomics
Reverse Transcription
Blood Cells
Nucleotides
Tissue Donors
Polymerase Chain Reaction
Messenger RNA
Mutation

Keywords

  • Essential thrombocythemia
  • Hematopoiesis
  • MicroRNA
  • Myeloproliferative neoplasm
  • Polycythemia vera

ASJC Scopus subject areas

  • Molecular Biology
  • Molecular Medicine
  • Hematology
  • Cell Biology

Cite this

MicroRNA deregulation in polycythemia vera and essential thrombocythemia patients. / Zhan, Huichun; Cardozo, Christopher; Yu, Wei; Wang, Antai; Moliterno, Alison R; Dang, Chi V.; Spivak, Jerry L.

In: Blood Cells, Molecules, and Diseases, Vol. 50, No. 3, 03.2013, p. 190-195.

Research output: Contribution to journalArticle

Zhan, Huichun ; Cardozo, Christopher ; Yu, Wei ; Wang, Antai ; Moliterno, Alison R ; Dang, Chi V. ; Spivak, Jerry L. / MicroRNA deregulation in polycythemia vera and essential thrombocythemia patients. In: Blood Cells, Molecules, and Diseases. 2013 ; Vol. 50, No. 3. pp. 190-195.
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