KCTD15 protein expression in peripheral blood and acute myeloid Leukemia

Giovanni Smaldone, Luigi Coppola, Mariarosaria Incoronato, Rosanna Parasole, Mimmo Ripaldi, Luigi Vitagliano, Peppino Mirabelli, Marco Salvatore

Research output: Contribution to journalArticlepeer-review

Abstract

Leukocytes are major cellular components of the inflammatory and immune response systems. After their generation in the bone marrow from hematopoietic stem cells, they maturate as granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes. The abnormal accumulation and proliferation of immature blood cells (blasts) lead to severe and widespread diseases such as leukemia. We have recently shown that KCTD15, a member of the potassium channel tetramerization domain containing protein family (KCTD), is remarkably upregulated in leukemic B-cells. Here, we extend our investigation by monitoring the KCTD15 expression levels in circulating lymphocytes, monocytes, and granulocytes, as well as in leukemia cells. Significant differences in the expression level of KCTD15 were detected in normal lymphocytes, monocytes, and granulocytes. Interestingly, we also found overexpression of the protein following leukemic transformation in the case of myeloid cell lineage. Indeed, KCTD15 was found to be upregulated in K562 and NB4 cells, as well as in HL-60 cell lines. This in vitro finding was corroborated by the analysis of KCTD15 mRNA of acute myeloid leukemia (AML) patients reported in the Microarray Innovations in Leukemia (MILE) dataset. Collectively, the present data open interesting perspectives for understanding the maturation process of leukocytes and for the diagnosis/therapy of acute leukemias.

Original languageEnglish
Article number371
JournalDiagnostics
Volume10
Issue number6
DOIs
Publication statusPublished - Jun 2020

Keywords

  • Biomarker
  • Diagnostics
  • Flow cytometry
  • KCTD15
  • Myeloid cell lines
  • Peripheral blood

ASJC Scopus subject areas

  • Clinical Biochemistry

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