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BDNF, produced by a TPO-stimulated megakaryocytic cell line, regulates autocrine proliferation

Shogo Tamura1, Ayumi Nagasawa, Yuya Masuda

  • 1Graduate School of Health Sciences, Hokkaido University, Sapporo, Japan.

Biochemical and Biophysical Research Communications
|October 2, 2012
PubMed

Insights

Human platelets release brain-derived neurotrophic factor (BDNF). This study shows MEG-01 cells produce BDNF with TPO, enhancing proliferation, suggesting BDNF regulates megakaryocyte progenitors.

Area of Science:

  • Hematology
  • Molecular Biology
  • Cell Biology

Background:

  • Human platelets release endogenous brain-derived neurotrophic factor (BDNF) upon activation.
  • Previous studies reported no BDNF production in the MEG-01 megakaryocytic cell line.
  • The pathophysiological role of platelet BDNF remains unclear.

Purpose of the Study:

  • To investigate BDNF production in MEG-01 cells.
  • To determine the effect of BDNF on MEG-01 cell proliferation.
  • To explore the potential autocrine function of BDNF in megakaryopoiesis.

Main Methods:

  • Culturing MEG-01 cells in the presence of Thrombopoietin (TPO).
  • Measuring BDNF production using appropriate assays.
  • Assessing the impact of BDNF on cell proliferation.

Main Results:

  • MEG-01 cells produce BDNF when stimulated with TPO.
  • BDNF potentiates the proliferation of MEG-01 cells.
  • BDNF appears to regulate MEG-01 proliferation in an autocrine fashion.

Conclusions:

  • Thrombopoietin (TPO) induces BDNF production in MEG-01 cells.
  • BDNF acts as an autocrine factor to promote megakaryocyte progenitor proliferation.
  • BDNF may be a physiological regulator in megakaryocyte progenitor development.

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