Induction of functional platelets from mouse and human fibroblasts by p45NF-E2/Maf

Yukako Ono, Yuhuan Wang, Hidenori Suzuki, Shinichiro Okamoto, Yasuo Ikeda, Mitsuru Murata, Mortimer Poncz, Yumiko Matsubara

Research output: Contribution to journalArticle

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Abstract

Determinant factors leading from stem cells to megakaryocytes (MKs) and subsequently platelets have yet to be identified. We now report that a combination of nuclear factor erythroid-derived 2 p45 unit (p45NF-E2), Maf G, and Maf K can convert mouse fibroblast 3T3 cells and adult human dermal fibroblasts into MKs. To screen MK-inducing factors, gene expressions were compared between 3T3 cells that do not differentiate into MKs and 3T3-L1 cells known to differentiate into MKs. 3T3 cells transfected with candidate factors were cultured in a defined MK lineage induction medium.Among the tested factors, transfection with p45NF-E2/MafG/ MafK lead to the highest frequency of CD41-positive cells. Adult human dermal fibroblasts transfected with these genes were cultured in MK lineage induction medium. Cultured cells had megakaryocytic features, including surface markers, ploidy, and morphology. More than 90% of MK-sized cells expressed CD41, designated induced MK (iMK). Infusion of these iMK cells into immunodeficient mice led to a time-dependent appearance of CD41-positive, platelet-sized particles. Blood samples from iMK-infused into thrombocytopenic immunodeficient mice were perfused on a collagen-coated chip, and human CD41-positive platelets were incorporated into thrombi on the chip, demonstrating their functionality. These findings demonstrate that a combination of p45NF-E2, Maf G, and Maf K is a key determinant of both megakaryopoiesis and thrombopoiesis.

Original languageEnglish
Pages (from-to)3812-3821
Number of pages10
JournalBlood
Volume120
Issue number18
DOIs
Publication statusPublished - 2012 Nov 1

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Megakaryocytes
Fibroblasts
Platelets
Blood Platelets
Cells
3T3 Cells
Stem Cell Factor
Gene expression
Blood
Collagen
Genes
Thrombopoiesis
3T3-L1 Cells
Skin
Ploidies
Transfection
Cultured Cells
Thrombosis
Gene Expression

ASJC Scopus subject areas

  • Hematology
  • Biochemistry
  • Cell Biology
  • Immunology

Cite this

Induction of functional platelets from mouse and human fibroblasts by p45NF-E2/Maf. / Ono, Yukako; Wang, Yuhuan; Suzuki, Hidenori; Okamoto, Shinichiro; Ikeda, Yasuo; Murata, Mitsuru; Poncz, Mortimer; Matsubara, Yumiko.

In: Blood, Vol. 120, No. 18, 01.11.2012, p. 3812-3821.

Research output: Contribution to journalArticle

Ono, Y, Wang, Y, Suzuki, H, Okamoto, S, Ikeda, Y, Murata, M, Poncz, M & Matsubara, Y 2012, 'Induction of functional platelets from mouse and human fibroblasts by p45NF-E2/Maf', Blood, vol. 120, no. 18, pp. 3812-3821. https://doi.org/10.1182/blood-2012-02-413617
Ono, Yukako ; Wang, Yuhuan ; Suzuki, Hidenori ; Okamoto, Shinichiro ; Ikeda, Yasuo ; Murata, Mitsuru ; Poncz, Mortimer ; Matsubara, Yumiko. / Induction of functional platelets from mouse and human fibroblasts by p45NF-E2/Maf. In: Blood. 2012 ; Vol. 120, No. 18. pp. 3812-3821.
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