Notch1-promoted TRPA1 expression in erythroleukemic cells suppresses erythroid but enhances megakaryocyte differentiation

Ji Lin Chen, Yueh Hsin Ping, Min Jen Tseng, Yuan I. Chang, Hsin Chen Lee, Rong Hong Hsieh, Tien Shun Yeh

Research output: Contribution to journalArticle

Abstract

The Notch1 pathway plays important roles in modulating erythroid and megakaryocyte differentiation. To screen the Notch1-related genes that regulate differentiation fate of K562 and HEL cells, the expression of transient receptor potential ankyrin 1 (TRPA1) was induced by Notch1 receptor intracellular domain (N1IC), the activated form of Notch1 receptor. N1IC and v-ets erythroblastosis virus E26 oncogene homolog 1 (Ets-1) bound to TRPA1 promoter region to regulate transcription in K562 cells. Transactivation of TRPA1 promoter by N1IC depended on the methylation status of TRPA1 promoter. N1IC and Ets-1 suppressed the DNA methyltransferase 3B (DNMT3B) level in K562 cells. Inhibition of TRPA1 expression after Notch1 knockdown could be attenuated by nanaomycin A, an inhibitor of DNMT3B, in K562 and HEL cells. Functionally, hemin-induced erythroid differentiation could be suppressed by TRPA1, and the reduction of erythroid differentiation of both cells by N1IC and Ets-1 occurred via TRPA1. However, PMA-induced megakaryocyte differentiation could be enhanced by TRPA1, and the surface markers of megakaryocytes could be elevated by nanaomycin A. Megakaryocyte differentiation could be reduced by Notch1 or Ets-1 knockdown and relieved by TRPA1 overexpression. The results suggest that Notch1 and TRPA1 might be critical modulators that control the fate of erythroid and megakaryocyte differentiation.

Original languageEnglish
Article number42883
JournalScientific Reports
Volume7
DOIs
Publication statusPublished - Feb 21 2017

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Ankyrins
Erythroid Cells
Megakaryocytes
Notch1 Receptor
K562 Cells
Hemin
Oncogenes
Genetic Promoter Regions
Methylation
Transcriptional Activation
Cell Differentiation

ASJC Scopus subject areas

  • General

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Notch1-promoted TRPA1 expression in erythroleukemic cells suppresses erythroid but enhances megakaryocyte differentiation. / Chen, Ji Lin; Ping, Yueh Hsin; Tseng, Min Jen; Chang, Yuan I.; Lee, Hsin Chen; Hsieh, Rong Hong; Yeh, Tien Shun.

In: Scientific Reports, Vol. 7, 42883, 21.02.2017.

Research output: Contribution to journalArticle

Chen, Ji Lin ; Ping, Yueh Hsin ; Tseng, Min Jen ; Chang, Yuan I. ; Lee, Hsin Chen ; Hsieh, Rong Hong ; Yeh, Tien Shun. / Notch1-promoted TRPA1 expression in erythroleukemic cells suppresses erythroid but enhances megakaryocyte differentiation. In: Scientific Reports. 2017 ; Vol. 7.
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