Abstract:
:Nd1-S is the nuclear-localizing short variant form of Nd1 (Ivns1abp) encoding a Kelch family transcription factor. While the function of Nd1 has been investigated in the context of metastasis and doxorubicin-induced cardiotoxicity, little is known about its role in hematopoiesis. In this study, we investigated the function of Nd1-S in hematopoiesis by transplanting the Nd1-S-overexpressing murine hematopoietic stem and progenitor cells (HSPCs) into recipient mice (Nd1-S mice). Enforced expression of Nd1-S led to erythroid and megakaryocyte dysplasia, demonstrated by dramatically decreased red blood cells and platelets, and megakaryocytes in the peripheral blood and bone marrow of the Nd1-S mice. Moreover, phenotypic megakaryocyte-erythroid progenitors (MEPs) accumulated in these Nd1-S mice with aberrant morphology and defective colony-forming capability. Furthermore, these phenotypic MEPs showed impaired pathways regulating erythroid differentiation and megakaryocyte development. Therefore, our study provides de novo evidence that overexpression of Nd1-S in HSPCs leads to erythroid and megakaryocyte dysplasia in vivo by targeting MEPs.
journal_name
DNA Cell Bioljournal_title
DNA and cell biologyauthors
Lin Y,Luo Y,Hu F,Wang T,Dong Y,Yang D,He X,Chen X,Wang J,Du J,Zhang Xdoi
10.1089/dna.2018.4206subject
Has Abstractpub_date
2018-10-01 00:00:00pages
831-838issue
10eissn
1044-5498issn
1557-7430journal_volume
37pub_type
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