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Phenotypic characteristics of hybrid cells generated by transferring neuronal nuclei into bone marrow stromal cell cytoplasts.

Abstract：

:Bone marrow stromal cells (BMSCs) are promising donor cells for transplantation therapies for a variety of diseases. However, there still lack efficient ways to induce directional differentiation of BMSCs to promote their practical use in transplantation therapy. In this study, we constructed hybrid cells by transferring neuronal nuclei into BMSC cytoplasts and investigated the proliferative capacity and phenotypic characteristics of the hybrid cells. The neuronal nuclei were labeled with Hoechst 33342 before the transfer process, and the cell membrane antigen CD71 was used as a marker of BMSC cytoplasts. The BMSC cytoplasts and neuronal karyoplasts were separated by Ficoll density gradient ultracentrifugation. The hybrid cells were generated by the polyethylene glycol-mediated fusion of BMSC cytoplasts with neuronal karyoplasts. The hybrid cells exhibited Hoechst 33342 staining in their nuclei and CD71 staining on their cytomembranes, which confirmed the success of cell fusion. The hybrid cells were positive for BrdU immunostaining. Viability analysis of the cultured hybrid cells by the MTT assay demonstrated their proliferative ability. Immunocytochemical staining revealed the expression of the neuron-specific markers NeuN and MAP2 in the third passage hybrid cells, which indicated their neuronal phenotypic characteristics. The results demonstrated that the hybrid cells produced by fusing neuronal karyoplasts with BMSC cytoplasts had proliferative capability and expressed the neuron-specific markers. Further study is required to investigate the phenotype of the hybrid cells both structurally and functionally.

journal_name

Brain Res Bull

journal_title

Brain research bulletin

authors

Zhou Z,Xu Y,Zhong Q,Zheng J

doi

10.1016/j.brainresbull.2011.11.001

subject

Has Abstract

pub_date

2012-02-10 00:00:00

pages

303-11

issue

2-3

eissn

0361-9230

issn

1873-2747

pii

S0361-9230(11)00327-3

journal_volume

87

pub_type

杂志文章

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