Document Detail


Establishment and characterization of a noradrenergic adrenal chromaffin cell line, tsAM5NE, immortalized with the temperature-sensitive SV40 T-antigen.
MedLine Citation:
PMID:  21029049     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We established a clonal adrenal medullary cell line, named tsAM5NE, from transgenic mice harbouring the temperature-sensitive Simian virus 40 large T-antigen gene, under the control of the tyrosine hydroxylase promoter. tsAM5NE cells conditionally grew at a permissive temperature of 33°C and exhibited the noradrenergic chromaffin cell phenotype. To understand the characteristics of tsAM5NE cells, we first examined the responsiveness of the cells to ligands of the GDNF (glial cell line-derived neurotrophic factor) family. tsAM5NE cells proliferated at the permissive temperature of 33°C in response to either GDNF or neurturin, but not artemin or persephin. At the non-permissive temperature of 39°C, GDNF or neurturin caused tsAM5NE cells to differentiate into neuron-like cells; however, the differentiated cells died in a time-dependent manner. Interestingly, LIF (leukaemia inhibitory factor) did not affect the GDNF-mediated cell proliferation at 33°C, but promoted the survival and differentiation of GDNF-treated cells at 39°C. In the presence of GDNF plus LIF, the morphological change induced by the temperature shift was associated with up-regulated expression of neuronal markers, indicating that the cells had indeed undergone neuronal differentiation. Thus, we demonstrated that tsAM5NE cells had the capacity to terminally differentiate into neuron-like cells in response to GDNF plus LIF when the oncogene was inactivated by the temperature shift. Thus, this cell line provides a useful model system for studying the mechanisms regulating neuronal differentiation.
Authors:
Susumu Kohno; Tomiyasu Murata; Naoshi Koide; Kiyomi Hikita; Norio Kaneda
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Cell biology international     Volume:  35     ISSN:  1095-8355     ISO Abbreviation:  Cell Biol. Int.     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-03-18     Completed Date:  2011-07-14     Revised Date:  2012-08-02    
Medline Journal Info:
Nlm Unique ID:  9307129     Medline TA:  Cell Biol Int     Country:  England    
Other Details:
Languages:  eng     Pagination:  325-34     Citation Subset:  IM    
Affiliation:
Department of Analytical Neurobiology, Faculty of Pharmacy, Meijo University, Tempaku, Nagoya 4688503, Japan.
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MeSH Terms
Descriptor/Qualifier:
Adrenal Glands / cytology*
Animals
Antigens, Polyomavirus Transforming / genetics*
Cell Line, Tumor / cytology*,  metabolism
Cell Proliferation
Cells, Cultured
Chromaffin Cells / cytology*,  metabolism
Glial Cell Line-Derived Neurotrophic Factor / metabolism
Mice
Mice, Transgenic
Nerve Growth Factors / metabolism
Neurogenesis
Neurons / cytology
Chemical
Reg. No./Substance:
0/Antigens, Polyomavirus Transforming; 0/Glial Cell Line-Derived Neurotrophic Factor; 0/Nerve Growth Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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