RGD Reference Report - Establishment of a peritoneal mesothelial cell line from a transgenic rat harbouring the temperature-sensitive simian virus 40 large T-antigen gene. - Rat Genome Database

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Establishment of a peritoneal mesothelial cell line from a transgenic rat harbouring the temperature-sensitive simian virus 40 large T-antigen gene.

Authors: Hotta, Y  Kaneko, K  Inuma, J  Inami, Y  Aruga, S  Shimaoka, T  Sekiguchi, Y  Io, H  Hamada, C  Obinata, M  Ueda, M  Tomino, Y 
Citation: Hotta Y, etal., Nephrol Dial Transplant. 2010 Jan 18.
RGD ID: 2316114
Pubmed: PMID:20083474   (View Abstract at PubMed)
DOI: DOI:10.1093/ndt/gfp742   (Journal Full-text)

BACKGROUND: Establishing a peritoneal mesothelial cell (MC) line in which the native characteristics of primary MCs are constantly maintained in vivo is of great significance for investigating their morphological and functional changes in peritoneal dialysis. We established transgenic (Tg) rats that expressed the temperature-sensitive tsA58 mutant of the simian virus 40 large T-antigen (tsSV40T), which served as a source of immortalized rat cell lines. The cells were immortalized at a permissive temperature of 33 degrees C, although they were differentiated at a non-permissive temperature of 38 degrees C. In this study, we established a novel MC line from tsSV40T Tg rats and evaluated its characteristics. METHODS: MCs were isolated from 8-week-old tsSV40T Tg rats and cloned. MCs from 8-week-old Wistar rats were used as controls. These cells were immunohistochemically and phenotypically evaluated by immunofluorescence, phase contrast and electron microscopy. The production of plasminogen activator inhibitor 1 (PAI-1) from MCs stimulated by tumour necrosis factor-alpha (TNF-alpha) was measured. RESULTS: The tsSV40T MCs showed a cobblestone-like appearance at 33 and 38 degrees C, which was similar to normal primary cultured MCs. Microvilli-like structures were observed on the cell surface by a scanning electron microscope at 33 and 38 degrees C. Wilms tumour-1 and pancytokeratin, as MC markers, were expressed at 33 and 38 degrees C. Following TNF-alpha stimulation, PAI-1 production of tsSV40T MCs was similar to that of normal primary cultured MCs. CONCLUSION: We established a novel, conditionally immortalized MC line that continuously retained the characteristics of primary cultured peritoneal MCs. This cell line might be a useful tool for various types of in vitro biological research on peritoneal dialysis.

Gene Ontology Annotations    Click to see Annotation Detail View

Biological Process
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
response to cytokine  IEP 2316114 RGD 

Cellular Component
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
extracellular space  IDA 2316114 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Serpine1  (serpin family E member 1)


Additional Information