Document Detail

Establishment and characterization of a novel ovarian serous adenocarcinoma cell line, TU-OS-4, that overexpresses EGFR and HER2.
MedLine Citation:
PMID:  23274876     Owner:  NLM     Status:  Publisher    
A new line of human ovarian serous adenocarcinoma cells, TU-OS-4, was established and characterized. The cells showed a short, spindle-shaped morphology and grew in monolayers without contact inhibition while forming an arrangement resembling a jigsaw puzzle. Chromosome numbers ranged from 55 to 73. The proliferation rate was lower than other serous adenocarcinoma cell lines tested (KF, SHIN-3, and SK-OV-3), and the doubling time was 53.3 h. Western blot analysis showed that TU-OS-4 cells overexpressed epidermal growth factor receptor, human epidermal growth factor receptor (HER) 2, and phosphorylated HER2 protein. The IC(50) values to cisplatin, paclitaxel, and lapatinib were 25.8 μM, 686 nM, and 183 nM, respectively. Heterotransplantation in nude mice reflected the original tumor of the cells. These results suggested that this cell line would be useful to study chemoresistant mechanisms and contribute to establishing novel treatment strategies for patients with ovarian cancer.
Hiroaki Itamochi; Misaki Kato; Mayumi Nishimura; Tetsuro Oishi; Muneaki Shimada; Shinya Sato; Jun Naniwa; Seiya Sato; Michiko Nonaka; Akiko Kudoh; Naoki Terakawa; Junzo Kigawa; Tasuku Harada
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-30
Journal Detail:
Title:  Human cell     Volume:  -     ISSN:  1749-0774     ISO Abbreviation:  Hum. Cell     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8912329     Medline TA:  Hum Cell     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Obstetrics and Gynecology, Tottori University School of Medicine, 36-1 Nishicho, Yonago, 683-8504, Japan,
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