Association of nuclear-intermediate filament lamin B1 with necrotic- and apoptotic-morphologies in cell death induced by 5-fluoro-2'-deoxyuridine.

Akira Sato, Akito Satake, Akiko Hiramoto, Akiko Okamatsu, Kentaro Nakama, Hye-Sook Kim, Yusuke Wataya

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We report that anticancer 5-fluoro-2'-deoxyuridine (FUdR) shows cytotoxicity against mouse cancer cell line FM3A cells, using a progeny clone F28-7 and its variant F28-7-A. In this process, the cell-death morphology is different between F28-7 and F28-7-A cells, that is, necrosis in F28-7 but apoptosis in F28-7-A cells. Recently we have investigated the gene and protein expression profiles of necrosis and apoptosis induced by FUdR using transcriptomic and proteomic analyses. In the proteomic analysis of these cells before their exposure to FUdR, the nuclear inner-membrane protein lamin B1 is up-regulated in F28-7 but not in F28-7-A, suggesting that lamin B1 may possess a function to regulate the morphology of cell-death. A knockdown of lamin B1 expression in F28-7 cells has now been performed by use of the small interfering RNA technique, resulting in a decrease of the lamin B1-expression level down to the level in F28-7-A. Remarkably, the FUdR-induced death morphology of this knocked-down F28-7 was apoptosis, definitely different from the necrosis that occurs in the FUdR-treated original F28-7. Our present finding provides an interesting possibility that lamin-B1 may have an important role in regulating cell-death morphology.

Original languageEnglish
Pages (from-to)293-294
Number of pages2
JournalNucleic acids symposium series (2004)
Issue number53
Publication statusPublished - 2009

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Intermediate Filaments
Cell Death
Necrosis
Apoptosis
Proteomics
Nuclear Envelope
Transcriptome
Small Interfering RNA
Membrane Proteins
Clone Cells
5-fluoro-2'-deoxyuridine
lamin B1
Cell Line
Neoplasms
Proteins

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Association of nuclear-intermediate filament lamin B1 with necrotic- and apoptotic-morphologies in cell death induced by 5-fluoro-2'-deoxyuridine. / Sato, Akira; Satake, Akito; Hiramoto, Akiko; Okamatsu, Akiko; Nakama, Kentaro; Kim, Hye-Sook; Wataya, Yusuke.

In: Nucleic acids symposium series (2004), No. 53, 2009, p. 293-294.

Research output: Contribution to journalArticle

Sato, Akira ; Satake, Akito ; Hiramoto, Akiko ; Okamatsu, Akiko ; Nakama, Kentaro ; Kim, Hye-Sook ; Wataya, Yusuke. / Association of nuclear-intermediate filament lamin B1 with necrotic- and apoptotic-morphologies in cell death induced by 5-fluoro-2'-deoxyuridine. In: Nucleic acids symposium series (2004). 2009 ; No. 53. pp. 293-294.
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