Induction of bax protein and degradation of lamin A during p53-dependent apoptosis induced by chemotherapeutic agents in human cancer cell lines

Yuan Soon Ho, Horng M. Lee, Chuang Rung Chang, Jen K. Lin

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

In this study, subcellular fractionation analysis was performed to investigate the intracellular localization of Bax protein. We demonstrated that Bax protein is localized primarily in the nuclear and heavy membrane fractions. The expression of Bax protein in the nuclear membrane was induced in wild-type p53 human cancer cells (COLO 205 and Hep G2) by a wide variety of cancer chemotherapeutic agents in order to scrutinize further the biologic function of the Bax protein in the nuclear membrane. We found that lamin A and poly-(ADP ribose) polymerase (PARP) protein degradation coincided when the Bax protein level was elevated in the nuclear membrane of cells affected by drug stimuli. By using anti-sense oligodeoxynucleotides specific to human Bax mRNA, we further demonstrated that inhibition of Bax expression could specifically block lamin A but not PARP cleavage in Copyright (C) 1999 Elsevier Science Inc.

Original languageEnglish
Pages (from-to)143-154
Number of pages12
JournalBiochemical Pharmacology
Volume57
Issue number2
DOIs
Publication statusPublished - Jan 15 1999

Fingerprint

Lamin Type A
bcl-2-Associated X Protein
Proteolysis
Nuclear Envelope
Cells
Apoptosis
Cell Line
Degradation
Membranes
Poly(ADP-ribose) Polymerases
Neoplasms
Oligodeoxyribonucleotides
Fractionation
Messenger RNA
Pharmaceutical Preparations
Proteins

Keywords

  • Apoptosis
  • Bax
  • Etoposide
  • Lamin A
  • p53
  • PARP

ASJC Scopus subject areas

  • Pharmacology

Cite this

Induction of bax protein and degradation of lamin A during p53-dependent apoptosis induced by chemotherapeutic agents in human cancer cell lines. / Ho, Yuan Soon; Lee, Horng M.; Chang, Chuang Rung; Lin, Jen K.

In: Biochemical Pharmacology, Vol. 57, No. 2, 15.01.1999, p. 143-154.

Research output: Contribution to journalArticle

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