Capsaicin binds to prohibitin 2 and displaces it from the mitochondria to the nucleus

Chikanori Kuramori, Motoki Azuma, Kanako Kume, Yuki Kaneko, Atsushi Inoue, Yuki Yamaguchi, Yasuaki Kabe, Takamitsu Hosoya, Masahiro Kizaki, Makoto Suematsu, Hiroshi Handa

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Capsaicin is widely used as a food additive and as an analgesic agent. Besides its well-known role in nociception, which is mediated by vanilloid receptor 1 specifically expressed in dorsal root ganglion neurons, capsaicin has also been considered as a potential anticancer agent, as it inhibits cell proliferation and induces apoptosis in various types of cancer cells. Here we identified a new molecular target of capsaicin from human myeloid leukemia cells. We show that capsaicin binds to prohibitin (PHB) 2, which is normally localized to the inner mitochondrial membrane, and induces its translocation to the nucleus. PHB2 is implicated in the maintenance of mitochondrial morphology and the control of apoptosis. We also provide evidence suggesting that capsaicin causes apoptosis directly through the mitochondria and that PHB2 contributes to capsaicin-induced apoptosis at multiple levels. This work will serve as an important foundation for further understanding of anticancer activity of capsaicin.

Original languageEnglish
Pages (from-to)519-525
Number of pages7
JournalBiochemical and Biophysical Research Communications
Volume379
Issue number2
DOIs
Publication statusPublished - 2009 Feb 6

Fingerprint

Mitochondria
Capsaicin
Apoptosis
Food additives
Food Additives
Myeloid Leukemia
Nociception
Cell proliferation
Spinal Ganglia
Mitochondrial Membranes
Myeloid Cells
prohibitin
Antineoplastic Agents
Neurons
Analgesics
Cells
Maintenance
Cell Proliferation
Membranes

Keywords

  • Apoptosis
  • Capsaicin
  • FG beads
  • p53
  • Prohibitin

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Cell Biology
  • Molecular Biology

Cite this

Capsaicin binds to prohibitin 2 and displaces it from the mitochondria to the nucleus. / Kuramori, Chikanori; Azuma, Motoki; Kume, Kanako; Kaneko, Yuki; Inoue, Atsushi; Yamaguchi, Yuki; Kabe, Yasuaki; Hosoya, Takamitsu; Kizaki, Masahiro; Suematsu, Makoto; Handa, Hiroshi.

In: Biochemical and Biophysical Research Communications, Vol. 379, No. 2, 06.02.2009, p. 519-525.

Research output: Contribution to journalArticle

Kuramori, C, Azuma, M, Kume, K, Kaneko, Y, Inoue, A, Yamaguchi, Y, Kabe, Y, Hosoya, T, Kizaki, M, Suematsu, M & Handa, H 2009, 'Capsaicin binds to prohibitin 2 and displaces it from the mitochondria to the nucleus', Biochemical and Biophysical Research Communications, vol. 379, no. 2, pp. 519-525. https://doi.org/10.1016/j.bbrc.2008.12.103
Kuramori, Chikanori ; Azuma, Motoki ; Kume, Kanako ; Kaneko, Yuki ; Inoue, Atsushi ; Yamaguchi, Yuki ; Kabe, Yasuaki ; Hosoya, Takamitsu ; Kizaki, Masahiro ; Suematsu, Makoto ; Handa, Hiroshi. / Capsaicin binds to prohibitin 2 and displaces it from the mitochondria to the nucleus. In: Biochemical and Biophysical Research Communications. 2009 ; Vol. 379, No. 2. pp. 519-525.
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