MIP-2A Is a Novel Target of an Anilinoquinazoline Derivative for Inhibition of Tumour Cell Proliferation

Mayuko Tokunaga, Hirokazu Shiheido, Noriko Tabata, Yuko Sakuma-Yonemura, Hideaki Takashima, Kenichi Horisawa, Nobuhide Doi, Hiroshi Yanagawa

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We recently identified a novel anilinoquinazoline derivative, Q15, as a potent apoptosis inducer in a panel of human cancer cell lines and determined that Q15 targets hCAP-G2, a subunit of condensin II complex, leading to abnormal cell division. However, whether the defect in normal cell division directly results in cell death remains unclear. Here, we used an mRNA display method on a microfluidic chip to search for other Q15-binding proteins. We identified an additional Q15-binding protein, MIP-2A (MBP-1 interacting protein-2A), which has been reported to interact with MBP-1, a repressor of the c-Myc promoter. Our results indicate that Q15 inhibits the interaction between MIP-2A and MBP-1 as well as the expression of c-Myc protein, thereby inducing cell death. This study suggests that the simultaneous targeting of hCAP-G2 and MIP-2A is a promising strategy for the development of antitumor drugs as a treatment for intractable tumours.

Original languageEnglish
Article numbere76774
JournalPloS one
Volume8
Issue number9
DOIs
Publication statusPublished - Sep 30 2013
Externally publishedYes

Fingerprint

Cell proliferation
Tumors
cell proliferation
Cells
Cell Proliferation
Cell death
Derivatives
Cell Division
Carrier Proteins
Cell Death
Proto-Oncogene Proteins c-myc
cell division
binding proteins
cell death
Neoplasms
Microfluidics
proteins
Antineoplastic Agents
Display devices
Apoptosis

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Tokunaga, M., Shiheido, H., Tabata, N., Sakuma-Yonemura, Y., Takashima, H., Horisawa, K., ... Yanagawa, H. (2013). MIP-2A Is a Novel Target of an Anilinoquinazoline Derivative for Inhibition of Tumour Cell Proliferation. PloS one, 8(9), [e76774]. https://doi.org/10.1371/journal.pone.0076774

MIP-2A Is a Novel Target of an Anilinoquinazoline Derivative for Inhibition of Tumour Cell Proliferation. / Tokunaga, Mayuko; Shiheido, Hirokazu; Tabata, Noriko; Sakuma-Yonemura, Yuko; Takashima, Hideaki; Horisawa, Kenichi; Doi, Nobuhide; Yanagawa, Hiroshi.

In: PloS one, Vol. 8, No. 9, e76774, 30.09.2013.

Research output: Contribution to journalArticle

Tokunaga, M, Shiheido, H, Tabata, N, Sakuma-Yonemura, Y, Takashima, H, Horisawa, K, Doi, N & Yanagawa, H 2013, 'MIP-2A Is a Novel Target of an Anilinoquinazoline Derivative for Inhibition of Tumour Cell Proliferation', PloS one, vol. 8, no. 9, e76774. https://doi.org/10.1371/journal.pone.0076774
Tokunaga, Mayuko ; Shiheido, Hirokazu ; Tabata, Noriko ; Sakuma-Yonemura, Yuko ; Takashima, Hideaki ; Horisawa, Kenichi ; Doi, Nobuhide ; Yanagawa, Hiroshi. / MIP-2A Is a Novel Target of an Anilinoquinazoline Derivative for Inhibition of Tumour Cell Proliferation. In: PloS one. 2013 ; Vol. 8, No. 9.
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