Cloning of hexamethylene-bis-acetamide-inducible transcript, HEXIM1, in human vascular smooth muscle cells

Masatoshi Kusuhara, Koichi Nagasaki, Kensuke Kimura, Nicolai Maass, Tomohiro Manabe, Shiro Ishikawa, Minoru Aikawa, Koji Miyazaki, Ken Yamaguchi

Research output: Contribution to journalArticle

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Abstract

The dedifferentiation and the abnormal growth of vascular smooth muscle cells (VSMC) is a major component of vascular diseases. Hexamethylene-bis-acetamide (HMBA) has recently been shown to modulate the differentiation and growth of VSMC in vitro and in vivo. To determine the mechanism of this effect, we treated human coronary artery VSMC with HMBA and analyzed the effect of HMBA on gene expression by mRNA differential display. HMBA modulated the expression of a number of specific message fragments. By Marathon extension and cDNA screening, we isolated a novel gene, HEXIM1, that is up-regulated in HMBA-stimulated VSMC. HEXIM1 cDNA has a length of 3624 bp and encodes for a protein of 359 amino acids. Northern blot analysis demonstrated that the level of HEXIM1 mRNA rapidly increased at 1 h after HMBA stimulation and was sustained for 48 h. These results suggest that HEXIM1 plays an important role in the regulation of the growth and differentiation of VSMC.

Original languageEnglish
Pages (from-to)273-279
Number of pages7
JournalBiomedical Research
Volume20
Issue number5
Publication statusPublished - 1999

Fingerprint

Cloning
Vascular Smooth Muscle
Smooth Muscle Myocytes
Muscle
Organism Cloning
Cells
Growth
Complementary DNA
Messenger RNA
Gene Expression Profiling
Vascular Diseases
Gene expression
Northern Blotting
acetamide
Coronary Vessels
Screening
Genes
Display devices
Gene Expression
Amino Acids

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Kusuhara, M., Nagasaki, K., Kimura, K., Maass, N., Manabe, T., Ishikawa, S., ... Yamaguchi, K. (1999). Cloning of hexamethylene-bis-acetamide-inducible transcript, HEXIM1, in human vascular smooth muscle cells. Biomedical Research, 20(5), 273-279.

Cloning of hexamethylene-bis-acetamide-inducible transcript, HEXIM1, in human vascular smooth muscle cells. / Kusuhara, Masatoshi; Nagasaki, Koichi; Kimura, Kensuke; Maass, Nicolai; Manabe, Tomohiro; Ishikawa, Shiro; Aikawa, Minoru; Miyazaki, Koji; Yamaguchi, Ken.

In: Biomedical Research, Vol. 20, No. 5, 1999, p. 273-279.

Research output: Contribution to journalArticle

Kusuhara, M, Nagasaki, K, Kimura, K, Maass, N, Manabe, T, Ishikawa, S, Aikawa, M, Miyazaki, K & Yamaguchi, K 1999, 'Cloning of hexamethylene-bis-acetamide-inducible transcript, HEXIM1, in human vascular smooth muscle cells', Biomedical Research, vol. 20, no. 5, pp. 273-279.
Kusuhara, Masatoshi ; Nagasaki, Koichi ; Kimura, Kensuke ; Maass, Nicolai ; Manabe, Tomohiro ; Ishikawa, Shiro ; Aikawa, Minoru ; Miyazaki, Koji ; Yamaguchi, Ken. / Cloning of hexamethylene-bis-acetamide-inducible transcript, HEXIM1, in human vascular smooth muscle cells. In: Biomedical Research. 1999 ; Vol. 20, No. 5. pp. 273-279.
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AU - Aikawa, Minoru

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