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Identification of c-Jun N-terminal kinase as a therapeutic target for abdominal aortic aneurysm

Koichi Yoshimura1, Hiroki Aoki, Yasuhiro Ikeda

  • 1Department of Molecular Cardiovascular Biology, Yamaguchi University School of Medicine, 1-1-1 Minami Kogushi, Ube, Yamaguchi 755-8505, Japan. yoshimko@yamaguchi-u.ac.jp

Annals of the New York Academy of Sciences
|December 22, 2006
PubMed

Insights

Identifying a therapeutic target for abdominal aortic aneurysm (AAA) is challenging. Researchers found c-Jun N-terminal kinase (JNK) activation enhances matrix metalloproteinases and suppresses extracellular matrix, suggesting JNK as a novel AAA therapeutic target.

Area of Science:

  • Molecular cell biology
  • Vascular disease research
  • Drug discovery

Background:

  • Identifying effective therapeutic targets for diseases remains a significant challenge in molecular cell biology.
  • Abdominal aortic aneurysm (AAA) is a life-threatening condition requiring novel therapeutic strategies.

Purpose of the Study:

  • To develop a strategy for identifying therapeutic targets in abdominal aortic aneurysm (AAA).
  • To investigate the role of signaling molecules in AAA pathogenesis.

Main Methods:

  • Screening of signaling molecules in human AAA samples.
  • Analysis of JNK pathway-oriented transcriptomes.
  • Assessment of matrix metalloproteinase activity and extracellular matrix biosynthesis.

Main Results:

  • c-Jun N-terminal kinase (JNK) was identified as a prominently activated molecule in human AAA samples.
  • JNK activation was found to enhance matrix metalloproteinase activity.
  • JNK activation was also found to suppress extracellular matrix biosynthesis.

Conclusions:

  • The c-Jun N-terminal kinase (JNK) pathway plays a critical role in abdominal aortic aneurysm (AAA) pathogenesis.
  • JNK represents a potential novel therapeutic target for the treatment of AAA.

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