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Published on: July 25, 2020
ADAM28 as a target for human cancers
Satsuki Mochizuki1, Yasunori Okada
1Department of Pathology, School of Medicine, Keio University, Tokyo, Japan. smochi@sc.itc.keio.ac.jp
Abstract:
ADAM28 is a member of the ADAM (a disintegrin and metalloproteinase) gene family and consists of two isoforms, prototype membrane-type form and short secreted form. The metalloproteinase domain of ADAM28 has the zinc-binding consensus sequence, and ADAM28 exhibits catalytic activity to a few substrates such as insulin-like growth factor binding protein-3. The disintegrin domain interacts with integrins alpha4beta1, alpha4beta7 and alpha9beta1. In human non-small cell lung carcinomas and breast carcinomas, ADAM28 is overexpressed predominantly by carcinoma cells, and the expression correlates with carcinoma cell proliferation and lymph node metastasis. In this review we present our data on the activation of proADAM28, the tissue localization in human cancers and the interaction molecules, and discuss the regulation of ADAM28 activity and gene expression, the functions of ADAM28 in human cancers and the possibility of ADAM28 as a target for cancers.
Insights
ADAM28, a metalloproteinase, is overexpressed in lung and breast cancers, correlating with proliferation and metastasis. Its activity and gene expression are discussed as potential cancer therapeutic targets.
Area of Science:
- Biochemistry
- Molecular Biology
- Oncology
Background:
- ADAM28 belongs to the ADAM (a disintegrin and metalloproteinase) gene family, with two known isoforms.
- It possesses a metalloproteinase domain with catalytic activity and a disintegrin domain that interacts with specific integrins.
Purpose of the Study:
- To review data on proADAM28 activation and tissue localization in human cancers.
- To discuss ADAM28's regulation, functions in cancer, and potential as a therapeutic target.
Main Methods:
- Review of existing data on ADAM28.
- Analysis of ADAM28 expression and function in human cancers.
Main Results:
- ADAM28 is overexpressed in human non-small cell lung and breast carcinomas.
- Expression correlates with increased carcinoma cell proliferation and lymph node metastasis.
Conclusions:
- ADAM28 plays a significant role in human cancer progression.
- ADAM28 represents a potential therapeutic target for various cancers.
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