The biological role of the unique molecule RCAS1: A bioactive marker that induces connective tissue remodeling and lymphocyte apoptosis

Kenzo Sonoda, Shingo Miyamoto, Manabu Nakashima, Norio Wake

研究成果: Contribution to journalReview article査読

43 被引用数 (Scopus)

抄録

RCAS1 is a receptor-binding cancer antigen which is expressed on human uterine cervical adenocarcinoma cell line (SiSo). Finding a correlation between the expression of this gene and the overall survival of patients with 14 different types of cancer points to the clinical significance of this gene. Moreover, the expression RCAS1 correlates with other clinicopathological parameters including the histological type of cancer, its differentiation, tumor size, clinical stage, the depth of invasion, lymphovascular space involvement, lymph node metastasis, and positive peritoneal cytological results. RCAS1 can induce apoptosis in peripheral lymphocytes in vitro as well as in an increased number of apoptotic tumor-infiltrating lymphocytes. RCAS1 is also believed to contribute to the escape of tumor cells from immune surveillance. RCAS1 is secreted via ectodomain shedding, and its expression is related to changes in the characteristics of the extracellular matrix and to a reduced number of vimentin-positive tumor stromal cells, findings that suggest that RCAS1 may induce connective tissue remodeling. The concentration of RCAS1 in serum or pleural effusions has been found to be significantly higher in patients with several different types of cancer as comapred to normal controls. Together, the available data shows that RCAS1 may have value as a biomarker for monitoring therapeutic efficacy. Further exploration of the biological function of RCAS1 should help in the development of new therapeutic strategies against human malignancies.

本文言語英語
ページ(範囲)1106-1116
ページ数11
ジャーナルFrontiers in Bioscience
13
3
DOI
出版ステータス出版済み - 2008

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)

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