PcMab-47: Novel Antihuman Podocalyxin Monoclonal Antibody for Immunohistochemistry

Satoshi Ogasawara, Mika K. Kaneko, Shinji Yamada, Ryusuke Honma, Takuro Nakamura, Noriko Saidoh, Miyuki Yanaka, Kanae Yoshida, Yuki Fujii, Yukinari Kato

研究成果: Article査読

12 被引用数 (Scopus)

抄録

Podocalyxin (PODXL) is a CD34-related sialomucin and a well-known marker of embryonic stem cells. PODXL is expressed in many types of tumors including colorectal cancers, breast cancers, and brain tumors. Overexpression of PODXL is an independent predictor of progression, metastasis, and poor outcome. PODXL is also expressed in many normal cells such as renal podocytes and endothelial cells (ECs). However, high-sensitive and high-specific anti-PODXL monoclonal antibodies (mAbs) have not been established. Herein, we immunized mice with recombinant human PODXL, which was produced using LN229 glioblastoma cells. The anti-PODXL mAb, PcMab-47, reacted with endogenous PODXL-expressing cancer cell lines and normal cells independently of glycosylation in flow cytometry. Immunohistochemical analysis showed that PcMab-47 detected PODXL-expressing normal cells such as podocytes of kidney or ECs. Furthermore, PcMab-47 stained PODXL-expressing cancer cells of colon or breast cancers. These results suggest that PcMab-47 could be useful for investigating the expression and function of PODXL in cancers and normal tissues.

本文言語English
ページ(範囲)50-56
ページ数7
ジャーナルMonoclonal antibodies in immunodiagnosis and immunotherapy
36
2
DOI
出版ステータスPublished - 2017 4

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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