Anti-CD53 monoclonal antibody induced LFA-1/ICAM-1-dependent and -independent lymphocyte homotypic cell aggregation

Liu Cao, Tadashi Yoshino, Nobuhiro Kawasaki, Isao Sakuma, Kiyoshi Takahashi, Tadaatsu Akagi

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

CD53 is a pan-leukocyte glycoprotein and belongs to a member of the tetraspan family of cell membrane proteins. The predicted structure and functional characteristics of CD53 suggest that it may play important roles in transmembrane signaling, but its roles in cell adhesion have not been clarified. The present study shows that anti-CD53 monoclonal antibody (mAb), HI29 induced homotypic cell aggregation of lymphoid cell lines including a B cell line from a patient with leukocyte adhesion deficiency syndrome (LAD). The homotypic cell aggregation was blocked by another anti-CD53 mAb, MEM53, in all the examined cell lines and by anti-LFA-1 (CD11a/CD18) or anti-ICAM-1 (CD54) mAbs in the cell lines except for the LAD line, but it was not blocked by anti-CD44 or anti-CD49d mAb. The induced homotypic cell aggregation was energy-dependent. These findings suggest that CD53 relates to LFA-1/ICAM-1 -dependent and -independent pathways of homotypic cell aggregation of lymphocytes and that it plays an important role in lymphocyte activation and cell adhesion.

Original languageEnglish
Pages (from-to)70-81
Number of pages12
JournalImmunobiology
Volume197
Issue number1
Publication statusPublished - 1997

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Lymphocyte Function-Associated Antigen-1
Cell Aggregation
Intercellular Adhesion Molecule-1
Leukocyte-Adhesion Deficiency Syndrome
Monoclonal Antibodies
Lymphocytes
Cell Line
Cell Adhesion
Lymphocyte Activation
Glycoproteins
Membrane Proteins
Leukocytes
B-Lymphocytes

ASJC Scopus subject areas

  • Immunology

Cite this

Anti-CD53 monoclonal antibody induced LFA-1/ICAM-1-dependent and -independent lymphocyte homotypic cell aggregation. / Cao, Liu; Yoshino, Tadashi; Kawasaki, Nobuhiro; Sakuma, Isao; Takahashi, Kiyoshi; Akagi, Tadaatsu.

In: Immunobiology, Vol. 197, No. 1, 1997, p. 70-81.

Research output: Contribution to journalArticle

Cao, L, Yoshino, T, Kawasaki, N, Sakuma, I, Takahashi, K & Akagi, T 1997, 'Anti-CD53 monoclonal antibody induced LFA-1/ICAM-1-dependent and -independent lymphocyte homotypic cell aggregation', Immunobiology, vol. 197, no. 1, pp. 70-81.
Cao, Liu ; Yoshino, Tadashi ; Kawasaki, Nobuhiro ; Sakuma, Isao ; Takahashi, Kiyoshi ; Akagi, Tadaatsu. / Anti-CD53 monoclonal antibody induced LFA-1/ICAM-1-dependent and -independent lymphocyte homotypic cell aggregation. In: Immunobiology. 1997 ; Vol. 197, No. 1. pp. 70-81.
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AU - Cao, Liu

AU - Yoshino, Tadashi

AU - Kawasaki, Nobuhiro

AU - Sakuma, Isao

AU - Takahashi, Kiyoshi

AU - Akagi, Tadaatsu

PY - 1997

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