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The objective of this study was to generate and characterize monoclonal antibodies against rat airway mucins. Therefore, it should serve as a useful tool in studying the regulation of airway mucins using various in vivo rat models that are currently available. As an antigen, we used a high molecular mass mucin preparation purified from the spent media of rat tracheal surface epithelial cells in primary culture. Seven monoclonal hybridomas were obtained, among which mAbRT03 showed the highest immunoreactivity against the mucin. All of the antibodies secreted by these hybridomas recognized carbohydrate epitopes but not sialic acid residues, since their immunoreactivity was completely abolished by treatment of the mucin with 20 mM periodate but not with neuraminidase. Further characterization of mAbRT03 showed that (1) it belongs to the IgM type, (2) it binds to high molecular mass mucins based on Western blot, (3) it could indirectly immunoprecipitate rat airway mucin--and, as we know, this is the first demonstration of immunoprecipitation of airway mucin with anti-mucin antibodies--(4) it binds to the luminal side of tracheal epithelium as well as some goblet cells based on immunohistochemistry, and (5) it also recognizes in vivo airway mucins from rats, but not from human nor hamsters, which have been purified from the airway lavage fluids. This is the first monoclonal antibody against rat airway mucin, which has been developed against purified rat airway mucins. Therefore, mAbRT03 should be able to serve as an invaluable tool in studying the regulation of airway mucins using various intact rat models that are currently available.
C Y Shin, and
E Y Choi, and
K C Kim, and
K H Ko
August 1994,
Hybridoma,
C Y Shin, and
E Y Choi, and
K C Kim, and
K H Ko
October 1999,
Hybridoma,
C Y Shin, and
E Y Choi, and
K C Kim, and
K H Ko
September 1990,
Thrombosis research,
C Y Shin, and
E Y Choi, and
K C Kim, and
K H Ko
June 2020,
Journal of acupuncture and meridian studies,
C Y Shin, and
E Y Choi, and
K C Kim, and
K H Ko
June 2001,
Experimental & molecular medicine,
C Y Shin, and
E Y Choi, and
K C Kim, and
K H Ko
January 1993,
Bulletin of the Institute of Maritime and Tropical Medicine in Gdynia,
C Y Shin, and
E Y Choi, and
K C Kim, and
K H Ko
January 2005,
Journal of biochemistry and molecular biology,
C Y Shin, and
E Y Choi, and
K C Kim, and
K H Ko
December 1984,
Applied and environmental microbiology,
C Y Shin, and
E Y Choi, and
K C Kim, and
K H Ko
October 1989,
Immunitat und Infektion,
C Y Shin, and
E Y Choi, and
K C Kim, and
K H Ko
January 1984,
Folia biologica,
