Analysis of Extracellular Matrix Proteins in Malignant Chicken Cell Lines

The adherent chicken cell line, MDCC-MSB1-41C, was highly transplantable and metastatic in vivo, compared with the parental non-adherent cell line MDCC-MSB1 from Marek's disease (MD) lymphoblastoid tumor. For clarification of differences in extracellular matrix proteins in MSB1-41C and MSB1 cel...

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Published inJournal of Veterinary Medical Science Vol. 59; no. 5; pp. 405 - 408
Main Authors KOYAMA, Takumi, NAKAJIMA, Yasuyuki, MIURA, Katsuhiro, YAMAZAKI, Mika, SHINOZAKI, Mika, KUMAGAI, Tatsuko, SAKANIWA, Misao
Format Journal Article
LanguageEnglish
Published Japan JAPANESE SOCIETY OF VETERINARY SCIENCE 01.05.1997
Japan Science and Technology Agency
Subjects
Amino Acid Sequence
Animals
Cell Adhesion
Cell Line
chicken cell line
Chickens
Extracellular Matrix Proteins - analysis
Extracellular Matrix Proteins - biosynthesis
fibronectin
Fibronectins - analysis
Fibronectins - biosynthesis
Fluorescent Antibody Technique, Indirect
Immunoblotting
Integrins - physiology
Marek Disease
Oligopeptides
Receptors, Fibronectin - analysis
Receptors, Fibronectin - biosynthesis
Tumor Cells, Cultured
vinculin
Vinculin - analysis
Vinculin - biosynthesis
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Summary:The adherent chicken cell line, MDCC-MSB1-41C, was highly transplantable and metastatic in vivo, compared with the parental non-adherent cell line MDCC-MSB1 from Marek's disease (MD) lymphoblastoid tumor. For clarification of differences in extracellular matrix proteins in MSB1-41C and MSB1 cells, examination was made of various components of extracellular matrix proteins. A detachment experiment indicated the protein(s) recognizing the Arg-Gly-Asp (RGD) sequence, the minimum structure required for recognition by the cell-surface receptors, is essential for the adherent character. Immunoblot assay using antibodies showed increased expression of fibronectin, fibronectin receptors, and vinculin on MSB1-41C cell lines. RGD-directed integrins mediate important cell-cell adhesive interaction and these interactions with extracellular matrix proteins may thus possibly be requisite for migration, proliferation and metastatic dissemination of MDCC-MSB1-41C cells. The RGD-containing peptide in the culture medium could cause detachment of cultured adhesive lymphoid leukosis LSCC-1104X5 cells from the dish too.
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ISSN:0916-7250
1347-7439
DOI:10.1292/jvms.59.405