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- W1977940550 abstract "SCA-9 cell line was developed from an induced tumor of mouse submandibular gland (T. Barka, H. van der Noen, A.M. Michelakis, I. Schenkein, Epidermal growth factor, renin, and peptidase in cultured tumor cells of submandibular gland origin. Lab. Invest., 42 (1980) 656–662). We have studied some of the phenotypic characteristics of SCA cells cultured on different matrices. On plastic surface, the cells grow as a monolayer; on matrigel, they form branching structures and tubes, a phenomenon termed branching morphogenesis. EGF and HGF promoted cellular growth and branching morphogenesis which was inhibited by anti-EGF antibodies. We have performed RT-PCR and real-time quantitative RT-PCR of cells grown on plastic surface or on matrigel. Grown on plastic, the cells express EGF and renin 2, but no or only trace amounts of NGF. Growth on matrigel for 24 h resulted in a transient 21-fold increase in EGF mRNA and a 3371-fold increase in renin 2 mRNA. There was no change in NGF mRNA level. SCA-9 cells express mRNAs for receptors for the EGF family of ligands. On plastic, mainly ErbB1 and ErbB2 are expressed. Culture on matrigel resulted in 11-fold increase in mRNA levels for ErbB1 and ErbB2, and a 221-fold and 85-fold increase in the mRNA levels for ErbB3 and ErbB4, respectively. Small interfering RNAs siErbB3 and siErbB4 inhibited the growth of the cells grown on plastic or matrigel. Significant growth inhibition was seen also with siErbB1 + siErbB3 and siErbB2 + siErbB3. siErbB1 and siErbB2 also inhibited branching morphogenesis. Since SCA cells express EGF and receptors for EGF, EGF acts an autocrine regulator in promoting growth and branching morphogenesis. We conclude that SCA cells provide a useful model to analyze the mechanism of branching morphogenesis and the role of matrix in regulating expression of phenotypic characteristics of cultured cells." @default.
- W1977940550 created "2016-06-24" @default.
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- W1977940550 date "2005-08-01" @default.
- W1977940550 modified "2023-09-25" @default.
- W1977940550 title "Differentiation of a mouse submandibular gland-derived cell line (SCA) grown on matrigel" @default.
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- W1977940550 doi "https://doi.org/10.1016/j.yexcr.2005.04.025" @default.
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