Abstract
Fetuin-B has recently been cloned and identified from rats, mice, and humans; their expression patterns, however, have not been elucidated yet. In this study, Cagfetuin-B has been cloned in gibel carp. RT-PCR and Western blot detection revealed that Cagfetuin-B is first transcribed from the blastula stage and at a relatively stable level afterward during embryogenesis and the larval stage. Cagfetuin-B transcripts are predominantly distributed over the yolk syncytial layer in the early embryos and later restricted to the cells of liver and brain in newly hatched larvae. Moreover, a dynamic distribution of Cagfetuin-B protein was observed in brain, kidney, liver, and skin during morphogenesis. In adult fish, Cagfetuin-B transcripts are restricted in liver and ovary. Our work, for the first time, revealed the extra-hepatic transcription and a dynamic distribution of fetuin-B during embryogenesis and in adults, which indicates the potential roles of fetuin-B in fish organogenesis.
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Acknowledgments
We would like to thank Dr. Yin Z., Dr. He J. Y., and Dr. Xiao W. H. for reading and commenting on the manuscript. This work was supported by grants from the National Major Basic Research Program (2004CB117401).
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Liu, JX., Zhai, YH., Geng, FS. et al. Molecular Characterization and Expression Pattern of Fetuin-B in Gibel Carp (Carassius auratus gibelio). Biochem Genet 46, 620–633 (2008). https://doi.org/10.1007/s10528-008-9176-4
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DOI: https://doi.org/10.1007/s10528-008-9176-4