Previously, we demonstrated induction of a unique macrophage prothrombinase, PCA, in MHV-3 infected BALB/cJ mice. By immunologic screening, a clone representing PCA was isolated from a cDNA library and sequenced. The sequence identified this clone as representing part of a gene, musfiblp, encodes a fibrinogen-like protein. Six additional clones were isolated, and one clone, p11-3-1, encompassed the entire coding region of musfiblp. Murine macrophages did not constitutively express musfiblp, but when infected with MHV-3, synthesized musfiblp-specific mRNA. Musfiblp mRNA induction was earlier and significantly greater in BALB/cJ than A/J macrophages. Prothrombinase activity was demonstrate when musfiblp was expressed from p11-3-1 in RAW 264.7 cells. These data suggest that musfiblp encodes the MHV-induced prothrombinase.
CITATION STYLE
Parr, R. L., Fung, L., Reneker, J., Myers-Mason, N., Leibowitz, J. L., & Levy, G. (1995). MHV-3 induced prothrombinase is encoded by Musfiblp. In Advances in Experimental Medicine and Biology (Vol. 380, pp. 151–157). Springer New York LLC. https://doi.org/10.1007/978-1-4615-1899-0_25
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