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  • Title: Culture characterization and viral infection of aortic smooth muscle cells from Japanese quail susceptible to atherosclerosis.
    Author: Shih JC, Kelemen DW, Landers SC.
    Journal: Exp Mol Pathol; 1994 Dec; 61(3):191-202. PubMed ID: 7601271.
    Abstract:
    Proliferation of aortic smooth muscle cells (SMCs), an important feature of atherosclerosis, occurs in the early stage of the disease in Japanese quail when fed an atherogenic diet. Quail aortic SMCs were isolated from a total of 32 quail and cultured in Eagle's minimum essential medium supplemented with 10% bovine fetal serum. Studies were carried out to characterize the cells in vitro. They grew actively in the early passages, but began to develop cytopathic changes after 3-4 passages and eventually cell death. The pathobiology had similarities to virus infected cells. Whole-mount electron microscopic examination detected virus-like particles in the cultured cells. All cell lines tested were positive for viral infection as screened by DNA dot blot hybridization using a genomic library of Marek's disease herpesvirus as a probe. However, the attempt to isolate the virus was unsuccessful. In summary, these cell lines are believed to be infected by a putative quail herpesvirus. Results of this in vitro cellular study support previous findings that the atherosclerosis susceptible quail are latently infected in vivo. Future studies will be needed to determine whether the virus plays a role in the pathogenesis of atherosclerosis in this animal model.
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