Infection of mouse liver by human adenovirus type 5.
CBA mice, inoculated intravenously with large doses of adenovirus type 5, showed raised levels of serum aspartate aminotransferase ( SAAT; EC 2.6.I.I) and died within a few days from histologically demonstrable hepatic necrosis. After inoculation of I LD50, virus was rapidly taken up by the tissues where infectivity then declined greatly. Organ titres then increased about 100-fold by 48 h p.i. but, in the liver, which showed intranuclear inclusion bodies, and by electron microscopy, scattered intranuclear and intracytoplasmic adenovirions, the increase was 10000- to 100000-fold. P antigen was detected by single radial diffusion in liver extracts, and by immunofluorescence in 80% of liver cells at 36 h p.i. Hexon, penton base and fibre antigens appeared later and in fewer cells. The maximum amount of hexon, of demonstrable type 5 specificity, was shown by radioimmunoassay to be equivalent to up to 5 x 1011 whole adenovirions/g liver. It is concluded that human adenovirus type 5 undergoes an abortive but lytic infection in most liver cells but that replication may proceed to completion in a few.[1]References
- Infection of mouse liver by human adenovirus type 5. Duncan, S.J., Gordon, F.C., Gregory, D.W., McPhie, J.L., Postlethwaite, R., White, R., Willcox, H.N. J. Gen. Virol. (1978) [Pubmed]
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