## Abstract Studies were conducted on the tumorigenicity of a hamster brain tumor (HBT) cell line persistently infected with measles virus (MV). This cell population, termed HBTโM, exhibited decreased tumorigenicity in weanling hamsters when implanted intracutaneously. The lowered tumorigenicity of
Cytophotometric analysis of lytically and persistently infected tissue culture cells with measles virus
โ Scribed by H. Harms; H. M. Aus; V. ter Meulen
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 686 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0196-4763
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โฆ Synopsis
Abstract
Lytically and persistently infected VERO and LUB cells were cytophotometrically characterized with the aid of computer analysis. Images scanned at 260 and 280 nm were processed by computer algorithms. With this approach, infected cells could be segmented and differentiated from uninfected cells. Lytically and persistently infected cells could be distinguished by distinct differences in nuclear and cytoplasmic optical densities. These findings are supported by biologic data based on the analysis of virusโspecific proteins and nucleic acids. The applied computer aided cytophotometry provides a new approach in the study of virusโcell interaction.
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## Abstract Cyclopentenone prostaglandins are potent inhibitors of a wide variety of RNA and DNA viruses. In this report we describe that prostaglandin A~1~ (PGA~1~) potently inhibited the replication of classical swine fever virus in cultures of PKโ15 cells. The highest nonโtoxic dose (5 ฮผg/ml) in
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