Related Experiment Videos
Fowl plague virus adapted to human leukemia cells: interaction with normal human leukocytes and plastic surfaces
Pathologia Et Microbiologia
|January 1, 1975
Abstract:
An avian influenza A virus which grows well in human leukemic myeloblasts was unable to replicate in normal human leukocytes. The virus adhered during the first hours of incubation to plastic surfaces and to leukocytes and was then released into the supernatant; care should be taken not to confuse this with viral growth.
Insights
Avian influenza A virus replicates in human leukemic myeloblasts but not normal leukocytes. Adherence to surfaces and cells, followed by release, may be mistaken for viral replication.
Area of Science:
- Virology
- Immunology
- Cell Biology
Background:
- Avian influenza A viruses can infect various cell types.
- Understanding host cell tropism is crucial for predicting viral spread and pathogenesis.
Purpose of the Study:
- To investigate the replication and interaction of a specific avian influenza A virus with human myeloid cells.
- To differentiate true viral replication from transient cell adherence.
Main Methods:
- Incubation of avian influenza A virus with human leukemic myeloblasts and normal human leukocytes.
- Monitoring viral presence and release in cell cultures and supernatant over time.
Main Results:
- The avian influenza A virus replicated effectively in human leukemic myeloblasts.
- No viral replication was observed in normal human leukocytes.
- The virus exhibited adherence to plastic surfaces and leukocytes, followed by release into the supernatant, mimicking growth.
Conclusions:
- Human leukemic myeloblasts support avian influenza A virus replication.
- Normal human leukocytes are resistant to avian influenza A virus replication.
- Distinguishing viral adherence from replication is critical in cell-based assays.