New Porcine Cell Line for PRRSV Research
Author Information
Author(s): Diep Nguyen Van, Hayakawa-Sugaya Yuiko, Ishikawa Shingo, Kawaguchi Hiroaki, Suda Yasuo, Esaki Mana, Okuya Kosuke, Ozawa Makoto
Primary Institution: Kagoshima University
Hypothesis
Can an immortalized porcine alveolar macrophage cell line support efficient replication of PRRSV?
Conclusion
The newly established PAM-T43 cell line efficiently supports PRRSV replication and maintains essential macrophage functions.
Supporting Evidence
- PAM-T43 cells maintain essential macrophage functions, including CD163 expression and phagocytic activity.
- The PAM-T43 cell line shows high sensitivity to PRRSV, efficiently supporting viral replication.
- Proliferation kinetics of PAM-T43 cells are comparable to the gold standard MA-104 cell line.
Takeaway
Scientists created a new type of pig cell that can grow and help study a virus that makes pigs sick. This new cell can help make better vaccines.
Methodology
Primary porcine alveolar macrophages were transduced with a retrovirus vector expressing SV40T and cultured in porcine serum to establish the immortalized PAM-T43 cell line.
Limitations
The study primarily focused on type-2 PRRSV strains, limiting the applicability of findings to type-1 strains.
Digital Object Identifier (DOI)
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