AA-Amyloidosis Can Be Transferred by Peripheral Blood Monocytes
2008

Transfer of AA Amyloidosis

Sample size: 48 publication 10 minutes Evidence: moderate

Author Information

Author(s): Sponarova Jana, Nyström Sofia N., Westermark Gunilla T.

Primary Institution: Linköping University, Sweden

Hypothesis

Can peripheral blood monocytes transfer AA amyloidosis?

Conclusion

Peripheral blood monocytes can carry amyloid-seed that triggers AA amyloidosis in recipient mice.

Supporting Evidence

  • 19 out of 48 recipient mice developed AA amyloidosis after receiving monocytes.
  • Monocytes from amyloid-laden mice contained amyloid-seed.
  • Plasma from amyloidotic mice did not trigger AA amyloidosis.

Takeaway

Some white blood cells can carry a substance that makes people sick, and if you give those cells to another person, they can get sick too.

Methodology

Mice were injected with amyloid fibrils and inflammatory agents, and their blood monocytes were analyzed for amyloid-seed transfer.

Potential Biases

Technical issues in isolating monocytes could lead to underestimation of seeding activity.

Limitations

Variability in monocyte preparations may affect results.

Participant Demographics

Outbreed female NMRI mice, 6–8 weeks old.

Digital Object Identifier (DOI)

10.1371/journal.pone.0003308

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