Chemokines are secreted by monocytes following OK-432 (lyophilized Streptococcus pyogenes) stimulation
2009

Chemokines Secreted by Monocytes After OK-432 Stimulation

Sample size: 27 publication 10 minutes Evidence: moderate

Author Information

Author(s): Olsnes Carla, Stavang Helen, Brokstad Karl, Olofsson Jan, Aarstad Hans J

Primary Institution: University of Bergen

Hypothesis

How do mononuclear phagocytes respond to OK-432 stimulation in terms of chemokine secretion?

Conclusion

OK-432 stimulates monocytes to produce MCP-1 and MIP-1α/β, with CD36 modulating the response.

Supporting Evidence

  • OK-432 stimulated MNPs to secrete MCP-1 and MIP-1α/β in healthy individuals and HNSCC patients.
  • Chemokine secretion was significantly reduced under low-attachment conditions.
  • CD36 and CD18 may mediate the chemokine response to OK-432.

Takeaway

When certain immune cells are exposed to a substance called OK-432, they release special signals that help fight infections and cancer.

Methodology

The study involved in vitro stimulation of monocytes with OK-432 and measurement of chemokine secretion using ELISA and Multiplex assays.

Limitations

The study primarily focused on in vitro conditions, which may not fully replicate in vivo responses.

Participant Demographics

The study included healthy individuals and patients with head and neck squamous cell carcinoma.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2172-10-6

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