Plasmin Promotes Keratinocyte Migration and Phagocytic-killing Accompanied by Suppression of Cell Proliferation which may Facilitate Re-epithelialization of Wound Beds
2004

Plasmin and Keratinocyte Migration in Wound Healing

Sample size: 250000 publication 10 minutes Evidence: moderate

Author Information

Author(s): IMRE SZABO, MIKLOS SIMON Jr, JANOS HUNYADI

Primary Institution: Department of Dermatology, Medical School of Debrecen, Debrecen, Hungary

Hypothesis

Does plasmin enhance keratinocyte migration and phagocytic-killing while suppressing cell proliferation?

Conclusion

Plasmin promotes keratinocyte migration and phagocytic activity but inhibits their proliferation, aiding in wound healing.

Supporting Evidence

  • Plasmin at 25 U/l increased keratinocyte migration by 160%.
  • Phagocytic-killing of Candida albicans was enhanced by plasmin.
  • Cell proliferation was reduced by 47% and 13% at 24 and 48 hours respectively with plasmin.

Takeaway

Plasmin helps skin cells move to heal wounds faster and fight off germs, but it also makes them grow slower.

Methodology

The study used agarose gel and microchemotaxis assays to analyze keratinocyte migration and proliferation in the presence of plasmin.

Limitations

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

Participant Demographics

Freshly isolated human epidermal keratinocytes and HaCaT cells were used.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1080/17402520400001710

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