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Related Experiment Videos

A simple method to quantify maturation of wound collagen.

C M Rao1, K V Ramesh, K L Bairy

  • 1Department of Pharmacology, Kasturba Medical College, Manipal, India.

Indian Journal of Experimental Biology
|February 1, 1991
PubMed
Summary

Non-steroidal anti-inflammatory drugs (NSAIDs) and their zinc complexes impact wound healing. NSAIDs alone impair collagen maturation and reduce wound strength, while zinc complexes do not affect collagen maturation.

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Area of Science:

  • Biomedical Science
  • Wound Healing Research
  • Pharmacology

Background:

  • Non-steroidal anti-inflammatory drugs (NSAIDs) and their zinc complexes are investigated for their effects on wound healing.
  • Both NSAIDs and Zn(II)(NSAIDs)2 complexes reduce collagen content in wounds.
  • Breaking strength (BS) of wounds is primarily determined by collagen content and maturation.

Purpose of the Study:

  • To investigate the differential effects of NSAIDs and Zn(II)(NSAIDs)2 complexes on collagen maturation and wound breaking strength.
  • To introduce a novel method for assessing collagen maturation in granulation tissues.
  • To elucidate the impact of these treatments on the 'maturation age' of granulation tissue.

Main Methods:

  • Dead space wound models were utilized to assess the effects of NSAIDs and Zn(II)(NSAIDs)2 complexes.

Related Experiment Videos

  • Collagen content and wound breaking strength were measured.
  • A new method was employed to evaluate the extent of collagen maturation.

    • Main Results:

    • Both NSAIDs and Zn(II)(NSAIDs)2 complexes comparably reduced collagen content.
    • Only NSAIDs significantly reduced wound breaking strength.
    • NSAIDs markedly reduced collagen maturation, while Zn(II)(NSAIDs)2 complexes did not affect it in 10-day-old tissues.
    • NSAID-treated tissue showed a maturation age of 6 days, while Zn(II)(NSAIDs)2 treated tissue showed 12 days, despite both being chronologically 10 days old.

    Conclusions:

    • NSAIDs impair wound healing by reducing collagen maturation and breaking strength.
    • Zn(II)(NSAIDs)2 complexes do not negatively impact collagen maturation or wound strength.
    • The findings suggest a potential therapeutic advantage of Zn(II)(NSAIDs)2 complexes over NSAIDs in wound healing contexts.