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Am J Surg. 2010 Jun;199(6):823-32. doi: 10.1016/j.amjsurg.2009.05.040.

Intracellular delivery of adenosine triphosphate enhanced healing process in full-thickness skin wounds in diabetic rabbits.

Author information

  • 1Department of Surgery, School of Medicine, University of Louisville, Louisville, KY, USA. j0wang19@louisville.edu

Abstract

BACKGROUND:

Small unilamellar lipid vesicles were used to encapsulate adenosine triphosphate (ATP-vesicles) for intracellular energy delivery and were tested for diabetic skin wounds in rabbits.

METHODS:

Diabetes was induced by alloxan. The mean peak blood glucose concentration was 505 mg/dL. One ear was made ischemic and 80 full-thickness wounds were created in 10 animals. ATP-vesicles or saline was used and healing was compared.

RESULTS:

On the non-ischemic ears, mean closure time for ATP-vesicles-treated wounds was 13.7 days versus 16.4 days for saline-treated wounds (P < .05). On the ischemic ears, mean closure time for ATP-vesicles-treated wounds was 15.3 days versus 19.3 days for saline-treated wounds (P < .01). Histological study indicated better healing and re-epithelialization in the ATP-vesicles-treated wounds.

CONCLUSIONS:

Intracellular delivery of ATP accelerated the healing process of diabetic skin wounds on ischemic and non-ischemic rabbit ears. The mechanisms deserve further study but may be related to improved cellular energy supplies.

Copyright 2010 Elsevier Inc. All rights reserved.

PMID:
20609726
[PubMed - indexed for MEDLINE]
PMCID:
PMC2901881
Free PMC Article
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