Document Detail

Oral administration of skin gelatin isolated from Chum salmon (Oncorhynchus keta) enhances wound healing in diabetic rats.
MedLine Citation:
PMID:  21673883     Owner:  NLM     Status:  MEDLINE    
Care for diabetic wounds remains a significant clinical problem. The present study was aimed at investigating the effect of skin gelatin from Chum Salmon on defective wound repair in the skin of diabetic rats. Full-thickness excisional skin wounds were made in 48 rats, of which 32 were diabetes. The diabetic rats were orally treated daily for 14 days with skin gelatin from Chum Salmon (2 g/kg) or its vehicle. Sixteen non-diabetic control rats received the same amount of water as vehicle-treated non-diabetic rats. Rats were killed to assess the rate of wound closure, microvessel density (MVD), vascular endothelial growth factor (VEGF), hydroxyproline (HP) contents in wound tissues and nitrate in plasma and wound tissue at 7 and 14 days after wounding. Skin gelatin-treated diabetic rats showed a better wound closure, increased MVD, VEGF, hydroxyproline and NO contents and a reduced extent of inflammatory response. All parameters were significant (P < 0.05) in comparison to vehicle-treated diabetic group. In light of our finding that skin gelatin of Chum Salmon promotes skin wound repair in diabetic rats, we propose that oral administration of Chum Salmon skin gelatin might be a beneficial method for treating wound disorders associated with diabetes.
Zhaofeng Zhang; Ming Zhao; Junbo Wang; Ye Ding; Xiaoqian Dai; Yong Li
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2011-04-26
Journal Detail:
Title:  Marine drugs     Volume:  9     ISSN:  1660-3397     ISO Abbreviation:  Mar Drugs     Publication Date:  2011  
Date Detail:
Created Date:  2011-06-15     Completed Date:  2011-11-07     Revised Date:  2013-06-28    
Medline Journal Info:
Nlm Unique ID:  101213729     Medline TA:  Mar Drugs     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  696-711     Citation Subset:  IM    
Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China.
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MeSH Terms
Administration, Oral
Collagen / metabolism
Diabetes Mellitus, Experimental / pathology,  physiopathology*
Gelatin / administration & dosage,  therapeutic use*
Nitrites / analysis
Oncorhynchus keta*
Peroxidase / metabolism
Rats, Sprague-Dawley
Skin / chemistry*,  pathology
Vascular Endothelial Growth Factor A / analysis
Wound Healing / drug effects*
Reg. No./Substance:
0/Nitrites; 0/Vascular Endothelial Growth Factor A; 18883-66-4/Streptozocin; 9000-70-8/Gelatin; 9007-34-5/Collagen; EC

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