Article (Scientific journals)
Biodegradable microparticles loaded with thrombin receptor agonist peptide for gastric ulcer treatment in rats
Markvicheva, E.; Stashevskaya, K.; Strukova, S. et al.
2006In Journal of Drug Delivery Science and Technology, 16 (4, JUL-AUG), p. 321-325
Peer reviewed
 

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Keywords :
controlled release; PLGA microparticles; entrapped TRAP-6; PAR-I agonist; ulcer; mucosa; tissue repair
Abstract :
[en] The aim of the current paper was to elaborate an immobilization method of thrombin receptor agonist peptide (TRAP-6) in biodegradable biocompatible poly(d,l)-lactide-co-glycolide (PLGA) inicroparticles and to demonstrate the effect of the entrapped peptide for tissue repair, namely,for a gastric ulcer treatment in rats. TRAP-6 was entrapped in polymer using w/o/w double emulsion-evaporation technique. The morphology of empty and TRAP-6 loaded microparticles was evaluated by light and scanning electron microscopy (SEM). In vitro release kinetics profile of TRAP-6 from microparticles was studied by HPLC. To investigate gastric mucosal protection effect in vivo, TRAP-6-loaded microparticles were administered in a rat stomach after a previous mucosal injury (a gastric ulcer). Microparticles with entrapped TRAP-6 were found to reduce both an inflammation and proliferation phases of wound healing, and thus accelerated tissue repair in rats.
Research Center/Unit :
CEIB - Centre Interfacultaire des Biomatériaux - ULiège
Disciplines :
Pharmacy, pharmacology & toxicology
Author, co-author :
Markvicheva, E.
Stashevskaya, K.
Strukova, S.
Prudchenko, I.
Rusanova, A.
Makarova, A.
Vasilieva, T.
Bespalova, J.
Grandfils, Christian ;  Université de Liège - ULiège > Biochimie et physiologie générale
Language :
English
Title :
Biodegradable microparticles loaded with thrombin receptor agonist peptide for gastric ulcer treatment in rats
Publication date :
2006
Journal title :
Journal of Drug Delivery Science and Technology
ISSN :
1773-2247
Publisher :
Editions Sante, Paris, France
Volume :
16
Issue :
4, JUL-AUG
Pages :
321-325
Peer reviewed :
Peer reviewed
Name of the research project :
Programme de travail Région Wallonne/Fédération de Russie 2001- 2002, Art. 3. , Projet de coopération n°3, en collaboration avec : Shemyakin Institute Bioorganic Chemistry, Moscow, Professor Vitali P. Zubov et du Dr. Elena Markvicheva
Funders :
WBI - Wallonie-Bruxelles International
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since 12 March 2013

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