Article (Scientific journals)
Leukocyte- and platelet-rich fibrin as graft material improves microRNA-21 expression and decreases oxidative stress in the calvarial defects of diabetic rabbits
BACEVIC, Miljana; BRKOVIC, Bozidar; LAMBERT, France et al.
2019In Archives of Oral Biology, 102, p. 231-237
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Keywords :
microRNA-21; L-PRF; Diabetes; Oxidative stress; Bone healing; MMP-9
Abstract :
[en] Objective: Leukocyte- and platelet-rich fibrin (L-PRF) represents a natural, low-cost product which may promote tissue healing by mechanisms not fully elucidated. Diabetes mellitus (DM) disrupts bone healing by inducing inflammation and oxidative stress (OS), mechanisms regulated by microRNAs (miRs). The aim of the present study was to investigate the microRNA-21 (miR-21) involvement in diabetic bone regeneration using L-PRF alone or in combination with a standard grafting material. Design: After the induction of diabetes (alloxan 100 mg/kg), four cranial osteotomies were made in diabetic (n=12) and non-diabetic (n=12) rabbits: one was left empty and the remaining three were grafted with LPRF, bovine hydroxyapatite (Bio-Oss®) and L-PRF+Bio-Oss®. Two and eight weeks postoperatively, the samples were harvested for miR-21 expression (Real-time RT-PCR) and enzyme-linked immunosorbent assay analyses. Results: Diabetic rabbits showed decreased miR-21 and matrix metalloproteinase-9 (MMP-9) protein expression while increased malondialdehyde (MDA) levels two weeks postoperatively; however, there were no significant differences in miR-21 and MMP-9 levels between diabetic and non-diabetic rabbits in samples taken eight weeks postoperatively. Application of L-PRF and L-PRF+Bio-Oss® improved miR-21 and MMP-9 and decreased MDA levels while Bio-Oss® alone enhanced superoxide dismutase (SOD) activity levels in diabetic rabbits. Conclusion: L-PRF alone or in combination with bovine hydroxyapatite as bone graft could be beneficial in DM since it seems to improve inflammation-modulatory miR-21 expression and decreases oxidative stress.
Research center :
d‐BRU - Dental Biomaterials Research Unit - ULiège [BE]
Disciplines :
Dentistry & oral medicine
Author, co-author :
BACEVIC, Miljana ;  Centre Hospitalier Universitaire de Liège - CHU > Département de dentisterie > Service de médecine dentaire
BRKOVIC, Bozidar;  Department of Oral Surgery, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
LAMBERT, France ;  Centre Hospitalier Universitaire de Liège - CHU > Département de dentisterie > Service de médecine dentaire
DJUKIC, Ljiljana;  Department of Pharmacology in Dentistry, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
PETROVIC, Nina;  Department of Radiobiology and Molecular Genetics, Institute of Nuclear Sciences Vinča, University of Belgrade, Belgrade, Serbia
ROGANOVIC, Jelena;  Department of Pharmacology in Dentistry, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
Language :
English
Title :
Leukocyte- and platelet-rich fibrin as graft material improves microRNA-21 expression and decreases oxidative stress in the calvarial defects of diabetic rabbits
Publication date :
2019
Journal title :
Archives of Oral Biology
ISSN :
0003-9969
Publisher :
Elsevier, United Kingdom
Volume :
102
Pages :
231-237
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 21 May 2019

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