J 2021

Healing and Angiogenic Properties of Collagen/Chitosan Scaffolds Enriched with Hyperstable FGF2-STAB(R) Protein: In Vitro, Ex Ovo and In Vivo Comprehensive Evaluation

VOJTOVA, Lucy; Veronika PAVLINAKOVA; Johana MUCHOVA; Katarina KACVINSKA; Jana BRTNIKOVA et. al.

Základní údaje

Originální název

Healing and Angiogenic Properties of Collagen/Chitosan Scaffolds Enriched with Hyperstable FGF2-STAB(R) Protein: In Vitro, Ex Ovo and In Vivo Comprehensive Evaluation

Autoři

VOJTOVA, Lucy (203 Česká republika); Veronika PAVLINAKOVA (203 Česká republika, garant); Johana MUCHOVA (203 Česká republika); Katarina KACVINSKA; Jana BRTNIKOVA (203 Česká republika); Martin KNOZ (203 Česká republika, domácí); Břetislav LIPOVÝ (203 Česká republika, domácí); Martin FALDYNA (203 Česká republika); Eduard GOPFERT (203 Česká republika); Jakub HOLOUBEK (203 Česká republika, domácí); Zdeněk PAVLOVSKÝ (203 Česká republika, domácí); Monika VICENOVA (203 Česká republika); Veronika HEFKA BLAHNOVA (203 Česká republika); Vanessa HEARNDEN a Eva FILOVA (203 Česká republika)

Vydání

BIOMEDICINES, BASEL, MDPI, 2021, 2227-9059

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10608 Biochemistry and molecular biology

Stát vydavatele

Švýcarsko

Utajení

není předmětem státního či obchodního tajemství

Odkazy

Impakt faktor

Impact factor: 4.757

Kód RIV

RIV/00216224:14110/21:00121944

Organizační jednotka

Lékařská fakulta

UT WoS

000665273200001

EID Scopus

2-s2.0-85107137204

Klíčová slova anglicky

collagen; chitosan; scaffold; FGF2; skin regeneration; tissue engineering

Štítky

Příznaky

Mezinárodní význam, Recenzováno
Změněno: 19. 7. 2021 09:37, Mgr. Tereza Miškechová

Anotace

V originále

Wound healing is a process regulated by a complex interaction of multiple growth factors including fibroblast growth factor 2 (FGF2). Although FGF2 appears in several tissue engineered studies, its applications are limited due to its low stability both in vitro and in vivo. Here, this shortcoming is overcome by a unique nine-point mutant of the low molecular weight isoform FGF2 retaining full biological activity even after twenty days at 37 degrees C. Crosslinked freeze-dried 3D porous collagen/chitosan scaffolds enriched with this hyper stable recombinant human protein named FGF2-STAB(R) were tested for in vitro biocompatibility and cytotoxicity using murine 3T3-A31 fibroblasts, for angiogenic potential using an ex ovo chick chorioallantoic membrane assay and for wound healing in vivo with 3-month old white New Zealand rabbits. Metabolic activity assays indicated the positive effect of FGF2-STAB(R) already at very low concentrations (0.01 mu g/mL). The angiogenic properties examined ex ovo showed enhanced vascularization of the tested scaffolds. Histological evaluation and gene expression analysis by RT-qPCR proved newly formed granulation tissue at the place of a previous skin defect without significant inflammation infiltration in vivo. This work highlights the safety and biocompatibility of newly developed crosslinked collagen/chitosan scaffolds involving FGF2-STAB(R) protein. Moreover, these sponges could be used as scaffolds for growing cells for dermis replacement, where neovascularization is a crucial parameter for successful skin regeneration.