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Immunophenotyping of a Stromal Vascular Fraction from Microfragmented Lipoaspirate Used in Osteoarthritis Cartilage Treatment and Its Lipoaspirate Counterpart (CROSBI ID 267655)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Polančec, Denis ; Zenić, Lucija ; Hudetz, Damir ; Borić, Igor ; Jeleč, Željko ; Rod, Eduard ; Vrdoljak, Trpimir ; Skelin, Andrea ; Plečko, Mihovil ; Turkalj, Mirjana et al. Immunophenotyping of a Stromal Vascular Fraction from Microfragmented Lipoaspirate Used in Osteoarthritis Cartilage Treatment and Its Lipoaspirate Counterpart // Genes, 10 (2019), 6; 474, 11. doi: 10.3390/genes10060474

Podaci o odgovornosti

Polančec, Denis ; Zenić, Lucija ; Hudetz, Damir ; Borić, Igor ; Jeleč, Željko ; Rod, Eduard ; Vrdoljak, Trpimir ; Skelin, Andrea ; Plečko, Mihovil ; Turkalj, Mirjana ; Nogalo, Boro ; Primorac, Dragan

engleski

Immunophenotyping of a Stromal Vascular Fraction from Microfragmented Lipoaspirate Used in Osteoarthritis Cartilage Treatment and Its Lipoaspirate Counterpart

Osteoarthritis (OA) is a degenerative joint disease accompanied by pain and loss of function. Adipose tissue harbors mesenchymal stem/stromal cells (MSC), or medicinal signaling cells as suggested by Caplan (Caplan, 2017), used in autologous transplantation in many clinical settings. The aim of the study was to characterize a stromal vascular fraction from microfragmented lipoaspirate (SVF-MLA) applied for cartilage treatment in OA and compare it to that of autologous lipoaspirate (SVF-LA). Samples were first stained using a DuraClone SC prototype tube for the surface detection of CD31, CD34, CD45, CD73, CD90, CD105, CD146 and LIVE/DEAD Yellow Fixable Stain for dead cell detection, followed by DRAQ7 cell nuclear dye staining, and analyzed by flow cytometry. In SVF- LA and SVF-MLA samples, the following population phenotypes were identified within the CD45– fraction: CD31+CD34+CD73±CD90±CD105±CD146± endothelial progenitors (EP), CD31+CD34– CD73±CD90±CD105– CD146± mature endothelial cells, CD31–CD34– CD73±CD90+CD105–CD146+ pericytes, CD31– CD34+CD73±CD90+CD105–CD146+ transitional pericytes, and CD31–CD34+CD73highCD90+CD105– CD146– supra-adventitial-adipose stromalcells(SA- ASC). Theimmunophenotyping profile ofSVF-MLAwas dominatedby areduction of leukocytes and SA-ASC, and an increase in EP, evidencing a marked enrichment of this cell population in the course of adipose tissue microfragmentation. The role of EP in pericyte- primed MSC-mediated tissue healing, as well as the observed hormonal implication, is yet to be investigated.

lipoaspirate ; microfragmentedlipoaspirate ; immunophenotyping ; endothelialprogenitors ; pericytes ; supra-adventitialadiposestromalcells

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Podaci o izdanju

10 (6)

2019.

474

11

objavljeno

2073-4425

10.3390/genes10060474

Povezanost rada

Kliničke medicinske znanosti, Temeljne medicinske znanosti

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