This study aimed to assess the efficacy of hepatocyte growth factor (HGF)-transfected adipose-derived mesenchymal stem cell (ADSC) transplantation in the injured vocal folds (VFs) of canines. A lentiviral vector encoding HGF was successfully produced via Gateway cloning, which was used to infect ADSCs. Four weeks after transoral laser microsurgery (type II) with CO laser, the beagles of each group were injected with HGF-transfected ADSCs or uninfected ADSCs into VFs. The results showed that the retention of HGF-transfected ADSCs in the VFs persisted about three months post-injection. The VFs in the HGF-transfected ADSCs group exhibited a closer-to-normal structure with less collagen deposition and higher amounts of hyaluronic acid (HA) in the third month. The short microvilli in the HGF-transfected ADSCs group showed a dense and uniform distribution. These results revealed that HGF-transfected ADSC is a potential treatment option for injured VFs.
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| http://dx.doi.org/10.1080/08977194.2023.2227270 | DOI Listing |
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