title: MicroRNA-27b Enhances the Hepatic Regenerative Properties of Adipose-Derived Mesenchymal Stem Cells.
abstract: Adipose-derived mesenchymal stem cells (ASCs) are readily available multipotent mesenchymal progenitor cells and have become an attractive therapeutic tool for regenerative medicine. We herein investigated the mechanistic role of how miR-27b modulated regenerative capacities of ASCs. Intravenous administration of miR-27b-transfected ASCs (ASCs-miR-27b) was conducted after 70% partial hepatectomy (PH). After PH, rats injected with ASCs-miR-27b had decreased inflammatory cytokines and increased hepatocyte growth factor and other related growth factors. We showed that the nature of ASCs-miR-27b to inhibit hepatic stellate cell activation was dependent upon peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PGC-1α) in vitro. Moreover, expression of miR-27b in ASCs induced heme oxygenase-1 (HO-1), resulting in increased production of ATP, protective cytokines/growth factors, and genes involved in mitochondrial biogenesis in a PGC-1α-dependent manner. RNA sequencing (RNA-Seq) analysis revealed drastic transcriptional changes in livers treated with ASCs-miR-27b after PH. The differentially expressed genes classified into "regeneration," "fibrosis," and "mitochondrial biogenesis" clusters were mainly mitochondrial. The potential biological context reflecting the effects of PGC-1α by ASCs-miR-27b treatment was also observed by the subnetwork analysis with HO-1 and PGC-1α being the top-ranked regulatory genes. We demonstrate autologous ASCs-miR-27b enhances liver regeneration and, importantly, preserves hepatic function through paracrine actions which offers a viable therapeutic option to facilitate rapid recovery after liver injury.
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: Kuang-Den
authors.initials: KD
authors.lastname: Chen
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: Kuang-Tzu
authors.initials: KT
authors.lastname: Huang
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: Chih-Che
authors.initials: CC
authors.lastname: Lin
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: Wei-Teng
authors.initials: WT
authors.lastname: Weng
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: Li-Wen
authors.initials: LW
authors.lastname: Hsu
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.|Fukuoka Institution of Occupational Health, Fukuoka, Japan.
authors.forename: Shigeru
authors.initials: S
authors.lastname: Goto
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.|Graduate Institute of Clinical Medical Sciences, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: Toshiaki
authors.initials: T
authors.lastname: Nakano
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: Chia-Yun
authors.initials: CY
authors.lastname: Lai
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: Chao-Pin
authors.initials: CP
authors.lastname: Kung
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: King-Wah
authors.initials: KW
authors.lastname: Chiu
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: Chih-Chi
authors.initials: CC
authors.lastname: Wang
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.|Department of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: Yu-Fan
authors.initials: YF
authors.lastname: Cheng
authors.affiliation: Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: Yen-Ying
authors.initials: YY
authors.lastname: Ma
authors.affiliation: Institute for Translational Research in Biomedicine, Liver Transplantation Program, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
authors.forename: Chao-Long
authors.initials: CL
authors.lastname: Chen
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