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  1. Article ; Online: Ultrasound-mediated gene delivery specifically targets liver sinusoidal endothelial cells for sustained FVIII expression in hemophilia A mice.

    Lawton, Savannah M / Manson, Megan A / Fan, Meng-Ni / Chao, Ting-Yen / Chen, Chun-Yu / Kim, Peter / Campbell, Carley / Cai, Xiaohe / Vander Kooi, Amber / Miao, Carol H

    Molecular therapy : the journal of the American Society of Gene Therapy

    2024  Volume 32, Issue 4, Page(s) 969–981

    Abstract: The ability to target the native production site of factor VIII (FVIII)-liver sinusoidal endothelial cells (LSECs)-can improve the outcome of hemophilia A (HA) gene therapy. By testing a matrix of ultrasound-mediated gene delivery (UMGD) parameters for ... ...

    Abstract The ability to target the native production site of factor VIII (FVIII)-liver sinusoidal endothelial cells (LSECs)-can improve the outcome of hemophilia A (HA) gene therapy. By testing a matrix of ultrasound-mediated gene delivery (UMGD) parameters for delivering a GFP plasmid into the livers of HA mice, we were able to define specific conditions for targeted gene delivery to different cell types in the liver. Subsequently, two conditions were selected for experiments to treat HA mice via UMGD of an endothelial-specific human FVIII plasmid: low energy (LE; 50 W/cm
    MeSH term(s) Humans ; Factor VIII/metabolism ; Hemophilia A/genetics ; Hemophilia A/therapy ; Hemophilia A/pathology ; Endothelial Cells/metabolism ; Hepatocytes/metabolism ; Liver/metabolism ; Genetic Therapy/methods
    Chemical Substances Factor VIII (9001-27-8)
    Language English
    Publishing date 2024-02-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2010592-7
    ISSN 1525-0024 ; 1525-0016
    ISSN (online) 1525-0024
    ISSN 1525-0016
    DOI 10.1016/j.ymthe.2024.02.010
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Transcutaneous ultrasound-mediated gene delivery into canine livers achieves therapeutic levels of factor VIII expression.

    Manson, Megan A / Zhang, Feng / Novokhodko, Alexander / Chen, Chun-Yu / Parker, Maura / Loeb, Keith R / Kajimoto, Masaki / Campbell, Carley / Storb, Rainer F / Miao, Carol H

    Blood advances

    2022  Volume 6, Issue 12, Page(s) 3557–3568

    Abstract: A safe, effective, and inclusive gene therapy will significantly benefit a large population of patients with hemophilia. We used a minimally invasive transcutaneous ultrasound-mediated gene delivery (UMGD) strategy combined with microbubbles (MBs) to ... ...

    Abstract A safe, effective, and inclusive gene therapy will significantly benefit a large population of patients with hemophilia. We used a minimally invasive transcutaneous ultrasound-mediated gene delivery (UMGD) strategy combined with microbubbles (MBs) to enhance gene transfer into 4 canine livers. A mixture of high-expressing, liver-specific human factor VIII (hFVIII) plasmid and MBs was injected into the hepatic vein via balloon catheter under fluoroscopy guidance with simultaneous transcutaneous UMGD treatment targeting a specific liver lobe. Therapeutic levels of hFVIII expression were achieved in all 4 dogs, and hFVIII levels were maintained at a detectable level in 3 dogs throughout the 60-day experimental period. Plasmid copy numbers correlated with hFVIII antigen levels, and plasmid-derived messenger RNA (mRNA) was detected in treated livers. Liver transaminase levels and histology analysis indicated minimal liver damage and a rapid recovery after treatment. These results indicate that liver-targeted transcutaneous UMGD is promising as a clinically feasible therapy for hemophilia A and other diseases.
    MeSH term(s) Animals ; Dogs ; Factor VIII/genetics ; Factor VIII/therapeutic use ; Gene Transfer Techniques ; Genetic Therapy/methods ; Hemophilia A/genetics ; Hemophilia A/therapy ; Hemophilia A/veterinary ; Hemostatics ; Humans ; Liver/metabolism
    Chemical Substances Hemostatics ; Factor VIII (9001-27-8)
    Language English
    Publishing date 2022-04-15
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 2915908-8
    ISSN 2473-9537 ; 2473-9529
    ISSN (online) 2473-9537
    ISSN 2473-9529
    DOI 10.1182/bloodadvances.2021006016
    Database MEDical Literature Analysis and Retrieval System OnLINE

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