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