Intrapulmonary and intramyocardial gene transfer in rhesus monkeys (Macaca mulatta): Safety and efficiency of HIV-1-derived lentiviral vectors for fetal gene delivery

Alice F Tarantal, Ruth J McDonald, Daniel F. Jimenez, Charles C Lee, Cristin E. O'Shea, Alyssa C. Leapley, Rosa H. Won, Charles Plopper, Carolyn Lutzko, Donald B. Kohn

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

Fetal gene transfer was studied using intrapulmonary and intramyocardial transfer of SIN HIV-1-derived lentiviral vectors expressing EGFP in rhesus monkeys. Fetuses were monitored sonographically during gestation and tissue analyses performed at term or 3 months postnatal age. Animals remained healthy during the study period as evidenced by normal growth, development, hematology, clinical chemistry, echocardiography, and pulmonary function tests. Strong pulmonary fluorescence was observed postnatally after fetal intrapulmonary delivery of lenti-CMV, but not lenti-SP-C, and compared to nontransferred controls. High EGFP copy numbers were found by quantitative PCR with both vector constructs in lung lobes (≤15%) and EGFP copies were also detected in the diaphragm, pericardium, and thorax. No differences were found in lung:body weight ratios, percentage lung parenchyma, or overall morphology when compared to controls. For intramyocardial gene delivery, strong transgene expression was found within the myocardium and pericardium, and high EGFP copy numbers were found by quantitative PCR (3-36%). EGFP was also detected in the aorta, thorax, and diaphragm. These studies indicate that postnatal heart and lung development and function were not altered after fetal intraorgan gene transfer and subsequent transgene expression prenatally and postnatally, and gene transfer was restricted to the thoracic cavity with intrapulmonary and intramyocardial lentiviral vector-mediated gene delivery.

Original languageEnglish (US)
Pages (from-to)87-98
Number of pages12
JournalMolecular Therapy
Volume12
Issue number1
DOIs
StatePublished - Jul 2005

Fingerprint

Macaca mulatta
HIV-1
Safety
Lung
Genes
Pericardium
Diaphragm
Transgenes
Thorax
Thoracic Cavity
Polymerase Chain Reaction
Clinical Chemistry
Respiratory Function Tests
Hematology
Growth and Development
Echocardiography
Aorta
Myocardium
Fetus
Fluorescence

Keywords

  • EGFP
  • Fetus
  • Heart
  • HIV-1-derived lentivirus
  • Infant
  • Lung
  • Monkey

ASJC Scopus subject areas

  • Molecular Biology

Cite this

Intrapulmonary and intramyocardial gene transfer in rhesus monkeys (Macaca mulatta) : Safety and efficiency of HIV-1-derived lentiviral vectors for fetal gene delivery. / Tarantal, Alice F; McDonald, Ruth J; Jimenez, Daniel F.; Lee, Charles C; O'Shea, Cristin E.; Leapley, Alyssa C.; Won, Rosa H.; Plopper, Charles; Lutzko, Carolyn; Kohn, Donald B.

In: Molecular Therapy, Vol. 12, No. 1, 07.2005, p. 87-98.

Research output: Contribution to journalArticle

Tarantal, Alice F ; McDonald, Ruth J ; Jimenez, Daniel F. ; Lee, Charles C ; O'Shea, Cristin E. ; Leapley, Alyssa C. ; Won, Rosa H. ; Plopper, Charles ; Lutzko, Carolyn ; Kohn, Donald B. / Intrapulmonary and intramyocardial gene transfer in rhesus monkeys (Macaca mulatta) : Safety and efficiency of HIV-1-derived lentiviral vectors for fetal gene delivery. In: Molecular Therapy. 2005 ; Vol. 12, No. 1. pp. 87-98.
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