Ectopic osteogenesis using adenoviral bone morphogenetic protein (BMP)-4 and BMP-6 gene transfer

John A. Jane, Bradley A. Dunford, Adam Kron, Debra D. Pittman, Tsutomu Sasaki, Jin Zhong Li, Hongwei Li, Tord D. Alden, Hayan Dayoub, Gerald R. Hankins, David F Kallmes, Gregory A. Helm

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

Bone morphogenetic proteins (BMPs) delivered on scaffolds can induce ectopic bone formation after subcutaneous injection. Adenoviral vectors (Ad) carrying BMP2, BMP7, and BMP9 cDNAs have been shown to produce bone through endochondral ossification. The present study was performed to elucidate the histological events leading to ectopic ossification for two novel first-generation adenoviral constructs encoding BMPs, AdBMP4 and AdBMP6. In vitro, the viral constructs produced and secreted the mature BMP4 and BMP6 proteins. In vivo, the calf muscles of athymic nude rats were injected with AdBMP4, AdBMP6, AdBMP2, or AdlacZ. Rats were sacrificed 3, 6, 9, 16, 21, 60, and 90 days postinjection. Whereas AdBMP4 produced ectopic bone through mechanisms similar to endochondral ossification, AdBMP6 seemed to induce bone by way of mechanisms similar to both intramembranous and endochondral ossification pathways. At the relatively low vector dose used in this study, AdBMP2 caused an initial recruitment of primitive mesenchymal cells, without further development to bone. From computed tomographic analysis, AdBMP6 produced the most rapid tissue calcification. The ultimate density of ectopic bone formed by AdBMP4 and AdBMP6 was comparable. The current study demonstrates that AdBMP4 and AdBMP6 are more potent than the prototypical osteogenic adenoviral vector AdBMP2 and seem to induce ectopic bone by different mechanisms.

Original languageEnglish (US)
Pages (from-to)464-470
Number of pages7
JournalMolecular Therapy
Volume6
Issue number4
DOIs
StatePublished - Oct 1 2002
Externally publishedYes

Fingerprint

Bone Morphogenetic Protein 6
Bone Morphogenetic Protein 4
Osteogenesis
Nude Rats
Bone and Bones
Bone Morphogenetic Proteins
Genes
Heterotopic Ossification
Bone Development
Subcutaneous Injections
Bone Density
Complementary DNA
Muscles
Proteins

Keywords

  • Adenovirus
  • Bone morphogenetic proteins
  • Gene therapy
  • Genetic vectors

ASJC Scopus subject areas

  • Molecular Biology

Cite this

Jane, J. A., Dunford, B. A., Kron, A., Pittman, D. D., Sasaki, T., Li, J. Z., ... Helm, G. A. (2002). Ectopic osteogenesis using adenoviral bone morphogenetic protein (BMP)-4 and BMP-6 gene transfer. Molecular Therapy, 6(4), 464-470. https://doi.org/10.1006/mthe.2002.0691

Ectopic osteogenesis using adenoviral bone morphogenetic protein (BMP)-4 and BMP-6 gene transfer. / Jane, John A.; Dunford, Bradley A.; Kron, Adam; Pittman, Debra D.; Sasaki, Tsutomu; Li, Jin Zhong; Li, Hongwei; Alden, Tord D.; Dayoub, Hayan; Hankins, Gerald R.; Kallmes, David F; Helm, Gregory A.

In: Molecular Therapy, Vol. 6, No. 4, 01.10.2002, p. 464-470.

Research output: Contribution to journalArticle

Jane, JA, Dunford, BA, Kron, A, Pittman, DD, Sasaki, T, Li, JZ, Li, H, Alden, TD, Dayoub, H, Hankins, GR, Kallmes, DF & Helm, GA 2002, 'Ectopic osteogenesis using adenoviral bone morphogenetic protein (BMP)-4 and BMP-6 gene transfer', Molecular Therapy, vol. 6, no. 4, pp. 464-470. https://doi.org/10.1006/mthe.2002.0691
Jane, John A. ; Dunford, Bradley A. ; Kron, Adam ; Pittman, Debra D. ; Sasaki, Tsutomu ; Li, Jin Zhong ; Li, Hongwei ; Alden, Tord D. ; Dayoub, Hayan ; Hankins, Gerald R. ; Kallmes, David F ; Helm, Gregory A. / Ectopic osteogenesis using adenoviral bone morphogenetic protein (BMP)-4 and BMP-6 gene transfer. In: Molecular Therapy. 2002 ; Vol. 6, No. 4. pp. 464-470.
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