Rescue of Coronal Suture Fusion Using Transforming Growth Factor-Beta 3 (Tgf-β3) in Rabbits with Delayed-Onset Craniosynostosis

Sherri Lyn Chong, Ronal Mitchell, Amr Moursi, Phillip Winnard, H. Wolfgang Losken, James Bradley, Omer R. Ozerdem, Kodi Azari, Oguz Acarturk, Lynne A. Opperman, Michael I. Siegel, Mark P. Mooney

Research output: Contribution to journalArticle

Abstract

Craniosynostosis results in cranial deformities and increased intracranial pressure, which pose extensive and recurrent surgical management problems. Developmental studies in rodents have shown that low levels of transforming growth factor-β3 (Tgf-β3) are associated with normal fusion of the interfrontal (IF) suture, and that Tgf-β3 prevents IF suture fusion in a dose-dependent fashion. The present study was designed to test the hypothesis that Tgf-β3 can also prevent or "rescue" fusing sutures in a rabbit model with familial craniosynostosis. One hundred coronal sutures from 50 rabbits with delayed-onset, coronal suture synostosis were examined in the present study. The rabbits were divided into five groups of 10 rabbits each: 1) sham controls, 2) bovine serum albumin (BSA, 500 ng) low-dose protein controls, 3) low-dose Tgf-β3 (500 ng), 4) high-dose BSA (1,000 ng) controls, and 5) high-dose Tgf-β3 (1,000 ng). At 10 days of age, radiopaque amalgam markers were implanted in all of the rabbits on either side of the coronal suture to monitor sutural growth. At 25 days of age, the BSA or Tgf-β3 was combined with a slow-absorbing collagen vehicle and injected subperiosteally above the coronal suture. Radiographic results revealed that high-dose Tgf-β3 rabbits had significantly greater (P < 0.05) coronal suture marker separation than the other groups. Histomorphometric analysis revealed that high-dose Tgf-β3 rabbits also had patent coronal sutures and significantly (P < 0.01) greater sutural widths and areas than the other groups. The results suggest that there is a dose-dependent effect of TGF-β3 on suture morphology and area in these rabbits, and that the manipulation of such growth factors may have clinical applications in the treatment of craniosynostosis.

Original languageEnglish (US)
Pages (from-to)962-971
Number of pages10
JournalAnatomical Record - Part A Discoveries in Molecular, Cellular, and Evolutionary Biology
Volume274
Issue number2
StatePublished - Oct 2003

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transforming growth factor beta 3
Craniosynostoses
sutures
Transforming Growth Factor beta
Sutures
rabbits
Rabbits
dosage
Synostosis
transforming growth factors
dose
collagen
Intracranial Pressure
Transforming Growth Factors
patents
bovine serum albumin
Bovine Serum Albumin
growth factors
rodent
serum

Keywords

  • Coronal suture
  • Craniosynostosis
  • Cytokine therapy
  • Rabbit
  • Tgf-β3

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Anatomy

Cite this

Rescue of Coronal Suture Fusion Using Transforming Growth Factor-Beta 3 (Tgf-β3) in Rabbits with Delayed-Onset Craniosynostosis. / Chong, Sherri Lyn; Mitchell, Ronal; Moursi, Amr; Winnard, Phillip; Losken, H. Wolfgang; Bradley, James; Ozerdem, Omer R.; Azari, Kodi; Acarturk, Oguz; Opperman, Lynne A.; Siegel, Michael I.; Mooney, Mark P.

In: Anatomical Record - Part A Discoveries in Molecular, Cellular, and Evolutionary Biology, Vol. 274, No. 2, 10.2003, p. 962-971.

Research output: Contribution to journalArticle

Chong, SL, Mitchell, R, Moursi, A, Winnard, P, Losken, HW, Bradley, J, Ozerdem, OR, Azari, K, Acarturk, O, Opperman, LA, Siegel, MI & Mooney, MP 2003, 'Rescue of Coronal Suture Fusion Using Transforming Growth Factor-Beta 3 (Tgf-β3) in Rabbits with Delayed-Onset Craniosynostosis', Anatomical Record - Part A Discoveries in Molecular, Cellular, and Evolutionary Biology, vol. 274, no. 2, pp. 962-971.
Chong, Sherri Lyn ; Mitchell, Ronal ; Moursi, Amr ; Winnard, Phillip ; Losken, H. Wolfgang ; Bradley, James ; Ozerdem, Omer R. ; Azari, Kodi ; Acarturk, Oguz ; Opperman, Lynne A. ; Siegel, Michael I. ; Mooney, Mark P. / Rescue of Coronal Suture Fusion Using Transforming Growth Factor-Beta 3 (Tgf-β3) in Rabbits with Delayed-Onset Craniosynostosis. In: Anatomical Record - Part A Discoveries in Molecular, Cellular, and Evolutionary Biology. 2003 ; Vol. 274, No. 2. pp. 962-971.
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