Targetting of the gene encoding fibrillin-1 recapitulates the vascular aspect of marfan syndrome

Lygia Pereira, Konstantinos Andrikopoulos, Jenny Tian, Sui Ying Lee, Douglas R. Keene, Robert Ono, Dieter R. Reinhardt, Lynn Sakai, Nancy Jensen Biery, Tracie Bunton, Harry C. Dietz, Francesco Ramirez

Research output: Contribution to journalLetter

279 Citations (Scopus)

Abstract

Aortic aneurysm and dissection account for about 2% of all deaths in industrialized countries; they are also components of several genetic diseases, including Marfan syndrome (MFS)1. The vascular phenotype of MFS results from mutations in fibrillin-1 (FBN1), the major constituent of extracellular microfibrils2, 3Microfibrils, either associated with or devoid of elastin, give rise to a variety of extracellular networks in elastic and non-elastic tissues3. It is believed that microfibrils regulate elastic fibre formation by guiding tropo-elastin deposition during embryogenesis and early post-natal life4Hence, vascular disease in MFS is thought to result when FBN1 mutations preclude elastic fibre maturation by disrupting microfibrillar assembly. Here we report a gene-targetting experiment in mice that indicates that fibrillin-1 microfibrils are predominantly engaged in tissue homeostasis rather than elastic matrix assembly. This finding, in turn, suggests that aortic dilation is due primarily to the failure by the microfibrillar array of the adventitia to sustain physiological haemodynamic stress, and that disruption of the elastic network of the media is a secondary event.

Original languageEnglish (US)
Pages (from-to)218
Number of pages1
JournalNature genetics
Volume17
Issue number2
DOIs
StatePublished - Jan 1 1997
Externally publishedYes

Fingerprint

Marfan Syndrome
Gene Targeting
Microfibrils
Blood Vessels
Elastic Tissue
Elastin
Adventitia
Mutation
Inborn Genetic Diseases
Aortic Aneurysm
Vascular Diseases
Developed Countries
Embryonic Development
Dissection
Dilatation
Homeostasis
Hemodynamics
Phenotype
Fibrillin-1

ASJC Scopus subject areas

  • Genetics

Cite this

Pereira, L., Andrikopoulos, K., Tian, J., Lee, S. Y., Keene, D. R., Ono, R., ... Ramirez, F. (1997). Targetting of the gene encoding fibrillin-1 recapitulates the vascular aspect of marfan syndrome. Nature genetics, 17(2), 218. https://doi.org/10.1038/ng1097-218

Targetting of the gene encoding fibrillin-1 recapitulates the vascular aspect of marfan syndrome. / Pereira, Lygia; Andrikopoulos, Konstantinos; Tian, Jenny; Lee, Sui Ying; Keene, Douglas R.; Ono, Robert; Reinhardt, Dieter R.; Sakai, Lynn; Biery, Nancy Jensen; Bunton, Tracie; Dietz, Harry C.; Ramirez, Francesco.

In: Nature genetics, Vol. 17, No. 2, 01.01.1997, p. 218.

Research output: Contribution to journalLetter

Pereira, L, Andrikopoulos, K, Tian, J, Lee, SY, Keene, DR, Ono, R, Reinhardt, DR, Sakai, L, Biery, NJ, Bunton, T, Dietz, HC & Ramirez, F 1997, 'Targetting of the gene encoding fibrillin-1 recapitulates the vascular aspect of marfan syndrome', Nature genetics, vol. 17, no. 2, pp. 218. https://doi.org/10.1038/ng1097-218
Pereira, Lygia ; Andrikopoulos, Konstantinos ; Tian, Jenny ; Lee, Sui Ying ; Keene, Douglas R. ; Ono, Robert ; Reinhardt, Dieter R. ; Sakai, Lynn ; Biery, Nancy Jensen ; Bunton, Tracie ; Dietz, Harry C. ; Ramirez, Francesco. / Targetting of the gene encoding fibrillin-1 recapitulates the vascular aspect of marfan syndrome. In: Nature genetics. 1997 ; Vol. 17, No. 2. pp. 218.
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