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Updated: Jun 4, 2026

Biological Preparation and Mechanical Technique for Determining Viscoelastic Properties of Zonular Fibers
Published on: December 16, 2021
[Molecular biological aspects of Marfan syndromes]
Tina Zimmermann Belsing1, Allan Meldgaard Lund, Steen Zabell Abildstrøm
1Kildegårdsvej 16 B, 2. tv., Hellerup, Denmark. t.z.belsing@dadlnet.dk
Abstract:
Marfan syndrome (MFS) is a hereditary connective tissue disorder. Studies of MFS have established the critical contribution of fibrillin-1 deficiency to disease progression through altered cell-matrix interactions and dysregulated TGF-β signalling. It is now known that the disease is caused by altered regulation of TGF-β. As a result, the definition of MFS- and MFS-related diseases as the prototypical structural disorder of the connective tissue has changed to that of a developmental abnormality with broad and complex effects on the morphogenesis and tissue remodelling.
Insights
Marfan syndrome (MFS) is a genetic disorder affecting connective tissue. Research shows MFS stems from altered transforming growth factor-beta (TGF-β) regulation, impacting development and tissue remodeling.
Area of Science:
- Genetics
- Cell Biology
- Developmental Biology
Background:
- Marfan syndrome (MFS) is a hereditary connective tissue disorder.
- Fibrillin-1 deficiency is critical to MFS progression via altered cell-matrix interactions and TGF-β signaling.
- MFS is now understood to result from dysregulated TGF-β.
Purpose of the Study:
- To redefine Marfan syndrome and related diseases.
- To highlight the role of TGF-β dysregulation in MFS.
- To emphasize the impact on morphogenesis and tissue remodeling.
Main Methods:
- Review of existing studies on Marfan syndrome.
- Analysis of fibrillin-1's role in connective tissue disorders.
- Investigation of TGF-β signaling pathways in MFS.
Main Results:
- Fibrillin-1 deficiency critically impacts MFS.
- Altered TGF-β regulation is the underlying cause of MFS.
- MFS affects broad developmental processes.
Conclusions:
- Marfan syndrome is a developmental abnormality, not just a structural connective tissue disorder.
- Dysregulated TGF-β signaling is central to MFS pathogenesis.
- MFS has complex effects on morphogenesis and tissue remodeling.
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