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It is presently not useful as a diagnostic test because there is evidence that there can be mutations in the fibrillin gene that do not produce Marfan.

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13y ago
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Q: Why is it not possible to use the FBNI gene to diagnose Marfan syndrome?
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Related questions

What gene is being researched for its possible connection to Marfan syndrome?

Researchers in molecular biology are currently investigating the FBNI gene.


Why is rapid genetic diagnosis impossible in cases of Marfan syndrome?

Mutations of the fibrillin gene (FBNI) are unique to each family affected by Marfan, which makes rapid genetic diagnosis impossible, given present technology.