INI1 mutations in meningiomas at a potential hotspot in exon 9
2001
INI1 mutations in meningiomas
Sample size: 126
publication
Evidence: moderate
Author Information
Author(s): Schmitz U, Mueller W, Weber M, Sévenet N, Delattre O, Deimling A von
Primary Institution: Department of Neuropathology, Charité, Humboldt University, Berlin
Hypothesis
Are there mutations in the INI1 gene in meningiomas?
Conclusion
The study found that INI1 mutations are present in a fraction of meningiomas, indicating its role as a tumor suppressor gene.
Supporting Evidence
- Four identical somatic mutations in exon 9 of the INI1 gene were detected.
- These mutations resulted in an exchange of Arg to His in position 377 of INI1.
- The observations were reproduced using DNA from a new round of extraction.
- Four novel polymorphisms of INI1 were also characterized.
Takeaway
Some brain tumors called meningiomas have changes in a gene called INI1, which might help us understand how these tumors form.
Methodology
The study examined 126 meningiomas for alterations in the INI1 gene and identified specific mutations.
Digital Object Identifier (DOI)
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