New Mutations in KIF21A Linked to Eye Movement Disorder
Author Information
Author(s): Chan Wai-Man, Andrews Caroline, Dragan Laryssa, Fredrick Douglas, Armstrong Linlea, Lyons Christopher, Geraghty Michael T, Hunter David G, Yazdani Ahmad, Traboulsi Elias I, Pott Jan WR, Gutowski Nicholas J, Ellard Sian, Young Elizabeth, Hanisch Frank, Koc Feray, Schnall Bruce, Engle Elizabeth C
Primary Institution: Children's Hospital Boston
Hypothesis
To further define the spectrum of KIF21A mutations in congenital fibrosis of the extraocular muscles (CFEOM).
Conclusion
The study identified three novel KIF21A mutations in CFEOM1 probands, confirming the importance of this gene in the disorder.
Supporting Evidence
- Three novel KIF21A mutations were identified in three CFEOM1 probands.
- Eight additional CFEOM1 probands had previously reported KIF21A mutations.
- No mutations were detected in CFEOM3 probands.
Takeaway
Some people have trouble moving their eyes because of changes in a gene called KIF21A, and this study found new changes in that gene that can cause these problems.
Methodology
The study involved sequencing KIF21A in CFEOM probands and analyzing mutations for their presence and inheritance patterns.
Limitations
The study did not identify mutations in all CFEOM1 probands, indicating genetic heterogeneity.
Participant Demographics
The study included 16 CFEOM1 probands and 29 CFEOM3 probands of varying ethnicities.
Digital Object Identifier (DOI)
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