ATXN2-related disease may sometimes follow a recessive inheritance pattern
Original source
ATXN2 Spectrum Disorders: Genetic Complexity Beyond Dominant Inheritance. (opens in a new tab)Compass summarised this from the study's abstract.
Study details
- Studied in
- Human
Population inferred from the title and abstract by Compass.
A report describes an Acadian family in which ATXN2-related disease appeared to follow a recessive inheritance pattern, rather than the more commonly recognised dominant pattern. The authors discuss how repeat interruptions, changes in gene copies in different cells, and gene dosage may influence whether ATXN2 contributes to disease through loss-of-function mechanisms. They say genetic stratification may be important for classification, counselling and future treatment research.
Why this matters
These findings could affect how some families with ATXN2-related disease are assessed and counselled. They may also help researchers distinguish different biological forms of ATXN2-related disease. The report does not establish a new treatment or change current care.
Limitations and context
The report centres on one Acadian family and discusses possible mechanisms. Further studies are needed to determine how often recessive inheritance and loss-of-function mechanisms occur in ATXN2-related disease, and whether these distinctions lead to different treatments.