The study found ALS2 variants in one patient but not in affected first cousins from the same family, indicating multiple genetic causes within one pedigree. This challenges assumptions about single-gene inheritance patterns and complicates genetic counseling approaches. Gap type: unexplained_observation Source paper: Molecular characterization of recessively inherited ataxic and neuropathic disorders in consanguineous Pakistani families. (2026, Scientific reports, PMID:41606223)
Landscape Summary: What explains genetic heterogeneity within single families affected by recessive ataxia/neuropathy? is a 0.75 priority gap in neurodegeneration. It has 0 linked hypotheses with average composite score 0.000. Status: open.
Colonna, Sevlever, et al. (TREM2 biology)
What explains genetic heterogeneity within single families affected by recessive ataxia/neuropathy? — INVOKE-2 (completed)
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