By positional cloning , we have identified the gene strongly associated with a form of degenerative ataxia ( chromosome 16q22.1-linked ADCA ) that clinically shows progressive pure cerebellar ataxia .
O O O O O O O O O O O O O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O O O B-DiseaseOrPhenotypicFeature O O O O O O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O