. . . . . . . . . . . . "[If a threshold level of spastin were critical for axonal preservation, such threshold dosage effects might explain the variable expressivity and incomplete penetrance of SPG4-linked AD-HSP.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . . "Gene-disease associations manually curated."@en . "DisGeNET evidence - CURATED"@en . "2016-01-25"^^ . "2016-05-13T12:41:50+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .