PMC9471087_01
Timeline and family pedigree. (A) Timeline of disease and diagnosis course. (B) The parents were healthy with an unremarkable family history, but the proband presented with symptoms of CLN2.
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PMC9471087_01_fgene-13-937485-g001.jpg
F1
His sight and ability to stand and vocalize were lost at a later stage, and he ultimately died at the age of 8 (Figure 1A). The pedigree of the family is shown in Figure 1B.