Ceroid lipofuscinosis neuronal type 2 (CLN2), also known as tripeptidyl peptidase 1 (TPP1) deficiency, is a rare, genetic, and fatal disorder that affects the nervous system. Children with CLN2 disease experience progressive deterioration of motor skills, speech, vision, and cognitive abilities due to the accumulation of lipopigments in the body’s tissues. These lipopigments, primarily ceroid […]











