Lucas Tricoli, Sunetra Sase, Julia Hacker, Vi Pham, Sidney Smith, Maxwell Chappell, Laura Breda, Stephanie Hurwitz, Naoto Tanaka, Carlo Castruccio Castracani, Amaliris Guerra, Zhongqi Hou, Lars Schlotawa, Karthikeyan Radhakrishnan, Peter Kurre, Rebecca Ahrens-Nicklas, Laura Adang, Adeline Vanderver, Stefano Rivella
Metachromatic leukodystrophy (MLD) is a fatal lysosomal storage disease (LSD) characterized by the deficient enzymatic activity of arylsulfatase A (ARSA). Combined autologous hematopoietic stem cell transplant (HSCT) with lentiviral (LV) based gene therapy has great potential to treat MLD. However, if enzyme production is inadequate, this could result in continued loss of motor function, implying a high vector copy number (VCN) requirement for optimal enzymatic output. This may place children at increased risk for genomic toxicity due to higher VCN...
March 14, 2024: bioRxiv