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Animal Models

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Preclinical Use of a Clinically-Relevant scAAV9/SUMF1 Vector for the Treatment of Multiple Sulfatase Deficiency

Presa et al., Communications Medicine. 2025.

https://pubmed.ncbi.nlm.nih.gov/39870870

This study evaluates a gene therapy strategy using an adeno-associated virus (AAV)/SUMF1 vector to treat multiple sulfatase deficiency (MSD), a rare and fatal lysosomal storage disorder caused by mutations in the SUMF1 gene. Researchers delivered the functional gene to male and female Sumf1 knockout mice either neonatally or after symptom onset. Neonatal treatment via cerebral spinal fluid extended survival up to 1 year, alleviated MSD symptoms, and restored normal behavior and cardiac and visual function without toxicity. Treated tissues showed widespread SUMF1 expression and enzymatic activity. These findings support the translational potential of this gene replacement therapy for clinical use in MSD patients. Supported by ORIP (U42OD010921, U54OD020351, U54OD030187) and NCI.

Promoting Validation and Cross-Phylogenetic Integration in Model Organism Research

Cheng et al., Disease Models & Mechanisms. 2022.

https://www.doi.org/10.1242/dmm.049600

Model organisms are essential for biomedical research and therapeutic development, but translation of such research to the clinic is low. The authors summarized discussions from an NIH virtual workshop series, titled “Validation of Animal Models and Tools for Biomedical Research,” held from 2020 to 2021. They described challenges and opportunities for developing and integrating tools and resources and provided suggestions for improving the rigor, validation, reproducibility, and translatability of model organism research. Supported by ORIP (R01OD011116, R24OD031447, R03OD030597, R24OD018559, R24OD017870, R24OD026591, R24OD022005, U42OD026645, U42OD012210, U54OD030165, UM1OD023221, P51OD011107), NIAMS, NIDDK, NIGMS, NHGRI, and NINDS.