{"created":"2024-12-12T08:16:38.930557+00:00","id":2010536,"links":{},"metadata":{"_buckets":{"deposit":"9be4c701-0d42-489e-bc8f-a4f1ad4ea302"},"_deposit":{"created_by":7,"id":"2010536","owners":[7],"pid":{"revision_id":0,"type":"depid","value":"2010536"},"status":"published"},"_oai":{"id":"oai:tokushima-u.repo.nii.ac.jp:02010536","sets":["1713853213384:1713853295607"]},"author_link":["1341","1721","202","1148","560","611","1127","166"],"control_number":"2010536","item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2022-04-15","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"310","bibliographicPageStart":"297","bibliographicVolumeNumber":"25","bibliographic_titles":[{"bibliographic_title":"Molecular Therapy - Methods and Clinical Development","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Galactosialidosis (GS) is a lysosomal cathepsin A (CTSA) deficiency. It associates with a simultaneous decrease of neuraminidase 1 (NEU1) activity and sialylglycan storage. Central nervous system (CNS) symptoms reduce the quality of life of juvenile/adult-type GS patients, but there is no effective therapy. Here, we established a novel GS model mouse carrying homozygotic Ctsa IVS6+1g→a mutation causing partial exon 6 skipping with concomitant deficiency of Ctsa/Neu1. The GS mice developed juvenile/adult GS-like symptoms, such as gargoyle-like face, edema, proctoprosia due to sialylglycan accumulation, and neurovisceral inflammation, including activated microglia/macrophage appearance and increase of inflammatory chemokines. We produced human CTSA precursor proteins (proCTSA), a homodimer carrying terminal mannose 6-phosphate (M6P)-type N-glycans. The CHO-derived proCTSA was taken up by GS patient-derived fibroblasts via M6P receptors and delivered to lysosomes. Catalytically active mature CTSA showed a shorter half-life due to intralysosomal proteolytic degradation. Following single i.c.v. administration, proCTSA was widely distributed, restored the Neu1 activity, and reduced the sialylglycans accumulated in brain regions. Moreover, proCTSA suppressed neuroinflammation associated with reduction of activated microglia/macrophage and up-regulated Mip1α. The results show therapeutic effects of intracerebrospinal enzyme replacement utilizing CHO-derived proCTSA and suggest suppression of CNS symptoms.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"The American Society of Gene and Cell Therapy","subitem_publisher_language":"en"},{"subitem_publisher":"Elsevier","subitem_publisher_language":"en"}]},"item_10001_rights_15":{"attribute_name":"権利情報","attribute_value_mlt":[{"subitem_rights":"This is an open access article under the CC BY-NC-ND license 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