{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T07:30:54Z","timestamp":1767166254136,"version":"build-2238731810"},"reference-count":40,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2025,1,10]],"date-time":"2025-01-10T00:00:00Z","timestamp":1736467200000},"content-version":"vor","delay-in-days":9,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Human Mutation"],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:p>\n                    Mucopolysaccharidosis Type VI (MPS VI) is a lysosomal storage disorder associated with biallelic pathogenic variants in the\n                    <jats:italic>ARSB<\/jats:italic>\n                    gene. Herein, we present three patients with biochemical and clinical pictures of MPS VI, for whom routine molecular genetic analysis using Sanger sequencing of\n                    <jats:italic>ARSB<\/jats:italic>\n                    failed to identify one or both causative variants. RNA analysis of patients\u2019 samples revealed alterations of the wild\u2010type\n                    <jats:italic>ARSB<\/jats:italic>\n                    mRNA isoform in all cases, and one case required further analysis using whole genome sequencing. As a result, we identified one complex structural variant, which is a 52\u2010kb insertion of the\n                    <jats:italic>LHFPL2<\/jats:italic>\n                    gene fragment in the\n                    <jats:italic>ARSB<\/jats:italic>\n                    Intron 4, derived from nonallelic homologous recombination and leading to premature transcription termination, a recurrent deep intronic variant leading to pseudoexon activation and an intragenic deletion altering the integrity and splicing of the\n                    <jats:italic>ARSB<\/jats:italic>\n                    Exon 2.\n                  <\/jats:p>\n                  <jats:p>\n                    Using a minigene\u2010based cellular model, we demonstrated that the identified pseudoexon can be efficiently blocked by antisense molecules incorporated into modified U7 small nuclear RNAs and circular RNAs. The same approach was used to block the overlapping polymorphic pseudoexon in the\n                    <jats:italic>ARSB<\/jats:italic>\n                    gene and increase the amount of wild\u2010type mRNA isoform approximately twofold.\n                  <\/jats:p>","DOI":"10.1155\/humu\/2250030","type":"journal-article","created":{"date-parts":[[2025,1,10]],"date-time":"2025-01-10T05:53:51Z","timestamp":1736488431000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Functional Analysis of Complex Structural and Splice\u2010Altering Variants in the\n                    <i>ARSB<\/i>\n                    Gene Towards the Personalized Antisense\u2010Based Therapy for Mucopolysaccharidosis Type VI Patients"],"prefix":"10.1155","volume":"2025","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6594-6126","authenticated-orcid":false,"given":"Igor","family":"Bychkov","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexandra","family":"Filatova","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Galina","family":"Baydakova","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nataliya","family":"Sikora","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emiliya","family":"Garifullina","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anna","family":"Bykova","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vyacheslav","family":"Tabakov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexandr","family":"Skretnev","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mikhail","family":"Skoblov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ekaterina","family":"Zakharova","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,1,10]]},"reference":[{"key":"e_1_2_13_1_2","doi-asserted-by":"publisher","DOI":"10.2741\/4490"},{"key":"e_1_2_13_2_2","doi-asserted-by":"publisher","DOI":"10.1002\/humu.23613"},{"key":"e_1_2_13_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.omtm.2020.09.004"},{"key":"e_1_2_13_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/ajmg.a.62453"},{"key":"e_1_2_13_5_2","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD009806.pub2"},{"key":"e_1_2_13_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.pedneo.2022.10.001"},{"key":"e_1_2_13_7_2","doi-asserted-by":"publisher","DOI":"10.1002\/jgm.3321"},{"key":"e_1_2_13_8_2","doi-asserted-by":"publisher","DOI":"10.1089\/hum.2021.047"},{"key":"e_1_2_13_9_2","doi-asserted-by":"publisher","DOI":"10.34133\/research.0045"},{"key":"e_1_2_13_10_2","doi-asserted-by":"publisher","DOI":"10.1002\/mgg3.1840"},{"key":"e_1_2_13_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ymgme.2021.03.002"},{"key":"e_1_2_13_12_2","doi-asserted-by":"publisher","DOI":"10.1038\/nrg3871"},{"key":"e_1_2_13_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0168-9525(02)02592-1"},{"key":"e_1_2_13_14_2","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.genom.3.032802.120023"},{"key":"e_1_2_13_15_2","doi-asserted-by":"publisher","DOI":"10.1038\/ng.213"},{"key":"e_1_2_13_16_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0044196"},{"key":"e_1_2_13_17_2","doi-asserted-by":"publisher","DOI":"10.1098\/rstb.2016.0465"},{"key":"e_1_2_13_18_2","doi-asserted-by":"publisher","DOI":"10.1093\/nar\/gkr1010"},{"key":"e_1_2_13_19_2","doi-asserted-by":"publisher","DOI":"10.1038\/nature02536"},{"key":"e_1_2_13_20_2","doi-asserted-by":"publisher","DOI":"10.1007\/s10709-005-5967-2"},{"key":"e_1_2_13_21_2","doi-asserted-by":"publisher","DOI":"10.3390\/ijms221910887"},{"key":"e_1_2_13_22_2","doi-asserted-by":"publisher","DOI":"10.3803\/EnM.2017.32.4.413"},{"key":"e_1_2_13_23_2","doi-asserted-by":"publisher","DOI":"10.1002\/humu.24343"},{"key":"e_1_2_13_24_2","doi-asserted-by":"publisher","DOI":"10.1089\/nat.2022.0060"},{"key":"e_1_2_13_25_2","doi-asserted-by":"publisher","DOI":"10.3390\/genes8020051"},{"key":"e_1_2_13_26_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-020-17093-9"},{"key":"e_1_2_13_27_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.omtn.2023.102101"},{"key":"e_1_2_13_28_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.omtn.2017.03.002"},{"key":"e_1_2_13_29_2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa1813279"},{"key":"e_1_2_13_30_2","doi-asserted-by":"crossref","unstructured":"ChandrasekaranS. 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