{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T00:46:49Z","timestamp":1787014009105,"version":"build-2736575974"},"reference-count":34,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2024,2,25]],"date-time":"2024-02-25T00:00:00Z","timestamp":1708819200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82371255"],"award-info":[{"award-number":["82371255"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82201398"],"award-info":[{"award-number":["82201398"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82071258"],"award-info":[{"award-number":["82071258"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003399","name":"Science and Technology Commission of Shanghai Municipality","doi-asserted-by":"publisher","award":["23XD1402500"],"award-info":[{"award-number":["23XD1402500"]}],"id":[{"id":"10.13039\/501100003399","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003399","name":"Science and Technology Commission of Shanghai Municipality","doi-asserted-by":"publisher","award":["23DZ2291500"],"award-info":[{"award-number":["23DZ2291500"]}],"id":[{"id":"10.13039\/501100003399","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003399","name":"Science and Technology Commission of Shanghai Municipality","doi-asserted-by":"publisher","award":["22PJD052"],"award-info":[{"award-number":["22PJD052"]}],"id":[{"id":"10.13039\/501100003399","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100008750","name":"Shanghai Municipal Hospital Development Center","doi-asserted-by":"publisher","award":["SHDC2022CRD037"],"award-info":[{"award-number":["SHDC2022CRD037"]}],"id":[{"id":"10.13039\/501100008750","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100017950","name":"Shanghai Municipal Health Commission","doi-asserted-by":"publisher","award":["2022LJ011"],"award-info":[{"award-number":["2022LJ011"]}],"id":[{"id":"10.13039\/100017950","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Genetics"],"published-print":{"date-parts":[[2024,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Spastic paraplegia type 4 (SPG4), caused by\n                    <jats:italic>SPAST<\/jats:italic>\n                    mutations, is the most predominant subtype of hereditary spastic paraplegia. Most documented SPG4 patients present as pure form, with the complex form rarely reported. We described the clinical and genetic features of 20 patients with complex phenotypes of SPG4 and further explored the genotype\u2013phenotype correlations. We collected detailed clinical data of all SPG4 patients and assessed their phenotypes.\n                    <jats:italic>SPAST<\/jats:italic>\n                    gene mutations were identified by Multiplex ligation\u2010dependent probe amplification in combination with whole exome sequencing. We further performed statistical analysis in genotype and phenotype among patients with various manifestations and different variants. Out of 90 SPG4 patients, 20 patients (male:female\u2009=\u200916:4) with additional neurologic deficits, namely complex form, were included in our study. The bimodal distribution of age of onset at 0\u201310 and 21\u201340\u2009years old is concluded. On cranial MRI, obvious white matter lesions can be observed in five patients. We identified 9 novel and 8 reported\n                    <jats:italic>SPAST<\/jats:italic>\n                    mutations, of which 11 mutations were located in AAA (ATPase associated with various cellular activities) domain. The AAA cassette of spastin is the hottest mutated region among complex SPG4.\u00a0All patients with cognitive impairment (CI) are males (\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u20099\/9). Additionally, 80% patients with ataxia are due to frameshift mutations (\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u20094\/5). Overall, our study summarized and analyzed the genetic and phenotypic characteristics of complex SPG4, making up over 1\/5 of in\u2010house SPG4 cohort, among which CI and ataxia are the most common features. Further studies are expected to explore the underlying mechanisms.\n                  <\/jats:p>","DOI":"10.1111\/cge.14510","type":"journal-article","created":{"date-parts":[[2024,2,25]],"date-time":"2024-02-25T22:58:10Z","timestamp":1708901890000},"page":"56-65","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Clinical and genetic characteristics in a Chinese cohort of complex spastic paraplegia type 4"],"prefix":"10.1111","volume":"106","author":[{"given":"Li","family":"Yao","sequence":"first","affiliation":[{"name":"Department of Neurology Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine  Shanghai China"},{"name":"Department of Neurology Suzhou Hospital of Anhui Medical University  Suzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuwen","family":"Cao","sequence":"additional","affiliation":[{"name":"Department of Neurology Shanghai Sixth 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Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine  Shanghai China"},{"name":"Shanghai Neurological Rare Disease Biobank and Precision Diagnostic Technical Service Platform  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1742-9877","authenticated-orcid":false,"given":"Li","family":"Cao","sequence":"additional","affiliation":[{"name":"Department of Neurology Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine  Shanghai China"},{"name":"Shanghai Neurological Rare Disease Biobank and Precision Diagnostic Technical Service Platform  Shanghai 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