Erin E Reasoner, Ellen van der Plas, Douglas R Langbehn, Amy L Conrad, Timothy R Koscik, Eric A Epping, Vincent A Magnotta, Peggy C Nopoulos
{"title":"儿童和青少年突变亨廷顿蛋白(mHTT)携带者的皮质特征。","authors":"Erin E Reasoner, Ellen van der Plas, Douglas R Langbehn, Amy L Conrad, Timothy R Koscik, Eric A Epping, Vincent A Magnotta, Peggy C Nopoulos","doi":"10.3233/JHD-210512","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>Molecular studies provide evidence that mutant huntingtin (mHTT) affects early cortical development; however, cortical development has not been evaluated in child and adolescent carriers of mHTT.</p><p><strong>Objective: </strong>To evaluate the impact of mHTT on the developmental trajectories of cortical thickness and surface area.</p><p><strong>Methods: </strong>Children and adolescents (6-18 years) participated in the KidsHD study. mHTT carrier status was determined for research purposes only to classify participants as gene expanded (GE) and gene non-expanded (GNE). Cortical features were extracted from 3T neuroimaging using FreeSurfer. Nonlinear mixed effects models were conducted to determine if age, group, and CAG repeat were associated with cortical morphometry.</p><p><strong>Results: </strong>Age-related changes in cortical morphometry were similar across groups. Expanded CAG repeat was not significantly associated with cortical features.</p><p><strong>Conclusion: </strong>While striatal development is markedly different in GE and GNE, developmental change of the cortex appears grossly normal among child and adolescent carrier of mHTT.</p>","PeriodicalId":16042,"journal":{"name":"Journal of Huntington's disease","volume":"11 2","pages":"173-178"},"PeriodicalIF":2.1000,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9177765/pdf/nihms-1793431.pdf","citationCount":"1","resultStr":"{\"title\":\"Cortical Features in Child and Adolescent Carriers of Mutant Huntingtin (mHTT).\",\"authors\":\"Erin E Reasoner, Ellen van der Plas, Douglas R Langbehn, Amy L Conrad, Timothy R Koscik, Eric A Epping, Vincent A Magnotta, Peggy C Nopoulos\",\"doi\":\"10.3233/JHD-210512\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>Molecular studies provide evidence that mutant huntingtin (mHTT) affects early cortical development; however, cortical development has not been evaluated in child and adolescent carriers of mHTT.</p><p><strong>Objective: </strong>To evaluate the impact of mHTT on the developmental trajectories of cortical thickness and surface area.</p><p><strong>Methods: </strong>Children and adolescents (6-18 years) participated in the KidsHD study. mHTT carrier status was determined for research purposes only to classify participants as gene expanded (GE) and gene non-expanded (GNE). Cortical features were extracted from 3T neuroimaging using FreeSurfer. Nonlinear mixed effects models were conducted to determine if age, group, and CAG repeat were associated with cortical morphometry.</p><p><strong>Results: </strong>Age-related changes in cortical morphometry were similar across groups. Expanded CAG repeat was not significantly associated with cortical features.</p><p><strong>Conclusion: </strong>While striatal development is markedly different in GE and GNE, developmental change of the cortex appears grossly normal among child and adolescent carrier of mHTT.</p>\",\"PeriodicalId\":16042,\"journal\":{\"name\":\"Journal of Huntington's disease\",\"volume\":\"11 2\",\"pages\":\"173-178\"},\"PeriodicalIF\":2.1000,\"publicationDate\":\"2022-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9177765/pdf/nihms-1793431.pdf\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Huntington's disease\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3233/JHD-210512\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"NEUROSCIENCES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Huntington's disease","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3233/JHD-210512","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"NEUROSCIENCES","Score":null,"Total":0}
Cortical Features in Child and Adolescent Carriers of Mutant Huntingtin (mHTT).
Background: Molecular studies provide evidence that mutant huntingtin (mHTT) affects early cortical development; however, cortical development has not been evaluated in child and adolescent carriers of mHTT.
Objective: To evaluate the impact of mHTT on the developmental trajectories of cortical thickness and surface area.
Methods: Children and adolescents (6-18 years) participated in the KidsHD study. mHTT carrier status was determined for research purposes only to classify participants as gene expanded (GE) and gene non-expanded (GNE). Cortical features were extracted from 3T neuroimaging using FreeSurfer. Nonlinear mixed effects models were conducted to determine if age, group, and CAG repeat were associated with cortical morphometry.
Results: Age-related changes in cortical morphometry were similar across groups. Expanded CAG repeat was not significantly associated with cortical features.
Conclusion: While striatal development is markedly different in GE and GNE, developmental change of the cortex appears grossly normal among child and adolescent carrier of mHTT.
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