Structural Variants and Implicated Processes Associated with Familial Tourette Syndrome
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Structural Variants and Implicated Processes Associated with Familial Tourette Syndrome. / Fichna, Jakub P.; Chiliński, Mateusz; Halder, Anup Kumar; Cięszczyk, Paweł; Plewczynski, Dariusz; Żekanowski, Cezary; Janik, Piotr.
I: International Journal of Molecular Sciences, Bind 25, Nr. 11, 5758, 2024.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Structural Variants and Implicated Processes Associated with Familial Tourette Syndrome
AU - Fichna, Jakub P.
AU - Chiliński, Mateusz
AU - Halder, Anup Kumar
AU - Cięszczyk, Paweł
AU - Plewczynski, Dariusz
AU - Żekanowski, Cezary
AU - Janik, Piotr
N1 - Publisher Copyright: © 2024 by the authors.
PY - 2024
Y1 - 2024
N2 - Gilles de la Tourette syndrome (GTS) is a neurodevelopmental psychiatric disorder with complex and elusive etiology with a significant role of genetic factors. The aim of this study was to identify structural variants that could be associated with familial GTS. The study group comprised 17 multiplex families with 80 patients. Structural variants were identified from whole-genome sequencing data and followed by co-segregation and bioinformatic analyses. The localization of these variants was used to select candidate genes and create gene sets, which were subsequently processed in gene ontology and pathway enrichment analysis. Seventy putative pathogenic variants shared among affected individuals within one family but not present in the control group were identified. Only four private or rare deletions were exonic in LDLRAD4, B2M, USH2A, and ZNF765 genes. Notably, the USH2A gene is involved in cochlear development and sensory perception of sound, a process that was associated previously with familial GTS. In addition, two rare variants and three not present in the control group were co-segregating with the disease in two families, and uncommon insertions in GOLM1 and DISC1 were co-segregating in three families each. Enrichment analysis showed that identified structural variants affected synaptic vesicle endocytosis, cell leading-edge organization, and signaling for neurite outgrowth. The results further support the involvement of the regulation of neurotransmission, neuronal migration, and sound-sensing in GTS.
AB - Gilles de la Tourette syndrome (GTS) is a neurodevelopmental psychiatric disorder with complex and elusive etiology with a significant role of genetic factors. The aim of this study was to identify structural variants that could be associated with familial GTS. The study group comprised 17 multiplex families with 80 patients. Structural variants were identified from whole-genome sequencing data and followed by co-segregation and bioinformatic analyses. The localization of these variants was used to select candidate genes and create gene sets, which were subsequently processed in gene ontology and pathway enrichment analysis. Seventy putative pathogenic variants shared among affected individuals within one family but not present in the control group were identified. Only four private or rare deletions were exonic in LDLRAD4, B2M, USH2A, and ZNF765 genes. Notably, the USH2A gene is involved in cochlear development and sensory perception of sound, a process that was associated previously with familial GTS. In addition, two rare variants and three not present in the control group were co-segregating with the disease in two families, and uncommon insertions in GOLM1 and DISC1 were co-segregating in three families each. Enrichment analysis showed that identified structural variants affected synaptic vesicle endocytosis, cell leading-edge organization, and signaling for neurite outgrowth. The results further support the involvement of the regulation of neurotransmission, neuronal migration, and sound-sensing in GTS.
KW - CNV
KW - copy number
KW - duplication
KW - inversion
KW - misophonia
KW - neurexin
KW - polygenic
KW - schizophrenia
KW - tic disorders
KW - variant burden
U2 - 10.3390/ijms25115758
DO - 10.3390/ijms25115758
M3 - Journal article
C2 - 38891944
AN - SCOPUS:85195878689
VL - 25
JO - International Journal of Molecular Sciences (Online)
JF - International Journal of Molecular Sciences (Online)
SN - 1661-6596
IS - 11
M1 - 5758
ER -
ID: 395582057