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Background In order to investigate pathways that may influence on tumour development in meningiomas, we performed high throughput microarray analysis of the RNA expression and DNA copy number of 22 WHO grade I and five WHO grade II meningiomas. Since meningiomas derive from arachnoid cap cells, we used samples from four patients operated for arachnoid cysts(More)
BACKGROUND Patients with schizophrenia often suffer from cognitive dysfunction, including impaired learning and memory. We recently demonstrated that long-term potentiation in rat hippocampus, a mechanistic model of learning and memory, is linked to gene expression changes in immunity-related processes involved in complement activity and antigen(More)
In a 19-year-old severely autistic and mentally retarded girl, a balanced de novo t(14;21)(q21.1;p11.2) translocation was found in addition to a de novo 2.6-Mb 2q31.1 deletion containing 15 protein-encoding genes. To investigate if the translocation might contribute to developmental stagnation at the age of 2 years with later regression of skills, i.e. a(More)
Mosaic whole-chromosome tetrasomy has not previously been described as a cause of fetal malformations. In a markedly dysmorphic child with heart malformations and developmental delay, CGH analysis of newborn blood DNA suggested a 50% dose increase of chromosomes 8 and 18, despite a normal standard karyotype investigation. Subsequent FISH analysis revealed(More)
Doublecortin and calmodulin like kinase 1 (DCLK1) is implicated in synaptic plasticity and neurodevelopment. Genetic variants in DCLK1 are associated with cognitive traits, specifically verbal memory and general cognition. We investigated the role of DCLK1 variants in three psychiatric disorders that have neuro-cognitive dysfunctions: schizophrenia (SCZ),(More)
It was recently shown that duplications of the RevSex element, located 0.5 Mb upstream of SOX9, cause XX-disorder of sex development (DSD), and that deletions cause XY-DSD. To explore how a 148 kb RevSex duplication could have turned on gonadal SOX9 expression in the absence of SRY in an XX-male, we examined the chromatin landscape in primary skin(More)
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