Genomic data resources of the Brain Somatic Mosaicism Network for neuropsychiatric diseases

Sci Data. 2023 Nov 20;10(1):813. doi: 10.1038/s41597-023-02645-7. ABSTRACT Somatic mosaicism is defined as an occurrence of two or more populations of cells having genomic sequences differing at given loci in an individual who is derived from a single zygote. It is a characteristic of multicellular organisms that plays a crucial role in normal development and […]

Spliceosome malfunction causes neurodevelopmental disorders with overlapping features

J Clin Invest. 2023 Nov 14:e171235. doi: 10.1172/JCI171235. Online ahead of print. ABSTRACT Pre-mRNA splicing is a highly coordinated process. While its dysregulation has been linked to neurological deficits, our understanding of the underlying molecular and cellular mechanisms remains limited. We implicated pathogenic variants in U2AF2 and PRPF19, encoding spliceosome subunits in neurodevelopmental disorders (NDDs), […]

Circular extrachromosomal DNA promotes tumor heterogeneity in high-risk medulloblastoma

Nat Genet. 2023 Nov 9. doi: 10.1038/s41588-023-01551-3. Online ahead of print. ABSTRACT Circular extrachromosomal DNA (ecDNA) in patient tumors is an important driver of oncogenic gene expression, evolution of drug resistance and poor patient outcomes. Applying computational methods for the detection and reconstruction of ecDNA across a retrospective cohort of 481 medulloblastoma tumors from 465 […]

ARF1 prevents aberrant type I interferon induction by regulating STING activation and recycling

Nat Commun. 2023 Nov 1;14(1):6770. doi: 10.1038/s41467-023-42150-4. ABSTRACT Type I interferon (IFN) signalling is tightly controlled. Upon recognition of DNA by cyclic GMP-AMP synthase (cGAS), stimulator of interferon genes (STING) translocates along the endoplasmic reticulum (ER)-Golgi axis to induce IFN signalling. Termination is achieved through autophagic degradation or recycling of STING by retrograde Golgi-to-ER transport. […]

NBSTRN Tools to Advance Newborn Screening Research and Support Newborn Screening Stakeholders

Int J Neonatal Screen. 2023 Oct 30;9(4):63. doi: 10.3390/ijns9040063. ABSTRACT Rapid advances in the screening, diagnosis, and treatment of genetic disorders have increased the number of conditions that can be detected through universal newborn screening (NBS). However, the addition of conditions to the Recommended Uniform Screening Panel (RUSP) and the implementation of nationwide screening has […]

Genome sequencing detects a wide range of clinically relevant copy number variants and other genomic alterations

Genet Med. 2023 Oct 20:101006. doi: 10.1016/j.gim.2023.101006. Online ahead of print. ABSTRACT PURPOSE: Copy number variants (CNVs) and other non-SNV/indel variant types contribute an important proportion of diagnoses in individuals with suspected genetic disease. This study describes the range of such variants detected by genome sequencing (GS). METHODS: For a pediatric cohort of 1032 participants […]

Bi-allelic ACBD6 variants lead to a neurodevelopmental syndrome with progressive and complex movement disorders

Brain. 2023 Nov 10:awad380. doi: 10.1093/brain/awad380. Online ahead of print. ABSTRACT The acyl-CoA-binding domain-containing protein 6 (ACBD6) is ubiquitously expressed, plays a role in the acylation of lipids and proteins, and regulates the N-myristoylation of proteins via N-myristoyltransferase enzymes (NMTs). However, its precise function in cells is still unclear, as is the consequence of ACBD6 […]

Biallelic loss-of-function variants in WBP4, encoding a spliceosome protein, result in a variable neurodevelopmental syndrome

Am J Hum Genet. 2023 Nov 7:S0002-9297(23)00366-X. doi: 10.1016/j.ajhg.2023.10.013. Online ahead of print. ABSTRACT Over two dozen spliceosome proteins are involved in human diseases, also referred to as spliceosomopathies. WW domain-binding protein 4 (WBP4) is part of the early spliceosomal complex and has not been previously associated with human pathologies in the Online Mendelian Inheritance […]

A genetics-guided approach to the clinical management of schizophrenia

Schizophr Res. 2023 Oct 7:S0920-9964(23)00353-5. doi: 10.1016/j.schres.2023.09.042. Online ahead of print. ABSTRACT Schizophrenia is a highly heritable, severe mental illness characterized by hallucinations, delusions, social withdrawal, and cognitive dysfunction present in ∼1% of populations across cultures. There have been recent major advancements in our understanding of the genetic architecture of schizophrenia. Both rare, highly penetrant […]

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