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Background: The American College of Medical Genetics and Genomics (ACMG) and the Clinical Genome Resource (ClinGen) presented technical standards for interpretation and reporting of constitutional copy-number variants in 2019 (the standards). Although ClinGen developed a web-based CNV classification calculator based on scoring metrics, it can only track and tally points that have been assigned based on observed evidence. Here, we developed AutoCNV (a semiautomatic automated CNV interpretation system) based on the standards, which can automatically generate predictions on 18 and 16 criteria for copy number loss and gain, respectively.
Results: We assessed the performance of AutoCNV using 72 CNVs evaluated by external independent reviewers and 20 illustrative case examples. Using AutoCNV, it showed that 100 % (72/72) and 95 % (19/20) of CNVs were consistent with the reviewers' and ClinGen-verified classifications, respectively. AutoCNV only required an average of less than 5 milliseconds to obtain the result for one CNV with automated scoring. We also applied AutoCNV for the interpretation of CNVs from the ClinVar database and the dbVar database. We also developed a web-based version of AutoCNV (wAutoCNV).
Conclusions: AutoCNV may serve to assist users in conducting in-depth CNV interpretation, to accelerate and facilitate the interpretation process of CNVs and to improve the consistency and reliability of CNV interpretation.
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http://dx.doi.org/10.1186/s12864-021-08011-4 | DOI Listing |
Proteomics Clin Appl
September 2025
AIBioMed Research Group, Taipei Medical University, Taipei, Taiwan.
Background: Endometrial carcinoma (EC) represents a significant clinical challenge due to its pronounced molecular heterogeneity, directly influencing prognosis and therapeutic responses. Accurate classification of molecular subtypes (CNV-high, CNV-low, MSI-H, POLE) and precise tumor mutational burden (TMB) assessment is crucial for guiding personalized therapeutic interventions. Integrating proteomics data with advanced machine learning (ML) techniques offers a promising strategy for achieving precise, clinically actionable classification and biomarker discovery in EC.
View Article and Find Full Text PDFBMC Pregnancy Childbirth
September 2025
Department of Obstetrics and Gynecology, National Clinical Research Center for Obstetric & Gynecologic Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China.
Background: The aim of this study was to investigate the detection capability of medium-coverage whole-genome sequencing for chromosomal mosaicism in prenatal diagnosis, and to evaluate the pregnancy outcome of mosaicism.
Methods: Thirty-four prenatal samples with chromosomal mosaicism diagnosed by chromosomal microarray analysis with single nucleotide polymorphism (CMA/SNP) were included and subsequently subjected to chromosome analysis by medium-coverage whole-genome sequencing (CMA-seq) for back-to-back comparison. The results of karyotyping or fluorescence in situ hybridization (FISH) were reviewed for additional validation.
Genes (Basel)
July 2025
Department for Personalized Medicine, University Hospital Center Zagreb, 10000 Zagreb, Croatia.
Background: Neurodevelopmental disorders (NDDs), including autism spectrum disorder (ASD), are genetically complex and often linked to structural genomic variations such as copy number variants (CNVs). Current diagnostic strategies face challenges in interpreting the clinical significance of such variants.
Methods: We developed a customized, gene-oriented chromosomal microarray (CMA) targeting 6026 genes relevant to neurodevelopment, aiming to improve diagnostic yield and candidate gene prioritization.
Genes (Basel)
July 2025
Laboratory of Human Genomics, University of Medicine and Pharmacy of Craiova, 200638 Craiova, Romania.
: Miscarriage is an increasingly common event worldwide arising from various factors, and identifying its etiology is important for planning and managing any future pregnancies. It is estimated that about half of early pregnancy loss cases are caused by genetic abnormalities, while a significantly lower rate is found in late pregnancy loss. Multiplex ligation-dependent probe amplification (MLPA) can detect small changes within a gene with precise breakpoints at the level of a single exon.
View Article and Find Full Text PDFPathol Res Pract
October 2025
Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China; Institute of Pathology, Fudan University, Shanghai 200032, China. Electronic address:
Background: Next-generation sequencing (NGS) is widely used for assessing CDKN2A status in cancers due to its high throughput and efficiency. However, discrepancies between NGS and fluorescence in situ hybridization (FISH)-the gold standard for detecting copy number variations (CNVs)-are occasionally observed. This study aimed to evaluate the accuracy of NGS in detecting CDKN2A deletions by comparing it with FISH.
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