方法对比

	基于网络的拷贝数变异分析	拷贝数变异分析
领域	生物信息学	生物信息学
方法族	Process / pipeline	Process / pipeline
起源年份	2011–2015	1998–2006
提出者	Fabio Vandin, Benjamin Raphael and colleagues (HotNet framework); Matthew Leiserson et al. (HotNet2)	Pinkel et al. (array CGH); Redon et al. (genome-wide CNV map)
类型	Computational network analysis pipeline	Genomic structural variant detection pipeline
开创性文献	Vandin, F., Upfal, E., & Raphael, B. J. (2012). De novo discovery of mutated driver pathways in cancer. Genome Research, 22(2), 375–385.	Redon, R., Ishikawa, S., Fitch, K. R., et al. (2006). Global variation in copy number in the human genome. Nature, 444(7118), 444–454.
别名	network CNV analysis, CNV network propagation, graph-based CNV analysis, network-integrated copy number analysis	CNV analysis, copy number variant detection, CNV calling, somatic copy number alteration analysis
相关	6	6
摘要	Network-based copy number variation analysis integrates genome-wide CNV data with biological interaction networks — such as protein-protein interaction (PPI) or pathway networks — to identify functionally coherent regions, driver genes, and altered subnetworks that raw CNV calling alone would miss. By propagating CNV signals through the network graph, the method reveals coordinated genomic dosage imbalances that converge on common biological functions, making it especially powerful in cancer genomics and rare-disease studies.	Copy number variation (CNV) analysis is a genomic pipeline for detecting regions where individuals carry fewer or more copies of a DNA segment than the reference genome. CNVs span kilobases to megabases and are a major class of structural variation implicated in cancer, neurodevelopmental disorders, and population diversity. The pipeline typically processes SNP array intensities or read-depth signals from whole-genome sequencing, applies segmentation algorithms, calls gain and loss events, and annotates them against gene and clinical databases.