DepMap Datasets for WRN manuscript
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Cancer Dependency Map (DepMap) data used for analyses in the manuscript "WRN Helicase is a Synthetic Lethal Target in Microsatellite Unstable Cancers" by Chan and Shibue et al. is packaged into an rds file.<br>This rds file contains a list of data matrices. All but one of these matrices ("MUT") have cell lines as rows and genes as columns (gene names are mapped to hgnc symbols). <br>This analysis uses the 18Q4 DepMap release. The latest Broad Institute DepMap data can be accessed at https://depmap.org.<br>Associated code for analysis is available at https://github.com/cancerdatasci/WRN_manuscript, and code and other materials can be accessed from https://depmap.org/WRN/<br>The rds file contains the following datasets:-<b>DRIVE</b>: Gene dependency scores from the Novartis DRIVE RNAi screen[1] processed using the DEMETER2 algorithm[2].<br>-<b>CRISPR</b>: Gene dependency scores from the Achilles CRISPR screen processed using the CERES algorithm[3].<br>-<b>GE</b>: Gene expression data (log2(TPM), protein coding genes only) [4]. <br>-<b>CN</b>: Log2 relative copy number [4].<br>-<b>MUT_HOT</b>: Binary matrix indicating which cell lines have hotspot missense mutations in each gene<br>-<b>MUT_DAM</b>: Binary matrix indicating which cell lines have damaging mutations in each gene<br>-<b>MUT_OTHER</b>: Binary matrix indicating which cell lines have other non-silent mutations in each gene<br>-<b>MUT</b>: Dataframe containing all mutation calls from the DepMap 18Q4 release [4]<br>-<b>RPPA</b>: CCLE protein abundance data using reverse-phase protein array [4].<br><b>References</b>[1] McDonald, E.R., et al., Project DRIVE: A Compendium of Cancer Dependencies and Synthetic Lethal Relationships Uncovered by Large-Scale, Deep RNAi Screening. Cell. 170, 577-592 (2017).<br>[2] McFarland, J.M., et al., Improved estimation of cancer dependencies from large-scale RNAi screens using model-based normalization and data integration. Nat. Commun. 9, 4610 (2018).<br>[3] Meyers, R.M., et al., Computational correction of copy number effect improves specificity of CRISPR–Cas9 essentiality screens in cancer cells. Nat. Genet. 49, 1779 (2017).<br>[4] Cancer Cell Line Encyclopedia Consortium, and Genomics of Drug Sensitivity in Cancer Consortium. Pharmacogenomic Agreement between Two Cancer Cell Line Data Sets. Nature. 528, 84–87 (2015).
本研究论文《WRN解旋酶是微卫星不稳定癌症中的合成致死靶点》(作者为Chan、Shibue等人)中用于分析的癌症依赖性图谱(Cancer Dependency Map, DepMap)数据已打包为rds格式文件。<br>该rds文件包含一组数据矩阵,除“MUT”矩阵外,其余所有矩阵均以细胞系为行、基因为列(基因名称已映射至人类基因命名委员会(Human Genome Nomenclature Committee, HGNC)符号)。<br>本分析使用的是18Q4版DepMap数据集。博德研究所(Broad Institute)最新的DepMap数据可访问地址为https://depmap.org。<br>相关分析代码可从https://github.com/cancerdatasci/WRN_manuscript获取,配套代码及其他材料可从https://depmap.org/WRN/获取。<br>该rds文件包含以下数据集:<br>- <b>DRIVE</b>:采用DEMETER2算法[2]处理得到的诺华DRIVE RNAi筛选基因依赖性评分[1]。<br>- <b>CRISPR</b>:采用CERES算法[3]处理得到的Achilles CRISPR筛选基因依赖性评分。<br>- <b>GE</b>:基因表达数据(log2(TPM),仅包含蛋白编码基因)[4]。<br>- <b>CN</b>:log2相对拷贝数数据[4]。<br>- <b>MUT_HOT</b>:二元矩阵,标注每个基因在哪些细胞系中存在热点错义突变。<br>- <b>MUT_DAM</b>:二元矩阵,标注每个基因在哪些细胞系中存在有害突变。<br>- <b>MUT_OTHER</b>:二元矩阵,标注每个基因在哪些细胞系中存在其他非同义突变。<br>- <b>MUT</b>:包含DepMap 18Q4版本所有突变调用信息的数据框[4]。<br>- <b>RPPA</b>:采用反相蛋白阵列(reverse-phase protein array, RPPA)技术得到的癌症细胞系百科全书(Cancer Cell Line Encyclopedia, CCLE)蛋白质丰度数据[4]。<br><b>参考文献</b><br>[1] McDonald, E.R. 等人,DRIVE项目:通过大规模深度RNAi筛选揭示的癌症依赖性与合成致死关系全集,《细胞》,170卷,577-592页(2017年)。<br>[2] McFarland, J.M. 等人,基于模型归一化与数据整合改进大规模RNAi筛选的癌症依赖性评估,《自然·通讯》,9卷,4610(2018年)。<br>[3] Meyers, R.M. 等人,拷贝数效应的计算校正可提升癌症细胞CRISPR–Cas9必需性筛选的特异性,《自然·遗传学》,49卷,1779页(2017年)。<br>[4] 癌症细胞系百科全书联盟与癌症药物敏感性基因组学联盟,两类癌症细胞系数据集的药物基因组学一致性,《自然》,528卷,84–87页(2015年)。
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figshare
创建时间:
2019-02-13



