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📖 科研基础 -- 读文献、看教材

文献--综合多种分析建立TNBC预后模型

A network approach reveals driver genes associated with survival of patients with triple-negative breast cancer April 19, 2021; IF=5.4 https://doi.org/10.1016/j.isci.2021.102451 1、WGCNA分析 (1)对773个来自TCGA的BRCA(包括92个TNBC)的31338个基因表达数据进行WGCNA网络共表达分析 ...

Create:&nbsp;<span title='2022-05-06 00:00:00 +0000 UTC'>2022-05-06</span>&nbsp;|&nbsp;Update:&nbsp;2022-05-06&nbsp;|&nbsp;Words:&nbsp;2226&nbsp;|&nbsp;5 min&nbsp;|&nbsp;Lishensuo

文献--四逆散与非酒精性脂肪肝网药分析

Network Pharmacology-Based Analysis on the Potential Biological Mechanisms of Sinisan Against Non-Alcoholic Fatty Liver Disease(四逆散–非酒精性脂肪肝) 27 August 2021 Front Pharmacol, IF=5.8 DOI: 10.3389/fphar.2021.693701 分析思路 文章的流程图 1、数据收集 1.1 TCM数据 四味中药:柴胡、白芍、枳实、甘草 ...

Create:&nbsp;<span title='2022-04-10 00:00:00 +0000 UTC'>2022-04-10</span>&nbsp;|&nbsp;Update:&nbsp;2022-04-28&nbsp;|&nbsp;Words:&nbsp;1203&nbsp;|&nbsp;3 min&nbsp;|&nbsp;Lishensuo

基于PPI网络的靶点群距离预测药物组合

Network-based prediction of drug combinations Nature communication 2019 / 03 IF=15 https://doi.org/10.1038/s41467-019-09186-x 文章使用数据 1、PPI high-quality protein-protein interactions (PPIs) 原文说有243,603 PPIs connecting 16,677 unique proteins ,但是根据文章附件链接只有217160 PPIs, 涉及15970个蛋白质 https://static-content.springer.com/esm/art%3A10.1038%2Fs41467-019-09186-x/MediaObjects/41467_2019_9186_MOESM3_ESM.xlsx 2、药物数据 (1)药物组方:DCDB ...

Create:&nbsp;<span title='2022-04-29 00:00:00 +0000 UTC'>2022-04-29</span>&nbsp;|&nbsp;Update:&nbsp;2022-04-29&nbsp;|&nbsp;Words:&nbsp;980&nbsp;|&nbsp;2 min&nbsp;|&nbsp;Lishensuo

矩阵相似性计算样本通路一致性

本次的两篇文章属于同一团队,第一篇文章侧重提出计算方法;第二篇文章侧重于应用方法,发现生物学规律 Paper1:提出方法 SIGN: similarity identification in gene expression Bioinformatics 2019 / 2 IF = 7 1.1 TSC score 文章根据2009年学者提出的modified RV coefficient,使用transcriptional similarity coefficient(TSC)分数,用以表征两个矩阵的相似性。计算公式如下:其中P1矩阵与P2矩阵的纵轴(Gene Row)需要保持一致,而两个矩阵的样本数(Sample Column)没有要求。 $$ TSC(P_1,P_2) = \frac{\sum_{i}(P_{10}×P_{20}){ij}} {{\sqrt{\sum{ij}(P_{10}){ij}^2}}× {\sqrt{\sum{ij}(P_{20})_{ij}^2}}} $$ ...

Create:&nbsp;<span title='2022-05-13 00:00:00 +0000 UTC'>2022-05-13</span>&nbsp;|&nbsp;Update:&nbsp;2022-05-17&nbsp;|&nbsp;Words:&nbsp;1807&nbsp;|&nbsp;4 min&nbsp;|&nbsp;Lishensuo

文献--从相关性网络中鉴定节点间的直接调控关系

1、算法简介 1.1 关系拆解 通过计算方法( 例如相关性Pearson correlation, 互信息mutual information等)构建的相互关系网络中,节点两两之间的关系通常包括直接关系与间接关系两部分,即如下图所示Total = Direct + Indirect ...

Create:&nbsp;<span title='2022-05-19 00:00:00 +0000 UTC'>2022-05-19</span>&nbsp;|&nbsp;Update:&nbsp;2022-05-20&nbsp;|&nbsp;Words:&nbsp;2155&nbsp;|&nbsp;5 min&nbsp;|&nbsp;Lishensuo

文献--基于通路富集的药物重定向(以AD药物为例)

(1)Computational Drug Repurposing for Alzheimer’s Disease Using Risk Genes From GWAS and Single-Cell RNA Sequencing Studies https://www.frontiersin.org/articles/10.3389/fphar.2021.617537/full Front Pharmacol, 2021/06, IF 5.81 (2)gene2drug: a computational tool for pathway-based rational drug repositioning ...

Create:&nbsp;<span title='2022-05-31 00:00:00 +0000 UTC'>2022-05-31</span>&nbsp;|&nbsp;Update:&nbsp;2022-05-31&nbsp;|&nbsp;Words:&nbsp;2095&nbsp;|&nbsp;5 min&nbsp;|&nbsp;Lishensuo

文献--基于药物干扰转录组建立距离网络用于药物重定向

Discovery of drug mode of action and drug repositioning from transcriptional responses August 2, 2010 | PNAS | IF=11.2 10.1073/pnas.1000138107 1、合并PRL cMap 1309种化合物作用于5种细胞系的6100个干扰转录组的差异基因结果。对于同一种化合物由于不同浓度,或者作用于不同细胞系会得到多个差异基因列表(下面简称list)。 ...

Create:&nbsp;<span title='2022-06-18 00:00:00 +0000 UTC'>2022-06-18</span>&nbsp;|&nbsp;Update:&nbsp;2022-06-18&nbsp;|&nbsp;Words:&nbsp;1647&nbsp;|&nbsp;4 min&nbsp;|&nbsp;Lishensuo

文献--synergyfinder包计算协同评价指标

DrugCombDB: a comprehensive database of drug combinations toward the discovery of combinatorial therapy Nucleic Acids Research | 2020 | IF=17 1、数据收集 (1)HTS(high-throughput screening)高通量筛选技术可用于快速测得药物作用于癌症细胞系的不同剂量(dose concentrations)下的反应(Response)。其中,反应(Response)的指标常是细胞活力(cell viability)。 ...

Create:&nbsp;<span title='2022-05-27 00:00:00 +0000 UTC'>2022-05-27</span>&nbsp;|&nbsp;Update:&nbsp;2022-05-27&nbsp;|&nbsp;Words:&nbsp;2797&nbsp;|&nbsp;6 min&nbsp;|&nbsp;Lishensuo

文献--32种乳腺癌细胞系单细胞转录组图谱

A single-cell analysis of breast cancer cell lines to study tumour heterogeneity and drug response Nature Communications | 31 March 2022 DOI: https://doi.org/10.1038/s41467-022-29358-6 这篇文章对来自32个乳腺癌细胞系的35276个细胞进行了单细胞转录组测序(Drop-seq),数据已上传到 GSE173634。文章具体内容主要是针对测序结果,从多个角度展开衍生的分析。 ...

Create:&nbsp;<span title='2022-07-06 00:00:00 +0000 UTC'>2022-07-06</span>&nbsp;|&nbsp;Update:&nbsp;2022-07-06&nbsp;|&nbsp;Words:&nbsp;1779&nbsp;|&nbsp;4 min&nbsp;|&nbsp;Lishensuo

文献--乳腺癌单细胞转录组图谱

A single-cell and spatially resolved atlas of human breast cancers NatGenet. 2021 September 1、scRNAseq测序样本 文章对26个乳腺癌样本进行了单细胞测序,包括11 ER+,5 HER2+,10 TNBC。 对质控得到的130246个细胞根据marker基因注释为8种主要的细胞类型。 ...

Create:&nbsp;<span title='2022-08-06 00:00:00 +0000 UTC'>2022-08-06</span>&nbsp;|&nbsp;Update:&nbsp;2022-08-06&nbsp;|&nbsp;Words:&nbsp;1819&nbsp;|&nbsp;4 min&nbsp;|&nbsp;Lishensuo
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