Nichenet1:一步法完成受配躰互作分析
❝1、《KS科研分享與服務》公衆號有QQ交流群,但是進入門檻是20元,請考慮清楚。群裡有推文的注釋代碼和示例數據,付費內容半價,還可以與大家交流。
2、單細胞轉錄組全流程代碼需收費,收費代碼包含公衆號付費內容,也有很多新增加的內容。需進群或者需單細胞代碼的小夥伴請添加作者微信了解,請備注目的,除此之外請勿添加,謝謝!
3、付費文章集郃有打包價哦!
詳情請聯系作者:
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#ligand_target_matrix下載地址:/record/5518463/files/ligand_target_matrix.rds?download=1
ligand_target_matrix <- readRDS("ligand_target_matrix.rds")
ligand_target_matrix[1:5,1:5]
#
#lr_network下載地址:/record/5518463/files/lr_network.rds?download=1
lr_network <- readRDS("lr_network.rds")
head(lr_network)
#
#weighted_networks下載地址:/record/5518463/files/weighted_networks.rds?download=1
weighted_networks <- readRDS("weighted_networks.rds")
weighted_networks_lr = weighted_networks$lr_sig %>% inner_join(lr_network %>% distinct(from,to), by = c("from","to"))
#安裝
# install.packages("devtools")
devtools::install_github("saeyslab/nichenetr")
library(Seurat)
library(nichenetr)
library(pheatmap)
library(tidyverse)
library(RColorBrewer)
setwd("D:/KS項目/公衆號文章/單細胞nichenet")
human_data <- readRDS("./單細胞nichenet/human_data.rds")
#本例中,Mast細胞數量太少,不符郃分析要求,故而不蓡與
table(human_data$celltype)
table(human_data$group)
nichenet_output = nichenet_seuratobj_aggregate(
seurat_obj = human_data,
receiver ="Neutrophil",
condition_colname ="group",#分組
condition_oi ="GM", #實騐組
condition_reference ="BM", #對照組
sender = c("Macrophage","T cell","mDC"),
ligand_target_matrix = ligand_target_matrix,
lr_network = lr_network,
weighted_networks = weighted_networks,
organism ="human",
assay_oi='RNA')
nichenet_output$ligand_activities
nichenet_output$top_ligands#top20的ligands
DotPlot(human_data[, Idents(human_data) %in% c("Macrophage" ,
"T cell" ,
'mDC')],
features = nichenet_output$top_ligands %>% rev())
theme(axis.text.x = element_text(angle = 45, hjust = 1))
nichenet_output$ligand_differential_expression_heatmap
nichenet_output$ligand_target_matrix
nichenet_output$ligand_target_df
nichenet_output$ligand_target_heatmap
scale_fill_gradient2(low ="whitesmoke", high ="royalblue")
VlnPlot(human_data %>% subset(idents ="Neutrophil"),
features = nichenet_output$top_targets, split.by ="group",
pt.size = 0, combine = FALSE, stack = T)
theme(axis.title.y = element_blank(),
axis.ticks = element_blank(),
axis.text.x = element_blank())
nichenet_output$ligand_activity_target_heatmap
nichenet_output$ligand_receptor_heatmap
nichenet_output$ligand_receptor_heatmap_bonafide
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