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Knit directory: melanoma_publication_old_data/
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This script generates plots for Supplementary Figure 1.
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visible FALSE library(SingleCellExperiment)Loading required package: SummarizedExperimentLoading required package: MatrixGenericsLoading required package: matrixStats
Attaching package: 'MatrixGenerics'The following objects are masked from 'package:matrixStats':
colAlls, colAnyNAs, colAnys, colAvgsPerRowSet, colCollapse,
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colDiffs, colIQRDiffs, colIQRs, colLogSumExps, colMadDiffs,
colMads, colMaxs, colMeans2, colMedians, colMins, colOrderStats,
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rowSdDiffs, rowSds, rowSums2, rowTabulates, rowVarDiffs, rowVars,
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rowWeightedSds, rowWeightedVarsLoading required package: GenomicRangesLoading required package: stats4Loading required package: BiocGenericsLoading required package: parallel
Attaching package: 'BiocGenerics'The following objects are masked from 'package:parallel':
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anyDuplicated, append, as.data.frame, basename, cbind, colnames,
dirname, do.call, duplicated, eval, evalq, Filter, Find, get, grep,
grepl, intersect, is.unsorted, lapply, Map, mapply, match, mget,
order, paste, pmax, pmax.int, pmin, pmin.int, Position, rank,
rbind, Reduce, rownames, sapply, setdiff, sort, table, tapply,
union, unique, unsplit, which.max, which.minLoading required package: S4Vectors
Attaching package: 'S4Vectors'The following object is masked from 'package:base':
expand.gridLoading required package: IRangesLoading required package: GenomeInfoDbLoading required package: BiobaseWelcome to Bioconductor
Vignettes contain introductory material; view with
'browseVignettes()'. To cite Bioconductor, see
'citation("Biobase")', and for packages 'citation("pkgname")'.
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anyMissing, rowMedianslibrary(data.table)
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first, secondlibrary(ggplot2)
library(dplyr)
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intersect, setdiff, setequal, unionlibrary(stringr)
library(ggpubr)
library(ComplexHeatmap)Loading required package: grid========================================
ComplexHeatmap version 2.4.3
Bioconductor page: http://bioconductor.org/packages/ComplexHeatmap/
Github page: https://github.com/jokergoo/ComplexHeatmap
Documentation: http://jokergoo.github.io/ComplexHeatmap-reference
If you use it in published research, please cite:
Gu, Z. Complex heatmaps reveal patterns and correlations in multidimensional
genomic data. Bioinformatics 2016.
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========================================library(circlize)========================================
circlize version 0.4.12
CRAN page: https://cran.r-project.org/package=circlize
Github page: https://github.com/jokergoo/circlize
Documentation: https://jokergoo.github.io/circlize_book/book/
If you use it in published research, please cite:
Gu, Z. circlize implements and enhances circular visualization
in R. Bioinformatics 2014.
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========================================library(gridExtra)
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combinelibrary(ggbeeswarm)
library(ggrepel)
library(ggpmisc)
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annotatelibrary(ggrastr)# load data
cells1 = fread("data/12plex_validation/overexpression/20190305/cell.csv", header = T,sep=",")
cells2 = fread("data/12plex_validation/overexpression/20190306/cell.csv", header = T,sep=",")
meta1 = fread("data/12plex_validation/overexpression/20190305/Image.csv",header = T,sep=",")Warning in require_bit64_if_needed(ans): Some columns are type 'integer64'
but package bit64 is not installed. Those columns will print as strange
looking floating point data. There is no need to reload the data. Simply
install.packages('bit64') to obtain the integer64 print method and print the
data again.meta2 = fread("data/12plex_validation/overexpression/20190306/Image.csv",header = T,sep=",")Warning in require_bit64_if_needed(ans): Some columns are type 'integer64'
but package bit64 is not installed. Those columns will print as strange
looking floating point data. There is no need to reload the data. Simply
install.packages('bit64') to obtain the integer64 print method and print the
data again.panel = fread( "data/12plex_validation/overexpression/20190305/20190305_A431_overexpression.csv")
# extract replicate and stain info
meta1 = meta1[,.(ImageNumber,FileName_CellImage, Group_Number, Metadata_Target)]
meta1[,':=' (replicate = getInfoFromString(FileName_CellImage,"_",1)), by=ImageNumber]
meta2 = meta2[,.(ImageNumber,FileName_CellImage, Group_Number, Metadata_Target)]
meta2[,':=' (replicate = getInfoFromString(FileName_CellImage,"_",1)), by=ImageNumber]
# sort Metal Number in same order than in the Image.csv file
panel$`Metal Number` = str_extract(panel$`Metal Tag`, "[0-9]+")
panel = panel[order(panel$`Metal Number`),]
panel$channel = c(1:nrow(panel))
cells_long1 = melt.data.table(cells1,id.vars = c("ImageNumber", "ObjectNumber"),variable.factor = F)
cells_long2 = melt.data.table(cells2,id.vars = c("ImageNumber", "ObjectNumber"),variable.factor = F)
# create unique ID with Image and ObjectNumber
cells_long1[,id := paste(ImageNumber,ObjectNumber,sep ="_")]
cells_long2[,id := paste(ImageNumber,ObjectNumber,sep ="_")]
# multiply value by 2E16 since it divided by this number in CellProfiler
cells_long1$value = cells_long1$value * 65535
cells_long2$value = cells_long2$value * 65535
# calculate counts_asinh
cells_long1[,':=' (channel = as.integer(getInfoFromFileList(variable,sep="_",strPos = 4,censorStr = "c")),
counts_asinh = asinh(value/1)),
by=id]
cells_long2[,':=' (channel = as.integer(getInfoFromFileList(variable,sep="_",strPos = 4,censorStr = "c")),
counts_asinh = asinh(value/1)),
by=id]
# take only FullStack entries and not FullStackFiltered
cells_long1[,measurement:=getInfoFromString(variable,"_",3),by=variable]
cells_long1[,signal_type:=getInfoFromString(variable,"_",2),by=variable]
cells_long2[,measurement:=getInfoFromString(variable,"_",3),by=variable]
cells_long2[,signal_type:=getInfoFromString(variable,"_",2),by=variable]
unique(cells_long1$signal_type)[1] "MeanIntensityCorrectedLS" "MeanIntensityCorrected"
[3] "MeanIntensity" unique(cells_long2$signal_type)[1] "MeanIntensityCorrectedLS" "MeanIntensityCorrected"
[3] "MeanIntensity" cells1 = merge(cells_long1, meta1,by="ImageNumber")
cells2 = merge(cells_long2, meta2,by="ImageNumber")
cells = rbind(cells1, cells2)# exclude some channels, make sure to exclude the right ones!
cells_panel = merge(cells,panel[,.(channel,Target, `Metal Tag`, `Metal Number`)],by="channel")
cells_panel = cells_panel[Target %in% c("T1","T2","T3","T4","T5","T6","T7","T8","T9","T10","T11","T12"),]
cells_panel = cells_panel[measurement != "FullStack",]
cells_panel = cells_panel[signal_type != "MeanIntensityCorrectedLS",]
unique(cells_panel$signal_type)[1] "MeanIntensityCorrected" "MeanIntensity" cells_panel_LScorrected = cells_panel[cells_panel$signal_type == "MeanIntensityCorrectedLS",]
cells_panel_uncorrected = cells_panel[cells_panel$signal_type == "MeanIntensity",]
cells_panel_corrected = cells_panel[cells_panel$signal_type == "MeanIntensityCorrected",]results = matrix(nrow=12, ncol = 12)
rownames(results) = unique(cells_panel$Target)
colnames(results) = unique(cells_panel$Target)
results = as.data.frame(results)
cells_panel_corrected = as.data.frame(cells_panel_corrected)
# calculate percentage of unspecific binding
for(i in unique(cells_panel$Target)){
mean_target = mean(cells_panel_corrected[cells_panel_corrected["Metadata_Target"] == i & cells_panel_corrected["Target"] == i, "value"])
for(j in unique(cells_panel$Target)){
row_index = which(rownames(results) %in% i)
col_index = which(colnames(results) %in% j)
results[row_index, col_index] = mean(cells_panel_corrected[cells_panel_corrected["Metadata_Target"] == j & cells_panel_corrected["Target"] == i, "value"]) / mean_target * 100
}
}
# set crosstalk to 0 from one channel to same channel
results[results == 100] <- 0
a = Heatmap(as.matrix(results),
col = colorRamp2(c(0,1,3), c("white","blue", "red")),
row_order = order(as.numeric(gsub("T", "", unique(cells_panel_corrected$Target)))),
column_order = order(as.numeric(gsub("T", "", unique(cells_panel_corrected$Target)))),
heatmap_legend_param = list(title = "% cross-talk", size =15),
column_names_side = "top",
column_title = "Stained Channel",
row_title = "Other Channels",
row_names_side = "left",
column_names_rot = 0,
column_names_gp = gpar(fontsize = 15),
row_names_gp = gpar(fontsize = 15),
column_names_centered = T,
cell_fun = function(j, i, x, y, width, height, fill) {
grid.text(sprintf("%.1f", as.matrix(results)[i, j]), x, y, gp = gpar(fontsize = 10))
})
draw(a)cells_panel2 <- cells_panel
cells_panel2[cells_panel2$signal_type == "MeanIntensity", ]$signal_type = "uncorrected"
cells_panel2[cells_panel2$signal_type == "MeanIntensityCorrected", ]$signal_type = "spill-over corrected"
ggplot(cells_panel2[cells_panel2$Metadata_Target == "T9",], aes(x=`Metal Tag`, y=counts_asinh, fill=signal_type)) +
geom_boxplot(outlier.shape = NA, lwd=0.5) +
theme_bw() +
theme(axis.text.x = element_text(angle = 90, vjust = 0.5, hjust=1),
text = element_text(size=18)) +
guides(fill=guide_legend(title="Signal")) +
ylab("Mean Count (asinh)") +
xlab("") +
facet_wrap(~Metadata_Target,labeller = as_labeller(c(T9 = "mRNA probe for Channel 9 (Er168)")))rm(list = ls())
# Reload helper functions
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visible FALSE cells1 = fread("data/12plex_validation/HeLa/20190208/cell.csv", header = T,sep=",")
cells3 = fread("data/12plex_validation/HeLa/20190215/cell.csv", header = T,sep=",")
cells4 = fread("data/12plex_validation/HeLa/20190222/cell.csv", header = T,sep=",")
meta1 = fread("data/12plex_validation/HeLa/20190208/Image.csv",header = T,sep=",")
meta3 = fread("data/12plex_validation/HeLa/20190215/Image.csv",header = T,sep=",")
meta4 = fread("data/12plex_validation/HeLa/20190222/Image.csv",header = T,sep=",")
meta1 = meta1[,.(ImageNumber,FileName_CellImage)]
meta3 = meta3[,.(ImageNumber,FileName_CellImage)]
meta4 = meta4[,.(ImageNumber,FileName_CellImage)]
meta1[,':=' (replicate = getInfoFromString(FileName_CellImage,"_",1),stain = getInfoFromString(FileName_CellImage,"_",6),
secondary_stain = getInfoFromString(FileName_CellImage,"_",7)),by=ImageNumber]
meta3[,':=' (replicate = getInfoFromString(FileName_CellImage,"_",1),stain = getInfoFromString(FileName_CellImage,"_",6),
secondary_stain = getInfoFromString(FileName_CellImage,"_",7)),by=ImageNumber]
meta4[,':=' (replicate = getInfoFromString(FileName_CellImage,"_",1),stain = getInfoFromString(FileName_CellImage,"_",7),
secondary_stain = getInfoFromString(FileName_CellImage,"_",8),
another_stain = getInfoFromString(FileName_CellImage,"_",6)),by=ImageNumber]
# rename positive stain
meta1[meta1$stain=="positive" & meta1$secondary_stain == "noAb",]$stain = "positive without Ab"
meta1[meta1$stain=="positive" & meta1$secondary_stain == "withAb",]$stain = "positive with Ab"
#meta2[meta2$stain=="positive" & meta2$secondary_stain == "noAb",]$stain = "positive without Ab"
#meta2[meta2$stain=="positive" & meta2$secondary_stain == "withAb",]$stain = "positive with Ab"
meta3[meta3$stain=="positive" & meta3$secondary_stain == "noAb",]$stain = "positive without Ab"
meta3[meta3$stain=="positive" & meta3$secondary_stain == "withAb",]$stain = "positive with Ab"
meta3[meta3$stain=="negative" & meta3$secondary_stain == "s0",]$stain = "negative 1st"
meta3[meta3$stain=="negative" & meta3$secondary_stain == "new",]$stain = "negative"
meta4[meta4$stain=="noAb",]$stain = "positive without Ab"
meta4[meta4$stain=="withAb",]$stain = "positive with Ab"
meta4[meta4$another_stain=="negative",]$stain = "negative"
meta4[meta4$another_stain=="T12",]$stain = "T12"
# change stain name
meta3[meta3$stain=="T7new",]$stain = "T7"
meta3[meta3$stain=="T5new",]$stain = "T5"
meta3[meta3$stain=="T11new",]$stain = "T11"
meta3[meta3$replicate =="20190221",]$replicate = "20190215"
panel = fread( "data/12plex_validation/HeLa/20190212_HeLa_12plex_validation.csv")
# sort Metal Number in same order than in the Image.csv file!!
panel$`Metal Number` = str_extract(panel$`Metal Tag`, "[0-9]+")
panel = panel[order(panel$`Metal Number`),]
panel$channel = c(1:nrow(panel))
# melt table
cells1_long = melt.data.table(cells1,id.vars = c("ImageNumber", "ObjectNumber"),variable.factor = F)
cells3_long = melt.data.table(cells3,id.vars = c("ImageNumber", "ObjectNumber"),variable.factor = F)
cells4_long = melt.data.table(cells4,id.vars = c("ImageNumber", "ObjectNumber"),variable.factor = F)
# multiply value by 2E16 since it divided by this number in CellProfiler
cells1_long$value = cells1_long$value * 65535
cells3_long$value = cells3_long$value * 65535
cells4_long$value = cells4_long$value * 65535
cells1_long[,id := paste(ImageNumber,ObjectNumber,sep ="_")]
cells1_long[,':=' (channel = as.integer(getInfoFromFileList(variable,sep="_",strPos = 4,censorStr = "c")),
counts_asinh = asinh(value/1)),
by=id]
cells3_long[,id := paste(ImageNumber,ObjectNumber,sep ="_")]
cells3_long[,':=' (channel = as.integer(getInfoFromFileList(variable,sep="_",strPos = 4,censorStr = "c")),
counts_asinh = asinh(value/1)),
by=id]
cells4_long[,id := paste(ImageNumber,ObjectNumber,sep ="_")]
cells4_long[,':=' (channel = as.integer(getInfoFromFileList(variable,sep="_",strPos = 4,censorStr = "c")),
counts_asinh = asinh(value/1)),
by=id]
# take only FullStack entries and not FullStackFiltered (not possible with RNA measurement, only with Ab's)
cells1_long[,measurement:=getInfoFromString(variable,"_",3),by=variable]
cells3_long[,measurement:=getInfoFromString(variable,"_",3),by=variable]
cells4_long[,measurement:=getInfoFromString(variable,"_",3),by=variable]
cells1_long = cells1_long[measurement=="FullStack",]
cells3_long = cells3_long[measurement=="FullStack",]
cells4_long = cells4_long[measurement=="FullStack",]cells1_long = merge(cells1_long,meta1,by="ImageNumber")
cells3_long = merge(cells3_long,meta3,by="ImageNumber")
cells4_long = merge(cells4_long,meta4,by="ImageNumber")
# select only 1 negative measuremenet in 3th measurement
cells3_long = cells3_long[cells3_long$stain != "negative 1st", ]
# remove additional columns which are not needed
cells1_long = cells1_long[,!("secondary_stain")]
cells3_long = cells3_long[,!("secondary_stain")]
cells4_long = cells4_long[,!("secondary_stain")]
cells4_long = cells4_long[,!("another_stain")]
cells = rbind(cells1_long, cells3_long)
cells = rbind(cells, cells4_long)# exclude certain channels, make sure to exclude the right ones!
cells_panel <- merge(cells,panel[,.(channel,Target)],by="channel")
cells_panel <- cells_panel[Target %in% c("T1","T2","T3","T4","T5","T6","T7","T8","T9","T10","T11","T12"),]# import data from 8plex validation
cells_panel_8plex = readRDS(file = "data/12plex_validation/HeLa/2018_data_8plex_validation_DS.rds")
# make both data.frames same so they can be merged
cells_panel = cells_panel[, !("measurement")]
cells_panel_8plex = cells_panel_8plex[, !("AreaShape_Area")]
# rename the stains in the 8plex data
unique(cells_panel_8plex$stain) [1] "C1" "C2" "C3" "C4" "C5" "C6" "C7" "C8"
[9] "all" "oldMix" "neg" cells_panel_8plex = cells_panel_8plex[!(stain %in% ("oldMix")), ]
cells_panel_8plex[stain == "C1", ]$stain = "T1"
cells_panel_8plex[stain == "C2", ]$stain = "T4"
cells_panel_8plex[stain == "C3", ]$stain = "T3"
cells_panel_8plex[stain == "C4", ]$stain = "T8"
cells_panel_8plex[stain == "C5", ]$stain = "T12"
cells_panel_8plex[stain == "C6", ]$stain = "T2"
cells_panel_8plex[stain == "C7", ]$stain = "T9"
cells_panel_8plex[stain == "C8", ]$stain = "T6"
cells_panel_8plex[stain == "all", ]$stain = "positive with Ab"
cells_panel_8plex[stain == "neg", ]$stain = "negative"
cells_panel_8plex[Target == "C1", ]$Target = "T1"
cells_panel_8plex[Target == "C2", ]$Target = "T4"
cells_panel_8plex[Target == "C3", ]$Target = "T3"
cells_panel_8plex[Target == "C4", ]$Target = "T8"
cells_panel_8plex[Target == "C5", ]$Target = "T12"
cells_panel_8plex[Target == "C6", ]$Target = "T2"
cells_panel_8plex[Target == "C7", ]$Target = "T9"
cells_panel_8plex[Target == "C8", ]$Target = "T6"
# check
unique(cells_panel_8plex$stain) [1] "T1" "T4" "T3" "T8"
[5] "T12" "T2" "T9" "T6"
[9] "positive with Ab" "negative" unique(cells_panel_8plex$Target)[1] "T1" "T4" "T3" "T8" "T12" "T2" "T9" "T6" all(colnames(cells_panel) == colnames(cells_panel_8plex))[1] TRUE# merge both files
cells_panel_12plex = rbind(cells_panel, cells_panel_8plex)# subset
cells_panel_12plex_sub = cells_panel_12plex[stain == Target,]
# relevel factor
cells_panel_12plex_sub$Target <- factor(cells_panel_12plex_sub$Target, levels = c("T1","T2","T3","T4","T5","T6","T7","T8","T9","T10","T11","T12"))
# check out difference in signal intensity for PPIB in the different channels
ggplot(data = cells_panel_12plex_sub[Target %in%c("T1","T2","T3","T4","T5","T6","T7","T8","T9","T10","T11","T12"),], aes(x=as.factor(Target),y=counts_asinh)) +
geom_boxplot(fill="deepskyblue1")+
theme_minimal()+
theme(text = element_text(size=25), axis.text.x = element_text(angle = 90, hjust = 1)) +
ylab("Mean Intensity Count per Cell [asinh]") +
xlab("Target Channels") +
geom_hline(yintercept = mean(cells_panel_12plex_sub$counts_asinh), linetype = 2) +
scale_x_discrete(breaks=c("T1", "T2", "T3","T4","T5","T6","T7","T8", "T9", "T10","T11", "T12"),
labels= c("T1 PPIB","T2 PPIB","T3 PPIB", "T4 PPIB", "T5 PPIB","T6 PPIB","T7 PPIB","T8 PPIB","T9 PPIB","T10 PPIB", "T11 PPIB", "T12 PPIB")) cells_panel_12plex_sub %>%
group_by(stain) %>%
summarize(mean_per_channel = mean(counts_asinh)) %>%
mutate(sd = sd(mean_per_channel), mean = mean(mean_per_channel), min = min(mean_per_channel), max = max(mean_per_channel))`summarise()` ungrouping output (override with `.groups` argument)# A tibble: 12 x 6
stain mean_per_channel sd mean min max
<chr> <dbl> <dbl> <dbl> <dbl> <dbl>
1 T1 1.58 0.195 1.48 1.14 1.77
2 T10 1.44 0.195 1.48 1.14 1.77
3 T11 1.14 0.195 1.48 1.14 1.77
4 T12 1.68 0.195 1.48 1.14 1.77
5 T2 1.68 0.195 1.48 1.14 1.77
6 T3 1.38 0.195 1.48 1.14 1.77
7 T4 1.64 0.195 1.48 1.14 1.77
8 T5 1.21 0.195 1.48 1.14 1.77
9 T6 1.37 0.195 1.48 1.14 1.77
10 T7 1.77 0.195 1.48 1.14 1.77
11 T8 1.48 0.195 1.48 1.14 1.77
12 T9 1.39 0.195 1.48 1.14 1.77dd = cells_panel[stain == "positive without Ab" | stain == "positive with Ab",]
# relevel factor
dd$Target <- factor(dd$Target, levels = c("T1","T2","T3","T4","T5","T6","T7","T8","T9","T10","T11","T12"))
dd$stain <- ifelse(dd$stain == "positive with Ab", "+ Antibodies", "- Antibodies")
# plot
ggplot(data=dd, aes(x=Target, y=counts_asinh, fill = stain)) +
geom_boxplot() +
scale_x_discrete(breaks=c("T1", "T2", "T3","T4","T5","T6","T7","T8", "T9", "T11","T10", "T12"),
labels= c("T1 POLR2A","T2 PPIB","T3 UBC", "T4 HPRT1", "T5 TUB","T6 RPL28","T7 RPL5","T8 B2M","T9 ACTB","T10 LDHA", "T11 RPLP0", "T12 GAPDH")) +
theme_minimal()+
theme(text = element_text(size=25), axis.text.x = element_text(angle = 90, hjust = 1)) +
ylab("Mean Intensity Count per Cell [asinh]") +
xlab("Target Channels") +
scale_fill_discrete(name = "Protocol Type") # add gene name
cells_panel_12plex$gene <- ""
cells_panel_12plex[cells_panel_12plex$Target == "T1",]$gene <- "POLR2A"
cells_panel_12plex[cells_panel_12plex$Target == "T2",]$gene <- "PPIB"
cells_panel_12plex[cells_panel_12plex$Target == "T3",]$gene <- "UBC"
cells_panel_12plex[cells_panel_12plex$Target == "T4",]$gene <- "HPRT1"
cells_panel_12plex[cells_panel_12plex$Target == "T5",]$gene <- "TUB"
cells_panel_12plex[cells_panel_12plex$Target == "T6",]$gene <- "RPL28"
cells_panel_12plex[cells_panel_12plex$Target == "T7",]$gene <- "RPL5"
cells_panel_12plex[cells_panel_12plex$Target == "T8",]$gene <- "B2M"
cells_panel_12plex[cells_panel_12plex$Target == "T9",]$gene <- "ACTB"
cells_panel_12plex[cells_panel_12plex$Target == "T10",]$gene <- "LDHA"
cells_panel_12plex[cells_panel_12plex$Target == "T11",]$gene <- "RPLP0"
cells_panel_12plex[cells_panel_12plex$Target == "T12",]$gene <- "GAPDH"
median_per_gene <- cells_panel_12plex %>%
filter(stain == "positive with Ab") %>%
filter(replicate %in% c("20190208", "20190215", "20190222")) %>%
group_by(gene) %>%
summarise(expression_RNAScope = median(counts_asinh))`summarise()` ungrouping output (override with `.groups` argument)# data from human protein atlas
rna_seq <- data.frame(median_per_gene$gene)
colnames(rna_seq) <- "gene"
# Normalized Expression Data from Human Protein Atlas
rna_seq$expression_RNAseq <- c(145.3, 89.2, 217.1, 21.3, 74.9, 1.2, 54.7, 87.9, 83.6, 72.4, 23.9, 62.9)
# merge
sum <- left_join(median_per_gene, rna_seq)Joining, by = "gene"# plot
ggplot(sum, aes(x=expression_RNAseq, y=expression_RNAScope, label=gene)) +
geom_label_repel(size=7, fill="deepskyblue1") +
geom_smooth(method = "lm") +
xlab("Normalized Expression RNA-Seq") +
ylab("Median Expression RNAScope [asinh]") +
stat_poly_eq(formula = y ~ x,
aes(label = ..rr.label..),
parse = TRUE, size=10) +
theme_minimal() +
theme(text = element_text(size=20)) `geom_smooth()` using formula 'y ~ x'# correlation of the two technologies
cor(sum$expression_RNAScope, sum$expression_RNAseq, method = c("spearman"))[1] 0.8391608sce_rna <- readRDS("data/sce_RNA.rds")for the detection of chemokine expressing cells we make use of the fact that we also measured a negative control (DapB).
# get the names of the chemokine channels without the negative control channel
chemokine_channels = rownames(sce_rna[which(grepl("T\\d+_",rownames(sce_rna)) & ! grepl("DapB",rownames(sce_rna))),])
chemokine_channels_sub <- c("T2_CCL22")
# run function to define chemokine expressing cells
output_list <- compute_difference(sce_rna,
cellID = "cellID",
assay_name = "asinh",
threshold = 0.01,
mRNA_channels = chemokine_channels_sub,
negative_control = "T6_DapB",
return_calc_metrics = TRUE)# check difference between DapB and signal (histogram)
plot_list = list()
for(i in chemokine_channels_sub){
# subset whole data set for visualization purposes
diff_chemo <- output_list[[i]]
diff_chemo_sub <- diff_chemo[sample(nrow(diff_chemo), nrow(diff_chemo)*0.5), ]
a <- ggplot(data = diff_chemo_sub, aes(x=scaled_diff)) +
geom_histogram(binwidth = 0.05, aes(fill =
ifelse(padj <= 0.01 & scaled_diff > 0, 'p<0.01', 'n.s.'))) +
xlab(paste(paste("Scaled Difference ", i, sep = " "), " - DapB", sep = "")) +
xlim(-5,7) +
theme_minimal() +
theme(text = element_text(size=20),
legend.position = "none") +
scale_fill_manual(values = c("black", "deepskyblue1"))
# significant cells defined by subtraction
b <- ggplot(data=diff_chemo_sub, aes(x=mean_negative_control, y=mean_chemokine)) +
geom_point_rast(alpha=0.2, aes(col =
ifelse(padj <= 0.01 & scaled_diff > 0, 'p<0.01', 'n.s.'))) +
scale_color_manual(values = c("black", "deepskyblue1"),
name = "Legend") +
guides(color = guide_legend(override.aes = list(alpha=1, size=3))) +
xlim(0,5.5) + ylim(0,5.5) +
ylab(paste("Mean expression of", i, sep=" ")) +
xlab("Mean DapB mRNA expression") +
theme_minimal() +
theme(text = element_text(size=20))
grid.arrange(a,b, nrow = 1, ncol=2)
}Warning: Removed 330 rows containing non-finite values (stat_bin).Warning: Removed 4 rows containing missing values (geom_bar).Warning: Removed 2 rows containing missing values (geom_point).
sessionInfo()R version 4.0.3 (2020-10-10)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Ubuntu 20.04 LTS
Matrix products: default
BLAS/LAPACK: /usr/lib/x86_64-linux-gnu/openblas-pthread/libopenblasp-r0.3.8.so
locale:
[1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C
[3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
[5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=C
[7] LC_PAPER=en_US.UTF-8 LC_NAME=C
[9] LC_ADDRESS=C LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] grid parallel stats4 stats graphics grDevices utils
[8] datasets methods base
other attached packages:
[1] ggrastr_0.2.1 ggpmisc_0.3.7
[3] ggrepel_0.9.0 ggbeeswarm_0.6.0
[5] gridExtra_2.3 circlize_0.4.12
[7] ComplexHeatmap_2.4.3 ggpubr_0.4.0
[9] stringr_1.4.0 dplyr_1.0.2
[11] ggplot2_3.3.3 data.table_1.13.6
[13] SingleCellExperiment_1.12.0 SummarizedExperiment_1.20.0
[15] Biobase_2.50.0 GenomicRanges_1.42.0
[17] GenomeInfoDb_1.26.2 IRanges_2.24.1
[19] S4Vectors_0.28.1 BiocGenerics_0.36.0
[21] MatrixGenerics_1.2.0 matrixStats_0.57.0
[23] workflowr_1.6.2
loaded via a namespace (and not attached):
[1] nlme_3.1-151 bitops_1.0-6 fs_1.5.0
[4] RColorBrewer_1.1-2 rprojroot_2.0.2 tools_4.0.3
[7] backports_1.2.1 utf8_1.1.4 R6_2.5.0
[10] vipor_0.4.5 mgcv_1.8-33 colorspace_2.0-0
[13] GetoptLong_1.0.5 withr_2.3.0 tidyselect_1.1.0
[16] curl_4.3 compiler_4.0.3 git2r_0.28.0
[19] cli_2.2.0 Cairo_1.5-12.2 DelayedArray_0.16.0
[22] labeling_0.4.2 scales_1.1.1 digest_0.6.27
[25] foreign_0.8-81 rmarkdown_2.6 rio_0.5.16
[28] XVector_0.30.0 pkgconfig_2.0.3 htmltools_0.5.0
[31] rlang_0.4.10 GlobalOptions_0.1.2 readxl_1.3.1
[34] rstudioapi_0.13 farver_2.0.3 shape_1.4.5
[37] generics_0.1.0 zip_2.1.1 car_3.0-10
[40] RCurl_1.98-1.2 magrittr_2.0.1 polynom_1.4-0
[43] GenomeInfoDbData_1.2.4 Matrix_1.3-2 fansi_0.4.1
[46] Rcpp_1.0.5 munsell_0.5.0 abind_1.4-5
[49] lifecycle_0.2.0 stringi_1.5.3 whisker_0.4
[52] yaml_2.2.1 carData_3.0-4 zlibbioc_1.36.0
[55] promises_1.1.1 forcats_0.5.0 crayon_1.3.4
[58] lattice_0.20-41 splines_4.0.3 haven_2.3.1
[61] hms_0.5.3 knitr_1.30 pillar_1.4.7
[64] rjson_0.2.20 ggsignif_0.6.0 glue_1.4.2
[67] evaluate_0.14 vctrs_0.3.6 png_0.1-7
[70] httpuv_1.5.4 cellranger_1.1.0 gtable_0.3.0
[73] purrr_0.3.4 tidyr_1.1.2 assertthat_0.2.1
[76] clue_0.3-58 xfun_0.20 openxlsx_4.2.3
[79] broom_0.7.3 rstatix_0.6.0 later_1.1.0.1
[82] tibble_3.0.4 beeswarm_0.2.3 cluster_2.1.0
[85] ellipsis_0.3.1