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Knit directory: ATAC_learning/

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library(tidyverse)
library(kableExtra)
library(broom)
library(RColorBrewer)
library(ChIPseeker)
library("TxDb.Hsapiens.UCSC.hg38.knownGene")
library("org.Hs.eg.db")
library(rtracklayer)
library(ggfortify)
library(readr)
library(BiocGenerics)
library(gridExtra)
library(VennDiagram)
library(scales)
library(ggVennDiagram)
library(BiocParallel)
library(ggpubr)
library(edgeR)
library(genomation)
library(ggsignif)
library(plyranges)
library(ggrepel)
library(ComplexHeatmap)
library(cowplot)
library(smplot2)
library(readxl)
library(devtools)
library(vargen)
library(eulerr)

Figure S12: H3K27-acetylated regions are enriched at transcription start sites.

knitr::include_graphics("assets/Fig\ S12.png", error=FALSE)

Version Author Date
50f3de9 E. Renee Matthews 2025-02-21
knitr::include_graphics("docs/assets/Fig\ S12.png",error = FALSE)

txdb <- TxDb.Hsapiens.UCSC.hg38.knownGene
###taken from Peak_calling rmd

# first get peakfiles (using .narrowPeak files from MACS2 calling) and upload functions

TSS = getBioRegion(TxDb=txdb, upstream=2000, downstream=2000, by = "gene", 
                   type = "start_site")
#### EXAMPLE OF CODE #####
# ind4_V24hpeaks_gr <- prepGRangeObj(ind4_V24hpeaks)
# ind1_DA24hpeaks_gr <- prepGRangeObj((ind1_DA24hpeaks))
# H3K27ac_list <- GRangesList(ind1_DA24hpeaks_gr, ind4_V24hpeaks_gr)
# # ##plotting the TSS average window (making an overlap of each using Epi_list as list holder)
# H3K27ac_list_tagMatrix = lapply(H3K27ac_list, getTagMatrix, windows = TSS)
# plotAvgProf(H3K27ac_list_tagMatrix, xlim=c(-3000, 3000), ylab = "Count Frequency")
#plotPeakProf(H3K27ac_list_tagMatrix, facet = "none", conf = 0.95)

## What I did here:  I called all my narrowpeak files
peakfiles1 <- choose.files()

##these were practice for getting file names and shortening for the for loop below
# testname <- basename(peakfiles1[1])
# str_split_i(testname, "_",3)

##This loop first established a list then (because I already knew the list had 12 files)
## I then imported each of these onto that list.  Once I had the list, I stored it as
## an R object, 
IndA_peaks <- list()
for (file in 1:8){
    testname <- basename(peakfiles1[file])
  banana_peel <- str_split_i(testname, "_",3)
 IndA_peaks[[banana_peel]] <- readPeakFile(peakfiles1[file])
}
saveRDS(IndA_peaks, "data/Final_four_data/H3K27ac_files/IndA_peaks_list.RDS")
# I then called annotatePeak on that list object, and stored that as a R object for later retrieval.)
peakAnnoList_1 <- lapply(IndA_peaks, annotatePeak, tssRegion =c(-2000,2000), TxDb= txdb)
saveRDS(peakAnnoList_1, "data/Final_four_data/H3K27ac_files/IndA_peakAnnoList.RDS")
promoter <- getPromoters(TxDb=txdb, upstream=3000, downstream=3000)
tagMatrix_C <- lapply(IndC_peaks,getTagMatrix, windows=promoter)
plotAvgProf(tagMatrix_C, xlim = c(-3000,3000),xlab = "Genomic Region (5'->3')", ylab = "Read Count Frequency")

saveRDS(tagMatrix_C, "data/Final_four_data/H3K27ac_files/IndC_tagMatrix.RDS")

Making the plot

##load tagMatrix files from above
tagMatrix_A <- readRDS("data/Final_four_data/H3K27ac_files/IndA_tagMatrix.RDS")
tagMatrix_B <- readRDS("data/Final_four_data/H3K27ac_files/IndB_tagMatrix.RDS")
tagMatrix_C <- readRDS("data/Final_four_data/H3K27ac_files/IndC_tagMatrix.RDS")
###making the plots and storing the 3 hour as an object
a1<- plotAvgProf(tagMatrix_A[c(1,3,5,7)], xlim=c(-3000, 3000), ylab = "Count Frequency")+ ggtitle("3 hour Individual A" )+coord_cartesian(xlim=c(-2000,2000))
>> plotting figure...            2025-05-01 10:40:56 AM 
b1 <- plotAvgProf(tagMatrix_B[c(1,3,4,7)], xlim=c(-3000, 3000), ylab = "Count Frequency")+ ggtitle("3 hour Individual B" )+coord_cartesian(xlim=c(-2000,2000))
>> plotting figure...            2025-05-01 10:40:56 AM 
c1 <- plotAvgProf(tagMatrix_C[c(1,4,6,8)], xlim=c(-3000, 3000), ylab = "Count Frequency")+ ggtitle("3 hour Individual C" )+coord_cartesian(xlim=c(-2000,2000))
>> plotting figure...            2025-05-01 10:40:57 AM 
### making the plots and storing the 24 hour as an object
a2<- plotAvgProf(tagMatrix_A[c(2,4,6,8)], xlim=c(-3000, 3000), ylab = "Count Frequency")+ ggtitle("24 hour Individual A" )+coord_cartesian(xlim=c(-2000,2000))
>> plotting figure...            2025-05-01 10:40:57 AM 
b2 <- plotAvgProf(tagMatrix_B[c(2,5,6,8)], xlim=c(-3000, 3000), ylab = "Count Frequency")+ ggtitle("24 hour Individual B" )+coord_cartesian(xlim=c(-2000,2000))
>> plotting figure...            2025-05-01 10:40:57 AM 
c2 <- plotAvgProf(tagMatrix_C[c(2,3,5,7,9)], xlim=c(-3000, 3000), ylab = "Count Frequency")+ ggtitle("24 hour Individual C" )+coord_cartesian(xlim=c(-2000,2000))
>> plotting figure...            2025-05-01 10:40:57 AM 
plot_grid(a1,a2, b1,b2,c1,c2, axis="l",align = "hv",nrow=3, ncol=2)

Version Author Date
77a569b E. Renee Matthews 2025-02-27

Figure S13: H3K27ac CUT&Tag sequencing data separate by time and drug treatment.

H3K27ac_counts <- read_delim("data/Final_four_data/H3K27ac_files/H3K27ac_counts_file.txt", delim= "\t")
corr_lcpmH3K27ac <- H3K27ac_counts %>% 
  column_to_rownames("Geneid") %>% 
  cpm(.,log=TRUE) %>% 
  cor()
  
filmat_groupmat_col <- data.frame(timeset = colnames(corr_lcpmH3K27ac))

counts_corr_mat <-  filmat_groupmat_col %>% 
  separate(timeset, into = c("indv","trt","time"), sep= "_") %>% 
  mutate(time = factor(time, levels = c("3", "24"), labels= c("3 hours","24 hours"))) %>% 
  mutate(trt = factor(trt, levels = c("DOX","EPI", "DNR", "MTX","VEH"))) %>% 
  mutate(class = if_else(trt == "DNR", "AC", if_else(
    trt == "DOX", "AC", if_else(trt == "EPI", "AC", "nAC")
  ))) %>%
  mutate(TOP2i = if_else(trt == "DNR", "yes", if_else(
    trt == "DOX", "yes", if_else(trt == "EPI", "yes", if_else(trt == "MTX", "yes", "no"))))) %>% 
  mutate(indv=factor(indv, levels = c("A","B","C"))) 
                         
 mat_colors <- list( 
   trt= c("#F1B72B","#8B006D","#DF707E","#3386DD","#41B333"),
   indv=c(A="#1B9E77",B= "#D95F02" ,C="#7570B3"),
   time=c("pink", "chocolate4"),
   class=c("yellow1","darkorange1"), 
   TOP2i =c("darkgreen","lightgreen"))                        
                         
names(mat_colors$trt)   <- unique(counts_corr_mat$trt)                      
names(mat_colors$indv) <- unique(counts_corr_mat$indv)
names(mat_colors$time) <- unique(counts_corr_mat$time)
names(mat_colors$class) <- unique(counts_corr_mat$class)
names(mat_colors$TOP2i) <- unique(counts_corr_mat$TOP2i)

htanno <-  ComplexHeatmap::HeatmapAnnotation(df = counts_corr_mat, col = mat_colors)
ComplexHeatmap::Heatmap(corr_lcpmH3K27ac, top_annotation = htanno)

Version Author Date
77a569b E. Renee Matthews 2025-02-27

Figure S14: Change in H3K27ac enrichment in response to drugs is highly correlated across ACs.

Figure S14A: Differentially enriched H3K27ac regions across drug treatments

Code for Differential analysis

### group  without veh3hr and veh24hr individual samples
# group_23s <- c( 1,2,4,5,6,7,10,1,2,3,4,7,8,9,10,1,2,3,5,6,7,8,9)
H3K27ac_counts_file <- read_delim("data/Final_four_data/H3K27ac_files/H3K27ac_counts_file.txt", delim= "\t")
PCA_H3_mat_23s <- H3K27ac_counts_file %>% 
  ##removing C_VEH_3 and B_VEH_24 columns 
  dplyr::select(Geneid,B_DNR_24:B_MTX_24, B_VEH_3:C_VEH_24) %>% 
  column_to_rownames("Geneid") %>% 
  as.matrix()

anno_H3_mat_23s <-
data.frame(timeset=colnames(PCA_H3_mat_23s)) %>%
  mutate(sample = timeset) %>% 
  separate(timeset, into = c("indv","trt","time"), sep= "_") %>% 
  mutate(time = factor(time, levels = c("3", "24"), labels= c("3 hours","24 hours"))) %>% 
  mutate(trt = factor(trt, levels = c("DOX","EPI", "DNR", "MTX","VEH"))) 
  

  
lcpm_h3_23s <- cpm(PCA_H3_mat_23s, log=TRUE)  ### for determining the basic cutoffs
row_means23s <- rowMeans(lcpm_h3_23s)
h3_23s_filtered <- PCA_H3_mat_23s[row_means23s >0,]
filt_H3_matrix_lcpm_23s <- cpm(h3_23s_filtered, log=TRUE)

### no difference in between filtered and unfiltered numbers

for_group_23s <- data.frame(timeset=colnames(PCA_H3_mat_23s)) %>%
  mutate(sample = timeset) %>%
  separate(timeset, into = c("indv","trt","time"), sep= "_") %>%
  unite("test", trt:time,sep="_", remove = FALSE)

# dge_23s <- DGEList.data.frame(counts = PCA_H3_mat_23s, group = group_23s, genes = lcpm_h3_23s_filtered)

# group_1 <- for_group_23s$test
# 
# dge_23s$group$indv <- for_group_23s$indv
# dge_23s$group$time <- for_group_23s$time
# dge_23s$group$trt <- for_group_23s$trt
# # 
# indv_23s <- for_group_23s$indv
# mm <- model.matrix(~0 +group_1)
# colnames(mm) <-  c("DNR_24", "DNR_3", "DOX_24","DOX_3","EPI_24", "EPI_3","MTX_24", "MTX_3","VEH_24", "VEH_3")
# 
# y <- voom(dge_23s$counts, mm,plot =TRUE)
# 
# corfit <- duplicateCorrelation(y, mm, block = indv_23s)
# 
# v <- voom(dge_23s$counts, mm, block = indv_23s, correlation = corfit$consensus)
# 
# fit <- lmFit(v, mm, block = indv_23s, correlation = corfit$consensus)
# # colnames(mm) <- c("DNR_24","DNR_3","DOX_24","DOX_3","EPI_24","EPI_3","MTX_24","MTX_3","TRZ_24","TRZ_3","VEH_24", "VEH_3")
# #
# #
# cm <- makeContrasts(
#   DNR_3.VEH_3 = DNR_3-VEH_3,
#   DOX_3.VEH_3 = DOX_3-VEH_3,
#   EPI_3.VEH_3 = EPI_3-VEH_3,
#   MTX_3.VEH_3 = MTX_3-VEH_3,
#   DNR_24.VEH_24 =DNR_24-VEH_24,
#   DOX_24.VEH_24= DOX_24-VEH_24,
#   EPI_24.VEH_24= EPI_24-VEH_24,
#   MTX_24.VEH_24= MTX_24-VEH_24,
#     levels = mm)
#
# vfit <- lmFit(y, mm)
# # 
# vfit<- contrasts.fit(vfit, contrasts=cm)
# 
# efit4_raodah_23s <- eBayes(vfit)
efit_raodah_23s <- readRDS("data/Final_four_data/efit4_raodah_23s.RDS")
results = decideTests(efit_raodah_23s)
summary(results)
       DNR_3.VEH_3 DOX_3.VEH_3 EPI_3.VEH_3 MTX_3.VEH_3 DNR_24.VEH_24
Down           424           2           0           0          2007
NotSig       19502       20135       20137       20137         16669
Up             211           0           0           0          1461
       DOX_24.VEH_24 EPI_24.VEH_24 MTX_24.VEH_24
Down             126            55             0
NotSig         19756         19997         20137
Up               255            85             0
AC.DNR_3.top= topTable(efit_raodah_23s, coef=1, adjust.method="BH", number=Inf, sort.by="p")
AC.DOX_3.top= topTable(efit_raodah_23s, coef=2, adjust.method="BH", number=Inf, sort.by="p")
AC.EPI_3.top= topTable(efit_raodah_23s, coef=3, adjust.method="BH", number=Inf, sort.by="p")
AC.MTX_3.top= topTable(efit_raodah_23s, coef=4, adjust.method="BH", number=Inf, sort.by="p")

AC.DNR_24.top= topTable(efit_raodah_23s, coef=5, adjust.method="BH", number=Inf, sort.by="p")
AC.DOX_24.top= topTable(efit_raodah_23s, coef=6, adjust.method="BH", number=Inf, sort.by="p")
AC.EPI_24.top= topTable(efit_raodah_23s, coef=7, adjust.method="BH", number=Inf, sort.by="p")
AC.MTX_24.top= topTable(efit_raodah_23s, coef=8, adjust.method="BH", number=Inf, sort.by="p")


plot_filenames <- c("AC.DNR_3.top","AC.DOX_3.top","AC.EPI_3.top","AC.MTX_3.top",
                    "AC.DNR_24.top","AC.DOX_24.top","AC.EPI_24.top",
                    "AC.MTX_24.top")
plot_files <- c( AC.DNR_3.top,AC.DOX_3.top,AC.EPI_3.top,AC.MTX_3.top,
                    AC.DNR_24.top,AC.DOX_24.top,AC.EPI_24.top,
                    AC.MTX_24.top)

volcanosig <- function(df, psig.lvl) {
    df <- df %>% 
    mutate(threshold = ifelse(adj.P.Val > psig.lvl, "A", ifelse(adj.P.Val <= psig.lvl & logFC<=0,"B","C")))
     
    ggplot(df, aes(x=logFC, y=-log10(P.Value))) + 
      geom_point(aes(color=threshold))+
      xlab(expression("Log"[2]*" FC"))+
      ylab(expression("-log"[10]*"P Value"))+
      scale_color_manual(values = c("black", "red","blue"))+
      ylim(0,12)+
      xlim(-5,5)+
      theme_cowplot()+
      theme(legend.position = "none",
              plot.title = element_text(size = rel(1.5), hjust = 0.5),
              axis.title = element_text(size = rel(0.8))) 
}

v1 <- volcanosig(AC.DNR_3.top, 0.05)+ ggtitle("H3K27ac DNR 3 hour")
v2 <- volcanosig(AC.DNR_24.top, 0.05)+ ggtitle("H3K27ac DNR 24 hour")+ylab("")
v3 <- volcanosig(AC.DOX_3.top, 0.05)+ ggtitle("H3K27ac DOX 3 hour")
v4 <- volcanosig(AC.DOX_24.top, 0.05)+ ggtitle("H3K27ac DOX 24 hour")+ylab("")
v5 <- volcanosig(AC.EPI_3.top, 0.05)+ ggtitle("H3K27ac EPI 3 hour")
v6 <- volcanosig(AC.EPI_24.top, 0.05)+ ggtitle("H3K27ac EPI 24 hour")+ylab("")
v7 <- volcanosig(AC.MTX_3.top, 0.05)+ ggtitle("H3K27ac MTX 3 hour")
v8 <- volcanosig(AC.MTX_24.top, 0.05)+ ggtitle("H3K27ac MTX 24 hour")+ylab("")

plot_grid(v1,v2,  rel_widths =c(.8,1))

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plot_grid(v3,v4,  rel_widths =c(.8,1))

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plot_grid(v5,v6,  rel_widths =c(.8,1))

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plot_grid(v7,v8,  rel_widths =c(.8,1))

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77a569b E. Renee Matthews 2025-02-27

Figure S14B: Correlation of H3K27ac log fold change across all regions.

FCmatrix_23s <- subset(efit_raodah_23s$coefficients)

colnames(FCmatrix_23s) <-
  c("DNR\n3h",
    "DOX\n3h",
    "EPI\n3h",
    "MTX\n3h",
    "DNR\n24h",
    "DOX\n24h",
    "EPI\n24h",
    "MTX\n24h"
     )


mat_col_FC <-
  data.frame(
    time = c(rep("3 hours", 4), rep("24 hours", 4)),
    class = (c(
      "AC", "AC", "AC", "nAC", "AC", "AC", "AC", "nAC"
    )))
rownames(mat_col_FC) <- colnames(FCmatrix_23s)

mat_colors_FC <-
  list(
    time = c("pink", "chocolate4"),
    class = c("yellow1", "lightgreen"))

names(mat_colors_FC$time) <- unique(mat_col_FC$time)
names(mat_colors_FC$class) <- unique(mat_col_FC$class)
# names(mat_colors_FC$TOP2i) <- unique(mat_col_FC$TOP2i)
corrFC_23s <- cor(FCmatrix_23s)

htanno_23s <-  HeatmapAnnotation(df = mat_col_FC, col = mat_colors_FC)
Heatmap(corrFC_23s, top_annotation = htanno_23s)

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77a569b E. Renee Matthews 2025-02-27

Figure S15: Four H3K27ac enrichment signatures capture the response to TOP2i over time.

Figure S15 A & B: BIC and AIC for H3K27ac following joint modeling of pairs of tests.

###now adjusted for 23 samples:
H3K27ac_counts_file <- read_delim("data/Final_four_data/H3K27ac_files/H3K27ac_counts_file.txt", delim= "\t")
PCA_H3_mat_23s <- H3K27ac_counts_file %>% 
  ##removing C_VEH_3 and B_VEH_24 columns 
  dplyr::select(Geneid,B_DNR_24:B_MTX_24, B_VEH_3:C_VEH_24) %>% 
  column_to_rownames("Geneid") %>% 
  as.matrix()

anno_H3_mat_23s <-
data.frame(timeset=colnames(PCA_H3_mat_23s)) %>%
  mutate(sample = timeset) %>% 
  separate(timeset, into = c("indv","trt","time"), sep= "_") %>% 
  mutate(time = factor(time, levels = c("3", "24"), labels= c("3 hours","24 hours"))) %>% 
  mutate(trt = factor(trt, levels = c("DOX","EPI", "DNR", "MTX","VEH"))) 

for_group3 <- data.frame(timeset=colnames(PCA_H3_mat_23s)) %>% 
  mutate(sample = timeset) %>% 
  separate(timeset, into = c("indv","trt","time"), sep= "_") %>% 
  tidyr::unite("test", trt:time,sep="_", remove = FALSE)
### for 3 individuals {2,3,6}
group_3 <- c( 1,2,4,5,6,7,10,1,2,3,4,7,8,9,10,1,2,3,5,6,7,8,9)
group_fac_3 <- group_3
groupid_3 <- as.numeric(group_fac_3)
label <- for_group3$sample
compid_3 <- data.frame(c1= c(2,4,6,8,1,3,5,7), c2 = c( 10,10,10,10,9,9,9,9))

y_TMM_cpm_3 <- cpm(PCA_H3_mat_23s, log = TRUE)

colnames(y_TMM_cpm_3) <- label

# set.seed(31415)
# cormotif_initial_3 <- cormotiffit(exprs = y_TMM_cpm_3, groupid = groupid_3, compid = compid_3, K=1:6, max.iter = 500, runtype = "logCPM")

##results from the K1:6 run:
cormotif_initial_23s <- readRDS("data/Final_four_data/cormotif_3_raodah_run_23s.RDS")

Cormotif::plotIC(cormotif_initial_23s)

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77a569b E. Renee Matthews 2025-02-27

Figure S15 C: Four drug response motifs are identified.

Cormotif::plotMotif(cormotif_initial_23s)

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77a569b E. Renee Matthews 2025-02-27

Figure S15 D: H3K27ac enrichment at each of the response classes at three and 24 hours across treatments.

drug_pal <- c("#8B006D","#DF707E","#F1B72B", "#3386DD","#41B333")
H3K27ac_counts_file <- read_delim("data/Final_four_data/H3K27ac_files/H3K27ac_counts_file.txt", delim= "\t")
lcpm_h3_23s <- H3K27ac_counts_file %>% 
  ##removing C_VEH_3 and B_VEH_24 columns 
  dplyr::select(Geneid,B_DNR_24:B_MTX_24, B_VEH_3:C_VEH_24) %>% 
  column_to_rownames("Geneid") %>% 
  as.matrix() %>% 
 cpm(., log = TRUE) 

NR_ac <- readRDS("data/Final_four_data/H3K27ac_files/NR_23s.RDS")

ESR_ac <- readRDS("data/Final_four_data/H3K27ac_files/ESR_23s.RDS")

EAR_ac <- readRDS("data/Final_four_data/H3K27ac_files/EAR_23s.RDS")

LR_ac <- readRDS("data/Final_four_data/H3K27ac_files/LR_23s.RDS")

set.seed(31415)
sample_peaks <- rbind(
  "NR_1"=sample_n(NR_ac,size = 2),
  "ESR_2"=sample_n(ESR_ac,size=2),
  "EAR_3"=sample_n(EAR_ac,size=2),
  "LR_4"=sample_n(LR_ac, size=2)) 
sample_peaks_choice <- sample_peaks %>% 
  dplyr::filter(rownames(.)=="NR_1.2"|
                  rownames(.)=="ESR_2.1"|
                  rownames(.)=="EAR_3.1"|
                  rownames(.)=="LR_4.1")
lcpm_h3_23s%>% 
  as.data.frame() %>% 
  rownames_to_column("Peakid")%>% 
  dplyr::filter(Peakid %in% sample_peaks_choice$Peakid) %>%
  pivot_longer(., cols = !Peakid, names_to = "samples",values_to = "logcpm") %>% 
  separate_wider_delim(., samples, delim = "_",names=c("ind","trt","time"), cols_remove = FALSE) %>% 
  left_join(., (sample_peaks %>% 
              rownames_to_column("cluster") %>% 
              dplyr::select(cluster,Peakid)),
            by=c("Peakid"="Peakid")) %>% 
  mutate(trt=factor(trt, levels = c("DOX","EPI","DNR","MTX","TRZ", "VEH")),
         time= factor(time, levels = c("3","24"))) %>% 
  ggplot(aes(x=time,y=logcpm))+
  geom_boxplot(aes(fill=trt))+
  # geom_point(aes(color=ind))+
  facet_wrap(~Peakid+cluster,scales="free_y", nrow=4, ncol=2)+
  ggtitle(" H3K27ac acetylation")+
  scale_fill_manual(values = drug_pal)+
  theme_bw()+
  ylab("log2 cpm H3K27ac")

Version Author Date
77a569b E. Renee Matthews 2025-02-27

Figure S16: Shared ATAC and H3K27-acetylation region response to TOP2i clusters by time.

toplist_atac_lfc <- readRDS("data/Final_four_data/toplist_ff.RDS") 

hr3_ATAC <- toplist_atac_lfc %>% 
  dplyr::select(trt:logFC) %>% 
  dplyr::filter(time=="3 hours") %>% 
  pivot_wider(., id_cols = c("peak"),names_from = trt,values_from = logFC) %>% 
   dplyr::rename(DOX_3_ATAC=DOX, DNR_3_ATAC=DNR,EPI_3_ATAC=EPI,MTX_3_ATAC=MTX, TRZ_3_ATAC=TRZ)

hr24_ATAC <- toplist_atac_lfc %>% 
  dplyr::select(trt:logFC) %>% 
  dplyr::filter(time=="24 hours") %>% 
  pivot_wider(., id_cols = c("peak"),names_from = trt,values_from = logFC) %>% 
   dplyr::rename(DOX_24_ATAC=DOX, DNR_24_ATAC=DNR,EPI_24_ATAC=EPI,MTX_24_ATAC=MTX, TRZ_24_ATAC=TRZ)

ATAC_LFC_df <- hr3_ATAC %>% 
  left_join(., hr24_ATAC, by=c("peak"="peak")) %>%
   dplyr::select(peak:MTX_3_ATAC,DNR_24_ATAC:MTX_24_ATAC)

toplist_ac_lfc <- readRDS("data/Final_four_data/toplist_ac_lfc.RDS")

hr3_K27 <- toplist_ac_lfc %>% 
  dplyr::filter(time=="3") %>% 
  dplyr::select(Peakid:logFC) %>% 
  ###something weird in peaknames... additional numbers? so I will remove them
   mutate(Peakid=str_replace(Peakid, "\\.\\.\\.[0=9]*","/")) %>% 
  separate(Peakid, into=c("Geneid",NA),sep="/") %>% 
  pivot_wider(., id_cols=c(Geneid), names_from = "trt", values_from = "logFC") %>% 
  dplyr::rename(DOX_3_K27=DOX, DNR_3_K27=DNR,EPI_3_K27=EPI,MTX_3_K27=MTX) 

hr24_K27 <- toplist_ac_lfc %>% 
  dplyr::filter(time=="24") %>% 
  dplyr::select(Peakid:logFC) %>% 
  ###something weird in peaknames... additional numbers? so I will remove them
   mutate(Peakid=str_replace(Peakid, "\\.\\.\\.[0=9]*","/")) %>% 
  separate(Peakid, into=c("Geneid",NA),sep="/") %>% 
  pivot_wider(., id_cols=c(Geneid), names_from = "trt", values_from = "logFC") %>% 
  dplyr::rename(DOX_24_K27=DOX, DNR_24_K27=DNR,EPI_24_K27=EPI,MTX_24_K27=MTX)


K27_LFC_df <- hr3_K27 %>% 
  left_join(., hr24_K27, by=c("Geneid"="Geneid"))  



overlap_df_ggplot <- readRDS("data/Final_four_data/LFC_ATAC_K27ac.RDS") %>% 
  dplyr::select(peakid,Geneid) %>% 
  left_join(.,ATAC_LFC_df, by=c("peakid"="peak")) %>% 
  left_join(.,K27_LFC_df, by= c("Geneid"="Geneid"))
 
counts_corr <-
  overlap_df_ggplot %>% 
    tidyr::unite(.,"name",peakid,Geneid,sep="_") %>% 
  column_to_rownames("name") %>% 
  cor()
ComplexHeatmap::Heatmap(counts_corr)

Version Author Date
77a569b E. Renee Matthews 2025-02-27

Figure S17: Shared accessible and H3K27-acetylated chromatin regions have a significant correlation with nearby gene expression at 24 hours.

RNA_ATAC_overlap_df_ggplot <- readRDS("data/Final_four_data/LFC_ATAC_K27ac.RDS") %>% 
  dplyr::select(peakid,Geneid)
Collapsed_new_peaks <- read_delim("data/Final_four_data/collapsed_new_peaks.txt", delim = "\t", col_names = TRUE)

RNA_median_3_lfc <- readRDS("data/other_papers/RNA_median_3_lfc.RDS")
RNA_median_24_lfc <- readRDS("data/other_papers/RNA_median_24_lfc.RDS")
overlap_df_ggplot <- readRDS("data/Final_four_data/LFC_ATAC_K27ac.RDS")

ATAC_median_24_lfc <- read_csv("data/Final_four_data/median_24_lfc.csv") 
ATAC_median_3_lfc <- read_csv("data/Final_four_data/median_3_lfc.csv")

anti_joined_lfc <- ATAC_median_24_lfc %>% 
  dplyr::filter(!peak %in% RNA_ATAC_overlap_df_ggplot$peakid)  %>% 
  left_join(., (Collapsed_new_peaks %>% dplyr::select(Peakid, NCBI_gene:dist_to_NG)), by = c("peak"="Peakid")) %>% 
  left_join(.,ATAC_median_3_lfc,by = c("peak"="peak")) %>% 
  left_join(., RNA_median_3_lfc ,
                by=c("SYMBOL"="SYMBOL", "NCBI_gene"="ENTREZID")) %>%
  left_join(., RNA_median_24_lfc,
                 by=c("SYMBOL"="SYMBOL", "NCBI_gene"="ENTREZID")) 

joined_LFC_df <-
RNA_ATAC_overlap_df_ggplot %>%
  left_join(.,(Collapsed_new_peaks %>%
                 dplyr::select(Peakid,dist_to_NG, NCBI_gene:SYMBOL)),
            by=c("peakid"="Peakid")) %>% 
  left_join(., RNA_median_3_lfc ,
                 by=c("SYMBOL"="SYMBOL", "NCBI_gene"="ENTREZID")) %>%
  left_join(., RNA_median_24_lfc,
             by=c("SYMBOL"="SYMBOL", "NCBI_gene"="ENTREZID")) %>% 
  left_join(.,ATAC_median_3_lfc,by = c("peakid"="peak")) %>%
  left_join(.,ATAC_median_24_lfc,by = c("peakid"="peak")) %>% 
  dplyr::filter(dist_to_NG > -2000| dist_to_NG <2000)

 
joined_LFC_df %>% 
dplyr::filter(dist_to_NG>-2000 & dist_to_NG<2000) %>% 
  ggplot(., aes(x=med_3h_lfc,y=RNA_3h_lfc))+
   geom_point()+
   sm_statCorr(corr_method = 'pearson')+
  ggtitle("Correlation of shared 2kb H3K27ac peaks and ATAC_peaks at 3 hours")+
  ylab("H3K27ac peak LFC")+
   xlab("ATAC-seq log FC")

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77a569b E. Renee Matthews 2025-02-27
joined_LFC_df %>% 
dplyr::filter(dist_to_NG>-2000 & dist_to_NG<2000) %>% 
  ggplot(., aes(x=med_24h_lfc,y=RNA_24h_lfc))+
   geom_point()+
   sm_statCorr(corr_method = 'pearson')+
  ggtitle("Correlation of shared 2kb H3K27ac peaks and ATAC_peaks at 24 hours")+
  ylab("H3K27ac peak LFC")+
   xlab("ATAC-seq log FC")

Version Author Date
77a569b E. Renee Matthews 2025-02-27
 anti_joined_lfc %>% 
 dplyr::filter(dist_to_NG>-2000 & dist_to_NG<2000) %>% 
   # dplyr::filter(peak %in% ATAC_LFC_df$peak) %>% 
  ggplot(., aes(x=med_3h_lfc,y=RNA_3h_lfc))+
   geom_point()+
   sm_statCorr(corr_method = 'pearson')+
  ggtitle("ATAC-seq regions without H3K27ac overlap at 3 hours")+
  ylab("RNA expression LFC")+
   xlab("ATAC-seq log FC")

Version Author Date
77a569b E. Renee Matthews 2025-02-27
 anti_joined_lfc %>% 
  dplyr::filter(dist_to_NG>-2000 & dist_to_NG<2000) %>% 
ggplot(., aes(x=med_24h_lfc,y=RNA_24h_lfc))+
   geom_point()+
   sm_statCorr(corr_method = 'pearson')+
   ggtitle("Correlation of ATAC peaks not shared with H3K27ac and RNA-NG at 24 hours")+
  xlab("ATAC peak LFC")+
   ylab("RNA LFC")

Version Author Date
77a569b E. Renee Matthews 2025-02-27

Figure S18: Drug response associates with time and molecular phenotype.

toplistall_RNA <- readRDS("data/other_papers/toplistall_RNA.RDS") 
toplistall_RNA <- toplistall_RNA %>% 
  mutate(logFC = logFC*(-1))

hr3_RNA <- toplistall_RNA %>% 
  dplyr::select(time:logFC) %>% 
  dplyr::filter(time=="3_hours") %>% 
  pivot_wider(., id_cols=c(ENTREZID,SYMBOL), names_from = id, values_from = logFC) %>% 
  dplyr::rename(DOX_3_RNA=DOX, DNR_3_RNA=DNR,EPI_3_RNA=EPI,MTX_3_RNA=MTX, TRZ_3_RNA=TRZ)
  

hr24_RNA <- toplistall_RNA %>% 
  dplyr::select(time:logFC) %>% 
  dplyr::filter(time=="24_hours") %>% 
  pivot_wider(., id_cols=c(ENTREZID,SYMBOL), names_from = id, values_from = logFC) %>% 
  dplyr::rename(DOX_24_RNA=DOX, DNR_24_RNA=DNR,EPI_24_RNA=EPI,MTX_24_RNA=MTX, TRZ_24_RNA=TRZ)
RNA_LFC_df <- hr3_RNA %>% 
  left_join(., hr24_RNA, by=c("SYMBOL"="SYMBOL","ENTREZID"="ENTREZID")) %>% 
  dplyr::select(ENTREZID:MTX_3_RNA,DNR_24_RNA:MTX_24_RNA)



combo_lfc <- readRDS("data/Final_four_data/LFC_ATAC_K27ac.RDS") %>% 
  dplyr::select(peakid,Geneid) %>% 
  left_join(.,ATAC_LFC_df, by=c("peakid"="peak")) %>% 
  left_join(.,K27_LFC_df, by= c("Geneid"="Geneid"))

combo_corr <- combo_lfc %>% 
  left_join(.,(Collapsed_new_peaks %>% 
  dplyr::select(Peakid, NCBI_gene,SYMBOL)), by=c("peakid"="Peakid")) %>% 
  left_join(., RNA_LFC_df, by=c("SYMBOL"="SYMBOL","NCBI_gene"="ENTREZID")) %>% 
  tidyr::unite(., "name",peakid,Geneid,NCBI_gene,SYMBOL,sep = "_") %>% 
  column_to_rownames("name") %>% 
  na.omit() %>% 
  cor()
ComplexHeatmap::Heatmap(combo_corr)

Version Author Date
77a569b E. Renee Matthews 2025-02-27

Figure S19: Expressed genes near SNP-containing drug-responsive chromatin regions reflect chromatin accessibility changes.

Figure S19A: PRDX6 RNA expression

drug_pal <- c("#8B006D","#DF707E","#F1B72B", "#3386DD","#707031","#41B333")
PRDX6_info <- Collapsed_new_peaks %>% dplyr::filter(SYMBOL=="PRDX6") %>% 
  distinct(NCBI_gene,SYMBOL)

RNA_counts <- readRDS("data/other_papers/cpmcount.RDS") %>%
  dplyr::rename_with(.,~gsub(pattern="Da",replacement="DNR",.)) %>% 
 dplyr::rename_with(.,~gsub(pattern="Do",replacement="DOX",.)) %>% 
  dplyr::rename_with(.,~gsub(pattern="Ep",replacement="EPI",.)) %>% 
   dplyr::rename_with(.,~gsub(pattern="Mi",replacement="MTX",.)) %>% 
    dplyr::rename_with(.,~gsub(pattern="Tr",replacement="TRZ",.)) %>% 
       dplyr::rename_with(.,~gsub(pattern="Ve",replacement="VEH",.)) %>% 
  rownames_to_column("ENTREZID") 


RNA_counts %>% 
  dplyr::filter(ENTREZID == PRDX6_info$NCBI_gene) %>% 
  pivot_longer(cols = !ENTREZID, names_to = "sample", values_to = "counts") %>% 
  left_join(., PRDX6_info, by =c("ENTREZID"="NCBI_gene")) %>% 
  separate("sample", into = c("trt","ind","time")) %>% 
  mutate(time=factor(time, levels = c("3h","24h"))) %>% 
  mutate(trt=factor(trt, levels= c("DOX","EPI","DNR","MTX","TRZ","VEH"))) %>% 
  ggplot(., aes (x = time, y=counts))+
  geom_boxplot(aes(fill=trt))+
  facet_wrap(~SYMBOL, scales="free_y")+
  ggtitle("RNA log 2 cpm of expressed gene")+
    scale_fill_manual(values = drug_pal)+
  theme_bw()+
  ylab("log2 cpm RNA")

Version Author Date
77a569b E. Renee Matthews 2025-02-27

Figure S19B: PRUNE2 RNA expression

PRUNE2_info <- Collapsed_new_peaks %>% dplyr::filter(SYMBOL=="PRUNE2") %>% 
  distinct(NCBI_gene,SYMBOL)


RNA_counts %>% 
  dplyr::filter(ENTREZID == PRUNE2_info$NCBI_gene) %>% 
  pivot_longer(cols = !ENTREZID, names_to = "sample", values_to = "counts") %>% 
  left_join(., PRUNE2_info, by =c("ENTREZID"="NCBI_gene")) %>% 
  separate("sample", into = c("trt","ind","time")) %>% 
  mutate(time=factor(time, levels = c("3h","24h"))) %>% 
  mutate(trt=factor(trt, levels= c("DOX","EPI","DNR","MTX","TRZ","VEH"))) %>% 
  ggplot(., aes (x = time, y=counts))+
  geom_boxplot(aes(fill=trt))+
  facet_wrap(~SYMBOL, scales="free_y")+
  ggtitle("RNA log 2 cpm of expressed gene")+
    scale_fill_manual(values = drug_pal)+
  theme_bw()+
  ylab("log2 cpm RNA")

Version Author Date
77a569b E. Renee Matthews 2025-02-27

sessionInfo()
R version 4.4.2 (2024-10-31 ucrt)
Platform: x86_64-w64-mingw32/x64
Running under: Windows 11 x64 (build 26100)

Matrix products: default


locale:
[1] LC_COLLATE=English_United States.utf8 
[2] LC_CTYPE=English_United States.utf8   
[3] LC_MONETARY=English_United States.utf8
[4] LC_NUMERIC=C                          
[5] LC_TIME=English_United States.utf8    

time zone: America/Chicago
tzcode source: internal

attached base packages:
[1] grid      stats4    stats     graphics  grDevices utils     datasets 
[8] methods   base     

other attached packages:
 [1] eulerr_7.0.2                            
 [2] vargen_0.2.3                            
 [3] devtools_2.4.5                          
 [4] usethis_3.1.0                           
 [5] readxl_1.4.5                            
 [6] smplot2_0.2.5                           
 [7] cowplot_1.1.3                           
 [8] ComplexHeatmap_2.22.0                   
 [9] ggrepel_0.9.6                           
[10] plyranges_1.26.0                        
[11] ggsignif_0.6.4                          
[12] genomation_1.38.0                       
[13] edgeR_4.4.2                             
[14] limma_3.62.2                            
[15] ggpubr_0.6.0                            
[16] BiocParallel_1.40.0                     
[17] ggVennDiagram_1.5.2                     
[18] scales_1.3.0                            
[19] VennDiagram_1.7.3                       
[20] futile.logger_1.4.3                     
[21] gridExtra_2.3                           
[22] ggfortify_0.4.17                        
[23] rtracklayer_1.66.0                      
[24] org.Hs.eg.db_3.20.0                     
[25] TxDb.Hsapiens.UCSC.hg38.knownGene_3.20.0
[26] GenomicFeatures_1.58.0                  
[27] AnnotationDbi_1.68.0                    
[28] Biobase_2.66.0                          
[29] GenomicRanges_1.58.0                    
[30] GenomeInfoDb_1.42.3                     
[31] IRanges_2.40.1                          
[32] S4Vectors_0.44.0                        
[33] BiocGenerics_0.52.0                     
[34] ChIPseeker_1.42.1                       
[35] RColorBrewer_1.1-3                      
[36] broom_1.0.7                             
[37] kableExtra_1.4.0                        
[38] lubridate_1.9.4                         
[39] forcats_1.0.0                           
[40] stringr_1.5.1                           
[41] dplyr_1.1.4                             
[42] purrr_1.0.4                             
[43] readr_2.1.5                             
[44] tidyr_1.3.1                             
[45] tibble_3.2.1                            
[46] ggplot2_3.5.1                           
[47] tidyverse_2.0.0                         
[48] workflowr_1.7.1                         

loaded via a namespace (and not attached):
  [1] fs_1.6.5                               
  [2] matrixStats_1.5.0                      
  [3] bitops_1.0-9                           
  [4] enrichplot_1.26.6                      
  [5] httr_1.4.7                             
  [6] doParallel_1.0.17                      
  [7] profvis_0.4.0                          
  [8] tools_4.4.2                            
  [9] backports_1.5.0                        
 [10] R6_2.6.1                               
 [11] mgcv_1.9-1                             
 [12] lazyeval_0.2.2                         
 [13] GetoptLong_1.0.5                       
 [14] urlchecker_1.0.1                       
 [15] withr_3.0.2                            
 [16] preprocessCore_1.68.0                  
 [17] cli_3.6.4                              
 [18] formatR_1.14                           
 [19] Cormotif_1.52.0                        
 [20] labeling_0.4.3                         
 [21] sass_0.4.9                             
 [22] Rsamtools_2.22.0                       
 [23] systemfonts_1.2.1                      
 [24] yulab.utils_0.2.0                      
 [25] foreign_0.8-88                         
 [26] DOSE_4.0.0                             
 [27] svglite_2.1.3                          
 [28] R.utils_2.13.0                         
 [29] sessioninfo_1.2.3                      
 [30] plotrix_3.8-4                          
 [31] BSgenome_1.74.0                        
 [32] pwr_1.3-0                              
 [33] rstudioapi_0.17.1                      
 [34] impute_1.80.0                          
 [35] RSQLite_2.3.9                          
 [36] generics_0.1.3                         
 [37] gridGraphics_0.5-1                     
 [38] TxDb.Hsapiens.UCSC.hg19.knownGene_3.2.2
 [39] shape_1.4.6.1                          
 [40] BiocIO_1.16.0                          
 [41] vroom_1.6.5                            
 [42] gtools_3.9.5                           
 [43] car_3.1-3                              
 [44] GO.db_3.20.0                           
 [45] Matrix_1.7-3                           
 [46] abind_1.4-8                            
 [47] R.methodsS3_1.8.2                      
 [48] lifecycle_1.0.4                        
 [49] whisker_0.4.1                          
 [50] yaml_2.3.10                            
 [51] carData_3.0-5                          
 [52] SummarizedExperiment_1.36.0            
 [53] gplots_3.2.0                           
 [54] qvalue_2.38.0                          
 [55] SparseArray_1.6.2                      
 [56] blob_1.2.4                             
 [57] promises_1.3.2                         
 [58] crayon_1.5.3                           
 [59] miniUI_0.1.1.1                         
 [60] ggtangle_0.0.6                         
 [61] lattice_0.22-6                         
 [62] KEGGREST_1.46.0                        
 [63] magick_2.8.5                           
 [64] pillar_1.10.1                          
 [65] knitr_1.49                             
 [66] fgsea_1.32.2                           
 [67] rjson_0.2.23                           
 [68] boot_1.3-31                            
 [69] codetools_0.2-20                       
 [70] fastmatch_1.1-6                        
 [71] glue_1.8.0                             
 [72] getPass_0.2-4                          
 [73] ggfun_0.1.8                            
 [74] remotes_2.5.0                          
 [75] data.table_1.17.0                      
 [76] vctrs_0.6.5                            
 [77] png_0.1-8                              
 [78] treeio_1.30.0                          
 [79] cellranger_1.1.0                       
 [80] gtable_0.3.6                           
 [81] cachem_1.1.0                           
 [82] xfun_0.51                              
 [83] mime_0.12                              
 [84] S4Arrays_1.6.0                         
 [85] iterators_1.0.14                       
 [86] statmod_1.5.0                          
 [87] ellipsis_0.3.2                         
 [88] nlme_3.1-167                           
 [89] ggtree_3.14.0                          
 [90] bit64_4.6.0-1                          
 [91] rprojroot_2.0.4                        
 [92] bslib_0.9.0                            
 [93] affyio_1.76.0                          
 [94] rpart_4.1.24                           
 [95] KernSmooth_2.23-26                     
 [96] colorspace_2.1-1                       
 [97] DBI_1.2.3                              
 [98] Hmisc_5.2-2                            
 [99] nnet_7.3-20                            
[100] seqPattern_1.38.0                      
[101] tidyselect_1.2.1                       
[102] processx_3.8.6                         
[103] bit_4.6.0                              
[104] compiler_4.4.2                         
[105] curl_6.2.1                             
[106] git2r_0.35.0                           
[107] htmlTable_2.4.3                        
[108] xml2_1.3.7                             
[109] DelayedArray_0.32.0                    
[110] checkmate_2.3.2                        
[111] caTools_1.18.3                         
[112] affy_1.84.0                            
[113] callr_3.7.6                            
[114] digest_0.6.37                          
[115] rmarkdown_2.29                         
[116] XVector_0.46.0                         
[117] htmltools_0.5.8.1                      
[118] pkgconfig_2.0.3                        
[119] base64enc_0.1-3                        
[120] MatrixGenerics_1.18.1                  
[121] fastmap_1.2.0                          
[122] htmlwidgets_1.6.4                      
[123] rlang_1.1.5                            
[124] GlobalOptions_0.1.2                    
[125] UCSC.utils_1.2.0                       
[126] shiny_1.10.0                           
[127] farver_2.1.2                           
[128] jquerylib_0.1.4                        
[129] zoo_1.8-13                             
[130] jsonlite_1.9.1                         
[131] GOSemSim_2.32.0                        
[132] R.oo_1.27.0                            
[133] RCurl_1.98-1.16                        
[134] magrittr_2.0.3                         
[135] Formula_1.2-5                          
[136] GenomeInfoDbData_1.2.13                
[137] ggplotify_0.1.2                        
[138] patchwork_1.3.0                        
[139] munsell_0.5.1                          
[140] Rcpp_1.0.14                            
[141] ape_5.8-1                              
[142] stringi_1.8.4                          
[143] zlibbioc_1.52.0                        
[144] pkgbuild_1.4.6                         
[145] plyr_1.8.9                             
[146] parallel_4.4.2                         
[147] Biostrings_2.74.1                      
[148] splines_4.4.2                          
[149] hms_1.1.3                              
[150] circlize_0.4.16                        
[151] locfit_1.5-9.12                        
[152] ps_1.9.0                               
[153] igraph_2.1.4                           
[154] pkgload_1.4.0                          
[155] reshape2_1.4.4                         
[156] futile.options_1.0.1                   
[157] XML_3.99-0.18                          
[158] evaluate_1.0.3                         
[159] BiocManager_1.30.25                    
[160] lambda.r_1.2.4                         
[161] tzdb_0.4.0                             
[162] foreach_1.5.2                          
[163] httpuv_1.6.15                          
[164] clue_0.3-66                            
[165] gridBase_0.4-7                         
[166] xtable_1.8-4                           
[167] restfulr_0.0.15                        
[168] tidytree_0.4.6                         
[169] rstatix_0.7.2                          
[170] later_1.4.1                            
[171] viridisLite_0.4.2                      
[172] aplot_0.2.5                            
[173] memoise_2.0.1                          
[174] GenomicAlignments_1.42.0               
[175] cluster_2.1.8.1                        
[176] timechange_0.3.0