Last updated: 2021-03-29

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Knit directory: liver-disease-atlas/

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Introduction

Here we generate publication-ready plots for the comparison of chronic and acute mouse models.

Libraries and sources

These libraries and sources are used for this analysis.

library(tidyverse)
library(tidylog)
library(here)

library(AachenColorPalette)
library(VennDiagram)
library(scales)
library(lemon)
library(ComplexHeatmap)
library(ggwordcloud)
library(circlize)
library(patchwork)

source(here("code/utils-plots.R"))
source(here("code/utils-utils.R"))

Definition of global variables and functions that are used throughout this analysis.

# i/o
data_path <- "data/meta-chronic-vs-acute"
output_path <- "output/meta-chronic-vs-acute"

# graphical parameters
# fontsize
fz <- 7
# color function for heatmaps
col_fun <- colorRamp2(
  c(-4, 0, 4),
  c(aachen_color("blue"), "white", aachen_color("red"))
)

# keys to annotate contrasts
key_mm <- readRDS(here("data/meta-chronic-vs-acute/contrast_annotation.rds"))

Time point of maximal liver damage

keys <- key_mm %>%
  filter(class == "Acute" & treatment_abbr %in% c("CCl4", "APAP", "PH")) %>%
  distinct(time = value, label = time_label2, treatment_abbr) %>%
  drop_na() %>%
  add_row(time = 0, label = "Control", treatment_abbr = "CCl4") %>%
  add_row(time = 0, label = "Control", treatment_abbr = "APAP") %>%
  add_row(time = 0, label = "Control", treatment_abbr = "PH") %>%
  mutate(time = ordered(time))

pca_dist <- readRDS(here(output_path, "pca_dist.rds")) %>%
  inner_join(keys, by = c("time", "treatment_abbr")) %>%
  arrange(time) %>%
  mutate(label = fct_inorder(label))

max_liver_damage <- pca_dist %>%
  ggplot(aes(x = label, y = dist, fill = max)) +
  geom_col() +
  my_theme(grid = "y", fsize = fz) +
  scale_fill_manual(values = aachen_color(c("black50", "green"))) +
  labs(
    x = NULL,
    y = "Absolute mean distance to control along PC1"
  ) +
  theme(
    legend.position = "none",
    axis.text.x = element_text(angle = 45, hjust = 1)
  ) +
  facet_rep_wrap(~treatment_abbr, scales = "free")

max_liver_damage

Version Author Date
3340593 christianholland 2021-02-28

Similarity of acute gene sets

keys <- key_mm %>%
  distinct(contrast, label = label2)

j <- readRDS(here(output_path, "gene_set_similarity.rds")) %>%
  filter(top_n_genes == 500) %>%
  separate(set1, into = c("tmp1", "tmp2", "tmp3", "contrast"), sep = "-") %>%
  select(-starts_with("tmp")) %>%
  inner_join(keys, by = "contrast") %>%
  rename(set1 = label) %>%
  select(-contrast) %>%
  separate(set2, into = c("tmp1", "tmp2", "tmp3", "contrast"), sep = "-") %>%
  select(-starts_with("tmp")) %>%
  inner_join(keys, by = "contrast") %>%
  rename(set2 = label) %>%
  select(-c(contrast))

acute_gs_sim <- j %>%
  mutate(set1 = fct_rev(set1)) %>%
  ggplot(aes(
    x = set1, y = set2, fill = similarity,
    label = round(similarity, 3)
  )) +
  geom_tile(color = "black", size = 0.2) +
  scale_fill_gradient(low = "white", high = aachen_color("green")) +
  labs(x = NULL, y = NULL, fill = "Jaccard\nIndex") +
  theme(
    axis.text.x = element_text(angle = 45, hjust = 1),
    axis.line = element_blank(),
    axis.ticks = element_blank()
  ) +
  geom_text(size = (fz - 2) / (14 / 5)) +
  my_theme(grid = "no", fsize = fz)

acute_gs_sim

Version Author Date
3340593 christianholland 2021-02-28

Interstudy enrichment of acute studies

keys <- key_mm %>%
  distinct(contrast, label = label2)

gsea_res <- readRDS(here(output_path, "interstudy_enrichment.rds")) %>%
  filter(top_n_genes == 500) %>%
  separate(signature,
    into = c("tmp1", "tmp2", "tmp3", "contrast"),
    sep = "-"
  ) %>%
  select(-starts_with("tmp")) %>%
  inner_join(keys, by = "contrast") %>%
  rename(signature = label) %>%
  select(-contrast) %>%
  separate(geneset, into = c("tmp1", "tmp2", "tmp3", "contrast"), sep = "-") %>%
  select(-starts_with("tmp")) %>%
  inner_join(keys, by = "contrast") %>%
  rename(geneset = label) %>%
  select(-contrast)

acute_interstudy_enrichment <- gsea_res %>%
  mutate(direction = fct_rev(str_to_title(direction))) %>%
  mutate(label = gtools::stars.pval(padj)) %>%
  ggplot(aes(x = signature, y = geneset, fill = ES)) +
  geom_tile() +
  geom_text(aes(label = label), size = fz / (14 / 5), vjust = 1) +
  facet_wrap(~direction, ncol = 1) +
  theme(
    axis.text.x = element_text(angle = 45, hjust = 1),
    axis.line = element_blank(),
    axis.ticks = element_blank()
  ) +
  scale_fill_gradient2(
    low = aachen_color("blue"), mid = "white",
    high = aachen_color("red")
  ) +
  my_theme(grid = "no", fsize = fz) +
  labs(x = "Signature", y = "Gene Set", fill = "ES") +
  guides(fill = guide_colorbar(title = "ES"))

acute_interstudy_enrichment

Version Author Date
3340593 christianholland 2021-02-28

Union of acute and chronic genes

keys <- key_mm %>%
  distinct(contrast, label = label2)

c <- readRDS(here(output_path, "chronic_gene_pool.rds"))
a <- readRDS(here(output_path, "acute_gene_pool.rds"))

df <- bind_rows(c, a) %>%
  inner_join(keys, by = "contrast") %>%
  mutate(
    statistic = case_when(
      statistic >= 25 ~ 25,
      TRUE ~ statistic
    ),

    class = str_to_title(class)
  )

union_a <- df %>%
  filter(class == "Acute") %>%
  ggplot(aes(x = label, y = fct_reorder(gene, statistic, mean))) +
  geom_tile(aes(fill = statistic)) +
  theme(
    axis.text.x = element_text(angle = 90, hjust = 1, vjust = 0.5),
    axis.text.y = element_blank(),
    axis.ticks.y = element_blank(),
    legend.position = "none"
  ) +
  labs(y = "Pool of acute genes", x = NULL, fill = "t-statistic") +
  facet_rep_wrap(~class) +
  scale_fill_gradient2(
    low = aachen_color("blue"), mid = "white",
    high = aachen_color("red")
  ) +
  my_theme(grid = "no", fsize = fz)


union_c <- df %>%
  filter(class == "Chronic") %>%
  ggplot(aes(
    x = label, y = fct_reorder(gene, statistic, mean),
    fill = statistic
  )) +
  geom_tile() +
  theme(
    axis.text.x = element_text(angle = 90, hjust = 1, vjust = 0.5),
    axis.text.y = element_blank(),
    axis.ticks.y = element_blank()
  ) +
  labs(y = "Pool of chronic genes", x = NULL, fill = "t-statistic") +
  facet_rep_wrap(~class) +
  scale_fill_gradient2(
    low = aachen_color("blue"), mid = "white",
    high = aachen_color("red")
  ) +
  my_theme(grid = "no", fsize = fz)

union_a +
  union_c +
  plot_layout(widths = c(8, 1))

Version Author Date
3340593 christianholland 2021-02-28

Overlap of unified gene sets

acute_gene_union <- readRDS(here(output_path, "union_acute_geneset.rds")) %>%
  mutate(class = "acute")
chronic_gene_union <- readRDS(here(
  output_path,
  "union_chronic_geneset.rds"
)) %>%
  mutate(class = "chronic")

a1 <- acute_gene_union %>% nrow()
a2 <- chronic_gene_union %>% nrow()
ca <- intersect(
  acute_gene_union %>% pull(gene),
  chronic_gene_union %>% pull(gene)
) %>%
  length()

grid.newpage()
v <- grid.grabExpr(draw.pairwise.venn(
  area1 = a1, area2 = a2, cross.area = ca,
  category = c("Acute", "Chronic"),
  # lty = "blank",
  cex = 1 / 12 * fz,
  fontfamily = rep("sans", 3),
  # fill = aachen_color(c("purple", "petrol")),
  # cat.col = aachen_color(c("purple", "petrol")),
  cat.cex = 1 / 12 * (fz + 1),
  cat.fontfamily = rep("sans", 2),
  cat.pos = c(340, 20),
  cat.just = list(c(0.5, 0), c(0.5, 0))
))

Top exclusive chronic genes

Heatmap

keys <- key_mm %>%
  distinct(contrast, label2)

df <- readRDS(here(output_path, "ranked_exclusive_chronic_genes.rds"))
contrasts <- readRDS(here(output_path, "limma_result.rds"))

acute_contrasts <- c(
  "treat_vs_ctrl",
  "inLiver_lps_vs_ctrl",
  "ccl_8h_vs_0h", "ccl_24h_vs_0h", "ccl_48h_vs_0h",
  "apap_12h_vs_0h", "apap_24h_vs_0h", "apap_48h_vs_0h",
  "ph_0.5d", "ph_1d", "ph_2d",
  "bdl_vs_sham_1d"
)

mat_exclusive_chronic_genes <- df %>%
  filter(rank <= 100) %>%
  left_join(contrasts) %>%
  filter(contrast %in% acute_contrasts | treatment == "pure_ccl4") %>%
  inner_join(keys, by = "contrast") %>%
  mutate(gene = as_factor(gene)) %>%
  select(gene, label2, logFC) %>%
  untdy("gene", "label2", "logFC") %>%
  as.matrix()

exclusive_chronic_hmap <- Heatmap(
  t(mat_exclusive_chronic_genes),
  col = col_fun,
  cluster_rows = T, cluster_columns = T,
  show_row_dend = F,
  row_names_gp = gpar(fontsize = fz), column_names_gp = gpar(fontsize = fz - 2),
  name = "logFC",
  heatmap_legend_param = list(
    title_gp = gpar(
      fontface = "plain",
      fontsize = fz + 1
    ),
    labels_gp = gpar(fontsize = fz)
  ),
  row_gap = unit(2.5, "mm"),
  border = T,
  row_split = c(rep("Acute", 12), rep("Chronic", 3)),
  row_title_gp = gpar(fontsize = fz + 1)
)

exclusive_chronic_hmap

Version Author Date
3340593 christianholland 2021-02-28

Characteriatzion via TFs

ora_res <- readRDS(here(
  output_path,
  "exclusive_genes_characterization.rds"
)) %>%
  filter(group %in% c("dorothea") & fdr <= 0.2) %>%
  filter(class == "chronic") %>%
  mutate(regulation = str_to_title(regulation))

chronic_tfs_up <- ora_res %>%
  filter(regulation == "Up") %>%
  filter(geneset %in% c("Hif1a", "Klf5")) %>%
  ggplot(aes(x = fct_reorder(geneset, p.value), y = -log10(p.value))) +
  geom_col() +
  geom_text(aes(label = geneset),
    color = "white", angle = 90, hjust = 1.5,
    size = fz / (14 / 5)
  ) +
  theme(axis.text.x = element_blank()) +
  labs(x = "TF", y = expression(-log["10"] * "(p-value)")) +
  my_theme(grid = "y", fsize = fz) +
  facet_rep_wrap(~regulation)

chronic_tfs_down <- ora_res %>%
  filter(regulation == "Down") %>%
  slice_min(order_by = p.value, n = 3) %>%
  ggplot(aes(x = fct_reorder(geneset, p.value), y = -log10(p.value))) +
  geom_col() +
  geom_text(aes(label = geneset),
    color = "white", angle = 90, hjust = 1.5,
    size = fz / (14 / 5)
  ) +
  theme(axis.text.x = element_blank()) +
  labs(x = "TF", y = expression(-log["10"] * "(p-value)")) +
  my_theme(grid = "y", fsize = fz) +
  facet_rep_wrap(~regulation)

chronic_tfs_up + chronic_tfs_down

Version Author Date
3340593 christianholland 2021-02-28

Characteriatzion via pathways

ora_res <- readRDS(here(
  output_path,
  "exclusive_genes_characterization.rds"
)) %>%
  filter(group %in% c("progeny") & fdr <= 0.2) %>%
  filter(class == "chronic") %>%
  mutate(regulation = str_to_title(regulation))

chronic_pw_up <- ora_res %>%
  filter(regulation == "Up") %>%
  filter(geneset %in% c("TGFb")) %>%
  ggplot(aes(x = fct_reorder(geneset, p.value), y = -log10(p.value))) +
  geom_col() +
  geom_text(aes(label = geneset),
    color = "white", angle = 90, hjust = 1.5,
    size = fz / (14 / 5)
  ) +
  theme(axis.text.x = element_blank()) +
  labs(x = "Pathway", y = expression(-log["10"] * "(p-value)")) +
  my_theme(grid = "y", fsize = fz) +
  facet_rep_wrap(~regulation)

chronic_pw_up

Version Author Date
3340593 christianholland 2021-02-28

Characterization via GO terms

# get wordcounts for go terms
wordcounts <- readRDS(here(output_path, "go_wordcounts.rds")) %>%
  filter(class == "chronic")

# get ranking of go clusters
cluster_ranking <- readRDS(here(output_path, "go_cluster_ranking.rds")) %>%
  filter(class == "chronic") %>%
  group_by(cluster, class) %>%
  mutate(label = str_c(n(), " ", "GO terms")) %>%
  ungroup() %>%
  mutate(regulation = fct_rev(str_to_title(regulation))) %>%
  arrange(desc(cluster)) %>%
  mutate(description = fct_rev(as_factor(description)))

cluster_anno <- cluster_ranking %>%
  nest(data = c(rank, term)) %>%
  # find max peak for each cluster
  mutate(peak = data %>% map(function(data) {
    max(density(data$rank)$y)
  })) %>%
  unnest(c(peak)) %>%
  group_by(regulation) %>%
  mutate(max_peak = max(peak)) %>%
  ungroup() %>%
  distinct(
    cluster, regulation, description, peak, max_peak, max_rank,
    label
  ) %>%
  arrange(description) %>%
  group_by(regulation) %>%
  mutate(n_clusters = row_number()) %>%
  mutate(x_coord = case_when(
    n_clusters == 1 ~ 0,
    n_clusters == 2 ~ 1 * max_rank
  )) %>%
  ungroup()

# up-regulated genes
up_dens <- cluster_ranking %>%
  filter(regulation == "Up") %>%
  plot_go_rank_density() +
  my_theme(grid = "no", fsize = fz) +
  geom_text(
    data = filter(cluster_anno, regulation == "Up"),
    aes(x = x_coord, y = 1.1 * max_peak, label = label, color = description),
    inherit.aes = F, size = fz / (14 / 5), hjust = "inward",
    show.legend = F
  ) +
  scale_color_manual(values = aachen_color(c("petrol", "orange"))) +
  guides(color = guide_legend(nrow = 2)) +
  theme(legend.box.margin = margin(-10, 0, -20, 0))

up_cloud <- wordcounts %>%
  filter(regulation == "up") %>%
  slice_max(order_by = n, n = 15) %>%
  plot_wordcloud(fontsize = fz)

exclusive_chronic_up <- up_dens +
  inset_element(up_cloud,
    left = 0, bottom = 0, right = 1, top = 1,
    align_to = "panel"
  )

exclusive_chronic_up

Version Author Date
3340593 christianholland 2021-02-28

Top common genes

Heatmap

keys <- key_mm %>%
  distinct(contrast, label2)

df <- readRDS(here(output_path, "ranked_common_genes.rds"))
contrasts <- readRDS(here(output_path, "limma_result.rds"))

acute_contrasts <- c(
  "treat_vs_ctrl",
  "inLiver_lps_vs_ctrl",
  "ccl_8h_vs_0h", "ccl_24h_vs_0h", "ccl_48h_vs_0h",
  "apap_12h_vs_0h", "apap_24h_vs_0h", "apap_48h_vs_0h",
  "ph_0.5d", "ph_1d", "ph_2d",
  "bdl_vs_sham_1d"
)

mat_common_genes <- df %>%
  filter(rank <= 100) %>%
  left_join(contrasts) %>%
  filter(contrast %in% acute_contrasts | treatment == "pure_ccl4") %>%
  inner_join(keys, by = "contrast") %>%
  mutate(gene = as_factor(gene)) %>%
  select(gene, label2, logFC) %>%
  untdy("gene", "label2", "logFC") %>%
  as.matrix()

common_hmap <- Heatmap(
  t(mat_common_genes),
  col = col_fun,
  cluster_rows = T, cluster_columns = T,
  show_row_dend = F,
  row_names_gp = gpar(fontsize = fz), column_names_gp = gpar(fontsize = fz - 2),
  name = "logFC",
  heatmap_legend_param = list(
    title_gp = gpar(
      fontface = "plain",
      fontsize = fz + 1
    ),
    labels_gp = gpar(fontsize = fz)
  ),
  row_gap = unit(2.5, "mm"),
  border = T,
  row_split = c(rep("Acute", 12), rep("Chronic", 3)),
  row_title_gp = gpar(fontsize = fz + 1)
)

common_hmap

Version Author Date
3340593 christianholland 2021-02-28

Characteriatzion via TFs

ora_res <- readRDS(here(
  output_path,
  "exclusive_genes_characterization.rds"
)) %>%
  filter(group %in% c("dorothea") & fdr <= 0.2) %>%
  filter(class == "common") %>%
  mutate(regulation = str_to_title(regulation))

common_tfs_up <- ora_res %>%
  filter(regulation == "Up") %>%
  filter(geneset %in% c("Klf5")) %>%
  ggplot(aes(x = fct_reorder(geneset, p.value), y = -log10(p.value))) +
  geom_col() +
  geom_text(aes(label = geneset),
    color = "white", angle = 90, hjust = 1.5,
    size = fz / (14 / 5)
  ) +
  theme(axis.text.x = element_blank()) +
  labs(x = "TF", y = expression(-log["10"] * "(p-value)")) +
  my_theme(grid = "y", fsize = fz) +
  facet_rep_wrap(~regulation)

common_tfs_down <- ora_res %>%
  filter(regulation == "Down") %>%
  slice_min(order_by = p.value, n = 3) %>%
  ggplot(aes(x = fct_reorder(geneset, p.value), y = -log10(p.value))) +
  geom_col() +
  geom_text(aes(label = geneset),
    color = "white", angle = 90, hjust = 1.5,
    size = fz / (14 / 5)
  ) +
  theme(axis.text.x = element_blank()) +
  labs(x = "TF", y = expression(-log["10"] * "(p-value)")) +
  my_theme(grid = "y", fsize = fz) +
  facet_rep_wrap(~regulation)

common_tfs_up + common_tfs_down

Version Author Date
3340593 christianholland 2021-02-28

Characteriatzion via pathways

ora_res <- readRDS(here(
  output_path,
  "exclusive_genes_characterization.rds"
)) %>%
  filter(group %in% c("progeny") & fdr <= 0.2) %>%
  filter(class == "common") %>%
  mutate(regulation = str_to_title(regulation))

common_pw_up <- ora_res %>%
  filter(regulation == "Up") %>%
  filter(geneset %in% c("NFkB", "TNFa")) %>%
  ggplot(aes(x = fct_reorder(geneset, p.value), y = -log10(p.value))) +
  geom_col() +
  geom_text(aes(label = geneset),
    color = "white", angle = 90, hjust = 1.5,
    size = fz / (14 / 5)
  ) +
  theme(axis.text.x = element_blank()) +
  labs(x = "Pathway", y = expression(-log["10"] * "(p-value)")) +
  my_theme(grid = "y", fsize = fz) +
  facet_rep_wrap(~regulation)

# no common_pw_up

common_pw_up

Version Author Date
3340593 christianholland 2021-02-28

Characterization via GO terms

# get wordcounts for go terms
wordcounts <- readRDS(here(output_path, "go_wordcounts.rds")) %>%
  filter(class == "common")

# get ranking of go clusters
cluster_ranking <- readRDS(here(output_path, "go_cluster_ranking.rds")) %>%
  filter(class == "common") %>%
  group_by(cluster, class) %>%
  mutate(label = str_c(n(), " ", "GO terms")) %>%
  ungroup() %>%
  mutate(regulation = fct_rev(str_to_title(regulation))) %>%
  arrange(desc(cluster)) %>%
  mutate(description = fct_rev(as_factor(description)))

cluster_anno <- cluster_ranking %>%
  nest(data = c(rank, term)) %>%
  # find max peak for each cluster
  mutate(peak = data %>% map(function(data) {
    max(density(data$rank)$y)
  })) %>%
  unnest(c(peak)) %>%
  group_by(regulation) %>%
  mutate(max_peak = max(peak)) %>%
  ungroup() %>%
  distinct(
    cluster, regulation, description, peak, max_peak, max_rank,
    label
  ) %>%
  arrange(description) %>%
  group_by(regulation) %>%
  mutate(n_clusters = row_number()) %>%
  mutate(x_coord = case_when(
    n_clusters == 1 ~ 0,
    n_clusters == 2 ~ 1 * max_rank
  )) %>%
  ungroup()

# up-regulated genes
up_dens <- cluster_ranking %>%
  filter(regulation == "Up") %>%
  plot_go_rank_density() +
  my_theme(grid = "no", fsize = fz) +
  geom_text(
    data = filter(cluster_anno, regulation == "Up"),
    aes(x = x_coord, y = 1.1 * max_peak, label = label, color = description),
    inherit.aes = F, size = fz / (14 / 5), hjust = "inward",
    show.legend = F
  ) +
  scale_color_manual(values = aachen_color("turquoise")) +
  guides(color = guide_legend(nrow = 2)) +
  theme(legend.box.margin = margin(-10, 0, -20, 0))

up_cloud <- wordcounts %>%
  filter(regulation == "up") %>%
  slice_max(order_by = n, n = 15) %>%
  plot_wordcloud(fontsize = fz)

common_up <- up_dens +
  inset_element(up_cloud,
    left = 0, bottom = 0, right = 1, top = 1,
    align_to = "panel"
  )

# down-regulated genes
down_dens <- cluster_ranking %>%
  filter(regulation == "Down") %>%
  plot_go_rank_density() +
  my_theme(grid = "no", fsize = fz) +
  geom_text(
    data = filter(cluster_anno, regulation == "Down"),
    aes(x = x_coord, y = 1.1 * max_peak, label = label, color = description),
    inherit.aes = F, size = fz / (14 / 5), hjust = "inward",
    show.legend = F
  ) +
  scale_color_manual(values = aachen_color("purple")) +
  guides(color = guide_legend(nrow = 2)) +
  theme(legend.box.margin = margin(-10, 0, -20, 0))

down_cloud <- wordcounts %>%
  filter(regulation == "down") %>%
  slice_max(order_by = n, n = 15) %>%
  plot_wordcloud(fontsize = fz)

common_down <- down_dens +
  inset_element(down_cloud,
    left = 0, bottom = 0, right = 1, top = 1,
    align_to = "panel"
  )

common_up + common_down

Version Author Date
3340593 christianholland 2021-02-28

Top exclusive acute genes

Heatmap

keys <- key_mm %>%
  distinct(contrast, label2)

df <- readRDS(here(output_path, "ranked_exclusive_acute_genes.rds"))
contrasts <- readRDS(here(output_path, "limma_result.rds"))

acute_contrasts <- c(
  "treat_vs_ctrl",
  "inLiver_lps_vs_ctrl",
  "ccl_8h_vs_0h", "ccl_24h_vs_0h", "ccl_48h_vs_0h",
  "apap_12h_vs_0h", "apap_24h_vs_0h", "apap_48h_vs_0h",
  "ph_0.5d", "ph_1d", "ph_2d",
  "bdl_vs_sham_1d"
)

mat_exclusive_acute_genes <- df %>%
  filter(rank <= 100) %>%
  left_join(contrasts) %>%
  filter(contrast %in% acute_contrasts | treatment == "pure_ccl4") %>%
  inner_join(keys, by = "contrast") %>%
  mutate(gene = as_factor(gene)) %>%
  select(gene, label2, logFC) %>%
  untdy("gene", "label2", "logFC") %>%
  as.matrix()

exclusive_acute_hmap <- Heatmap(
  t(mat_exclusive_acute_genes),
  col = col_fun,
  cluster_rows = T, cluster_columns = T,
  show_row_dend = F,
  row_names_gp = gpar(fontsize = fz), column_names_gp = gpar(fontsize = fz - 2),
  name = "logFC",
  heatmap_legend_param = list(
    title_gp = gpar(
      fontface = "plain",
      fontsize = fz + 1
    ),
    labels_gp = gpar(fontsize = fz)
  ),
  row_gap = unit(2.5, "mm"),
  border = T,
  row_split = c(rep("Acute", 12), rep("Chronic", 3)),
  row_title_gp = gpar(fontsize = fz + 1)
)

exclusive_acute_hmap

Version Author Date
3340593 christianholland 2021-02-28

Characteriatzion via TFs

ora_res <- readRDS(here(
  output_path,
  "exclusive_genes_characterization.rds"
)) %>%
  filter(group %in% c("dorothea") & fdr <= 0.2) %>%
  filter(class == "acute") %>%
  mutate(regulation = str_to_title(regulation))

acute_tfs_up <- ora_res %>%
  filter(regulation == "Up") %>%
  filter(geneset %in% c("Myc", "Trp53", "Stat3")) %>%
  ggplot(aes(x = fct_reorder(geneset, p.value), y = -log10(p.value))) +
  geom_col() +
  geom_text(aes(label = geneset),
    color = "white", angle = 90, hjust = 1.5,
    size = fz / (14 / 5)
  ) +
  theme(axis.text.x = element_blank()) +
  labs(x = "TF", y = expression(-log["10"] * "(p-value)")) +
  my_theme(grid = "y", fsize = fz) +
  facet_rep_wrap(~regulation)

acute_tfs_down <- ora_res %>%
  filter(regulation == "Down") %>%
  slice_min(order_by = p.value, n = 3) %>%
  ggplot(aes(x = fct_reorder(geneset, p.value), y = -log10(p.value))) +
  geom_col() +
  geom_text(aes(label = geneset),
    color = "white", angle = 90, hjust = 1.5,
    size = fz / (14 / 5)
  ) +
  theme(axis.text.x = element_blank()) +
  labs(x = "TF", y = expression(-log["10"] * "(p-value)")) +
  my_theme(grid = "y", fsize = fz) +
  facet_rep_wrap(~regulation)

acute_tfs_up + acute_tfs_down

Version Author Date
3340593 christianholland 2021-02-28

Characteriatzion via pathways

ora_res <- readRDS(here(
  output_path,
  "exclusive_genes_characterization.rds"
)) %>%
  filter(group %in% c("progeny") & fdr <= 0.2) %>%
  filter(class == "acute") %>%
  mutate(regulation = str_to_title(regulation))

acute_pw_up <- ora_res %>%
  filter(regulation == "Up") %>%
  filter(geneset %in% c("MAPK", "EGFR", "TNFa")) %>%
  ggplot(aes(x = fct_reorder(geneset, p.value), y = -log10(p.value))) +
  geom_col() +
  geom_text(aes(label = geneset),
    color = "white", angle = 90, hjust = 1.5,
    size = fz / (14 / 5)
  ) +
  theme(axis.text.x = element_blank()) +
  labs(x = "Pathway", y = expression(-log["10"] * "(p-value)")) +
  my_theme(grid = "y", fsize = fz) +
  facet_rep_wrap(~regulation)

acute_pw_down <- ora_res %>%
  filter(regulation == "Down") %>%
  slice_min(order_by = p.value, n = 3) %>%
  ggplot(aes(x = fct_reorder(geneset, p.value), y = -log10(p.value))) +
  geom_col() +
  geom_text(aes(label = geneset),
    color = "white", angle = 90, hjust = 1.5,
    size = fz / (14 / 5)
  ) +
  theme(axis.text.x = element_blank()) +
  labs(x = "Pathway", y = expression(-log["10"] * "(p-value)")) +
  my_theme(grid = "y", fsize = fz) +
  facet_rep_wrap(~regulation)

acute_pw_up + acute_pw_down

Version Author Date
3340593 christianholland 2021-02-28

Characterization via GO terms

# get wordcounts for go terms
wordcounts <- readRDS(here(output_path, "go_wordcounts.rds")) %>%
  filter(class == "acute")

# get ranking of go clusters
cluster_ranking <- readRDS(here(output_path, "go_cluster_ranking.rds")) %>%
  filter(class == "acute") %>%
  group_by(cluster, class) %>%
  mutate(label = str_c(n(), " ", "GO terms")) %>%
  ungroup() %>%
  mutate(regulation = fct_rev(str_to_title(regulation))) %>%
  arrange(desc(cluster)) %>%
  mutate(description = fct_rev(as_factor(description)))

cluster_anno <- cluster_ranking %>%
  nest(data = c(rank, term)) %>%
  # find max peak for each cluster
  mutate(peak = data %>% map(function(data) {
    max(density(data$rank)$y)
  })) %>%
  unnest(c(peak)) %>%
  group_by(regulation) %>%
  mutate(max_peak = max(peak)) %>%
  ungroup() %>%
  distinct(
    cluster, regulation, description, peak, max_peak, max_rank,
    label
  ) %>%
  arrange(description) %>%
  group_by(regulation) %>%
  mutate(n_clusters = row_number()) %>%
  mutate(x_coord = case_when(
    n_clusters == 1 ~ 0,
    n_clusters == 2 ~ 1 * max_rank
  )) %>%
  ungroup()

# up-regulated genes
up_dens <- cluster_ranking %>%
  filter(regulation == "Up") %>%
  plot_go_rank_density() +
  my_theme(grid = "no", fsize = fz) +
  geom_text(
    data = filter(cluster_anno, regulation == "Up"),
    aes(x = x_coord, y = 1.1 * max_peak, label = label, color = description),
    inherit.aes = F, size = fz / (14 / 5), hjust = "inward",
    show.legend = F
  ) +
  scale_color_manual(values = aachen_color(c("blue", "maygreen"))) +
  guides(color = guide_legend(nrow = 2)) +
  theme(legend.box.margin = margin(-10, 0, -20, 0))

up_cloud <- wordcounts %>%
  filter(regulation == "up") %>%
  slice_max(order_by = n, n = 15) %>%
  plot_wordcloud(fontsize = fz)

exclusive_acute_up <- up_dens +
  inset_element(up_cloud,
    left = 0, bottom = 0, right = 1, top = 1,
    align_to = "panel"
  )

# down-regulated genes
down_dens <- cluster_ranking %>%
  filter(regulation == "Down") %>%
  plot_go_rank_density() +
  my_theme(grid = "no", fsize = fz) +
  geom_text(
    data = filter(cluster_anno, regulation == "Down"),
    aes(x = x_coord, y = 1.1 * max_peak, label = label, color = description),
    inherit.aes = F, size = fz / (14 / 5), hjust = "inward",
    show.legend = F
  ) +
  scale_color_manual(values = aachen_color("purple")) +
  guides(color = guide_legend(nrow = 2)) +
  theme(legend.box.margin = margin(-10, 0, -20, 0))

down_cloud <- wordcounts %>%
  filter(regulation == "down") %>%
  slice_max(order_by = n, n = 15) %>%
  plot_wordcloud(fontsize = fz)

exclusive_acute_down <- down_dens +
  inset_element(down_cloud,
    left = 0, bottom = 0, right = 1, top = 1,
    align_to = "panel"
  )

exclusive_acute_up + exclusive_acute_down

Version Author Date
3340593 christianholland 2021-02-28

Collage

Figure 3

Main Figure.

fig3 <- (acute_gs_sim | acute_interstudy_enrichment) /
  grid.grabExpr(draw(exclusive_chronic_hmap)) /
  ((chronic_tfs_up | chronic_pw_up | exclusive_chronic_up | plot_spacer()) +
    plot_layout(width = c(1, 0.5, 2, 1))) /
  grid.grabExpr(draw(common_hmap)) /
  ((common_tfs_up | common_pw_up | common_up | plot_spacer()) +
    plot_layout(width = c(0.5, 1, 2, 1))) +
  plot_layout(height = c(1.5, 1.75, 0.75, 1.75, 0.75)) +
  plot_annotation(tag_levels = list(c(
    "A", "B", "C", "D", "", "", "", "E", "F", "", ""
  ))) &
  theme(
    plot.tag = element_text(size = fz + 3, face = "bold"),
    legend.key.height = unit(11.5, "pt"),
    legend.key.width = unit(12.5, "pt")
  )

fig3

Version Author Date
9834a0b christianholland 2021-03-29
3340593 christianholland 2021-02-28

ggsave(here("figures/Figure 3.pdf"), fig3,
  width = 21, height = 29.7, units = c("cm")
)
ggsave(here("figures/Figure 3.png"), fig3,
  width = 21, height = 29.7, units = c("cm")
)

Supplementary Figure 3.1

Plot to determine the time point of maximal liver damage.

sfig3_1 <- max_liver_damage +
  theme(
    legend.key.height = unit(11.5, "pt"),
    legend.key.width = unit(12.5, "pt")
  )

sfig3_1

Version Author Date
3340593 christianholland 2021-02-28

ggsave(here("figures/Supplementary Figure 3.1.pdf"), sfig3_1,
  width = 21, height = 10, units = c("cm")
)
ggsave(here("figures/Supplementary Figure 3.1.png"), sfig3_1,
  width = 21, height = 10, units = c("cm")
)

Supplementary Figure 3.2

Direction of regulation for union of differential expressed genes for acute and chronic.

sfig3_2 <- union_a + union_c +
  plot_layout(widths = c(8, 1)) +
  theme(
    legend.key.height = unit(11.5, "pt"),
    legend.key.width = unit(12.5, "pt")
  )

sfig3_2

Version Author Date
3340593 christianholland 2021-02-28

ggsave(here("figures/Supplementary Figure 3.2.pdf"), sfig3_2,
  width = 21, height = 10, units = c("cm")
)
ggsave(here("figures/Supplementary Figure 3.2.png"), sfig3_2,
  width = 21, height = 10, units = c("cm")
)

Supplementary Figure 3.3

Heatmap of exclusive acute genes and characterization of all up- and down regulated exclusive acute genes.

sfig3_3 <- plot_spacer() /
  grid.grabExpr(draw(exclusive_acute_hmap)) /
  ((acute_tfs_up | acute_pw_up | exclusive_acute_up) +
    plot_layout(width = c(0.5, 0.5, 2))) /
  ((acute_tfs_down | acute_pw_down | exclusive_acute_down) +
    plot_layout(width = c(0.5, 0.5, 2))) +
  plot_layout(height = c(0, 2, 1, 1)) +
  plot_annotation(tag_levels = list(c("A", "B", "C", "D", "", "E", "F", "G"))) &
  theme(
    plot.tag = element_text(size = fz + 3, face = "bold"),
    legend.key.height = unit(11.5, "pt"),
    legend.key.width = unit(12.5, "pt")
  )

sfig3_3

Version Author Date
3340593 christianholland 2021-02-28

ggsave(here("figures/Supplementary Figure 3.3.pdf"), sfig3_3,
  width = 21, height = 20, units = c("cm")
)
ggsave(here("figures/Supplementary Figure 3.3.png"), sfig3_3,
  width = 21, height = 20, units = c("cm")
)

Supplementary Figure 3.4

Characterization of down-regulated common genes.

sfig3_4 <- (common_tfs_down | common_down) +
  plot_layout(width = c(0.5, 2)) +
  plot_annotation(tag_levels = list(c("A", "B"))) &
  theme(
    plot.tag = element_text(size = fz + 3, face = "bold"),
    legend.key.height = unit(11.5, "pt"),
    legend.key.width = unit(12.5, "pt")
  )

sfig3_4

Version Author Date
3340593 christianholland 2021-02-28

ggsave(here("figures/Supplementary Figure 3.4.pdf"), sfig3_4,
  width = 21, height = 7, units = c("cm")
)
ggsave(here("figures/Supplementary Figure 3.4.png"), sfig3_4,
  width = 21, height = 7, units = c("cm")
)

Time spend to execute this analysis: 01:00 minutes.


sessionInfo()
#> R version 4.0.2 (2020-06-22)
#> Platform: x86_64-apple-darwin17.0 (64-bit)
#> Running under: macOS Mojave 10.14.5
#> 
#> Matrix products: default
#> BLAS:   /Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRblas.dylib
#> LAPACK: /Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRlapack.dylib
#> 
#> locale:
#> [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
#> 
#> attached base packages:
#> [1] grid      stats     graphics  grDevices datasets  utils     methods  
#> [8] base     
#> 
#> other attached packages:
#>  [1] patchwork_1.1.1          circlize_0.4.11          ggwordcloud_0.5.0       
#>  [4] ComplexHeatmap_2.4.3     lemon_0.4.5              scales_1.1.1            
#>  [7] VennDiagram_1.6.20       futile.logger_1.4.3      AachenColorPalette_1.1.2
#> [10] here_1.0.1               tidylog_1.0.2            forcats_0.5.0           
#> [13] stringr_1.4.0            dplyr_1.0.2              purrr_0.3.4             
#> [16] readr_1.4.0              tidyr_1.1.2              tibble_3.0.4            
#> [19] ggplot2_3.3.2            tidyverse_1.3.0          workflowr_1.6.2         
#> 
#> loaded via a namespace (and not attached):
#>  [1] fs_1.5.0             lubridate_1.7.9.2    RColorBrewer_1.1-2  
#>  [4] httr_1.4.2           rprojroot_2.0.2      tools_4.0.2         
#>  [7] backports_1.2.1      R6_2.5.0             DBI_1.1.0           
#> [10] colorspace_2.0-0     GetoptLong_1.0.5     withr_2.3.0         
#> [13] tidyselect_1.1.0     gridExtra_2.3        compiler_4.0.2      
#> [16] git2r_0.27.1         cli_2.2.0            rvest_0.3.6         
#> [19] formatR_1.7          xml2_1.3.2           labeling_0.4.2      
#> [22] digest_0.6.27        rmarkdown_2.6        pkgconfig_2.0.3     
#> [25] htmltools_0.5.0      dbplyr_2.0.0         rlang_0.4.9         
#> [28] GlobalOptions_0.1.2  readxl_1.3.1         rstudioapi_0.13     
#> [31] farver_2.0.3         shape_1.4.5          generics_0.1.0      
#> [34] jsonlite_1.7.2       gtools_3.8.2         magrittr_2.0.1      
#> [37] Rcpp_1.0.5           munsell_0.5.0        fansi_0.4.1         
#> [40] lifecycle_0.2.0      stringi_1.5.3        whisker_0.4         
#> [43] yaml_2.2.1           plyr_1.8.6           parallel_4.0.2      
#> [46] promises_1.1.1       crayon_1.3.4         lattice_0.20-41     
#> [49] cowplot_1.1.0        haven_2.3.1          hms_0.5.3           
#> [52] knitr_1.30           pillar_1.4.7         rjson_0.2.20        
#> [55] codetools_0.2-18     clisymbols_1.2.0     futile.options_1.0.1
#> [58] reprex_0.3.0         glue_1.4.2           evaluate_0.14       
#> [61] lambda.r_1.2.4       renv_0.12.3          modelr_0.1.8        
#> [64] png_0.1-7            vctrs_0.3.6          httpuv_1.5.4        
#> [67] cellranger_1.1.0     gtable_0.3.0         clue_0.3-58         
#> [70] assertthat_0.2.1     xfun_0.19            broom_0.7.3         
#> [73] later_1.1.0.1        cluster_2.1.1        ellipsis_0.3.1