Case 4: T cell

Datasource: Pan-cancer single-cell landscape of tumor-infiltrating T cells.

Datasource:

This example data has been integrated in the SPARKLE (SPARKLE::Tcell.seurat_object)

Input data

Input formats : Seurat metadata

library(SPARKLE)

Tcell.seurat_object <-SPARKLE::Tcell.seurat_object

knitr::kable(head(Tcell.seurat_object@meta.data), caption = "Seurat metadata")  
Seurat metadata
patient cellID libraryID cancerType loc batchV TCR dataset ClusterID dataset.tech cellID.uniq S.Score G2M.Score Phase DIG.Score1 score.MALAT1 percent.mito miniCluster ClusterID.harmony meta.cluster meta.cluster.coarse cancerType.old dataset.old sampleID treatment stype patient.uid usedForFreq dataSource tech tech.cate pub
BC9 s1_AAACCTGAGCAGACTG-1 BC9T BRCA T BC9 NA BRCA.ElhamAzizi2018.10X BC.Elham2018.10X.C01 Elham2018.10X BC.Elham2018.10X.s1_AAACCTGAGCAGACTG-1 0.0624014 -0.0152807 S 0.0684577 4.819072 0.0479115 BC.Elham2018.10X.C0340 C00 CD8.c12.Tex.CXCL13 CD8.c09.Tex.CXCL13 BC BC.Elham2018.10X BC9T baseline CD8 BRCA.ElhamAzizi2018.10X.BC9 Y other labs 10X Droplet published
BC9 s1_AAACCTGAGGTCGGAT-1 BC9T BRCA T BC9 NA BRCA.ElhamAzizi2018.10X BC.Elham2018.10X.C06 Elham2018.10X BC.Elham2018.10X.s1_AAACCTGAGGTCGGAT-1 0.0070906 -0.0321333 S 0.1849000 4.741140 0.0394322 BC.Elham2018.10X.C0259 C04 CD8.c01.Tn.MAL CD8.c01.Tn.MAL BC BC.Elham2018.10X BC9T baseline CD8 BRCA.ElhamAzizi2018.10X.BC9 Y other labs 10X Droplet published
BC9 s1_AAACCTGAGTGTACTC-1 BC9T BRCA T BC9 NA BRCA.ElhamAzizi2018.10X BC.Elham2018.10X.C01 Elham2018.10X BC.Elham2018.10X.s1_AAACCTGAGTGTACTC-1 -0.0044747 -0.1017369 G1 0.2887507 4.389487 0.0347877 BC.Elham2018.10X.C0046 C02 CD8.c10.Trm.ZNF683 CD8.c08.Trm.ZNF683 BC BC.Elham2018.10X BC9T baseline CD8 BRCA.ElhamAzizi2018.10X.BC9 Y other labs 10X Droplet published
BC9 s1_AAACCTGCAGATGGGT-1 BC9T BRCA T BC9 NA BRCA.ElhamAzizi2018.10X BC.Elham2018.10X.C04 Elham2018.10X BC.Elham2018.10X.s1_AAACCTGCAGATGGGT-1 -0.0145796 -0.0379119 G1 0.2692702 4.412709 0.0763457 BC.Elham2018.10X.C0366 C05 CD8.c07.Temra.CX3CR1 CD8.c06.Temra.CX3CR1 BC BC.Elham2018.10X BC9T baseline CD8 BRCA.ElhamAzizi2018.10X.BC9 Y other labs 10X Droplet published
BC9 s1_AAACCTGGTAGCACGA-1 BC9T BRCA T BC9 NA BRCA.ElhamAzizi2018.10X BC.Elham2018.10X.C00 Elham2018.10X BC.Elham2018.10X.s1_AAACCTGGTAGCACGA-1 -0.0049043 -0.0171255 G1 -0.0084376 5.431369 0.0568655 BC.Elham2018.10X.C0399 C06 CD8.c02.Tm.IL7R CD8.c02.Tm.IL7R BC BC.Elham2018.10X BC9T baseline CD8 BRCA.ElhamAzizi2018.10X.BC9 Y other labs 10X Droplet published
BC9 s1_AAACCTGGTAGCGTGA-1 BC9T BRCA T BC9 NA BRCA.ElhamAzizi2018.10X BC.Elham2018.10X.C00 Elham2018.10X BC.Elham2018.10X.s1_AAACCTGGTAGCGTGA-1 -0.0397327 -0.0198545 G1 0.1531002 5.082257 0.0557621 BC.Elham2018.10X.C0119 C14 CD8.c06.Tem.GZMK CD8.c05.Tem.GZMK BC BC.Elham2018.10X BC9T baseline CD8 BRCA.ElhamAzizi2018.10X.BC9 Y other labs 10X Droplet published
sparkle.data <- cwas_build_model_data(inputdata = Tcell.seurat_object,
                                      Sample = "patient",
                                      Phenotype ="treatment",
                                      Celltype = "meta.cluster.coarse",
                                      Group = "cancerType",
                                      Subgroup = "dataset.old",
                                      Control_label = "baseline",
                                      Disease_label = "post.treatment",
                                      selected_celltype = c("CD8.c01.Tn.MAL","CD4.c01.Tn.LEF1","CD4.c11.Mix.NME2")
                                      )
## [1] "Warning: No Covariate1 infomation"
## [1] "Warning: No Covariate2 infomation"
## [1] "No gene infomation added"
## [1] "No geneset score infomation added"

Data exporlation (Optional)

PCA

PCA plot for data exploration

cwas_pcadraw(sparkle.data) 

Wilcoxon

Wilcoxon rank sum test and plot

cwas_classic_comparision(sparkle.data)  

Hausman_test

Test for Group

df <- cwas_hausman_test_all(sparkle.data,variable = "Group")


knitr::kable(df, caption = "Hausman test")  
Hausman test
Celltype Hausman_Statistic Pvalue Model_Selection Varible
CD8.c01.Tn.MAL -3.369674 1.000000 Random Effects Model Group : cancerType
CD4.c01.Tn.LEF1 5.879953 0.052867 Random Effects Model Group : cancerType
CD4.c11.Mix.NME2 -19.184970 1.000000 Random Effects Model Group : cancerType

Test for Subgroup

df2 <- cwas_hausman_test_all(sparkle.data,variable = "Subgroup")

knitr::kable(df2, caption = "Hausman test") 
Hausman test
Celltype Hausman_Statistic Pvalue Model_Selection Varible
CD8.c01.Tn.MAL -7.585510 1 Random Effects Model Subgroup : dataset.old
CD4.c01.Tn.LEF1 -2.413249 1 Random Effects Model Subgroup : dataset.old
CD4.c11.Mix.NME2 -56.717797 1 Random Effects Model Subgroup : dataset.old

Cell-phenotype association analysis

All model calculation

all.models <- cwas_allmodel_cal(sparkle.data)### calculation for all model

Heatmap plot for all model

p <- cwas_allmodel_heatmap(all.models)# Plot all model AIC and Pvalue

Forest plot for Best model selection

best.model <- cwas_autoselected_model(all.models)# Select the best model and plot

Cell-phenotype covariate analysis

all.model.cov <- cwas_2celltype_allmodel_cal(sparkle.data)# Select the best model and plot
cwas_allmodel_heatmap(all.model.cov)# Plot all model AIC and Pvalue

best.model.cov <- cwas_autoselected_model(all.model.cov)# Select the best model and plot

Cell-phenotype mediation analysis

Your_interested_celltype="CD8.c01.Tn.MAL"

all.model.med <- cwas_mediation_analysis(sparkle.data,X.cell = Your_interested_celltype,Best_model =best.model,method = "cell_mediate_cell" )# Select the best model and plot

Cell-phenotype moderation analysis

all.model.mod <- cwas_moderation_analysis(sparkle.data,X.cell =Your_interested_celltype,Best_model =best.model,method = "cell_moderation_cell" )# Select the best model and plot

Moderation network plot

SPARKLE::Cell_phenotype_network_plot(sparkle.data )