Schematic overview of the cellular and molecular mechanisms involved in the cancer progression, including the proposed cellular and molecular mechanisms in cancer cells trajectory. AT1: alveolar type 1 cells; AT2: alveolar type 2 cells; AAH: atypical adenomatous hyperplasia; AIS: adenocarcinoma in situ; MIA: minimally invasive adenocarcinoma; IA: invasive adenocarcinoma; EMT: epithelial-mesenchymal transition

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Center for Computational Systems Medicine
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Gene summary

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Malignant transformation analysis

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Malignant transformation related pathway analysis

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Cell-cell communication analysis

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Single-cell gene regulatory network inference analysis

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Somatic mutation of malignant transformation related genes

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Related drugs of malignant transformation related genes

Gene: C4A

Gene summary for C4A

check button Gene summary.

Gene informationSpeciesHuman
Gene symbol

C4A

Gene ID

720

Gene namecomplement C4A (Rodgers blood group)
Gene AliasC4
Cytomap6p21.33
Gene Typeprotein-coding
GO ID

GO:0002250

UniProtAcc

P0C0L4


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Malignant transformation analysis

check button Identification of the aberrant gene expression in precancerous and cancerous lesions by comparing the gene expression of stem-like cells in diseased tissues with normal stem cells
check button Malignant transformation involving gene list.
Entrez IDSymbolReplicatesSpeciesOrganTissueAdj P-valueLog2FCMalignancy
720C4AS014HumanLiverHCC3.64e-165.83e-010.2254
720C4AS015HumanLiverHCC1.31e-052.94e-010.2375
720C4AS016HumanLiverHCC3.39e-082.64e-010.2243
720C4AS027HumanLiverHCC9.18e-076.14e-010.2446
720C4AS028HumanLiverHCC4.40e-184.44e-010.2503
720C4AS029HumanLiverHCC3.57e-227.57e-010.2581
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check button Transcriptomic changes along malignancy continuum.
TissueExpression DynamicsAbbreviation
LiverThe image shows the transcriptomic changes along malignancy continuum.log2FC in expression of this searched gene in stem-like cells from each diseased tissue sample relative to stem-like cells in normal samples in each tissue plotted against the malignancy continuum. Samples are colored based on if they are from different disease stage.HCC: Hepatocellular carcinoma
NAFLD: Non-alcoholic fatty liver disease
∗log2FC in expression of this searched gene in stem-like cells from each diseased tissue sample relative to stem-like cells in normal samples in each tissue plotted against the malignancy continuum. Samples are colored based on if they are from different disease stage.

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Malignant transformation related pathway analysis

check buttonFind out the enriched GO biological processes and KEGG pathways involved in transition from healthy to precancer to cancer
check button Figure of enriched GO biological processes.
TissueDisease StageEnriched GO biological Processes
ColorectumADGO analysis - Figure of enriched GO biological processes: Top 15 enriched GO BP terms are showed in the bar plot of each disease state in each tissue. Each row represents a significant GO biological process which is colored according to the -log10(p.adjust).
ColorectumSERGO analysis - Figure of enriched GO biological processes: Top 15 enriched GO BP terms are showed in the bar plot of each disease state in each tissue. Each row represents a significant GO biological process which is colored according to the -log10(p.adjust).
ColorectumMSSGO analysis - Figure of enriched GO biological processes: Top 15 enriched GO BP terms are showed in the bar plot of each disease state in each tissue. Each row represents a significant GO biological process which is colored according to the -log10(p.adjust).
ColorectumMSI-HGO analysis - Figure of enriched GO biological processes: Top 15 enriched GO BP terms are showed in the bar plot of each disease state in each tissue. Each row represents a significant GO biological process which is colored according to the -log10(p.adjust).
ColorectumFAPGO analysis - Figure of enriched GO biological processes: Top 15 enriched GO BP terms are showed in the bar plot of each disease state in each tissue. Each row represents a significant GO biological process which is colored according to the -log10(p.adjust).
∗Top 15 enriched GO BP terms are showed in the bar plot of each disease state in each tissue. Each row represents a significant GO biological process which is colored according to the -log10(p.adjust).
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check button Enriched GO biological processes.
GO IDTissueDisease StageDescriptionGene RatioBg Ratiopvaluep.adjustCount
GO:00085446CervixCCepidermis development83/2311324/187233.91e-118.54e-0983
GO:00435884CervixCCskin development71/2311263/187238.04e-111.46e-0871
GO:001049810CervixCCproteasomal protein catabolic process111/2311490/187238.98e-111.58e-08111
GO:004316110CervixCCproteasome-mediated ubiquitin-dependent protein catabolic process91/2311412/187231.65e-081.25e-0691
GO:0046034ColorectumADATP metabolic process142/3918277/187232.64e-298.26e-26142
GO:0006091ColorectumADgeneration of precursor metabolites and energy209/3918490/187233.17e-286.61e-25209
GO:0009896ColorectumADpositive regulation of catabolic process180/3918492/187234.33e-161.94e-13180
GO:0009150ColorectumADpurine ribonucleotide metabolic process142/3918368/187234.29e-151.17e-12142
GO:0006163ColorectumADpurine nucleotide metabolic process149/3918396/187231.08e-142.80e-12149
GO:0072521ColorectumADpurine-containing compound metabolic process153/3918416/187234.34e-141.01e-11153
GO:0031331ColorectumADpositive regulation of cellular catabolic process156/3918427/187234.68e-141.05e-11156
GO:0009259ColorectumADribonucleotide metabolic process144/3918385/187235.25e-141.13e-11144
GO:0019693ColorectumADribose phosphate metabolic process145/3918396/187233.01e-135.71e-11145
GO:0009117ColorectumADnucleotide metabolic process168/3918489/187232.20e-123.36e-10168
GO:0006753ColorectumADnucleoside phosphate metabolic process169/3918497/187234.99e-126.98e-10169
GO:0002064ColorectumADepithelial cell development89/3918220/187232.98e-113.52e-0989
GO:1902600ColorectumADproton transmembrane transport66/3918157/187231.59e-091.17e-0766
GO:0009135ColorectumADpurine nucleoside diphosphate metabolic process47/3918103/187231.61e-089.22e-0747
GO:0009179ColorectumADpurine ribonucleoside diphosphate metabolic process47/3918103/187231.61e-089.22e-0747
GO:0006090ColorectumADpyruvate metabolic process47/3918106/187234.85e-082.55e-0647
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check button Enriched KEGG pathways.
Pathway IDTissueDisease StageDescriptionGene RatioBg Ratiopvaluep.adjustqvalueCount
hsa0517142LiverHCCCoronavirus disease - COVID-19167/4020232/84651.50e-144.19e-132.33e-13167
hsa049362LiverHCCAlcoholic liver disease89/4020142/84651.73e-048.53e-044.75e-0489
hsa046104LiverHCCComplement and coagulation cascades57/402086/84653.19e-041.45e-038.04e-0457
hsa051332LiverHCCPertussis48/402076/84654.17e-031.27e-027.06e-0348
hsa0517152LiverHCCCoronavirus disease - COVID-19167/4020232/84651.50e-144.19e-132.33e-13167
hsa049363LiverHCCAlcoholic liver disease89/4020142/84651.73e-048.53e-044.75e-0489
hsa046105LiverHCCComplement and coagulation cascades57/402086/84653.19e-041.45e-038.04e-0457
hsa051333LiverHCCPertussis48/402076/84654.17e-031.27e-027.06e-0348
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Cell-cell communication analysis

check buttonIdentification of potential cell-cell interactions between two cell types and their ligand-receptor pairs for different disease states
LigandReceptorLRpairPathwayTissueDisease Stage
C4AC3AR1C4A_C3AR1COMPLEMENTEndometriumHealthy
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Single-cell gene regulatory network inference analysis

check buttonFind out the significant the regulons (TFs) and the target genes of each regulon across cell types for different disease states
TFCell TypeTissueDisease StageTarget GeneRSSRegulon Activity
∗The dot plots of a searched regulon are shown for all cell subpopulations in each disease state of each tissue based on the regulon specific score inferred using pySCENIC and by calculating the average expression.
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Somatic mutation of malignant transformation related genes

check buttonAnnotation of somatic variants for genes involved in malignant transformation
Hugo SymbolVariant ClassVariant ClassificationdbSNP RSHGVScHGVSpHGVSp ShortSWISSPROTBIOTYPESIFTPolyPhenTumor Sample BarcodeTissueHistologySexAgeStageTherapy TypesDrugsOutcome
C4ASNVMissense_Mutationnovelc.2544G>Cp.Gln848Hisp.Q848HP0C0L4protein_codingdeleterious(0)probably_damaging(1)TCGA-BH-A18F-01Breastbreast invasive carcinomaFemale<65I/IIChemotherapytaxotereCR
C4ASNVMissense_Mutationnovelc.4115N>Tp.Gly1372Valp.G1372VP0C0L4protein_codingdeleterious(0)probably_damaging(1)TCGA-C8-A12L-01Breastbreast invasive carcinomaFemale>=65I/IIUnknownUnknownSD
C4ASNVMissense_Mutationrs767169624c.3442G>Ap.Ala1148Thrp.A1148TP0C0L4protein_codingdeleterious(0)possibly_damaging(0.666)TCGA-2W-A8YY-01Cervixcervical & endocervical cancerFemale<65I/IIChemotherapycisplatinCR
C4ASNVMissense_Mutationnovelc.3526N>Cp.Asn1176Hisp.N1176HP0C0L4protein_codingtolerated(0.21)benign(0.059)TCGA-AA-3984-01Colorectumcolon adenocarcinomaFemale<65I/IIUnknownUnknownSD
C4ASNVMissense_Mutationrs749075087c.3179N>Ap.Arg1060Glnp.R1060QP0C0L4protein_codingtolerated(0.52)probably_damaging(0.983)TCGA-CA-6717-01Colorectumcolon adenocarcinomaMale<65I/IIChemotherapyoxaliplatinCR
C4ASNVMissense_Mutationc.3604N>Gp.Leu1202Valp.L1202VP0C0L4protein_codingdeleterious(0)probably_damaging(0.999)TCGA-CK-4951-01Colorectumcolon adenocarcinomaFemale>=65I/IIUnknownUnknownPD
C4ASNVMissense_Mutationc.2695N>Cp.Phe899Leup.F899LP0C0L4protein_codingdeleterious(0)probably_damaging(0.999)TCGA-AG-4005-01Colorectumrectum adenocarcinomaMale<65III/IVChemotherapyfolinicCR
C4ASNVMissense_Mutationrs370461806c.2758G>Ap.Glu920Lysp.E920KP0C0L4protein_codingtolerated(0.11)benign(0.093)TCGA-AJ-A3EL-01Endometriumuterine corpus endometrioid carcinomaFemale<65I/IIUnknownUnknownSD
C4ASNVMissense_Mutationnovelc.4137N>Tp.Lys1379Asnp.K1379NP0C0L4protein_codingdeleterious(0.04)probably_damaging(0.99)TCGA-AP-A051-01Endometriumuterine corpus endometrioid carcinomaFemale>=65I/IIUnknownUnknownSD
C4ASNVMissense_Mutationnovelc.2509N>Ap.Leu837Ilep.L837IP0C0L4protein_codingdeleterious(0.01)possibly_damaging(0.675)TCGA-AP-A1DK-01Endometriumuterine corpus endometrioid carcinomaFemale<65I/IIUnknownUnknownSD
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Related drugs of malignant transformation related genes

check buttonIdentification of chemicals and drugs interact with genes involved in malignant transfromation
(DGIdb 4.0)
Entrez IDSymbolCategoryInteraction TypesDrug Claim NameDrug NamePMIDs
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