PECAM1 Gene

HGNC Family Immunoglobulin superfamily domain containing, CD molecules (CD)
Name platelet/endothelial cell adhesion molecule 1
Description The protein encoded by this gene is found on the surface of platelets, monocytes, neutrophils, and some types of T-cells, and makes up a large portion of endothelial cell intercellular junctions. The encoded protein is a member of the immunoglobulin superfamily and is likely involved in leukocyte migration, angiogenesis, and integrin activation. [provided by RefSeq, May 2010]
Summary
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In addition, PECAM‐1 participates in mechanotransduction by responding to shear stress and mechanical stretch, thereby contributing to the organization of the cytoskeleton and the regulation of downstream signaling events critical for vessel morphogenesis and permeability."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "8"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nBeyond its role in maintaining vascular homeostasis, PECAM‐1 is central to regulating leukocyte–endothelial interactions during inflammation. By engaging in homophilic ligation, it transmits “detachment” signals that prevent the inadvertent engulfment of viable leukocytes, while its redistribution and recycling at endothelial borders is crucial for guiding leukocytes during transendothelial migration. In this context PECAM‐1 not only facilitates diapedesis of neutrophils and other immune cells but also helps coordinate reverse migration processes of dendritic cells, thereby modulating immune surveillance and inflammatory responses."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "9", "end_ref": "15"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nOn the intracellular side, the cytoplasmic domain of PECAM‐1—featuring immunoreceptor tyrosine inhibitory motifs (ITIMs)—acts as a scaffold for specific signaling molecules, thereby modulating protein tyrosine phosphatases and kinases that control cell activation, integrin function, and apoptotic pathways. PECAM‐1 signaling regulates the suppression of pro‐apoptotic signals (for example, by counteracting Bax‐induced mitochondrial dysfunction) and is involved in mechanosensitive responses that activate partners such as Fyn and SHP2. Moreover, emerging data implicate PECAM‐1 in diverse processes ranging from the modulation of immune cell subset function and leukocyte survival to genetic polymorphisms that affect cardiovascular risk, as well as in pathogen interactions that alter blood–brain barrier permeability."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "16", "end_ref": "44"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Gaoyuan Cao, Christopher D O'Brien, Zhao Zhou, et al. 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Synonyms CD31/ENDOCAM, CD31, GPIIA', PECA1, PECAM-1, ENDOCAM
Proteins PECA1_HUMAN
NCBI Gene ID 5175
API
Download Associations
Predicted Functions View PECAM1's ARCHS4 Predicted Functions.
Co-expressed Genes View PECAM1's ARCHS4 Predicted Functions.
Expression in Tissues and Cell Lines View PECAM1's ARCHS4 Predicted Functions.

Functional Associations

PECAM1 has 11,349 functional associations with biological entities spanning 9 categories (molecular profile, organism, functional term, phrase or reference, chemical, disease, phenotype or trait, structural feature, cell line, cell type or tissue, gene, protein or microRNA, sequence feature) extracted from 108 datasets.

Click the + buttons to view associations for PECAM1 from the datasets below.

If available, associations are ranked by standardized value

Dataset Summary
Achilles Cell Line Gene Essentiality Profiles cell lines with fitness changed by PECAM1 gene knockdown relative to other cell lines from the Achilles Cell Line Gene Essentiality Profiles dataset.
Allen Brain Atlas Adult Human Brain Tissue Gene Expression Profiles tissues with high or low expression of PECAM1 gene relative to other tissues from the Allen Brain Atlas Adult Human Brain Tissue Gene Expression Profiles dataset.
Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles tissue samples with high or low expression of PECAM1 gene relative to other tissue samples from the Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles dataset.
Allen Brain Atlas Developing Human Brain Tissue Gene Expression Profiles by Microarray tissue samples with high or low expression of PECAM1 gene relative to other tissue samples from the Allen Brain Atlas Developing Human Brain Tissue Gene Expression Profiles by Microarray dataset.
Allen Brain Atlas Prenatal Human Brain Tissue Gene Expression Profiles tissues with high or low expression of PECAM1 gene relative to other tissues from the Allen Brain Atlas Prenatal Human Brain Tissue Gene Expression Profiles dataset.
Biocarta Pathways pathways involving PECAM1 protein from the Biocarta Pathways dataset.
BioGPS Cell Line Gene Expression Profiles cell lines with high or low expression of PECAM1 gene relative to other cell lines from the BioGPS Cell Line Gene Expression Profiles dataset.
BioGPS Human Cell Type and Tissue Gene Expression Profiles cell types and tissues with high or low expression of PECAM1 gene relative to other cell types and tissues from the BioGPS Human Cell Type and Tissue Gene Expression Profiles dataset.
BioGPS Mouse Cell Type and Tissue Gene Expression Profiles cell types and tissues with high or low expression of PECAM1 gene relative to other cell types and tissues from the BioGPS Mouse Cell Type and Tissue Gene Expression Profiles dataset.
Carcinogenome Chemical Perturbation Carcinogenicity Signatures small molecule perturbations changing expression of PECAM1 gene from the Carcinogenome Chemical Perturbation Carcinogenicity Signatures dataset.
CCLE Cell Line Gene CNV Profiles cell lines with high or low copy number of PECAM1 gene relative to other cell lines from the CCLE Cell Line Gene CNV Profiles dataset.
CCLE Cell Line Gene Expression Profiles cell lines with high or low expression of PECAM1 gene relative to other cell lines from the CCLE Cell Line Gene Expression Profiles dataset.
CCLE Cell Line Proteomics Cell lines associated with PECAM1 protein from the CCLE Cell Line Proteomics dataset.
CellMarker Gene-Cell Type Associations cell types associated with PECAM1 gene from the CellMarker Gene-Cell Type Associations dataset.
ChEA Transcription Factor Binding Site Profiles transcription factor binding site profiles with transcription factor binding evidence at the promoter of PECAM1 gene from the CHEA Transcription Factor Binding Site Profiles dataset.
ChEA Transcription Factor Targets transcription factors binding the promoter of PECAM1 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets dataset.
ChEA Transcription Factor Targets 2022 transcription factors binding the promoter of PECAM1 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets 2022 dataset.
CMAP Signatures of Differentially Expressed Genes for Small Molecules small molecule perturbations changing expression of PECAM1 gene from the CMAP Signatures of Differentially Expressed Genes for Small Molecules dataset.
COMPARTMENTS Curated Protein Localization Evidence Scores 2025 cellular components containing PECAM1 protein from the COMPARTMENTS Curated Protein Localization Evidence Scores 2025 dataset.
COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 cellular components co-occuring with PECAM1 protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 dataset.
COSMIC Cell Line Gene CNV Profiles cell lines with high or low copy number of PECAM1 gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset.
CTD Gene-Chemical Interactions chemicals interacting with PECAM1 gene/protein from the curated CTD Gene-Chemical Interactions dataset.
CTD Gene-Disease Associations diseases associated with PECAM1 gene/protein from the curated CTD Gene-Disease Associations dataset.
dbGAP Gene-Trait Associations traits associated with PECAM1 gene in GWAS and other genetic association datasets from the dbGAP Gene-Trait Associations dataset.
DISEASES Experimental Gene-Disease Association Evidence Scores 2025 diseases associated with PECAM1 gene in GWAS datasets from the DISEASES Experimental Gene-Disease Assocation Evidence Scores 2025 dataset.
DISEASES Text-mining Gene-Disease Association Evidence Scores 2025 diseases co-occuring with PECAM1 gene in abstracts of biomedical publications from the DISEASES Text-mining Gene-Disease Assocation Evidence Scores 2025 dataset.
DisGeNET Gene-Disease Associations diseases associated with PECAM1 gene in GWAS and other genetic association datasets from the DisGeNET Gene-Disease Associations dataset.
DisGeNET Gene-Phenotype Associations phenotypes associated with PECAM1 gene in GWAS and other genetic association datasets from the DisGeNET Gene-Phenoptype Associations dataset.
ENCODE Histone Modification Site Profiles histone modification site profiles with high histone modification abundance at PECAM1 gene from the ENCODE Histone Modification Site Profiles dataset.
ENCODE Transcription Factor Binding Site Profiles transcription factor binding site profiles with transcription factor binding evidence at the promoter of PECAM1 gene from the ENCODE Transcription Factor Binding Site Profiles dataset.
ENCODE Transcription Factor Targets transcription factors binding the promoter of PECAM1 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset.
ESCAPE Omics Signatures of Genes and Proteins for Stem Cells PubMedIDs of publications reporting gene signatures containing PECAM1 from the ESCAPE Omics Signatures of Genes and Proteins for Stem Cells dataset.
GAD Gene-Disease Associations diseases associated with PECAM1 gene in GWAS and other genetic association datasets from the GAD Gene-Disease Associations dataset.
GAD High Level Gene-Disease Associations diseases associated with PECAM1 gene in GWAS and other genetic association datasets from the GAD High Level Gene-Disease Associations dataset.
GDSC Cell Line Gene Expression Profiles cell lines with high or low expression of PECAM1 gene relative to other cell lines from the GDSC Cell Line Gene Expression Profiles dataset.
GeneRIF Biological Term Annotations biological terms co-occuring with PECAM1 gene in literature-supported statements describing functions of genes from the GeneRIF Biological Term Annotations dataset.
GeneSigDB Published Gene Signatures PubMedIDs of publications reporting gene signatures containing PECAM1 from the GeneSigDB Published Gene Signatures dataset.
GEO Signatures of Differentially Expressed Genes for Diseases disease perturbations changing expression of PECAM1 gene from the GEO Signatures of Differentially Expressed Genes for Diseases dataset.
GEO Signatures of Differentially Expressed Genes for Gene Perturbations gene perturbations changing expression of PECAM1 gene from the GEO Signatures of Differentially Expressed Genes for Gene Perturbations dataset.
GEO Signatures of Differentially Expressed Genes for Kinase Perturbations kinase perturbations changing expression of PECAM1 gene from the GEO Signatures of Differentially Expressed Genes for Kinase Perturbations dataset.
GEO Signatures of Differentially Expressed Genes for Small Molecules small molecule perturbations changing expression of PECAM1 gene from the GEO Signatures of Differentially Expressed Genes for Small Molecules dataset.
GEO Signatures of Differentially Expressed Genes for Transcription Factor Perturbations transcription factor perturbations changing expression of PECAM1 gene from the GEO Signatures of Differentially Expressed Genes for Transcription Factor Perturbations dataset.
GEO Signatures of Differentially Expressed Genes for Viral Infections virus perturbations changing expression of PECAM1 gene from the GEO Signatures of Differentially Expressed Genes for Viral Infections dataset.
GlyGen Glycosylated Proteins ligands (chemical) binding PECAM1 protein from the GlyGen Glycosylated Proteins dataset.
GO Biological Process Annotations 2015 biological processes involving PECAM1 gene from the curated GO Biological Process Annotations 2015 dataset.
GO Biological Process Annotations 2023 biological processes involving PECAM1 gene from the curated GO Biological Process Annotations 2023 dataset.
GO Biological Process Annotations 2025 biological processes involving PECAM1 gene from the curated GO Biological Process Annotations2025 dataset.
GO Cellular Component Annotations 2015 cellular components containing PECAM1 protein from the curated GO Cellular Component Annotations 2015 dataset.
GO Cellular Component Annotations 2023 cellular components containing PECAM1 protein from the curated GO Cellular Component Annotations 2023 dataset.
GO Cellular Component Annotations 2025 cellular components containing PECAM1 protein from the curated GO Cellular Component Annotations 2025 dataset.
GO Molecular Function Annotations 2015 molecular functions performed by PECAM1 gene from the curated GO Molecular Function Annotations 2015 dataset.
GO Molecular Function Annotations 2023 molecular functions performed by PECAM1 gene from the curated GO Molecular Function Annotations 2023 dataset.
GO Molecular Function Annotations 2025 molecular functions performed by PECAM1 gene from the curated GO Molecular Function Annotations 2025 dataset.
GTEx eQTL 2025 SNPs regulating expression of PECAM1 gene from the GTEx eQTL 2025 dataset.
GTEx Tissue Gene Expression Profiles 2023 tissues with high or low expression of PECAM1 gene relative to other tissues from the GTEx Tissue Gene Expression Profiles 2023 dataset.
GWAS Catalog SNP-Phenotype Associations phenotypes associated with PECAM1 gene in GWAS datasets from the GWAS Catalog SNP-Phenotype Associations dataset.
GWAS Catalog SNP-Phenotype Associations 2025 phenotypes associated with PECAM1 gene in GWAS datasets from the GWAS Catalog SNP-Phenotype Associations 2025 dataset.
GWASdb SNP-Disease Associations diseases associated with PECAM1 gene in GWAS and other genetic association datasets from the GWASdb SNP-Disease Associations dataset.
GWASdb SNP-Phenotype Associations phenotypes associated with PECAM1 gene in GWAS datasets from the GWASdb SNP-Phenotype Associations dataset.
Heiser et al., PNAS, 2011 Cell Line Gene Expression Profiles cell lines with high or low expression of PECAM1 gene relative to other cell lines from the Heiser et al., PNAS, 2011 Cell Line Gene Expression Profiles dataset.
HPM Cell Type and Tissue Protein Expression Profiles cell types and tissues with high or low expression of PECAM1 protein relative to other cell types and tissues from the HPM Cell Type and Tissue Protein Expression Profiles dataset.
Hub Proteins Protein-Protein Interactions interacting hub proteins for PECAM1 from the curated Hub Proteins Protein-Protein Interactions dataset.
HuBMAP ASCT+B Annotations cell types associated with PECAM1 gene from the HuBMAP ASCT+B dataset.
HuBMAP ASCT+B Augmented with RNA-seq Coexpression cell types associated with PECAM1 gene from the HuBMAP ASCT+B Augmented with RNA-seq Coexpression dataset.
HuBMAP Azimuth Cell Type Annotations cell types associated with PECAM1 gene from the HuBMAP Azimuth Cell Type Annotations dataset.
HuGE Navigator Gene-Phenotype Associations phenotypes associated with PECAM1 gene by text-mining GWAS publications from the HuGE Navigator Gene-Phenotype Associations dataset.
InterPro Predicted Protein Domain Annotations protein domains predicted for PECAM1 protein from the InterPro Predicted Protein Domain Annotations dataset.
JASPAR Predicted Human Transcription Factor Targets 2025 transcription factors regulating expression of PECAM1 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Human Transcription Factor Targets dataset.
JASPAR Predicted Mouse Transcription Factor Targets 2025 transcription factors regulating expression of PECAM1 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Mouse Transcription Factor Targets 2025 dataset.
JASPAR Predicted Transcription Factor Targets transcription factors regulating expression of PECAM1 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Transcription Factor Targets dataset.
KEA Substrates of Kinases kinases that phosphorylate PECAM1 protein from the curated KEA Substrates of Kinases dataset.
KEGG Pathways pathways involving PECAM1 protein from the KEGG Pathways dataset.
KEGG Pathways 2026 pathways involving PECAM1 protein from the KEGG Pathways 2026 dataset.
Kinase Library Serine Threonine Kinome Atlas kinases that phosphorylate PECAM1 protein from the Kinase Library Serine Threonine Atlas dataset.
Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles cell lines with high or low copy number of PECAM1 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset.
KnockTF Gene Expression Profiles with Transcription Factor Perturbations transcription factor perturbations changing expression of PECAM1 gene from the KnockTF Gene Expression Profiles with Transcription Factor Perturbations dataset.
LINCS L1000 CMAP Signatures of Differentially Expressed Genes for Small Molecules small molecule perturbations changing expression of PECAM1 gene from the LINCS L1000 CMAP Signatures of Differentially Expressed Genes for Small Molecules dataset.
LOCATE Curated Protein Localization Annotations cellular components containing PECAM1 protein in low- or high-throughput protein localization assays from the LOCATE Curated Protein Localization Annotations dataset.
LOCATE Predicted Protein Localization Annotations cellular components predicted to contain PECAM1 protein from the LOCATE Predicted Protein Localization Annotations dataset.
MGI Mouse Phenotype Associations 2023 phenotypes of transgenic mice caused by PECAM1 gene mutations from the MGI Mouse Phenotype Associations 2023 dataset.
MPO Gene-Phenotype Associations phenotypes of transgenic mice caused by PECAM1 gene mutations from the MPO Gene-Phenotype Associations dataset.
MSigDB Cancer Gene Co-expression Modules co-expressed genes for PECAM1 from the MSigDB Cancer Gene Co-expression Modules dataset.
MSigDB Signatures of Differentially Expressed Genes for Cancer Gene Perturbations gene perturbations changing expression of PECAM1 gene from the MSigDB Signatures of Differentially Expressed Genes for Cancer Gene Perturbations dataset.
Pathway Commons Protein-Protein Interactions interacting proteins for PECAM1 from the Pathway Commons Protein-Protein Interactions dataset.
PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations gene perturbations changing expression of PECAM1 gene from the PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations dataset.
PerturbAtlas Signatures of Differentially Expressed Genes for Mouse Gene Perturbations gene perturbations changing expression of PECAM1 gene from the PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations dataset.
PFOCR Pathway Figure Associations 2023 pathways involving PECAM1 protein from the PFOCR Pathway Figure Associations 2023 dataset.
PFOCR Pathway Figure Associations 2024 pathways involving PECAM1 protein from the Wikipathways PFOCR 2024 dataset.
Phosphosite Textmining Biological Term Annotations biological terms co-occuring with PECAM1 protein in abstracts of publications describing phosphosites from the Phosphosite Textmining Biological Term Annotations dataset.
PhosphoSitePlus Substrates of Kinases kinases that phosphorylate PECAM1 protein from the curated PhosphoSitePlus Substrates of Kinases dataset.
PID Pathways pathways involving PECAM1 protein from the PID Pathways dataset.
Reactome Pathways 2014 pathways involving PECAM1 protein from the Reactome Pathways dataset.
Reactome Pathways 2024 pathways involving PECAM1 protein from the Reactome Pathways 2024 dataset.
Roadmap Epigenomics Cell and Tissue DNA Methylation Profiles cell types and tissues with high or low DNA methylation of PECAM1 gene relative to other cell types and tissues from the Roadmap Epigenomics Cell and Tissue DNA Methylation Profiles dataset.
Roadmap Epigenomics Histone Modification Site Profiles histone modification site profiles with high histone modification abundance at PECAM1 gene from the Roadmap Epigenomics Histone Modification Site Profiles dataset.
RummaGEO Drug Perturbation Signatures drug perturbations changing expression of PECAM1 gene from the RummaGEO Drug Perturbation Signatures dataset.
RummaGEO Gene Perturbation Signatures gene perturbations changing expression of PECAM1 gene from the RummaGEO Gene Perturbation Signatures dataset.
Sanger Dependency Map Cancer Cell Line Proteomics cell lines associated with PECAM1 protein from the Sanger Dependency Map Cancer Cell Line Proteomics dataset.
Sci-Plex Drug Perturbation Signatures drug perturbations changing expression of PECAM1 gene from the Sci-Plex Drug Perturbation Signatures dataset.
SILAC Phosphoproteomics Signatures of Differentially Phosphorylated Proteins for Gene Perturbations gene perturbations changing phosphorylation of PECAM1 protein from the SILAC Phosphoproteomics Signatures of Differentially Phosphorylated Proteins for Gene Perturbations dataset.
Tabula Sapiens Gene-Cell Associations cell types with high or low expression of PECAM1 gene relative to other cell types from the Tabula Sapiens Gene-Cell Associations dataset.
TargetScan Predicted Conserved microRNA Targets microRNAs regulating expression of PECAM1 gene predicted using conserved miRNA seed sequences from the TargetScan Predicted Conserved microRNA Targets dataset.
TargetScan Predicted Nonconserved microRNA Targets microRNAs regulating expression of PECAM1 gene predicted using nonconserved miRNA seed sequences from the TargetScan Predicted Nonconserved microRNA Targets dataset.
TCGA Signatures of Differentially Expressed Genes for Tumors tissue samples with high or low expression of PECAM1 gene relative to other tissue samples from the TCGA Signatures of Differentially Expressed Genes for Tumors dataset.
TISSUES Curated Tissue Protein Expression Evidence Scores 2025 tissues with high expression of PECAM1 protein from the TISSUES Curated Tissue Protein Expression Evidence Scores 2025 dataset.
TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 tissues co-occuring with PECAM1 protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 dataset.
WikiPathways Pathways 2014 pathways involving PECAM1 protein from the Wikipathways Pathways 2014 dataset.
WikiPathways Pathways 2024 pathways involving PECAM1 protein from the WikiPathways Pathways 2024 dataset.