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GENE AND PROTEIN SUMMARY

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Gene name

ICAM1

Description

intercellular adhesion molecule 1

Protein class

Candidate cancer biomarkers, Candidate cardiovascular disease genes, CD markers, Mapped to UniProt SWISS-PROT, Plasma proteins, Potential transmembrane proteins, Potentially secreted proteins

Protein evidence

High

Entrez gene summary

This gene encodes a cell surface glycoprotein which is typically expressed on endothelial cells and cells of the immune system. It binds to integrins of type CD11a / CD18, or CD11b / CD18 and is also exploited by Rhinovirus as a receptor. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

3 in total
2 with predicted TM region
3 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Plasma membrane

Additional location(s)

 

Staining summary

Staining of plasma membrane in U-251 MG.

Reliability (Single)

Antibodies in assay

CAB002142
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Alveolar and endothelial cells showed distinct membranous expression. Expression was also observed in subsets of lymphoid cells.

Tissue specificity

Expressed in 18 out of 81 cell types

Reliability (APE)

High

Antibodies in assay

HPA002126, CAB002142, HPA004877
 

Organ

No of cell types

Protein expression

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 12
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 14
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 53% of the cancers

Antibodies in assay

HPA002126, CAB002142, HPA004877
 

Tissue

Cancer staining

Protein
expression of
normal tissue

Breast cancer
 
Carcinoid
 
Cervical cancer
 
 
Colorectal cancer
 
 
Endometrial cancer
 
 
Glioma
 
Head and neck cancer
 
 
Liver cancer
 
 
Lung cancer
 
 
Lymphoma
 
 
 

Tissue

Cancer staining

Protein
expression of
normal tissue

Melanoma
 
Ovarian cancer
 
Pancreatic cancer
 
Prostate cancer
 
Renal cancer
 
Skin cancer
 
Stomach cancer
 
 
Testis cancer
 
Thyroid cancer
 
Urothelial cancer
 

Level of antibody staining





Strong
Moderate
Weak
Negative

CELL LINE SUMMARY

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RNA evidence

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA002126

CAB002142

HPA004877

CAB002142

A-431 Skin High
A-549 Lung Low
CACO-2 Colon Medium
HEK 293 Embryonal kidney Not detected
HeLa Cervix Low
Hep-G2 Liver High

-

MCF-7 Pleural effusion Low
PC-3 Bone marrow Medium
RT-4 Urinary bladder Low
U-2 OS Bone Low
U-251 MG Brain Low
Weak

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA002126 pAb
CAB002142 mAb
HPA004877 pAb