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GENE AND PROTEIN SUMMARY

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Gene name

ANXA1

Description

annexin A1

Protein class

Candidate cancer biomarkers, Mapped to UniProt SWISS-PROT, Transporters

Protein evidence

High

Entrez gene summary

Annexin I belongs to a family of Ca(2+)-dependent phospholipid binding proteins which have a molecular weight of approximately 35,000 to 40,000 and are preferentially located on the cytosolic face of the plasma membrane. Annexin I protein has an apparent relative molecular mass of 40 kDa, with phospholipase A2 inhibitory activity. Since phospholipase A2 is required for the biosynthesis of the potent mediators of inflammation, prostaglandins and leukotrienes, annexin I may have potential anti-inflammatory activity. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

4 in total
0 with predicted TM region
0 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Plasma membrane, Cytoplasm

Additional location(s)

 

Staining summary

Localized to the plasma membrane and cytoplasm.

Reliability (APE)

High

Antibodies in assay

HPA011271, HPA011272, CAB013023, CAB035987
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Cytoplasmic, membranous and nuclear expression at variable levels in selected tissues.

Tissue specificity

Expressed in 45 out of 82 cell types

Reliability (APE)

High

Antibodies in assay

HPA011271, HPA011272, CAB013023, CAB035987, CAB058693
 

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 15
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

HPA011271, HPA011272, CAB013023, CAB035987, CAB058693
 

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

HPA011271

HPA011272

CAB013023

CAB058693

HPA011271

HPA011272

CAB013023

CAB035987

A-431 Skin High
ModerateWeakStrong
A-549 Lung High
CACO-2 Colon High
HEK 293 Embryonal kidney Medium
HeLa Cervix High
Hep-G2 Liver Low
MCF-7 Pleural effusion Low
PC-3 Bone marrow High
RT-4 Urinary bladder High
U-2 OS Bone High
NegativeStrongModerate
U-251 MG Brain High
WeakWeakModerateModerate

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA011271 pAb
HPA011272 pAb
CAB013023 pAb
CAB035987 mAb
CAB058693 mAb