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GENE AND PROTEIN SUMMARY

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Gene name

LGALS3BP

Description

lectin, galactoside-binding, soluble, 3 binding protein

Protein class

Candidate cancer biomarkers, Mapped to UniProt SWISS-PROT, Potentially secreted proteins

Protein evidence

High

Entrez gene summary

The galectins are a family of beta-galactoside-binding proteins implicated in modulating cell-cell and cell-matrix interactions. LGALS3BP has been found elevated in the serum of patients with cancer and in those infected by the human immunodeficiency virus (HIV). It appears to be implicated in immune response associated with natural killer (NK) and lymphokine-activated killer (LAK) cell cytotoxicity. Using fluorescence in situ hybridization the full length 90K cDNA has been localized to chromosome 17q25. The native protein binds specifically to a human macrophage-associated lectin known as Mac-2 and also binds galectin 1. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus but not nucleoli, Vesicles

Additional location(s)

 

Staining summary

Localized to the nucleus and vesicles.

Reliability (APE)

Low

Antibodies in assay

HPA000554, CAB002158
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Selective cytoplasmic and secreted expression in secretory glandular epithelia. Highest expression in genitalia, urinary bladder and gastrointestinal tract.

Tissue specificity

Expressed in 38 out of 83 cell types

Reliability (APE)

Medium

Antibodies in assay

HPA000554, CAB002158
 

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 13
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 55% of the cancers

Antibodies in assay

HPA000554, CAB002158
 

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

HPA000554

CAB002158

HPA000554

CAB002158

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA000554 pAb
CAB002158 mAb