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GENE AND PROTEIN SUMMARY

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Gene name

BTN3A1

Description

butyrophilin, subfamily 3, member A1

Protein class

CD markers, Mapped to UniProt SWISS-PROT, Potential transmembrane proteins, Potentially secreted proteins

Protein evidence

High

Entrez gene summary

The butyrophilin (BTN) genes are a group of major histocompatibility complex (MHC)-associated genes that encode type I membrane proteins with 2 extracellular immunoglobulin (Ig) domains and an intracellular B30.2 (PRYSPRY) domain. Three subfamilies of human BTN genes are located in the MHC class I region: the single-copy BTN1A1 gene (MIM 601610) and the BTN2 (e.g., BTN2A1; MIM 613590) and BTN3 (e.g., BNT3A1) genes, which have undergone tandem duplication, resulting in 3 copies of each (summary by Smith et al., 2010 [PubMed 20208008]).[supplied by OMIM, Nov 2010]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Cytoskeleton (Intermediate filaments), Aggresome

Additional location(s)

Vesicles 

Staining summary

Staining of cytoskeleton (intermediate filaments) in U-2 OS and vesicles in U-251 MG.

Reliability (Single)

Antibodies in assay

HPA012565
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Glandular cells in seminal vesicle, uterus, adrenal gland, gall bladder and the intestinal tract along with renal tubules, decidual cells and endothelial cells showed strong cytoplasmic and occasional membranous immunoreactivity. Glomeruli, hepatocytes and lymph node displayed moderate positivity. Cells in CNS, pancreas, parathyroid gland and myocytes were negative.

Tissue specificity

Staining in 44 out of 81 cell types

Reliability (Single)

Antibodies in assay

HPA012565
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 7
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 14
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 83% of the cancers

Antibodies in assay

HPA012565
 

Tissue

Cancer staining

Normal tissue
staining

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

Tissue

Cancer staining

Normal tissue
staining

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

Medium
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA012565

HPA012565

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA012565 pAb