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GENE AND PROTEIN SUMMARY

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Gene name

DPP8

Description

dipeptidyl-peptidase 8

Protein class

Enzymes, Mapped to UniProt SWISS-PROT, Peptidases, Potential transmembrane proteins

Protein evidence

High

Entrez gene summary

This gene encodes a member of the peptidase S9B family, a small family of dipeptidyl peptidases that are able to cleave peptide substrates at a prolyl bond. The encoded protein shares similarity with dipeptidyl peptidase IV in that it is ubiquitously expressed, and hydrolyzes the same substrates. These similarities suggest that, like dipeptidyl peptidase IV, this protein may play a role in T-cell activation and immune function. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Cytoplasm

Additional location(s)

Nucleus but not nucleoli 

Staining summary

Staining of cytoplasm in all three cell lines with additional staining of nuclei in U-251MG.

Reliability (Single)

Antibodies in assay

HPA008706
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Normal cells showed mainly moderate cytoplasmic as well as membranous staining. Glandular cells in gastrointestinal tract, gallbladder and thyroid gland were strongly positive.

Tissue specificity

Staining in 77 out of 79 cell types

Reliability (Single)

Antibodies in assay

HPA008706
 

Organ

No of cell types

Antibody staining

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 12
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 99% of the cancers

Antibodies in assay

HPA008706
 

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

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA008706

HPA008706

A-431 Skin Medium
Moderate
A-549 Lung Medium
CACO-2 Colon Medium

-

HEK 293 Embryonal kidney Medium
HeLa Cervix Medium
Hep-G2 Liver Medium
MCF-7 Pleural effusion Medium
PC-3 Bone marrow Medium
RT-4 Urinary bladder High
U-2 OS Bone Medium
Moderate
U-251 MG Brain Medium
Moderate

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA008706 pAb