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Field

Term
Gene name

Class

Subclass

Chromosome

External id

In atlas

Reliability

Reliability

Reliability

Validation

Method

Validation

Method

Validation

Method

Validation

Location

Searches

Tissue

Cell type

Expression

Tissue

Specificity

Cell line

Specificity

Cancer

Specificity

Tissue

Detectable

Cell line

Detectable

Cancer

Detectable

Cancer

Prognosis

Category

Score

Score

Score

Antibodies

Column

 
 
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CST6
  • premium

    TISSUE

  • CELL

  • PATHOLOGY

PATHOLOGY ATLAS

GENE/PROTEIN

Antibody validation

Dictionary

Level of antibody staining/expression





High
Medium
Low
Not detected

GENERAL INFORMATION

Gene name

CST6

Gene description

Cystatin E/M

Protein class

Cancer-related genes
Plasma proteins
Predicted secreted proteins

Predicted localization

Secreted

Number of transcripts

1
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HUMAN PROTEIN ATLAS INFORMATION

RNA category

TCGA (cancer tissue):Tissue enhanced (thyroid cancer)
HPA (cell line):Group enriched (A-431, CAPAN-2)
HPA (normal tissue):Tissue enriched (skin)

Protein evidence

Evidence at protein level

Protein expression
normal tissue

Selective cytoplasmic expression in squamous epithelium of skin.

ANTIBODY IHC RELIABILITY

Data reliability
description

Antibody staining consistent with RNA expression data.

Reliability score

Supported based on 2 antibodies.
HPA044963 , CAB019316
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PROGNOSTIC SUMMARY

Gene product is not prognostic.
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RNA EXPRESSION OVERVIEW

TCGA dataset
RNA cancer category: Tissue enhanced (thyroid cancer)

PROTEIN EXPRESSION

Colorectal cancer
Breast cancer
Prostate cancer
Lung cancer
Liver cancer

STAINING SUMMARY

HPA044963
CAB019316

Cancer

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
 
 
 

Cancer

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
 

Staining summary

Cases of colorectal cancers displayed moderate to strong nucleolar staining. A few melanomas, squamous cell carcinomas of skin and embryonal testicular carcinomas showed moderate nucleolar immunoreactivity. Remaining cancers were generally negative.

Cancer

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
 
 
 

Cancer

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
 

Staining summary

Cancer cells were in general negative.

GENE INFORMATION

Gene name

CST6

Synonyms

Description

Cystatin E/M (HGNC Symbol)

Entrez gene summary

The cystatin superfamily encompasses proteins that contain multiple cystatin-like sequences. Some of the members are active cysteine protease inhibitors, while others have lost or perhaps never acquired this inhibitory activity. There are three inhibitory families in the superfamily, including the type 1 cystatins (stefins), type 2 cystatins and the kininogens. The type 2 cystatin proteins are a class of cysteine proteinase inhibitors found in a variety of human fluids and secretions, where they appear to provide protective functions. This gene encodes a cystatin from the type 2 family, which is down-regulated in metastatic breast tumor cells as compared to primary tumor cells. Loss of expression is likely associated with the progression of a primary tumor to a metastatic phenotype. [provided by RefSeq, Jul 2008]

Chromosome

11

Cytoband

q13.1

Chromosome location (bp)

66011841 - 66013505

Protein evidence

Evidence at protein level (all genes)

Ensembl

ENSG00000175315 (version 83.38)

Entrez gene

1474

UniProt

Q15828 (UniProt - Evidence at protein level)

neXtProt

NX_Q15828

Antibodypedia

CST6 antibodies

PROTEIN BROWSER

CST6-001

PROTEIN INFORMATION

Splice variant

UniProt

Protein class

Gene ontology

Length & mass

Signal peptide
(predicted)

Transmembrane regions
(predicted)

CST6-001
ENSP00000311313
ENST00000312134
Q15828 [Direct mapping]
Cystatin-M
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   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
Predicted secreted proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
Plasma proteins
Cancer-related genes
   Candidate cancer biomarkers
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
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GO:0001533 [cornified envelope]
GO:0004869 [cysteine-type endopeptidase inhibitor activity]
GO:0008544 [epidermis development]
GO:0009653 [anatomical structure morphogenesis]
GO:0010951 [negative regulation of endopeptidase activity]
GO:0070062 [extracellular exosome]
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149 aa
16.5 kDa
Yes 0

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