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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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PGC
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  • PATHOLOGY

PATHOLOGY ATLAS

GENE/PROTEIN

Antibody validation

Dictionary

Level of antibody staining/expression





High
Medium
Low
Not detected

GENERAL INFORMATION

Gene name

PGC

Gene description

Progastricsin (pepsinogen C)

Protein class

Cancer-related genes
Enzymes
Predicted intracellular proteins
Predicted secreted proteins

Predicted localization

Intracellular,Secreted

Number of transcripts

4
SHOW MORE

HUMAN PROTEIN ATLAS INFORMATION

RNA category

TCGA (cancer tissue):Tissue enhanced (stomach cancer)
HPA (cell line):Cell line enriched (Hep G2)
HPA (normal tissue):Tissue enriched (stomach)

Protein evidence

Evidence at protein level

Protein expression
normal tissue

Distinct cytoplasmic expression in gastric glands.

ANTIBODY IHC RELIABILITY

Data reliability
description

Antibody staining mainly consistent with RNA expression data.

Reliability score

Supported based on 2 antibodies.
HPA031717 , HPA031718
SHOW MORE

PROGNOSTIC SUMMARY

Gene product is not prognostic.
Show all

RNA EXPRESSION OVERVIEW

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

PROTEIN EXPRESSION

Colorectal cancer
Breast cancer
Prostate cancer
Lung cancer
Liver cancer

STAINING SUMMARY

HPA031717
HPA031718

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

A single case of gastric cancer exhibited strong cytoplasmic and extracellular immunoreactivity. Other tumors along with stroma were mainly 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

Malignant cells generally showed weak staining or were negative. A few cases of gastric cancers showed moderate to strong cytoplasmic immunoreactivity. Moderate nuclear staining was observed in a few cases of malignant melanomas, skin, colorectal and pancreatic cancers.

GENE INFORMATION

Gene name

PGC

Synonyms

Description

Progastricsin (pepsinogen C) (HGNC Symbol)

Entrez gene summary

This gene encodes an aspartic proteinase that belongs to the peptidase family A1. The encoded protein is a digestive enzyme that is produced in the stomach and constitutes a major component of the gastric mucosa. This protein is also secreted into the serum. This protein is synthesized as an inactive zymogen that includes a highly basic prosegment. This enzyme is converted into its active mature form at low pH by sequential cleavage of the prosegment that is carried out by the enzyme itself. Polymorphisms in this gene are associated with susceptibility to gastric cancers. Serum levels of this enzyme are used as a biomarker for certain gastric diseases including Helicobacter pylori related gastritis. Alternate splicing results in multiple transcript variants. A pseudogene of this gene is found on chromosome 1. [provided by RefSeq, Oct 2009]

Chromosome

6

Cytoband

p21.1

Chromosome location (bp)

41736711 - 41754109

Protein evidence

Evidence at protein level (all genes)

Ensembl

ENSG00000096088 (version 83.38)

Entrez gene

5225

UniProt

P20142 (UniProt - Evidence at protein level)

neXtProt

NX_P20142

Antibodypedia

PGC antibodies

PROTEIN BROWSER

PGC-001
PGC-003
PGC-004
PGC-201

PROTEIN INFORMATION

Splice variant

UniProt

Protein class

Gene ontology

Length & mass

Signal peptide
(predicted)

Transmembrane regions
(predicted)

PGC-001
ENSP00000362116
ENST00000373025
P20142 [Direct mapping]
Gastricsin
Show all
Enzymes
   ENZYME proteins
   Hydrolases
   Peptidases
   Aspartic-type peptidases
Predicted secreted proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
Cancer-related genes
   Candidate cancer biomarkers
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0002803 [positive regulation of antibacterial peptide production]
GO:0004190 [aspartic-type endopeptidase activity]
GO:0005615 [extracellular space]
GO:0006508 [proteolysis]
GO:0007586 [digestion]
GO:0030163 [protein catabolic process]
GO:0070062 [extracellular exosome]
Show all
388 aa
42.4 kDa
Yes 0
PGC-003
ENSP00000349094
ENST00000356667
Q4VXA6 [Direct mapping]
Gastricsin
Show all
Predicted secreted proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004190 [aspartic-type endopeptidase activity]
GO:0006508 [proteolysis]
GO:0030163 [protein catabolic process]
Show all
140 aa
15.7 kDa
Yes 0
PGC-004
ENSP00000399429
ENST00000415707
A2A3L9 [Direct mapping]
Gastricsin
Show all
Predicted intracellular proteins
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004190 [aspartic-type endopeptidase activity]
GO:0006508 [proteolysis]
GO:0030163 [protein catabolic process]
Show all
86 aa
10 kDa
No 0
PGC-201
ENSP00000405094
ENST00000425343
P20142 [Direct mapping]
Gastricsin
Show all
Enzymes
   ENZYME proteins
   Hydrolases
   Peptidases
   Aspartic-type peptidases
   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
Cancer-related genes
   Candidate cancer biomarkers
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0002803 [positive regulation of antibacterial peptide production]
GO:0004190 [aspartic-type endopeptidase activity]
GO:0005615 [extracellular space]
GO:0006508 [proteolysis]
GO:0007586 [digestion]
GO:0030163 [protein catabolic process]
GO:0070062 [extracellular exosome]
Show all
315 aa
34.2 kDa
Yes 0

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