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GENE AND PROTEIN SUMMARY

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Gene name

MMP2

Description

matrix metallopeptidase 2 (gelatinase A, 72kDa gelatinase, 72kDa type IV collagenase)

Protein class

Candidate cancer biomarkers, Candidate cardiovascular disease genes, Enzymes, Mapped to UniProt SWISS-PROT, Peptidases, Plasma proteins, Potential transmembrane proteins, Potentially secreted proteins

Protein evidence

Medium

Entrez gene summary

Proteins of the matrix metalloproteinase (MMP) family are involved in the breakdown of extracellular matrix in normal physiological processes, such as embryonic development, reproduction, and tissue remodeling, as well as in disease processes, such as arthritis and metastasis. Most MMP's are secreted as inactive proproteins which are activated when cleaved by extracellular proteinases. This gene encodes an enzyme which degrades type IV collagen, the major structural component of basement membranes. The enzyme plays a role in endometrial menstrual breakdown, regulation of vascularization and the inflammatory response. Mutations in this gene have been associated with Winchester syndrome and Nodulosis-Arthropathy-Osteolysis (NAO) syndrome. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

8 in total
0 with predicted TM region
1 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Cytoplasm, Vesicles

Additional location(s)

 

Staining summary

Localized to vesicles or the cytoplasm.

Reliability (APE)

Very low

Antibodies in assay

HPA001939, CAB002788
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Ubiquitous cytoplasmic expression in all tissues at variable levels.

Tissue specificity

Expressed in 69 out of 74 cell types

Reliability (APE)

Very low

Antibodies in assay

HPA001939, CAB002788
 

Organ

No of cell types

Protein expression

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 12
Respiratory (lung) 4
Cardiovascular 1
Female tissues 11
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 9
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 59% of the cancers

Antibodies in assay

HPA001939, CAB002788
 

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

HPA001939

CAB002788

HPA001939

CAB002788

A-431 Skin Low
WeakWeak
A-549 Lung Low
CACO-2 Colon Low
HEK 293 Embryonal kidney Low
HeLa Cervix Medium
Hep-G2 Liver Low
MCF-7 Pleural effusion Not detected
PC-3 Bone marrow Low
RT-4 Urinary bladder Medium
U-2 OS Bone High
WeakModerate
U-251 MG Brain High
WeakWeak

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA001939 pAb
CAB002788 mAb