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GENE AND PROTEIN SUMMARY

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Gene name

MMP9

Description

matrix metallopeptidase 9 (gelatinase B, 92kDa gelatinase, 92kDa type IV collagenase)

Protein class

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

Protein evidence

High

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. The enzyme encoded by this gene degrades type IV and V collagens. Studies in rhesus monkeys suggest that the enzyme is involved in IL-8-induced mobilization of hematopoietic progenitor cells from bone marrow, and murine studies suggest a role in tumor-associated tissue remodeling. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus, Nucleoli, Cytoplasm

Additional location(s)

 

Staining summary

Localized to nucleus, nucleoli and cytoplasm.

Reliability (APE)

Low

Antibodies in assay

CAB000348, HPA001238
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Selective nuclear and cytoplasmic expression in a subset of lymphoid cells.

Tissue specificity

Expressed in 5 out of 78 cell types

Reliability (APE)

High

Antibodies in assay

CAB000348, HPA001238
 

Organ

No of cell types

Protein expression

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 3
Cardiovascular 1
Female tissues 11
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 13
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 9% of the cancers

Antibodies in assay

CAB000348, HPA001238
 

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

Medium
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

CAB000348

HPA001238

CAB000348

HPA001238

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB000348 pAb
HPA001238 pAb