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GENE AND PROTEIN SUMMARY

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Gene name

CNN1

Description

calponin 1, basic, smooth muscle

Protein class

Candidate cancer biomarkers, Mapped to UniProt SWISS-PROT

Protein evidence

High

Entrez gene summary

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Cytoskeleton (Actin filaments)

Additional location(s)

Nucleus 

Staining summary

Staining of cytoskeleton (actin filaments) in all three cell lines with additional staining of nucleus in U-251 MG and A-431.

Reliability (Single)

Antibodies in assay

HPA014263
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Highly selective cytoplasmic expression in smooth muscle and myoepithelia.

Tissue specificity

Expressed in 2 out of 80 cell types

Reliability (APE)

High

Antibodies in assay

CAB000007, HPA014263
 

Organ

No of cell types

Protein expression

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 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 6% of the cancers

Antibodies in assay

CAB000007, HPA014263
 

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

CAB000007

HPA014263

HPA014263

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB000007 mAb
HPA014263 pAb