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GENE AND PROTEIN SUMMARY

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Gene name

TRPM1

Description

transient receptor potential cation channel, subfamily M, member 1

Protein class

Mapped to UniProt SWISS-PROT, Plasma proteins, Potential transmembrane proteins, Voltage-gated ion channels

Protein evidence

Medium

Entrez gene summary

This gene encodes a member of the transient receptor potential melastatin subfamily of transient receptor potential ion channels. The encoded protein is a calcium permeable cation channel that is expressed in melanocytes and may play a role in melanin synthesis. Specific mutations in this gene are the cause autosomal recessive complete congenital stationary night blindness-1C. The expression of this protein is inversely correlated with melanoma aggressiveness and as such it is used as a prognostic marker for melanoma metastasis. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Oct 2011]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

9 in total
6 with predicted TM region
0 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus but not nucleoli, Cytoplasm

Additional location(s)

 

Staining summary

Staining of cytoplasm and nucleus in U-251 MG and A-431.

Reliability (Single)

Antibodies in assay

HPA014785
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Most normal tissues exhibited moderate cytoplasmic and membranous positivity. Trophoblastic cells and epididymis for example showed strong staining.

Tissue specificity

Staining in 72 out of 78 cell types

Reliability (Single)

Antibodies in assay

HPA014785
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 12
Placenta 1
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 12
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 96% of the cancers

Antibodies in assay

HPA014785
 

Tissue

Cancer staining

Normal tissue
staining

Breast cancer
 
Carcinoid
 
Cervical cancer
 
 
Colorectal cancer
 
 
Endometrial cancer
 
 
Glioma
 
Head and neck cancer
 
 
Liver cancer
 
 
Lung cancer
 
 
Lymphoma
 
 
 

Tissue

Cancer staining

Normal tissue
staining

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

Not detected
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA014785

HPA014785

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA014785 pAb