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GENE AND PROTEIN SUMMARY

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Gene name

TAC1

Description

tachykinin, precursor 1

Protein class

Mapped to UniProt SWISS-PROT, Potential transmembrane proteins, Potentially secreted proteins

Protein evidence

Medium

Entrez gene summary

This gene encodes four products of the tachykinin peptide hormone family, substance P and neurokinin A, as well as the related peptides, neuropeptide K and neuropeptide gamma. These hormones are thought to function as neurotransmitters which interact with nerve receptors and smooth muscle cells. They are known to induce behavioral responses and function as vasodilators and secretagogues. Multiple 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

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Cytoplasm, Golgi apparatus

Additional location(s)

Nucleus but not nucleoli, Plasma membrane 

Staining summary

Staining of cytoplasm and Golgi in all three cell lines with additional staining of plasma membrane in A-431 and nucleus in U-2 OS.

Reliability (Single)

Antibodies in assay

HPA014429
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Cytoplasmic and membranous expression at variable levels in most cell types.

Tissue specificity

Expressed in 65 out of 80 cell types

Reliability (APE)

Low

Antibodies in assay

CAB004588, HPA014429
 

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 13
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 40% of the cancers

Antibodies in assay

CAB004588, HPA014429
 

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

Low
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

CAB004588

HPA014429

HPA014429

A-431 Skin Not detected
Moderate
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 Not detected
PC-3 Bone marrow Not detected
RT-4 Urinary bladder Not detected
U-2 OS Bone Low
Weak
U-251 MG Brain Not detected
Weak

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB004588 mAb
HPA014429 pAb