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GENE AND PROTEIN SUMMARY

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Gene name

SEMA7A

Description

semaphorin 7A, GPI membrane anchor (John Milton Hagen blood group)

Protein class

Blood group antigen proteins, CD markers, Mapped to UniProt SWISS-PROT, Potential transmembrane proteins, Potentially secreted proteins

Protein evidence

Medium

Entrez gene summary

The protein encoded by this gene binds to cell surfaces through a glycosylphosphatidylinositol (GPI) linkage. The encoded glycoprotein is found on activated lymphocytes and erythrocytes. This protein may be involved in immunomodulatory and neuronal processes. Defects in this gene can result in loss of bone mineral density (BMD). Three transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Mar 2009]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

4 in total
3 with predicted TM region
2 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Cytoplasm

Additional location(s)

Centrosome, Aggresome 

Staining summary

Staining of cytoplasm in all three cell lines with additional staining of centrosome in U-251 MG and aggresome in U-2 OS.

Reliability (Single)

Antibodies in assay

HPA042273
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Moderate cytoplasmic positivity was observed in normal tissues. Strong staining was displayed by pneumocytes, gastrointestinal tract, exocrine pancreas and fallopian tube. Glial cells and lymphoid tissues were generally negative.

Tissue specificity

Staining in 56 out of 77 cell types

Reliability (Single)

Antibodies in assay

HPA042273
 

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 4
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 54% of the cancers

Antibodies in assay

HPA042273
 

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

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA042273

HPA042273

A-431 Skin Medium
Weak
A-549 Lung Low
CACO-2 Colon Medium
HEK 293 Embryonal kidney Low
HeLa Cervix Low
Hep-G2 Liver Medium
MCF-7 Pleural effusion Low
PC-3 Bone marrow Medium
RT-4 Urinary bladder Medium
U-2 OS Bone High
Weak
U-251 MG Brain High
Weak

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA042273 pAb