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GENE AND PROTEIN SUMMARY

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Gene name

PTPN11

Description

protein tyrosine phosphatase, non-receptor type 11

Protein class

Enzymes, Mapped to UniProt SWISS-PROT, Mutated genes in cancer, SH2-domain containing proteins

Protein evidence

High

Entrez gene summary

The protein encoded by this gene is a member of the protein tyrosine phosphatase (PTP) family. PTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. This PTP contains two tandem Src homology-2 domains, which function as phospho-tyrosine binding domains and mediate the interaction of this PTP with its substrates. This PTP is widely expressed in most tissues and plays a regulatory role in various cell signaling events that are important for a diversity of cell functions, such as mitogenic activation, metabolic control, transcription regulation, and cell migration. Mutations in this gene are a cause of Noonan syndrome as well as acute myeloid leukemia. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2012]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleoli, Cytoplasm

Additional location(s)

Nucleus, Cytoskeleton (Actin filaments) 

Staining summary

Staining of nucleus and cytoplasm in all three cell lines with additional staining of cytoskeleton (actin filaments) in A-431 and U-2 OS

Reliability (Single)

Antibodies in assay

CAB005377
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Moderate to strong cytoplasmic positivity was observed in most normal tissues. Additional nuclear staining was observed in respiratory epithelia, thyroid and gall bladder.

Tissue specificity

Staining in 67 out of 69 cell types

Reliability (Single)

Antibodies in assay

CAB005377
 

Organ

No of cell types

Antibody staining

CNS (brain) 10
Hematopoietic (blood) 7
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Female tissues 12
Placenta 2
Male tissues 4
Urinary tract (kidney) 3
Skin and soft tissues 6
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 94% of the cancers

Antibodies in assay

CAB005377
 

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

CAB005377

CAB005377

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB005377 msAb