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GENE AND PROTEIN SUMMARY

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Gene name

MARK2

Description

MAP/microtubule affinity-regulating kinase 2

Protein class

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

Protein evidence

Medium

Entrez gene summary

This gene encodes a member of the Par-1 family of serine/threonine protein kinases. The protein is an important regulator of cell polarity in epithelial and neuronal cells, and also controls the stability of microtubules through phosphorylation and inactivation of several microtubule-associating proteins. The protein localizes to cell membranes. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2009]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

17 in total
0 with predicted TM region
1 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleoli, Cytoplasm

Additional location(s)

 

Staining summary

Staining of the cytoplasm and nucleoli in all three cell lines.

Reliability (Single)

Antibodies in assay

HPA038790
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Most normal tissues showed weak to moderate cytoplasmic positivity. Membranous positivity was observed in several cases. Intestinal glands and renal tubules exhibited strong immunoreactivity. Lung, bile duct cells, bone marrow, smooth muscle, cells in glomeruli and reaction center cells of lymphoid tissues were negative.

Tissue specificity

Staining in 59 out of 78 cell types

Reliability (Single)

Antibodies in assay

HPA038790
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 4
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 13
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 47% of the cancers

Antibodies in assay

HPA038790
 

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

 

HPA038790

A-431 Skin High

-

Moderate
A-549 Lung High

-

CACO-2 Colon High

-

HEK 293 Embryonal kidney Medium

-

HeLa Cervix Medium

-

Hep-G2 Liver Medium

-

MCF-7 Pleural effusion High

-

PC-3 Bone marrow Medium

-

RT-4 Urinary bladder High

-

U-2 OS Bone Medium

-

Moderate
U-251 MG Brain Medium

-

Weak

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA038790 pAb