E9902
Ephrin-A1/Fc Chimera from mouse
>90% (SDS-PAGE), recombinant, expressed in NSO cells, lyophilized powder
Synonym(s):
B61, EFL-1, LERK-1
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About This Item
biological source
mouse
Quality Level
recombinant
expressed in NSO cells
Assay
>90% (SDS-PAGE)
form
lyophilized powder
potency
0.16-10 ng/mL
mol wt
monomer calculated mol wt 46.8 kDa
50-55 kDa by SDS-PAGE (reducing)
packaging
pkg of 200 μg
storage condition
avoid repeated freeze/thaw cycles
impurities
endotoxin, tested
UniProt accession no.
storage temp.
−20°C
Gene Information
mouse ... Efna1(13636)
Biochem/physiol Actions
EphA1 (ephrin receptor A1) plays an essential role in development, and is involved in the guidance of axonal and cell migration in nervous system. Disruption of ephrin signaling might be involved in the tumorigenesis of clear cell renal cell carcinoma, and absence of EphA1 has a favorable prognosis in the same. It might also be involved in the tumorigenesis and progression of prostate cancer, and might have potential as a marker for prognosis, as well as a therapeutic target. Studies show that it reduces the risk of Alzheimer′s disease, by hindering pathological changes in brain areas such as, hippocampus, lateral occipitotemporal and inferior temporal gyri. In esophageal squamous cells, it acts as differentiation marker. Its expression is elevated in esophageal squamous cell carcinoma, and this relates to advanced stage and metastasis to lymph node.
Member of ephrin ligand family that binds Eph receptor tyrosine kinases (EphA1, EphA2, EphA3, EphA4, EphA5, EphA6, EphA7 and EphB1). Involved in pattern formation and morphogenesis. Ephrin-A1 can be detected on fetal osteoblasts, odotoblasts, chondrocytes, and squamous epithelium. Ephrin-A1 is expressed during embryonic vasculogenesis and during tumor-induced angiogenesis.
Other Notes
Extracellular domain of mouse ephrin-A1 (amino acids 1-182) fused to the C-terminal 6X histidine-tagged Fc region of human IgG.
Physical form
Lyophilized from a 0.2 μm filtered solution in phosphate buffered saline.
Analysis Note
The biological activity is measured by its ability to bind recombinant mouse EphA2/Fc in ELISA.
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
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Augustin DuSablon et al.
PloS one, 12(12), e0189307-e0189307 (2017-12-14)
EphrinA1, a membrane-bound receptor tyrosine kinase ligand expressed in healthy cardiomyocytes, is lost in injured cells following myocardial infarction. Previously, we have reported that a single intramyocardial injection of chimeric ephrinA1-Fc at the time of ischemia reduced injury in the
Matthieu Chavent et al.
Biochemistry, 53(42), 6641-6652 (2014-10-07)
EphA1 is a receptor tyrosine kinase (RTK) that plays a key role in developmental processes, including guidance of the migration of axons and cells in the nervous system. EphA1, in common with other RTKs, contains an N-terminal extracellular domain, a
Hui-Fu Wang et al.
Journal of Alzheimer's disease : JAD, 44(1), 115-123 (2014-09-04)
Ephrin type-A receptor 1 (EPHA1) (11771145) was documented to be one of the most strongly associated locus with Alzheimer's disease (AD) in a recent meta-analysis of five genome wide association studies. However, its contribution to the pathogenesis of AD remains
Marieta I Toma et al.
PloS one, 9(7), e102262-e102262 (2014-07-16)
The EPH receptor tyrosine kinases and their cell-bound ligands, the ephrins, have been shown to be associated with cancer development and progression. In this study, mRNA and protein expression of the receptors EPHA1 and EPHA2 as well as of their
Libo Peng et al.
International journal of clinical and experimental pathology, 6(9), 1854-1860 (2013-09-17)
The erythropoietin-producing hepatocellular (Eph) family of receptor tyrosine kinases regulates a multitude of physiological and pathological processes. EphA1 is the first member of Eph superfamily and is involved in carcinogenesis. The aim of this study was to investigate the expression
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