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ABT1760

Sigma-Aldrich

Anti-phospho-VE-Cadherin (Tyr685)

from rabbit, purified by affinity chromatography

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Synonym(s):
Cadherin-5, Tyr685-phosphorylated, 7B4 antigen, Tyr685-phosphorylated, CD144, Tyr685-phosphorylated, Vascular endothelial cadherin, Tyr685-phosphorylated, VE-Cad, Tyr685-phosphorylated, VE-cadherin, Tyr685-phosphorylated
eCl@ss:
32160702

biological source

rabbit

Quality Level

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

purified by

affinity chromatography

species reactivity

human

species reactivity (predicted by homology)

porcine (based on 100% sequence homology), bovine (based on 100% sequence homology)

technique(s)

western blot: suitable

NCBI accession no.

UniProt accession no.

shipped in

ambient

target post-translational modification

phosphorylation (pTyr685)

Gene Information

human ... CDH5(1003)

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ABT1760

Anti-phospho-VE-Cadherin (Tyr685)

biological source

rabbit

biological source

rabbit

biological source

rabbit

biological source

rabbit

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

-

Gene Information

human ... CDH5(1003)

Gene Information

human ... CDH5(1003)

Gene Information

human ... CDH11(1009)

Gene Information

human ... CDH5(1003)

clone

polyclonal

clone

polyclonal

clone

polyclonal

clone

polyclonal

shipped in

ambient

shipped in

wet ice

shipped in

wet ice

shipped in

-

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General description

Cadherin-5 (UniProt P33151; also known as 7B4 antigen, CD144, Vascular endothelial cadherin, VE-Cad, VE-cadherin) is encoded by the CDH5 gene (Gene ID 1003) in human. Cadherins (calcium-dependent adhesion) are type-1 transmembrane proteins that form adherens junctions in tissues and play important roles in mediating cell adhesion. Cadherins are designated with a prefix that specifies their tissue association. Vascular endothelial-cadherin (VE-cadherin) is the transmembrane component of the endothelial adherens junction between vascular endothelial cells (ECs) and plays a pivotal role in endothelium integrity and in the control of vascular permeability. One characteristic of VEGF-induced vascular permeability is the phosphorylation of VE-cadherin by Src family kinases (SFK), which leads to VE-cadherin internalization and the destabilization of adherens junctions. Likewise, VE-cadherin overexpression is shown to decrease the permeability of endothelial monolayers in vitro. SFK activation by dominant negative Csk overexpression is reported to result in VE-cadherin phosphorylation at tyrosines 658, 685, and 731 in human dermal microvascular endothelial cells (HDMECs) without affecting HDMEC monolayer permeability. On the other hand, expression of constitutively active Src promoted VE-cadherin phosphorylation on tyrosines 658 and 731 and decreased barrier function, suggesting that concurrent signaling events in addition to VE-cadherin tyrosine phosphorylation are needed to promote barrier permeability in response to inflammatory mediators or growth factors. VE-cadherin is initially produced with a signal peptide (a.a. 1-24) and a propeptide (a.a. 25-45) sequence, the removal of which yields tthe mature protein containing a large extracellular region (a.a. 46-599) with five cadherine repeats (a.a. 46-149, 150-256, 257-371, 372-476, 477-593), followed by a transmembrane segment (a.a. 600-620) and a cytoplasmic domain (a.a. 621-784).

Specificity

Target specificity of this rabbit polyclonal antibody has been verified by immunogen peptide blocking in Western blotting application. Numbering of the target VE-cadherin phosphotyrosine residue varies depending on whether the N-terminal signal peptide sequence and propeptide sequence are included, as well as the species and spliced isoform a particular numbering is based on. Target pTyr this rabbit polyclonal detects corresponds to pTyr685/pTyr638 of human spliced isoform 1 precursor/mature sequence (UniProt P33151-1), pTyr570/pTyr523 of human spliced isoform 2 precursor/mature sequence (UniProt P33151-2), pTyr685/pTyr640 of bovine precursor/mature sequence (UniProt Q6URK6), and pTyr684/pTyr40 of porcine precursor/mature sequence (UniProt O02840). Equivalent target site sequence is not present in mouse, rat, or chicken VE-cadherin sequence.

Immunogen

Epitope: cytoplasmic domain
KLH-conjugated linear peptide corresponding to a sequence surrounding phosphorylated Tyr685 of human VE-cadherin isoform 1 precursor sequence.

Application

Peptide Inhibition Analysis: Target specificity of a representative lot was verified by immunogen peptide blocking in Western blotting application. Preblocking of the antibody with the immunogen peptide, but not the corresponding non-phosphorylated peptide, prevented target band detection.
Research Category
Cell Structure
This rabbit polyclonal Anti-phospho-VE-Cadherin (Tyr685), Cat. No. ABT1760 is validated for use in Western Blotting with immunogen peptide blocking for the detection of VE-cadherin tyrosine 685 phosphorylation.

Quality

Evaluated by Western Blotting in HUVEC lysate.

Western Blotting Analysis: 1 µg/mL of this antibody detected VE-cadherin pTyr685 phosphorylation in 10 µg of HUVEC lysate.

Target description

~130 kDa observed. Target band size appears larger than the calculated molecular weights of 82,58/69.55 kDa (human mature isoform 1/2), 87.53/74.50 kDa (human isoform 1/2 precursor), 82.80/87.47 kDa (bovine mature/precursor), and 82.45/87.55 kDa (porcine mature/precursor) due to glycosylation. Uncharacterized bands may be observed in some lysate(s).

Physical form

Affinity purified.
Purified rabbit polyclonal antibody in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Storage and Stability

Stable for 1 year at 2-8°C from date of receipt.

Other Notes

Concentration: Please refer to lot specific datasheet.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Wenjun Wang et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 33(1), 1199-1208 (2018-08-14)
Tumor vasculature is known to be more permeable than the vasculature found in healthy tissue, which in turn can lead to a more aggressive tumor phenotype and impair drug delivery into tumors. While the stiffening of the stroma surrounding solid

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