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Key Documents

ABS1509

Sigma-Aldrich

Anti-phospho-Neph1 (Tyr637/638) Antibody

from rabbit, purified by affinity chromatography

别名:

Kin of IRRE-like protein 1, Kin of irregular chiasm-like protein 1, Nephrin-like protein 1, phospho-Neph1 (Tyr637/638)

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About This Item

分類程式碼代碼:
12352203
eCl@ss:
32160702
NACRES:
NA.41

生物源

rabbit

品質等級

抗體表格

affinity isolated antibody

抗體產品種類

primary antibodies

無性繁殖

polyclonal

純化經由

affinity chromatography

物種活性

human

物種活性(以同源性預測)

rat (based on 100% sequence homology), mouse (based on 100% sequence homology)

技術

western blot: suitable

NCBI登錄號

UniProt登錄號

運輸包裝

wet ice

目標翻譯後修改

phosphorylation (pTyr637/pTyr638 )

基因資訊

human ... KIRREL1(55243)

一般說明

Kin of IRRE-like protein 1 (UniProt Q80W68; also known as Nephrin-like protein 1, Kin of IRRE like 1, Kin of irregular chiasm-like protein 1) is encoded by the Kirrel (also known as 6720469N11Rik, Kirrel1, Neph1) gene (Gene ID 170643) in murine species. Podocytes are specialized epithelial cells that are critical components of the glomerular filtration barrier. Glomerular injury, such as that caused by renal ischemia, is often characterized by the effacement of podocytes, loss of slit diaphragms, and proteinuria. The podocyte proteins Neph1 and nephrin are critical for maintaining the structural integrity of slit diaphragm and therefore the filtration function of the glomerulus by organizing a signaling complex at the podocyte cell membrane. The cytoplasmic domain of Neph1 plays a key role in actin cytoskeleton remodeling events that are directly associated with Fyn-mediated Neph1 pTyr637/638 phosphorylation that leads to the recruitment of adapter proteins and signaling molecules, such as Grb2, Csk tyrosine kinase, and ZO-1. Phosphorylation-induced association between Neph1 and ZO-1 plays a key role in defining the tight junction formation in podocytes.

特異性

Mouse Neph1 Tyr637/638 site is equivalent to human Neph1 Tyr605/606. Equivalent target site is also present in human spliced isoforms 2&3 (Tyr621/622 & Tyr502/503, respectively), but not in murine spliced isoform 2.

免疫原

Epitope: Cytoplasmic domain
Linear peptide corresponding to the cytoplasmic domain of mouse phospho-Neph1 (Tyr637/638).

應用

Detect Neph1 using this rabbit Polyclonal Anti-phospho-Neph1 Antibody (Tyr637/638), Cat. No. ABS1509, validated for use in Western Blotting.
Research Category
Signaling
Research Sub Category
Signaling Neuroscience
Western Blotting Analysis: A representative lot detected Neph1 phosphorylation in kinase assay using Fyn and COS-7 lysate containing exogenously expressed Neph1 (Data courtesy of Deepak Nihalini, University of Pennsylvania)
Western Blotting Analysis: A representative lot detected Neph1 phosphorylation in lysates from puromycin aminonucleoside-/PAN-treated human pocodytes (Arif, E., et al. (2014). J Biol Chem. 289(14):9502-9518).

品質

Evaluated by Western Blotting in pervanadate treated human podocyte cell lysate.

Western Blotting Analysis: A 1:1,000 dilution of this antibody detected Neph1 phosphorylation at the target tyrosine residues in 7.5 µL of pervanadate treated human podocyte cell lysate.

標靶描述

~120 kDa observed. Target band size appears larger than the calculated molecular weight (87.2 kDa/murine isoform 1, 72.4-85.0 kDa/human isoform 1-3) due to posttranslational modifications (glycosylation & phosphorylation). Uncharacterized band(s) may appear in some lysates.

外觀

Affinity purified
Purified rabbit polyclonal antibody in buffer containing PBS/glycine/5% BSA, .02% Sodium Azide and 30% glycerol.

儲存和穩定性

Stable for 1 year at -20°C from date of receipt.
Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.
Note: Variability in freezer temperatures below -20°C may cause glycerol containing solutions to become frozen during storage.

其他說明

Concentration: Please refer to lot specific datasheet.

免責聲明

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.

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儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 3


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Ehtesham Arif et al.
The Journal of biological chemistry, 289(14), 9502-9518 (2014-02-21)
Podocytes are specialized epithelial cells that are critical components of the glomerular filtration barrier, and their dysfunction leads to proteinuria and renal failure. Therefore, preserving podocyte function is therapeutically significant. In this study, we identified Neph1 signaling as a therapeutic

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