• Phare
  • Validé par KD/KO

Anticorps Monoclonal anti-KEAP1

KEAP1 Monoclonal Antibody for IF

Hôte / Isotype

Mouse / IgA

Réactivité testée

Humain, rat, souris

Applications

IF

Conjugaison

CoraLite® Plus 488 Fluorescent Dye

CloneNo.

4G10H9

N° de cat : CL488-60027

Synonymes

Cytosolic inhibitor of Nrf2, INrf2, KEAP1, Kelch like protein 19, KIAA0132, KLHL19



Applications testées

Résultats positifs en IFcellules HeLa,

Dilution recommandée

ApplicationDilution
Immunofluorescence (IF)IF : 1:50-1:500
It is recommended that this reagent should be titrated in each testing system to obtain optimal results.
Sample-dependent, check data in validation data gallery

Applications publiées

IFSee 1 publications below

Informations sur le produit

CL488-60027 cible KEAP1 dans les applications de IF et montre une réactivité avec des échantillons Humain, rat, souris

Réactivité Humain, rat, souris
Réactivité citéesouris
Hôte / Isotype Mouse / IgA
Clonalité Monoclonal
Type Anticorps
Immunogène KEAP1 Protéine recombinante Ag0779
Nom complet kelch-like ECH-associated protein 1
Masse moléculaire calculée 624 aa, 70 kDa
Poids moléculaire observé 70 kDa
Numéro d’acquisition GenBankBC002930
Symbole du gène KEAP1
Identification du gène (NCBI) 9817
Conjugaison CoraLite® Plus 488 Fluorescent Dye
Excitation/Emission maxima wavelengths493 nm / 522 nm
Forme Liquide
Méthode de purification Chromatographie d'affinité thiophilique
Tampon de stockage PBS avec glycérol à 50 %, Proclin300 à 0,05 % et BSA à 0,5 %, pH 7,3.
Conditions de stockageStocker à -20 °C. Éviter toute exposition à la lumière. Stable pendant un an après l'expédition. L'aliquotage n'est pas nécessaire pour le stockage à -20oC Les 20ul contiennent 0,1% de BSA.

Informations générales

Kelch-like ECH-associated protein 1 (KEAP1) is a negative regulator of nuclear factor erythroid 2-related factor 2 (Nrf2), a transcription factor governing the antioxidant response.

 

What is the molecular weight of KEAP1 protein? Are there any isoforms of KEAP1?

The molecular weight of KEAP1 protein is 70 kDa. The KEAP1 gene gives rise only to protein isoforms, but mutations of KEAP1 protein have been found in various cancer types.

 

What is the subcellular localization of KEAP1?

KEAP1 resides in the cytoplasm, where it binds to Nrf2, targeting it for degradation and preventing translocation of Nrf2 to the nucleus.

 

How does KEAP1 control Nrf2 levels? Is KEAP1 post-translationally modified?

KEAP1 is rich in reactive cysteine residues, whose thiol groups play a role in binding to CUL3 and the polyubiquitination of Nrf2, which leads to degradation of Nrf2 via the proteasome system. During oxidative stress, electrophiles and reactive oxygen species (ROS) modify the KEAP1 thiol groups, reducing the affinity of KEAP1 to CUL3 and the stabilization of Nrf2. Nrf2 then translocates to the nucleus, where it binds to the antioxidant responsive elements (AREs) and induces the expression of antioxidant proteins (PMID: 16354693).

 

How to measure oxidative stress using KEAP1 and Nrf2 proteins as a readout

Under basal conditions (unstressed cells), a detectable KEAP1 protein level is observed. Oxidative stress modifies KEAP1 protein activity by increasing the Nrf2 protein levels. This can be measured, for example, using western blotting (PMID: 27697860). KEAP1 protein levels are not altered by oxidative stress.

 

What is the role of the KEAP1-Nrf2 pathway in health and disease?

The KEAP-Nrf2 pathway plays a vital role in redox homeostasis and cryoprotection. Inhibition of KEAP1 activity leads to the activation of Nrf2 and increase the response to oxidative stress and anti-inflammatory effects (PMID: 29717933). The activation of Nrf2 can be beneficial in the case of metabolic diseases, such as diabetes, as well as neurodegenerative diseases such as Parkinson's and Alzheimer's diseases. However, the increased activation of Nrf2 is also known to promote tumor growth and metastasis. Mutations in both KEAP1 and Nrf2 were found in various solid tumor types.



Protocole

Product Specific Protocols
IF protocol for CL Plus 488 KEAP1 antibody CL488-60027Download protocol
Standard Protocols
Click here to view our Standard Protocols

Publications

SpeciesApplicationTitle
mouseIF

Biomed Pharmacother

Diosmetin alleviates neuropathic pain by regulating the Keap1/Nrf2/NF-κB signaling pathway

Authors - Lin Zhao