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Merck
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Key Documents

09-271

Sigma-Aldrich

Anti-Rac1b Antibody

Upstate®, from rabbit

Synonyme(s) :

Ras-related C3 botulinum toxin substrate 1, Cell migration-inducing gene 5 protein, Ras-like protein TC25, p21-Rac1

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About This Item

Code UNSPSC :
12352203
eCl@ss :
32160702
Nomenclature NACRES :
NA.41

Source biologique

rabbit

Niveau de qualité

Forme d'anticorps

affinity purified immunoglobulin

Type de produit anticorps

primary antibodies

Clone

polyclonal

Produit purifié par

affinity chromatography

Espèces réactives

mouse, human

Fabricant/nom de marque

Upstate®

Technique(s)

immunofluorescence: suitable
immunohistochemistry: suitable (paraffin)
western blot: suitable

Numéro d'accès NCBI

Numéro d'accès UniProt

Conditions d'expédition

wet ice

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... RAC1(5879)

Description générale

Ras-related C3 botulinum toxin substrate 1 (UniProt: P63000; also known as Cell migration-inducing gene 5 protein, Ras-like protein TC25, p21-Rac1) is encoded by the RAC1 (also known as TC25, MIG5) gene (Gene ID: 5879) in human. Rac1 is a plasma membrane-associated small GTPase that cycles between active GTP-bound and inactive GDP-bound states. In its active state, it binds to a variety of effector proteins to regulate cellular responses. Two isoforms of Rac1 have been described that are produced by alternative splicing. Rac1b differs from Rac1a in that it has an additional 19 amino acids and is found in various tumors, such as breasts and colorectal. Rac1b has an accelerated GEF-independent GDP/GTP exchange and an impaired GTP hydrolysis, which is restored partially by GTPase-activating proteins. It can bind to the GTPase-binding domain of PAK, but not full-length PAK in a GTP-dependent manner, suggesting that the insertion does not completely abolish effector interaction. Isoform B is predominantly identified in skin and epithelial tissues from the intestinal tract. Its expression is elevated in colorectal tumors at various stages of neoplastic progression, as compared to their respective adjacent tissues.

Spécificité

This rabbit polyclonal antibody specifically detects Rac1b in human and murine cells.

Immunogène

KLH-conjugated linear peptide corresponding to 15 amino acids from the N-terminal half of human Rac1b.

Application

Anti-Rac1b Antibody, Cat. No. 09-271, is a rabbit polyclonal antibody that detects Ras-related C3 botulinum toxin substrate 1 (Rac1b) and has been tested for use in Immunocytochemistry, Immunohistochemistry (Paraffin), and Western Blotting.
Immunocytochemistry Analysis: A 1:500 dilution from a representative lot detected Rac1b in HeLa, A431, HUVEC, and NIH/3T3 cells.

Immunohistochemistry (Paraffin) Analysis: A 1:250 dilution from a representative detected Rac1b in human colon cancer and human prostate cancer tissue sections.

Qualité

Evaluated by Western Blotting in MCF7 cell lysate.

Western Blotting Analysis: A 1:1,000 dilution of this antibody detected Rac1b in MCF7 cell lysate.

Description de la cible

~17 kDa observed; 23.47 kDa calculated. Uncharacterized bands may be observed in some lysate(s).

Forme physique

Purified rabbit polyclonal antibody in PBS with 0.05% sodium azide and 30% glycerol.

Autres remarques

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Informations légales

UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany

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Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 1


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Hendrik Ungefroren et al.
Cancers, 11(5) (2019-05-22)
The small GTPase Ras-related C3 botulinum toxin substrate 1B (RAC1B) has been shown previously by RNA interference-mediated knockdown (KD) to function as a powerful inhibitor of transforming growth factor (TGF)-β1-induced cell migration and epithelial-mesenchymal transition in epithelial cells, but the
Huizi Wu et al.
International journal of cancer, 143(11), 2962-2972 (2018-08-16)
Recent studies suggest that malignant melanoma heterogeneity includes subpopulations of cells with features of multipotent neural crest (NC) cells. Zebrafish and mouse models have shown that reactivation of neural crest-specific pathways during transformation determines the invasiveness of melanoma cells. In
Ibuprofen inhibits colitis-induced overexpression of tumor-related Rac1b.
Matos, P; Kotelevets, L; Goncalves, V; Henriques, AF; Henriques, A; Zerbib, P; Moyer et al.
Neoplasia null
Christine Mehner et al.
Genes & cancer, 6(11-12), 480-489 (2016-01-26)
Breast, lung, and pancreatic cancers collectively represent one third of all diagnosed tumors and are responsible for almost 40% of overall cancer mortality. Despite improvements in current treatments, efforts to develop more specific therapeutic options are warranted. Here we identify
Hannah Otterbein et al.
Cancers, 11(8) (2019-08-23)
The small GTPase RAC1B functions as a powerful inhibitor of transforming growth factor (TGF)-β1-induced epithelial-mesenchymal transition, cell motility, and growth arrest in pancreatic epithelial cells. Previous work has shown that RAC1B downregulates the TGF-β type I receptor ALK5, but the

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