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Key Documents

R4655

Sigma-Aldrich

Anti-Rab27 (N-terminal) antibody produced in rabbit

~1.5 mg/mL, affinity isolated antibody, buffered aqueous solution

Synonyme(s) :

Anti-RAB27A, member RAS oncogene family

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About This Item

Code UNSPSC :
12352203
Nomenclature NACRES :
NA.41

Source biologique

rabbit

Niveau de qualité

Conjugué

unconjugated

Forme d'anticorps

affinity isolated antibody

Type de produit anticorps

primary antibodies

Clone

polyclonal

Forme

buffered aqueous solution

Poids mol.

antigen ~25 kDa

Espèces réactives

human, rat

Concentration

~1.5 mg/mL

Technique(s)

indirect immunofluorescence: 5-10 μg/mL using rat NRK cells fixed and permeabilized with 4% paraformaldehyde followed by 0.4% saponin
western blot: 2-5 μg/mL using whole extract of human A431 cells

Numéro d'accès UniProt

Conditions d'expédition

dry ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... RAB27A(5873)
rat ... Rab27a(50645)

Description générale

Rab27 (Ras-related protein) is a member of the Rab family of small guanosine triphosphatases (GTPases). Rab27 is widely expressed in non-neuronal regulated secretory cells, including exocrine, endocrine, ovarian, and hematopoietic cells.
Rab27A (Ras-related protein) belongs to the Rab family of small GTPase proteins. It is located on chromosome 15q21.

Immunogène

synthetic peptide corresponding to amino acid residues 45-57 of human RAB27A, with an added cysteine, conjugated to KLH. The corresponding sequence differs by one amino acid in rat and mouse Rab27A and by 2 amino acids in human RAB27B.

Application

Anti-Rab27 (N-terminal) antibody has been used in immunoblotting, immunofluorescence.

Actions biochimiques/physiologiques

In humans, Rab27A (Ras-related protein) plays important roles in the development of cancers. It is considered as a prognostic biomarker for CRC (colorectal cancer) patients. It may participate in the transfer of protein and signal transduction mediated by GTPase. Rab27 mutation is linked with Griscelli syndrome type 2. It is also responsible for the innate immune resistance against invading microorganisms.
Rab27 (Ras-related protein) regulates the exocytosis of these cell-specific store organelles, using multiple organelle-specific effector proteins, such as granuphilin and melanophilin.

Forme physique

Solution in 0.01 M phos­phate buffered saline, pH 7.4, containing 15 mM sodium azide.

Clause de non-responsabilité

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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Code de la classe de stockage

10 - Combustible liquids

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Rab27a was identified as a prognostic biomaker by mRNA profiling, correlated with malignant progression and subtype preference in gliomas
Wang H, et al.
PLoS ONE, 9(2) (2014)
High Rab27A expression indicates favorable prognosis in CRC
Shi C, et al.
Diagnostic Pathology, 10:68 (2015)
Vectorial release of hepatitis E virus in polarized human hepatocytes
Capelli N, et al.
Journal of virology, 93(4), e01207-e01218 (2019)
Seema Sinha et al.
The Journal of cell biology, 214(2), 197-213 (2016-07-13)
Exosomes are extracellular vesicles that influence cellular behavior and enhance cancer aggressiveness by carrying bioactive molecules. The mechanisms that regulate exosome secretion are poorly understood. Here, we show that the actin cytoskeletal regulatory protein cortactin promotes exosome secretion. Knockdown or
Bong Hwan Sung et al.
Nature communications, 6, 7164-7164 (2015-05-15)
Directional cell movement through tissues is critical for multiple biological processes and requires maintenance of polarity in the face of complex environmental cues. Here we use intravital imaging to demonstrate that secretion of exosomes from late endosomes is required for

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