Human/Mouse/Rat Rab27a Antibody Summary
Accession # P51159
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Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Detection of Human, Mouse, and Rat RAB27A by Western Blot. Western blot shows lysates of K562 human chronic myelogenous leukemia cell line, 786-O human renal cell adenocarcinoma cell line, MCF-7 human breast cancer cell line, Jurkat human acute T cell leukemia cell line, Rat-2 rat embryonic fibroblast cell line, and Neuro-2A mouse neuroblastoma cell line. PVDF membrane was probed with 0.5 µg/mL of Sheep Anti-Human/Mouse/Rat RAB27A Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7245) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for RAB27A at approximately 28 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
RAB27A in U937 Human Cell Line. RAB27A was detected in immersion fixed U937 human histiocytic lymphoma cell line using Sheep Anti-Human/Mouse/Rat RAB27A Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7245) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Sheep IgG Secondary Antibody (red; Catalog # NL010) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Non-adherent Cells.
Detection of Human Rab27a by Simple WesternTM. Simple Western lane view shows lysates of K562 human chronic myelogenous leukemia cell line, loaded at 0.2 mg/mL. A specific band was detected for Rab27a at approximately 32 kDa (as indicated) using 5 µg/mL of Sheep Anti-Human/Mouse/Rat Rab27a Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7245) followed by 1:50 dilution of HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
RAB27A (Ras-related protein Rab 27A; also GTP-binding protein Ram) is a 27-28 kDa member of the Rab27 subfamily, Rab family, Small GTPase superfamily of proteins. It is widely expressed, and found in cells diverse as mast cells, cytotoxic T cells, melanocytes, retinal pigment epithelium and pancreatic beta -cells. RAB27A plays a key role in the secretion of specialized lysosomes termed secretory lysosomes. In melanocytes, for example, RAB27A is incorporated into the melanosome membrane where it serves as a docking factor for melanophilin and myosin-Va, regulating melanosome transport to, and concentration at, sites of release. Human RAB27A is 221 amino acids (aa) in length. It contains multiple Rab family and subfamily motifs, and concludes with a C-terminal CXC prenylation sequence (aa 219‑221). There is one potential splice variant that shows a deletion of aa 146-153. Over aa 135-218, human RAB27A shares 92% and 94% aa sequence identity with mouse Rab27A and rat RAB27A, respectively.
Citations for Human/Mouse/Rat Rab27a Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
Citations: Showing 1 - 2
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Tumor Extracellular Vesicles Regulate Macrophage-Driven Metastasis through CCL5
Authors: DC Rabe, ND Walker, FD Rustandy, J Wallace, J Lee, SL Stott, MR Rosner
Sample Types: Whole Cells
Applications: Flow Cytometry
Different Ability of Multidrug-Resistant and -Sensitive Counterpart Cells to Release and Capture Extracellular Vesicles
Authors: D Sousa, RT Lima, V Lopes-Rodr, E Gonzalez, F Royo, CPR Xavier, JM Falcón-Pér, MH Vasconcelo
Sample Types: Cell Lysates
Applications: Western Blot
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