Rabbit Polyclonal RAB5A antibody. Suitable for ICC/IF, IHC-P and reacts with Rat, Human, Mouse samples. Cited in 35 publications. Immunogen corresponding to Synthetic Peptide within Human RAB5A aa 150-200 conjugated to Keyhole Limpet Haemocyanin.
Preservative: 0.09% Sodium azide
Constituents: 50% Glycerol (glycerin, glycerine), 2.68% PBS
ICC/IF | IHC-P | |
---|---|---|
Human | Tested | Expected |
Mouse | Expected | Tested |
Rat | Tested | Expected |
Dog | Predicted | Predicted |
Species | Dilution info | Notes |
---|---|---|
Species Rat | Dilution info 1/80 | Notes - |
Species Human | Dilution info 1/80 | Notes - |
Species | Dilution info | Notes |
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Species Mouse | Dilution info Use at an assay dependent concentration. | Notes - |
Species | Dilution info | Notes |
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Species Dog | Dilution info - | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Mouse | Dilution info 1/100 | Notes Use Bouin's fixative to fix tissue. |
Species | Dilution info | Notes |
---|---|---|
Species Rat, Human | Dilution info Use at an assay dependent concentration. | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Dog | Dilution info - | Notes - |
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Small GTPase which cycles between active GTP-bound and inactive GDP-bound states. In its active state, binds to a variety of effector proteins to regulate cellular responses such as of intracellular membrane trafficking, from the formation of transport vesicles to their fusion with membranes. Active GTP-bound form is able to recruit to membranes different sets of downstream effectors directly responsible for vesicle formation, movement, tethering and fusion. RAB5A is required for the fusion of plasma membranes and early endosomes (PubMed:10818110, PubMed:14617813, PubMed:15378032, PubMed:16410077). Contributes to the regulation of filopodia extension (PubMed:14978216). Required for the exosomal release of SDCBP, CD63, PDCD6IP and syndecan (PubMed:22660413). Regulates maturation of apoptotic cell-containing phagosomes, probably downstream of DYN2 and PIK3C3 (By similarity).
RAB5, RAB5A, Ras-related protein Rab-5A
Rabbit Polyclonal RAB5A antibody. Suitable for ICC/IF, IHC-P and reacts with Rat, Human, Mouse samples. Cited in 35 publications. Immunogen corresponding to Synthetic Peptide within Human RAB5A aa 150-200 conjugated to Keyhole Limpet Haemocyanin.
Preservative: 0.09% Sodium azide
Constituents: 50% Glycerol (glycerin, glycerine), 2.68% PBS
Rab5 also known as Ras-related protein Rab-5A is a small GTPase of approximately 24 kDa. It is part of the Rab family of proteins and functions as an endosomal marker in cells. Rab5 is ubiquitously expressed but shows enriched expression in tissues with a high rate of endocytosis like the brain and liver. This protein plays a significant role in early endosome fusion and trafficking acting as an essential regulator of vesicular transport processes within the cell.
Rab5 regulates the early endocytic pathway by mediating vesicle docking and fusion processes. It is not a part of a large complex but interacts with a range of effector proteins that facilitate endosome maturation. Rab5's role as an endosomal marker makes it important for membrane trafficking receptor recycling and signal transduction. Researchers often identify Rab5 in cellular studies using endosome staining techniques or specific antibodies like Drosophila antibodies to visualize its function and distribution.
The endocytic network heavily involves Rab5 particularly influencing the endocytosis and endosomal signaling pathways. It frequently interacts with proteins such as EEA1 (Early Endosome Antigen 1) and Rabaptin-5 which are critical for endosomal membrane fusion. This mechanistic involvement ensures the correct transfer and processing of endocytic vesicles facilitating the continual cycle of membrane and receptor turnover in cells.
Rab5 dysfunction associates with neurological conditions such as Alzheimer's disease and cancer. Alterations in Rab5 levels or function can disrupt normal endosomal trafficking leading to amyloid beta peptide accumulation in Alzheimer's. Additionally Rab5's role in cancer relates to its regulation of growth factor receptors where its interaction with proteins like the PE marker influences tumor progression. Understanding Rab5 pathways and interactions paves the way for developing targeted therapeutics in these disorders.
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Confocal microscopy of fixed primary cultures of rat hippocampal neurons (embryonic day 18) showing immunocytochemical labelling of polyclonal rabbit anti-Rab5 (Abcam ab13253, 1/200; Alexa Fluor 488; 1/200; green) and monoclonal mouse anti-tubulin-II (Alexa Fluor 568 1/200; red). Magnification 63x; insert 180x.
ab13253 Rabbit polyclonal to Rab5 was used in in fixed HEK cells that had been transfected with Rab5-GFP Fluorescence microscopy of fixed Rab5-transfected HEK cells showing (left to right) immunocytochemical labelling of rabbit polyclonal Rab5 (ab13253, 1/500; Cy3; red), and Rab5-GFP (green) with their overlay (far right). Scale bar = 7μm. Showing good co-localisation.
Immunofluorescent analysis of 2% paraformaldehyde fixed Human cervical cancer cell line (HeLa) for 20min at RT, labelling Rab5 with ab13253 at 1/80 dilution for 12 hours at 4°C, followed by secondary antibody Goat Anti-Rabbit (FITC) (green) at 1/200 dilution for 2 hours at RT. Counterstain: DAPI (blue) nuclear stain at 1:40000 for 2 hours at RT. Image showing cytoplasmic staining on HeLa cells. (A) DAPI (blue) nuclear stain. (B) Anti-Rab5 Antibody (green). (C) Composite image.
ab13253 at 1/100 dilution staining Rab5 in mouse back skin tissue section by Immunohistochemistry (Bouin's fixative fixed paraffin-embedded tissue section). Antigen retrieval was done by microwave in citrate buffer. A Fluorophore-conjugated goat anti-rabbit secondary was used at 1/50 dilution.
Immunofluorescent analysis of 2% Formaldehyde-fixed Cervical cancer cell line (HeLa) labeling Rab5 with ab13253 at 1/80 dilution. Secondary antibody: R-PE Goat Anti-Rabbit (yellow) at 1/200 dilution. (A) DAPI (blue) nuclear stain. (B) Anti-Rab5 Antibody. (C) Composite.
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