Anti-Apolipoprotein E antibody [EPR19392] - Low endotoxin, Azide free
- RabMAb
- Recombinant
- KO Validated
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(3 Publications)
Rabbit Recombinant Monoclonal Apolipoprotein E antibody. Carrier free. Suitable for IP, WB, ICC/IF, Flow Cyt (Intra), IHC-P and reacts with Mouse, Human, Rat samples. Cited in 3 publications.
View Alternative Names
Apolipoprotein E, Apo-E, APOE
- Flow Cyt (Intra)
Supplier Data
Flow Cytometry (Intracellular) - Anti-Apolipoprotein E antibody [EPR19392] - Low endotoxin, Azide free (AB227993)
Intracellular flow cytometric analysis of 4% paraformaldehyde-fixed HepG2 (Human liver hepatocellular carcinoma cell line) cells labeling Apolipoprotein E with ab183597 at 1/70 dilution (red) compared with a Rabbit IgG, monoclonal - Isotype control (ab172730) (black) and an unlabelled control (cells without incubation with primary antibody and secondary antibody) (blue). Goat anti Rabbit IgG (Alexa Fluor® 488) at 1/500 dilution was used as the secondary antibody.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab183597).
- ICC/IF
Supplier Data
Immunocytochemistry/ Immunofluorescence - Anti-Apolipoprotein E antibody [EPR19392] - Low endotoxin, Azide free (AB227993)
Immunofluorescent analysis of 100% methanol-fixed HepG2 (Human liver hepatocellular carcinoma cell line) cells labeling Apolipoprotein E with ab183597 at 1/500 dilution followed by Goat anti-rabbit IgG (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution (green). Confocal image showing cytoplasmic staining on HepG2 cell line. The nuclear counter stain is DAPI (blue). Tubulin is detected with Anti-alpha Tubulin antibody - Loading Control (ab7291) at 1/1000 dilution and Goat Anti-Mouse IgG (AlexaFluor®594) preadsorbed (ab150120) at 1/1000 dilution (red).
The negative controls are as follows :
-ve control 1 : ab183597 at 1/500 dilution followed by ab150120 at 1/1000 dilution.
-ve control 2 : ab7291 at 1/1000 dilution followed by ab150077 at 1/1000 dilution.
This data was developed using the same antibody clone in a different buffer formulation containing PBS BSA glycerol and sodium azide (ab183597).
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Apolipoprotein E antibody [EPR19392] - Low endotoxin, Azide free (AB227993)
Immunohistochemical analysis of paraffin-embedded Human liver tissue labeling Apolipoprotein E with ab183597 at 1/2000 dilution followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution. Cytoplasm staining on hepatocytes of Human liver is observed. Counter stained with Hematoxylin.
Secondary antibody only control : Used PBS instead of primary antibody secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.
This data was developed using the same antibody clone in a different buffer formulation containing PBS BSA glycerol and sodium azide (ab183597).
Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Apolipoprotein E antibody [EPR19392] - Low endotoxin, Azide free (AB227993)
Immunohistochemical analysis of paraffin-embedded Human tonsil tissue labeling Apolipoprotein E with ab183597 at 1/2000 dilution followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution. Cytoplasm staining on macrophages of Human tonsil is observed. Counter stained with Hematoxylin.
Secondary antibody only control : Used PBS instead of primary antibody secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.
This data was developed using the same antibody clone in a different buffer formulation containing PBS BSA glycerol and sodium azide (ab183597).
Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
- IHC-P
Lab
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Apolipoprotein E antibody [EPR19392] - Low endotoxin, Azide free (AB227993)
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab183597).
Immunohistochemical analysis of formalin fixed paraffin embedded human liver labelling Apolipoprotein E with ab183597 at a concentration of 0.1 µg/ml. The immunostaining was performed on a Ventana DISCOVERY ULTRA (Roche Tissue Diagnostics) instrument with a OptiView DAB IHC Detection Kit. Heat mediated antigen retrieval was performed with DISCOVERY cell conditioning solution (CC1) 100°C, pH 8.5 for 32mins.
ab183597 anti- Apolipoprotein E [EPR19392] was incubated for 16mins at 37°C. Sections were counterstained with Hematoxylin II. Image inset shows absence of staining in secondary antibody only control.
Customers are encouraged to optimise antigen retrieval conditions, antibody concentration, incubation times and temperature for best results in their own IHC assay workflow (automated and manual).
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Apolipoprotein E antibody [EPR19392] - Low endotoxin, Azide free (AB227993)
Immunohistochemical analysis of paraffin-embedded Rat cerebral cortex tissue labeling Apolipoprotein E with ab183597 at 1/4000 dilution followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution. Cytoplasm staining on astrocytes of rat cerebral cortex is observed. Counter stained with Hematoxylin.
Secondary antibody only control : Used PBS instead of primary antibody secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.
This data was developed using the same antibody clone in a different buffer formulation containing PBS BSA glycerol and sodium azide (ab183597).
Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Apolipoprotein E antibody [EPR19392] - Low endotoxin, Azide free (AB227993)
Immunohistochemical analysis of paraffin-embedded Rat liver tissue labeling Apolipoprotein E with ab183597 at 1/4000 dilution followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution. Cytoplasm staining on hepatocytes of rat liver is observed. Counter stained with Hematoxylin.
Secondary antibody only control : Used PBS instead of primary antibody secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.
This data was developed using the same antibody clone in a different buffer formulation containing PBS BSA glycerol and sodium azide (ab183597).
Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Apolipoprotein E antibody [EPR19392] - Low endotoxin, Azide free (AB227993)
Immunohistochemical analysis of paraffin-embedded Mouse thalamus tissue labeling Apolipoprotein E with ab183597 at 1/4000 dilution followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution. Cytoplasm staining on astrocytes of mouse thalamus is observed. Counter stained with Hematoxylin.
Secondary antibody only control : Used PBS instead of primary antibody secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.
This data was developed using the same antibody clone in a different buffer formulation containing PBS BSA glycerol and sodium azide (ab183597).
Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
- IHC-P
Supplier Data
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Apolipoprotein E antibody [EPR19392] - Low endotoxin, Azide free (AB227993)
This IHC data was generated using the same anti-Apolipoprotein E antibody clone EPR19392 in a different buffer formulation (cat# ab183597).
Immunohistochemical analysis of paraffin-embedded Mouse liver tissue labeling Apolipoprotein E with ab183597 at 1/4000 dilution followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution. Cytoplasm staining on hepatocytes of mouse liver and plasma was also stained. Counter stained with Hematoxylin.
Secondary antibody only control : Used PBS instead of primary antibody secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.
Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
- IP
Supplier Data
Immunoprecipitation - Anti-Apolipoprotein E antibody [EPR19392] - Low endotoxin, Azide free (AB227993)
Apolipoprotein E was immunoprecipitated from 1mg of Mouse plasma with ab183597 at 1/40 dilution. Western blot was performed from the immunoprecipitate using ab183597 at 1/2000 dilution. VeriBlot for IP Detection Reagent (HRP) (ab131366), was used for detection at 1/10000 dilution.
Lane 1 : Mouse plasma, 10μg (Input).
Lane 2 : ab183597 IP in Mouse plasma.
Lane 3 : Rabbit IgG,monoclonal[EPR25A] - Isotype Control (ab172730) instead of ab183597 in Mouse plasma.
Blocking and dilution buffer and concentration : 5% NFDM/TBST.
Exposure time : 10 seconds.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab183597).
All lanes:
Immunoprecipitation - Anti-Apolipoprotein E antibody [EPR19392] (<a href='/en-us/products/primary-antibodies/apolipoprotein-e-antibody-epr19392-ab183597'>ab183597</a>)
Predicted band size: 36 kDa
false
- WB
Lab
Western blot - Anti-Apolipoprotein E antibody [EPR19392] - Low endotoxin, Azide free (AB227993)
False colour image of Western blot : Anti-Apolipoprotein E antibody [EPR19392] staining at 1/2000 dilution, shown in green; Mouse anti-Alpha Tubulin [DM1A] (ab7291) loading control staining at 1/20000 dilution, shown in red. In Western blot, ab183597 was shown to bind specifically to Apolipoprotein E. A band was observed at 34 kDa in wild-type HepG2 cell lysates with no signal observed at this size in APOE knockout cell line. To generate this image, wild-type and APOE knockout HepG2 cell lysates were analysed. First, samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 5 % milk in TBS-0.1 % Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4 °C. Blots were washed four times in TBS-T, incubated with secondary antibodies for 1 h at room temperature, washed again four times then imaged. Secondary antibodies used were Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed (ab216776) at 1/20000 dilution.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab183597).
All lanes:
Western blot - Anti-Apolipoprotein E antibody [EPR19392] (<a href='/en-us/products/primary-antibodies/apolipoprotein-e-antibody-epr19392-ab183597'>ab183597</a>) at 1/2000 dilution
Lane 1:
Wild-type HepG2 cell lysate at 20 µg
Lane 2:
APOE knockout HepG2 cell lysate at 20 µg
Lane 2:
Western blot - Human APOE knockout Hep G2 cell line (<a href='/en-us/products/cell-lines/human-apoe-knockout-hep-g2-cell-line-ab280875'>ab280875</a>)
Lane 3:
Human Liver cell lysate at 20 µg
Lane 4:
Human Kidney cell lysate at 20 µg
Predicted band size: 36 kDa
Observed band size: 34 kDa
false
Related conjugates and formulations (11)
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Anti-Apolipoprotein E antibody [EPR19392]
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Anti-Apolipoprotein E antibody [EPR19392] - BSA and Azide free
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665 Alexa Fluor® 647
Alexa Fluor® 647 Anti-Apolipoprotein E antibody [EPR19392]
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565 Alexa Fluor® 555
Alexa Fluor® 555 Anti-Apolipoprotein E antibody [EPR19392]
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519 Alexa Fluor® 488
Alexa Fluor® 488 Anti-Apolipoprotein E antibody [EPR19392]
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578 PE
PE Anti-Apolipoprotein E antibody [EPR19392]
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660 APC
APC Anti-Apolipoprotein E antibody [EPR19392]
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HRP Anti-Apolipoprotein E antibody [EPR19392]
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Alkaline Phosphatase Anti-Apolipoprotein E antibody [EPR19392]
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617 Alexa Fluor® 594
Alexa Fluor® 594 Anti-Apolipoprotein E antibody [EPR19392]
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775 Alexa Fluor® 750
Alexa Fluor® 750 Anti-Apolipoprotein E antibody [EPR19392]
Reactivity data
Product details
ab227993 is the carrier-free version of ab183597.
Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.
Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.
Compatibility
This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.
What does low endotoxin mean?
Our low endotoxin, azide-free formats have low endotoxin level (1 EU/mg, determined by the TAL assay) and are free from azide, to achieve consistent experimental results in functional assays.
Properties and storage information
Form
Purification technique
Storage buffer
Shipped at conditions
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Storage information
Supplementary information
This supplementary information is collated from multiple sources and compiled automatically.
Biological function summary
ApoE mediates the binding internalization and catabolism of these lipoprotein particles facilitating their interaction with specific cell-surface receptors such as the LDL receptor. This protein operates as part of a complex that includes various other apolipoproteins and lipid molecules. The study of mouse apoe using tools like a mouse apoe ELISA provides valuable data due to its similar physiological functions in lipid transport and metabolism.
Pathways
In the lipid metabolism pathway ApoE interacts with proteins such as the LDL receptor influencing the clearance of chylomicron remnants and VLDL from the bloodstream. In the cardiovascular disease pathway this protein impacts cholesterol levels and promotes plaques stabilization. ApoE's role in these pathways offers insights into its interaction with related proteins like apolipoprotein B and LDL receptor which are critical for maintaining lipid equilibrium.
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Target data
Publications (3)
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Communications biology 8:514 PubMed40155473
2025
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Nature communications 15:4695 PubMed38824138
2024
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Scientific reports 6:36949 PubMed27833128
2016
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Product promise
Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.
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