Anti-Aquaporin 2 antibody [EPR21080] - BSA and Azide free
- BOND RX™ Validated
- RabMAb
- Advanced Validation
- Recombinant
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(5 Publications)
Rabbit Recombinant Monoclonal Aquaporin 2 antibody. Carrier free. Suitable for mIHC, IP, WB, IHC-P, IHC-Fr and reacts with Human, Mouse, Rat samples. Cited in 5 publications.
View Alternative Names
Aquaporin-2, AQP-2, ADH water channel, Aquaporin-CD, Collecting duct water channel protein, WCH-CD, Water channel protein for renal collecting duct, AQP-CD, AQP2
- mIHC
Lab
Multiplex immunohistochemistry - Anti-Aquaporin 2 antibody [EPR21080] - BSA and Azide free (AB230170)
This data was developed using ab322047, the same antibody clone in a different buffer formulation.
Multiplex immunohistochemistry analysis of formalin/PFA-fixed paraffin-embedded Human kidney tissue staining GLEPP1/PTPRO with ab322047 at a 1/2000 dilution, ab199975 anti-Aquaporin 2 used at 1/4000 dilution and ab212197 anti-Renin used at a 1/4000 dilution.
Panel A : merged staining of anti-GLEPP1/PTPRO (green; Opal™520), anti-Aquaporin 2 (magenta; Opal™690) and anti-Renin (gray; Opal™570) on human kidney.
Panel B : anti-GLEPP1/PTPRO staining glomerulus in human kidney.
Panel C : anti-Aquaporin 2 staining collecting tubules in human kidney.
Panel D : anti-Renin staining juxtaglomerular cells in human kidney.
Nuclear DNA was labeled with DAPI (shown in blue).
The section was incubated in three rounds of staining : in the order of ab322047, ab199975 and ab212197 for 30 mins at room temperature. Each round was followed by a separate fluorescent tyramide signal amplification system.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument with an Opal™ 4-color kit. Image acquisition was performed with Leica SP8 confocal microscope.
Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0, epitope retrieval solution2) for 20 mins.
- IHC-P
Unknown
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Aquaporin 2 antibody [EPR21080] - BSA and Azide free (AB230170)
Immunohistochemical analysis of paraffin-embedded human kidney tissue labeling Aquaporin 2 with ab199975 at 1/4000 dilution, followed by a ready to use Goat Anti-Rabbit IgG H&L (HRP). Luminal surface and tubular cytoplasmic staining on collecting duct of human kidney is observed (PMID : 15703994, PMID : 19546380). Counter stained with hematoxylin.
Secondary antibody only control : Used PBS instead of primary antibody, secondary antibody is a ready to use Goat Anti-Rabbit IgG H&L (HRP).
Perform heat-mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0).
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab199975).
- mIHC
Lab
Multiplex immunohistochemistry - Anti-Aquaporin 2 antibody [EPR21080] - BSA and Azide free (AB230170)
This data was developed using ab199975, the same antibody clone in a different buffer formulation.
Multiplex immunohistochemistry analysis of formalin/PFA-fixed paraffin-embedded human kidney tissue staining CD34 with ab317588 at a 1/2000 dilution, ab199975 anti-Aquaporin 2 used at 1/4000 dilution and ab212197 anti-Renin used at a 1/4000 dilution.
Panel A : merged staining of anti-CD34 (green; Opal™520), anti-Aquaporin 2 (magenta; Opal™690) and anti-Renin (gray; Opal™570) on human kidney.
Panel B : anti-CD34 staining endothelium in human kidney.
Panel C : anti-Aquaporin 2 staining collecting tubules in human kidney.
Panel D : anti-Renin staining juxtaglomerular cells in human kidney.
Nuclear DNA was labeled with DAPI (shown in blue).
The section was incubated in three rounds of staining : in the order of ab317588, ab199975 and ab212197 for 30 mins at room temperature. Each round was followed by a separate fluorescent tyramide signal amplification system.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument with an Opal™ 4-color kit. Image acquisition was performed with Leica SP8 confocal microscope.
Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0, epitope retrieval solution2) for 20 mins.
- mIHC
Lab
Multiplex immunohistochemistry - Anti-Aquaporin 2 antibody [EPR21080] - BSA and Azide free (AB230170)
Fluorescence multiplex immunohistochemical analysis of the human kidney (Formalin/PFA-fixed paraffin-embedded sections). Panel A : merged staining of anti-Hexokinase 1 (ab150423, green; Opal™690), anti-Angiotensin Converting Enzyme 1 (ab254222, gray; Opal™520) and anti-Aquaporin 2 (ab199975, red; Opal™570) on human kidney. Panel B : anti-Aquaporin 2 stained on collecting tubules. Panel C : anti-Angiotensin Converting Enzyme 1 stained on proximal tubules. Panel D : anti-Hexokinase 1 stained on distal tubules and collecting tubules. Opal Polymer HRP Ms + Rb was used as a secondary antibody. The section was incubated in three rounds of staining : in the order of ab150423 at 1/250 dilution (4.224 μg/ml), ab254222 at 1/4000 dilution (0.141 μg/ml) and ab199975 at 1/4000 dilution (0.152 μg/ml) for 30 mins at room temperature. Each round was followed by a separate fluorescent tyramide signal amplification system. The immunostaining was performed on a Leica Biosystems BOND® RX instrument with an Opal™ 4-color kit. Image acquisition was performed with Leica SP8 confocal microscope. Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0, epitope retrieval solution2) for 20 mins. DAPI (blue) was used as a nuclear counter stain. This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab199975).
- mIHC
Lab
Multiplex immunohistochemistry - Anti-Aquaporin 2 antibody [EPR21080] - BSA and Azide free (AB230170)
This data was developed using ab322047, the same antibody clone in a different buffer formulation.
Multiplex immunohistochemistry analysis of formalin/PFA-fixed paraffin-embedded Human kidney tissue staining GLEPP1/PTPRO with ab322047 at a 1/2000 dilution, ab199975 anti-Aquaporin 2 used at 1/4000 dilution and ab212197 anti-Renin used at a 1/4000 dilution.
Panel A : merged staining of anti-GLEPP1/PTPRO (green; Opal™520), anti-Aquaporin 2 (magenta; Opal™690) and anti-Renin (gray; Opal™570) on human kidney.
Panel B : anti-GLEPP1/PTPRO staining glomerulus in human kidney.
Panel C : anti-Aquaporin 2 staining collecting tubules in human kidney.
Panel D : anti-Renin staining juxtaglomerular cells in human kidney.
Nuclear DNA was labeled with DAPI (shown in blue).
The section was incubated in three rounds of staining : in the order of ab322047, ab199975 and ab212197 for 30 mins at room temperature. Each round was followed by a separate fluorescent tyramide signal amplification system.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument with an Opal™ 4-color kit. Image acquisition was performed with Leica SP8 confocal microscope.
Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0, epitope retrieval solution2) for 20 mins.
- mIHC
Lab
Multiplex immunohistochemistry - Anti-Aquaporin 2 antibody [EPR21080] - BSA and Azide free (AB230170)
This data was developed using ab199975, the same antibody clone in a different buffer formulation.
Multiplex immunohistochemistry analysis of formalin/PFA-fixed paraffin-embedded mouse kidney tissue staining CD34 with ab317588 at a 1/5000 dilution, ab199975 anti-Aquaporin 2 used at 1/4000 dilution and ab212197 anti-Renin used at a 1/4000 dilution.
Panel A : merged staining of anti-CD34 (green; Opal™520), anti-Aquaporin 2 (magenta; Opal™690) and anti-Renin (gray; Opal™570) on mouse kidney.
Panel B : anti-CD34 staining endothelium in mouse kidney.
Panel C : anti-Aquaporin 2 staining collecting tubules in mouse kidney.
Panel D : anti-Renin staining juxtaglomerular cells in mouse kidney.
Nuclear DNA was labeled with DAPI (shown in blue).
The section was incubated in three rounds of staining : in the order of ab317588, ab199975 and ab212197 for 30 mins at room temperature. Each round was followed by a separate fluorescent tyramide signal amplification system.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument with an Opal™ 4-color kit. Image acquisition was performed with Leica SP8 confocal microscope.
Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0, epitope retrieval solution2) for 20 mins.
- IHC-Fr
Unknown
Immunohistochemistry (Frozen sections) - Anti-Aquaporin 2 antibody [EPR21080] - BSA and Azide free (AB230170)
Immunohistochemical analysis of 4% paraformaldehyde-fixed rat kidney tissue labeling Aquaporin 2 (green) with ab199975 at 1/3000 dilution followed by AlexaFluor®488 Goat anti-Rabbit secondary (ab150077) at 1/1000 dilution. Positive luminal membrane staining and tubular cytoplasmic staining on rat kidney is observed (PMID : 9688853; 15703994; 19546380). Heat-mediated antigen retrieval was performed using sodium citrate buffer (10 mM citrate pH 6.0 + 0.05% Tween-20).
Nuclear counterstain : DAPI (blue).
Permeabilization : 0.2% Triton X-100
Secondary antibody only control : Used PBS instead of primary antibody, secondary antibody is AlexaFluor®488 Goat anti-Rabbit secondary 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 (ab199975).
- IHC-Fr
Unknown
Immunohistochemistry (Frozen sections) - Anti-Aquaporin 2 antibody [EPR21080] - BSA and Azide free (AB230170)
Immunohistochemical analysis of 4% paraformaldehyde-fixed mouse kidney tissue labeling Aquaporin 2 (green) with ab199975 at 1/3000 dilution followed by AlexaFluor®488 Goat anti-Rabbit secondary (ab150077) at 1/1000 dilution. Positive luminal membrane staining and tubular cytoplasmic staining on mouse kidney is observed (PMID : 9688853; 15703994; 19546380). Heat-mediated antigen retrieval was performed using sodium citrate buffer (10 mM citrate pH 6.0 + 0.05% Tween-20).
Nuclear counterstain : DAPI (blue).
Permeabilization : 0.2% Triton X-100
Secondary antibody only control : Used PBS instead of primary antibody, secondary antibody is AlexaFluor®488 Goat anti-Rabbit secondary 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 (ab199975).
- IHC-P
Unknown
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Aquaporin 2 antibody [EPR21080] - BSA and Azide free (AB230170)
Immunohistochemical analysis of paraffin-embedded rat kidney tissue labeling Aquaporin 2 with ab199975 at 1/4000 dilution, followed by a ready to use Goat Anti-Rabbit IgG H&L (HRP). Luminal surface and tubular cytoplasmic staining on collecting duct of rat kidney is observed (PMID : 15703994, PMID : 19546380). Counter stained with hematoxylin.
Secondary antibody only control : Used PBS instead of primary antibody, secondary antibody is a ready to use Goat Anti-Rabbit IgG H&L (HRP).
Perform heat-mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0).
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab199975).
- IHC-P
Unknown
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Aquaporin 2 antibody [EPR21080] - BSA and Azide free (AB230170)
Immunohistochemical analysis of paraffin-embedded mouse kidney tissue labeling Aquaporin 2 with ab199975 at 1/4000 dilution, followed by a ready to use Goat Anti-Rabbit IgG H&L (HRP). Luminal surface and tubular cytoplasmic staining on collecting duct of mouse kidney is observed (PMID : 15703994, PMID : 19546380). Counter stained with hematoxylin.
Secondary antibody only control : Used PBS instead of primary antibody, secondary antibody is a ready to use Goat Anti-Rabbit IgG H&L (HRP).
Perform heat-mediated antigen retrieval using ab93684 (Tris/EDTA buffer, pH 9.0).
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab199975).
- IP
Supplier Data
Immunoprecipitation - Anti-Aquaporin 2 antibody [EPR21080] - BSA and Azide free (AB230170)
Aquaporin 2 was immunoprecipitated from 0.35 mg mouse kidney lysate with ab199975 at 1/500 dilution. VeriBlot for IP Detection Reagent (HRP) (ab131366), was used for detection at 1/10,000 dilution.
Lane 1 : Mouse kidney lysate 10 μg (input).
Lane 2 : ab199975 IP in mouse kidney lysate (+).
Lane 3 : Rabbit monoclonal IgG (ab172730) instead of ab199975 in mouse kidney lysate (-).
Blocking/dilution buffer and concentration : 5% NFDM/TBST
Exposure time : 10 seconds
We recommend customers optimize their lysis buffer and sample preparation for IP. This protein might aggregate during heating of samples.
The molecular mass is consistent with the literature (PMID 27405971; PMID 26109089).
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab199975).
All lanes:
Immunoprecipitation - Anti-Aquaporin 2 antibody [EPR21080] (<a href='/en-us/products/primary-antibodies/aquaporin-2-antibody-epr21080-ab199975'>ab199975</a>)
Predicted band size: 28 kDa
false
Reactivity data
Product details
ab230170 is the carrier-free version of ab199975.
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.
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
Aquaporin 2 serves a critical function in maintaining body water balance homeostasis. AQP2 responds to vasopressin a hormone that triggers its translocation to the apical membrane of collecting duct cells enabling water permeability. It is not part of a broader protein complex but operates independently within the cell membrane. This activity regulates urine concentration contributing to the maintenance of body fluids under variable hydration conditions.
Pathways
Aquaporin 2 contributes prominently to the vasopressin-regulated water reabsorption pathway and relates to the renal water reabsorption pathway. These pathways are important for interpreting how water homeostasis is managed by the body. Proteins such as the vasopressin receptor (also known as AVPR2) interact directly with AQP2 enabling its regulation and function. The interaction with cAMP signaling pathways facilitates the relocation of aquaporin 2 to its active site on the cell membrane ensuring efficient water reabsorption.
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Target data
Publications (5)
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Nature genetics 57:1213-1227 PubMed40259083
2025
Applications
Unspecified application
Species
Unspecified reactive species
Science advances 11:eads3718 PubMed39908379
2025
Applications
Unspecified application
Species
Unspecified reactive species
Biomolecules 13: PubMed36671451
2022
Applications
Unspecified application
Species
Unspecified reactive species
Kidney international 101:137-143 PubMed34619231
2021
Applications
mIHC
Species
Human
STAR protocols 2:100747 PubMed34430920
2021
Applications
Unspecified application
Species
Unspecified reactive species
Product promise
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