• Product name
  • Description
    Rabbit polyclonal to Aquaporin 3
  • Host species
  • Tested applications
    Suitable for: WB, IHC-P, ICC/IF, IP, Flow Cyt, IHC-Frmore details
  • Species reactivity
    Reacts with: Mouse, Rat, Human
  • Immunogen

    Synthetic peptide corresponding to Human Aquaporin 3 aa 278-292 (C terminal).


    (Peptide available as ab195690)

  • Positive control
    • WB: Rat kidney, mouse lung and mouse kidney tissue lysates. IHC-P: Rat kidney tissue. ICC/IF: formaldehyde fixed MCF-7 cells.


  • Form
  • Storage instructions
    Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C long term.
  • Storage buffer
    Preservatives: 0.025% Thimerosal (merthiolate), 0.025% Sodium azide
    Constituents: 2.5% BSA, 0.45% Sodium chloride, 0.1% Dibasic monohydrogen sodium phosphate
  • Concentration information loading...
  • Purity
    Immunogen affinity purified
  • Clonality
  • Isotype
  • Research areas


Our Abpromise guarantee covers the use of ab125219 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
WB Use a concentration of 0.1 - 0.5 µg/ml. Predicted molecular weight: 31 kDa.Can be blocked with Aquaporin 3 peptide (ab195690).

The detection limit of ab125219 is approximately 1ng/lane under non-reducing and reducing conditions.

IHC-P Use a concentration of 0.5 - 1 µg/ml. Perform heat mediated antigen retrieval before commencing with IHC staining protocol.
ICC/IF Use a concentration of 0.5 - 1 µg/ml.
IP Use a concentration of 5 µg/ml.
Flow Cyt Use 1-3µg for 106 cells.

ab171870 - Rabbit polyclonal IgG, is suitable for use as an isotype control with this antibody.


IHC-Fr Use a concentration of 0.5 - 1 µg/ml.


  • Function
    Water channel required to promote glycerol permeability and water transport across cell membranes. Acts as a glycerol transporter in skin and plays an important role in regulating SC (stratum corneum) and epidermal glycerol content. Involved in skin hydration, wound healing, and tumorigenesis. Provides kidney medullary collecting duct with high permeability to water, thereby permitting water to move in the direction of an osmotic gradient. Slightly permeable to urea and may function as a water and urea exit mechanism in antidiuresis in collecting duct cells. It may play an important role in gastrointestinal tract water transport and in glycerol metabolism.
  • Tissue specificity
    Widely expressed in epithelial cells of kidney (collecting ducts) and airways, in keratinocytes, immature dendritic cells and erythrocytes. Isoform 2 is not detectable in erythrocytes at the protein level.
  • Sequence similarities
    Belongs to the MIP/aquaporin (TC 1.A.8) family.
  • Domain
    Aquaporins contain two tandem repeats each containing three membrane-spanning domains and a pore-forming loop with the signature motif Asn-Pro-Ala (NPA).
  • Cellular localization
    Basolateral cell membrane. In collecting ducts of kidney.
  • Information by UniProt
  • Database links
  • Alternative names
    • AQP 3 antibody
    • AQP-3 antibody
    • Aqp3 antibody
    • AQP3_HUMAN antibody
    • Aquaglyceroporin-3 antibody
    • Aquaporin 3 (GIL blood group) antibody
    • Aquaporin 3 (Gill blood group) antibody
    • Aquaporin-3 antibody
    • Aquaporin3 antibody
    • GIL antibody
    • Gill blood group antibody
    see all


  • All lanes : Anti-Aquaporin 3 antibody (ab125219) at 0.5 µg/ml

    Lane 1 : Rat Kidney Tissue Lysate at 50 µg
    Lane 2 : Rat Lung Tissue Lysate at 50 µg
    Lane 3 : Mouse Kidney Tissue Lysate at 50 µg
    Lane 4 : MM453 Whole Cell Lysate at 40 µg
    Lane 5 : SMMC-7721 Whole Cell Lysate at 40 µg

    Predicted band size: 31 kDa
    Observed band size: 32 kDa
    why is the actual band size different from the predicted?

  • ab125219 at 1µg/ml staining Aquaporin 3 in Paraaffin-embedded Rat kidney tissue by Immunohistochemistry.
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of Human Lung Cancer Tissue labeling Aquaporin 3 with ab125219.

  • Overlay histogram showing Hela cells stained with ab125219 (Blue line).The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-Aquaporin 3 Antibody (ab125219,1μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-rabbit IgG (5-10μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was rabbit IgG (1μg/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control.

  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of Human Renal Cancer Tissue labeling Aquaporin 3 with ab125219.

  • Immunohistochemistry (Frozen sections) analysis of Rat Kidney Tissue labeling Aquaporin 3 with ab125219.

  • Immunocytochemistry/ Immunofluorescence analysis of HeLa cells labeling Aquaporin 3 with ab125219.

  • All lanes : Anti-Aquaporin 3 antibody (ab125219) at 1 µg/ml

    Lane 1 : Rat kidney tissue lysate
    Lane 2 : Mouse lung tissue lysate
    Lane 3 : Mouse kidney tissue lysate

    Predicted band size: 31 kDa

  • Aquaporin 3 was immunoprecipitated using 0.5mg Mouse Kidney extract, 5µg of Rabbit polyclonal to Aquaporin 3 and 50µl of protein G magnetic beads (+). No antibody was added to the control (-).
    The antibody was incubated under agitation with Protein G beads for 10min, Mouse Kidney extract lysate diluted in RIPA buffer was added to each sample and incubated for a further 10min under agitation.
    Proteins were eluted by addition of 40µl SDS loading buffer and incubated for 10min at 70oC; 10µl of each sample was separated on a SDS PAGE gel, transferred to a nitrocellulose membrane, blocked with 5% BSA and probed with ab125219.
    Secondary: Mouse monoclonal [SB62a] Secondary Antibody to Rabbit IgG light chain (HRP) (ab99697).
    Band: 31kDa: Aquaporin 3.
  • ICC/IF image of ab125219 stained MCF-7 cells. The cells were 4% formaldehyde fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody ab125219 at 5µg/ml overnight at +4°C. The secondary antibody (green) was DyLight® 488 goat anti- rabbit (ab96899) IgG (H+L) used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM.


This product has been referenced in:
  • Luo H  et al. Aquaporin 1 gene deletion affects the amniotic fluid volume and composition as well as the expression of other aquaporin water channels in placenta and fetal membranes. Clin Chim Acta 482:161-165 (2018). WB . Read more (PubMed: 29626438) »
  • Wu X & Su D Enterotoxigenic Escherichia coli infection induces tight junction proteins expression in mice. Iran J Vet Res 19:35-40 (2018). Read more (PubMed: 29805460) »
See all 12 Publications for this product

Customer reviews and Q&As

1-2 of 2 Abreviews or Q&A

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)
Dog Tissue sections (Intervertebral Disc)
Antigen retrieval step
Enzymatic - Buffer/Enzyme Used: 1X TBS, 0.1% Calcium Chloride/alpha-Chymotrypsin
Intervertebral Disc
Blocking step
1% BSA in 75% TBS 25% Serum as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 25% · Temperature: 18°C
10% Neutral Buffered Formalin

Abcam user community

Verified customer

Submitted Jul 14 2017

Flow Cytometry
Human Cell (Human bronchial epithelial cells)
Human bronchial epithelial cells
Gating Strategy
Single cells (gated on FSC-H vs FSC-W), debris excluded (gated on FSC-A vs SSC-A) and live cells (gated on live/dead stain negative population)
Cell harvesting/tissue preparation method: Trypsinisation
Sample buffer: 10% DMEM

Abcam user community

Verified customer

Submitted Apr 15 2014


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