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AQP4

  • Official Full Name

    aquaporin 4

  • Overview

    This gene encodes a member of the aquaporin family of intrinsic membrane proteins that function as water-selective channels in the plasma membranes of many cells. The encoded protein is the predominant aquaporin found in brain. Two alternatively spliced transcript variants encoding distinct isoforms have been found for this gene.
  • Synonyms

    AQP4; aquaporin 4; aquaporin-4; MIWC; WCH4; aquaporin type4; mercurial-insensitive water channel; HMIWC2; MGC22454;

  • Recombinant Proteins
  • Cell & Tissue Lysates
  • Protein Pre-coupled Magnetic Beads
  • Bos taurus (Bovine)
  • Chicken
  • Dipodomys merriami (Merriam's kangaroo rat)
  • Human
  • Milnesium tardigradum (Water bear) (Tardigrade)
  • Mouse
  • Mus musculus (Mouse)
  • Notomys alexis (Spinifex hopping mouse)
  • Rat
  • Rattus norvegicus (Rat)
  • Rhesus Macaque
  • Zebrafish
  • E.coli
  • E.coli expression system
  • E.Coli or Yeast
  • HEK293
  • In Vitro Cell Free System
  • In vitro E. coli expression system
  • Mammalian Cell
  • Mammalian cells
  • Wheat Germ
  • Yeast
  • C
  • GFP
  • GST
  • His
  • His (Fc)
  • Avi
  • Myc
  • His|GST
  • His|SUMO
  • N/A
  • N
  • Tag
  • Free
Species Cat.# Product name Source (Host) Tag Protein Length Price
Human AQP4-9782H Recombinant Human AQP4, GST-tagged E.coli GST 208-323a.a.
Human AQP4-1131H Recombinant Human AQP4 Protein, His-SUMO-tagged E.coli His/SUMO
Human AQP4-9731H Recombinant Human AQP4 protein, His-tagged Yeast His 253-323aa
Human AQP4-9735H Recombinant Human AQP4 protein, His-GST-tagged E.coli His/GST Cys178~Gly317
Human AQP4-734H Recombinant Human AQP4 protein, GST-tagged Wheat Germ GST
Human AQP4-32HCL Recombinant Human AQP4 lysate HEK293 N/A
Human AQP4-3447H Recombinant Human AQP4 protein, His-tagged E.coli His 208-323 aa
Human AQP4-0295H Recombinant Human AQP4 Protein (Thr208-Val323), N-His-tagged E.coli N-His Thr208-Val323
Human AQP4-1157HF Recombinant Full Length Human AQP4 Protein, GST-tagged In Vitro Cell Free System GST 323 amino acids
Human AQP4-0294H Recombinant Human AQP4 Protein (Met23-Val323), C-GFP-tagged Mammalian cells C-GFP Met23-Val323
Mouse AQP4-3594M Recombinant Mouse Aqp4 protein, His-tagged E.coli His Ser177~Ile304
Mouse Aqp4-3600M Recombinant Mouse Aqp4, His-tagged E.Coli or Yeast His 70
Mouse Aqp4-1049M Recombinant Mouse Aqp4 Full Length Transmembrane protein, His-tagged In vitro E. coli expression system His 1-323aa
Mouse Aqp4-1048M Recombinant Mouse Aqp4 Full Length Transmembrane protein In vitro E. coli expression system N/A 1-323aa
Mouse Aqp4-5345M Recombinant Mouse Aqp4 protein, His-Myc-tagged Yeast His/Myc 253-323aa
Mouse AQP4-2226M Recombinant Mouse AQP4 Protein (253-323 aa), His-tagged Yeast His 253-323 aa
Rat Aqp4-2602R Recombinant Rat Aqp4 protein, His & GST-tagged E.coli His/GST Asp179~Asp314
Rat AQP4-738R Recombinant Rat AQP4 Protein Mammalian Cell His
Rat Aqp4-3532R Recombinant Rat Aqp4 protein, His-tagged E.coli His Asp179~Asp314
Rat AQP4-394R Recombinant Rat AQP4 Protein, His (Fc)-Avi-tagged HEK293 His (Fc)-Avi
Rat AQP4-394R-B Recombinant Rat AQP4 Protein Pre-coupled Magnetic Beads HEK293
Bos taurus (Bovine) RFL-28054BF Recombinant Full Length Bovine Aquaporin-4(Aqp4) Protein, His-Tagged E.coli expression system His Full Length (1-323)
Dipodomys merriami (Merriam's kangaroo rat) RFL30404DF Recombinant Full Length Dipodomys Merriami Aquaporin-4(Aqp4) Protein, His-Tagged E.coli expression system His Full Length (1-324)
Milnesium tardigradum (Water bear) (Tardigrade) RFL28298MF Recombinant Full Length Milnesium Tardigradum Aquaporin-4(Aqp4) Protein, Tag-Free E.coli expression system Tag-Free Full Length (1-349)
Mus musculus (Mouse) RFL-2327MF Recombinant Full Length Mouse Aquaporin-4(Aqp4) Protein, Tag-Free E.coli expression system Tag-Free Full Length (1-323aa)
Notomys alexis (Spinifex hopping mouse) RFL5552NF Recombinant Full Length Notomys Alexis Aquaporin-4(Aqp4) Protein, His-Tagged E.coli expression system His Full Length (1-326)
Rattus norvegicus (Rat) RFL-21119RF Recombinant Full Length Rat Aquaporin-4(Aqp4) Protein, His-Tagged E.coli expression system His Full Length (1-323)
Rhesus Macaque AQP4-374R Recombinant Rhesus monkey AQP4 Protein, His-tagged Mammalian Cell His
Rhesus Macaque AQP4-203R Recombinant Rhesus Macaque AQP4 Protein, His (Fc)-Avi-tagged HEK293 His (Fc)-Avi
Rhesus Macaque AQP4-203R-B Recombinant Rhesus Macaque AQP4 Protein Pre-coupled Magnetic Beads HEK293
Zebrafish AQP4-1088Z Recombinant Zebrafish AQP4 Mammalian Cell His
Chicken AQP4-1236C Recombinant Chicken AQP4 Mammalian Cell His
  • Involved Pathway
  • Protein Function
  • Interacting Protein
  • AQP4 Related Articles

AQP4 involved in several pathways and played different roles in them. We selected most pathways AQP4 participated on our site, such as Bile secretion, which may be useful for your reference. Also, other proteins which involved in the same pathway with AQP4 were listed below. Creative BioMart supplied nearly all the proteins listed, you can search them on our site.

Pathway Name Pathway Related Protein
Bile secretionADCY6;ABCG2;ABCB1;LDLR;SLC22A7;NCEH1;NR1H4;ABCB11;AQP1

AQP4 has several biochemical functions, for example, glycerol channel activity, water channel activity, water transmembrane transporter activity. Some of the functions are cooperated with other proteins, some of the functions could acted by AQP4 itself. We selected most functions AQP4 had, and list some proteins which have the same functions with AQP4. You can find most of the proteins on our site.

Function Related Protein
glycerol channel activityAQP7;AQP5;AQP4;AQP8A.2;AQP9;AQP1A.2;AQP10A;AQP10;AQP8
water channel activityAQP10A;AQP1A.2;AQP3A;AQP7;AQP8B;AQP3;AQP1A.1;AQP3B;MIP
water transmembrane transporter activityMIPA;AQP1A.2;MIPB;SLC14A1;AQP2;AQP4;AQP8B;AQP3B;AQP10A

AQP4 has direct interactions with proteins and molecules. Those interactions were detected by several methods such as yeast two hybrid, co-IP, pull-down and so on. We selected proteins and molecules interacted with AQP4 here. Most of them are supplied by our site. Hope this information will be useful for your research of AQP4.

ouabain

Aboulenein-Djamshidian, F; Hoeftberger, R; et al. Reduction in Serum Aquaporin-4 Antibody Titers During Development of a Tumor-Like Brain Lesion in a Patient With Neuromyelitis Optica: A Serum Antibody-Consuming Effect?. JOURNAL OF NEUROPATHOLOGY AND EXPERIMENTAL NEUROLOGY 74:194-197(2015).
Chang, KH; Ro, LS; et al. Biomarkers for neuromyelitis optica. CLINICA CHIMICA ACTA 440:64-71(2015).
  • Q&As
  • Reviews

Q&As (20)

Ask a question
Are there any drugs or compounds that specifically target AQP4? 09/12/2022

Currently, there are no FDA-approved drugs that specifically target AQP4. However, several compounds have been investigated for their potential to modulate AQP4 function. For example, small molecule inhibitors or activators of AQP4 have been studied in preclinical models of brain edema and neurological disorders.

Are there any drugs or compounds that specifically target AQP4? 09/12/2022

Currently, there are no FDA-approved drugs that specifically target AQP4. However, several compounds have been investigated for their potential to modulate AQP4 function. For example, small molecule inhibitors or activators of AQP4 have been studied in preclinical models of brain edema and neurological disorders.

Can AQP4 be used as a diagnostic marker for NMOSD? 10/26/2021

Yes, the presence of autoantibodies against AQP4 can be used as a diagnostic marker for NMOSD. Detection of these antibodies in the serum or cerebrospinal fluid is a key component of the diagnostic criteria for NMOSD.

Can AQP4 be used as a diagnostic marker for NMOSD? 10/26/2021

Yes, the presence of autoantibodies against AQP4 can be used as a diagnostic marker for NMOSD. Detection of these antibodies in the serum or cerebrospinal fluid is a key component of the diagnostic criteria for NMOSD.

How does AQP4 play a role in the pathogenesis of neuromyelitis optica spectrum disorder (NMOSD)? 10/10/2021

In NMOSD, autoantibodies against AQP4 are believed to contribute to the pathogenesis of the disease. These autoantibodies bind to AQP4 in the central nervous system, causing complement-dependent inflammation and destruction of astrocytes. This leads to demyelination, neuronal damage, and clinical symptoms.

How does AQP4 play a role in the pathogenesis of neuromyelitis optica spectrum disorder (NMOSD)? 10/10/2021

In NMOSD, autoantibodies against AQP4 are believed to contribute to the pathogenesis of the disease. These autoantibodies bind to AQP4 in the central nervous system, causing complement-dependent inflammation and destruction of astrocytes. This leads to demyelination, neuronal damage, and clinical symptoms.

How does the AQP4 protein contribute to vision? 05/09/2021

AQP4 is found in the astrocytes surrounding blood vessels in the retina. It helps in the reabsorption of excess water from the retina, contributing to the maintenance of clear vision and the prevention of edema in the eye.

Can the AQP4 protein be found in other organs besides the brain and eye? 12/01/2020

Yes, AQP4 is expressed in other organs as well. It is found in the kidneys, lungs, gastrointestinal tract, salivary glands, and other tissues where water transport is essential for their proper functioning.

Are there any treatments targeting AQP4-related diseases? 08/03/2019

Currently, there is no cure for NMOSD, but treatments aim to manage symptoms and prevent relapses. These may include immunosuppressive drugs, plasma exchange, and other supportive therapies.

Can AQP4 be targeted for potential therapeutic interventions? 01/25/2019

AQP4 has been suggested as a potential therapeutic target for certain conditions. Strategies aimed at modulating AQP4 expression or function could have therapeutic implications in controlling brain water homeostasis, reducing edema, or managing diseases associated with AQP4 dysfunction. However, further research is needed to develop safe and effective therapies.

Can AQP4 be targeted for potential therapeutic interventions? 01/25/2019

AQP4 has been suggested as a potential therapeutic target for certain conditions. Strategies aimed at modulating AQP4 expression or function could have therapeutic implications in controlling brain water homeostasis, reducing edema, or managing diseases associated with AQP4 dysfunction. However, further research is needed to develop safe and effective therapies.

Are there any known genetic variations or mutations in the AQP4 gene? 10/16/2018

Yes, genetic variations and mutations in the AQP4 gene have been identified. These variations can impact AQP4 function or expression and may contribute to the susceptibility or severity of certain neurological disorders such as NMOSD.

Are there any known genetic variations or mutations in the AQP4 gene? 10/16/2018

Yes, genetic variations and mutations in the AQP4 gene have been identified. These variations can impact AQP4 function or expression and may contribute to the susceptibility or severity of certain neurological disorders such as NMOSD.

How does AQP4 contribute to brain edema? 07/19/2017

Dysfunction or dysregulation of AQP4 can lead to brain edema, which is the accumulation of excess fluid in the brain tissue. Reduced AQP4 expression or altered localization may interfere with the clearance of water from brain cells, resulting in swelling and increased intracranial pressure.

What other diseases or conditions are associated with AQP4 dysfunction or dysregulation? 05/12/2017

AQP4 dysfunction or dysregulation has been implicated in various diseases and conditions, including brain edema, hydrocephalus, epilepsy, multiple sclerosis, and certain types of cancer. Research is ongoing to better understand the role of AQP4 in these conditions and explore potential therapeutic interventions.

What other diseases or conditions are associated with AQP4 dysfunction or dysregulation? 05/12/2017

AQP4 dysfunction or dysregulation has been implicated in various diseases and conditions, including brain edema, hydrocephalus, epilepsy, multiple sclerosis, and certain types of cancer. Research is ongoing to better understand the role of AQP4 in these conditions and explore potential therapeutic interventions.

Are there any ongoing clinical trials targeting AQP4? 04/09/2017

Currently, there are clinical trials investigating the use of AQP4-targeted therapies for NMOSD. These trials are evaluating the efficacy and safety of drugs that aim to modulate AQP4 function or reduce the autoimmune response against AQP4.

Are there any ongoing clinical trials targeting AQP4? 04/09/2017

Currently, there are clinical trials investigating the use of AQP4-targeted therapies for NMOSD. These trials are evaluating the efficacy and safety of drugs that aim to modulate AQP4 function or reduce the autoimmune response against AQP4.

Are there any diseases associated with AQP4 dysfunction? 03/11/2017

Yes, AQP4 dysfunction has been strongly linked to neuromyelitis optica spectrum disorder (NMOSD), an autoimmune disease that primarily affects the optic nerves and spinal cord. Autoantibodies target AQP4, leading to inflammation and damage in these areas.

Are there any other known functions or roles of AQP4? 05/21/2016

While its primary role is water transportation, studies suggest that AQP4 may play additional roles in cellular processes such as cell migration, neuroinflammation, and neuroprotection. However, further research is needed to fully understand these functions.

Customer Reviews (8)

Write a review
Reviews
03/05/2022

    In addition to these experimental benefits, the manufacturer of Aqp4 protein plays a vital role in supporting researchers.

    01/14/2022

      Their prompt assistance and prompt response can swiftly resolve any challenges, enabling smooth experimentation and maintaining the integrity of the results.

      10/20/2021

        the manufacturer offers outstanding technical support, serving as a valuable resource to resolve any issues that may arise during my research.

        10/10/2021

          Their knowledgeable support team is well-equipped to address specific inquiries, suggest experimental protocols, and provide guidance throughout the entire research process.

          05/12/2021

            This partnership enhances research productivity while ensuring accurate and meaningful outcomes.

            12/06/2020

              Aqp4 protein demonstrates exceptional stability and consistency, ensuring reliable and reproducible results throughout the duration of the trial.

              09/21/2020

                Aqp4 protein exhibits high bioactivity, enabling efficient and effective interactions with its molecular targets.

                05/28/2017

                  The manufacturer's commitment to customer satisfaction extends beyond providing the protein itself.

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