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AQP4 Recombinant Monoclonal Antibody

  • 货号：
    CSB-RA548145A0HU
  • 规格：
    ￥1320
  • 图片：
    • IHC image of CSB-RA548145A0HU diluted at 1:50 and staining in paraffin-embedded human lung cancer performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Goat anti-rabbit polymer IgG labeled by HRP and visualized using 0.33% DAB.
  • 其他：

产品详情

  • Uniprot No.：
    P55087
  • 基因名：
    AQP4
  • 别名：
    Aquaporin-4 (AQP-4) (Mercurial-insensitive water channel) (MIWC) (WCH4), AQP4
  • 反应种属：
    Human
  • 免疫原：
    A synthesized peptide derived from Human AQP4
  • 免疫原种属：
    Homo sapiens (Human)
  • 标记方式：
    Non-conjugated
  • 克隆类型：
    Monoclonal
  • 抗体亚型：
    Rabbit IgG
  • 纯化方式：
    Affinity-chromatography
  • 克隆号：
    22F10
  • 浓度：
    It differs from different batches. Please contact us to confirm it.
  • 保存缓冲液：
    Rabbit IgG in phosphate buffered saline, pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.
  • 产品提供形式：
    Liquid
  • 应用范围：
    ELISA, IHC
  • 推荐稀释比：
    Application Recommended Dilution
    IHC 1:50-1:200
  • Protocols：
  • 储存条件：
    Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
  • 货期：
    Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

产品评价

靶点详情

  • 功能：
    Forms a water-specific channel. Plays an important role in brain water homeostasis and in glymphatic solute transport. Required for a normal rate of water exchange across the blood brain interface. Required for normal levels of cerebrospinal fluid influx into the brain cortex and parenchyma along paravascular spaces that surround penetrating arteries, and for normal drainage of interstitial fluid along paravenous drainage pathways. Thereby, it is required for normal clearance of solutes from the brain interstitial fluid, including soluble beta-amyloid peptides derived from APP. Plays a redundant role in urinary water homeostasis and urinary concentrating ability.
  • 基因功能参考文献：
    1. AQP4 genetic variation moderates the relationship between sleep and brain Abeta-amyloid burden. PMID: 29479071
    2. our results suggested that miRNA-320a could suppress the aggressive capacity of tumors by targeting AQP4, and that miRNA-320a could serve as a new effective therapeutic target for glioma surgical and therapeutic strategies. PMID: 29484417
    3. This study demonstrated that Concentrations of microparticles expressing GFAP and AQP4 were significantly higher in the traumatic brain injury group compared with healthy controls. PMID: 28972406
    4. Review speculated that the diverse expression of AQP4 isoforms and complement regulatory factors may determine individual susceptibility to disease onset, the expression difference in AQP4 isoforms and complement regulatory factors in different organs may determine the extent of involvement and the severity of the disease. AQP4-IgG-mediated immune injury in peripheral organs may not be rare. PMID: 29141819
    5. Hypothermia-mediated increase in AQP4 surface abundance on human astrocytes, which was blocked using either calmodulin antagonist; TRPV4 antagonist or calcium chelation. A TRPV4 agonist mimicked the effect of hypothermia compared with untreated normothermic astrocytes. Hypothermia increased surface localization of AQP4 in human astrocytes likely through TRPV4 calcium channels and calmodulin activation. PMID: 28925524
    6. AQP4 expression was significantly increased 24 hours after mTBI. mTBI resulted in a significant increase in the cell swelling within 30 min of mTBI, which was significantly reduced in the presence of AZA. PMID: 27623738
    7. the overall results of this study allowed us to provide the first description of the localization of AQP4 in human SGs and indicate an abnormal distribution of AQP4 in SGs from SS patients, which could be responsible for the decreased saliva secretion in these patients. PMID: 28648105
    8. CC genotype of rs72878794 associated with sudden infant death syndrome PMID: 28520217
    9. Aquaporin 4 (AQP-4) are recognized as essential for two unique functions, namely, neurovascular coupling and glymphatic flow, the brain equivalent of systemic lymphatics [Review]. PMID: 28820467
    10. In neuromyelitis optica spectrum disorder-AQP4 patients, gender impacts on disease onset age and site of attack PMID: 27760862
    11. Report the value of spinal cord biopsy in the diagnosis of aquaporin-4 antibody positive neuromyelitis optica spectrum disorder. PMID: 24192218
    12. identified that TMZ might have therapeutic potential for controlling proliferation, invasion of malignant glioma by inhibiting AQP4 expression through activation of p38 signal transduction pathway PMID: 28569417
    13. The purpose of this study was to determine whether or not aquaporin-4 (AQP4) gene mutations are related to the pathogenesis of inflammatory demyelinating diseases in the central nervous system. PMID: 25895050
    14. Comparative molecular dynamics study of neuromyelitis optica-immunoglobulin G binding to AQP4 extracellular domains has been presented. PMID: 28477975
    15. Osmotic water permeabilities of aquaporins AQP4, AQP5, and GlpF from near-equilibrium simulations have been presented. PMID: 28455098
    16. A clear correlation between AQP4 expression and ADCmax values in grade I meningioma was identified. PMID: 27357591
    17. Peritumoral brain edema in patients with meningiomas may depend on AQP4 expression grades and not on tumor grade, tumor volume, Ki-67 expression, and cell count. PMID: 27552812
    18. AQP4 antibodies were higher in neuromyelitis optica Chinese Han patients with circulating auto-antibodies. PMID: 27988051
    19. Retinal nerve fiber layer may be better preserved in MOG-IgG versus AQP4-IgG optic neuritis. PMID: 28125740
    20. AQP4-autoantibody serostatus correlated with poor visual outcome in neuromyelitis optica (Meta-analysis) PMID: 28071581
    21. Data show that aquaporin-4 (AQP4) and myelin-oligodendrocyte glycoprotein (MOG) autoantibodies double positive neuromyelitis optica spectrum disorder (NMOSD) patients had a multiphase disease course with a high annual relapse rate. PMID: 26920678
    22. In this study, altered AQP4 expression was associated with aging brains. PMID: 27893874
    23. Results suggest that pain is an important factor in the quality of life experienced by both AQP4-Ab positive and negative transverse myelitis patients and suggest an even greater association than disability PMID: 27538606
    24. The major findings in this study were (1) a higher AQP4 immunogold labeling density over parenchymal astrocytic membranes in human subjects than in mice, and (2) a lower degree of AQP4 immunogold polarization to perivascular astrocytic endfoot membranes in humans compared with mice. In the human individuals, endfoot AQP4 polarization did not differ between capillary and arteriolar vessel segments. PMID: 28317216
    25. Upregulation of Aquaporin 4 is associated with Astrocytomas. PMID: 27483250
    26. No characteristic MRI brain features were observed in the Malaysian AQP4 seropositive idiopathic inflammatory demyelinating disease patients versus those who are seronegative PMID: 28283103
    27. the T allele of rs2075575 is a risk for AQP4-Ab-positive NMO. PMID: 27012886
    28. A reduction was found in the aquaporin-4 levels in cerebrospinal fluid of patients with intracranial hypertension. PMID: 26853804
    29. Study concludes from direct measurement of deterministic molecular dynamics in conjunction with applied-field metadynamics that the intrinsic electric field within the AQP4 channel points along the +z-axis, such that externally applied static fields in this direction serve to "open" the channel in the selectivity-filter and the asparagine-proline-alanine region. PMID: 27586951
    30. Results indicate that T-cells bearing characteristics of both Th1 and Th17 T-cells and targeting specific immunodominant epitopes of the AQP4 protein might be involved in the pathogenesis of Neuromyelitis optica PMID: 27063619
    31. AQP4 antibody associated optic neuritis tends to involve the posterior optic pathway. PMID: 26163068
    32. Our results suggest that AQP5 but not AQP4 contributes to salivary secretion in patients with Sjogren's syndrome, including those with neuromyelitis optica complicated with Sjogren's syndrome. PMID: 26375433
    33. Administration of E1 + P1 and E1 + P2 decreased the inhibitory effect of E1 on the IL-6 levels and AQP4 protein expression PMID: 26638215
    34. Study shows that the processing of AQP4 by antigen presenting cells in Lewis rats produces a highly encephalitogenic AQP4 epitope (AQP4268-285) PMID: 26530185
    35. The induction of antibodies to an AQP4 epitope in mice immunized with the TAX1BP1-derived peptide suggests that a latent HTLV-1 infection could lead to TAX1BP1 antigen presentation and the production of anti-AQP4 antibodies in human neuromyelitis optica. PMID: 26287441
    36. This study demonstrated that Subcellular localization of Aqp4 was compared between cortical and white matter astrocytes in postmortem specimens of patients with focal ischemic stroke versus controls. PMID: 26419740
    37. Anti-AQP-4 antibodies correlate with active neuromyelitis optica disease activity and animal models PMID: 25913278
    38. AQP4 antibody was highly prevalent (almost 54%) in Egyptian idiopathic inflammatory demyelinating central nervous system patients PMID: 25677878
    39. Study identified two AQP4 genomic variants, rs11661256 and rs1058427, as significant predictors of combined intracerebral hemorrhage and perihematomal edema volume after intracerebral hemorrhage PMID: 26000774
    40. Measurements of the membrane water permeability of MDCK cells expressing human AQP4 mutants provide the first evidencethat the rate of water flow can also be controlled by small movements of single-amino acid side chains lining the water pore. PMID: 26512424
    41. Phosphorylation at serine 276 is necessary for AQP4 translocation in response to changes of tonicity. PMID: 26013827
    42. Case Report: relapsing inappropriate antidiuretic hormone secretion associated with neuromyelitis optica spectrum disorders, in an anti-aquaporin-4 antibody positive 14-year-old girl. PMID: 24866202
    43. Case Report: anti-aquaporin-4 antibody positive neuromyelitis optica spectrum disorder with hypothalamic lesions and sudden onset of sleep. PMID: 25160125
    44. Data suggest that preventing neuromyelitis optica (NMO)-IgG aquaporin-4 (AQP4) binding would represent a strategy for a NMO therapy. PMID: 25839357
    45. The idea is that sudden, disorderly, and excessive neuronal discharges activates NOX2 with O(2)(-) production, leading to lipid peroxidation. The resulting generation of HNE targets AQP4, affecting water and ion balance. PMID: 25460197
    46. This review focuses on the role of AQP4 in ischemic brain edema, and its prospect as a therapeutic target--{REVIEW} PMID: 25306413
    47. analysis of how aquaporin 4 extracellular domains mutations affect restricted binding patterns of pathogenic neuromyelitis optica IgG PMID: 25792738
    48. In conclusion, the present study provides evidence for possible involvement of genetic variations in AQP4 gene in the functional outcome, but not in initial severity or presence of intracranial hemorrhages of patients with TBI. PMID: 24999750
    49. results suggest that AQP4 is internalized and the lysosome is involved in degrading the internalized AQP4 post-intracerebral hemorrhage PMID: 25257965
    50. AQP4 is mainly targeted to the lipid rafts fraction of the plasma membrane and a change of subcellular localization of AQP4 by the treatment with cholesterol-lowering agents significantly reduces the cytotoxic effects of NMO-IgG PMID: 25128605

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  • 亚细胞定位：
    Cell membrane; Multi-pass membrane protein. Basolateral cell membrane; Multi-pass membrane protein. Endosome membrane. Cell membrane, sarcolemma; Multi-pass membrane protein. Cell projection.
  • 蛋白家族：
    MIP/aquaporin (TC 1.A.8) family
  • 组织特异性：
    Detected in skeletal muscle. Detected in stomach, along the glandular base region of the fundic gland (at protein level). Detected in brain, lung and skeletal muscle, and at much lower levels in heart and ovary.
  • 数据库链接：

    HGNC: 637

    OMIM: 600308

    KEGG: hsa:361

    STRING: 9606.ENSP00000372654

    UniGene: Hs.315369