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Human Nephrin ELISA Kit

  • 中文名稱:
    人腎病蛋白(nephrin)酶聯(lián)免疫試劑盒
  • 貨號:
    CSB-E09886h
  • 規(guī)格:
    96T/48T
  • 價格:
    ¥3600/¥2500
  • 其他:

產(chǎn)品詳情

  • 產(chǎn)品描述:
    人腎病蛋白(nephrin)酶聯(lián)免疫試劑盒(CSB-E09886h)為雙抗夾心法ELISA試劑盒,定量檢測血清、血漿、組織勻漿樣本中的NPHS1含量。NPHS1編碼足突蛋白,在維持腎小球濾過屏障功能中至關(guān)重要。其突變會引發(fā)先天性腎病綜合征等疾病。研究機制圍繞其在足細胞結(jié)構(gòu)與功能維持上的作用,探究其如何保障濾過屏障正常,為相關(guān)腎病診斷和治療提供靶點。試劑盒檢測范圍為1.56 ng/ml-100ng/ml,該產(chǎn)品適用于腎臟疾病機制研究、足細胞功能評估及藥物干預(yù)模型中nephrin表達水平的檢測,尤其適合探究蛋白尿相關(guān)病理過程中足細胞損傷的分子機制。本品僅用于科研,不用于臨床診斷,產(chǎn)品具體參數(shù)及操作步驟詳見產(chǎn)品說明書。
  • 別名:
    CNF ELISA Kit; Nephrin ELISA Kit; Nephrosis 1 congenital Finnish type ELISA Kit; Nephrosis 1, congenital, Finnish type (nephrin) ELISA Kit; NPHN ELISA Kit; NPHN_HUMAN ELISA Kit; NPHS 1 ELISA Kit; Nphs1 ELISA Kit; Renal glomerulus specific cell adhesion receptor ELISA Kit; Renal glomerulus-specific cell adhesion receptor ELISA Kit
  • 縮寫:
  • Uniprot No.:
  • 種屬:
    Homo sapiens (Human)
  • 樣本類型:
    serum, plasma, tissue homogenates
  • 檢測范圍:
    1.56 ng/ml-100ng/ml
  • 靈敏度:
    0.39 ng/ml
  • 反應(yīng)時間:
    1-5h
  • 樣本體積:
    50-100ul
  • 檢測波長:
    450 nm
  • 研究領(lǐng)域:
    Signal Transduction
  • 測定原理:
    quantitative
  • 測定方法:
    Sandwich
  • 精密度:

    Intra-assay Precision (Precision within an assay): CV%<8%

    Three samples of known concentration were tested twenty times on one plate to assess.

    Inter-assay Precision (Precision between assays): CV%<10%

    Three samples of known concentration were tested in twenty assays to assess.

  • 線性度:

    To assess the linearity of the assay, samples were spiked with high concentrations of human nephrin in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.

     

    Sample

    Serum(n=4)

    1:1

    Average %

    102

    Range %

    92-106

    1:2

    Average %

    94

    Range %

    90-98

    1:4

    Average %

    88

    Range %

    84-94

    1:8

    Average %

    87

    Range %

    82-96

  • 回收率:

    The recovery of human nephrin spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.

    Sample Type

    Average % Recovery

    Range

    Serum (n=5)

    93

    87-99

    EDTA plasma (n=4)

    94

    90-98

  • 標(biāo)準(zhǔn)曲線:

    These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.

    ng/ml

    OD1

    OD2

    Average

    Corrected

    100

    2.566

    2.465

    2.516

    2.370

    50

    1.859

    1.758

    1.809

    1.663

    25

    1.048

    1.027

    1.038

    0.892

    12.5

    0.625

    0.614

    0.620

    0.474

    6.25

    0.402

    0.412

    0.407

    0.261

    3.12

    0.267

    0.278

    0.273

    0.127

    1.56

    0.222

    0.226

    0.224

    0.078

    0

    0.146

    0.145

    0.146

     

  • 數(shù)據(jù)處理:
  • 貨期:
    3-5 working days

產(chǎn)品評價

靶點詳情

  • 功能:
    Seems to play a role in the development or function of the kidney glomerular filtration barrier. Regulates glomerular vascular permeability. May anchor the podocyte slit diaphragm to the actin cytoskeleton. Plays a role in skeletal muscle formation through regulation of myoblast fusion.
  • 基因功能參考文獻:
    1. Mutation analysis showed that each patient carried a compound heterozygous mutation of NPHS1 gene. Patient 1 carried IVS 24 + 5 G > A and c2663G > A (p.R888K) mutations (Figs. 1 and 2). Patient 2 carried IVS6-1G > C and c1760T > G (p.L587R) mutations (Figs. 3 and 4). Each mutation was inherited from paternal and maternal DNA respectively. PMID: 28160156
    2. Angiotensin II has a role in increasing glomerular permeability by beta-arrestin mediated nephrin endocytosis PMID: 28004760
    3. This prospective observational study compare urine nephrin:creatinine ratio (NCR, ng/mg) with serum soluble fms-like tyrosine kinase-1:placental growth factor ratio (FPR, pg/pg) for preeclampsia (PE) prediction among unselected asymptomatic pregnant women in 2(nd) trimester. PMID: 27874074
    4. Outcomes of renal replacement therapy in NPHS1 patients in Europe were analysed using data from the ESPN/ERA-EDTA Registry PMID: 27761660
    5. WHSC1L1-L acts as a histone methyltransferase in podocytes and regulates nephrin gene expression, which may in turn contribute to the integrity of the slit diaphragm of the glomerular filtration barrier. PMID: 28228401
    6. Two novel putatively deleterious NPHS1 variants were identified in children with steroid-resistant nephrotic syndrome. PMID: 28476686
    7. On genetic analysis of NPHS1 a paternally derived heterozygous frame-shift mutation caused by an 8 bp deletion, resulting in a stop codon in exon 16 (c.2156-2163 delTGCACTGC causing p.L719DfsX4), and a novel, maternally derived nonsense mutation in exon 15 (c.1978G>T causing p.E660X) were identified. PMID: 27882743
    8. Case Reports: NPHS1 mutations in four Brazilian cases of congenital nephrotic syndrome. PMID: 26560236
    9. The classical form is CNF, which is caused by mutations in the nephrin gene (NPHS1), leading to massive proteinuria, hypoproteinemia and edema in the newborn period PMID: 25711261
    10. there is a link found of the glomerular protein nephrin and the antihypertensive action of angiotensin receptor antagonists in the treatment of hypertension. PMID: 25622599
    11. A novel nonsense mutation in NPHS1 linking aortic stenosis associated with congenital nephropathy, is reported. PMID: 26174680
    12. Activated IQGAP1, as an intracellular partner of nephrin, is involved in actin cytoskeleton organization and functional regulation of podocytes. PMID: 25652011
    13. NPHS1 rs437168 variant is associated with nephrotic syndrome in children. PMID: 25599733
    14. Coding variants in NPHS1 are associated with both risk for and protection from common forms of nephropathy in African Americans. PMID: 24948143
    15. Phosphorylation of nephrin is important for the survival status of podocytes. PMID: 24515388
    16. No pathogenic NPHS1 mutations were found in the cohort of children with steroid-resistant focal segmental glomerulosclerosis. PMID: 24856380
    17. Proteinuria in patients with seropositive rheumatoid arthritis is associated with increased levels of urine nephrin excretion, the highest levels of nephrin excretion were registered in patients with glomerulonephritis and amyloidosis. PMID: 24848282
    18. the frequency of identified disease causing mutations (NPHS1 and NPHS2) in children with steroid-resistant nephrotic syndome is 11.4%, and they show no response to treatment. PMID: 24413855
    19. The results suggest that the functions of Nephrin and Podocin are highly conserved between the zebrafish pronephros and mammalian metanephros. PMID: 24337247
    20. An Iranian boy with Finnish-type congenital nephrotic syndrome was homozygous for a 1 bp duplication near the splice acceptor site of exon 17 of the NPHS1 gene (intron 16: c.2213-2dupA homozygous mutation). His parents were heterozygous. PMID: 24089175
    21. Congenital nephrotic syndrome associated mutations in the NPHS1 gene in two Greek patients. PMID: 24371179
    22. In diabetic glomerulosclerosis, glomeruli with crescents contained a mixture of crescentic cells expressing either claudin 1 or nephrin. Rare crescentic cells coexpressed nephrin and claudin 1. PMID: 24529330
    23. Mutations in NPHS1 gene occur in Iranian children with steroid sensitive nephrotic syndrome and steroid resistant nephrotic syndrome. PMID: 24498843
    24. summarize the current knowledge of the functions of nephrin and Neph-family proteins and transcription factors and agents that control nephrin and Neph3 gene expression. PMID: 24219158
    25. The planar cell polarity pathway contributes to podocyte development by regulating nephrin turnover during junctional remodeling as the cells differentiate. PMID: 23824190
    26. Nck may facilitate dynamic signaling events at the slit diaphragm by promoting Fyn-dependent phosphorylation of nephrin. PMID: 23188823
    27. we discovered 10 different mutations, 3 of them novel, consisting of 1 splice site mutation (IVS 7 + 1 G 1 T) and 2 missense mutations (p.Y977C and p.L215R). PMID: 22584503
    28. In the glomeruli of CNS patients carrying mutations in NPHS1, where SD formation is disrupted, the expression of SIRPalpha as well as Neph1 and nephrin was significantly decreased, indicating that SIRPalpha is closely associated with the nephrin complex PMID: 22747997
    29. Dynamin-mediated Nephrin phosphorylation regulates glucose-stimulated insulin release in pancreatic beta cells. PMID: 22718751
    30. A total of 7 homozygous (6 novel) mutations were found in the NPHS1 gene and 4 homozygous mutations in the NPHS2 gene. PMID: 22565185
    31. Finding lesuggest that NPHS1 mutations are also present in sporadic Chinese CNS cases. PMID: 22653594
    32. finding that nephrinuria is observed in a majority of these normoalbuminuric patients demonstrates that it may precede microalbuminuria PMID: 22615747
    33. Nephrin ligation resulted in abnormal morphology of actin tails in human podocytes when Ship2, Filamin or Lamellipodin were individually knocked down. PMID: 22194892
    34. The expression of nephrin in different clinical types of hepatitis B virus-associated membranous nephropathy was significantly different. Expression in patients with nephrotic syndrome was significantly lower than in patients without nephrotic syndrome. PMID: 22176966
    35. Two novel mutations of c.2783C>A and c.2225T>C in NPHS1 were found to be causative in this Chinese CNF family with no known Finnish ancestry PMID: 22009864
    36. 1,25(OH)(2)D(3) stimulates nephrin expression in podocytes by acting on a VDRE in the proximal nephrin promoter. PMID: 21803771
    37. Data show that the main slit diaphragm proteins, nephrin and podocin, are affected from the earlier stages of lupus nephritis and their expression correlates with disease histology. PMID: 21478284
    38. Podocyte-specific protein nephrin gene expression is decreased in women with preeclampsia. PMID: 19528353
    39. PKC alpha mediates beta-arrestin2-dependent nephrin endocytosis in hyperglycemia. PMID: 21321125
    40. PKCalpha is involved in reduction of nephrin surface expression; activation of PKCalpha is a pathomechanistic key event during the development of diabetic nephropathy PMID: 20419132
    41. Novel mutations in steroid-resistant nephrotic syndrome diagnosed in Tunisian children were detected in NPHS1. PMID: 21125408
    42. NPHS1 mutations are associated with congenital nephrotic syndrome. PMID: 20172850
    43. podocyte protein kidney anion exchanger 1 interacts with nephrin and kinase to maintain the structure and function of the glomerular basement membrane. PMID: 20576809
    44. Coexpression of CIN85/Ruk(L) with CD2AP led to a decreased binding of CIN85/Ruk(L) to nephrin and podocin, which indicates a functional competition between CD2AP and CIN85/Ruk(L). PMID: 20457601
    45. The presence of the different genotypes of NPHS1 (AA genotype of rs401824 and GG genotype of rs437168) was associated with susceptibility to membranous glomerulonephritis and with remission of proteinuria during disease progression after therapy. PMID: 20138859
    46. NPHS1 mutations associated with an earlier onset of congenital nephrotic syndrome and worse renal outcomes than NPHS2 mutations. PMID: 20507940
    47. By means of gel supershift and chromatin immunoprecipitation assays we have shown that the protein factor from podocyte nuclear extracts able to recognize and bind the target sequence is the Sp1 zinc-finger protein. PMID: 19816048
    48. Nephrin is an active component of insulin vesicle machinery that may affect its vesicle-actin interaction and mobilization to the plasma membrane. PMID: 19833886
    49. evaluated the pathogenicity of amino-acid substitutions using the biophysical and biochemical difference between wild-type and mutant amino acid, the evolutionary conservation of the amino-acid residue in orthologs, and defined domains PMID: 19812541
    50. The single nucleotide polymorphism rs#466452 of the nephrin gene seems to be neutral in relation to diabetes and the development of diabetic nephropathy, and does not affect the splicing of a nephrin transcript, in spite of a splicing enhancer site. PMID: 19746264

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  • 相關(guān)疾病:
    Nephrotic syndrome 1 (NPHS1)
  • 亞細胞定位:
    Cell membrane; Single-pass type I membrane protein.
  • 蛋白家族:
    Immunoglobulin superfamily
  • 組織特異性:
    Specifically expressed in podocytes of kidney glomeruli.
  • 數(shù)據(jù)庫鏈接:

    HGNC: 7908

    OMIM: 256300

    KEGG: hsa:4868

    STRING: 9606.ENSP00000368190

    UniGene: Hs.122186



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