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  4. Human Pulmonary surfactant-associated protein B,SP-B ELISA Kit

Human Pulmonary surfactant-associated protein B,SP-B ELISA Kit

  • 中文名称：
    人肺表面活性物质相关蛋白B(SP-B)酶联免疫试剂盒
  • 货号：
    CSB-E10134h
  • 规格：
    96T/48T
  • 价格：
    ￥3200/￥2500
  • 其他：

产品详情

  • 产品描述：

    This Human SFTPB ELISA Kit was designed for the quantitative measurement of Human SFTPB protein in serum, plasma, urine, cell culture supernates. It is a Sandwich ELISA kit, its detection range is 0.156 ng/mL-10 ng/mL and the sensitivity is 0.039 ng/mL.

  • 别名：
    SFTPB; SFTP3; Pulmonary surfactant-associated protein B; SP-B; 18 kDa pulmonary-surfactant protein; 6 kDa protein; Pulmonary surfactant-associated proteolipid SPL(Phe
  • 缩写：
    SFTPB
  • Uniprot No.：
  • 种属：
    Homo sapiens (Human)
  • 样本类型：
    serum, plasma, urine, cell culture supernates
  • 检测范围：
    0.156 ng/mL-10 ng/mL
  • 灵敏度：
    0.039 ng/mL
  • 反应时间：
    1-5h
  • 样本体积：
    50-100ul
  • 检测波长：
    450 nm
  • 研究领域：
    Signal Transduction
  • 测定原理：
    quantitative
  • 测定方法：
    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.
  • 线性度：
    To assess the linearity of the assay, samples were spiked with high concentrations of human SP-B in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
    　SampleSerum(n=4)
    1:100Average %89
    Range %83-95
    1:200Average %93
    Range %87-100
    1:400Average %88
    Range %85-91
    1:800Average %93
    Range %86-98
  • 回收率：
    The recovery of human SP-B 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 TypeAverage % RecoveryRange
    Serum (n=5) 9490-99
    EDTA plasma (n=4)9689-100
  • 标准曲线：
    These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
    ng/mlOD1OD2AverageCorrected
    102.453 2.563 2.508 2.347
    52.228 2.261 2.245 2.084
    2.51.795 1.801 1.798 1.637
    1.251.267 1.297 1.282 1.121
    0.6250.811 0.834 0.823 0.662
    0.3120.532 0.575 0.554 0.393
    0.1560.362 0.371 0.367 0.206
    00.160 0.162 0.161 　
  • 数据处理：
  • 货期：
    3-5 working days

引用文献

产品评价

问答及客户评论

■ 常见问题解答
Q:

May I know the antibody information?

A:
Thanks for your inquiry. The kit CSB-E10134h is designed for full-length and taking a reference from this link: reference https://www.uniprot.org/uniprot/P07988
It uses two antibodies, Coated anti: Goat polyclonal antibody; Detection anti: Goat polyclonal antibody; Pls let me know if you have any further questions. Thank you.

靶点详情

  • 功能：
    Pulmonary surfactant-associated proteins promote alveolar stability by lowering the surface tension at the air-liquid interface in the peripheral air spaces. SP-B increases the collapse pressure of palmitic acid to nearly 70 millinewtons per meter.
  • 基因功能参考文献：
    1. rs7316 polymorphism associated with respiratory distress syndrome in Iranian premature newborns PMID: 28738720
    2. TGF beta markedly decreased expression of SP-A, SP-B, SP-C, fatty acid synthase, and the phospholipid transporter ABCA3. However, TGF beta increased protein levels of SP-D with little change in mRNA levels. PMID: 29621540
    3. Surfactant protein B suppresses lung cancer progression by inhibiting secretory phospholipase A2 activity and arachidonic acid production. PMID: 28743125
    4. Data show that the thermal transitions observed in N-terminal propeptide of proSP-B (SP-BN) may correspond to the unfolding of certain protein domains or subdomains and/or to oligomers dissociation whereas the overall protein shows resistance to temperature-induced unfolding up to ~ 86 degrees C. PMID: 27380171
    5. SP-A (+186A/G) and SP-B (1580C/T) polymorphisms are strongly associated with the risk of respiratory distress syndrome (RDS) in preterm infants. Notably, reduced serum SP-A levels were correlated with a high risk of RDS and may serve as novel biomarkers for RDS detection and monitoring. PMID: 28011976
    6. Differences were found regarding SPA and pro-SPB expression in the vast majority of subjects: in some lungs, SPA was more expressed whereas in others pro-SPB showed an higher degree of immunoreactivity. The expression of both surfactant proteins was not strictly correlated with gestational age. PMID: 27734990
    7. There is no significant association between the gene polymorphism of the R236C site in exon 7 of SP-B gene and the incidence ofneonatal respiratory distress syndrome (NRDS) in Han populations in that region. PMID: 27655533
    8. Rare mutations in surfactant-associated genes contribute to neonatal respiratory distress syndrome. The frequency of mutations in these genes in the Chinese population is unknown. We resequenced all exons of the surfactant protein-B (SFTPB) and we did not find any rare mutations in SFTPB PMID: 26547207
    9. mice with SP-B-C allele are more susceptible to S. aureus pneumonia than mice with SP-B-T allele, and that CMC2.24 attenuates lung injury thus reducing mortality. PMID: 26863117
    10. In term newborns with pneumonia, SP-B increases with respect to total phospholipids, and disaturated-phosphatidylcholine and is turned over at a faster rate. PMID: 26107393
    11. SP-B -18C/A and 1580C/T polymorphisms are associated with bronchopulmonary dysplasia PMID: 26045806
    12. These results demonstrate for the first time that human SP-B C allele is more susceptible to bacterial pneumonia than SP-B T allele in vivo. PMID: 26620227
    13. Significant differences in frequency of occurrence of unfavorable genotypes CC rs1965708, AA rs1059046 of SFTPA2 gene and CC rs1130866 of SFTPB gene in influenza patients in comparison with individuals of the control group were not detected. PMID: 26950992
    14. Investigated the relationship between SP-A2 and SP-B gene polymorphisms and respiratory distress syndrome in preterm neonates. PMID: 26061924
    15. Given these fact SP-B deficiency may be considered as a further field for research on regenerative therapy i. e. stem cell administration in models of postnatal SP-B deficiency. PMID: 25565191
    16. Results support a critical role of SP-B for promoting pulmonary surface film formation. PMID: 25360829
    17. SFTPB variants are associated with chronic obstructive pulmonary disease susceptibility and lung function in the Chinese Han population. PMID: 25299874
    18. Surfactant protein B gene polymorphism is associated with severe influenza. PMID: 24337193
    19. data support the hypothesis that proSP-B glycosylation due to Ile131Thr variation may have a causal role in genetic susceptibility to acute respiratory distress PMID: 24002332
    20. It was concluded that the polymorphisms of SP-B intron 4 and C/A-18 could be associated with BPD in Chinese Han infants, and the del allele of intron 4 and A allele of C/A-18 might be used as markers of susceptibility in the disease. PMID: 23771654
    21. there was no evidence for any association between common polymorphisms in the SP-B and SP-D genes and COPD risk (all p>0.05). PMID: 24093802
    22. Glucocorticoids mediated surfactant protein B production, maturation, and release is amplified by caffeine. PMID: 24163141
    23. macrophages participate in the repression of SFTPB expression by LPS, and that macrophage-released cytokines (including TNF) regulate the transcription factor CEBPB PMID: 23590297
    24. D2S388-5 microsatellite polymorphism of surfactant protein B may be associated with susceptibility to COPD in Xinjiang Kazakhs. PMID: 23088317
    25. elevated expression in nasal mucosa in chronic rhinosinusitis with polyps PMID: 23406594
    26. Mutations in exon 4 of the surfactant protein B gene demonstrate an association between homozygous mutations with C/C genotype in SP-B gene and neonatal respiratory distress. PMID: 23330012
    27. caffeine is able to induce the expression of SP-transcription factors and affects the signaling pathways of glucocorticoids, amplifying their effects PMID: 23272120
    28. The results indicate that tryptophan oxidation causes substantial disruptions in helical structure and lipid interactions. PMID: 21128671
    29. review focuses on published association studies of surfactant proteins A and D genetic polymorphisms with respiratory, and non-respiratory diseases in adults, children, and newborns [review] PMID: 22201752
    30. The present study demonstrated that the AG genotype of AG 9306 polymorphism was a protective factor against the development of respiratory distress syndrome, other polymorphisms studied (G/C at 8714, C/T at 1580, A/C at -18) were not associated with RDS. PMID: 21180884
    31. In patients undergoing major vascular abdominal surgery, SP-B values increase progressively during mechanical ventilation stages compared to advanced glycation end-products (RAGE) kinetics. PMID: 21736957
    32. SP-B 1580C/T polymorphism contributes to the etiology of respiratory distress syndrome. PMID: 22289747
    33. Circulating levels of SP-B increase with greater smoking burden and independently associate with abdominal abdominal aortic plaque among current smokers. PMID: 21817103
    34. Genetic variations in the gene coding for surfactant protein B are associated with more severe lung injury as indicated by the association of specific single nucleotide polymorphism genotypes and haplotypes PMID: 21283003
    35. Surfactant protein B and RAGE increases in the plasma during cardiopulmonary bypass PMID: 20650982
    36. Surfactant protein B polymorphisms have a role in pulmonary function and COPD PMID: 20693256
    37. Disaturated-phosphatidylcholine and surfactant protein-B have a different turnover both in healthy and diseased lungs. PMID: 21429235
    38. Absence of this protein resulted in Congenital pulmonary alveolar proteinosis in two newborn children PMID: 20005435
    39. Surfactant protein-B 121ins2 heterozygosity is associated with reduced lung function and increased risk for COPD among smokers PMID: 19833825
    40. review of lipid-protein interactions of hydrophobic proteins SP-B and SP-C in lung surfactant assembly and dynamics PMID: 11699574
    41. Data suggest that SMAD3 interactions with the positive regulators NKX2.1 and HNF-3 underlie the molecular basis for TGF-beta-induced repression of surfactant protein B gene transcription. PMID: 12161428
    42. role of Differences in N-linked glycosylation between human surfactant protein-B variants of the C or T allele at the single-nucleotide polymorphism at position 1580 in disease PMID: 12356334
    43. suggest that polymorphisms in intron 4 of the surfactant protein B gene independently modify the course of neonatal respiratory distress syndrome PMID: 12424586
    44. An association between SP-B polymorphism and RDS was found in premature, first-born twins. In particular, the threonine allele was associated with an increased risk of RDS. PMID: 12483294
    45. dimeric SP-B(1-25) is more efficient in restoring lung function in neonatal RDS and ARDS than monomeric SP-B(1-25) surfactant. PMID: 12490037
    46. surfactant protein B expression is regulated by an enhancer region which binds to thyroid transcription factor-1, retinoic acid receptor, signal transducers and activators of transcription 3, nuclear receptor coactivators (SRC-1, ACTR, TIF2, and CBP/p300 PMID: 12573987
    47. Mutataions and Polymorphisms in SFTPB is associated with severe unexplained respiratory distress PMID: 12784301
    48. SP-B expression is regulated by PPARgamma in the lung PMID: 12829715
    49. Reduced SP-B expression due to elevated nitric oxide levels can contribute to lung injury. PMID: 12896877
    50. In human lungs, mature SP-B is involved in the structural organization of lamellar bodies and tubular myelin by the formation of core particles. PMID: 12972403

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  • 相关疾病：
    Pulmonary surfactant metabolism dysfunction 1 (SMDP1); Respiratory distress syndrome in premature infants (RDS)
  • 亚细胞定位：
    Secreted, extracellular space, surface film.
  • 数据库链接：

    HGNC: 10801

    OMIM: 178640

    KEGG: hsa:6439

    STRING: 9606.ENSP00000377409

    UniGene: Hs.512690