Total Soluble Neuropilin-1 ELISA
预期用途
用于定量检测人血清、血浆中可溶性总神经纤毛蛋白-1特异性抗体。仅供科研使用。
特征和优势
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高特异性表位定位抗体定量检测
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严格验证人血清校准品及质控品
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性能卓越可靠,符合ICH,EMEA和FDA要求
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可检测血清,血浆,细胞培养上层清液及非人类样本
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样本量仅需10 µl
试剂盒信息
货号 |
BI-20409 |
方法学 |
夹心 ELISA, HRP/TMB, 12x8人份测试 |
样本类型 |
血清、血浆(EDTA, 肝素,枸橼酸钠)、细胞培养液 |
标准品范围 |
0-12 nmol/l (7个标准品) |
标准品 |
0/0.37/0.75/1.5/3/6/12 nmol/l |
质控品 |
2个 |
样本量 |
10 µl /测试 |
孵育时间 |
30 min/2h/1h/30min |
单位换算 |
1ng/ml = 0.014nmol/l (MW: 69.7 kDa) |
灵敏度 |
LOD: 0.09 nmol/l (0 pmol/l + 3 SD); LLOQ: 0.09nmol/l |
精密度 |
批内差 (n=6) ≤ 11%, 批间差 (n=12) ≤ 10% |
健康人群参考范围 |
Median 血清( n=24): 2.0nmol/l.
Median EDTA 血浆(n=24): 1.7nmol/l.
Median 肝素 血浆(n=24): 1.7nmol/l.
Median枸橼酸钠血浆(n=24): 1.9nmol/l.
推荐建立实验室自己的参考范围。 |
非人属种Nrp-1 |
猴子,猪,大鼠及小鼠与人Nrp-1同源性超过90%,本试剂并未对非人属种样本做验证,但是大鼠及小鼠的加标回收率以及线性数据表现合格。 |
背景知识
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Nrp-1 为跨膜糖蛋白,在各种细胞与组织中均有表达,如神经元细胞,内皮细胞,血管平滑机细胞,心机,多种瘤细胞株,成骨细胞,初始T细胞或血小板。
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Nrp-1在神经系统中与其配体 semaphorins (信号素)结合而在轴突中起作用, Nrp-1, Nrp-2为 Sema受体并且仅与III型Sema结合。
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神经纤毛蛋白-1(neuropilin-1,NRP-1)为一种多功能信号传导跨膜蛋白,其参与转化生长因子-β(TGF-β)、血管内皮生长因子(VEGF)等信号通路的信号传导[1-3],在生长发育、免疫、肿瘤方面起着重要的作用。
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近年来关于NRP-1的研究已从最初的神经系统发育扩展到血管形成、肿瘤发生与发展、造血系统疾病、免疫系统功能等多个领域。
参考文献
1. Neuropilin Functions as an Essential Cell Surface Receptor. HF Guo and CW Vander Kooi, J Biol Chem, 2015; 290(49):29120-29126.
2. Neuropilin signalling in angiogenesis. Koch S, Biochem Soc Trans, 2012; 40(1):20-25.
3. Characterization of neuropilin-1 structural features that confer binding to semaphorin 3A and vascular endothelial growth factor 165. Gu C et al., J Biol Chem, 2002; 277(20): 18069-18076.
4. Multifaceted Role of Neuropilins in the Immune System: Potential Targets for Immunotherapy. Roy S et al., Front Immunol, 2017; 10 (8): 1228.
5. Neuropilin 1 expression in human aortas, coronaries and the main bypass grafts. Alattar M et al., Eur J Cardiothorac Surg, 2014; 46(6): 967-973.
6. Role of Neuropilin-1 in Diabetic Nephropathy. Bondeva T et al., J Clin Med, 2015; 4(6): 1293-1311.
7. Neuropilins: role in signalling, angiogenesis and disease. Zachary I, Chem Immunol Allergy, 2014; 99: 37–70.
8. Neuropilin-1 is upregulated in the adaptive response of prostate tumors to androgen-targeted therapies and is prognostic of metastatic progression and patient mortality. Tse BWC et al., Oncogene, 2017; 36(24): 3417-3427.
9. Dual Function of NRP1 in Axon Guidance and Subcellular Target Recognition in Cerebellum. Telley L et al., Neuron, 2016; 21; 91(6): 1276-1291.
10. Nrp1, a Neuronal Regulator, Enhances DDR2-ERK-Runx2 Cascade in Osteoblast Differentiation via Suppression of DDR2 Degradation. Zhang Y et al., Cell Physiol Biochem, 2015; 36(1): 75-84.
11. Neuropilins: structure, function and role in disease. Pellet-Many C et al., Biochem J, 2008; 411(2): 211-226.
12. Neuropilin-1 as Therapeutic Target for Malignant Melanoma. G Graziani1 and PM Lacal, Front Oncol, 2015; 5: 125.
13. CPMP/ICH/381/95 ICH Topic Q2 (R1) „Validation of Analytical Procedures: Text and Methodology” including: ICH Q2A “Text on Validation of Analytical Procedures” ICH Q2B “Validation of Analytical Procedures: Methodology”.
14. Neuropilins lock secreted semaphorins onto plexins in a ternary signaling complex. Janssen BJC et al., Nat struct Mol Biol, 2012; 19:1293-1299.
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