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- 详细信息
- 文献和实验
- 技术资料
- 应用:
SS-A/Ro-Ab ELISA kit
- 检测方法:
SS-A/Ro-Ab ELISA kit
- 供应商:
上海研卉生物
- 库存:
5-8周
- 规格:
kit
货号RE75231
酶免疫分析法用于定性和定量测定人血清中抗SS-A/Ro的IgG抗体。SS-A/Ro抗体针对两种不同的蛋白质,Ro52和Ro60,它们在生理上与某些小的hY核糖核酸复合。这些抗体在Sjögren综合征(SS)中的患病率较高(>70%),Sjögren综合征是外分泌腺的一种炎症性自身免疫性疾病。它们也与系统性红斑狼疮(SLE)有关;尤其是某些变异(如亚急性皮肤病:患病率约为80%)。有时,如果抗原在底物中不充分存在,则免疫荧光分析(IFA)无法检测SS-A/Ro抗体。因此,如果怀疑SS或SLE,尽管IFA结果为阴性,适当的酶联免疫吸附试验(ELISA)可能有用。大多数SS-A/Ro阳性血清含有针对Ro60和Ro52的抗体;因此,差异化分析不会产生太多诊断益处。然而,Ro52特异性抗体似乎与SS密切相关,而Ro60抗体与SLE密切相关。
- Regulatory Status:
-
EU: CE
- Kit size
-
12 x 8
- Method
-
ELISA
- Incubation time
-
3 x 30 min
- Standard range
-
0 - 70 U/mL, cut-off 4 U/mL
- Specimen / Volumes
-
5 µL serum, plasma
- Substrate / isotope
-
TMB 450 nm
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