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| 产品编号 | bs-0360P |
| 英文名称 | Human sIgA |
| 中文名称 | 人分泌型IgA（亲和纯化) |
| 别 名 | Human Secretory type IgA; 正常人免疫球蛋白A; |
 | Specific References (3) | bs-0360P has been referenced in 3 publications. [IF=5.227] Jianglong Yao. et al. An aptamer triple helix molecular switch for sensitive electrochemical assay of lipocalin 1 biomarker via dual signal amplifications. ANALYST. 2023 May;: [IF=4.34] Gao, Hongfei, et al. Amorphous carbon nanoparticle used as novel resonance energy transfer acceptor for chemiluminescent immunoassay of transferrin. Biosensors and Bioelectronics 60 (2014) 224–230. other ; [IF=2.88] Tang M et al. Quantum dots-based sandwich immunoassay for sensitive detection of Alzheimer's disease-related Aβ1-42.Spectrochim Acta A Mol Biomol Spectrosc. 2018 Aug 5;201:82-87. Other ; |
| 性 状 | Lyophilized powder |
| 浓 度 | N/A |
| 保存条件 | Store at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 注意事项 | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
| 产品介绍 | Human IgA (immunoglobulin A) is a glycosylated protein of 160 kDa and is produced as a monomer or as a J chain linked dimer. Monomeric IgA constitutes 5-15 % of the serum immunoglobulins whereas dimeric IgA is localized to mucosa surfaces such as saliva, gastrointestinal secretion, bronchial fluids and milk. Mucosal IgA plays a major role in host defence by neutralising infectious agents at mucosal surfaces. The production is usually local and antigen specific IgA producing B cells can be found in regions under the lamina propria where they mature into dimeric IgA producing plasma cells. IgA deficiency is the most common immunodeficiency that may affect both serum and mucosal produced IgA. OR: The secretory component is a component of immunoglobulin A (IgA) which consists of a portion of the polymeric immunoglobulin receptor. Polymeric IgA binds to the polymeric immunoglobulin receptor on the basolateral surface of epithelial cells and is taken up into the cell via transcytosis. The receptor-IgA complex passes through the cellular compartments before being secreted on the luminal surface of the epithelial cells, still attached to the receptor. Proteolysis of the receptor occurs and the dimeric IgA molecule, along with the secretory component, are free to diffuse throughout the lumen. |
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