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Application： ELISA
Reactivity：Human
Sensitivity：46 pg/ml
Storage：2-8℃，6 months
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| Name | Human Kallikrein 1 ELISA Kit |
| Storage | 2-8℃，6 months |
| Detection Target | Kallikrein 1 |
| Sample Type | Serum，Plasma，Cell Culture Supernatant |
| Reactivity | Human |
| Application | ELISA |
| Reaction Type | Sandwich-ELISA |
| Quantitative/Qualitative | Quantitative |
| Detection Range | 93.75-6000 pg/ml |
| Sensitivity | 46 pg/ml |
| Specificity | Do not react with Human ComplementFactorH，Kallikrein2，Kallikrein3，Kallikrein4，Kallikrein5，Kallikrein6，Kallikrein7，Kallikrein8，Kallikrein11，Kallikrein12，Kallikrein13，Kallikrein14，Kininogen，SerpinA4，SerpinA5， Mouse Kallikrein1 etc. |
| Precision | Both intra-plate and inter-plate variation coefficients were less than 10% |
| Recovery | 80%-120% |
| Assay Time | 3.5h |
| Swiss Prot | P06870 |
| Gene ID | 3816 |
| Detection Principle | Solarbio ELISA试剂盒采用基于双抗体夹心法的酶联免疫吸附检测技术。将抗人Kallikrein 1单克隆抗体包被在酶标板上；分别加入梯度稀释的标准品和预稀释的样本，标准品和样本中的人Kallikrein 1会与酶标板上的包被抗体充分结合；洗板后加入生物素化抗人Kallikrein 1抗体，该抗体会与板子上包被抗体捕获的标准品和样本中的人Kallikrein 1发生特异性结合；洗板后加入辣根过氧化物酶（HRP）标记的链霉亲和素，生物素与链霉亲和素会发生高强度的非共价结合；洗板后加入显色剂底物TMB，若反应孔中样品存在不同浓度的人Kallikrein 1，则HRP会使无色TMB变成不同深浅（正相关）的蓝色物质，加入终止液后反应孔会变成黄色；最后，在λmax=450 nm（OD=450 nm）处测定反应孔样品吸光度（OD），样本中的人Kallikrein 1浓度与OD成正比，通过绘制标准曲线和四参数拟合软件便可计算出样本中人Kallikrein 1的浓度。 |
| Background | The human tissue kallikrein (KLK) gene family contains 15 members that play important roles in cancer. Notably，kallikrein-1，also known as tissue kallikrein，cleaves kininogen to release the vasoactive kinin peptide，bradykinin or lysyl-bradykinin. Kallikrein-3，called prostate specific antigen (PSA)，is an established tumor marker that aids in the diagnosis，staging，and follow up of prostate cancer. Kallikrein-4 is specifically expressed in the prostate and over-expressed in prostate cancer. Kallikrein-5 is widely expressed but found at high levels in skin，breast，brain and testis; over-expression is an indicator of poor prognosis in ovarian cancer. Kallikrein-8 is expressed in the brain and is a novel marker of ovarian and cervical cancer.Human plasma kallikrein，a serine protease，is synthesized in the liver and circulates in the plasma bound to high molecular weight (HMW) kininogen or as a free zymogen. Once activated by its physiological activator，coagulation factor XII，it displays endopeptidase activity towards peptide bonds after arginine (preferred) and lysine. It cleaves HMW kininogen，its major physiological substrate，to release the potent vasodilator peptide bradykinin. It is also able to cleave a number of inactive precursor proteins to generate active products，such as plasminogen and prourokinase. |
| Unit | Kit |
| Specification | 48T 96T |
Remark：These protocols are for reference only. Solarbio does not independently validate these methods.
Note：
1. The products are all for scientific research use only. Do not use it for medical, clinical diagnosis or treatment, food and cosmetics, etc. Do not store them in ordinary residential areas.
2. For your safety and health, please wear laboratory clothes, disposable gloves and masks.
3. The experimental results may be affected by many factors, after-sale service is limited to the product itself and does not involve other compensation.
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