分泌型卷曲相關(guān)蛋白5(SFRP5)等多因子檢測試劑盒(流式熒光發(fā)光法)
Multiplex Assay Kit for Secreted Frizzled Related Protein 5 (SFRP5) ,etc. by FLIA (Flow Luminescence Immunoassay)
SARP3; Secreted Apoptosis Related Protein 3; Frizzled-related protein 1b
（注：單次混測多因子不超過8個指標(biāo) ）
- 編號ULMC842Hu
- 物種Homo sapiens (Human，人) 相同的名稱，不同的物種。
- 實驗方法雙抗夾心
- 反應(yīng)時長3.5h
- 檢測范圍0.1-100ng/mL
- 靈敏度最小可檢測劑量小于等于0.033 ng/mL.
- 樣本類型Serum, plasma, tissue homogenates and other biological fluids
- 下載 英文說明書 中文說明書
- 規(guī)格 8指標(biāo)數(shù) 7指標(biāo)數(shù) 6指標(biāo)數(shù) 5指標(biāo)數(shù) 4指標(biāo)數(shù) 3指標(biāo)數(shù) 2指標(biāo)數(shù)1指標(biāo)數(shù)
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通過ISO 9001、ISO 13485質(zhì)量體系認(rèn)證
特異性
本試劑盒用于檢測分泌型卷曲相關(guān)蛋白5(SFRP5)等多因子檢測試劑盒(流式熒光發(fā)光法)，經(jīng)檢測與其它相似物質(zhì)無明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來源的限制，不可能完成對所有相關(guān)或相似物質(zhì)交叉反應(yīng)檢測，因此本試劑盒有可能與未經(jīng)檢測的其它物質(zhì)有交叉反應(yīng)。
回收率
分別于定值血清及血漿樣本中加入一定量的分泌型卷曲相關(guān)蛋白5(SFRP5)等多因子檢測試劑盒(流式熒光發(fā)光法)（加標(biāo)樣品），重復(fù)測定并計算其均值，回收率為測定值與理論值的比率。
| 樣本 | 回收率范圍(%) | 平均回收率(%) |
| serum(n=5) | 87-104 | 94 |
| EDTA plasma(n=5) | 98-105 | 101 |
| heparin plasma(n=5) | 97-105 | 101 |
| sodium citrate plasma(n=5) | 79-101 | 87 |
精密度
精密度用樣品測定值的變異系數(shù)CV表示。CV(%) = SD/mean×100
批內(nèi)差：取同批次試劑盒對低、中、高值定值樣本進(jìn)行定量檢測,每份樣本連續(xù)測定20 次，分別計算不同濃度樣本的平均值及SD值。
批間差：選取3個不同批次的試劑盒分別對低、中、高值定值樣本進(jìn)行定量測定，每個樣本使用同一試劑盒重復(fù)測定8次，分別計算不同濃度樣本的平均值及SD值。
批內(nèi)差： CV<10%
批間差： CV<12%
線性
在定值血清及血漿樣本內(nèi)加入適量的分泌型卷曲相關(guān)蛋白5(SFRP5)等多因子檢測試劑盒(流式熒光發(fā)光法)，并倍比稀釋成1:2，1:4，1:8，1:16的待測樣本，線性范圍即為稀釋后樣本中分泌型卷曲相關(guān)蛋白5(SFRP5)等多因子檢測試劑盒(流式熒光發(fā)光法)含量的測定值與理論值的比率。
| 樣本 | 1:2 | 1:4 | 1:8 | 1:16 |
| serum(n=5) | 79-104% | 94-101% | 97-104% | 81-93% |
| EDTA plasma(n=5) | 84-96% | 87-104% | 93-101% | 93-101% |
| heparin plasma(n=5) | 93-103% | 82-90% | 98-105% | 84-102% |
| sodium citrate plasma(n=5) | 88-102% | 92-99% | 99-105% | 96-104% |
穩(wěn)定性
經(jīng)測定，試劑盒在有效期內(nèi)按推薦溫度保存，其活性降低率小于5%。
為減小外部因素對試劑盒破壞前后檢測值的影響，實驗室的環(huán)境條件需盡量保持一致，尤其是實驗室內(nèi)溫度、濕度及溫育條件。其次由同一實驗員來進(jìn)行操作可減少人為誤差。
實驗流程
1. 實驗前標(biāo)準(zhǔn)品、試劑及樣本準(zhǔn)備；
2. 加樣（標(biāo)準(zhǔn)品、樣本、磁珠）標(biāo)準(zhǔn)品或樣本100μL及磁珠10μL，
37°C酶標(biāo)板振蕩器孵育90分鐘；
3. 磁吸甩干，加檢測溶液A100μL，37°C酶標(biāo)板振蕩器孵育60分鐘；
4. 磁吸洗板3次；
5. 加檢測溶液B100μL，37°C振動孵育30分鐘；
6. 磁吸洗板3次；
7. 加鞘液100μL，旋渦震蕩2分鐘后讀數(shù)。
實驗原理
將分泌型卷曲相關(guān)蛋白5(SFRP5)等多因子檢測試劑盒(流式熒光發(fā)光法)抗體包被于磁珠，制成固相載體，向微孔中分別加入標(biāo)準(zhǔn)品或標(biāo)本以及磁珠，其中的分泌型卷曲相關(guān)蛋白5(SFRP5)等多因子檢測試劑盒(流式熒光發(fā)光法)與連接于固相載體上的抗體結(jié)合，然后加入生物素化的分泌型卷曲相關(guān)蛋白5(SFRP5)等多因子檢測試劑盒(流式熒光發(fā)光法)抗體，將未結(jié)合的生物素化抗體洗凈后，加入PE標(biāo)記的親和素，再次徹底洗滌后即可上機(jī)讀數(shù)。MFI值和樣品中的分泌型卷曲相關(guān)蛋白5(SFRP5)等多因子檢測試劑盒(流式熒光發(fā)光法)呈正相關(guān)。
贈品
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相關(guān)產(chǎn)品
| 編號 | 適用物種：Homo sapiens (Human，人) | 應(yīng)用(僅供研究使用，不用于臨床診斷！) |
| URPC842Hu01 | 分泌型卷曲相關(guān)蛋白5(SFRP5)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| URPC842Hu02 | 分泌型卷曲相關(guān)蛋白5(SFRP5)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| URPC842Hu03 | 分泌型卷曲相關(guān)蛋白5(SFRP5)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| UPAC842Hu01 | 分泌型卷曲相關(guān)蛋白5(SFRP5)多克隆抗體 | IHC |
| UPAC842Hu03 | 分泌型卷曲相關(guān)蛋白5(SFRP5)多克隆抗體 | WB |
| UPAC842Hu02 | 分泌型卷曲相關(guān)蛋白5(SFRP5)多克隆抗體 | WB |
| ULAC842Hu71 | 分泌型卷曲相關(guān)蛋白5(SFRP5)多克隆抗體(生物素標(biāo)記) | WB |
| UMAC842Hu21 | 分泌型卷曲相關(guān)蛋白5(SFRP5)單克隆抗體 | WB |
| UMAC842Hu22 | 分泌型卷曲相關(guān)蛋白5(SFRP5)單克隆抗體 | WB; IHC; ICC; IP. |
| ULAC842Hu72 | 分泌型卷曲相關(guān)蛋白5(SFRP5)單克隆抗體(生物素標(biāo)記) | WB; IHC; ICC. |
| USEC842Hu | 分泌型卷曲相關(guān)蛋白5(SFRP5)檢測試劑盒(酶聯(lián)免疫吸附試驗法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| UWEC842Hu | 分泌型卷曲相關(guān)蛋白5(SFRP5)檢測試劑盒(酶聯(lián)免疫吸附試驗法,寬范圍) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| UHEC842Hu | 分泌型卷曲相關(guān)蛋白5(SFRP5)檢測試劑盒(酶聯(lián)免疫吸附試驗法,高敏型) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| ULMC842Hu | 分泌型卷曲相關(guān)蛋白5(SFRP5)等多因子檢測試劑盒(流式熒光發(fā)光法) | FLIA Kit for Antigen Detection. |
參考文獻(xiàn)
| 雜志 | 參考文獻(xiàn) |
| Diabetes Research and Clinical Practice | Plasma SFRP5 levels are decreased in Chinese subjects with obesity and type 2 diabetes and negatively correlated with parameters of insulin resistance [PubMed: 23290274] |
| European Journal of Clinical Investigation | Sfrp5 correlates with insulin resistance and oxidative stress [PubMed: 23398169] |
| Pediatric Research | Balanced duo of anti-inflammatory SFRP5 and proinflammatory WNT5A in children [Pubmed: 24603290] |
| Clin Endocrinol (Oxf). | SFRP5 correlates with obesity and metabolic syndrome and increases after weight loss in children [Pubmed: 24330025] |
| The Journal of Clinical Endocrinology & Metabolism | Circulating Sfrp5 is a signature of obesity-related metabolic disorders and is regulated by glucose and liraglutide in humans [Pubmed: 23185036] |
| Atherosclerosis | Low serum level of secreted frizzled-related protein 5, an anti-inflammatory adipokine, is associated with coronary artery disease [Pubmed: 24530778] |
| PLoS One. | Identification of adipokine clusters related to parameters of fat mass, insulin sensitivity and inflammation [Pubmed:Pmc4072672] |
| J Clin Endocrinol Metab. | Activation of noncanonical Wnt signaling through WNT5A in visceral adipose tissue of obese subjects is related to inflammation [Pubmed:24840810] |
| Oncology Letters | Serum secreted frizzled?related protein 5 levels differentially decrease in patients with hepatitis B virus?associated chronic infection and hepatocellular carcinoma [Pubmed:25120720] |
| Diabetes Metab Res Rev. | Circulating SFRP5 levels are elevated in drug‐na?ve recently diagnosed type 2 diabetic patients as compared with prediabetic subjects and controls [Pubmed:25139699] |
| Clinical & Experimental Immunology | The wingless-related integration site-5a/secreted frizzled-related protein-6 system is dysregulated in human sepsis [Pubmed:25382802] |
| Diabetes Metab Res Rev | Circulating SFRP5 levels are elevated in drug-na [PubMed: 25139699] |
| J Matern Fetal Neonatal Med | Prediction of gestational diabetes mellitus by first trimester serum secreted frizzle-related protein-5 levels [PubMed: 26100762] |
| Eur J Clin Invest | Sfrp5 associates with beta-cell function in humans [Pubmed:27019073] |
| Osteoporosis International | Bone marrow sFRP5 level is negatively associated with bone formation markers [pubmed:27986984] |
| Diabetes/Metabolism Research and Reviews | Plasma Sfrp5 levels correlate with determinants of the metabolic syndrome in Chinese adults [pubmed:28303637] |
| Cardiovascular Diabetology | Inverse associations between serum levels of secreted frizzled-related protein-5 (SFRP5) and multiple cardiometabolic risk factors: KORA F4 study [pubmed:28851362] |
| Arteriosclerosis, Thrombosis, and?Vascular Biology? | Effect of SFRP5 (Secreted Frizzled–Related Protein 5) on the WNT5A (Wingless-Type Family Member 5A)-Induced Endothelial Dysfunction and Its Relevance With?… [Pubmed:29674475] |
| Obesity | Longitudinal Increases in Adiposity Contribute to Worsening Adipokine Profile over Time in Mexican Americans [Pubmed:29427376] |
| J Bas Res Med Sci | Decreased level of the anti-inflammatory adipokines, secreted frizzled-related protein 5 and adiponectin, in high cholesterol diet-induced atherosclerotic rats [article-1-352-en.pdf] |
| Molecular?Biology?Reports | The effect of serum and follicular fluid secreted frizzle-related protein-5 on in vitro fertilization outcomes in patients with polycystic ovary syndrome [Pubmed: 30194556] |
| Macrophage LRP1 promotes diet-induced hepatic inflammation and metabolic dysfunction by modulating Wnt signaling [] | |
| British?Journal Of Nutrition | A diet high in sugar-sweetened beverage and low in fruits and vegetables is associated with adiposity and a pro-inflammatory adipokine profile [Pubmed: 30375290] |
| J Clin Endocrinol Metab | Role of wnt5a in Metabolic Inflammation in Humans [Pubmed: 30137542] |
| Frontiers in Endocrinology | Association of Adipocytokines With Carotid Intima Media Thickness and Arterial Stiffness in Obstructive Sleep Apnea Patients [Pubmed: 32300333] |
| CLINICAL BIOCHEMISTRY | Sfrp5/Wnt5a and Leptin/adiponectin levels in the serum and the periarterial adipose tissue of patients with peripheral arterial occlusive disease [Pubmed: 33188773] |
| Sao Paulo Medical Journal | Association of serum levels of secreted frizzled-related protein 5 and Wnt member 5a with glomerular filtration rate in patients with type 2 diabetes mellitus and … [Pubmed: 32491086] |
| Kidney Blood Press Res | Secreted Frizzled-Related Protein 5 Ameliorates Vascular Calcification in a Rat Model of Chronic Kidney Disease through the Wnt/β-Catenin Pathway [34469882] |
| Cytokine | Association of serum uromodulin with adipokines in dependence of type 2 diabetes [34920231] |
| PLoS One | Association of circulating MR-proADM with all-cause and cardiovascular mortality in the general population: Results from the KORA F4 cohort study [Pubmed:34990470] |
| JMIR Res Protoc | Investigating New Sensory Methods Related to Taste Sensitivity, Preferences, and Diet of Mother-Infant Pairs and Their Relationship With Body Composition?… [Pubmed:35475790] |
| Diabetology | Early Pregnancy Serum Concentration of Secreted Frizzled-Related Protein 4, Secreted Frizzled-Related Protein 5, and Chemerin in Obese Women Who Develop?… [] |
