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連環(huán)蛋白β1(β-catenin)檢測試劑盒(酶聯(lián)免疫吸附試驗法)

ELISA Kit for Beta Catenin (β-catenin)

CTNNb1; bCat; b-Cat; CTNN-B1; Catenin Beta 1; Cadherin-Associated Protein

  • 連環(huán)蛋白β1(β-catenin)檢測試劑盒(酶聯(lián)免疫吸附試驗法)產(chǎn)品包裝(模擬)
  • 連環(huán)蛋白β1(β-catenin)檢測試劑盒(酶聯(lián)免疫吸附試驗法)產(chǎn)品包裝(模擬)
  • 連環(huán)蛋白β1(β-catenin)檢測試劑盒(酶聯(lián)免疫吸附試驗法)實驗結(jié)果圖
  • SEB021Hu.jpg標準曲線圖
  • Certificate通過ISO 9001、ISO 13485質(zhì)量體系認證

特異性

本試劑盒用于檢測連環(huán)蛋白β1(β-catenin),經(jīng)檢測與其它相似物質(zhì)無明顯交叉反應。
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。

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、高值定值樣本進行定量測定,每個樣本使用同一試劑盒重復測定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%

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行操作可減少人為誤差。

實驗流程

1. 實驗前標準品、試劑及樣本的準備;
2. 加樣(標準品及樣本)100µL,37°C孵育1小時;
3. 吸棄,加檢測溶液A100µL,37°C孵育1小時;
4. 洗板3次;
5. 加檢測溶液B100µL,37°C孵育30分鐘;
6. 洗板5次;
7. 加TMB底物90µL,37°C孵育10-20分鐘;
8. 加終止液50µL,立即450nm讀數(shù)。

實驗原理

將連環(huán)蛋白β1(β-catenin)抗體包被于96孔微孔板中,制成固相載體,向微孔中分別加入標準品或標本,其中的連環(huán)蛋白β1(β-catenin)與連接于固相載體上的抗體結(jié)合,然后加入生物素化的連環(huán)蛋白β1(β-catenin)抗體,將未結(jié)合的生物素化抗體洗凈后,加入HRP標記的親和素,再次徹底洗滌后加入TMB底物顯色。TMB在過氧化物酶的催化下轉(zhuǎn)化成藍色,并在酸的作用下轉(zhuǎn)化成最終的黃色。顏色的深淺和樣品中的連環(huán)蛋白β1(β-catenin)呈正相關(guān)。用酶標儀在450nm波長下測定吸光度(O.D.值),計算樣品濃度。

參考文獻

雜志參考文獻
Clinica Chimica ActaVersican and its associated molecules: Potential diagnostic markers for multiple myeloma[Pubmed:25623955]
Journal of Bone and Mineral ResearchAdverse effects of osteocytic constitutive activation of ?-catenin on bone strength and bone growth[Pubmed:25639729]
Am J Transl ResRole of SDF-1 and Wnt signaling pathway in the myocardial fibrosis of hypertensive rats[PubMed: 26396666]
Scientific ReportsIs there an association between enhanced choline and β-catenin pathway in breast cancer? A pilot study by MR Spectroscopy and ELISA.[pubmed:28533512]
Life SciencesHepatoprotective effect of hesperidin in hepatocellular carcinoma: Involvement of Wnt signaling pathways.[pubmed:28754618]
Scientific ReportsIs there an association between enhanced choline and β-catenin pathway in breast cancer? A pilot study by MR Spectroscopy and ELISA[Pubmed: 28533512]
The Showa University Journal of Medical SciencesEribulin Treatment Induces High Expression of miR-195 and Inactivates the Wnt/β-catenin Signaling Pathway in Triple-negative Breast Cancer[Doi: 10.15369/sujms.30.359]
Advances in?Medical?SciencesUrinary procollagen III aminoterminal propeptide and β-catenin–New diagnostic biomarkers in solitary functioning kidney?[Pubmed: 30738287]
Biomed PharmacotherSilence of FAM83H-AS1 promotes chemosensitivity of gastric cancer through Wnt/β-catenin signaling pathway[Pubmed: 32028241]
Journal of Cosmetic DermatologyNovel complex of cosmetic ingredients with promising action in preventing hair loss and follicular aging through mechanism involving enrichment of WNT/signaling?…[Pubmed: 33179848]
NutrientsHydroxytyrosol as a Promising Ally in the Treatment of Fibromyalgia[Pubmed: 32784915]
OncotargetAmalgamation of PI3K and EZH2 blockade synergistically regulates invasion and angiogenesis: combination therapy for glioblastoma multiforme[33473259]
CytokineQNZ alleviated hepatocellular carcinoma by targeting inflammatory pathways in a rat model[34564023]