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轉(zhuǎn)化生長(zhǎng)因子β3(TGFb3)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)

Multiplex Assay Kit for Transforming Growth Factor Beta 3 (TGFb3) ,etc. by FLIA (Flow Luminescence Immunoassay)

TGF-B3; LAP; Latency-associated peptide

(注:?jiǎn)未位鞙y(cè)多因子不超過(guò)8個(gè)指標(biāo) )

  • 轉(zhuǎn)化生長(zhǎng)因子β3(TGFb3)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法) 產(chǎn)品包裝(模擬)
  • 轉(zhuǎn)化生長(zhǎng)因子β3(TGFb3)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法) 產(chǎn)品包裝(模擬)
  • Certificate 通過(guò)ISO 9001、ISO 13485質(zhì)量體系認(rèn)證

特異性

本試劑盒用于檢測(cè)轉(zhuǎn)化生長(zhǎng)因子β3(TGFb3)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法),經(jīng)檢測(cè)與其它相似物質(zhì)無(wú)明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來(lái)源的限制,不可能完成對(duì)所有相關(guān)或相似物質(zhì)交叉反應(yīng)檢測(cè),因此本試劑盒有可能與未經(jīng)檢測(cè)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轉(zhuǎn)化生長(zhǎng)因子β3(TGFb3)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)(加標(biāo)樣品),重復(fù)測(cè)定并計(jì)算其均值,回收率為測(cè)定值與理論值的比率。

樣本 回收率范圍(%) 平均回收率(%)
serum(n=5) 89-104 98
EDTA plasma(n=5) 83-91 87
heparin plasma(n=5) 85-103 92

精密度

精密度用樣品測(cè)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(duì)低、中、高值定值樣本進(jìn)行定量檢測(cè),每份樣本連續(xù)測(cè)定20 次,分別計(jì)算不同濃度樣本的平均值及SD值。
批間差:選取3個(gè)不同批次的試劑盒分別對(duì)低、中、高值定值樣本進(jìn)行定量測(cè)定,每個(gè)樣本使用同一試劑盒重復(fù)測(cè)定8次,分別計(jì)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)加入適量的轉(zhuǎn)化生長(zhǎng)因子β3(TGFb3)等多因子檢測(cè)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(cè)樣本,線性范圍即為稀釋后樣本中轉(zhuǎn)化生長(zhǎng)因子β3(TGFb3)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)含量的測(cè)定值與理論值的比率。

樣本 1:2 1:4 1:8 1:16
serum(n=5) 78-95% 79-103% 84-102% 93-101%
EDTA plasma(n=5) 88-98% 91-99% 83-91% 94-102%
heparin plasma(n=5) 79-103% 81-89% 94-101% 78-94%

穩(wěn)定性

經(jīng)測(cè)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(duì)試劑盒破壞前后檢測(cè)值的影響,實(shí)驗(yàn)室的環(huán)境條件需盡量保持一致,尤其是實(shí)驗(yàn)室內(nèi)溫度、濕度及溫育條件。其次由同一實(shí)驗(yàn)員來(lái)進(jìn)行操作可減少人為誤差。

實(shí)驗(yàn)流程

1. 實(shí)驗(yàn)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(cè)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(cè)溶液B100μL,37°C振動(dòng)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(shí)驗(yàn)原理

將轉(zhuǎn)化生長(zhǎng)因子β3(TGFb3)等多因子檢測(cè)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,其中的轉(zhuǎn)化生長(zhǎng)因子β3(TGFb3)等多因子檢測(cè)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轉(zhuǎn)化生長(zhǎng)因子β3(TGFb3)等多因子檢測(cè)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值和樣品中的轉(zhuǎn)化生長(zhǎng)因子β3(TGFb3)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)呈正相關(guān)。

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編號(hào) 適用物種:Mus musculus (Mouse,小鼠) 應(yīng)用(僅供研究使用,不用于臨床診斷!)
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參考文獻(xiàn)

雜志 參考文獻(xiàn)
PLoS ONE A Combinatorial Relative Mass Value Evaluation of Endogenous Bioactive Proteins in Three-Dimensional Cultured Nucleus Pulposus Cells of Herniated Intervertebral Discs: Identification of Potential Target Proteins for Gene Therapeutic Approaches [Plosone: Source]
J Reprod Immunol The immunomodulating effect of seminal plasma on T cells [PubMed: 25799173]
Fertility and Sterility Influence of vitamin D and transforming growth factor β3 serum concentrations, obesity, and family history on the risk for uterine fibroids [pubmed:27743697]
Eur J Pharm Biopharm New scaffolds encapsulating TGF-β3/BMP-7 combinations driving strong chondrogenic differentiation [pubmed:28087378]
Transforme edici büyüme fakt?rü-beta-1 n?tralizan antikoru ve transforme edici büyüme fakt?rü-beta-3'ün trakeal darl?k geli?imi üzerine etkileri [10.5606/tgkdc.dergisi.2017.14302]
Fertility and Sterility Ulipristal acetate decreases transforming growth factor β3 serum and tumor tissue concentrations in patients with uterine fibroids [Pubmed:29525690]
Scientific Reports TGF-β concentrations and activity are down-regulated in the aqueous humor of patients with neovascular age-related macular degeneration [Pubmed:29795291]
Immunology?Letters The involvement of multifunctional TGF-β and related cytokines in pathogenesis of endometriosis [Pubmed: 30367890]
Cell?Reports Transforming Growth Factor-β3 Regulates Adipocyte Number in Subcutaneous White Adipose Tissue [Pubmed: 30332637]
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Temporal TGF-β Supergene Family Signalling Cues Modulating Tissue Morphogenesis: Chondrogenesis within a Muscle Tissue Model? [Pubmed: 32660137]
Equine Vet J Limited added value of negative pressure wound therapy compared to calcium alginate dressings for second intention healing in a non?\contaminated and??- [34115409]
AAPS PharmSciTech Nanoparticles and Nanostructured Films with TGF-β3: Preparation, Characterization, and Efficacy [34378118]
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