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色素上皮衍生因子(PEDF)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法)

ELISA Kit for Pigment Epithelium Derived Factor (PEDF)

SERPINF1; EPC1; PIG35; SDF3; Serpin F1; Cell proliferation-inducing gene 35; Serpin Peptidase Inhibitor,Clade F Member 1(Alpha-2 Antiplasmin); Stromal Cell Derived Factor 3

  • 色素上皮衍生因子(PEDF)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 產(chǎn)品包裝(模擬)
  • 色素上皮衍生因子(PEDF)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 產(chǎn)品包裝(模擬)
  • 色素上皮衍生因子(PEDF)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 實(shí)驗(yàn)結(jié)果圖
  • SEB972Rb.jpg 標(biāo)準(zhǔn)曲線圖
  • Certificate 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(cè)色素上皮衍生因子(PEDF),經(jīng)檢測(cè)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(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色素上皮衍生因子(PEDF)(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) 86-102 91
EDTA plasma(n=5) 83-98 94
heparin plasma(n=5) 80-89 85

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)加入適量的色素上皮衍生因子(PEDF),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色素上皮衍生因子(PEDF)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) 84-94% 96-105% 94-105% 93-104%
EDTA plasma(n=5) 94-102% 86-94% 79-99% 97-105%
heparin plasma(n=5) 80-104% 91-99% 87-94% 92-105%

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、試劑及樣本的準(zhǔn)備;
2. 加樣(標(biāo)準(zhǔn)品及樣本)100µL,37°C孵育1小時(shí);
3. 吸棄,加檢測(cè)溶液A100µL,37°C孵育1小時(shí);
4. 洗板3次;
5. 加檢測(cè)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(shí)驗(yàn)原理

將色素上皮衍生因子(PEDF)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(biāo)準(zhǔn)品或標(biāo)本,其中的色素上皮衍生因子(PEDF)與連接于固相載體上的抗體結(jié)合,然后加入生物素化的色素上皮衍生因子(PEDF)抗體,將未結(jié)合的生物素化抗體洗凈后,加入HRP標(biāo)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(lán)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色素上皮衍生因子(PEDF)呈正相關(guān)。用酶標(biāo)儀在450nm波長(zhǎng)下測(cè)定吸光度(O.D.值),計(jì)算樣品濃度。

相關(guān)產(chǎn)品

編號(hào) 適用物種:Oryctolagus cuniculus (Rabbit,兔) 應(yīng)用(僅供研究使用,不用于臨床診斷!)
RPB972Rb01 色素上皮衍生因子(PEDF)重組蛋白 Positive Control; Immunogen; SDS-PAGE; WB.
SEB972Rb 色素上皮衍生因子(PEDF)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) Enzyme-linked immunosorbent assay for Antigen Detection.
LMB972Rb 色素上皮衍生因子(PEDF)等多因子檢測(cè)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)
Molecular Therapy A Therapeutic Strategy for Choroidal Neovascularization Based on Recruitment of Mesenchymal Stem Cells to the Sites of Lesions [Nature: 2010144]
American Journal of Nephrology Urinary Pigment Epithelium-Derived Factor as a Marker of Diabetic Nephropathy [Karger: 314326]
34 Increased expression of pigment epithelium-derived factor in aged mesenchymal stem cells impairs their therapeutic efficacy for attenuating myocardial infarction injury [OxfordJournals: source]
Heart and Education in Heart The change of serum level of pigment epithelium-derived factor in coronary heart disease [Bmj: Source]
Mediators of Inflammation Metformin Inhibits Expression and Secretion of PEDF in Adipocyte and Hepatocyte via Promoting AMPK Phosphorylation [Pubmed: 24288442]
Cardiology. The association study of plasma levels of pigment epithelium-derived factor with acute coronary syndrome in the chinese han population. [Pubmed: 24192856]
Endocrinology Rosiglitazone Inhibits Expression and Secretion of PEDF in Adipose Tissue and Liver of Male SD Rats Via a PPAR-γ Independent Mechanism [Endocrine: Source]
Clinical Science Pigment epithelium-derived factor regulates microvascular permeability through adipose triglyceride lipase in sepsis [PubMed: 25700221]
Molecular Sciences Pigment Epithelium-Derived Factor (PEDF) Protects Osteoblastic Cell Line from Glucocorticoid-Induced Apoptosis via PEDF-R [Pubmed:27187377]
Investigative ophthalmoloey & visual science The Ingenious Interactions Between Macrophages and Functionally Plastic Retinal Pigment Epithelium Cells [articleid:2582822]
Scientific reports VEGF-B promotes recovery of corneal innervations and trophic functions in diabetic mice [pubmed:28091556]
國際眼科雜志 色素上皮衍生因子修飾的人臍帶間充質(zhì)干細(xì)胞構(gòu)建方法 [201707007]
Investigative?Ophthalmology?&?Visual?Science PEDF Reduces the Severity of Herpetic Simplex Keratitis in Mice [Pubmed:30025136]
International Eye Science 高海拔地區(qū)新生血管性青光眼不同治療方式的療效及對(duì)房水中PEDF, VEGF 水平的影響 [2018/2/201802020.pdf]
Domestic?Animal?Endocrinology Lactation-related changes in tissue expression of PEDF in dairy cows [Pubmed:29758402]
Medical?Science?Monitor Correlation Between Pigment Epithelium-Derived Factor (PEDF) level and Degree of Coronary Angiography and Severity of Coronary Artery Disease in a?… [Pubmed:29574467]
Chemosphere Role of pigment epithelium-derived factor (PEDF) on arsenic-induced neuronal apoptosis [Doi: 10.1016/j.chemosphere.2018.10.100]
Biological?Trace?Element?Research Role of Pigment Epithelium-Derived Factor in Arsenic-Induced Vascular Endothelial Dysfunction in a Rat Model [Pubmed: 30392020]
International?Urology?and Nephrology Increased levels of serum pigment epithelium-derived factor aggravate proteinuria via induction of podocyte actin rearrangement [Pubmed: 30536192]
International Journal of Ophthalmology A novel xeno-free culture system for human retinal pigment epithelium cells [Pubmed: 31024807]
Journal of the American Heart Association Pigment Epithelial‐Derived Factor Deficiency Accelerates Atherosclerosis Development via Promoting Endothelial Fatty Acid Uptake in Mice With Hyperlipidemia [Pubmed: 31711388]
environmental research Pigment epithelium-derived factor (PEDF) ameliorates arsenic-induced vascular endothelial dysfunction in rats and toxicity in endothelial EA. hy926 cells [Pubmed: 32315827]
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES The Expression Levels and Cellular Localization of Pigment Epithelium Derived Factor (PEDF) in Mouse Testis: Its Possible Involvement in the Differentiation of Spermatogonial Cells [33498962]
Hum Cell Long non-coding RNA Rian promotes the expression of tight junction proteins in endothelial cells by regulating perivascular-resident macrophage-like melanocytes ?- [33768511]
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