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色素上皮衍生因子(PEDF)等多因子檢測試劑盒(流式熒光發(fā)光法)

Multiplex Assay Kit for Pigment Epithelium Derived Factor (PEDF) ,etc. by FLIA (Flow Luminescence Immunoassay)

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

（注：單次混測多因子不超過8個指標 ）

  • 色素上皮衍生因子(PEDF)等多因子檢測試劑盒(流式熒光發(fā)光法) 產品包裝(模擬)
  • 色素上皮衍生因子(PEDF)等多因子檢測試劑盒(流式熒光發(fā)光法) 產品包裝(模擬)
  • Certificate 通過ISO 9001、ISO 13485質量體系認證

特異性

本試劑盒用于檢測色素上皮衍生因子(PEDF)等多因子檢測試劑盒(流式熒光發(fā)光法)，經檢測與其它相似物質無明顯交叉反應。
由于受到技術及樣本來源的限制，不可能完成對所有相關或相似物質交叉反應檢測，因此本試劑盒有可能與未經檢測的其它物質有交叉反應。

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)等多因子檢測試劑盒(流式熒光發(fā)光法)（加標樣品），重復測定并計算其均值，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) 86-101 96
EDTA plasma(n=5) 93-101 97
heparin plasma(n=5) 92-105 99

精密度

精密度用樣品測定值的變異系數CV表示。CV(%) = SD/mean×100
批內差：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。
批內差： CV<10%
批間差： CV<12%

線性

在定值血清及血漿樣本內加入適量的色素上皮衍生因子(PEDF)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色素上皮衍生因子(PEDF)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) 79-103% 81-96% 97-105% 83-91%
EDTA plasma(n=5) 80-96% 85-102% 95-104% 80-88%
heparin plasma(n=5) 80-94% 86-95% 81-104% 93-101%

穩(wěn)定性

經測定，試劑盒在有效期內按推薦溫度保存，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、試劑及樣本準備；
2. 加樣（標準品、樣本、磁珠）標準品或樣本100μL及磁珠10μL，
    37°C酶標板振蕩器孵育90分鐘；
3. 磁吸甩干，加檢測溶液A100μL，37°C酶標板振蕩器孵育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。

實驗原理

將色素上皮衍生因子(PEDF)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準品或標本以及磁珠，其中的色素上皮衍生因子(PEDF)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合，然后加入生物素化的色素上皮衍生因子(PEDF)等多因子檢測試劑盒(流式熒光發(fā)光法)抗體，將未結合的生物素化抗體洗凈后，加入PE標記的親和素，再次徹底洗滌后即可上機讀數。MFI值和樣品中的色素上皮衍生因子(PEDF)等多因子檢測試劑盒(流式熒光發(fā)光法)呈正相關。

贈品

相關產品

編號 適用物種：Oryctolagus cuniculus (Rabbit，兔) 應用(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)檢測試劑盒(酶聯免疫吸附試驗法) Enzyme-linked immunosorbent assay for Antigen Detection.
LMB972Rb 色素上皮衍生因子(PEDF)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

雜志 參考文獻
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干細胞構建方法 [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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