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基質Gla蛋白(MGP)等多因子檢測試劑盒(流式熒光發(fā)光法)

Multiplex Assay Kit for Matrix Gla Protein (MGP) ,etc. by FLIA (Flow Luminescence Immunoassay)

MGLAP; GIG36; Cell growth-inhibiting gene 36 protein

(注:單次混測多因子不超過8個指標 )

  • 基質Gla蛋白(MGP)等多因子檢測試劑盒(流式熒光發(fā)光法) 產品包裝(模擬)
  • 基質Gla蛋白(MGP)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

本試劑盒用于檢測基質Gla蛋白(MGP)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基質Gla蛋白(MGP)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) 78-104 89
EDTA plasma(n=5) 86-93 90
heparin plasma(n=5) 79-96 89

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基質Gla蛋白(MGP)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基質Gla蛋白(MGP)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) 91-98% 81-91% 80-97% 90-104%
EDTA plasma(n=5) 94-101% 95-104% 94-101% 80-96%
heparin plasma(n=5) 78-97% 78-97% 91-105% 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(shù)。

實驗原理

將基質Gla蛋白(MGP)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,其中的基質Gla蛋白(MGP)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基質Gla蛋白(MGP)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(shù)。MFI值和樣品中的基質Gla蛋白(MGP)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

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參考文獻

雜志 參考文獻
Nephrology Dialysis Transplantation Magnesium prevents phosphate-induced calcification in human aortic vascular smooth muscle cells [PubMed: PMC3611891]
Maturitas. Bone metabolism regulators and arterial stiffness in postmenopausal women [Pubmed: 23916080]
The Egyptian Rheumatologist Osteoprotegerin (OPG) and Matrix Gla protein (MGP) in rheumatoid arthritis patients: Relation to disease activity [ScienceDirect: S1110116414000076]
Toxicology Reports Canola and hydrogenated soybean oils accelerate ectopic bone formation induced by implantation of bone morphogenetic protein in mice [Researchgate:Source]
Lipids in Health and Disease Markers of increased cardiovascular risk in patients with chronic kidney disease [Biomedcentral:Source]
Human &amp; Veterinary Medicine The behavior of circulating matrix Gla protein, matrix metalloproteinase-9 and nitrotyrosine in patients with varicose veins [Hvm:Source]
Pol Arch Med Wewn Effect of Vitamin K2 on progression of atherosclerosis and vascular calcification in nondialyzed patients with chronic kidney disease stages 3-5 [PubMed: 26176325]
Lipids Health Dis. Markers of increased atherosclerotic risk in patients with chronic kidney disease: a preliminary study [pmc:PMC4739105]
Kidney Blood Press Res. Plasma Desphospho-Uncarboxylated Matrix Gla Protein as a Marker of Kidney Damage and Cardiovascular Risk in Advanced Stage of Chronic Kidney Disease [Pubmed:27100101]
Archives of?Oral?Biology Matrix-Gla Protein rs4236 [A/G] gene polymorphism and serum and GCF levels of MGP in patients with subgingival dental calculus [pubmed:27348051]
Cell?Death?&?Disease Mesenchymal stromal cells-derived matrix Gla protein contribute to the alleviation of experimental colitis [Pubmed:29880866]
Urology High concentration of calcium promotes mineralization in NRK52E cells via inhibiting the expression of matrix Gla protein [Pubmed:29935264]
Clinica?Chimica?Acta Serum total matrix Gla protein: Reference interval in healthy adults and variations in patients with vascular and osteoarticular diseases [Pubmed: 30597137]
Biological?Trace?Element?Research Altered Mineral Metabolism and Disequilibrium Between Calcification Promoters and Inhibitors in Chronic Hemodialysis Patients [Pubmed: 30847765]
Renal Failure Relationship of matrix Gla protein and vitamin K with vascular calcification in hemodialysis patients [Pubmed: 31538831]
Heliyon Matrix Gla protein maintains normal and malignant hematopoietic progenitor cells by interacting with bone morphogenetic protein-4 [Pubmed: 32322728]
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