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α2-HS糖蛋白(AHSG)檢測試劑盒(酶聯(lián)免疫吸附試驗法)

ELISA Kit for Alpha-2-Heremans Schmid Glycoprotein (AHSG)

aHSG; HSGa; A2HS; AHS; FETUA; HSG-A2; Fetuin-A; Alpha 2-HS Glycoprotein; Fetuin A; Alpha-2-Z-Globulin; Ba-alpha-2-Glycoprotein

  • α2-HS糖蛋白(AHSG)檢測試劑盒(酶聯(lián)免疫吸附試驗法)產(chǎn)品包裝(模擬)
  • α2-HS糖蛋白(AHSG)檢測試劑盒(酶聯(lián)免疫吸附試驗法)產(chǎn)品包裝(模擬)
  • α2-HS糖蛋白(AHSG)檢測試劑盒(酶聯(lián)免疫吸附試驗法)實驗結(jié)果圖
  • SEA178Bo.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α2-HS糖蛋白(AHSG),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。

回收率

分別于定值血清及血漿樣本中加入一定量的α2-HS糖蛋白(AHSG)(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)90-10498
EDTA plasma(n=5)78-9882
heparin plasma(n=5)99-105102

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%

線性

在定值血清及血漿樣本內(nèi)加入適量的α2-HS糖蛋白(AHSG),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α2-HS糖蛋白(AHSG)含量的測定值與理論值的比率。

樣本1:21:41:81:16
serum(n=5)85-102%78-94%92-101%88-102%
EDTA plasma(n=5)91-105%85-99%78-105%97-105%
heparin plasma(n=5)81-93%81-101%93-101%98-105%

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α2-HS糖蛋白(AHSG)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α2-HS糖蛋白(AHSG)與連接于固相載體上的抗體結(jié)合,然后加入生物素化的α2-HS糖蛋白(AHSG)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α2-HS糖蛋白(AHSG)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。

相關(guān)產(chǎn)品

編號適用物種:Bos taurus; Bovine (Cattle,牛)應用(僅供研究使用,不用于臨床診斷!)
RPA178Bo01α2-HS糖蛋白(AHSG)重組蛋白Positive Control; Immunogen; SDS-PAGE; WB.
PAA178Bo01α2-HS糖蛋白(AHSG)多克隆抗體WB; IHC; ICC; IP.
MAA178Bo21α2-HS糖蛋白(AHSG)單克隆抗體WB; IHC; ICC; IP.
SEA178Boα2-HS糖蛋白(AHSG)檢測試劑盒(酶聯(lián)免疫吸附試驗法)Enzyme-linked immunosorbent assay for Antigen Detection.
LMA178Boα2-HS糖蛋白(AHSG)等多因子檢測試劑盒(流式熒光發(fā)光法)FLIA Kit for Antigen Detection.
KSA178Bo01α2-HS糖蛋白(AHSG)檢測試劑盒DIY材料(酶聯(lián)免疫吸附試驗法)自己動手制作ELISA試劑盒的主要材料
PGA178Bo01α2-HS糖蛋白(AHSG)引物對PCR
CGA178Bo01α2-HS糖蛋白(AHSG)cDNAPCR、蛋白表達等

參考文獻

雜志參考文獻
Journal of ProteomicsProteomic analysis reveals oxidative stress response as the main adaptative physiological mechanism in cows under different production systems[ScienceDirect: S1874391912002084]
Journal of Physiology and Biochemistry Curcumin prevents liver fat accumulation and serum fetuin-A increase in rats fed a high-fat diet[PubMed: 23430567]
BioMed Research InternationalSerum Fetuin-A Levels Related with Microalbuminuria in Diet-Induced Obese Rats[PubMed: PMC3591142]
Osteoporosis InternationalEstrogen increases the transcription of human α2-Heremans-Schmid-glycoprotein by an interplay of estrogen receptor α and activator protein-1.[Pubmed: 24504099]
BMC Pharmacology and ToxicologyA novel 11β-hydroxysteroid dehydrogenase type1 inhibitor CNX-010-49 improves hyperglycemia, lipid profile and reduces body weight in diet induced obese C57B6/J mice with a potential to provide cardio protective benefits[Pubmed:25098735]
Acta Dermatovenerologica CroaticaRelationship Between Serum Fetuin-A Levels and Carotid Intima-media Thickness in Turkish Patients with Mild to Moderate Psoriasis. A Case-control Study[PubMed: 26476900]
Mol Cell EndocrinolFetuin A promotes lipotoxicity in β cells through the TLR4 signaling pathway and the role of pioglitazone in anti-lipotoxicity.[PubMed: 25986658]
Ann DermatolEvaluation of Arterial Stiffness in Patients with Beh[PubMed: 26719639]
EndocrineVisceral and subcutaneous adipose tissue express and secrete functional alpha2hsglycoprotein (fetuin a) especially in obesity[pubmed:27738888]
Diabetes CareTargeted Microbiome Intervention by Microencapsulated Delayed-Release Niacin Beneficially Affects Insulin Sensitivity in Humans[pubmed:29212824]
JOURNAL OF?ALZHEIMERS?DISEASEAcute Anti-Inflammatory Markers ITIH4 and AHSG in Mice Brain of a Novel Alzheimer's Disease Model[Pubmed: 30958362]
Journal of Alzheimer's DiseaseA New Serum Biomarker Set to Detect Mild Cognitive Impairment and Alzheimer's Disease by Peptidome Technology[Pubmed: 31771070]
Sci RepIleal transposition helps to regulate plasma hepatokine levels in obese Zucker (Crl: ZUC (ORL)-Lepr fa) rats[33833309]
J Obstet Gynaecol ResPred?ct?ve value of pregnancy of foll?cular flu?d fetu?n‐A and‐B levels ?n infert?le women after intra‐cytoplasmic sperm injection[34708901]