肌肉生長抑制素(MSTN)檢測試劑盒(化學(xué)發(fā)光免疫分析法)
CLIA Kit for Myostatin (MSTN)
GDF8; Growth Differentiation Factor 8
- 編號SCB653Ra
- 物種Rattus norvegicus (Rat,大鼠) 相同的名稱,不同的物種。
- 實驗方法雙抗夾心
- 反應(yīng)時長2h, 40min
- 檢測范圍54.9-40,000pg/mL
- 靈敏度最小可檢測劑量小于等于18.7pg/mL.
- 樣本類型serum, plasma, tissue homogenates and other biological fluids
- 下載 英文說明書 中文說明書
- 規(guī)格 48T96T 96T*5 96T*10 96T*100
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特異性
本試劑盒用于檢測肌肉生長抑制素(MSTN),經(jīng)檢測與其它相似物質(zhì)無明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來源的限制,不可能完成對所有相關(guān)或相似物質(zhì)交叉反應(yīng)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(yīng)。
回收率
分別于定值血清及血漿樣本中加入一定量的肌肉生長抑制素(MSTN)(加標(biāo)樣品),重復(fù)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) | 80-96 | 93 |
EDTA plasma(n=5) | 79-102 | 85 |
heparin plasma(n=5) | 80-103 | 94 |
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(fù)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)加入適量的肌肉生長抑制素(MSTN),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肌肉生長抑制素(MSTN)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) | 85-101% | 79-89% | 91-99% | 90-98% |
EDTA plasma(n=5) | 86-95% | 83-94% | 82-103% | 93-101% |
heparin plasma(n=5) | 90-97% | 93-101% | 92-102% | 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(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;
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. 加底物100µL,37°C孵育10分鐘;
8. 讀數(shù)。
實驗原理
將肌肉生長抑制素(MSTN)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,其中的肌肉生長抑制素(MSTN)與連接于固相載體上的抗體結(jié)合,然后加入生物素化的肌肉生長抑制素(MSTN)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底物。加入底物后會產(chǎn)生輝光型光信號。發(fā)射光強度和樣品中的肌肉生長抑制素(MSTN)呈正相關(guān)。用化學(xué)發(fā)光儀測定相對光單位(RLU),計算樣品濃度。
增值服務(wù)
相關(guān)產(chǎn)品
編號 | 適用物種:Rattus norvegicus (Rat,大鼠) | 應(yīng)用(僅供研究使用,不用于臨床診斷!) |
RPB653Ra01 | 肌肉生長抑制素(MSTN)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
APB653Ra01 | 肌肉生長抑制素(MSTN)活性蛋白 | Cell?culture;?Activity?Assays. |
CPB653Ra21 | 肌肉生長抑制素(MSTN)卵白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
PAB653Ra08 | 肌肉生長抑制素(MSTN)多克隆抗體 | WB; IHC; ICC; IP. |
PAB653Ra01 | 肌肉生長抑制素(MSTN)多克隆抗體 | WB,IHC |
LAB653Ra71 | 肌肉生長抑制素(MSTN)多克隆抗體(生物素標(biāo)記) | WB; IHC; ICC. |
MAB653Ra21 | 肌肉生長抑制素(MSTN)單克隆抗體 | WB; IHC; ICC; IP. |
SEB653Ra | 肌肉生長抑制素(MSTN)檢測試劑盒(酶聯(lián)免疫吸附試驗法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
CEB653Ra | 肌肉生長抑制素(MSTN)檢測試劑盒(酶聯(lián)免疫吸附試驗法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
SCB653Ra | 肌肉生長抑制素(MSTN)檢測試劑盒(化學(xué)發(fā)光免疫分析法) | Chemiluminescent immunoassay for Antigen Detection. |
LMB653Ra | 肌肉生長抑制素(MSTN)等多因子檢測試劑盒(流式熒光發(fā)光法) | FLIA Kit for Antigen Detection. |
KSB653Ra11 | 肌肉生長抑制素(MSTN)檢測試劑盒DIY材料(酶聯(lián)免疫吸附試驗法) | Main materials for "Do It (ELISA Kit) Yourself". |
參考文獻
雜志 | 參考文獻 |
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PLoS One | Higher Plasma Myostatin Levels in Cor Pulmonale Secondary to Chronic Obstructive Pulmonary Disease [Pubmed:26998756] |
Calcif Tissue Int. | The Effect of Vibration Treatments Combined with Teriparatide or Strontium Ranelate on Bone Healing and Muscle in Ovariectomized Rats [Pubmed:27272029] |
Archives of medical research | Irisin and Myostatin Levels in Patients with Graves' Disease. [pubmed:27986127] |
Calcified Tissue International | Effect of?Strontium Ranelate on?the?Muscle and?Vertebrae of?Ovariectomized Rats [pubmed:29242963] |
Scientific Reports | Compensatory anabolic signaling in the sarcopenia of experimental chronic arthritis. [pubmed:28740214] |
Journal of?Animal?Science | Fermented corn-soybean meal elevated IGF1 levels in grower-finisher pigs [Pubmed: 30203098] |
European Journal of Internal Medicine | Predictive value of serum myostatin for the severity and clinical outcome of heart failure [Pubmed: 31056368] |
J Cell Physiol | Resistance training‐induced muscle hypertrophy is mediated by TGF‐β1‐Smad signaling pathway in male Wistar rats [Pubmed: 31960436] |
NEPHROLOGY DIALYSIS TRANSPLANTATION | Myostatin and muscle atrophy during chronic kidney disease [Pubmed: 32974666] |
Oxid Med Cell Longev | Gender-Specific Behaviour in Obesity Stages I-II: Imbalance of Aminothiol Status and Adipomyokine Profile in Subjects with Different Insulin Resistance?… [34868459] |