GnRH(Gonadotropin Releasing Hormone) ELISA Kit
促性腺激素释放激素(GnRH)酶联免疫吸附测定试剂盒
| 规格： | / 96T / 48T / 96T*5 |
| 价格： | / ￥2600 / ￥1800 / ￥11050 |
货号：E-EL-0071
反应性: 通用
检测范围: 15.63~1000 pg/mL
灵敏度: 9.38 pg/mL
用途
该试剂盒用于体外定量检测血清、血浆或其他相关生物液体中GnRH浓度。
检测原理
本试剂盒采用竞争ELISA法。用GnRH抗原包被于酶标板上，实验时样品或标准品中的GnRH与包被的GnRH竞争生物素标记的抗GnRH单抗上的结合位点，游离的成分被洗去。加入辣根过氧化物酶标记的亲和素，生物素与亲和素特异性结合而形成免疫复合物，游离的成分被洗去。加入显色底物(TMB)，TMB在辣根过氧化物酶的催化下呈现蓝色，加终止液后变成黄色。用酶标仪在450nm波长处测OD值，GnRH浓度与OD450值之间呈反比，通过绘制标准曲线计算出样品中GnRH的浓度。
| 反应类型 | 竞争法 |
| 规格 | 96T |
| 反应时间 | 2.0h |
| 反应性 | 通用 |
| 检测方法 | Colormetric |
| 检测范围 | 15.63-1000 pg/mL |
| 灵敏度 | 9.38 pg/mL |
| 样本体积 | 50μL |
| 样本类型 | 血清、血浆或其他相关生物液体 |
特异性
可检测样本中的GnRH，且与其它相关蛋白无明显交叉反应。
重复性
板内，板间变异系数均<10%。
典型数据
由于实验操作条件的不同（如操作者、移液技术、洗板技术和稳定条件等），标准曲线的OD值会有所差异。以下数据和曲线仅供参考，实验者需根据自己的实验建立标准曲线。
| (pg/mL) | O.D | Average |
|---|---|---|
| 1000 | 0.312 0.318 |
0.315 |
| 500 | 0.402 0.422 |
0.412 |
| 250 | 0.594 0.58 |
0.587 |
| 125 | 0.851 0.869 |
0.86 |
| 62.5 | 1.212 1.206 |
1.209 |
| 31.25 | 1.561 1.551 |
1.556 |
| 15.63 | 1.818 1.832 |
1.825 |
| 0 | 2.188 2.19 |
2.189 |
精密度
板内精密度:低浓度样本,中浓度样本和高浓度样本分别在1块板子上检测20次。
板间精密度:低浓度样本,中浓度样本和高浓度样本分别在3块板子上检测20次。
| Intra-assay Precision | Inter-assay Precision | |||||
|---|---|---|---|---|---|---|
| Sample | 1 | 2 | 3 | 1 | 2 | 3 |
| n | 20 | 20 | 20 | 20 | 20 | 20 |
| Mean (pg/mL) |
281.20 | 937.80 | 2978.30 | 281.90 | 856.30 | 3080.80 |
| Standard
deviation |
14.60 | 48.80 | 131.00 | 18.00 | 41.10 | 114.00 |
| C V (%) | 5.19 | 5.20 | 4.40 | 6.39 | 4.80 | 3.70 |
回收率
分别往5个不同样本中添加已知浓度的目标蛋白，做回收实验，得出回收率范围和平均回收率。
| Sample Type | Range (%) | Average Recovery (%) |
|---|---|---|
| Serum (n=5) | 93-111 | 101 |
| EDTA plasma (n=5) | 88-100 | 95 |
| Cell culture media (n=5) | 87-97 | 92 |
线性
分别往5个样本中添加已知浓度的目标蛋白，做回收实验，得出回收率范围及平均回收率。将5个样本分别稀释2倍，4倍，8倍，16倍做回收实验，得出回收率范围及平均回收率。
| Serum (n=5) | EDTA plasma (n=5) | Cell culture media (n=5) | ||
|---|---|---|---|---|
| 1:2 | Range (%) | 92-106 | 90-105 | |
| Average (%) | 92 | 98 | 97 | |
| 1:4 | Range (%) | 93-106 | 92-109 | 91-102 |
| Average (%) | 100 | 100 | 97 | |
| 1:8 | Range (%) | 93-108 | 90-101 | 90-105 |
| Average (%) | 101 | 95 | 97 | |
| 1:16 | Range (%) | 99-117 | 91-107 | 88-101 |
| Average (%) | 107 | 97 | 94 | |
试剂盒组成及保存
未拆封的试剂盒可在4℃保存一周；如果一周以后才使用试剂盒，请拆开试剂盒按照下表中的条件分别保存各组分。
| 中文名称 | 英文名称 | 规格 | 保存条件 |
|---|---|---|---|
| ELISA酶标板(可拆卸) | Micro ELISA Plate(Dismountable) | 8 孔×12 条 | -20℃，可存放6个月 |
| 冻干标准品 | Reference Standard | 2支 | |
| 浓缩生物素化抗体(100×) | Concentrated Biotinylated Detection Ab | 1支 120 μL | |
| 浓缩HRP酶结合物(100×) | Concentrated HRP Conjugate | 1支 120 μL | -20℃(避光)，可存放6个月 |
| 标准品&样品稀释液 | Reference Standard & Sample Diluent | 1瓶 20 mL | 4℃.可存放6个月 |
| 生物素化抗体稀释液 | Biotinylated Detection Ab Diluent | 1瓶 14 mL | |
| 酶结合物稀释液 | HRP Conjugate Diluent | 1瓶 14 mL | |
| 浓缩洗涤液(25×) | Concentrated Wash Buffer (25×) | 1瓶 30 mL | |
| 底物溶液(TMB) | Substrate Reagent | 1瓶 10 mL | 4℃(避光) |
| 反应终止液 | Stop Solution | 1瓶 10 mL | 4℃ |
| 封板覆膜 | Plate Sealer | 5 张 | |
| 产品说明书 | Product Description | 1 份 | |
| 质检报告 | Certificate of Analysis | 1 份 |
说明：所有试剂瓶盖须旋紧以防止蒸发和微生物的污染。
试剂体积以实际发货版说明书为准。相关试剂在分装时会比标签上标明的体积稍多一些，请在使用时量取而非直接倒出。
试验所需自备物品
- 1.酶标仪(450nm波长滤光片)
- 2.高精度移液器，EP管及一次性吸头：0.5-10 μL, 2-20 μL, 20-200 μL, 200-1000 μL
- 3.37℃恒温箱，双蒸水或去离子水
- 4.吸水纸
操作步骤
|
|
1. 对应板孔中加入50μL标准品工作液或样本后，立即每孔加入50μL生物素化抗体工作液，37℃孵育90分钟 |
| 2. 弃掉板内液体，洗板3次 | |
| 3. 每孔加入100μL HRP酶结合物工作液，37℃孵育30分钟，弃掉板内液体，洗板5次 | |
| 4. 每孔加入90μL底物溶液，37℃孵育15分钟 | |
| 5. 每孔加入50μL终止液 | |
| 6. 立即在450nm波长下读数，处理数据 |
客户发表文献
- 文献: The epigenetic role of HTR1A antagonist in facilitating GnRH expression for pubertal initiation control
样品类型: GT1-7 cells - 文献: Effects of acute exposure to microcystins on hypothalamic-pituitary-adrenal (HPA), -gonad (HPG) and -thyroid (HPT) axes of female rats
样品类型: Serum - 文献: Microcystin-leucine arginine induced the apoptosis of GnRH neurons by activating the endoplasmic reticulum stress resulting in a decrease of serum testosterone level in mice
样品类型: Serum - 文献: In utero exposure to DBP stimulates release of GnRH by increasing the secretion of PGE2 in the astrocytes of the hypothalamus in the offspring mice
样品类型: Cell culture supernatant - 文献: Pseudoephedrine Nanoparticles Alleviate Adriamycin-Induced Reproductive Toxicity Through the GnRhR Signaling Pathway
样品类型: serum - 文献: Ephedra herb reduces adriamycin-induced testicular toxicity by upregulating the gonadotropin-releasing hormone signalling pathway
样品类型: serum - 文献: Activation of MT1/MT2 to Protect Testes and Leydig Cells against Cisplatin-Induced Oxidative Stress through the SIRT1/Nrf2 Signaling Pathway
样品类型: serum - 文献: Perfluorooctanoic acid exposure impact a trade-off between self-maintenance and reproduction in lizards (Eremias argus) in a gender-dependent manner
样品类型: Tissue homogenate - 文献: Studies on testicular ultrastructural and hormonal changes in type-2 diabetic rats treated with highly active antiretroviral therapy conjugated silver nanoparticles
样品类型: serum - 文献: Evaluation of maternal high-fat diet and Quercetin-3-O-rutinoside treatment on the reproductive profile of diet naïve male offspring
样品类型: Tissue homogenate - 文献: T-2 toxin impairs male fertility by disrupting hypothalamic-pituitary-testis axis and declining testicular function in mice
样品类型: Serum - 文献: Accumulation and toxicity of thiamethoxam and its metabolite clothianidin to the gonads of Eremias argus
样品类型: Plasma - 文献: Enrichment of imidacloprid and its metabolites in lizards and its toxic effects on gonads
样品类型: Plasma - 文献: Environmentally relevant perinatal exposure to DBP disturbs testicular development and puberty onset in male mice
样品类型: Serum - 文献: Effects of prenatal chlorocholine chloride exposure on pubertal development and reproduction of male offspring in rats
样品类型: serum - 文献: Intracerebroventricular injection of histamine induces the hypothalamic-pituitary-gonadal axis activation in male rats
样品类型: plasma - 文献: Repression of HDAC5 by acetate restores hypothalamic-pituitary-ovarian function in type 2 diabetes mellitus
样品类型: plasma - 文献: Exogenous Melatonin Regulates Puberty and the Hypothalamic GnRH-GnIH System in Female Mice
样品类型: serum - 文献: Effects of chlorocholine chloride on pubertal development and reproductive functions in male rats
样品类型: Serum - 文献: Cadmium exposure during prenatal development causes testosterone disruption in multigeneration via SF-1 signaling in rats
样品类型: Serum - 文献: Cannabinoid-deficient Benin republic hemp ( Cannabis sativa L.) improves semen parameters by reducing prolactin and enhancing anti-oxidant status
样品类型: plasma - 文献: Season influence on serum kisspeptin level and its association with hormonal levels and semen kinematics of buffalo bulls (Bubalus bubalis)
样品类型: serum - 文献: Brain thromboxane A2 via arachidonic acid cascade induces the hypothalamic–pituitary–gonadal axis activation in rats
样品类型: Plasma
