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中文名称:人基质金属蛋白酶抑制因子2(TIMP-2)酶联免疫试剂盒
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货号:CSB-E04733h
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规格:96T/48T
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价格:¥3200/¥2500
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其他:
产品详情
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产品描述:CUSABIO人基质金属蛋白酶抑制因子2(TIMP-2)酶联免疫检测试剂盒(货号:CSB-E04733h),基于双抗体夹心法定量检测血清、血浆或组织匀浆样本中的TIMP-2蛋白。TIMP-2作为基质金属蛋白酶(MMPs)的特异性抑制因子,通过调控细胞外基质降解参与组织修复、纤维化及肿瘤转移等病理生理过程,是研究组织重塑与疾病进展的重要分子靶标。试剂盒检测灵敏度为78 pg/mL,线性检测范围为78-5000 pg/mL,可精准覆盖生理及病理状态下样本中TIMP-2的浓度变化。实验操作采用预包被特异性抗体的96孔板,通过标准品梯度稀释建立定量曲线,支持科研人员开展组织微环境分析、疾病模型机制研究或药物干预效果评估,适用于心血管疾病、肿瘤生物学、肝肺纤维化等领域的体外实验需求。试剂盒配套提供标准品、检测抗体及显色系统,已完成批间稳定性验证,确保实验结果的重复性与可靠性。
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别名:CSC 21K ELISA Kit; CSC-21K ELISA Kit; CSC21K ELISA Kit; Metalloproteinase inhibitor 2 ELISA Kit; Metalloproteinase inhibitor 2 precursor ELISA Kit; TIMP 2 ELISA Kit; TIMP metallopeptidase inhibitor 2 ELISA Kit; TIMP-2 ELISA Kit; TIMP2 ELISA Kit; TIMP2_HUMAN ELISA Kit; Tissue Inhibitor of Metalloproteinase 2 ELISA Kit; Tissue inhibitor of metalloproteinases 2 ELISA Kit
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缩写:TIMP2
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Uniprot No.:
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种属:Homo sapiens (Human)
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样本类型:serum, plasma, tissue homogenates
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检测范围:78 pg/mL-5000 pg/mL
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灵敏度:19.5 pg/mL
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反应时间:1-5h
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样本体积:50-100ul
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检测波长:450 nm
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研究领域:Cancer
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测定原理:quantitative
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测定方法:Sandwich
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精密度:
Intra-assay Precision (Precision within an assay): CV%<8%
Three samples of known concentration were tested twenty times on one plate to assess.
Inter-assay Precision (Precision between assays): CV%<10%
Three samples of known concentration were tested in twenty assays to assess.
Intra-Assay Precision
Inter-Assay Precision
Sample
1
2
3
1
2
3
n
20
20
20
20
20
20
Mean(pg/ml)
627.044
626.079
625.114
625.693
622.218
625.693
SD
0.031
0.035
0.029
0.041
0.047
0.044
CV(%)
4.247
4.801
3.984
5.627
6.483
6.039
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线性度:
To assess the linearity of the assay, samples were spiked with high concentrations of human TIMP-2 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
Sample
Serum(n=4)
1:20
Average %
95
Range %
90-102
1:40
Average %
93
Range %
89-99
1:80
Average %
87
Range %
82-99
1:160
Average %
92
Range %
85-97
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回收率:
The recovery of human TIMP-2 spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.
Sample Type
Average % Recovery
Range%
Serum (n=5)
94
90-98
EDTA plasma (n=4)
98
94-103
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标准曲线:
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
pg/ml
OD1
OD2
Average
Corrected
5000
2.812
2.755
2.784
2.627
2500
2.212
2.125
2.169
2.012
1250
1.384
1.307
1.346
1.189
625
0.733
0.789
0.761
0.604
312
0.384
0.365
0.375
0.218
156
0.298
0.277
0.288
0.131
78
0.236
0.226
0.231
0.074
0
0.158
0.156
0.157
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数据处理:
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货期:3-5 working days
引用文献
- Insights into ascending aortic aneurysm: Interactions between biomechanical properties of the aortic wall and tissue biomarkers SI Sazonova,/,2023
- Ex Vivo Analysis of an Association of Mechanical Strength of Dilated Ascending Aorta with Tissue Matrix Metalloproteinases and Cytokines SI Sazonova,Bulletin of experimental biology and medicine,2023
- Plasma levels and diagnostic utility of MMP-2 and TIMP-2 in the diagnosis of Iraqi women with breast tumor: A comparative study with Ca 15-3 Aseel N. Kami,AIP Conference Proceedings,2021
- The negative feedback loop of NF-κB/miR-376b/NFKBIZ in septic acute kidney injury Z Liu,JCI insight,2020
- Long noncoding RNA lnc┸\DC in dendritic cells regulates trophoblast invasion via p┸\STAT3 mediated TIMP/MMP expression Z Wen,Am. J. Reprod. Immunol,2020
- Effects of 1,25-Dihydroxy vitamin D3 on TNF-α induced inflammation in human chondrocytes and SW1353 cells: a possible role for toll-like receptors Avcioglu G, et al,Molecular and Cellular Biochemistry,2019
- New application of an old drug: Antitumor activity and mechanisms of doxycycline in small cell lung cancer. Wang SQ. et al,Int J Oncol.,2016
相关产品
靶点详情
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最新研究进展:TIMP2也是调节基质金属蛋白酶活性的重要分子,其异常表达与多种疾病的发生和发展有关。研究表明,TIMP2可以通过多种机制调节细胞增殖和凋亡,并参与心血管疾病、肿瘤和神经系统疾病等疾病的发生和发展。近期的研究表明,TIMP2可能还参与着免疫系统和代谢紊乱等方面。
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功能:Complexes with metalloproteinases (such as collagenases) and irreversibly inactivates them by binding to their catalytic zinc cofactor. Known to act on MMP-1, MMP-2, MMP-3, MMP-7, MMP-8, MMP-9, MMP-10, MMP-13, MMP-14, MMP-15, MMP-16 and MMP-19.
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基因功能参考文献:
- TIMP-2 may be considered as a potential non-invasive marker for the diagnosis of liver fibrosis in patients with NAFLD. PMID: 30284418
- UV-induced expression of DNMT1 may be responsible for mediating DNA hypermethylation in TIMP2, and thus, silencing its expression, in UV-exposed human skin. PMID: 29685765
- Overexpression of TIMP2 inhibited cell viability, migration and EMT process. PMID: 29432996
- TIMP2 was confirmed to be a direct downstream target of miR616. Inhibition of TIMP2 expression was required for the promoting effects of miR616 on the metastasis and EMT of ovarian cancer cells. PMID: 29658596
- TIMP2 promotes tumor progression and miR2055p directly regulates TIMP2, thereby suppressing proMMP2 activation and inhibiting oral squamous cell carcinoma cell invasiveness. PMID: 29393341
- Urine levels of TIMP2 (and IGFBP7) are predictive of acute kidney injury following cardiac surgical procedures. PMID: 28803769
- MMP-9 and TIMP-2 genes are upregulated in cancerous tissues when compared to normal bladder tissues. PMID: 28980922
- Overexpression of MMP2 and MMP16 in endometrial cancerous tissues corresponded to down-regulation of miR-377, miR-382 and miR-410, while decreased expression of TIMP2 was associated with miR-200b up-regulation. PMID: 28871006
- MiR-106a was inversely correlated with TIMP2. PMID: 28731196
- In squamous cell carcinoma of the cervix (SCCC), higher levels of MMP-14 expression were established in tumor cells, as evidenced by IHC (+3) and RT-PCR.Furin activity in the tumor was much higher than that in normal tissues. The expression of TIMP-2 mRNA was sufficiently obvious in both the tumor and normal tissues to the bottom of the uterine cavity. PMID: 29265076
- methylation differences within the TIMP2 gene promoter are not related to patellar tendinopathy PMID: 28888475
- This study provides evidence that TIMP-2 is a knee OA susceptibility gene in the Chinese population and a potential diagnostic and preventive marker for the disease. PMID: 27901480
- Tissue inhibitor of metallopeptidases 2 (TIMP2) protein and mRNA levels were downregulated after miR-15b overexpression in A549 and LTEP-a-2 cells, respectively. Our results indicate that high expression of miR-15b is associated with non-small cell lung cancer (NSCLC)and suggest that miR-15b expression may be a novel biomarker for predicting clinical outcomes in NSCLC patients PMID: 28498424
- study results suggest an association between matrix metalloproteinase 2, matrix metalloproteinase 9 and tissue inhibitor of metalloproteinase 2 single nucleotide polymorphisms with sperm parameters, but not infertility PMID: 27401679
- Long noncoding RNA DANCR promotes prostate cancer invasion and metastasis through repressing the expression of TIMP2/3 PMID: 27191265
- MMP2-1306C/T and TIMP2-418 G/C gene variants as risk factors for patients with relapsing remitting multiple sclerosis, was studied. PMID: 27174941
- biomarker for acute kidney injury PMID: 27174659
- epithelial cells and leukocytes from the urinary sediment. CONCLUSION: The gene expression pattern of IGFBP7 and TIMP-2 from urinary sediment, which contains desquamated renal tubular epithelial cells, did not correlate with [IGFBP7]x[TIMP-2] protein, indicating that IGFBP7 and TIMP-2 measured in the NephroCheck(R) test originated predominantly from intact but stressed cells of the kidney itself PMID: 29145491
- This study demonstrated that TIMP2 higher expression in glioblastoma PMID: 27633774
- Data show that tissue inhibitor of metalloproteinase 2 (TIMP2) is a direct target of miR-492 that modulates cervical cancer cell invasion. PMID: 28802022
- A higher risk of incidence or recurrent depressive disorder(OR=9.376) was confirmed in the case of a set of T/T-G/C genotypes of the MMP-9T-1702A and TIMP-2G-418C polymorphisms PMID: 27434116
- High TIMP2 expression is associated with acute kidney injury. PMID: 27342580
- expression of TIMP2 was inversely associated with miR-106a in nodule tissues. Apoptotic body was also seen under electron microscope accompanied by silencing of miR-106a. Together, this data indicated that miR-106a may act as an oncogene and contribute to gastric cancer development. PMID: 27142596
- Urine [TIMP-2]*[IGFBP7] is a promising candidate for early detection of AKI, especially in ruling-out AKI PMID: 28107490
- We conclude that in the resected esophageal cancer an increased mRNA expression of MMP-7, MMP-10 and TIMP-1 correlated with clinicopathologic features. We suggest that these genes may play a role during progression of the disease. MMP-10, MMP-7, TIMP-1, TIMP-2 were overexpressed in 73%, 85%, 55% and 42% of esophageal cancer samples, respectively. PMID: 28510611
- At hospital admission, all viral gastroenteritis (GE) patients viral gastroenteritis (GE) patients demonstrated increased MMP-9 and decreased MMP-2 and TIMP-2 serum levels; kinetics of serum MMP-2, MMP-9, and TIMP-2 levels were similar among the viral GE patients but distinct from bacterial enteritis patients; involvement of MMPs and TIMPs in the pathophysiology of gastrointestinal symptoms likely varies depending on the PMID: 26765397
- Meta-analysis indicated that urinary [TIMP-2].[IGFBP7] may be a reliable biomarker for the early detection of acute kidney injury in adults. PMID: 28682920
- Results show that resistant hypertension was associated with higher TIMP-2 levels and low MMP-2/TIMP-2 ratio, suggesting that these regulators of ECM remodeling play a key role in blood pressure control in this high-risk subset of hypertensive individuals. PMID: 27412873
- important regulator of extracellular matrix degradation and hepatocellular carcinoma metastasis PMID: 27018975
- TIMP-2 is both expressed and secreted preferentially by cells of distal tubule origin, while IGFBP7 is equally expressed across tubule cell types yet preferentially secreted by cells of proximal tubule origin. In human kidney tissue, strong staining of IGFBP7 was seen in the luminal brush-border region of a subset of proximal tubule cells, and TIMP-2 stained intracellularly in distal tubules. PMID: 28003188
- Myopia development in mammals is associated with reduced expression of TIMP-2, which contributes to increased degradative activity in the sclera. PMID: 28384717
- our results revealed miR-483-5p directly targeted to the cartilage matrix protein matrilin 3 (Matn3) and tissue inhibitor of metalloproteinase 2 (Timp2) to stimulate chondrocyte hypertrophy, extracellular matrix degradation, and cartilage angiogenesis, and it consequently initiated and accelerated the development of OA. PMID: 28139355
- Stromal TIMP-2 expression reflected its role in regulating tumor progression in ameloblastoma and in regulating developmental processes in tooth germs by their inhibitory effect on MMP-9 PMID: 26067137
- No significant differences were found between MMP-7 A-181G, C-115T, and TIMP-2 G-418C polymorphism and coronary artery disease and myocardial infarction in a Turkish population. PMID: 28137415
- High TIMP2 expression is associated with chronic myelogenous leukemia. PMID: 28035415
- MMP-2 and TIMP-2 were secreted by both tumor cells and stromal cells. PMID: 27853937
- that miR-22 acts to regulate invasion of 1321N1 astrocytoma cells by targeting TIMP2 expression PMID: 27834627
- Results show decreased expression of MMP-2, MMP-9 and TIMP-2 genes on both mRNA and protein levels in depression; there elevated expression positively affects cognitive efficiency. PMID: 26856768
- TIMP- 2 expression decreased in cervical disc herniation patients. PMID: 27173256
- Changes in MMPs and TIMP expression may be a common element in, or perhaps even a marker for, recurrent depressive disorders and somatic diseases. PMID: 27098106
- quantitative urine test is available to assess the risk of developing AKI by measuring the concentrations of two protein biomarkers, TIMP-2 and IGFBP-7 PMID: 26797672
- miR-22 significantly upregulated the invasion capacity of 1321N1 cells. In silico analysis predicted that TIMP2 is a target gene of miR-22 which was confirmed by qPCR and Western blotting. Luciferase reporter assays demonstrated that miR-22 directly bound the 3'-untranslated regions of TIMP2. These data suggest that miR-22 acts to regulate invasion of 1321N1 astrocytoma cells by targeting TIMP2 expression. PMID: 27834627
- Pathogenesis and progression of nasal polyps is closely related with elevated MMP-9 and suppressed TIMP-2 expression PMID: 26823777
- our results demonstrate that TIMP-2 stimulates lung adenocarcinoma cell proliferation PMID: 26556867
- new evidence that promoter polymorphisms in TIMP2 are functional and may affect gene transcription with possible effects on craniofacial development leading to NSCL/P. PMID: 24799419
- This study shows that urinary [TIMP-2]*[IGFBP7] has a good diagnostic performance in predicting adverse outcomes in neonatal and pediatric AKI of heterogeneous etiology. PMID: 26606754
- showed a significant association between the variants of MMP-2 and TIMP-2 promoters and spontaneous intracerebral hemorrhage PMID: 26551785
- TIMP2 is elevated in patients with non-alcoholic fatty liver disease. PMID: 26329758
- TIMP-2 interaction with MT1-MMP provides tumor cells with either pro- or anti-apoptotic signaling depending on the extracellular environment and apoptotic stimulus. PMID: 26331622
- MiR-761 directly targeted ING4 and TIMP2. PMID: 26278569
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亚细胞定位:Secreted.
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蛋白家族:Protease inhibitor I35 (TIMP) family
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数据库链接:
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