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中文名稱(chēng)：人SSTR2重組蛋白
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貨號(hào)：CSB-MP022725HU
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說(shuō)明書(shū)：
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規(guī)格：￥5000
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圖片：
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CSB-MP022725HU is detected by Mouse anti-6*His monoclonal antibody. -
Activity
Measured by its binding ability in a functional ELISA. Immobilized Human SSTR2 at 10 μg/ml can bind Anti-SSTR2 recombinant antibody (CSB-RA022725MA01HU), the EC50 is 58.13-81.28 ng/mL. Biological Activity Assay -
The presence of VLP-like structures was confirmed by TEM -
Blocking experiment on Anti-SSTR2 antibody (CSB-RA022725MA01HU) between Human SSTR2-VLPs protein and CT26/Human SSTR2 Stable Cells (CSB-SC022725HU) by Flow cytometry. Biological Activity Assay
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其他：
產(chǎn)品詳情
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內(nèi)毒素：Less than 1.0 EU/ug as determined by LAL method.
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生物活性：①M(fèi)easured by its binding ability in a functional ELISA. Immobilized Human SSTR2 at 10 μg/mL can bind Anti-SSTR2 recombinant antibody (CSB-RA022725MA01HU), the EC50 is 58.13-81.28 ng/mL.②Blocking experiment on Anti-SSTR2 antibody (CSB-RA022725MA01HU) between Human SSTR2-VLPs protein?and CT26/Human SSTR2 Stable Cells (CSB-SC022725HU) by Flow cytometry.
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基因名：
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Uniprot No.：
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別名：(SS-2-R)(SS2-R)(SS2R)(SRIF-1)
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分子結(jié)構(gòu)：
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種屬：Homo sapiens (Human)
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蛋白長(zhǎng)度：Full Length
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來(lái)源：Mammalian cell
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分子量：42.5 kDa
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表達(dá)區(qū)域：1-369aa
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氨基酸序列MDMADEPLNGSHTWLSIPFDLNGSVVSTNTSNQTEPYYDLTSNAVLTFIYFVVCIIGLCGNTLVIYVILRYAKMKTITNIYILNLAIADELFMLGLPFLAMQVALVHWPFGKAICRVVMTVDGINQFTSIFCLTVMSIDRYLAVVHPIKSAKWRRPRTAKMITMAVWGVSLLVILPIMIYAGLRSNQWGRSSCTINWPGESGAWYTGFIIYTFILGFLVPLTIICLCYLFIIIKVKSSGIRVGSSKRKKSEKKVTRMVSIVVAVFIFCWLPFYIFNVSSVSMAISPTPALKGMFDFVVVLTYANSCANPILYAFLSDNFKKSFQNVLCLVKVSGTDDGERSDSKQDKSRLNETTETQRTLLNGDLQTSI
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蛋白標(biāo)簽：C-terminal 6xHis-tagged (This tag can be tested only under denaturing conditions)
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產(chǎn)品提供形式：Lyophilized powder Warning: in_array() expects parameter 2 to be array, null given in /www/web/cusabio_cn/public_html/caches/caches_template/default/content/show_product_protein.php on line 662
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand. -
緩沖液：Lyophilized from a 0.2 μm filtered PBS, 6% Trehalose, pH 7.4
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復(fù)溶：We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
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儲(chǔ)存條件：Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
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保質(zhì)期：The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C. -
貨期：Basically, we can dispatch the products out in 3-7 working days after receiving your orders. Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
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注意事項(xiàng)：Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
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產(chǎn)品描述：
This Human SSTR2 recombinant protein was produced in mammalian cell, where the gene sequence encoding Human SSTR2 (1-369aa) was expressed with the C-terminal 6xHis tag. The activity of this recombinant protein was measured in a functional ELISA. In addition, this recombinant human SSTR2 protein was developed through the Virus-Like Particles (VLPs) Platform. It is a seven-pass transmembrane protein.
SSTR2 (Somatostatin receptor 2) is a subtype of the SSTR family, which belong to the G protein-coupled receptor (GPCR) superfamily. SSTR2 is mainly involved in the regulation of various neuroendocrine processes, which can inhibit cell proliferation and promote cell apoptosis, and is an important target of neuroendocrine tumors. Most neuroendocrine tumors and their metastases express more SSTR than normal tissues. SSTR messenger RNA isoforms are widely expressed in neuroendocrine tumors, and their distribution is unnecessarily linked to the expression of SSTR isoforms. SSTR subtypes display a specific subcellular localization in human SS receptor-positive tumors. Most tumors with amine precursor absorption and decarboxylation characteristics and tumors with neuroendocrine characteristics have a large number of SSTR subtypes, but SSTR2 is the most expressed. Most human endocrine gland tumors, such as gastrinomas, glucagonomas, vasodilatory intestinal peptide tumors, and nonfunctional islet cell tumors, express SSTR2. -
Datasheet & COA：Please contact us to get it.
產(chǎn)品評(píng)價(jià)
平均分:
實(shí)驗(yàn)應(yīng)用：藥物相關(guān)研究
產(chǎn)品評(píng)價(jià)： SSTR2主要參與調(diào)節(jié)各種神經(jīng)內(nèi)分泌過(guò)程，可抑制細(xì)胞增殖，促進(jìn)細(xì)胞凋亡，是神經(jīng)內(nèi)分泌腫瘤的重要靶點(diǎn)。SSTR2是一個(gè)七次跨膜的蛋白，CUSABIO利用其VLPs平臺(tái)表達(dá)了全長(zhǎng)蛋白。收到產(chǎn)品后，我們通過(guò)功能性ELISA鑒定其生物活性，EC50為5.646-17.91ng/ml，顯示有較好的結(jié)合活性，可用于后續(xù)研究！
By 汪老師
相關(guān)產(chǎn)品
靶點(diǎn)詳情
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功能：Receptor for somatostatin-14 and -28. This receptor is coupled via pertussis toxin sensitive G proteins to inhibition of adenylyl cyclase. In addition it stimulates phosphotyrosine phosphatase and PLC via pertussis toxin insensitive as well as sensitive G proteins. Inhibits calcium entry by suppressing voltage-dependent calcium channels. Acts as the functionally dominant somatostatin receptor in pancreatic alpha- and beta-cells where it mediates the inhibitory effect of somatostatin-14 on hormone secretion. Inhibits cell growth through enhancement of MAPK1 and MAPK2 phosphorylation and subsequent up-regulation of CDKN1B. Stimulates neuronal migration and axon outgrowth and may participate in neuron development and maturation during brain development. Mediates negative regulation of insulin receptor signaling through PTPN6. Inactivates SSTR3 receptor function following heterodimerization.
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基因功能參考文獻(xiàn)：
- SSTR2A expression is infrequent in astrocytomas and negative in the majority of glioblastomas where it is of no prognostic significance. In contrast, oligodendrogliomas show intense membranous and cytoplasmic SSTR2A expression. PMID: 28467778
- The results of this study showed the SSTR2 expression was lower in patients pretreated with LA-SSA/PEGV compared to the drug-naive acromegalic patients. PMID: 27455094
- IHC of SSTR subtypes in the different cohorts showed SSTR2 staining intensity scores higher than SSTR5 in TSHoma, acromegaly and prolactinoma, whereas the expression of SSTR5 was stronger than SSTR2 in corticotropinoma and NFPA. PMID: 28434012
- SSTR2 was significantly hypermethylated in colorectal cancer tissues when compared with adjacent normal colorectal tissues. PMID: 28782576
- This study investigated the presence of progenitor/stem cells in non-functioning pituitary tumors (NFPTs) and tested the efficacy of dopamine receptor type 2 (DRD2) and somatostatin receptor type 2 (SSTR2) agonists to inhibit in vitro proliferation PMID: 28120505
- expression of MDM2, somatostatin receptor 2A, and PD-L1 in follicular dendritic cell sarcoma PMID: 27402219
- Combination treatment increased both SSTR2 and SSTR5 mRNA and protein levels in DU-145 cells. The data suggest that this combination therapy may be a good candidate for patients with advanced metastatic Prostate cancer (PCa) do not respond to androgen deprivation. PMID: 26531719
- although the limited number of cases with adequate term follow-up, SSTR-2A expression could be a prognostic factor and somatostatin analogs therapeutic candidate for SmCCs of the bladder as these tumors show high percentage of SSTR-2A expression PMID: 25906124
- SSTR2 expression was tested in GH-secreting adenomas from 60 patients with acromegaly who had undergone pituitary surgery, 36 of whom had received octreotide with varying levels of response. Its expression was not correlated with baseline or post-octreotide GH or IGF-1 levels or tumor volume. PMID: 25008035
- Filamin-A is required to mediate SSTR2 effects in pancreatic neuroendocrine tumours PMID: 26733502
- SSTR2 promoter hypermethylation might be associated with the risk and progression of laryngeal squamous cell carcinoma in males. PMID: 26796520
- VPA was observed to stimulate the expression of somatostatin receptor type 2 (SSTR2). PMID: 26211366
- Results show that histological subtyping of pituitary tumor correlated with SSTR2, E cadherin and p27kip protein levels and these may serve as useful biomarkers for prognosis. PMID: 26391562
- there is an elevation in CXCR4 and a decrease in SSTR2A expression with increasing malignancy in gastroenteropancreatic neuroendocrine neoplasms PMID: 26259237
- mir-185 regulates the expression of SSTR2 in GH-secreting pituitary adenoma. The staining intensity of SSTR2 is stronger in adenoma samples than controls. PMID: 26036598
- Data indicate that somatostatin receptor scintigraphy (SRS) and immunohistochemical results for somatostatin and dopamine receptors sstr2, sstr3, sstr5 and D2R were compared in neuroendocrine neoplasms tissues. PMID: 25808161
- CD56 marker is a useful alternative that is comparable to SSTR2A for the diagnosis of phosphaturic mesenchymal tumors. PMID: 26339384
- The number of SSTR-2-expressing cells was significantly smaller in the patients with Crohn's disease than that in those with the unchanged mucosa and in those with indeterminate (unclassified) colitis. PMID: 26978232
- In pancreatic neuroendocrine tumors, the primary tumor and metastases differ significantly in their SSTR2A expression. PMID: 25872131
- Study demonstrates the first evidence of SST2R expression and somatostatin receptor scintigraphy positivity in pancreatic serous cystadenomas. PMID: 25872132
- Somatostatin receptors were expressed in a high proportion of merkel cell carcinomas, although expression was heterogeneous between tumours and was not associated with disease severity. PMID: 25765179
- SSTR2 gene expression was dysregulated in the anterior cingulate of bipolar patients. PMID: 26238605
- Low SSTR2 expression is associated with pancreatic cancer. PMID: 25890201
- e hSSTr2 gene can act as not only a reporter gene for in vivo imaging, but also a therapeutic gene for local radionuclide therapy. PMID: 25879040
- Somatostatin type 2 receptor, a clinically crucial molecular target, shows variable and unpredictable expression in neuroendocrine neoplasms irrespective of tumor grade. PMID: 25591947
- This study indicated that SSTR2 may be associated with the selective vulnerability of the noradrenergic system in Alzheimer's disease. PMID: 25676386
- sST2 is proposed as a biomarker for progressive vascular fibrosis, and the involvement of sST2 in the pathogenesis of limited cutaneous systemic sclerosis may be exploited therapeutically. PMID: 26095613
- The expression of VEGF and SSTR2 were associated with progression and prognosis of gastric cancer. PMID: 26158180
- SSTR2 and SSTR5 protein levels were induced as compared to any agent alone. PMID: 25925002
- SSTR 5 was shown to be the main receptor subtype in the analysed differentiated or anaplastic thyroid malignancies, whereas SSTR 2 was found only in a small percentage. PMID: 24967740
- SSTR2A and SSTR3 are more likely to be expressed in SDH-deficient pheochromocytomas/paragangliomas compared with tumors demonstrating normal SDHB staining pattern. PMID: 25554089
- Relationships between SSTR2A and breast or prostate cancer showed low concordance between CpGs methylation grade and cancer. PMID: 25635370
- SSTR2 expression seems an important factor in the pathogenesis of prostate cancer PMID: 25010045
- agonist-selective sst2 receptor internalization is regulated by multi-site phosphorylation of its carboxyl-terminal tail. PMID: 24565897
- Filamin A is involved in SST2 stabilization and signaling in tumoral somatotrophs, playing both a structural and functional role. PMID: 24828612
- SSTR2 is overexpressed in gastric and duodenal neuroendocrine tumors PMID: 24565507
- We genotyped two single nucleotide polymorphisms (SNPs) in genes of importance for respiratory control: P2RY1 (adenosine diphosphate/adenosine triphosphate receptor) and SSTR2 (somatostatin receptor). PMID: 23828624
- ZAC1 and SSTR2 are down-regulated in non-functioning pituitary adenomas but not in somatotropinomas. PMID: 24098585
- Whereas sst2 receptors might play a primary role in the differentiation and regulation of TSH, LH, and FSH cells, sst5 receptors appear to be mainly involved in GH regulation from birth onward PMID: 24189142
- The analyses of this study demonstrated specific upregulation of sst 2 mRNA in medulloblastoma PMID: 23677175
- We studied the expression of SSTR(2A) and SSTR(5) with new procedures in 108 pituitary tumors PMID: 24182563
- Somatostatin receptor-2 positivity, either focal or diffuse, does not seem to predict prognosis in gastroenteropancreatic neuroendocrine tumors. PMID: 23794313
- Because of its diffuse strong expression and widespread availability, immunohistochemistry for SSTR2A is useful to confirm the diagnosis of phosphaturic mesenchymal tumors in an appropriate setting particularly if material is limited. PMID: 24060005
- mRNA levels of SSTR2a, SSTR3 and SSTR5 in neuroendocrine lung cancer affected patients, were determined. PMID: 21503779
- Low somatostatin receptor subtype 2, but not dopamine receptor subtype 2 expression is associated with the lack of biochemical response of somatotropinomas to treatment with somatostatin analogs PMID: 22472799
- Results suggest that targeting adenoviral vectors to sstr2A could provide a new strategy for the efficient transfer of genes to glioblastoma cells. PMID: 22592599
- Report down-regulation of SSTR-2 expression in operable hepatocellular carcinomas. PMID: 22640914
- Data suggest that somatostatin-14 inhibits secretion from alpha and beta pancreatic cells by activating GIRK (G protein-coupled inwardly-rectifying potassium channel) and inhibiting exocytosis; these effects are mediated by SSTR2 in both cell types. PMID: 22932785
- Mean cortical SSTR2 mRNA levels were significantly (19%) lower in the subjects with schizophrenia compared to controls. PMID: 21215273
- Data show that the aspartic acid changes at position 89 to either Ala, Leu, or Arg generated mutant somatostatin receptor subtype 2 (SSTR2) with varying expression profiles and a complete inability to bind somatostatin-14 (SST). PMID: 22495673
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亞細(xì)胞定位：Cell membrane; Multi-pass membrane protein. Cytoplasm. Note=Located mainly at the cell surface under basal conditions. Agonist stimulation results in internalization to the cytoplasm.
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蛋白家族：G-protein coupled receptor 1 family
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組織特異性：Expressed in both pancreatic alpha- and beta-cells (at protein level). Expressed at higher levels in the pancreas than other somatostatin receptors. Also expressed in the cerebrum and kidney and, in lesser amounts, in the jejunum, colon and liver. In the
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