CLDN3 Recombinant Monoclonal Antibody

說明書

中文名稱：

CLDN3重組抗體
貨號：

CSB-RA005505MA1HU
規格：

￥1320
圖片：
The Binding Activity of CLDN3 with Anti-CLDN3 recombinant antibody
Activity: Measured by its binding ability in a functional ELISA. Immobilized Human CLDN3 (CSB-MP005505HU) at 10 μg/mL can bind Anti-CLDN3 recombinant antibody, the EC₅₀ is 23.62-34.37 ng/mL.VLPs (CSB-MP3838) is negative control.
其他：

產品詳情
產品評價
相關產品
靶點詳情

產品詳情

產品描述：

CLDN3重組單克隆抗體（CSB-RA005505MA1HU）是一種針對緊密連接蛋白CLDN3的高特異性抗體，適用于ELISA檢測。CLDN3是緊密連接蛋白家族的重要成員，通過調控細胞間連接復合物的形成參與上皮和內皮屏障功能的維持，其表達異常與多種腫瘤發生及轉移密切相關，尤其在卵巢癌、乳腺癌等實體瘤中常作為潛在生物標志物被研究。本抗體采用重組單克隆技術制備，經嚴格的ELISA驗證證實其與天然及重組CLDN3蛋白具有高親和力結合能力，且批次間穩定性優異，可確保實驗重復性。該產品適用于多種科研場景，包括腫瘤細胞極性調控機制研究、上皮屏障功能分析、癌癥相關信號通路探索，以及體外模型中CLDN3表達水平的定量檢測。此外，其高靈敏度特性也支持其在藥物開發中用于靶點結合活性評估或篩選靶向CLDN3的候選化合物。本產品專為科研實驗設計，不用于臨床診斷或治療用途。
Uniprot No.：

O15551
基因名：

CLDN3
別名：

C7orf1 antibody; Claudin-3 antibody; Claudin3 antibody; CLD3_HUMAN antibody; CLDN 3 antibody; Cldn3 antibody; Clostridium perfringens enterotoxin receptor 2 antibody; CPE R2 antibody; CPE receptor 2 antibody; CPE-R 2 antibody; CPE-receptor 2 antibody; CPETR 2 antibody; CPETR2 antibody; HRVP 1 antibody; HRVP1 antibody; Rat ventral prostate 1 like protein antibody; Rat ventral prostate.1 protein homolog antibody; RVP1 antibody; Ventral prostate.1 like protein antibody; Ventral prostate.1 protein homolog antibody
反應種屬：

Human
免疫原：

Recombinant Human CLDN3 protein
免疫原種屬：

Homo sapiens (Human)
標記方式：

Non-conjugated
克隆類型：

Monoclonal
抗體亞型：

hIgG1
純化方式：

Affinity-chromatography
克隆號：

12B2
濃度：

It differs from different batches. Please contact us to confirm it.
保存緩沖液：

Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, PH 7.4
產品提供形式：

Liquid
應用范圍：

ELISA
Protocols：

ELISA Protocol
儲存條件：

Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
貨期：

Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
用途：

For Research Use Only. Not for use in diagnostic or therapeutic procedures.

產品評價

靶點詳情

功能：

Plays a major role in tight junction-specific obliteration of the intercellular space, through calcium-independent cell-adhesion activity.
基因功能參考文獻：
1. Claudin3 promoter methylation status (HR: 5.67; 95% CI: 2.2714.17) but not claudin3 expression was an independent predictor of survival. Claudin3 promoter hypermethylation reduces claudin3 expression and independently predicts poor prognosis. PMID: 29749528
2. Immunohistochemical expression levels of cytoplasmic claudins 3 and 7 appear to be novel prognostic factors in triple-negative breast cancer. PMID: 29482498
3. CLDN3 could be further evaluated as a novel biomarker for predicting the prognosis of lung squamous cell carcinoma (SqCC) and as a target for the treatment of lung SqCC in the future. PMID: 29511369
4. We describe a novel workflow, completely covering the analysis of CLDN3 as an exemplary exosome-based biomarker for prostate cancer from in vitro profiling of cancer exosomes over in silico identification and in vitro retesting to clinical validation. PMID: 28396511
5. Data indicate that CDH11, ICAM1 and CLDN3 were overexpressed in tumors when compared to normal esophagus, normal gastric and non-dysplastic Barrett's. PMID: 27363029
6. Study provide first biochemically and clinically validated evidence to support a colorectal cancer-suppressive function of claudin-3 by serving as a conjoint rheostat for regulating Stat-3 and Wnt/beta-catenin-signaling. PMID: 28783170
7. These tumor samples express CD44 protein at low rather than high levels. There is no correlation between CLDN3 gene expression and protein expression in these CPTAC samples; hence, the claudin-low subtype defined by gene expression is not the same group of tumors as that defined by low expression of CLDN3 protein. PMID: 28287265
8. Increased expression of intestinal epithelial claudin-1 with downregulation of claudin-3 has been observed in intestinal inflammatory disorders. PMID: 28493289
9. Data show that the charge of Lys65 in claudin 1 (Cldn1) and Glu158 in claudin 3 (Cldn3), and of Gln57 in claudin 5 (Cldn5) are necessary for tight junction (TJ) strand formation. PMID: 28415153
10. Mislocalization claudin-3 to nucleus in colon cancer and mislocalization claudin-4 to nucleus in adenomas of the colon were detected for the first time. . PMID: 28295005
11. Intracellular zinc has an essential role in the maintenance of the intestinal epithelial tight junction barrier through regulation of occludin proteolysis and claudin-3 transcription. PMID: 27151944
12. permeability barriers and affected cell morphology, proliferation, migration, AKT signaling, and gene expression. When claudins are exogenously expressed, ARPE-19 more closely model native RPE. PMID: 27593915
13. localization of Cldn3, Cldn7 and Cldn10 proteins in the different compartments of murine endometrium up to day 8.5 of pregnancy (dpc) as well as in human endometrium and first trimester decidua PMID: 26340953
14. Cln-3 plays a vital role in TNF-modulated paracellular permeability in submandibular epithelium. PMID: 26148935
15. Further in vitro studies suggested that the isolated MAbs possessed the desired binding properties for the detection or targeting of CLDN3. PMID: 25744656
16. that Claudin-3 expression was restricted to the apical pole of ependymocytes in the subcommissural organ PMID: 24974365
17. The expressions of MARVELD2, CLDN1 and CLDN3 mRNA were significantly lower in cholesteatoma tissue and may be involved in epithelium permeability. PMID: 25319490
18. Univariate analyses indicated that the T stage, lymph node metastasis, the TNM stage, and the expression of claudin-3, beta-catenin, and vimentin were significant predictors for overall survival (OS). PMID: 25820701
19. Data from live-cell imaging suggest at least two different cis-interaction interfaces within CLDN3 homopolymers as well as within CLDN1/CLDN3 heteropolymers. PMID: 25849148
20. our findings demonstrated that CLDN3 is an epigenetically silenced metastasis suppressor gene in Hepatocellular carcinoma PMID: 25277196
21. Study highlights a profound role for the choroid plexus in the pathogenesis of multiple sclerosis, and implies that CLDN3 may be regarded as a crucial and novel determinant of blood-cerebrospinal fluid barrier integrity PMID: 24356983
22. Claudin 3 was expressed in all non-goblet columnar lined oesophagus, Barrett's oesophagus, high grade dysplasia and adenocarcinoma. PMID: 24290871
23. Claudin-3 overexpression increases the malignant potential of colorectal cancer cells. PMID: 24069372
24. folding and assembly of CLDN3 and CLDN5 into the tight junction are controlled by non-conserved residues in the transmembrane 3 and extracellular loop 2 segments PMID: 24478310
25. Our comparative analysis of CLDN3 profile in breast and ovarian cancer clearly indicates organ specificity. PMID: 23529315
26. Snail and Claudin-3 may play important roles in invasion and metastasis in NSCLC PMID: 23075682
27. Claudin-3 expression in uterine luminal epithelium is stimulated by progesterone and suppressed by heparin-binding epidermal growth factor-like growth factor. PMID: 23909989
28. High CLDN3 expression is associated with tumor growth and metastases. PMID: 23097631
29. Dow-regulation of Claudin-3 is associated with the progression of early gastric adenocarcinomas. PMID: 22290341
30. CLDN3 may have a role in ovarian cancer, and its inhibition by short hairpin RNA could be a treatment strategy. PMID: 21519794
31. Analysis of staining intensities of CLDN 1 and 3 is useful as an auxiliary diagnostic and prognostic tool in patients with salivary gland mucoepidermoid carcinoma. PMID: 21184237
32. demonstrate that claudin-3 alters the tight junction meshwork and seals the paracellular pathway against the passage of small ions of either charge and uncharged solutes PMID: 20655293
33. Claudin-3 expression in Epstein-Barr virus-associated nasopharyngeal carcinoma was variable PMID: 20204275
34. Increased expressions of CLDN 2 and 3 suggest structural changes of tight junction in coeliac disease which may be, at least in part, responsible for increased permeability and proliferation observed in coeliac disease. PMID: 20143085
35. Here we show for the first time in both an experimental and clinical setting a strong relation between intestinal tight junction loss and urinary claudin-3 levels PMID: 19525861
36. Airway tight junctions are regulated by claudin interactions that confer the selectivity of the junction. PMID: 12909588
37. up-regulation of DDR1, CLDN3, and epithelial cell adhesion molecule are early events in the development of epithelial ovarian cancer PMID: 15240533
38. in breast tissue, CLDN3 expression is similar in tumours and surrounding normal tissue, as demonstrated by immunohistochemistry and real-time PCR PMID: 15743508
39. claudin-3 phosphorylation by PKA may provide a mechanism for the disruption of tight junctions in ovarian cancer PMID: 15905176
40. The gene expression profile of hepatic stem cells throughout life consists of high levels of expression of claudin-3 (CLDN-3). PMID: 16627685
41. Claudin tight junction proteins in endoscopy biopsy samples showed Barrett's metaplasia contains more claudin-2 and claudin-3 than found in normal esophageal mucosa, but markedly lower claudins 1 and 5, indicating very different tight junction barriers. PMID: 17103306
42. Overexpression of claudin-3 is associated with uterine serous papillary carcinoma PMID: 17326053
43. When compared, small-cell-lung cancers, carcinoid tumors, and adenocarcinomas revealed significant differences re: CLDN3 expression. PMID: 17418912
44. CLDN3 overexpression can be used as a prognostic indicator in ovarian serous carcinomas and it may be a promising target for antibody-based therapy of ovarian carcinomas. PMID: 17647191
45. siRNA-mediated knockdown of Sp1 led to a significant decrease of CLDN3 expression at both the mRNA and protein levels, demonstrating a crucial role for this transcription factor in the regulation of CLDN3. PMID: 17986852
46. Claudin-3 and claudin-7 expression in effusions independently predicts poor survival in ovarian cancer. PMID: 18439941
47. claudins 1 and 3 had a significant effect on overall survival in patients with urothelial carcinoma of the upper urinary tract. PMID: 18550469
48. This is the first study to demonstrate that claudin-3 is involved in the barrier function of gastric epithelial cells and that rebamipide abolishes the H2O2-induced decrease in claudin-3 protein. PMID: 18774778
49. For the first time this study proves the presence of Claudin-1, Claudin-3 and Claudin-5 in ECV304 (obtained from ECACC) cell layers and the inducibility of their expression by glioma-conditioned media. PMID: 18817843
50. Using a panel of four genes (AHRR, p16INK4a, MT1G, and CLDN3) resulted in sensitivity and specificity of 50% and 68%, respectively and may have utility for early detection of esophageal squamous dysplasia and early ESCC. PMID: 19137073
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相關疾病：

CLDN3 is located in the Williams-Beuren syndrome (WBS) critical region. WBS results from a hemizygous deletion of several genes on chromosome 7q11.23, thought to arise as a consequence of unequal crossing over between highly homologous low-copy repeat sequences flanking the deleted region.
亞細胞定位：

Cell junction, tight junction. Cell membrane; Multi-pass membrane protein.
蛋白家族：

Claudin family
數據庫鏈接：

HGNC: 2045

OMIM: 602910

KEGG: hsa:1365

STRING: 9606.ENSP00000378577

UniGene: Hs.647023

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