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  4. Recombinant Human Trefoil factor 1 (TFF1)

Recombinant Human Trefoil factor 1 (TFF1)

  • 货号：
    CSB-BP023431HU
  • 规格：
  • 来源：
    Baculovirus
  • 其他：
  • 货号：
    CSB-EP023431HU-B
  • 规格：
  • 来源：
    E.coli
  • 共轭：
    Avi-tag Biotinylated

    E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.

  • 其他：
  • 货号：
    CSB-MP023431HU
  • 规格：
  • 来源：
    Mammalian cell
  • 其他：

产品详情

  • 纯度：
    >85% (SDS-PAGE)
  • 基因名：
  • Uniprot No.：
  • 别名：
    BCEI; Breast cancer estrogen inducible protein; Breast cancer estrogen inducible sequence; Breast cancer estrogen-inducible protein; D21S21; Gastrointestinal trefoil protein; Gastrointestinal trefoil protein pS2; hP1.A; HP1A; HPS 2; HPS2; pNR 2; PNR-2; pNR2; Polypeptide P1.A; Protein pS2; PS 2; pS2; pS2 protein; TFF 1; TFF1; TFF1_HUMAN; Trefoil factor 1
  • 种属：
    Homo sapiens (Human)
  • 蛋白长度：
    Full Length of Mature Protein
  • 表达区域：
    25-84aa
  • 氨基酸序列
    EAQTETCTVAPRERQNCGFPGVTPSQCANKGCCFDDTVRGVPWCFYPNTIDVPPEEECEF
  • 蛋白标签：
    Tag type will be determined during the manufacturing process.
    The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
  • 产品提供形式：
    Lyophilized powder
    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.
  • 复溶：
    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.
  • 储存条件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保质期：
    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.
  • 货期：
    Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
    Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
  • 注意事项：
    Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
  • Datasheet ：
    Please contact us to get it.

产品评价

靶点详情

  • 功能：
    Stabilizer of the mucous gel overlying the gastrointestinal mucosa that provides a physical barrier against various noxious agents. May inhibit the growth of calcium oxalate crystals in urine.
  • 基因功能参考文献：
    1. Findings suggest that the hypoxic conditions, which can be induced by gastric injury, promote TFF1 up-regulation, strengthened by an auto-induction mechanism, and that the trefoil peptide takes part in the epithelial-mesenchymal transition events eventually triggered to repair the damage. PMID: 29997345
    2. The urine TFF1 and TFF3 levels significantly increased with the progression of chronic kidney disease stages, but not the urine TFF2 levels. PMID: 29850501
    3. Study shows that TFF1 expression is silenced in early phases of esophageal squamous cell carcinoma (ESCC) development, which seems to be mediated at least in part by promoter hypermethylation, and provides the basis for the use of TFF1 expression as a potential biomarker for early ESCC detection. PMID: 29296124
    4. these data suggest that TFF1 might help cells to counteract Helicobacter colonization and the development of a chronic inflammation. PMID: 29085807
    5. Co-expression of GKN2 and TFF1 massively suppressed the expression of positive cell cycle regulators and induced G1/S arrest, synergistically enhancing the inhibition of cell viability and proliferation of gastric cancer cells PMID: 28150071
    6. The data suggest that the tumor suppressor activity of both RUNX1t1 and TFF1 are mechanistically connected to CEBPB and that cross-regulation between CEBPB-RUNX1t1-TFF1 plays an important role in gastric carcinogenesis. PMID: 27522676
    7. Low TFF1 expression is associated with retinoblastoma. PMID: 28481041
    8. The results suggest that the analysis of expression of MUC5AC and TFF1 may be useful for differentiating sessile serrated adenomas/polyps (SSA/Ps) from hyperplastic polyps (HPs). PMID: 28430953
    9. TFF1 displays a distinct protein expression pattern in the developing of airway remodeling due to Sulfur mustard inhalation and plays an important role in maintaining the airway epithelium function PMID: 27921407
    10. we found TFF1 plays an oncogenic role in mucinous ovarian cancer PMID: 26617749
    11. These results show increased levels of TFF1 and TFF3 in Chronic Kidney Disease patients with a pronounced elevation of urinary TFF1 in lower Chronic Kidney Disease stages. PMID: 26390128
    12. Loss of TFF1 could be a critical step in promoting the H. pylori-mediated oncogenic activation of beta-catenin and gastric tumorigenesis. PMID: 25980439
    13. We have established a novel, three-protein biomarker panel that is able to detect patients with early-stage pancreatic cancer in urine specimens:LYVE-1, REG1A, and TFF1 were selected as candidate biomarkers PMID: 26240291
    14. These findings suggest that the rs184432 and rs225359 polymorphisms in TFF1 have protective effects for GC and contribute to the development of GC in Korean individuals. PMID: 26240479
    15. Findings underscore an important protective role of TFF1 in abrogating H. pylori-mediated inflammation, a crucial hallmark of gastric tumorigenesis. Loss of TFF1 expression could be an important step in H. pylori-mediated gastric carcinogenesis. PMID: 26372254
    16. This study provides a potent tool of rTFF1 production to be applied in gastric damage protection and wound healing. The protein sources from B. choshinensis were more efficient than rTFF1 produced by E. coli PMID: 25990322
    17. trefoil factor 1 demonstrated breast specificity but was inferior to mammaglobin and GATA protein binding 3 PMID: 26276775
    18. Data indicate that microRNA miR218-5p negatively regulates trefoil factor 1 (TFF1) in an extracellular signal-regulated kinases Erk1/2-dependent manner. PMID: 25652124
    19. Trefoil Factor 1 levels can influence copper excretion and copper related toxicity. PMID: 25486181
    20. data clearly show that the expression of TFF3 in retinoblastoma cell lines is epigenetically regulated, whereas the level of TFF1 and TFF2 seems to be regulated by other or additional mechanisms PMID: 25199519
    21. Western blot analysis data demonstrated that miR-504 abrogates TFF1-induced p53 protein expression and activity. PMID: 25015107
    22. overexpressed in chronic rhinosinusitis without nasal polyps PMID: 24733740
    23. Immunohistochemical expression of ERalpha, ERbeta, and TFF1 in type I and II ovarian tumors. PMID: 24162262
    24. Determination of TFF1 status might identify patients at different risk for relapse and help in making decision on administering adjuvant therapy for early breast cancer patients during the first 3 years of follow-up. PMID: 24843314
    25. Retinoblastoma cell lines with high TFF1 expression levels exhibited a selective down-regulation of cyclin-dependent kinase (CDK) 6, whereas CDK4 and CDK2 seem to be unaffected by TFF1 expression. PMID: 22983508
    26. Piezo1 is a novel TFF1 binding protein that is important for TFF1-mediated cell migration in gastric cancer cells. PMID: 24798994
    27. the C-terminus of TFF1, involved in the binding of copper, is also able to selectively bind H. pylori RF-LPS. PMID: 24236136
    28. High TFF1 expression is associated with doxorubicininduced apoptosis resistance. PMID: 23836323
    29. miRNA-423-5p negatively regulated the expression of TFF1 by binding to its 3'UTR and participated in proliferation/invasion-related processes via a TFF1-dependent manner in gastric cancer cells PMID: 24486742
    30. TFF1 missense mutations seem to be a rare event in colorectal carcinogenesis. However, serum TFF1 levels were significantly elevated in patients with colorectal carcinoma. Serum TFF1 may be a potential useful marker for patients with colorectal carcinoma. PMID: 24503794
    31. Analysis of TFF1 levels dynamics revealed that TFF1 levels kept steady state during the 5-day period. TFF1 levels were similar in patients with SIRS, sepsis and severe sepsis PMID: 23627615
    32. MSK1 and MSK2 are required for maximal TFF 1 induction. PMID: 23675462
    33. downregulation of TFF1 expression during gastric neoplastic transformation is associated with activation of the NF-kappaB pathway PMID: 23942618
    34. TFF1 expression is silenced by DNA methylation and is associated with tumor invasion and a poor survival in gastric cancer patients. PMID: 23291975
    35. Reduced expression of TFF1 and increased expression of TFF3 may play a role in the carcinogenesis of gastric cancer. PMID: 23329884
    36. There is no direct molecular interaction between GKN1 and TFF1 in protein level in gastric cancer. PMID: 22842654
    37. The capacity of TFF1 to enhance prostate cancer cell migration/invasion is mediated by transcriptional repression of E-CADHERIN. PMID: 23266572
    38. The expression of TFF1 protein increases in gastric ulcer but decreases in gastric ulcerocancer. PMID: 22944057
    39. Report TFF1 expression in normal/diseased pancreas. PMID: 22286382
    40. Over-expression of TFF1 could promote apoptosis of three cell lines and inhibit proliferation but had no pronounced effect on cell cycle PMID: 22642590
    41. gastrointestinal tract specific gene GDDR might inhibit gastric cancer growth in a TFF1 dependent manner. PMID: 21870107
    42. PIMT may act as a co-activator in ERalpha-mediated transcription of TFF1 through its recruitment to the promoter via interacting with ERalpha. PMID: 22382029
    43. TFF1 promoter methylation is identified as a potential early marker of esophageal squamous cell carcinoma (ESCC). PMID: 21946330
    44. We found a statistically significant increased risk of gastric cancer associated with -394 TT genotypes PMID: 22093877
    45. documented the extent and timing of TFF1 expression in pancreatic ductal adenocarcinoma PMID: 21747314
    46. expression of TFF1 stimulated the migration and invasion in the four cell lines. Forced TFF1 expression in MCF10A, MDA-MB-231 and MCF7 cells did not modify anchorage-dependent or -independent cell proliferation PMID: 21358676
    47. The TFF1 promoter is activated by serum depletion according to promoter reporter assays in HEK 293 cells. PMID: 20494980
    48. TFF mRNA/protein expression is indicative of cholangiocarcinoma progression, but not predictive for histological sub-type or survival time. PMID: 21472131
    49. Data show that genes overexpressed in breast carcinoma including TFF1, TFF3, FOXA1 and CA12. PMID: 20132413
    50. loss of TFF1 leads to activation of IKK complex-regulated NF-kappaB transcription factors and is an important event in shaping the NF-kappaB-mediated inflammatory response during the progression to gastric tumorigenesis PMID: 21490402

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  • 亚细胞定位：
    Secreted.
  • 组织特异性：
    Found in stomach, with highest levels in the upper gastric mucosal cells (at protein level). Detected in goblet cells of the small and large intestine and rectum, small submucosal glands in the esophagus, mucous acini of the sublingual gland, submucosal g
  • 数据库链接：

    HGNC: 11755

    OMIM: 113710

    KEGG: hsa:7031

    STRING: 9606.ENSP00000291527

    UniGene: Hs.162807