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  4. Recombinant Human Neutrophil defensin 1 (DEFA1)

Recombinant Human Neutrophil defensin 1 (DEFA1)

In Stock
  • 中文名称：
    Recombinant Human Neutrophil defensin 1(DEFA1)
  • 货号：
    CSB-EP006652HU
  • 规格：
    ￥1836
  • 图片：
    • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • 其他：

产品详情

  • 纯度：
    Greater than 90% as determined by SDS-PAGE.
  • 基因名：
    DEFA1
  • Uniprot No.：
  • 别名：
    alpha 1; DEF1; DEF1_HUMAN; DEFA1; DEFA1B; DEFA2; Defensin 1; Defensin; Defensin; alpha 1; Defensin; alpha 1; myeloid related sequence; Defensin; alpha 2; HNP-1; HNP-2; HNP1; HP-1; HP-2; HP1; HP2; MRS; Myeloid related sequence; Neutrophil defensin 1; Neutrophil defensin 2
  • 种属：
    Homo sapiens (Human)
  • 蛋白长度：
    Full Length
  • 来源：
    E.coli
  • 分子量：
    37.2kDa
  • 表达区域：
    1-94aa
  • 氨基酸序列
    DIPEVVVSLAWDESLAPKHPGSRKNMACYCRIPACIAGERRYGTCIYQGRLWAFCC
    Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
  • 蛋白标签：
    N-terminal GST-tagged
  • 产品提供形式：
    Liquid or 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.
  • 缓冲液：
    Tris-based buffer,50% glycerol
  • 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：
    3-7 business days
  • 注意事项：
    Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
  • Datasheet & COA：
    Please contact us to get it.

产品评价

靶点详情

  • 功能：
    Defensin 1 and defensin 2 have antibacterial, fungicide and antiviral activities. Has antimicrobial activity against Gram-negative and Gram-positive bacteria. Defensins are thought to kill microbes by permeabilizing their plasma membrane.
  • 基因功能参考文献：
    1. lower DEFA1/DEFA3 copy number (CNV < 7) is associated with higher susceptibility to hospital-acquired infections (HAIs) in critically ill patients, indicating that host genetic factors are involved in the development of HAIs PMID: 29950924
    2. Human Neutrophil Peptide 1 directly binds and neutralizes Exotoxin A of Pseudomonas aeruginosa. PMID: 29738776
    3. Pretreatment of component b with human alpha-defensin-1 prior to addition of component a of Clostridium perfringens iota toxin prevented intoxication implicating that alpha-defensin-1 interacts with the toxin b component to prevent the formation of biologically active iota toxin on cells. PMID: 29635426
    4. DEFA1, DEFA3, and PPBP expression was significantly increased in hyperlipidemia and coronary heart disease patients compared with controls. PMID: 28420383
    5. HNP1 upregulation of cytokine expression in pDCs was inhibited by blockade of NF-kappaB activation or knockdown of IRF1, demonstrating the importance of these two signaling events in HNP1-induced pDC activation. PMID: 27031443
    6. these results demonstrate that HNPs1-3 may be potent inhibitors of ADAMTS13 activity, likely by binding to the central A2 domain of VWF and physically blocking ADAMTS13 binding. PMID: 27207796
    7. Increased alpha-defensin expression is associated with risk of coronary heart disease in hyperlipidemia patients. PMID: 27430968
    8. Levels in sera and CSF were elevated in Alzheimer disease patients compared with controls. PMID: 27082275
    9. the decreased HNP-1 production in the polymorphonuclear phagocytes form elderly individuals might have an important participation in the increased susceptibility to infectious diseases. PMID: 26323500
    10. Increased levels of neutrophil defensin 1, apolipoprotein E, clusterin, and zinc-alpha-2-glycoprotein are present in carotid atherosclerotic plaque secretomes. PMID: 26795031
    11. HNP1 functions as a "molecular brake" on macrophage-driven inflammation, ensuring both pathogen clearance and the resolution of inflammation with minimal bystander tissue damage. PMID: 27044108
    12. HP1 binding to the chromosomal passenger complex becomes particularly important when Aurora B phosphorylates kinetochore targets to eliminate erroneous microtubule attachments PMID: 26954544
    13. data demonstrate that HNP-1 induces IL-8 production not only through P2Y6, but also through additional P2 receptors via an ERK1/2-dependent mechanism in intestinal epithelial cells. PMID: 25816245
    14. Results showed that NO and NaNO2 can be considered as factors regulating the chemoattractant properties of defensin HNP1 in neutrophils PMID: 25772994
    15. Overexpression of DEFA1 retained independent prognostic significance for B-ALL outcome. PMID: 25802479
    16. The expression of alpha-defensins 1, 2 and 3 is up-regulated in hypercholesteremia. PMID: 25300997
    17. Defensins promote the differentiation into activated CD91(bright) dendritic cells. PMID: 25351513
    18. Elevated DEFA1 levels in diabetes are independent of DEFA1 copy numbers. PMID: 25083086
    19. The AD-1 assay offers another test with high sensitivity and specificity for diagnosing a prosthetic joint infection. PMID: 25256621
    20. The concentrations of LL37, alpha-1, beta-1 and beta-2 defensins were determined by ELISA. Serum AMPs did not change during attacks and did not correlate with acute phase reactants. PMID: 24747281
    21. DEFA1 encodes an antibacterial peptide that is bacteriocidal against S. aureus, E. coli, and P. aeruginosa. PMID: 2997278
    22. Side chain hydrophobicity is the critical factor that determines HNP1 protein binding potential. PMID: 24236072
    23. A decrease in salivary HNP 1-3 levels might be a biological factor for predisposition to oral ulcers in patients with Behcet disease and oral infection in healthy patients. PMID: 22861387
    24. HNP-1 enhances hepatic fibrosis in fatty liver by inducing hepatic stellate cell proliferation. PMID: 23682724
    25. -defensin 1 increases EFS-induced contractions of rat detrusor muscles PMID: 23542712
    26. sub-inhibitory doses of HNP-1 potently enhance the activity of a number of anti-gp41 antibodies and peptide inhibitors PMID: 23785290
    27. Human defensin alpha-1 is an innate immune molecule that is secreted by HCT116 cells in response to Trypanosoma cruzi infection, inhibits Trypanosoma cruzi motility, and plays an important role in reducing cellular infection. PMID: 23980110
    28. Results indicate that the gene expression of DEFA 1/3 and 4 was significantly increased in all tumours - except for a significant decrease of DEFA 4 gene expression in pleomorphic adenomas. PMID: 23050799
    29. This study suggests that HNPs 1-3 promote tumor invasion and are potential indicators of disease progression in patients with bladder cancer. PMID: 23011762
    30. Invariant gly residue is important for alpha-defensin folding, dimerization PMID: 22496447
    31. alpha-Defensin (DEFA1) was the most differentially overexpressed gene in this sample and may be related to the onset of Bell's palsy and Ramsay Hunt Syndrome. PMID: 22737966
    32. expressional level of HNPs 1,2 and 3 were significantly higher and their distributions overlapped in cancerous tissues of gastric cancer patients PMID: 22297599
    33. Dimerization contributes to some but not all of the activities of HNP1. PMID: 22270360
    34. A high DEFA1 gene CN was significantly associated with intestinal involvement in BD patients. PMID: 22219625
    35. Directly isolated dendritic cells secrete alpha-defensins 1-3; E2 inhibits this secretion. Same trend is observed in myeloid dendritic cells isolated from pregnant women in their first trimester (low plasma E2) and third trimester (high plasma E2). PMID: 21861873
    36. Increased levels of human neutrophil peptides 1, 2, and 3 in peritoneal fluid of patients with endometriosis: association with neutrophils, T cells and IL-8. PMID: 21831449
    37. Human granulocyte precursors transfected with siRNA against serglycin displayed reduced capability to retain fully processed HNP-1. PMID: 21849484
    38. HNP1-3 concentrations in patients with multidrug-resistant tuberculosis were significantly lower than in drug-susceptible pulmonary TB and healthy controls PMID: 21333105
    39. Changes in the expression pattern of DEFA 1/3 seem to be involved in the development of gingival irritation fibromas, whereas chronic inflammation might be of less importance. PMID: 21187770
    40. alpha-defensins 1-3 in T cells from patients with SJS/TEN may be involved in the etiopathology of these life-threatening diseases induced by medications. PMID: 20880148
    41. defensin-alpha(1)is a biologically active peptide exhibiting a dose-dependent trypanocidal effect in vitro against trypomastigotes and amastigotes of Trypanosoma cruzi line Tulahuen PMID: 21165432
    42. HNP-1 (alpha), HBD-2 (beta) and RTD-1 (theta) have anti-HIV-1 activity, but different mechanisms of action PMID: 20305815
    43. HNP-1 mainly enhanced the expression of IL-8 in epithelial cells, whereas it enhanced transforming growth factor-beta and vascular endothelial growth factor expressions in lung fibroblasts. PMID: 20715983
    44. Our report of DEFA1-3 expression by human omental adipocytes adds to the role of adipocytes in the primary defense against bacterial infection. PMID: 20424487
    45. Data show that high production of alpha-defensins1-3 by immature DCs appears as a host protective factor against progression of HIV-1 infection, suggesting potential diagnostic, therapeutic and preventive implications. PMID: 20195543
    46. The total amount of gingival crevicular fluid human neutrophil peptides 1 and 2 were not different among periodontitis, gingivitis, and health control groups; there was no correlation with clinical periodontal parameters. PMID: 20151808
    47. HNP1 binds to the cell wall precursor lipid II and reduction of lipid II levels in the bacterial membrane significantly reduces bacterial killing. PMID: 20214904
    48. Combining the distance constraints from the 3d experiment and the chemical-shift-derived torsion angles, we obtained a de novo high-resolution NMR structure of HNP-1 PMID: 19963419
    49. HNP1 mediates host immune responses to tumors in situ through the recruitment and subsequent activation of immature dendritic cells PMID: 19861439
    50. The solid-state NMR structure of HNP-1 has close similarity to the crystal structures of the HNP family, with the exception of the loop region between the first and second beta-strands. PMID: 20097206

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  • 亚细胞定位：
    Secreted.
  • 蛋白家族：
    Alpha-defensin family
  • 数据库链接：

    HGNC: 2761

    OMIM: 125220

    KEGG: hsa:1667

    STRING: 9606.ENSP00000372136

    UniGene: Hs.380781