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  4. ISG15 Recombinant Monoclonal Antibody

ISG15 Recombinant Monoclonal Antibody

  • 中文名稱：
    ISG15重組抗體
  • 貨號：
    CSB-RA937491A0HU
  • 規格：
    ￥1320
  • 圖片：
    • IHC image of CSB-RA937491A0HU diluted at 1:100 and staining in paraffin-embedded human salivary gland tissue performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Goat anti-rabbit polymer IgG labeled by HRP and visualized using 0.05% DAB.
    • Overlay Peak curve showing HepG2 cells stained with CSB-RA937491A0HU (red line) at 1:100. The cells were fixed in 4% formaldehyde and permeated by 0.2% TritonX-100. Then 10% normal goat serum to block non-specific protein-protein interactions followed by the antibody (1ug/1*106cells) for 45min at 4℃. The secondary antibody used was FITC-conjugated Goat Anti-rabbit IgG(H+L) at 1:200 dilution for 35min at 4℃.Control antibody (green line) was rabbit IgG (1ug/1*106cells) used under the same conditions. Acquisition of >10,000 events was performed.
  • 其他：

產品詳情

  • 產品描述：
    CSB-RA937491A0HU ISG15重組單克隆抗體是專為科研設計的特異性檢測工具，適用于ELISA、免疫組化（IHC）及流式細胞術（FC）等多種實驗平臺。該抗體靶向ISG15蛋白，該分子作為干擾素刺激基因編碼的泛素樣修飾蛋白，在抗病毒免疫應答及炎癥調控中發揮關鍵作用，其介導的ISG化修飾可調節宿主細胞對病原體感染的防御機制。經嚴格驗證，本產品在IHC應用中可清晰呈現組織樣本中ISG15的亞細胞定位，推薦稀釋比例1:50-1:200；流式檢測中能有效區分ISG15陽性與陰性細胞群體，推薦使用濃度1:50-1:200。其重組單克隆特性確保了高批次間一致性和低交叉反應性，特別適用于病毒感染模型研究、免疫信號通路解析及腫瘤微環境中ISG15表達模式的探索，為先天免疫調控、細胞應激反應等基礎研究領域提供可靠工具。本產品僅供科學研究使用。
  • Uniprot No.：
  • 基因名：
    ISG15
  • 別名：
    Ubiquitin-like protein ISG15 (Interferon-induced 15 kDa protein) (Interferon-induced 17 kDa protein) (IP17) (Ubiquitin cross-reactive protein) (hUCRP), ISG15, G1P2 UCRP
  • 反應種屬：
    Human
  • 免疫原：
    A synthesized peptide derived from human ISG15
  • 免疫原種屬：
    Homo sapiens (Human)
  • 標記方式：
    Non-conjugated
  • 克隆類型：
    Monoclonal
  • 抗體亞型：
    Rabbit IgG
  • 純化方式：
    Affinity-chromatography
  • 克隆號：
    16D8
  • 濃度：
    It differs from different batches. Please contact us to confirm it.
  • 保存緩沖液：
    Rabbit IgG in 10mM phosphate buffered saline , pH 7.4, 150mM sodium chloride, 0.05% BSA, 0.02% sodium azide and 50% glycerol.
  • 產品提供形式：
    Liquid
  • 應用范圍：
    ELISA, IHC, FC
  • 推薦稀釋比：
    Application Recommended Dilution
    IHC 1:50-1:200
    FC 1:50-1:200
  • Protocols：
  • 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：
    Ubiquitin-like protein which plays a key role in the innate immune response to viral infection either via its conjugation to a target protein (ISGylation) or via its action as a free or unconjugated protein. ISGylation involves a cascade of enzymatic reactions involving E1, E2, and E3 enzymes which catalyze the conjugation of ISG15 to a lysine residue in the target protein. Its target proteins include IFIT1, MX1/MxA, PPM1B, UBE2L6, UBA7, CHMP5, CHMP2A, CHMP4B and CHMP6. Isgylation of the viral sensor IFIH1/MDA5 promotes IFIH1/MDA5 oligomerization and triggers activation of innate immunity against a range of viruses, including coronaviruses, flaviviruses and picornaviruses. Can also isgylate: EIF2AK2/PKR which results in its activation, DDX58/RIG-I which inhibits its function in antiviral signaling response, EIF4E2 which enhances its cap structure-binding activity and translation-inhibition activity, UBE2N and UBE2E1 which negatively regulates their activity, IRF3 which inhibits its ubiquitination and degradation and FLNB which prevents its ability to interact with the upstream activators of the JNK cascade thereby inhibiting IFNA-induced JNK signaling. Exhibits antiviral activity towards both DNA and RNA viruses, including influenza A, HIV-1 and Ebola virus. Restricts HIV-1 and ebola virus via disruption of viral budding. Inhibits the ubiquitination of HIV-1 Gag and host TSG101 and disrupts their interaction, thereby preventing assembly and release of virions from infected cells. Inhibits Ebola virus budding mediated by the VP40 protein by disrupting ubiquitin ligase activity of NEDD4 and its ability to ubiquitinate VP40. ISGylates influenza A virus NS1 protein which causes a loss of function of the protein and the inhibition of virus replication. The secreted form of ISG15 can: induce natural killer cell proliferation, act as a chemotactic factor for neutrophils and act as a IFN-gamma-inducing cytokine playing an essential role in antimycobacterial immunity. The secreted form acts through the integrin ITGAL/ITGB2 receptor to initiate activation of SRC family tyrosine kinases including LYN, HCK and FGR which leads to secretion of IFNG and IL10; the interaction is mediated by ITGAL.
  • 基因功能參考文獻：
    1. These results demonstrate that virus-induced IFN-lambda4 potently blocks IFN-alpha signalling by inducing high protein levels of ISG15 and USP18. Moreover, the data clearly demonstrate that DAA therapy restores IFN-alpha responsiveness in HCV-infected cells. PMID: 28630501
    2. IFN-gamma increases free ISG15 levels in the cytoplasm and ISGylation in the nucleus and cytoplasm, but in a manner distinct between MCF-7 and MDA-MB-231cells. PMID: 29626479
    3. Hepatitis E virus may promote production of IFN-alpha/beta and expression of ISG15 via ORF3 in the early stages, and increased ISG15 subsequently inhibited the production of IFN-alpha/beta. PMID: 29853735
    4. ISGylation is a ubiquitin-like modification that controls exosome release. ISGylation induction decreases microvesicular body numbers and impairs exosome secretion. Specifically, ISGylation of the MVB protein TSG101 induces its aggregation and degradation, being sufficient to impair exosome secretion. PMID: 27882925
    5. The species-specific gain-of-function in antiviral immunity observed in ISG15 deficiency is explained by the requirement of ISG15 to sustain USP18 levels in humans. PMID: 27193971
    6. HIV-1 IIIB infection of myeloid ThP-1 cells also reduced the IFN-alpha-mediated induction of the anti-viral gene, ISG15, but not MxA, revealing a functional consequence of this HIV-1-mediated immune evasion strategy. PMID: 29580840
    7. DNA damage induces ISG15 conjugation to p53 and this modification markedly enhances the binding of p53 to the promoters of its target genes as well as of its own gene by promoting phosphorylation and acetylation. PMID: 27545325
    8. Studied foot-and-mouth disease virus (FMDV) Lbpro targeting of ISG15. Show a previously undescribed mechanism by which viruses interfere with the ubiquitin and ubiquitin-like systems. PMID: 29463763
    9. ISG15 is able to trigger IFN-gamma production and other signaling pathways suggesting it is a potential cytokine that could interact with still unknown receptors. (Review) PMID: 28467275
    10. ISG15 induces cancer cell apoptosis by disrupting the NF-kappaB signaling pathway. This study highlighted a novel role of ISG15 in tumor suppression. PMID: 27659523
    11. The Interferon-stimulated 15-KDa protein (ISG15) rs1921 variant and ISG15 expression are associated with HBV-related liver diseases. PMID: 27626177
    12. findings revealed that MERS-CoV PLpro chiefly engages human ISG15 through its C-terminal domain; structure of MERS-CoV PLpro was solved to 2.4 A in complex with the C-terminal domain of hISG15; structure of MERS-CoV PLpro in complex with this domain exposed the interface between these two entities PMID: 28931677
    13. Our study demonstrates a protumor role of ISG15, and suggests that ISG15 is a prognostic predictor and a potential therapeutic target for nasopharyngeal carcinoma PMID: 26919245
    14. Results show that HERC5 mediates covalent ISG15 conjugation to parkin in mammalian cells and that ISG15 is conjugated to the Lys349 and Lys369 residues of parkin which increases its ubiquitin E3 ligase activity. PMID: 27534820
    15. Extracellular ISG15 signals cytokine secretion through the LFA-1 integrin receptor (CD11a/CD18) in natural killer cells. PMID: 29100055
    16. Results suggest that unconjugated ISG15 affects the functions of HCV NS5A through protein-protein interaction. PMID: 28543875
    17. This report demonstrates that ISG15 induced by Hepatitis E virus replication in Huh7-S10-3 human liver cells plays an immunomodulatory role by negatively regulating type I Interferon signaling and, thus, Hepatitis E virus sensitivity to type I Interferon. PMID: 28724761
    18. epletion of either ISG15 or UBE2L6/UBCH8 resulted in enhanced endogenous autophagic flux. PMID: 28186990
    19. unlike ISG15, ubiquitin and FAT10 are conjugated to a similar degree to newly translated and pre-existing proteins. PMID: 27926780
    20. This paper shows that ISG15 directly regulates Human Cytomegalovirus replication and that its accumulation restricts productive virus growth. PMID: 28202760
    21. The results suggest that integrin-adhesion-induced MRTF-A-SRF activation and ISG15 expression constitute a newly discovered signaling circuit that promotes cell migration and invasion. PMID: 26872785
    22. These data indicate that hepatic expression of PSMA6, which is upregulated during viral hepatitis, likely depends on TLR3 activation and, that PSMA6 affects the expression of immunoregulatory ISG15, a proviral factor in the pathogenesis of hepatitis C virus infection. PMID: 26833585
    23. ISG15 dysregulation may be involved in the pathogenesis of glomerular inflammation PMID: 26844778
    24. This study shows that interferon-stimulated gene 15 (ISG15) lowers Human respiratory syncytial virus growth through protein ISGylation. PMID: 26763998
    25. Data show the induction of signal transducer and activator of transcription (STAT)1 and IFN-stimulated gene 15 protein (ISG15) in Rickettsia conorii-infected human umbilical vein endothelial cells (HUVECs). PMID: 26560068
    26. ISG15 might serve as a novel prognostic biomarker in drinkers with esophageal squamous cell cancer PMID: 26617815
    27. Cellular ubiquitin is a substrate of ISG15 and Lys 29 on ubiquitin is the major ISG15 acceptor site. PMID: 26226047
    28. Microparticles released from Mycobacterium tuberculosis-infected human macrophages contain increased levels of the type I interferon inducible protein ISG15. PMID: 26036210
    29. The inhibitory effect of ISG15 on HCV RNA replication does not require its conjugation to substrates by HERC5. PMID: 26361997
    30. These data reveal a previously uncharacterized ISG15-dependent restriction of Listeria infection, reinforcing the view that ISG15 is a key component of the innate immune response. PMID: 26259872
    31. free ISG15 may have antitumor and immunoregulatory function in vivo in breast cancer PMID: 25749047
    32. Propose that Isg15-dependent degradation of p53 represents an alternative mechanism of controlling p53 protein levels, and, thus, it is an attractive pathway for drug discovery. PMID: 24844324
    33. Reovirus T3D infection induced STAT-1, ISG-15, IFIT-1, Mx1, and IFIT-3 expression. PMID: 25905045
    34. Results suggest that high ISG15 expression is an intrinsic feature of hepatocellular carcinoma and a trigger for tumorigenesis and metastasis. PMID: 25238261
    35. our work demonstrates that ISG15 is a previously unrecognized support factor for CSC in the PDAC microenvironment with a key role in pathogenesis and progression. PMID: 25368022
    36. intracellular ISG15 is IFN-alpha/beta-inducible not to serve as a substrate for ISGylation-dependent antiviral immunity, but to ensure USP18-dependent regulation of IFN-alpha/beta and prevention of IFN-alpha/beta-dependent autoinflammation PMID: 25307056
    37. The ISG15 conjugation system represents a critical innate response mechanism in cardiomyocytes to fight the battle against invading pathogens, limiting inflammatory cardiomyopathy, heart failure, and death. PMID: 25165091
    38. suppression of ISG15 by siRNA sensitized A549-CUG2 cells to vesicular stomatitis virus infection. PMID: 24452380
    39. ISG15 does not appear to play a key role in IFN-beta-mediated C2C12 myoblast cell fusion PMID: 23750257
    40. ISG15 is a potential prognostic marker in high-grade serous carcinoma of the ovary PMID: 24300530
    41. Results showed that ISG15 modification (ISGylation) of PCNA plays a key role in translesion DNA synthesis termination. PMID: 24768535
    42. These data support the interferon-induced generation of a Tsg101- and ISG15-dependent checkpoint in the secretory pathway that compromises influenza virus release. PMID: 24237697
    43. Findings support the development of ISG15 conjugation inhibitors for treating breast and also other cancers expressing oncogenic Ki-Ras. PMID: 23318454
    44. expression of the ISG15 and/or ISGylation system attenuates HIF-1alpha-mediated gene expression and tumorigenic growth. PMID: 24056783
    45. ISG15 is counteracted by vaccinia virus E3 protein and controls the proinflammatory response against viral infection. PMID: 24257616
    46. Our results suggest that ISG15 overexpression could be developed into a powerful gene-therapeutic tool for treating IFN-alpha-resistant HCC. PMID: 24024201
    47. HIV-1 infection up-regulating expression of ISG15 in cell lines. PMID: 24386835
    48. High interferon-stimulated gene ISG-15 expression affects HCV treatment outcome in patients co-infected with HIV and HCV. PMID: 23588721
    49. Activation of double-stranded RNA-activated protein kinase (PKR) by interferon-stimulated gene 15 (ISG15) modification down-regulates protein translation PMID: 23229543
    50. ISG15 deregulates autophagy in genotoxin-treated ataxia telangiectasia cells PMID: 23212917

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  • 相關疾病：
    Immunodeficiency 38, with basal ganglia calcification (IMD38)
  • 亞細胞定位：
    Cytoplasm. Secreted. Note=Exists in three distinct states: free within the cell, released into the extracellular space, or conjugated to target proteins.
  • 組織特異性：
    Detected in lymphoid cells, striated and smooth muscle, several epithelia and neurons. Expressed in neutrophils, monocytes and lymphocytes. Enhanced expression seen in pancreatic adenocarcinoma, endometrial cancer, and bladder cancer, as compared to non-c
  • 數據庫鏈接：

    HGNC: 4053

    OMIM: 147571

    KEGG: hsa:9636

    STRING: 9606.ENSP00000368699

    UniGene: Hs.458485



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