SERPINB1 Antibody

Code CSB-PA021065LA01HU
Size US$166
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  • Western Blot
    Positive WB detected in: MCF-7 whole cell lysate, HepG2 whole cell lysate, A549 whole cell lysate
    All lanes: SERPINB1 antibody at 2µg/ml
    Secondary
    Goat polyclonal to rabbit IgG at 1/50000 dilution
    Predicted band size: 43, 27 kDa
    Observed band size: 43 kDa

  • Immunoprecipitating SERPINB1 in HepG2 whole cell lysate
    Lane 1: Rabbit control IgG instead of CSB-PA021065LA01HU in HepG2 whole cell lysate. For western blotting, a HRP-conjugated Protein G antibody was used as the secondary antibody (1/2000)
    Lane 2: CSB-PA021065LA01HU (8µg) + HepG2 whole cell lysate (500µg)
    Lane 3: HepG2 whole cell lysate (20µg)

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Product Details

Full Product Name
Rabbit anti-Homo sapiens (Human) SERPINB1 Polyclonal antibody
Uniprot No.
Target Names
SERPINB1
Alternative Names
Anti elastase antibody; EI antibody; ELANH2 antibody; Epididymis luminal protein 57 antibody; HEL57 antibody; ILEU_HUMAN antibody; LEI antibody; Leukocyte elastase inhibitor antibody; M/NEI antibody; MNEI antibody; Monocyte/neutrophil elastase inhibitor antibody; Peptidase inhibitor 2 antibody; Pi-2 antibody; PI2 antibody; Serine (or cysteine) proteinase inhibitor clade B (ovalbumin) member 1 antibody; Serpin B1 antibody; Serpin peptidase inhibitor clade B (ovalbumin) member 1 antibody; serpinb1 antibody
Raised in
Rabbit
Species Reactivity
Human
Immunogen
Recombinant Human Leukocyte elastase inhibitor protein (1-379AA)
Immunogen Species
Homo sapiens (Human)
Conjugate
Non-conjugated

The SERPINB1 Antibody (Product code: CSB-PA021065LA01HU) is Non-conjugated. For SERPINB1 Antibody with conjugates, please check the following table.

Available Conjugates
Conjugate Product Code Product Name Application
HRP CSB-PA021065LB01HU SERPINB1 Antibody, HRP conjugated ELISA
FITC CSB-PA021065LC01HU SERPINB1 Antibody, FITC conjugated
Biotin CSB-PA021065LD01HU SERPINB1 Antibody, Biotin conjugated ELISA
Clonality
Polyclonal
Isotype
IgG
Purification Method
>95%, Protein G purified
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, PH 7.4
Form
Liquid
Tested Applications
ELISA, WB, IP
Recommended Dilution
Application Recommended Dilution
WB 1:500-1:5000
IP 1:200-1:2000
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
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.

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Target Background

Function
Neutrophil serine protease inhibitor that plays an essential role in the regulation of the innate immune response, inflammation and cellular homeostasis. Acts primarily to protect the cell from proteases released in the cytoplasm during stress or infection. These proteases are important in killing microbes but when released from granules, these potent enzymes also destroy host proteins and contribute to mortality. Regulates the activity of the neutrophil proteases elastase, cathepsin G, proteinase-3, chymase, chymotrypsin, and kallikrein-3. Acts also as a potent intracellular inhibitor of GZMH by directly blocking its proteolytic activity. During inflammation, limits the activity of inflammatory caspases CASP1, CASP4 and CASP5 by suppressing their caspase-recruitment domain (CARD) oligomerization and enzymatic activation. When secreted, promotes the proliferation of beta-cells via its protease inhibitory function.
Gene References into Functions
  1. The expression of SERPINB1 was approximately 2-fold higher in apical periodontitis. SERPINB1 expression was noted in neutrophils and epithelial cells. PMID: 28673495
  2. SERPINB1 decreased inflammation, ameliorated oxidative stress in the lung, and attenuated acute lung injury in rats with orthotopic autologous liver transplantation by activating HO-1 and it does so through STAT3 PMID: 28427999
  3. a relatively low Serpinb1a protein threshold in neutrophils that is required for sustained survival PMID: 27107834
  4. SERPINB1 expression is significantly upregulated in human masticatory mucosa during wound healing PMID: 28005267
  5. Data show that high serpin B1 protein (SERPINB1) gene expression was associated with favorable tumor response and prolonged survival under cisplatin-based chemotherapy. PMID: 26799424
  6. Data show that oropharyngeal squamous cell carcinomas (OPSCCs) express granzyme inhibitors SERPINB1, SERPINB4 and SERPINB9 for cytotoxicity and the expression was not different between human papillomavirus (HPV)-positive and HPV-negative tumors. PMID: 26993499
  7. Pediatric CNS-PNETs evade immune recognition by downregulating cell surface MHC-I and CD1d expression. Intriguingly, expression of SERPINB9, SERPINB1, and SERPINB4 is acquired during tumorigenesis in 29%, 29%, and 57% of the tumors PMID: 26963506
  8. is not expressed in neutrophils of both sulfur mustard-exposed and chronic obstructive pulmonary disease patients PMID: 24852194
  9. Data suggest that serine protease inhibitor (SERPIN) B1 negatively regulates glioma cell migration and invasion probably by abrogating the expression of matrix metalloproteinase-2 and the activation of focal adhesion kinase. PMID: 24968089
  10. Decreased expression of SERPINB1 correlates with tumor invasion and poor prognosis in hepatocellular carcinoma. PMID: 24105272
  11. Apoptosis-inducing factor and leukocyte elastase inhibitor derived DNase II interact and can cooperate to induce cell death. PMID: 23673989
  12. Upon reactive center loop cleavage at Phe-343,SERPINB1 covalently complexes with GzmH. SERPINB1 overexpression suppresses GzmH- or LAK cell-mediated cytotoxicity. Crystal structures show possible conformational changes in GzmH for the suicide inhibition. PMID: 23269243
  13. In the resting state during human neutrophil extracellar trap generation, SerpinB1 is exclusively in the cytoplasm, consistent with the current understanding of clade B serpins, and it may migrate and regulate events in the cell nucleus. PMID: 23002442
  14. These results suggest that serpin B1 may be a novel marker of active ulcerative colitis and may play an important role in the pathogenesis of inflammatory bowel disease. PMID: 22421620
  15. serpinB1 sustains a healthy neutrophil reserve that is required in acute immune responses. PMID: 21248149
  16. The findings define an innate role for SerpinB1 in cystic fibrosis airways. PMID: 20817705
  17. M/NEI is a dual specificity inhibitor with two adjacent reactive sites that support rapid efficient inhibitory reactions with cellular proteases, including the three neutrophil granule proteases. PMID: 11747453

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Subcellular Location
Secreted. Cytoplasm. Cytolytic granule. Early endosome.
Protein Families
Serpin family, Ov-serpin subfamily
Tissue Specificity
In human bone marrow, present in all CD45+ populations. Expression levels are highest in the neutrophil lineage, intermediate in monocytic, and lowest in lymphocytic lineage. Within the neutrophil lineage, expression is highest in promyelocytes.
Database Links

HGNC: 3311

OMIM: 130135

KEGG: hsa:1992

STRING: 9606.ENSP00000370115

UniGene: Hs.381167

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