Human Furin(FURIN) ELISA kit

Code CSB-EL009068HU
Size 96T,5×96T,10×96T How to order?
Trial Size 24T ELISA kits trial application
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Product Details


This Human FURIN ELISA Kit was designed for the quantitative measurement of Human FURIN protein in serum, plasma, tissue homogenates, cell lysates. It is a Sandwich ELISA kit, its detection range is 23.5 pg/mL-1500 pg/mL and the sensitivity is 5.86 pg/mL.

Target Name furin (paired basic amino acid cleaving enzyme)
Alternative Names FURIN; FUR; PACE; PCSK3; Furin; Dibasic-processing enzyme; Paired basic amino acid residue-cleaving enzyme; PACE
Abbreviation FURIN
Uniprot No. P09958
Species Homo sapiens (Human)
Sample Types serum, plasma, tissue homogenates, cell lysates
Detection Range 23.5 pg/mL-1500 pg/mL
Sensitivity 5.86 pg/mL
Assay Time 1-5h
Sample Volume 50-100ul
Detection Wavelength 450 nm
Research Area Cell Biology
Assay Principle quantitative
Measurement Sandwich
Intra-assay Precision (Precision within an assay): CV%<8%
Three samples of known concentration were tested twenty times on one plate to assess.
Inter-assay Precision (Precision between assays): CV%<10%
Three samples of known concentration were tested in twenty assays to assess.
To assess the linearity of the assay, samples were spiked with high concentrations of human FURIN in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
1:1Average %85
Range %80-91
1:2Average %96
Range %90-100
1:4Average %99
Range %94-104
1:8Average %92
Range %86-98
The recovery of human FURIN spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.
Sample TypeAverage % RecoveryRange
Serum (n=5) 9689-100
EDTA plasma (n=4)9992-105
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
15001.925 1.852 1.889 1.805
7501.501 1.476 1.489 1.405
3751.074 1.004 1.039 0.955
187.50.783 0.739 0.761 0.677
940.496 0.487 0.492 0.408
470.318 0.309 0.314 0.230
23.50.233 0.229 0.231 0.147
00.087 0.081 0.084  
ELISA Data Analysis Watch ELISA data processing video & download Curve Expert if needed
and FAQs
Storage Store at 2-8°C. Please refer to protocol.
Lead Time 3-5 working days

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Target Background

(From Uniprot)
Ubiquitous endoprotease within constitutive secretory pathways capable of cleavage at the RX(K/R)R consensus motif. Mediates processing of TGFB1, an essential step in TGF-beta-1 activation. Converts through proteolytic cleavage the non-functional Brain natriuretic factor prohormone into its active hormone BNP(1-32).; (Microbial infection) Cleaves and activates diphtheria toxin DT.; (Microbial infection) Cleaves and activates anthrax toxin protective antigen (PA).; (Microbial infection) Required for H7N1 and H5N1 influenza virus infection probably by cleaving hemagglutinin.; (Microbial infection) Able to cleave S.pneumoniae serine-rich repeat protein PsrP.; (Microbial infection) Facilitates human coronaviruses EMC and SARS-CoV-2 infections by proteolytically cleaving the spike protein at the monobasic S1/S2 cleavage site. This cleavage is essential for spike protein-mediated cell-cell fusion and entry into human lung cells.; (Microbial infection) Facilitates mumps virus infection by proteolytically cleaving the viral fusion protein F.
Gene References into Functions
  1. High FURIN levels show signs of lower disease activity suggesting that FURIN might have a protective role in primary Sjogren's syndrome. PMID: 29465367
  2. the furin inhibitor dec-RVKR-CMK blocked entry of MERS-CoV harboring an S protein lacking furin cleavage sites; it even blocked entry into furin-deficient LoVo cells. In addition, dec-RVKR-CMK inhibited not only the enzymatic activity of furin but also those of cathepsin L, cathepsin B, trypsin, papain, and TMPRSS2. PMID: 30021905
  3. Using protein X-ray crystallography, this study investigated the extended substrate binding site of furin in complex with three peptide-derived inhibitors at up to 1.9 A resolution. PMID: 29314830
  4. In squamous cell carcinoma of the cervix (SCCC), higher levels of MMP-14 expression were established in tumor cells, as evidenced by IHC (+3) and RT-PCR.Furin activity in the tumor was much higher than that in normal tissues. The expression of TIMP-2 mRNA was sufficiently obvious in both the tumor and normal tissues to the bottom of the uterine cavity. PMID: 29265076
  5. these findings identify furin as an important factor for aRMS progression and survival. Thus, we propose furin as a novel therapeutic target for treatment of aRMS. PMID: 27572312
  6. Novel protein crystallographic structures of the prototypical PC family member furin in different functional states were determined to 1.8-2.0 A. PMID: 27647913
  7. findings uncover a role of ERK1 in the regulation of furin activity by supporting a self-sustaining loop for high TGF-beta activity in glioma-initiating cells. PMID: 28484053
  8. Divers studies have confirmed the expression of furin in a large spectrum of cancers. Functional studies modulating its activity uncovered its importance for the processing of many cancer-related substrates and strongly indicate that high furin activity promotes the malignant phenotype of cancer cells. [review] PMID: 28369813
  9. Furin plays an important role in the malignant phenotype of rhabdomyosarcoma cells by activating proteins involved in tumor growth, vascularization, metastasis and invasion. PMID: 27548722
  10. Furin promotes epithelial-mesenchymal transition in pancreatic cancer cells probably via Hippo-YAP pathway and may be a potential target for anti-pancreatic cancer. PMID: 28259973
  11. Results suggest that (pro)renin receptor (s(P)RR) is generated by sequential processing by site-1 protease (S1P) and furin protein. PMID: 28013223
  12. Compared with the homozygous genotype CC of rs2071410, the frequency of CG + GG genotype in the case group was significantly higher than in the control group. Individuals with CG + GG genotype had 49.3% increased risk of Transient Ischemic Attack compared with individuals with CC genotype. Patients with CG + GG genotype had worse 90-day prognosis after Transient Ischemic Attack treatment than patients with CC genotype. PMID: 27760099
  13. our study provides evidence that furin activity and epithelial-mesenchymal transition are potential indicators of the aggressive phenotype in recurrent laryngeal cancer after irradiation and that furin is a potentially useful target against laryngeal cancer PMID: 27798871
  14. The authors show that Human papillomavirus type 16 L2 is cleaved during virion morphogenesis in differentiated tissue and that tissue-derived native virus initiates infection independent of cellular furin. PMID: 26569287
  15. Data suggest that the full Crimean-Congo hemorrhagic fever virus can be reproduced by reverse genetics; in this system, furin cleavage of the nonstructural glycoprotein reveals mature GP38. PMID: 25933376
  16. we could not confirm an effect of the SNP on FURIN expression in vitro and no correlations could be found in vivo with FURIN expression or outcome. PMID: 26137475
  17. the plasma level of FURIN does not predict the severity of infectious disease, it may be of use in the diagnostics of autoimmune diseases. PMID: 26346780
  18. These data highlight a positive-feedback loop whereby Notch1-dependent furin expression can induce Notch1 signaling by increasing Notch1 processing and by potentiating the activity of ADAM10 and Membrane Type 1 Matrix Metalloproteinase. PMID: 26283728
  19. Furin and PC7 siRNAs induced HIF-1alpha protein by increasing its translation, resulting in upregulation of VEGF-A. PMID: 24436242
  20. High levels of furin, TNF-alpha and TGF-beta2 may be the reason of proceeding decidualization, placentation, and prevention from abortion, in spite of terminating the fetal life. PMID: 26065233
  21. a phenotypic analysis demonstrated that a novel cis-eQTL SNP rs4702 for FURIN is strongly associated with both diastolic (p = 0.012) and systolic (p = 0.035) BP levels, as well as peripheral vascular resistance (p = 0.003). PMID: 25813623
  22. FUR transcription is activated by CREB-dependent stimulation of the FUR P1 promoter during human trophoblast syncytialization. PMID: 25175744
  23. Hepatic overexpression of human profurin reduced atherosclerotic lesion development in Ldlr(-/-)mice and reduced plasma LDL-c. In the presence of profurin, hepatic ApoB, mainly ApoB100, was degraded by proteasomes. PMID: 25026302
  24. Up-regulation of MT1-MMP and furin expression and low TIMP-2 expression make the main contribution to the invasiveness potential of squamous cell cervical carcinomas. PMID: 25552509
  25. These data support a model in which HD5 prevents furin from accessing human papillomavirus 16 L2 by occluding the furin cleavage site via direct binding to the viral capsid. PMID: 25540379
  26. a central regulator of cell-mediated immunity and Th1/2 cell balance and peripheral immune toleranc. PMID: 25355923
  27. we show that the K153R mutation significantly increases the rate of proteolysis of promyostatin by furin, but has no effect on the activity of the latent complex or the cleavage of the latent complex by bone morphogenetic protein 1 (BMP-1). PMID: 25543063
  28. The study presents a novel preparation of human furin and the first X-ray crystal structures of this enzyme in complex with noncovalent inhibitors. PMID: 24666235
  29. furin appears to be the essential enzyme for the generation of kisspeptins. PMID: 24454770
  30. High FURIN expression is associated with lung cancer. PMID: 23065687
  31. H9N2 HA can be cleaved in cells with high levels of furin expression. PMID: 24257604
  32. overexpression of furin can have either favourable or detrimental effects, it seems advisable to take indirect proprotein convertase inhibitory activity into account when polyphenols are considered for therapy of hepatocellular carcinoma. PMID: 23835774
  33. the role of serpinB8/furin in obesity-associated chronic inflammation PMID: 23936445
  34. Data indicate that alpha1PDX-serpin B8 and furin-PC chimeras suggeted new serpin and protease (re)active-site and exosite determinants of reactivity. PMID: 23744066
  35. The furin function is required for the development of syncytiotrophoblast structure in the labyrinth layer, as well as for normal embryonic development. PMID: 23598405
  36. The genetic variation of furin is not associated with insulin resistance in this Chinese Kazakh cohort. PMID: 23302673
  37. overexpression of PCs, furin and PC5, but not PC7, which are all expressed in SMC, increase PKGI cleavage in a dose-dependent manner PMID: 23686857
  38. His-69 functions as a pH sensor that regulates compartment-specific furin activation PMID: 23653353
  39. Among the PC family members, only furin activates hepcidin in hepatocytes, and uniquely the full-length membrane-bound PC7 can directly shed hTfR1 by cleavage at Arg100 PMID: 23390091
  40. Endothelial protease nexin-1 is a novel regulator of A disintegrin and metalloproteinase 17 maturation and endothelial protein C receptor shedding via furin inhibition. PMID: 23661674
  41. Genetic variations of Furin gene are not associated with obesity in Kazakh general population. PMID: 23568742
  42. Liver endothelial differentiation-associated protein (LEDA-1/PIANP) is processed by a furin-like proprotein convertase. PMID: 23558288
  43. Furin-cleaved proprotein convertase subtilisin/kexin type 9 (PCSK9) is active and modulates low density lipoprotein receptor and serum cholesterol levels. PMID: 23135270
  44. Cellular furin abundance in five cell lines was shown to be strongly correlated with productive IBV infection. Cleavage of IBV spike protein by furin may contribute to the productive IBV infection in these cells. PMID: 22995191
  45. Furin overexpression inhibited hepatocellular carcinoma tumor growth. PMID: 22808247
  46. expression of furin in the basal layer of the epidermis increased tumor development and enhanced tumor growth PMID: 22577343
  47. the association between Furin and its substrate MT1-MMP is regulated by PDGFR stimulation and c-Src. PMID: 22038627
  48. Furin-resistant Sema3E inhibits endothelial cells and hampers tumour angiogenesis and tumour growth. PMID: 22247010
  49. FURIN and its substrate cytokines BAFF and APRIL are over expressed in atherosclerotic plaques. PMID: 21889147
  50. These observations support the notion that hypoxia promotes the formation of a peripheral processing compartment where furin translocates for enhanced processing of proproteins involved in tumorigenesis. PMID: 21503879

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Subcellular Location Golgi apparatus, trans-Golgi network membrane; Single-pass type I membrane protein. Cell membrane; Single-pass type I membrane protein. Secreted. Endosome membrane; Single-pass type I membrane protein.
Protein Families Peptidase S8 family, Furin subfamily
Tissue Specificity Seems to be expressed ubiquitously.
Database Links

HGNC: 8568

OMIM: 136950

KEGG: hsa:5045

STRING: 9606.ENSP00000268171

UniGene: Hs.513153

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