Date published: 2025-12-14

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PAI-2 Antibody (E-1): sc-166539

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Datasheets
  • PAI-2 Antibody (E-1) is a mouse monoclonal IgG2a κ PAI-2 antibody, cited in 1 publications, provided at 200 µg/ml
  • raised against amino acids 61-130 of PAI-2 of human origin
  • PAI-2 Antibody (E-1) is recommended for detection of PAI-2 of mouse, rat and human origin by WB, IP, IF and ELISA
  • Anti-PAI-2 Antibody (E-1) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP, m-IgG2a BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for PAI-2 Antibody (E-1) for WB applications. These reagents are now offered in bundles with PAI-2 Antibody (E-1) (see ordering information below).

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PAI-2 Antibody (E-1) is a mouse monoclonal IgG2a kappa light chain antibody that detects PAI-2 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). PAI-2 Antibody (E-1) is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. PAI-2, also known as Serpin Family B Member 2, plays a crucial role in regulating fibrinolysis and tissue remodeling by inhibiting urokinase-type plasminogen activator (uPA) and tissue plasminogen activator (tPA), which are essential for converting plasminogen to plasmin. This regulation is vital for maintaining a balance between coagulation and fibrinolysis, thereby preventing excessive bleeding or thrombosis. PAI-2 is predominantly found in secreted and cytosolic forms, with expression being particularly important during pregnancy and in certain pathological conditions, such as cancer and inflammation. PAI-2′s ability to inhibit proteolytic activity is attributed to a unique serpin structure, which allows formation of stable complexes with target proteases, thus preventing their activity and contributing to the control of extracellular matrix degradation.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

PAI-2 Antibody (E-1) References:

  1. Plasminogen activator inhibitor type 2 (PAI-2) is present in normal human conjunctiva.  |  Massaro-Giordano, M., et al. 2005. J Cell Physiol. 205: 295-301. PMID: 15887231
  2. Structural basis of latency in plasminogen activator inhibitor-1.  |  Mottonen, J., et al. 1992. Nature. 355: 270-3. PMID: 1731226
  3. Human tumor cell urokinase-type plasminogen activator (uPA): degradation of the proenzyme form (pro-uPA) by granulocyte elastase prevents subsequent activation by plasmin.  |  Schmitt, M., et al. 1991. Adv Exp Med Biol. 297: 111-28. PMID: 1837419
  4. Role of plasminogen activator inhibitor-2 (PAI-2) in keratinocyte differentiation.  |  Jang, S., et al. 2010. J Dermatol Sci. 59: 25-30. PMID: 20494554
  5. Facultative polypeptide translocation allows a single mRNA to encode the secreted and cytosolic forms of plasminogen activators inhibitor 2.  |  Belin, D., et al. 1989. EMBO J. 8: 3287-94. PMID: 2583099
  6. The microRNA-15a-PAI-2 axis in cholangiocarcinoma-associated fibroblasts promotes migration of cancer cells.  |  Utaijaratrasmi, P., et al. 2018. Mol Cancer. 17: 10. PMID: 29347950
  7. The human urokinase-plasminogen activator gene and its promoter.  |  Riccio, A., et al. 1985. Nucleic Acids Res. 13: 2759-71. PMID: 2987867
  8. miR-200c/PAI-2 promotes the progression of triple negative breast cancer via M1/M2 polarization induction of macrophage.  |  Meng, Z., et al. 2020. Int Immunopharmacol. 81: 106028. PMID: 31801690
  9. Plasminogen activator inhibitor-2 (PAI-2) overexpression supports bladder cancer development in PAI-1 knockout mice in N-butyl-N- (4-hydroxybutyl)-nitrosamine- induced bladder cancer mouse model.  |  Furuya, H., et al. 2020. J Transl Med. 18: 57. PMID: 32024545
  10. Differential expression of urokinase-type plasminogen activator (uPA), its receptor (uPA-R), and inhibitor type-2 (PAI-2) during differentiation of keratinocytes in an organotypic coculture system.  |  Schaefer, BM., et al. 1995. Exp Cell Res. 220: 415-23. PMID: 7556451
  11. Cytokine regulation of endothelial cell extracellular proteolysis.  |  Niedbala, MJ. 1993. Agents Actions Suppl. 42: 179-93. PMID: 8356923
  12. Significance of the plasminogen activator inhibitor of placental type (PAI-2) in pregnancy.  |  Astedt, B., et al. 1998. Semin Thromb Hemost. 24: 431-5. PMID: 9834009

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

PAI-2 Antibody (E-1)

sc-166539
200 µg/ml
$316.00

PAI-2 Antibody (E-1): m-IgG Fc BP-HRP Bundle

sc-528989
200 µg Ab; 10 µg BP
$354.00

PAI-2 Antibody (E-1): m-IgGκ BP-HRP Bundle

sc-521647
200 µg Ab, 40 µg BP
$354.00

PAI-2 Antibody (E-1): m-IgG2a BP-HRP Bundle

sc-547229
200 µg Ab; 10 µg BP
$354.00

PAI-2 Antibody (E-1) AC

sc-166539 AC
500 µg/ml, 25% agarose
$416.00

PAI-2 Antibody (E-1) HRP

sc-166539 HRP
200 µg/ml
$316.00

PAI-2 Antibody (E-1) FITC

sc-166539 FITC
200 µg/ml
$330.00

PAI-2 Antibody (E-1) PE

sc-166539 PE
200 µg/ml
$343.00

PAI-2 Antibody (E-1) Alexa Fluor® 488

sc-166539 AF488
200 µg/ml
$357.00

PAI-2 Antibody (E-1) Alexa Fluor® 546

sc-166539 AF546
200 µg/ml
$357.00

PAI-2 Antibody (E-1) Alexa Fluor® 594

sc-166539 AF594
200 µg/ml
$357.00

PAI-2 Antibody (E-1) Alexa Fluor® 647

sc-166539 AF647
200 µg/ml
$357.00

PAI-2 Antibody (E-1) Alexa Fluor® 680

sc-166539 AF680
200 µg/ml
$357.00

PAI-2 Antibody (E-1) Alexa Fluor® 790

sc-166539 AF790
200 µg/ml
$357.00

What is the recommended starting dilution for Western blot for sc-166539: PAI-2 (E-1) monoclonal antibody?

Asked by: Cweed
The recommended starting dilution for Western blot is 1:100 with a dilution range of 1:100-1:1000. This information, along with other technical specifications, is available in the recommended protocol: https://www.scbt.com/scbt/resources/protocols/western-immuno-blotting
Answered by: Technical Support
Date published: 2017-03-22
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Rated 1 out of 5 by from No bands seenWestern blotting was performed using twelve different mouse osteosarcoma cell lines which were previously confirmed to express PAI-2 gene based on RT-PCR. Conditions: 12% gel electrophoresis, wet transfer over 2 hours, primary antibodies at 1:200 dilution in 5% mild blocking solution (4C overnight). There was no band visible following the protocol, although positive control (b-actin) was seen.
Date published: 2017-03-08
Rated 1 out of 5 by from wrong antibodyNo matter the band size and expression pattern is wrong in human samples by wb
Date published: 2016-12-14
Rated 5 out of 5 by from Produced nice Western blot data of PAIProduced nice Western blot data of PAI-2 expression in K-562 and CCRF-CEM whole cell lysates. -SCBT QC
Date published: 2013-03-30
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PAI-2 Antibody (E-1) is rated 2.3 out of 5 by 3.
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