SERPINB9 Antibody

1. Data show that the serine protease inhibitor B9 (serpinB9) mediated caspase-1 inhibition regulates IL-1beta release in monocytes. PMID: 26992230
2. Treatment with estrogens further increased PI-9 level while decreased that of ERalpha66 isoform thus excluding the involvement of this receptor isoform in the event. Moreover, our studies also provided evidence that tertiary tumorspheres express elevated levels of CXCR4 and phospho-p38, suggesting that the high PI-9 content might be ascribed to the activation of the proliferative CXCR4/phospho-p38 axis. PMID: 27121069
3. 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
4. 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
5. Data suggest that reactive oxygen species (ROS) generated within cytotoxic lymphocytes by receptor stimulation are required for lysosomal permeabilization and release of GzmB (granzyme B) into the cytosol and for inactivation of serpin B9. PMID: 26670609
6. Increased intracellular PI-9 activity in mononuclear phagocytes from HIV-infected patients contributes to successful intracellular infection by virulent Mycobacterium tuberculosis. PMID: 24445365
7. The GrB-Sb9 nexus may therefore represent an additional mechanism of limiting lymphocyte lifespan and populations. PMID: 24488096
8. Suppression of granzyme B initiated apoptosis in protease inhibitor-9-expressing leukemia cells. PMID: 23892923
9. SerpinB9 expression in human renal tubular epithelial cells is induced by triggering of the viral dsRNA sensors TLR3, MDA5 and RIG-I during subclinical rejection. PMID: 22167597
10. lung cancer cells utilise their increased PI-9 expression to protect from granzyme B-mediated cytotoxicity as an immune evasion mechanism PMID: 22387007
11. Inhibition of Granzyme B by PI-9 protects prostate cancer cells from apoptosis. PMID: 21919028
12. Reduced proteinase inhibitor 9 expression in human vascular smooth muscle cells is associated with atherosclerotic disease progression. PMID: 21296596
13. PI-9 induction within human mononuclear phagocytes by virulent Mycobacterium tuberculosis serves to protect these primary targets of infection from elimination by apoptosis and thereby promotes intracellular survival of the organism. PMID: 22090449
14. constitutive expression of serine protease inhibitor 9 (PI-9) on human peripheral blood-and bone marrow-derived mesenchymal stem cells is a major defense mechanism against granzyme B-mediated destruction by NK cells PMID: 21795594
15. upregulated expression of PI-9 in NSCLC cells may serve to protect them from apoptosis induced by GrB PMID: 19956856
16. Expression levels of apoptosis-related proteins caspase 3, Bcl-2, and PI9 predict clinical outcome in anaplastic large cell lymphoma. PMID: 12036886
17. The presence and subcellular localization of proteinase inhibitor 9 in leukocytes and dendritic cells are consistent with a protective role against ectopic or misdirected granzyme B during an immune response. PMID: 12517944
18. a high expression of PI-9 by tubular epithelial cells can serve as one of the factors protecting renal allografts from rejection in spite of the presence of inflammatory cell infiltrates. PMID: 15458434
19. proteinase inhibitor 9 was effectively hydrolyzed and inactivated by human granzyme M, raising the possibility that this orphan granzyme bypasses proteinase inhibitor 9 inhibition of granzyme B PMID: 15494398
20. Since PI-9 considerably alters GrzB and killer cell sensitivity, it may strongly influence the efficacy of GvL(graft-versus-leukemia) effects PMID: 15531453
21. Over expression of SERPINB9 is associated with metastatic melanoma PMID: 16144945
22. Soluble SERPINB9 circulates in blood and increases on primary Cytomegalovirus infection in post renal transplantation patients PMID: 16267761
23. Estrogen induction of PI-9 may reduce the ability of cytolytic lymphocytes-mediated immune surveillance to destroy newly transformed cells PMID: 16306080
24. up-regulated expression of PI-9 in gestational trophoblastic diseases contributes to disease pathogenesis via immune evasion PMID: 16310039
25. loss of PI9 expression in tumor cells may reflect some mechanism associated with progression PMID: 17077322
26. PI9 inhibited apoptotic death by directly interacting with the intermediate active forms of caspase-8 and -10. This indicates that PI9 can regulate pro-apoptotic apical caspases. PMID: 17479112
27. The data suggest that PI-9 is tightly linked to maturation and may allow dendritic cells to exert their function in a potentially hostile environment. PMID: 18191723
28. A significant population consumes levels of genistein in soy products that may be high enough to induce PI-9, perhaps potentiating the survival of some preexisting breast cancers by enabling them to evade immunosurveillance. PMID: 18669594

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HGNC: 8955

OMIM: 601799

KEGG: hsa:5272

STRING: 9606.ENSP00000370074

UniGene: Hs.104879