IL2RB (FB-102 Biosimilar) Recombinant Monoclonal Antibody

Code CSB-RA011650MB1HU
Size US$9799
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Product Details

Uniprot No.
Target Names
Alternative Names
FB102 research-grade biosimilar; FB 102 research-grade biosimilar ;IL2RB antibody; IL15RB antibody; Interleukin-2 receptor subunit beta antibody; IL-2 receptor subunit beta antibody; IL-2R subunit beta antibody; IL-2RB antibody; High affinity IL-2 receptor subunit beta antibody; Interleukin-15 receptor subunit beta antibody; p70-75 antibody; p75 antibody; CD antigen CD122 antibody
Species Reactivity
Human
Immunogen
Recombinant Human IL2RB protein
Immunogen Species
Homo sapiens (Human)
Conjugate
Non-conjugated
Clonality
Monoclonal
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
0.01M PBS,pH7.4
Form
Liquid
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Notes
Validation Status
Application-specific performance (e.g., in flow cytometry, ELISA, IHC or other assay formats) has not yet been experimentally verified by CUSABIO. Users are advised to determine the optimal working conditions empirically in their own assay systems.
Guaranteed Quality
① Antibody purity > 95% tested by SDS-PAGE.
② Endotoxin level < 0.1EU/ug tested by LAL method.
Lead Time
3-4 weeks
Description

This recombinant monoclonal antibody is a research-grade biosimilar to FB-102, designed to specifically recognize IL2RB (Interleukin-2 Receptor Beta chain, also known as CD122). IL2RB is a crucial component of the intermediate-affinity IL-2 receptor complex, primarily expressed on T cells, NK cells, and certain regulatory T cell subsets. This receptor subunit plays an essential role in immune cell proliferation, differentiation, and survival by mediating IL-2 signaling through the JAK-STAT pathway. Dysregulation of IL2RB expression and signaling has been implicated in various immunological disorders, including autoimmune diseases, transplant rejection, and certain hematological malignancies, making it an important target for immunological research.

FB-102 is an agonistic antibody targeting IL-2Rβ, aiming to enhance anti-tumor or anti-viral immune responses by activating immune cells that express "intermediate affinity IL-2 receptors" (composed of IL-2Rβ and γc chains), such as natural killer cells and memory T cells, while avoiding the activation of regulatory T cells. This biosimilar provides researchers with a reliable tool for exploring IL2RB function in various experimental contexts, including investigations of immune regulation, lymphocyte development, and therapeutic strategies targeting the IL-2 pathway. It serves as a valuable reagent for advancing understanding of immune system dynamics and disease mechanisms.

Usage
It is a non-therapeutic biosimilar antibody, owning the same variable region from the corresponding approved therapeutic antibody. In conclusion, it is a research-grade biosimilar antibody and expressed in mammalian cell, which can be directly used as positive controls in drug discovery or used for rapid verification of the biological functions of target protein.

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Target Background

Function
Receptor for interleukin-2. This beta subunit is involved in receptor mediated endocytosis and transduces the mitogenic signals of IL2. Probably in association with IL15RA, involved in the stimulation of neutrophil phagocytosis by IL15.
Gene References into Functions
  1. Characterization of interleukin receptor beta/gamma-associated protein complex assembly in IL-2- and IL-15-activated T-cells has been reported. PMID: 27463037
  2. An association with the risk of erosion was observed for a haplotype of 2 single nucleotide polymorphisms of the IL-2RB gene in ACPA positive Rheumatoid arthritis patients. PMID: 26203933
  3. CD112 downregulation resulted in a reduced ability of DNAM-1 to bind to the surface of both virus-infected and gD-transfected cells. PMID: 25352670
  4. IL-2 receptor beta chain expression is drastically diminished on T cells in ANCA-associated vasculitis. PMID: 24648606
  5. in anti-citrullinated protein antibody positive rheumatoid arthritis, the haplotype AC of IL-2RB was associated with a higher rate of erosions at baseline and at 1 year follow-up in comparison to other haplotypes. PMID: 24200909
  6. This is the first report demonstrating that heterodimeric combinations of IL-2R and IL-6R subunits are functional for signaling. PMID: 23926072
  7. MiniSTR marker D22S1045 (locus 22q12.3) is localized near the breakpoint region of the Ewing Sarcoma gene, but was found to be neutral related to EWS in a case-control study analyzing allele frequencies and linkage disequilibrium. PMID: 24112992
  8. Suggest that oxalate-induced activation of the renal IL-2Rbeta pathway may lead to a plethora of cellular changes, the most common of which is the induction of inflammation. PMID: 24523387
  9. Data indicate that both CgammaCR-CD127(+)composed of Interleukin-7 (IL-7) tethered to IL-7Ralpha/CD127, and CgammaCR-CD122(+) CD8(+) T((E/CM)) engraft in mice and persist in an absence of exogenous cytokine administration. PMID: 23628622
  10. Data suggest that cross-talk occurs between cAMP/PKA and the IL-2R beta/Jak3/Stat5b cascade in T-cells. PMID: 23341462
  11. Single nucleotide polymorphism in IL2RB is associated with lung cancer. PMID: 22573796
  12. The researchers found evidence that there were significant differences between the D22S1045 locus in the Maghreb population and other populations. PMID: 21674833
  13. Genetic variants of IL2RB may be associated with the development of acute rejection episodes and may help predict risk in kidney transplantation patients. PMID: 21839273
  14. LTR of the THE1D retroelement family has been domesticated as an alternative promoter of human IL2RB, the gene encoding the beta subunit of the IL-2 receptor. PMID: 21865161
  15. Lyn coimmunoprecipitates with the interleukin-2 beta receptor and JAK3 proteins in human T-cell leukemia virus type 1-infected T-cells. PMID: 21345943
  16. IL-15R alpha, which bears most of the binding affinity for IL-15, behaves as a potent IL-15 agonist by enhancing its binding and biological effects through the IL-15R beta/gamma heterodimer. PMID: 16284400
  17. Data show that co-expression of ZNF300 and Egr1 lead to enhanced IL-2Rbeta promoter activity, and suggest that ZNF300 is another regulator of the human IL-2Rbeta promoter. PMID: 20585888
  18. IL-2Rbeta is subject to ectodomain shedding generating an intracellular fragment biologically functional, because (i) it is phosphorylated, (ii) it associates with STAT5A, and (iii) it increases cell proliferation. PMID: 20495002
  19. Alternate signalling pathways from the interleukin-2 receptor PMID: 11750878
  20. Here we show, in four cell lines of human adult T cell lymphoma/leukemia origin, that the three IL-2R subunits are compartmented together with HLA glycoproteins and CD48 molecules in the plasma membrane PMID: 11856346
  21. SHB links IL2 receptor for signal transduction and mediates apoptosis PMID: 12200137
  22. Peptide p1-30, which is composed of the 30 amino-terminal residues of human interleukin-2, binds as a tetramer to the dimeric IL-2Rbeta2 receptor PMID: 12676936
  23. The development of breast tumour is associated with an increased expression of IL-2 receptor beta and this expression also seems to be associated with the malignancy of the tumour. PMID: 14680494
  24. Cultures in the presence of peptide epitopes to this receptor inhibited T cell proliferation. PMID: 15350462
  25. Interleukin-2 receptor beta-627*C homozygote and C allele correlate with higher susceptibility to endometriosis. PMID: 16084898
  26. location of the G245R polymorphism next to the proximal cytokine receptor homology segment; suggestive of a genetic association with the development of visceral leishmaniasis. PMID: 17108990
  27. these results indicate that precise sorting of IL-2Rbeta from early to late endosomes is mediated by Hrs, a known sorting component of the ubiquitin-dependent machinery, in a manner that is independent of UIM-ubiquitin binding PMID: 18445679
  28. study found PI3K & STAT5 signaling pathways are required for granulysin expression & IL-2Rbeta induction & IL-2Rbeta induction is a prerequisite for granulysin expression; both signaling pathways are defective in CD4+ T cells from HIV-infected patients PMID: 18490721
  29. Report the selective expansion of genetically modified T cells using an antibody/IL2RB receptor chimera. PMID: 18589435
  30. High serum IL-2R level is associated with peripheral T-cell lymphoma, unspecified. PMID: 18592269
  31. The uncleaved 12-kDa form of p12(I) resides in the ER and interacts with the beta and gamma(c) chains of the interleukin-2 receptor (IL-2R), the heavy chain of the major histocompatibility complex (MHC) class I, as well as calreticulin and calnexin. PMID: 18791162
  32. the preformed complexes between gamma c and IL-2Rbeta or IL-9Ralpha promote signaling by the JAK3 A572V mutant without ligand, identified in several human cancers. PMID: 18829468
  33. The C627T polymorphism in the IL2RB gene is not associated with risk of endometriosis in Korean women. PMID: 19602517

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Subcellular Location
Cell membrane; Single-pass type I membrane protein.
Protein Families
Type I cytokine receptor family, Type 4 subfamily
Database Links

HGNC: 6009

OMIM: 146710

KEGG: hsa:3560

STRING: 9606.ENSP00000216223

UniGene: Hs.474787

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