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Purified NA/LE Mouse Anti-Human TSLP Receptor

Purified NA/LE Mouse Anti-Human TSLP Receptor

Clone 1F11/TSLPR (also known as 1F11 and AB81_85.1F11)

Product Details
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BD Pharmingen™
CRL2; CRLF2; CRLF2Y; Cytokine receptor-like factor 2; IL-XR; TSLPR
Human (QC Testing)
Mouse IgG1, κ
Human TSLP Receptor Transfected Cell Line
Flow cytometry (Routinely Tested), Neutralization (Reported)
1.0 mg/ml
Aqueous buffered solution containing no preservative.

Preparation And Storage

Store undiluted at 4°C. This preparation contains no preservatives, thus it should be handled under aseptic conditions. The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.

Product Notices

  1. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
  2. Please refer to for technical protocols.
563154 Rev. 1
Antibody Details
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The 1F11/TSLPR monoclonal antibody specifically binds to Thymic Stromal Lymphopoietin Receptor (TSLPR). TSLPR is a member of the hematopoietin receptor superfamily and is also known as Cytokine Receptor-like Factor 2 (CRL2, CRLF2Y, CRLF2). The functional TSLPR complex consists of two subunits, TSLPR and the alpha subunit of the Interleukin-7 Receptor (IL-7Rα). Analysis of the TSLPR reveals sequence similarity with the common cytokine receptor gamma chain (γc; CD132). Functional TSLPRs are expressed by epithelial cells and a variety of hematopoietic cell types, including thymocytes, T cells, B cells, natural killer T cells, monocytes, macrophages, basophils, and dendritic cells (DC). Recent studies indicate that TSLP can activate multiple STAT (Signal Transducer and Activator of Transcription) signaling proteins. TSLP enhances the maturation and viability of DC. It strongly induces DC expression of the CD40 and CD80 costimulatory molecules and chemokines, e.g., TARC (Thymus and activation-regulated chemokine; CCL17) that can attract Th2 effector cells. TSLP supports B cell development. TSLP costimulates the proliferation of naïve T cells in the presence of mature DC. TSLP is also able to increase the sensitivity of T cell receptor-activated CD4+ T cells to low doses of IL-2. In the presence of TSLP, the acute myeloid leukemia-derived cell line, MUTZ-3, shows induced growth and reduced apoptosis. CRLF2 deregulated gene expression is thought to be involved in lymphoid transformation in B-cell precursor acute lymphoblastic leukemia. The 1F11/TSLPR antibody is reportedly a neutralizing antibody.

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Citations & References
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Development References (10)

  1. Arima K, Watanabe N, Hanabuchi S, Chang M, Sun SC, Liu YJ. Distinct signal codes generate dendritic cell functional plasticity. Sci Signal. 2010; 3(105):ra4. (Clone-specific: Neutralization). View Reference
  2. Ito T, Liu YJ, Arima K. Cellular and molecular mechanisms of TSLP function in human allergic disorders--TSLP programs the "Th2 code" in dendritic cells. Allergol Int. 2012; 61(1):35-43. (Biology). View Reference
  3. Lu N, Wang YH, Arima K, Hanabuchi S, Liu YJ. TSLP and IL-7 use two different mechanisms to regulate human CD4+ T cell homeostasis. J Exp Med. 2009; 206(10):2111-2119. (Biology). View Reference
  4. Pedroza-Gonzalez A, Xu K, Wu TC, et al. Thymic stromal lymphopoietin fosters human breast tumor growth by promoting type 2 inflammation. J Exp Med. 2011; 208(3):479-490. (Clone-specific: Neutralization). View Reference
  5. Quentmeier H, Drexler HG, Fleckenstein D, et al. Cloning of human thymic stromal lymphopoietin (TSLP) and signaling mechanisms leading to proliferation. Leukemia. 2001; 15(8):1286-1292. (Biology). View Reference
  6. Reche PA, Soumelis V, Gorman DM, et al. Human thymic stromal lymphopoietin preferentially stimulates myeloid cells. J Immunol. 2001; 167(1):336-343. (Biology). View Reference
  7. Rochman I, Watanabe N, Arima K, Liu YJ, Leonard WJ. Cutting edge: direct action of thymic stromal lymphopoietin on activated human CD4+ T cells. J Immunol. 2007; 178(11):6720-6724. (Biology). View Reference
  8. Russell LJ, Capasso M, Vater I, et al. Deregulated expression of cytokine receptor gene, CRLF2, is involved in lymphoid transformation in B-cell precursor acute lymphoblastic leukemia. Blood. 2009; 114(13):2688-2698. (Biology). View Reference
  9. Tedla N, Bandeira-Melo C, Tassinari P, et al. Activation of human eosinophils through leukocyte immunoglobulin-like receptor 7. Proc Natl Acad Sci U S A. 2003; 100(3):1174-1179. (Biology). View Reference
  10. Ziegler SF. Thymic stromal lymphopoietin and allergic disease. J Allergy Clin Immunol. 2012; 130(4):845-852. (Biology). View Reference
View All (10) View Less
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Comparisons, where applicable, are made against older BD Technology, manual methods or are general performance claims.  Comparisons are not made against non-BD technologies, unless otherwise noted.

For Research Use Only. Not for use in diagnostic or therapeutic procedures.