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TSLP Antibody
CATALOG NUMBER: 4021- Clonality: Polyclonal
- Tested Applications: ELISA, IHC-P, WB
- Host Species: Rabbit
- Species Reactivity: Human
- Conjugate: Unconjugated
- Size: 0.02 mg | 0.1 mg
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- HOST SPECIES: Rabbit
- SPECIES REACTIVITY: Human
- IMMUNOGEN: Anti-TSLP antibody (4021) was raised against a peptide corresponding to 17 amino acids near the carboxy terminus of human TSLP.
The immunogen is located within the last 50 amino acids of TSLP. - CONJUGATE: Unconjugated
- TESTED APPLICATIONS: ELISA, IHC-P, WB
- APPLICATION NOTE: WB: 0.25 - 2 μg/mL; IHC-P: 2.5 μg/mL.
Antibody validated: Western Blot in human samples; Immunohistochemistry and Immunocytochemistry in human samples. All other applications and species not yet tested. - POSITIVE CONTROL 1: Cat. No. 1205 - Jurkat Cell Lysate
- POSITIVE CONTROL 2: Cat. No. 1303 - Human Brain Tissue Lysate
- POSITIVE CONTROL 3: Cat. No. 10-301 - Human Brain Tissue Slide
- PREDICTED MOLECULAR WEIGHT: Predicted: 18 kD
Observed: 26 kD ( Post-modifications: 2 N-linked glycosylations).
Advanced Validation
- VALIDATION:
Recombinant Protein Validation (Figure 1): Anit-TSLP antibodies (4021) detected human TSLP recombinant protein at different concentrations.
Regulated Expression Validation (Figure 4-8): Anit-TSLP antibodies (4021) detected increased expression in multiple tissue or cells after treatment with cytokines or chemicals, in which the increase in the expression was inhibited by co-treatment with anti-cholinergic drugs (Figure 5).
- ISOFORMS: Human TSLP has 2 isoforms, including isoform 1 (159aa, 18kD) and isoform 2 (63aa, 7kD). Mouse TSLP has one isoform (140aa, 16kD) and rat TSLP also has one isoform (135aa, 16kD). 4021 can detect only human isoforms, but cannot detect mouse and rat TSLP.
Properties
- PURIFICATION: TSLP Antibody is affinity chromatography purified via peptide column.
- CLONALITY: Polyclonal
- ISOTYPE: IgG
- PHYSICAL STATE: Liquid
- BUFFER: TSLP Antibody is supplied in PBS containing 0.02% sodium azide.
- CONCENTRATION: 1 mg/mL
- STORAGE CONDITIONS: TSLP antibody can be stored at 4°C for three months and -20°C, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures.
Additional Info
- NCBI OFFICIAL SYMBOL: TSLP
- ADDITIONAL NAMES: TSLP Antibody: Thymic stromal lymphopoietin
- Protein Accession Number: NP_149024
- PROTEIN GI NUMBER: 14719428
- NCBI GENE ID NUMBER: 85480
- USER NOTE: Optimal dilutions for each application to be determined by the researcher.
Background
- TSLP Antibody: Thymic stromal lymphopoietin (TSLP) has recently been identified as an important factor capable of driving dendritic cell maturation and activation. TSLP is a four-helix-bundle cytokine that is expressed mainly by barrier epithelial cells and is a potent activator of several cell types such as myeloid dendritic cells. TSLP is involved in the positive selection of regulatory T cells, maintenance of peripheral CD4+ T cell homeostasis and the induction of CD4+ T cell-mediated allergic reaction. TSLP is also capable of supporting the growth of fetal liver and adult B cell progenitors and their differentiation to the IgM-positive stage of B cell development. Amino acid sequence analysis has shown poor homology between human and mouse TSLP although they exhibit similar biological functions and are expressed in similar tissues. At least two differentially spliced isoforms of TSLP are known to exist.
- 1: Ziegler and Liu. Nature Immunol. 2006; 7:709-14.
- 2: Sims et al. J. Exp. Med. 2000; 192:671-80.
- 3: Levin et al. J. Immunol. 1999; 162:677-83.
- 4: Quentmeier et al. Leukemia 2001; 15:1286-92.
Citations
- 1: Bjerkan et al. The short form of TSLP is constitutively translated in human keratinocytes and has characteristics of an antimicrobial peptide. Mucosal Immunol. 2015;8(1):49-56. PMID: PMID: 24850429.
- 2: Anzalone et al. IL-17A-associated IKK-α signaling induced TSLP production in epithelial cells of COPD patients. Exp Mol Med. 2018;50(10):131. PMID: PMID: 30291224.
- 3: Lin et al. Interleukin-32 induced thymic stromal lymphopoietin plays a critical role in the inflammatory response in human corneal epithelium. Cell Signal. 2018;49:39-45. PMID: PMID: 29803543.
- 4: Lin et al. Regulation of interleukin 33/ST2 signaling of human corneal epithelium in allergic diseases. Int J Ophthalmol. 2013;6(1):23-9. PMID: PMID: 23550226.
- 5: Allakhverdi et al. Mast Cell-Activated Bone Marrow Mesenchymal Stromal Cells Regulate Proliferation and Lineage Commitment of CD34(+) Progenitor Cells. Front Immunol. 2013;4:461. PMID: PMID: 24381572.
- 6: Li et al. Short ragweed pollen triggers allergic inflammation through Toll-like receptor 4-dependent thymic stromal lymphopoietin/OX40 ligand/OX40 signaling pathways. J Allergy Clin Immunol. 2011;128(6):1318-1325.e2. PMID: PMID: 21820713.
- 7: Zheng et al. TSLP and downstream molecules in experimental mouse allergic conjunctivitis. Invest Ophthalmol Vis Sci. 2010;51(6):3076-82. PMID: PMID: 20107175.
- 8: Ma et al. Human corneal epithelium-derived thymic stromal lymphopoietin links the innate and adaptive immune responses via TLRs and Th2 cytokines. Invest Ophthalmol Vis Sci. 2009;50(6):2702-9. PMID: PMID: 19151401.
- 9: Giulia Anzalone. IL-17A induces chromatin remodeling promoting IL-8 and TSLP release in bronchial epithelial cells. Effect of Tiotropium. University of Palermo. PhD Thesis. 2015. PMID:
- 10: Soma Tripathi. Reduced proliferation and increased TSLP expression by lung fibroblasts from COPD patients. University of Manitoba. MSc Thesis. 2013.PMID:
Disclaimer
- FOR RESEARCH USE ONLY
For additional information, visit ProSci's Terms & Conditions Page. - Disclaimer: Optimal dilutions/concentrations should be determined by the end user. The information provided is a guideline for product use. This product is for research use only.
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