Human ST2 ELISA Kit (IL1RL1)
- Recombinant
- SimpleStep
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- Colorimetric Sandwich ELISA - 450 nm readout : works on any standard plate reader
- Design your own immunoassay: we also offer the conjugation-ready antibody pair
- sELISA
Supplier Data
Sandwich ELISA - Human ST2 ELISA Kit (IL1RL1) (AB254505)
10% Serum from ten individual healthy human male donors was measured in duplicate.
Interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean ST2 concentration was determined to be 12.42 ng/mL with a range of 7.16 – 20.19 ng/mL.
- sELISA
Supplier Data
Sandwich ELISA - Human ST2 ELISA Kit (IL1RL1) (AB254505)
10% Serum from ten individual healthy human female donors was measured in duplicate.
Interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean ST2 concentration was determined to be 10.13 ng/mL with a range of 5.18 – 15.85 ng/mL.
- sELISA
Supplier Data
Sandwich ELISA - Human ST2 ELISA Kit (IL1RL1) (AB254505)
Interpolated concentrations of native ST2 in human serum and plasma samples.
The concentrations of ST2 were measured in duplicates, interpolated from the ST2 standard curves and corrected for sample dilution. Undiluted samples are as follows : serum 50%, plasma (citrate) 50%, plasma (EDTA) 50% and plasma (heparin) 50%. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean ST2 concentration was determined to be 13.86 ng/mL in serum, 9.81 ng/mL in plasma (citrate), 12.62 ng/mL in plasma (EDTA), and 9.06 ng/mL in plasma (Heparin).
- sELISA
Supplier Data
Sandwich ELISA - Human ST2 ELISA Kit (IL1RL1) (AB254505)
Interpolated concentrations of native ST2 in human cell culture supernatant samples.
The concentrations of ST2 were measured in duplicates, interpolated from the ST2 standard curves and corrected for sample dilution. Undiluted samples are as follows : HUVEC cell culture supernatant 5%. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean ST2 concentration was determined to be 68.42 ng/mL in HUVEC cell culture supernatant.
- sELISA
Supplier Data
Sandwich ELISA - Human ST2 ELISA Kit (IL1RL1) (AB254505)
Example of human ST2 standard curve in Sample Diluent NS.
The ST2 standard curve was prepared as described in Section 10. Raw data values are shown in the table. Background-subtracted data values (mean +/- SD) are graphed.
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제품 세부 정보
Human ST2 ELISA Kit (IL1RL1) (ab254505) is a single-wash 90 min sandwich ELISA designed for the quantitative measurement of ST2 (IL1RL1) protein in cell culture supernatant, cit plasma, hep plasma, serum, edta plasma, and cell culture media. It uses our proprietary SimpleStep ELISA® technology. Quantitate Human ST2 (IL1RL1) with 22.06 pg/ml sensitivity.
SimpleStep ELISA® technology employs capture antibodies conjugated to an affinity tag that is recognized by the monoclonal antibody used to coat our SimpleStep ELISA® plates. This approach to sandwich ELISA allows the formation of the antibody-analyte sandwich complex in a single step, significantly reducing assay time. See the SimpleStep ELISA® protocol summary in the image section for further details. Our SimpleStep ELISA® technology provides several benefits:
- Single-wash protocol reduces assay time to 90 minutes or less
- High sensitivity, specificity and reproducibility from superior antibodies
- Fully validated in biological samples
- 96-wells plate breakable into 12 x 8 wells strips
A 384-well SimpleStep ELISA® microplate (ab203359) is available to use as an alternative to the 96-well microplate provided with SimpleStep ELISA® kits.
ST2, also known as or Interleukin 1 receptor-like 1 (IL-1RL1), is a protein encoded by the IL1RL1 gene. ST2 gene is a member of the interleukin 1 receptor family. ST2, interleukin 1 receptor, type II and interleukin 1 receptor like 2 form a cytokine receptor gene cluster in a region mapped to chromosome 2q12. Studies of the similar gene in mouse reported protein induction by pro-inflammatory stimuli with involvement in the function of helper T cells. ST2 is necessary for endotoxin tolerance by inhibiting TLR responses inducing the Th2 response. Human ST2 shares 68%, 64%, 66%, and 96% sequence homology with mouse, rat, bovine, and monkey, respectively.
Precision
Recovery
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추가 정보
This supplementary information is collated from multiple sources and compiled automatically.
Biological function summary
ST2 interacts with interleukin-33 (IL-33) and functions as its receptor. The binding of IL-33 to ST2 activates immune responses particularly influencing T-helper 2 (Th2) cells. ST2 forms part of a receptor complex including IL-1 receptor accessory protein IL-1RAcP necessary for signal transduction. This interaction leads to the activation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-kB) and mitogen-activated protein kinase (MAPK) signaling pathways facilitating inflammatory responses.
Pathways
IL-33 signals through the ST2 receptor participating actively in the immune signaling pathway. This pathway plays a significant role in modulating inflammatory and immune responses. ST2 association with NF-kB broadly affects inflammatory signaling while its involvement with the MAPK pathway aids in cellular responses to cytokines and stress. The close relationship with the IL-33/ST2 axis highlights its importance in maintaining immune homeostasis and reacting to environmental stressors.
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제품이 사용된 논문 (1)
Recent publications for all applications. Explore the 전체 목록 and refine your search
International journal of hematology 116:937-946 PubMed35994163
2022
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