Human Total IL-18/IL-1F4 Quantikine ELISA Kit

掲載日情報:2018/02/01 現在Webページ番号:206220

R&D Systems製のHuman Total IL-18/IL-1F4を測定するELISAキットです。
本製品は研究用です。研究用以外には使用できません。

[在庫・価格 :2024年05月02日 00時00分現在]

※ 表示されている納期は弊社に在庫が無く、取り寄せた場合の納期目安となります。
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Human Total IL-18/IL-1F4 Quantikine ELISA Kit
10日程度 ※ 表示されている納期は弊社に在庫がなく、取り寄せた場合の目安納期となります。 8
説明文
感度:5.15 pg/mL,測定範囲:15.60 - 1000 pg/mL,測定試料:Cell Culture Supernates (50 uL), Serum (17 uL), EDTA Plasma (17 uL), Heparin Plasma (17 uL), Saliva (25 uL), Urine (50 uL),種交差性:Human,検出方法:colorimetric,測定波長:450 nm,アッセイ法:Sandwich,アッセイ数:96,別売品コントロール:QC231,測定時間:4.0 hours,測定因子:IL-18/IL-1F4
別名:Iboctadekin
Genbank No: 3606
法規制等
保存条件 4℃ 法規備考
掲載カタログ

製品記事 Human Total IL-18/IL-1F4 Quantikine ELISA Kit
Helper T Cells Marker Antibodies
関連記事 R&D Systems Quantikine ELISA Kit/DuoSet Kit特集

[在庫・価格 :2024年05月02日 00時00分現在]

※ 表示されている納期は弊社に在庫が無く、取り寄せた場合の納期目安となります。

Human Total IL-18/IL-1F4 Quantikine ELISA Kit

文献数: 8

説明文 感度:5.15 pg/mL,測定範囲:15.60 - 1000 pg/mL,測定試料:Cell Culture Supernates (50 uL), Serum (17 uL), EDTA Plasma (17 uL), Heparin Plasma (17 uL), Saliva (25 uL), Urine (50 uL),種交差性:Human,検出方法:colorimetric,測定波長:450 nm,アッセイ法:Sandwich,アッセイ数:96,別売品コントロール:QC231,測定時間:4.0 hours,測定因子:IL-18/IL-1F4
別名:Iboctadekin
Genbank No: 3606
法規制等
保存条件 4℃ 法規備考
掲載カタログ

製品記事 Human Total IL-18/IL-1F4 Quantikine ELISA Kit
Helper T Cells Marker Antibodies
関連記事 R&D Systems Quantikine ELISA Kit/DuoSet Kit特集

Product Details

Assay Length
4.0 hours
Sample Type & Volume Required Per Well
Cell Culture Supernates (50 uL), Serum (17 uL), EDTA Plasma (17 uL), Heparin Plasma (17 uL), Saliva (25 uL), Urine (50 uL)
Sensitivity
5.15 pg/mL
Assay Range
15.6 - 1,000 pg/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma, Saliva, Urine)
Specificity
Natural and recombinant human Total IL-18.
Cross-reactivity
Cross-reactivity observed with 1 or more available related molecules.Cross-species reactivity observed with 1 or more species tested.
Interference
No significant interference observed with available related molecules.

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Product Summary

The Quantikine® Human Total IL-18/IL-1F4 Immunoassay is a 4.0 hour solid-phase ELISA designed to measure human IL-18 in cell culture supernates, serum, plasma, saliva, and urine. It contains E. coli-expressed recombinant human IL-18 and has been shown to accurately quantitate the recombinant factor free and in complex with IL-18 BPa. Results obtained using natural human IL-18 showed linear curves that were parallel to the standard curves obtained using the Quantikine® kit standards. These results indicate that this kit can be used to determine relative mass values for natural human IL-18.

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Precision

Intra-Assay Precision (Precision within an assay) Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in twenty separate assays to assess inter-assay precision. Assays were performed by at least three technicians using two lots of components

Cell Culture Supernates, Urine

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Recovery

The recovery of human Total IL-18 spiked to levels throughout the range of the assay in various matrices was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Media (n=4) 96 90-102
EDTA Plasma (n=4) 104 93-113
Heparin Plasma (n=4) 102 88-110
Saliva (n=4) 108 94-120
Serum (n=4) 100 96-105
Urine (n=4) 91 84-100

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Linearity

To assess the linearity of the assay, samples containing and/or spiked with high concentrations of human Total IL-18 were serially diluted with calibrator diluent to produce samples with values within the dynamic range of the assay.

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Additional Infomation

Entrez Gene IDs
3606 (Human); 16173 (Mouse); 29197 (Rat); 397057 (Porcine); 574151 (Primate)
Background
IL-18/IL-1F4
Interleukin 18 (IL-18), also known as interferon-gamma-inducing factor (IGIF) and IL-1γ, is a cytokine which shares biologic activities with IL-12 and structural similarities with the IL-1 family of proteins. IL-18 was originally cloned from liver cells and has since been shown to be expressed by monocyte/macrophages, osteoblasts and keratinocytes. Caspase-1 (IL-1 beta-converting enzyme) has been implicated in the physiological processing of pro-IL-18 to IL-18. Similarly to IL-12, human IL-18 has been shown to enhance NK cell activity in PBMC cultures. Human IL-18 has also been found to induce the production IFN-γ and GM-CSF while inhibiting the production of IL-10 by PBMC. On enriched human T cells, human IL-18 can enhance Th1 cytokine production and stimulate cell proliferation via an IL-2-dependent pathway. In the mouse system, IL-18 has been shown to be a costimulatory factor for the activation of Th1, but not Th2, cells. IL-18 was found to selectively enhance the FasL-mediated cytotoxicity of Th1, but not Th0 or Th2, cells. IL-18 has also been shown to induce activated B cells to produce IFN-γ that inhibits IgE production.

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