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Human il 6 elisa kit

Manufactured by R&D Systems
Sourced in United States

The Human IL-6 ELISA Kit is a quantitative sandwich enzyme immunoassay designed for the measurement of human interleukin-6 (IL-6) levels in cell culture supernatants, serum, and plasma samples. The kit utilizes a specific antibody coated on a microplate to capture IL-6, which is then detected using a conjugated detection antibody.

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44 protocols using human il 6 elisa kit

1

Quantifying IL-6 in SEV Samples

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The amount of IL-6 in the culture medium of THP-1 cells treated with SEVs was determined using a human IL-6 ELISA kit (R&D Systems, Inc, Minneapolis, MN, USA) IL-6 protein levels were also analyzed in MM1.S- and SW480-derived SEV protein lysates. The ELISA assay was performed according to the manufacturer’s instructions.
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2

Mechanosensitive Cytokine Secretion

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HAECs were exposed to OSS (± 5 dyn/cm2) in the presence or absence of 5 and 10 μM G1 for 24 h. Cell culture media was collected to analyze the secretions of IL-6, IL-1β, and MCP-1. Concentrations of these proteins were assayed by ELISA using commercial kits from R&D Systems in accordance with the manufacturer’s instructions: human IL-6 ELISA kit (#D6050), human IL-1β ELISA kit (#DLB50), and human MCP-1 ELISA kit (#DCP00), human VCAM-1 ELISA kit (#DY809), human E-selectin ELISA kit (#DY724).
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3

Cytokine Expression Analysis in Mouse and Human Cells

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The mouse ATDC5 cells and human C28I2 cells were inoculated in 24‐well culture plates. After treated with LPS and OI, the supernatant was centrifuged for 10 min at 1000 g and 4°C. The samples were diluted twice and analysed according to the specifications of ELISA Kits, including Mouse Il‐6 ELISA Kit (VAL604, Novus), Mouse Mcp‐1 ELISA Kit (ab100721, Abcam), Mouse Il‐10 ELISA Kit (VAL605, Novus), Mouse Tnf‐α ELISA Kit (VAL609, Novus), Human IL‐6 ELISA Kit (QK206 R&D Systems) and Human TNF‐α ELISA Kit (NBP1‐91170, Novus).
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4

Supernatant ELISA for IL-6 Quantification

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Cell supernatant was centrifuged at 3000 rpm for 5 min, and then, the supernatant was collected and stored at −80℃ until analyses. IL‐6 protein level was evaluated with human IL‐6 ELISA kit (R & D Systems, USA) according to the manufacturer's instructions.
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5

Polycationic Agents Modulate IL-6 in Keratinocytes

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Primary neonatal human epidermal keratinocytes (NHEKs) were purchased from Invitrogen. NHEKs were grown in serum free EpiLife medium supplemented with 0.06 mM CaCl2, EpiLife Defined growth supplements (EDGS) (Invitrogen) and antibiotics, and passage 4–6 cells were used for experiment. Cells at 60%–80% confluence were starved overnight without EDGS prior to treatment. NHEKs were treated with polycationic agent/peptide (10 ug/mL) or vehicle control mixed with poly(I:C) (0.3 ug/mL) for 6 hrs (RTqPCR) and 18 hrs (ELISA). IL-6 protein volume using supernatant for NHEKs after indicated stimulation were measured by human IL-6 ELISA kit (R&D systems, Minneapolis, MN) per manufacturer’s protocol. All stimulation experiments were done in triplicate. IL-6 release for each polycation-dsRNA complex was normalized relative to control stimulation and reported in Table S1.
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6

Western Blot Analysis of PDCD4 in Multiple Myeloma

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Cells were lysed in radioimmunoprecipitation assay (RIPA) buffer in the presence of proteinase inhibitor (Biocolor BioScience & Technology Company, Shanghai, China). Cell lysates (30 μg) were denatured in Laemmli sample buffer (Bio-Rad) for 5 min at 95.1°C, separated by 10% SDS-PAGE and transferred to nitrocellulose membranes. Membranes were blocked with 5% (w/v) fat-free milk in phosphate-buffered saline (PBS) and 0.5% (v/v) Tween-20 for 1 h, and then incubated with anti-PDCD4 antibody (Cell Signaling Technology) at room temperature for 2 h. After washing, membranes were incubated with horseradish peroxidase-conjugated secondary antibody. Signals were visualized with enhanced chemiluminescence (ECL) (BeyoECL Plus, Beyotime), and analyzed using a BI-2000 system (Beyotime, Haimen, Jiangsu province, China),.
RPMI-8266 and U226 cells were treated with 75 μM and 120 μM BB, respectively.
IL6 protein levels in supernatants were determined using a human IL6 ELISA kit (R&D Systems).
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7

Quantifying IL-6 Secretion in Cultured Cells

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IL-6 concentration in the culture supernatants was determined using a human IL-6 ELISA kit according to manufacturer’s instructions (R & D Systems, Cat# D6050). Plates were read using a Synergy H1 Hybrid Plate Reader (Biotek Instruments, VT). The sensitivity of the assay was 0.7 pg IL-6/ml.
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8

Measuring Inflammatory Markers in Acute Pancreatitis

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The levels of CRP in the serum of patients with AP and HCs were measured using a Human C-Reactive Protein ELISA kit (cat. no. CYT298; Merck KGaA). The levels of TNF-α and IL-6 in the serum of patients with AP were measured using a Human TNF-α Quantikine ELISA kit (cat. no. DTA00C; R&D Systems, Inc.) and Human IL-6 ELISA kit (cat. no. LS-F29154; LifeSpan BioSciences, Inc.). All processes were performed according to the manufacturers' protocols.
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9

Quantifying FDP-lysine Adducts in Plasma

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PC-Acro [Nε-(3-formyl-3,4-dehydropiperidino)-lysine (FDP-lysine) in protein] was determined by the method of Uchida et al. [22] (link) using ACR-LYSINE ADDUCT ELISA SYSTEM (NOF Corporation) and 0.01 ml plasma.IL-6 and CRP were measured using human IL-6 ELISA kit (R & D Systems) and N-assay LA CRP-S kit (Nittobo), respectively, according to the manufacturer's protocol.
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10

Quantifying Interleukin-6 in Culture

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Concentrations of IL-6 in the culture medium were determined using a human IL-6 ELISA kit (R&D Systems, Minneapolis, MN, USA) according to the manufacturer’s protocol. Concentrations of IL-6 were determined by comparison of the optical density results with the standard curve.
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