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Human il 6 elisa kit

Manufactured by Solarbio
Sourced in China

The Human IL-6 ELISA kit is a quantitative sandwich enzyme immunoassay designed for the in vitro measurement of human interleukin-6 (IL-6) in serum, plasma, and cell culture supernatants. The kit utilizes a specific antibody coated on a 96-well plate to capture IL-6, and a detection antibody linked to an enzyme for colorimetric quantification.

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6 protocols using human il 6 elisa kit

1

Validating Differentially-Expressed Proteins by ELISA

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To confirm these differentially-expressed proteins, ELISA was performed for further verification. In total, 4 × 106 DFCs or iDFCs were grown on 150-mm culture plates and incubated overnight. Cells were washed with PBS and cultured with serum-free DMEM/F12 media. After 24 h treatment, supernatants were collected and centrifuged to remove the debris. Levels of IL-6, TGF-β1 and VEGF were determined using Human IL-6 ELISA kit (Solarbio, China), Human TGF-beta1 Quantikine ELISA Kit and Human VEGF Quantikine ELISA Kit (R&D Systems).
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2

Quantification of Cytokine Levels

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Concentration of cytokines were determined by using the human IL6 ELISA Kit (SEKH-0013, Solarbio, China) according to the manufacturer’s instructions. In brief, 100 µl of indicated NF medium was incubated with plates at 37℃ for 90 min. Then detection antibody, streptavidin-HRP and TMB were added in order. The absorbance of each well was measured at 450 nm with the SPARK 10 M spectrophotometer (Tecan, Austria).
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3

Cytokine and Macrophage Marker Detection

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Post treatment, the cultural supernatants of HUVECs in each group were collected and centrifuged at 1000 rpm for 2 min to remove cell debris. Supernatants were harvested for cytokine detection of MCP-1, sICAM-1, and sVCAM-1. The operation steps were strictly carried out according to the instructions of the ELISA kit (human MCP-1 ELISA kit: ab179886, Abcam; human sICAM-1 ELISA kit: 70-EK189-96, MultiSciences; human sVCAM-1 ELISA kit: DVC00, R&D Systems). In addition, ELISA was applied to detect M2 macrophage marker molecules (IL-10) and M1 macrophage marker molecules (IL-6 and TNF-α) in their corresponding supernatants, respectively, as per the instructions of the ELISA kit (human IL-10 ELISA kit: SEKH-0018; Solarbio; human IL-6 ELISA kit: SEKH-001; Solarbio; human TNF-α ELISA kit: SEKH-0047; Solarbio).
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4

Quantifying Inflammatory Factors

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At the end of cell incubation with MGO and the treatments, cell supernatants were collected. The levels of the three inflammatory factors in the supernatant were determined using the Human IL-6 ELISA Kit, Human IL-1ß ELISA Kit and Human TNF-α ELISA Kit (Solarbio). The specific steps are detailed in the manufacturer’s instructions.
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5

Quantification of Cytokine Levels in Cell Media

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ELISA assays were carried out using R&D Systems kits according to the manufacturer's protocols. Briefly, total protein concentrations in CM were measured using a BCA Protein Assay Kit (Solarbio Science & Technology, Beijing), then CM were diluted to suitable concentrations for measurements of IL-6, IL-8, and TNFα using the following ELISA kits: Human IL-6 ELISA Kit (Cat. No. VAL102, R&D Systems, USA), human IL-8 ELISA Kit (Cat. No. VAL103, R&D Systems, USA) and human TNFα ELISA Kit (Cat. No. VAL105, R&D Systems, USA). Absorbance at 450 nm was measured using a plate reader (Spectrostar Nano, BMG Labtech) and the concentrations of IL-6, IL-8, and TNFα in CM were calculated from the respective standard curves.
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6

Quantifying Inflammatory Cytokines and Proteases

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The secretion levels of interleukin (IL)-8 and IL-6 were examined by human IL-8 enzyme-linked immunosorbent assay (ELISA) kit (Solarbio, Beijing, China; SEKH-0016) and human IL-6 ELISA kit (Solarbio; SEKH-0013), respectively. All operations were strictly carried out in accordance with the instructions. immunofluorescence Cells were fixed with 4% paraformaldehyde for 10 min, permeabilized with 0.3% Triton X-100 and sealed with goat serum for 30 min. Cells were subsequently incubated overnight with antibodies against MMP13 (Proteintech, Wuhan, China; 1:500, 18165-1-AP) and AdAMTS5 (ABclonal, Wuhan, China; 1:200, A2836) for 2 h. Then, cells were incubated with the secondary antibody (Abcam; 1:3000, ab7090) for 1 h, and the nucleus was stained with DAPI (Sangon). Cells were subsequently sealed and observed under a fluorescence microscope (Olympus, Tokyo, Japan).
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