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Human tfpi quantikine elisa kit

Manufactured by R&D Systems
Sourced in China

The Human TFPI Quantikine ELISA Kit is a quantitative sandwich enzyme-linked immunosorbent assay (ELISA) designed to measure human Tissue Factor Pathway Inhibitor (TFPI) levels in cell culture supernates, serum, and plasma.

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2 protocols using human tfpi quantikine elisa kit

1

Mesenchymal Stem Cells TFPI Secretion

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Example 9

Thus, studies were conducted to search for the reason that the cell cultured in the present serum composition does not induce blood coagulation easily. The concentration of a tissue factor pathway inhibitor (TFPI), which is a strong anticoagulate factor secreted by cells and bound to the plasma membrane, in the culture supernatant of mesenchymal stem cells derived from human amnion membrane (passage number 4) and cultured in aMEM medium added with the present serum composition by 10% of the medium was measured using an ELISA kit (Human TFPI Quantikine ELISA Kit) (DTFP10, R&D systems). As the control, the culture supernatant of the same cells cultured in aMEM medium added with fetal bovine serum by 10% of the medium and these media before cell culture. The results are shown in Table 33.

TABLE 33
TFPI concentration (pg/ml)
culture of mesenchymal stem cellsnoneyes
derived from human amnion membrane
fetal bovine serumbelow detection45.1
sensitivity
present serum compositionbelow detection63.1
sensitivity

The mesenchymal stem cells derived from human amnion membrane cultured in the present serum composition secreted more TFPI as compared to fetal bovine serum. Thus, it was found that they do not easily induce blood coagulation.

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2

Comprehensive Biomarker Panel for Inflammatory Conditions

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The plasma concentrations of MPO, NETs (MPO/DNA complexes), tissue factor pathway inhibitor (TFPI), thrombin–antithrombin (TAT) complexes, tissue plasminogen activator (tPA), tissue factor (TF), vWF, beta-defensin 1, and complement components C3, C5, C5a, and sC5b-9 were measured via enzyme-linked immunosorbent assay (ELISA). Assays used were the High-Sensitivity Myeloperoxidase Human Assay Kit (Aviscera Bioscience, Santa Clara, CA, USA), Human Neutrophil extracellular traps ELISA Kit (Bioassay Technology Laboratory, Zheijang, China), Human TFPI Quantikine ELISA Kit (R&D Systems, Minneapolis, MN, USA), Human tPA ELISA Kit, Human TAT complex ELISA Kit, Tissue Factor ELISA Kit and Human VWF ELISA Kit (AssayMax, St. Charles, MO, USA), ELISA Kit for Defensin Beta 1, ELISA Kit for Complement Component 3, ELISA Kit for Complement Component 5, ELISA Kit for Complement Component 5a, and ELISA Kit for Terminal Complement Complex C5b-9 (Cloud-Clone Corp., Katy, TX, USA). ELISA was performed according to the manufacturer’s instructions and measured using the Tecan Infinite 200Pro (Tecan Group, Mannedorf, Switzerland). TF activity levels were determined using the Human Tissue Factor Chromogenic AssaySense Activity Assay Kit (AssayMax, St. Charles, MO, USA) and measured using the Tecan Infinite 200Pro (Tecan Group, Mannedorf, Switzerland).
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