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Active Plasminogen (Plg)

PL; Plasmin; Activation peptide; Angiostatin

ACTIVITY TEST

Plasminogen (Plg) can be converted into active plasmin by tissue plasminogen activator (tPA), urokinase plasminogen activator (uPA), kallikrein, and factor XII (Hageman factor). Plasmin can dissolve fibrin blood clots, act on many other processes such as embryonic development, tissue remodeling, inflammation and tumor invasion. Plasmint also can activates collagenases, weakens the walls of the Graafian follicle, cleaves fibrin, fibronectin, thrombospondin, laminin, and von Willebrand factor. Besides, Actin Beta (ACTb) has been identified as an interactor of Plg, thus a binding ELISA assay was conducted to detect the interaction of recombinant rat Plg and recombinant rat ACTb. Briefly, Plg were diluted serially in PBS, with 0.01% BSA (pH 7.4). Duplicate samples of 100uL were then transferred to ACTb-coated microtiter wells and incubated for 2h at 37℃. Wells were washed with PBST and incubated for 1h with anti-Plg pAb, then aspirated and washed 3 times. After incubation with HRP labelled secondary antibody, wells were aspirated and washed 3 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37℃. Finally, add 50µL stop solution to the wells and read at 450nm immediately. The binding activity of of Plg and ACTb was shown in Figure 1, and this effect was in a dose dependent manner.

USAGE

Reconstitute in 20mM Tris, 150mM NaCl (pH8.0) to a concentration of 0.1-1.0 mg/mL. Do not vortex.

STORAGE

Avoid repeated freeze/thaw cycles. Store at 2-8°C for one month. Aliquot and store at -80°C for 12 months.

STABILITY

The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37°C for 48h, and no obvious degradation and precipitation were observed. The loss rate is less than 5% within the expiration date under appropriate storage condition.

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Magazine Citations
International Journal of Molecular Sciences The Anticoagulant Effect of PGI2S and tPA in Transgenic Umbilical Vein Endothelial Cells Is Linked to Up-Regulation of PKA and PKC Mdpi: Source
J Anim Physiol Anim Nutr (Berl). Improved milk production through PG-PL system by provision of in-house shelter management in lactating Murrah buffaloes during winter season. pubmed:28084661
Neurotherapeutics iTRAQ-Based Quantitative Proteomics Reveals the New Evidence Base for Traumatic Brain Injury Treated with Targeted Temperature Management pubmed:29247448
Veterinarski Arhiv The influence of a modified micro-environment on stress and milk production through the plasminogen-plasmin system in Murrah buffaloes during the hot-humid … 10.24099:vet.arhiv.170113
Food Bioscience Reducing antigenicity of ¦Â-lactoglobulin, probiotic properties and safety evaluation of Lactobacillus plantarum AHQ-14 and Lactobacillus bulgaricus BD0390
Foods Antigenicity and Safety Evaluation of Lactiplantibacillus plantarum 7-2 Screened to Reduce α-Casein Antigen Pubmed:35010214
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