Biological beautifying preparation containing autologous stroma cells
A technology of autologous stromal cells and biocosmetic preparations, which is applied in the field of autologous biocosmetic preparations and preparation of autologous biocosmetic preparations, which can solve the problems of chemical reagent skin damage and allergies, affecting efficacy, nutritional components, etc., and achieve trauma and contracture scar repair Improvement, anti-aging repair improvement effect
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preparation example 1
[0047] Preparation Example 1 Preparation of human autologous plasma
[0048] Use 10ml EDTA anticoagulation blood collection tube (BD Company, USA) to extract 100ml anticoagulant meridian blood, centrifuge 10 10ml anticoagulant tubes at 1500 rpm for 5 minutes, use a 1ml pipette tip to suck and centrifuge the upper plasma and place it in a 50ml centrifuge tube , 40ml of autologous plasma was obtained and stored in the refrigerator at 4°C for later use.
preparation example 2
[0049] Preparation Example 2 Acquisition of Human Autologous Stromal Cells
[0050] Take 60ml of blood cells obtained from autologous plasma by centrifugation in Preparation Example 1, dilute with 60ml 1×PBS (pH value is 7.4), add it to the lymphatic separation solution, and conduct density gradient centrifugation at 1500rpm for 25min to obtain mononuclear cells, and use α-MEM medium. (containing 10% autologous plasma and 20ng / ml recombinant human basic fibroblast growth factor), resuspended at 3×10 6 cells / ml, added to 75cm 2 15ml in a culture flask, at 37°C, 5% CO 2 Grow in incubator for 48 hours.
[0051] After 48 hours, the culture medium was changed, the culture medium was discarded with a 10ml pipette, and 10ml of fresh α-MEM medium (containing 10% autologous plasma and 20ng / ml recombinant human basic fibroblast growth factor) was added, 75cm 2 The flask was kept at 37°C, 5% CO 2 Grow in incubator for 72 hours.
[0052] Stromal cells at 75cm after 72 hours 2 When ...
Embodiment 3
[0056] Example 3 Preparation of autologous stromal cell bio-cosmetic preparation
[0057] Take 5ml of the prepared autologous plasma, add 1ml of the prepared stromal cell fluid, and add 200ng / ml of growth factors, namely epidermal growth factor, basic fibroblast growth factor or keratin 18, and 200ng / ml of anti-inflammatory drugs. The oxidizing molecule is one of superoxide dismutase, placenta extract and ginkgo biloba extract.
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