Method for preparing matrix-induced autologous bone mesenchymal stem cell composite scaffold
A technology of bone marrow mesenchymal and composite scaffolds, which is applied in the field of preparation of autologous bone marrow mesenchymal stem cell composite scaffolds, can solve the problems of poor detection accuracy and insufficient sensitivity, reduce the number of operations, reduce treatment costs, and facilitate passage and expansion. Increased effect
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[0037] The invention discloses a preparation method of a matrix-induced autologous bone marrow mesenchymal stem cell composite scaffold. The specific steps are:
[0038] (1) Under sterile conditions, use a 20ml syringe to draw 1ml of heparin sodium saline into the syringe, and then continue to use the syringe to draw 9ml of bone marrow. After removing the needle, add 10ml of heparin sodium saline and bone marrow. In the culture bottle of DMEM high glucose medium, after mixing evenly, obtain the bone marrow suspension;
[0039] (2) Under sterile conditions, take 100-200ml of peripheral blood from the patient, put it in a blood bag, and seal it;
[0040] (3) Divide the patient's peripheral blood into 50ml centrifuge tubes, 45ml per tube, centrifuge at 3000rpm for 30min, take the supernatant, centrifuge at 3000rpm for 30min, remove the precipitate, and 0.22μm pore size filter sterilization to obtain autologous serum, which is packed for use;
[0041] (4) Slowly add the bone mar...
Embodiment 1
[0058] The invention discloses a preparation method of a matrix-induced autologous bone marrow mesenchymal stem cell composite scaffold. The specific steps are:
[0059] (1) Under sterile conditions, use a 20ml syringe to draw 1ml of heparin sodium saline into the syringe, and then continue to use the syringe to draw 9ml of bone marrow. After removing the needle, add 10ml of heparin sodium saline and bone marrow. In the culture bottle of DMEM high glucose medium, after mixing evenly, obtain the bone marrow suspension;
[0060] (2) Under sterile conditions, take 150ml of peripheral blood from the patient, put it in a blood bag, and seal it;
[0061] (3) Divide the patient's peripheral blood into 50ml centrifuge tubes, 45ml per tube, centrifuge at 3000rpm for 30min, take the supernatant, centrifuge at 3000rpm for 30min, remove the precipitate, and 0.22μm pore size filter sterilization to obtain autologous serum, which is packed for use;
[0062] (4) Slowly add the bone marrow ...
Embodiment 2
[0079] The invention discloses a preparation method of a matrix-induced autologous bone marrow mesenchymal stem cell composite scaffold. The specific steps are:
[0080] (1) Under sterile conditions, use a 20ml syringe to draw 1ml of heparin sodium saline into the syringe, and then continue to use the syringe to draw 9ml of bone marrow. After removing the needle, add 10ml of heparin sodium saline and bone marrow. In the culture bottle of DMEM high glucose medium, after mixing evenly, obtain the bone marrow suspension;
[0081] (2) Under sterile conditions, take 150ml of peripheral blood from the patient, put it in a blood bag, and seal it;
[0082] (3) Divide the patient's peripheral blood into 50ml centrifuge tubes, 45ml per tube, centrifuge at 3000rpm for 30min, take the supernatant, centrifuge at 3000rpm for 30min, remove the precipitate, and 0.22μm pore size filter sterilization to obtain autologous serum, which is packed for use;
[0083] (4) Slowly add the bone marrow ...
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