Construction method of human amniotic mesenchymal stem cell bank
A quality stem cell and construction method technology, applied in animal cells, vertebrate cells, bone/connective tissue cells, etc., can solve the ethical limitation or limited number of stem cells, etc., to achieve low cost of building a bank, a wide range of sources, and simple operation. row effect
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Embodiment 1
[0031] like figure 1 As shown, (P0-P5) is an inverted microscope (×40) image of primary cultured HAMSCs.
[0032] like figure 2 As shown, the cell growth curve of amnion-derived MSCs: the HAMSCs of the third generation were divided into 2×10 4 Cells / well were seeded in a 24-well plate, 3 wells were digested every 24 hours, the cells were collected, and the living cells were counted after staining with 0.4% trypan blue, and the average value of 5 results was taken to draw the growth curve.
[0033] The construction method of the human amniotic mesenchymal stem cell bank of the present invention comprises the following steps:
[0034] (1) Isolation of human amniotic mesenchymal stem cells and preparation of single cell suspension
[0035] Under sterile conditions, the amniotic membranes donated by normal full-term caesarean section mothers were collected; ABO / Rh blood group testing, HLA typing testing and microbiological testing were performed; hepatitis A antibody, hepatit...
Embodiment 2
[0049] The construction method of the human amniotic mesenchymal stem cell bank of the present invention comprises the following steps:
[0050] (1) Isolation of human amniotic mesenchymal stem cells and preparation of single cell suspension
[0051] Under sterile conditions, the amniotic membranes donated by normal full-term caesarean section mothers were collected; ABO / Rh blood group testing, HLA typing testing and microbiological testing were performed; hepatitis A antibody, hepatitis B virus surface antigen, and hepatitis B virus surface were detected Antibody, hepatitis B virus e antigen, hepatitis B virus e antibody, hepatitis B core antibody IgM, hepatitis C antibody, hepatitis E antibody, HIV antibody, Treponema pallidum antibody and other relevant infectious indicators were all negative; Bluntly separate the amniotic membrane 5×5cm from the umbilical cord surface of the placenta on a sterile ultra-clean bench 2 , wash thoroughly with PH7.2 phosphate buffer solution (...
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