Application of Compounds Containing Single Pentasaccharide Building Blocks in Cell Culture
A structural unit, cell culture technology, applied in the direction of cell culture active agent, animal cells, vertebrate cells, etc., can solve the problems of different molecular weight of heparin, non-uniform activity, difficult quality control, etc., to promote cell proliferation and composition. Clear, nurturing stable effects
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[0101] The preparation method of the IL medium in the following examples: add each component of the medium to a part of the basal medium to dissolve, and continue to add the basal medium to make up to 1L.
[0102] During the experiment, the inventors studied the addition amount of heparin sodium (CAS No.: 9041-08-1), and mainly studied the proliferation performance of cells when the addition amount of heparin sodium in each medium was 100-400ng / mL. The results showed that when the amount of heparin sodium added was 300ng / mL, the proliferation effect was the best. Therefore, in the following examples, the optimal addition amount of heparin sodium is 300 ng / mL as a comparison, and the effect of each compound in the present invention on cell culture is investigated.
Embodiment 1
[0104] Effects of fondaparinux sodium (CAS No.: 104993-28-4) on the proliferation performance of human pluripotent stem cells
[0105] The formulations of human pluripotent stem cell (iPSC) medium in different groups are shown in Table 1. According to the MTT method, the survival rate of human iPSC in each medium was detected, and the results are shown in Table 2 and figure 1 shown.
[0106] Table 1 Composition ratio of pluripotent stem cell culture medium
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[0108] Table 2 Human iPSC cell viability
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[0111] Remarks: Take the second group as the control, and carry out the calculation of the P value in the independent sample T test.
[0112] from Table 2 and figure 1It can be seen that the proliferation rate of human iPSCs in the medium supplemented with sodium heparin and fondaparinux is much higher than that in the medium without this component. And the proliferation rate of human iPSCs in the medium supplemented with fondaparinux was a...
Embodiment 2
[0114] On the basis of Example 1, the addition amount of fondaparinux sodium was adjusted, and the effect of its concentration on the proliferation rate of human iPSC was investigated.
[0115] The composition of human pluripotent stem cell (iPSC) medium of different groups is shown in Table 3. According to the MTT method, the survival rate of human iPSC in each medium was detected, and the results are shown in Table 4 and figure 2 shown.
[0116] Table 3 Composition ratio of human pluripotent stem cell culture medium
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[0119] Table 4 Human iPSC cell viability
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[0121] Remarks: Take the second group as the control, and carry out the calculation of the P value in the independent sample T test.
[0122] According to Table 4 and figure 2 It can be seen that in the range of 1-350nM, the cell proliferation is more favorable as the concentration of fondaparinux sodium increases, but when the concentration of fondaparinux sodium is 1nM, the e...
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