Preparation method and application of mammal bone marrow intracellular fluid
A technology of bone marrow cells and mammals, applied in the field of clinical medicine, can solve the problems of cell proliferation regulation disorders, tumors, etc., and achieve the effect of no toxic side effects and obvious tumor inhibition
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[0019] A preparation method of mammalian bone marrow intracellular fluid (hereinafter referred to as: life-1) of the present invention comprises the following steps:
[0020] After the freshly isolated lower limb bones were disinfected with alcohol, the bone marrow cavity was opened, bone marrow cells were taken out, and normal saline was added for 10 8 ~10 9 cells / ml; then freeze and thaw repeatedly 4-6 times to lyse the bone marrow cells; then centrifuge at 10000-14000cpm for 20-40 minutes to separate the cell membrane from the intracellular fluid, and extract the surface supernatant (that is, the intracellular fluid); The supernatant was filtered through a 2um filter to achieve sterility, and the resulting filtrate was the intracellular fluid of mammalian bone marrow (life-1). Freshly isolated lower limb bones were obtained from 3-6 month old mammals. The intracellular fluid of mammalian bone marrow prepared by the invention is very effective in inhibiting tumors, has no ...
Embodiment 1
[0022] The preparation method of life-1 of the present invention comprises the following steps: after the fresh isolated femur is sterilized by alcohol, the bone marrow cavity is opened, the bone marrow cells are taken out, and normal saline is added for 10 8 Cells / ml, put them in the refrigerator and take them out after a few hours or longer. In this way, the bone marrow cells were lysed by repeated freezing and thawing 4 times. The filter is filtered to achieve sterility, and the resulting filtrate is life-1. The above freshly isolated femurs were from 3-month-old dogs.
Embodiment 2
[0024] The preparation method of life-1 of the present invention comprises the following steps: after the fresh isolated femur is sterilized by alcohol, the bone marrow cavity is opened, the bone marrow cells are taken out, and normal saline is added for 10 9 Cells / ml, put them in the refrigerator and take them out after a few hours or longer, so that the bone marrow cells are lysed by repeated freezing and thawing 6 times. The filter is filtered to achieve sterility, and the resulting filtrate is life-1. The above freshly isolated femurs were from 6-month-old dogs.
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