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Dispase is a protease which cleaves fibronectin, collagen IV, and to a lesser extent collagen I. It is found in some bacteria and can be isolated from culture filtrates of Bacillus polymyxa. It can be extracted, purified, and used in research. It can be particularly useful to separate embryonic epithelia and mesenchyme. Dispase II is specific for the cleavage of leucine-phenylalanine bonds.
Thymus tissue dissociation reagent, kit and application thereof in obtaining thymus epithelial cells
PendingCN122256250ADissociation is effectiveenhance cell viabilityBlood/immune system cellsDNA - Deoxyribonucleic acidDispase
The application belongs to the technical field of biological medicine, and particularly relates to a thymus tissue dissociation reagent, a kit and application thereof in obtaining thymus epithelial cells. The thymus tissue dissociation reagent at least comprises collagenase D, dispersinase II, deoxyribonuclease I, dissociation enzyme and a dissolving reagent; and collagenase II and / or collagenase IV and / or trypsin. The cell survival rate of the thymus tissue dissociation reagent after dissociating the thymus tissue is maintained at a high level of 95.7% to 99.6%, which is significantly higher than that of the prior art; and after sorting, the number of thymus epithelial cells enriched and obtained from each gram of thymus tissue is 1.38e 5 ~1.06e 6 , and the success rate of enriching and obtaining thymus epithelial cells is as high as 95%, which is significantly higher than that of the prior art; and the proportion of epithelial stem cells in the thymus epithelial cells is 65.7%, which is significantly higher than that of the prior art.
Owner:CHONGQING INT INST OF IMMUNOLOGY