A stem cell continuous harvest method was proposed. In this method, stem cells are partially detached. The remaining cells are continuously cultured by expansion in fresh culture medium.

The invention integrates a variety of technologies including stem cell proliferation, directed inductioncryopreservation in vitro. This integrated system was developed under chemical defined condition,can expand various type of stem cells over one hundred foldcan furtherly induce to specific mature cells up to ten millions. In addition, the amount of cryoprotectant can be significantly reduced to 2 in the cryopreservation system with excellent cell survival rate. This integrated system can provide a promisingvarious stem cell sources for cell therapyimmunotherapy.

Our previous studies suggested that increase Cisd2 levels may attenuate the pathogenesis of NAFLD/NASH. Accordingly, potent Cisd2 activators with the capacity to enhance Cisd2 levels were identified through the screening of skeletally diverse collections and structural optimization. So far BPRCD0001S0 is the most potent Cisd2 activator obtained, which has been studied extensively. Data obtained revealed that BPRCD0001S0 has no detectable toxicity in vivo, can activate Cisd2 in liver and ameliorate obese-related and fructose-induced NAFLD/NASH.