Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder accompanied by a reduction in cognition and memory. Till now, there is no definite cure for AD, although, there are treatments available that may improve some symptoms. Currently, in regenerative medicine stem cells are widely used, mainly for treating neurodegenerative diseases. There are numerous forms of stem cells to treat AD aiming at the expansion of the treatment methods for this particular disease. Since 10 years ago, science has gained abundant knowledge to treat AD by understanding the sorts of stem cells, methods, and phasing of injection. Besides, due to the side effects of stem cell therapy like the potentiation for cancer, and as it is hard to follow the cells through the matrix of the brain, researchers have presented a new therapy for AD. They prefer to use conditioned media (CM) that are full of different growth factors, cytokines, chemokines, enzymes, etc. without tumorigenicity or immunogenicity such as stem cells. Another benefit of CM is that CM could be kept in the freezer, easily packaged, and transported, and doesn’t need to fit with the donor. Due to the beneficial effects of CM, in this paper, we intend to evaluate the effects of various types of CM of stem cells on AD.
Graphical Abstract
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