Stem Cell Transplant Explored as Alzheimer's Disease Therapy

Work on stem cell transplants in rats is outlined here: "Alzheimer's disease (AD) has been called the disease of the century with significant clinical and socioeconomic impacts. Epidemiological studies point out that AD affects 5% of the population over 65, and, parallel with increasing lifespan, the incidence of disease will rise dramatically. Clinically AD is characterized by a progressive learning capacity impairment and memory loss, especially memories of recent events ... Adult neural tissues have limited sources of stem cells, which makes neurogenesis in the brain less likely. Stem cells transplantation seems to be a promising strategy for treatment of several central nervous system (CNS) degenerative diseases such as AD, amyotrophic lateral sclerosis (ALS), and Parkinson's disease ... The present study aims to evaluate the effect of bone marrow mesenchymal stem cells (MSCs) grafts on cognition deficit in chemically and age-induced Alzheimer's models of rats. ... Two months after the treatments, cognitive recovery was assessed ... Results showed that MSCs treatment significantly increased learning ability and memory in both age- and [chemical]-induced memory impairment. Adult bone marrow mesenchymal stem cells show promise in treating cognitive decline associated with aging and [nucleus basalis magnocellularis] lesions."

Link: http://dx.doi.org/10.1155/2012/369417

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