Models of Brain Aging and Agerelated Pathologies

The studies on aging of the human brain are hampered by the obvious difficulties of carrying out investigations on fresh samples. On the other hand, post-mortem material may provide erroneous information because of the different circumstances and factors that can affect the reliability of the data obtained. These include, first of all, the agonal state of the patient and the post-mortem delay in performing autopsy. Neurobiological, genetic, and molecular studies conducted in laboratory rodents or in vitro systems, have documented the vulnerability of selected pools of neurons and the changes occurring in several neural systems and molecular processing with advancing age. However, in order to get results matching as much as possible those that potentially can be found in the old human brain, some animal models have been developed. These models, though constituting abundant sources of fresh brain samples to be investigated, may be helpful in better delineating the mechanisms of

Animal Aging

physiological brain aging as well as the early pathogenic determinants of age-related diseases. In turn, testing of new therapeutic approaches to treat neurodegenerative diseases, such as AD, can be carried out on these models.

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Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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