Category: Neuroscience
For All Media Coverage on – Gamma frequency entrainment attenuates amyloid load and modifies microglia
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One of our publications is highlighted as the Best of 2014 on mit.edu
Review: DNA Damage and Its Links to Neurodegeneration
The integrity of our genetic material is under constant attack from numerous endogenous and exogenous agents. The consequences of a defective DNA damage response are well studied in proliferating cells, especially with regards to the development of cancer, yet its precise roles in the nervous system are relatively poorly understood. Here we attempt to provide a comprehensive overview of the consequences of genomic instability in the nervous system. We highlight the neuropathology of congenital syndromes that result from mutations in DNA repair factors and underscore the importance of the DNA damage response in neural development. In addition, we describe the findings of recent studies, which reveal that a robust DNA damage response is also intimately connected to aging and the manifestation of age-related neurodegenerative disorders such as Alzheimer’s disease and amyotrophic lateral sclerosis.
Video Abstract
Neuroscientists find that limiting a certain protein in the brain reverses Alzheimer’s symptoms in mice
Limiting a certain protein in the brain reverses Alzheimer’s symptoms in mice, report neuroscientists at MIT’s Picower Intitute for Learning and Memory.
Researchers found that the overproduction of the protein known as p25 may be the culprit behind the sticky protein-fragment clusters that build up in the brains of Alzheimer’s patients. The work, which was published in the April 10 issue of Cell, could provide a new drug target for the treatment of the disease that affects more than five million Americans, says Li-Huei Tsai, director of MIT’s Picower Institute for Learning and Memory and senior author of the paper.
Drug Tweaks Epigenome to Erase Fear Memories
A hurricane, a car accident, a roadside bomb, a rape — extreme stress is more common than you might think, with an estimated 50 to 60 percent of Americans experiencing it at some point in their lives. About 8 percent of that group will be diagnosed with post-traumatic stress disorder, or PTSD. They will have flashbacks and nightmares. They will feel amped up, with nerves on a permanent state of high alert. They won’t be able to forget.
