Alzheimer's disease & dementia

Brain cholesterol regulates Alzheimer's plaques, study reveals

A team co-led by scientists at Scripps Research has used advanced imaging methods to reveal how the production of the Alzheimer's-associated protein amyloid beta (Aβ) in the brain is tightly regulated by cholesterol.

Medical research

Discovery points to new ways to kill aggressive cancer cells

Vanderbilt faculty and researchers are looking for the "Achilles' heel" of the cancer cells that survive initial chemotherapy. Michael King, chair of the Department of Biomedical Engineering, and Joshua D. Greenlee, graduate ...

Neuroscience

Structural protein may be new marker of depression

Scientists have zeroed in on a structural protein as a new target for the diagnosis and treatment of depression, according to research recently published in JNeurosci.

Immunology

Toxin floats on lipid rafts

Helicobacter pylori, the leading cause of peptic ulcer disease and stomach cancer. One factor important to H. pylori infection is the pore-forming toxin VacA. It is thought to gain entry into host cells by binding to specialized ...

Psychology & Psychiatry

Is ketamine a panacea for depression?

Researchers have long been intrigued by the antidepressant qualities of the club drug ketamine. Known on the street as "Special K," the drug is taken by partiers for its brief dissociative hallucinogenic effect, but it is ...

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