Alzheimer’s disease can be divided into multiple subtypes based on gene expression patterns, investigators at the Mount Sinai School of Medicine reported in the Jan. 6, 2021, issue of Science Advances. The work, corresponding author Bin Zhang told BioWorld, is “the first major finding of subtypes in Alzheimer’s disease.”
Using an adenine base editor, researchers at the U.S. NIH, Vanderbilt University Medical Center and Harvard University have succeeded in treating the premature aging syndrome Hutchinson-Guilford progeria syndrome (progeria) in mice, extending the animals’ lifespan and preventing much of the vascular damage that is typically the cause of death in children with progeria.