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HIV

Dosage of HIV Drug May Be Ineffective for Half of African-Americans
Many African-Americans may not be getting effective doses of the HIV drug maraviroc, a new study from Johns Hopkins suggests. The initial dosing studies included mostly European-Americans, who generally lack a protein that is key to removing maraviroc from the body.
   

epigenetics

Cancer Leaves a Common Fingerprint on DNA
Regardless of their stage or type, cancers appear to share a telltale signature of widespread changes to the so-called epigenome, according to a team of researchers.
 
 

Gregg in headset

Memories of Errors Foster Faster Learning
Using a deceptively simple set of experiments, researchers at Johns Hopkins have learned why people learn an identical or similar task faster the second, third and subsequent time around.
   

A two-photon microscopy image showing a calcium sensor (green), the nuclei of neurons (red) and supporting cells called astrocytes (magenta).

New Mapping Approach Lets Scientists Zoom In And Out As The Brain Processes Sound
Researchers at Johns Hopkins have mapped the sound-processing part of the mouse brain.
  
   

cell engulfs other cells

Molecular ‘Eat Now’ Signal Makes Cells Devour Dying Neighbors
A team of researchers has devised a Pac-Man-style power pellet that gets normally mild-mannered cells to gobble up their undesirable neighbors. The development may point the way to therapies that enlist patients’ own cells to better fend off infection and even cancer.
  

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