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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.
   

cockroach drawing

Potent Spider Toxin 'Electrocutes' German, Not American, Cockroaches
Using spider toxins to study the proteins that let nerve cells send out electrical signals, Johns Hopkins researchers say they have stumbled upon a biological tactic that may offer a new way to protect crops from insect plagues in a safe and environmentally responsible way.
    

cartoon of ion cartoon

Cellular Gates for Sodium and Calcium Controlled by Common Element of Ancient Origins
Researchers at Johns Hopkins have spotted a strong family trait in two distant relatives: The channels that permit entry of sodium and calcium ions into cells turn out to share similar means for regulating ion intake, they say.
  

Zinc channel

Protons Power Protein Portal to Push Zinc Out of Cells
Researchers report they have deciphered the inner workings of a protein called YiiP that prevents the lethal buildup of zinc inside bacteria.
  
  

nerve axon shedding mitochondria

Neurons Get Their Neighbors To Take Out Their Trash
Biologists have long considered cells to function like self-cleaning ovens, recycling their own worn out parts as needed. But a new study shows that some eye nerve cells pass off their old energy-producing factories to neighboring support cells to be “eaten.”
 

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