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image: Opioid Receptors Implicated in PTSD

Opioid Receptors Implicated in PTSD

By | June 7, 2013

A compound that targets a particular opioid receptor in the amygdala reduces the formation of PTSD-like systems in mice subjected to severe trauma.

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image: Why Many Birds Don’t Have Penises

Why Many Birds Don’t Have Penises

By | June 7, 2013

In avian species, a gene induces programmed cell death during development in the area where a phallus would otherwise grow.

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image: Bird Flu Mutation Risk

Bird Flu Mutation Risk

By | June 6, 2013

Some H5N1 and H7N9 bird flu viruses could be one mutation away from spreading efficiently between humans.

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image: Muscle Disease Gene Identified in Fish

Muscle Disease Gene Identified in Fish

By | June 4, 2013

Scientists discover gene behind an inherited muscle disorder by studying zebrafish embryos.

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image: Loss of Potential

Loss of Potential

By | June 1, 2013

In the fruit fly, the ability of neural stem cells to make the full repertoire of neurons is regulated by the movement of key genes to the nuclear periphery.

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image: Gene Transfer Beats Some Flu Strains

Gene Transfer Beats Some Flu Strains

By | May 31, 2013

Mice and ferrets are protected from several deadly viruses when genes encoding “broadly neutralizing antibodies” are delivered into their nasal passages.

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Malaria parasites transmitted via mosquitoes elicit a more effective immune response and cause less severe infection than those directly injected into red blood cells.

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image: Inhibit Mitochondria to Live Longer?

Inhibit Mitochondria to Live Longer?

By | May 22, 2013

Researchers find that reducing mitochondrial protein production in some animals can increase lifespan by activating a protective stress response.

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image: Macrophages Drive Regeneration

Macrophages Drive Regeneration

By | May 22, 2013

The activity of one type of immune cell helps regrow the limbs of amputated salamanders.

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image: Vitamin C Slays TB Bacteria

Vitamin C Slays TB Bacteria

By | May 21, 2013

The essential nutrient can kill drug-resistant Mycobacterium tuberculosis by producing oxidative radicals that damage DNA.

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