Medical research

Manufacturing spermatogonia stem cells

For species that rely on sexual reproduction, including mice and men, offspring can only happen if sperm from the male fertilize eggs from the female. Even artificial fertilization techniques depend on donors for both of ...

Medical research

How an egg cell's 'operating manual' sets the stage for fertility

Recently published work from Carnegie's Allan Spradling and Wanbao Niu revealed in unprecedented detail the genetic instructions immature egg cells go through step by step as they mature into functionality. Their findings ...

Medical research

Microbes in the gut may influence metabolism

The 10 trillion bacteria living in your digestive system may not be human, but they seem to be as integral to your body as your heart or liver. A growing number of studies are finding that microbes in the gut directly influence ...

Neuroscience

Bacteria in the gut have a direct line to the brain

With its 100 million neurons, the gut has earned a reputation as the body's "second brain"—corresponding with the real brain to manage things like intestinal muscle activity and enzyme secretions. A growing community of ...

Medical research

Bacteria in the gut may alter aging process, study finds

An international research team led by Nanyang Technological University, Singapore (NTU Singapore) has found that microorganisms living in the gut may alter the aging process, which could lead to the development of food-based ...

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