How sleeping mammary stem cells are awakened in puberty

Walter and Eliza Hall Institute researchers have discovered how the growth of milk-producing mammary glands is triggered during puberty.Sleeping stem cells in the mammary gland are awoken by a protein dubbed FoxP1, according ...

Mapping the inner workings of a living cell

Imaging tools like X-rays and MRI have revolutionized medicine by giving doctors a close up view of the brain and other vital organs in living, breathing people. Now, Columbia University researchers report a new way to zoom ...

Why are some animals venomous?

Some animals, such as venomous snakes and insects, can use venom for predation or defense, which is an ability that has been developed through millions of years. And the evolution continues – partly due to an increasing ...

Shining new light on the pineal gland

When zebrafish lack a specific protein, the two hemispheres of the brain develop symmetrically, and the sleep hormone melatonin is not produced. These results were recently published by Freiburg biologists Theresa Schredelseker ...

Embryonic mammary gland stem cells identified

Research team led by Prof. Cédric Blanpain has identified the mechanisms that regulate mammary gland development. Using a combination of lineage tracing, molecular profiling, single cell sequencing and functional experiments, ...

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