Neuroscience

Metabolism in the brain fluctuates with circadian rhythm

(Medical Xpress)—The rhythm of life is driven by the cycles of day and night, and most organisms carry in their cells a common, (roughly) 24-hour beat. In animals, this rhythm emerges from a tiny brain structure called ...

Medical research

How mitochondrial DNA defects cause inherited deafness

(Medical Xpress) -- Yale scientists have discovered the molecular pathway by which maternally inherited deafness appears to occur: Mitochondrial DNA mutations trigger a signaling cascade, resulting in programmed cell death. ...

Genetics

A brighter future for infertility treatment: study

(Medical Xpress) -- Male infertility could soon have a boost through new treatments at a sub-DNA 'epigenetic' level, according to researchers from The Australian National University.

Oncology & Cancer

Cancer's sweet tooth may be its weak link

Researchers at Albert Einstein College of Medicine of Yeshiva University have discovered that cancer cells tap into a natural recycling system to obtain the energy they need to keep dividing. In a study with potential implications ...

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