• Gut Microbes Affect Extent of Brain Injury After Stroke

Gut Microbes Affect Extent of Brain Injury After Stroke

Altering the intestinal microbiota of mice can reduce the extent of brain damage after a stroke, researchers found. These findings provide a previously unrecognized link between the intestine and the brain. The composition of the intestinal microbiome affects development of the immune system and metabolic processes, and is altered in

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  • A Brain Enzyme That Controls Satiety

A Brain Enzyme That Controls Satiety

Researchers identified a brain enzyme that regulates how much food mice eat in one sitting—deletion of this enzyme caused the mice to increase their food intake to the point of becoming obese. The results could provide new therapeutic target for human obesity. To study brain mechanisms that control meal size

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  • 5 Hospitalized and 1 Dead in Clinical Trial in France

5 Hospitalized and 1 Dead in Clinical Trial in France

Five men were hospitalized and 1 died after a drug trial in France, the country’s health minister announced on January 15. Marisol Touraine, the minister for social affairs, health, and women’s rights, said in a statement that her office was informed the evening of January 14 about a “serious accident”

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A Rare, Autoimmune Cause of Intractable Nausea and Vomiting

Some cases of unexplained, intractable vomiting are caused by an autoimmune disorder in which patients develop antibodies against the brain protein astrocytic aquaporin-4 (AQP4), according to the March issue of Clinical Gastroenterology and Hepatology. AQP4 is a water channel in the central nervous system. Antibodies against AQP4 cause neuromyelitis optica

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