Tag Archives: Laboratory of Molecular Biology

A possible explanation for why male mice tolerate stress better than females

A possible explanation for why male mice tolerate stress better than femalesRockefeller scientists have described a molecular mechanism that may explain in part why anxiety levels vary between the sexes. The research team identified a molecule that halts the action of a stress-inducing hormone—but it only does so in male mice. More »

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Nathaniel Heintz and Stanislas Leibler elected to the National Academy of Sciences

Nathanial Heintz and Stanislas Leibler elected to the National Academy of SciencesHeintz, who studies the inner workings of the mammalian brain, and Leibler, who explores questions related to how simple genetic and biochemical networks function, are among the new members and foreign associates to be inducted into the Academy. With Heintz and Leibler’s election, Rockefeller now boasts 37 members or foreign associates of the National Academy of Sciences among its current faculty.

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Study reveals new mechanism in nicotine addiction

Study reveals new mechanism in nicotine addictionTwo chemical signals, acetylcholine and glutamate, were known to act as part of the negative reward system that fuels craving, but it wasn’t clear how this happened. In new experiments, researchers have learned that one of these neurotransmitters, acetylcholine, regulates the other, glutamate, to reinforce nicotine dependence. More »

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