BMP signaling mediates effects of exercise on hippocampal neurogenesis and cognition in mice.

PLoS One · 2009 · PMC2759555 · PMID 19841742

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showed a trendno p-value reported

However wild type mice infused with noggin showed a trend toward greater numbers of nestin+cells, and mice infused with AraC or noggin + AraC showed non-significant trends toward decreased numbers.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.