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. 2017 Aug 29;7:9590. doi: 10.1038/s41598-017-10287-0

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Polar metabolites in feces of the naked mole-rat. (a) Principal components analysis of GC-MS analysis of polar metabolites from the feces of naked mole-rat (NMR) and human samples (n = 5 each). The more distant the samples are in this graphic, the more their compound pattern differs. Naked mole-rat and human samples are separated on the level of principal component 1 which represents 58% of the variance; principle component 2 (10% variance) represents the variance within the replicates of one group. Clearly, naked mole-rat samples are far more distant to human samples than to each other. (b) Total ion current of GC-MS analyses of polar metabolites from the feces samples of naked mole-rat and human (n = 5 each). Top: Naked mole-rat replicates; Bottom: human sample replicates. Compound groups are labeled using brackets.