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. 2014 Dec 5;11:40. doi: 10.1186/s12950-014-0040-5

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© Yuan et al.; licensee BioMed Central Ltd. 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Representative electron micrographs of rat pulmonary microvasculature. A: Control group; B: LPS group; C: LPS plus Ginsenoside Rb1 group. Arrow: intercellular junction. In the Con group microvasculature was lined by a layer of endothelial cells, which exhibited a rather smooth inner face with occasionally occurring vesicles in the cytoplasm. An apparent alteration occurred in the ultrastructure of the endothelial cell, characterized by the increase in the gap of intercellular junctions in LPS group.