リポ多糖のコア領域の化学構造　　最新版

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タイトル別名
  • Chemical Structure of the Core Region of Lipopolysaccharides. An Update.
  • リポ タトウ ノ コア リョウイキ ノ カガク コウゾウ サイシンバン ガン エイブン

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Lipopolysaccharides (LPS) are the endotoxins of Gram-negative bacteria and very well known for their immunological, pharmacological and pathophysiological effects displayed in eucaryotic cells and organisms. To date, much emphasis has been put on the elucidation of the chemical structures of LPS and on their relation, or that of substructures, to the various biological effects. The lipid part of LPS, the lipid A, was proven to represent the toxic principle of endotoxin. However, lipid A toxicity depends strongly on its structure, and is influenced by a second region of LPS, the core region, that is covalently linked to lipid A. Also, the core region possesses immunogenic properties. Therefore, complete structural analyses of the core region and the comparison of its structures with biological features of LPS are of high importance for a better understanding of LPS action, and one prerequesite for strategies aimed at the treatment of endotoxicosis. In the past, quite a number of structures of the core regions from various Gram-negative bacteria were published and summarized in several overviews. The present review adds to this knowledge those structures that were published between October 1998 and December 2001.

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