Source:http://linkedlifedata.com/resource/pubmed/id/21622001
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
13
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pubmed:dateCreated |
2011-6-24
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pubmed:abstractText |
The benzo[a]phenoxazine derivative, SSJ-183 has shown excellent anti-malarial efficacy and safety. However, its mechanism of action is unclear. We investigated the effect of SSJ-183 on the rodent malarial parasite, Plasmodium berghei. We analyzed changes in protein expression in the erythrocytic cycle of P. berghei with or without 18 h of SSJ-183 treatment by two-dimensional gel electrophoresis. We confirmed results with matrix-assisted laser desorption/ionization quadrupole ion trap time-of-flight tandem mass spectrometry. After treatment, seven main proteins were significantly down-regulated, and two were up-regulated; results were reproduced in three independent tests. Some of these proteins were hypothetical parasite proteins or unnamed host products. However, three proteins were identified as a heat shock protein, a disulfide isomerase precursor, and berghepain-2 from P. berghei. All three showed reduced expression after SSJ-183 treatment. This suggested that SSJ-183 was a good anti-malarial drug candidate because it targeted parasite chaperone proteins.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Antimalarials,
http://linkedlifedata.com/resource/pubmed/chemical/Heat-Shock Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Oxazines,
http://linkedlifedata.com/resource/pubmed/chemical/Protein Disulfide-Isomerases,
http://linkedlifedata.com/resource/pubmed/chemical/Proteome,
http://linkedlifedata.com/resource/pubmed/chemical/Pyridines
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pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
1464-3391
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pubmed:author | |
pubmed:copyrightInfo |
Copyright © 2011 Elsevier Ltd. All rights reserved.
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pubmed:issnType |
Electronic
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pubmed:day |
1
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pubmed:volume |
19
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
4144-7
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pubmed:meshHeading |
pubmed-meshheading:21622001-Animals,
pubmed-meshheading:21622001-Antimalarials,
pubmed-meshheading:21622001-Electrophoresis, Gel, Two-Dimensional,
pubmed-meshheading:21622001-Heat-Shock Proteins,
pubmed-meshheading:21622001-Mice,
pubmed-meshheading:21622001-Oxazines,
pubmed-meshheading:21622001-Plasmodium berghei,
pubmed-meshheading:21622001-Protein Disulfide-Isomerases,
pubmed-meshheading:21622001-Proteome,
pubmed-meshheading:21622001-Pyridines,
pubmed-meshheading:21622001-Spectrometry, Mass, Matrix-Assisted Laser...
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pubmed:year |
2011
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pubmed:articleTitle |
Plasmodium berghei proteome changes in response to SSJ-183 treatment.
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pubmed:affiliation |
Drug Discovery Science Research Center, Hoshi University, Shinagawa, Tokyo, Japan.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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