<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.2d1 20170631//EN" "JATS-journalpublishing1.dtd"> <ArticleSet> <Article> <Journal> <PublisherName>aaspjournal</PublisherName> <JournalTitle>Journal of Asian Association of Schools of Pharmacy</JournalTitle> <PISSN>I</PISSN> <EISSN>S</EISSN> <Volume-Issue>Volume 2</Volume-Issue> <PartNumber/> <IssueTopic>Multidisciplinary</IssueTopic> <IssueLanguage>English</IssueLanguage> <Season>January - December, 2013</Season> <SpecialIssue>N</SpecialIssue> <SupplementaryIssue>N</SupplementaryIssue> <IssueOA>Y</IssueOA> <PubDate> <Year>-0001</Year> <Month>11</Month> <Day>30</Day> </PubDate> <ArticleType>Pharmacy</ArticleType> <ArticleTitle>Iron chelating activity of Pyoverdin PaII and pseudobactin 589 siderophores with plasma iron</ArticleTitle> <SubTitle/> <ArticleLanguage>English</ArticleLanguage> <ArticleOA>Y</ArticleOA> <FirstPage>269</FirstPage> <LastPage>279</LastPage> <AuthorList> <Author> <FirstName>Saengrawee</FirstName> <LastName>Sutthiparinyanont</LastName> <AuthorLanguage>English</AuthorLanguage> <Affiliation/> <CorrespondingAuthor>N</CorrespondingAuthor> <ORCID/> <FirstName>Chalerm</FirstName> <LastName>Ruangviriyachai</LastName> <AuthorLanguage>English</AuthorLanguage> <Affiliation/> <CorrespondingAuthor>Y</CorrespondingAuthor> <ORCID/> </Author> </AuthorList> <DOI/> <Abstract>Two kinds of siderophores produced from two bacterial species, Pseudomonas aeruginosa and P. putida, called pyoverdin PaII (pvd-PaII) and pseudobactin 589 (psdb-589), respectively. Both of them were investigated for their iron scavenging effects upon plasma iron and compared with commercial iron chelator named esferoxamine B (DFO-B) by malondialdehyde-2-thiobarbituric acid assay (MDA-TBA assay). These siderophores were produced by the optimized conditions using 6% sucrose, 0.4% L-asparagine and K2HPO4 with the incubation temperature at 25?C. They were isolated and purified by Amberlite XAD-4 and Bio-Gel P-2 columns. Each of siderphore-iron complexes was at the ratio of 1:1. The content of iron in plasma sample determined by atomic absorption spectrophotometer was in the range of 0.81- 1.68 ?g/ml. The iron scavenge was represented by the reduction of lipid peroxidation in plasma measured by MDATBA content. At the concentration of 35.8 ?M of 3 iron chelating agents, DFO-B, pvd-PaII and psdb589, could reduce the average lipid peroxidation in plasma (n = 6) by 11.2, 27.0 and 29.4%, respectively. The reduction of plasma MDA compared between pvd-PaII and psdb-589 or pvdPaII and DFO-B was not significantly different (p > 0.05). It can be concluded that the biological iron chelator of siderophore especially psdb-589 reveals capability to reduce iron which is the cause of lipid peroxidation in plasma.</Abstract> <AbstractLanguage>English</AbstractLanguage> <Keywords>Siderophore lipid peroxidation MDA-TBA assay</Keywords> <URLs> <Abstract>https://aaspjournal.org/ubijournal-v1copy/journals/abstract.php?article_id=5941&title=Iron chelating activity of Pyoverdin PaII and pseudobactin 589 siderophores with plasma iron</Abstract> </URLs> <References> <ReferencesarticleTitle>References</ReferencesarticleTitle> <ReferencesfirstPage>16</ReferencesfirstPage> <ReferenceslastPage>19</ReferenceslastPage> <References/> </References> </Journal> </Article> </ArticleSet>