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Article: Lipocalin 2-deficient mice exhibit increased sensitivity to Escherichia coli infection but not to ischemia-reperfusion injury

TitleLipocalin 2-deficient mice exhibit increased sensitivity to Escherichia coli infection but not to ischemia-reperfusion injury
Authors
KeywordsBacteriostatic
Kidney ischemia-reperfusion injury
24p3
NGAL
Issue Date2006
Citation
Proceedings of the National Academy of Sciences of the United States of America, 2006, v. 103, n. 6, p. 1834-1839 How to Cite?
AbstractDiverse functions have been reported for lipocalin 2. To investigate these functions in vivo, we generated gene-targeted lipocalin 2-deficient mice (Lcn2-/- mice). In vitro studies have suggested that lipocalin 2 is important for cellular apoptosis induced by IL-3 withdrawal, and for the induction of kidney differentiation during embryogenesis. Analysis of Lcn2 -/- mice showed normal cell death upon IL-3 withdrawal and normal kidney development. However, we found that Lcn2-/- mice exhibited an increased susceptibility to bacterial infections, in keeping with the proposed function of lipocalin 2 in iron sequestration. Neutrophils isolated from Lcn2-/- mice showed significantly less bacteriostatic activity compared with WT controls. The bacteriostatic property of the WT neutrophils was abolished by the addition of exogenous iron, indicating that the main function of lipocalin 2 in the antibacterial innate immune response is to limit this essential element. Another important function ascribed to lipocalin 2 has been its protective role against kidney ischemia-reperfusion injury. We analyzed Lcn2-/- mice using a mouse model for severe renal failure and could not detect any significant differences compared with their WT littermates. © 2006 by The National Academy of Sciences of the USA.
Persistent Identifierhttp://hdl.handle.net/10722/291749
ISSN
2023 Impact Factor: 9.4
2023 SCImago Journal Rankings: 3.737
PubMed Central ID
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorBerger, Thorsten-
dc.contributor.authorTogawa, Atsushi-
dc.contributor.authorDuncan, Gordon S.-
dc.contributor.authorElia, Andrew J.-
dc.contributor.authorYou-Ten, Annick-
dc.contributor.authorWakeham, Andrew-
dc.contributor.authorFong, Hannah E.H.-
dc.contributor.authorCheung, Carol C.-
dc.contributor.authorMak, Tak W.-
dc.date.accessioned2020-11-17T14:55:02Z-
dc.date.available2020-11-17T14:55:02Z-
dc.date.issued2006-
dc.identifier.citationProceedings of the National Academy of Sciences of the United States of America, 2006, v. 103, n. 6, p. 1834-1839-
dc.identifier.issn0027-8424-
dc.identifier.urihttp://hdl.handle.net/10722/291749-
dc.description.abstractDiverse functions have been reported for lipocalin 2. To investigate these functions in vivo, we generated gene-targeted lipocalin 2-deficient mice (Lcn2-/- mice). In vitro studies have suggested that lipocalin 2 is important for cellular apoptosis induced by IL-3 withdrawal, and for the induction of kidney differentiation during embryogenesis. Analysis of Lcn2 -/- mice showed normal cell death upon IL-3 withdrawal and normal kidney development. However, we found that Lcn2-/- mice exhibited an increased susceptibility to bacterial infections, in keeping with the proposed function of lipocalin 2 in iron sequestration. Neutrophils isolated from Lcn2-/- mice showed significantly less bacteriostatic activity compared with WT controls. The bacteriostatic property of the WT neutrophils was abolished by the addition of exogenous iron, indicating that the main function of lipocalin 2 in the antibacterial innate immune response is to limit this essential element. Another important function ascribed to lipocalin 2 has been its protective role against kidney ischemia-reperfusion injury. We analyzed Lcn2-/- mice using a mouse model for severe renal failure and could not detect any significant differences compared with their WT littermates. © 2006 by The National Academy of Sciences of the USA.-
dc.languageeng-
dc.relation.ispartofProceedings of the National Academy of Sciences of the United States of America-
dc.subjectBacteriostatic-
dc.subjectKidney ischemia-reperfusion injury-
dc.subject24p3-
dc.subjectNGAL-
dc.titleLipocalin 2-deficient mice exhibit increased sensitivity to Escherichia coli infection but not to ischemia-reperfusion injury-
dc.typeArticle-
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1073/pnas.0510847103-
dc.identifier.pmid16446425-
dc.identifier.pmcidPMC1413671-
dc.identifier.scopuseid_2-s2.0-32444442757-
dc.identifier.volume103-
dc.identifier.issue6-
dc.identifier.spage1834-
dc.identifier.epage1839-
dc.identifier.isiWOS:000235311300032-
dc.identifier.f10001030731-
dc.identifier.issnl0027-8424-

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