Abstract:
BACKGROUND:The pancreatic islet damage that occurs through an inflammatory response and hypoxia after infusion is a major hurdle in islet transplantation. Because essential phospholipids (EPL) have been shown to exhibit anti-inflammatory properties in liver disease, we analysed their protective effect on islets in inflammatory or hypoxic conditions. METHODS:We evaluated the viability of mouse and human islets cultured with cytokines or in hypoxic conditions for 48 h and measured cytokine expression in islets by quantitative polymerase chain reaction. We then employed an in vivo mouse assay, transplanting a marginal dose of human islets treated with or without EPL into the subcapsule of the kidney in diabetic nude mice and determining the cure rate. RESULTS:The viability of mouse and human islets damaged by cytokines was significantly improved by supplementation of EPL in the culture (p = 0.003 and <0.001 for mouse and human islets respectively). EPL significantly inhibited intracellular expression of IL-1β and IL-6 in cytokine-damaged human islets (p < 0.001). The viability of human islets in hypoxic conditions was significantly better when treated with EPL (p < 0.001). In the in vivo mouse assay, the EPL-treated islet group had a higher cure rate than the untreated control, with marginal statistical significance (75 and 17% respectively, p = 0.07). CONCLUSIONS:EPL could be a potent agent to protect islets from inflammatory and hypoxic conditions after isolation procedures. Further studies to clarify the effect of EPL in islet transplantation are warranted.
journal_name
Diabetes Metab Res Revjournal_title
Diabetes/metabolism research and reviewsauthors
Shahbazov R,Kanak MA,Takita M,Kunnathodi F,Khan O,Borenstein N,Lawrence MC,Levy MF,Naziruddin Bdoi
10.1002/dmrr.2714subject
Has Abstractpub_date
2016-03-01 00:00:00pages
268-77issue
3eissn
1520-7552issn
1520-7560journal_volume
32pub_type
杂志文章abstract::This perspective covers a novel area of research describing the inadequacies of current approaches for diagnosing dysglycaemia and proposes that the 1-hour post-load glucose level during the 75-g oral glucose tolerance test may serve as a novel biomarker to detect dysglycaemia earlier than currently recommended screen...
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journal_title:Diabetes/metabolism research and reviews
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doi:10.1002/dmrr.2829
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journal_title:Diabetes/metabolism research and reviews
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journal_title:Diabetes/metabolism research and reviews
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更新日期:2009-07-01 00:00:00
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journal_title:Diabetes/metabolism research and reviews
pub_type: 杂志文章,多中心研究,随机对照试验,评审
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更新日期:2008-01-01 00:00:00
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doi:10.1002/1520-7560(2000)9999:9999<::aid-dmrr148>3.0
更新日期:2000-09-01 00:00:00
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journal_title:Diabetes/metabolism research and reviews
pub_type: 杂志文章
doi:10.1002/dmrr.881
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journal_title:Diabetes/metabolism research and reviews
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doi:10.1002/1520-7560(0000)9999:9999<::aid-dmrr153>3.0
更新日期:2001-01-01 00:00:00
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doi:10.1002/dmrr.3281
更新日期:2020-03-01 00:00:00
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doi:10.1002/dmrr.2996
更新日期:2018-07-01 00:00:00
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pub_type: 杂志文章,多中心研究
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更新日期:2009-05-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2004-07-01 00:00:00
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pub_type: 杂志文章
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journal_title:Diabetes/metabolism research and reviews
pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2017-01-01 00:00:00
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journal_title:Diabetes/metabolism research and reviews
pub_type: 杂志文章
doi:10.1002/dmrr.3189
更新日期:2019-11-01 00:00:00
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journal_title:Diabetes/metabolism research and reviews
pub_type: 杂志文章
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更新日期:2011-07-01 00:00:00