The antioxidant mimetic, MnTE-2-PyP, reduces intracellular growth of Mycobacterium abscessus.

The antioxidant mimetic, MnTE-2-PyP, reduces intracellular growth of Mycobacterium abscessus.
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抗氧化剂模拟物 MnTE-2-PyP 可减少脓肿分枝杆菌的细胞内生长。

DOI:
10.1165/rcmb.2008-0138oc
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发表时间:
2009
影响因子:
6.4
通讯作者:
Crapo,JamesD
Crapo,JamesD
中科院分区:
医学1区
文献类型:
--
作者:
Oberley-Deegan,RebeccaE;Lee,YoungMin;Morey,GEli;Cook,DanielleM;Chan,EdwardD;Crapo,JamesD

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结核分枝杆菌是一种快速生长的环境分枝杆菌,可引起严重的皮肤、软组织和肺部感染。巨噬细胞在巨噬细胞内生长,这些细胞在感染时释放大量促炎细胞因子。金属卟啉MnTE-2-PyP是一种广泛的抗氧化剂,可减少炎症细胞信号传导。巨噬细胞样THP-1细胞感染M.在存在或不存在MnTE-2-PyP的情况下进行测定。MnTE-2-PyP以剂量依赖性方式显著减少M.感染后4天和8天,从感染的THP-1细胞中回收了假单胞菌。此外,当与克拉霉素联合使用时,MnTE-2-PyP可增加与M相关的细胞数量。你好然后阐明了MnTE-2-PyP抑制细菌生长的机制。MnTE-2-PyP能促进感染的THP-1细胞的存活,并增加M.含溶酶体的吞噬体。
Mycobacterium abscessusis a rapidly growing environmental mycobacterium that can cause severe skin, soft tissue, and lung infections.M. abscessusgrows inside macrophages, and these cells release a vast number of proinflammatory cytokines in response to infections. The metalloporphyrin, MnTE-2-PyP, is a broad antioxidant that reduces inflammatory cell signaling. Macrophage-like THP-1 cells were infected withM. abscessusin the presence or absence of MnTE-2-PyP. MnTE-2-PyP significantly decreased, in a dose-dependent manner, the number ofM. abscessusorganisms recovered from infected THP-1 cells 4 and 8 days after infection. Furthermore, when combined with clarithromycin, MnTE-2-PyP additively reduced the number of cells associated withM. abscessus. A mechanism of bacterial growth inhibition by MnTE-2-PyP was then elucidated. It was found that MnTE-2-PyP promoted the survival of infected THP-1 cells and increased fusion ofM. abscessus–containing phagosomes with lysosomes.
使用口服螯合剂 1,2-二甲基-3-羟基吡啶-4-酮可有效螯合 β 地中海贫血中的铁。
DOI: --
发表时间: 1987
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作者:
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DOI: 10.1111/j.1365-2141.1976.tb03566.x
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