Hoechst-IR: an imaging agent that detects necrotic tissue in vivo by binding extracellular DNA.

Hoechst-IR: an imaging agent that detects necrotic tissue in vivo by binding extracellular DNA.
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DOI:
10.1021/ol100923d
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发表时间:
2010-08-06
期刊:
影响因子:
5.2
通讯作者:
Murthy, Niren
Murthy, Niren
中科院分区:
化学1区
文献类型:
--
作者:
Dasari, Madhuri;Lee, Sungmun;Sy, Jay;Kim, Dongin;Lee, Seungjun;Brown, Milton;Davis, Michael;Murthy, Niren

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细胞坏死是许多疾病进展的核心,能够检测坏死组织的显像剂具有巨大的临床潜力。我们在这里证明了一种名为 Hoechst-IR 的小分子,由 DNA 结合染料 Hoechst 和近红外染料 IR-786 组成,可以通过荧光成像对体内坏死组织进行成像。 Hoechst-IR 通过结合坏死细胞释放的细胞外 DNA 来检测坏死,并能够对心肌梗塞和脂多糖/D-半乳糖胺 (LPS-GalN) 诱导的脓毒症产生的坏死进行成像。
Cell necrosis is central to the progression of numerous diseases and imaging agents that can detect necrotic tissue have great clinical potential. We demonstrate here that a small molecule, termed Hoechst-IR, composed of the DNA binding dye Hoechst and the near infrared dye, IR-786, can image necrotic tissue in vivo via fluorescence imaging. Hoechst-IR detects necrosis by binding extracellular DNA released from necrotic cells and was able to image necrosis generated from a myocardial infarction and lipopolysaccharide/D-galactosamine (LPS-GalN) induced sepsis.
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