Aggregation-induced emission dots assisted non-invasive fluorescence hysterography in near-infrared IIb window

Aggregation-induced emission dots assisted non-invasive fluorescence hysterography in near-infrared IIb window
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聚集诱导发射点辅助近红外 IIb 窗口中的无创荧光宫腔造影

DOI:
10.1101/2021.02.14.431069
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发表时间:
2021-02
期刊:
影响因子:
17.4
通讯作者:
Dan Zhang
Dan Zhang
中科院分区:
材料科学1区
文献类型:
--
作者:
Xiaoming Yu;Yanyun Ying;Zhe Feng;Ji Qi;Junyan Zheng;Yuhuang Zhang;Juan Liu;Jun Qian;Ben Zhong Tang;Dan Zhang

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子宫疾病严重威胁着女性的身心健康。临床医生采取检查时的主要原则是在不影响包括生育在内的身体功能的情况下实现有效的诊断。近红外(NIR)IIb窗口(1500-1700 nm)宫腔造影与1000 nm和1300 nm以外的波段相比,具有明显增强的信号背景比(SBR)和更高的穿透能力,但同时对荧光团的生物安全性提出了很高的要求。在生物排泄聚集诱导发射(AIE)点的辅助下,非侵入性 NIR-IIb 荧光宫腔造影可在小鼠模型中显示典型的 Y 形子宫、实时子宫蠕动或子宫病变(模拟临床疾病状态)。值得注意的是,宫内灌注后,通过生育力评估和组织学分析,生殖能力并未受到损害。该工作可为子宫疾病的无创临床诊断带来一些新思路,有效促进AIE点的临床转化。
Uterine diseases seriously threaten the physical and mental health of women. The main principle, when clinicians adopt examinations, is to achieve efficient diagnosis without negative effect on the physical function including fertility. Hysterography in near-infrared (NIR) IIb window (1500-1700 nm) presents perceptibly enhanced signal to background ratio (SBR) and higher penetration capability compared with those beyond 1000 nm and 1300 nm, but lays down high requirements for the biosafety of fluorophores at the same time. Assisted by the biologically excretable aggregation-induced emission (AIE) dots, non-invasive NIR-IIb fluorescence hysterography visualized typical Y-shaped uteruses, real-time uterine peristalsis or the uterine lesions (mimetic disease statuses in clinic) in mouse models. Significantly, after intrauterine perfusion, the reproductive capacity was unimpaired via fertility assessment and histological analysis. This work could inspire some new ideas for non-invasive clinical diagnosis of uterine diseases and effectively promote the clinical translation of AIE dots.
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