首页> 美国卫生研究院文献>Biomedical Optics Express >Phenomenon of atypical vascular effects of epinephrine and an increase of photodynamic response by nitroglycerin in rats with colon adenocarcinoma: adrenergic and nitrergic mechanisms and novel applied aspects
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Phenomenon of atypical vascular effects of epinephrine and an increase of photodynamic response by nitroglycerin in rats with colon adenocarcinoma: adrenergic and nitrergic mechanisms and novel applied aspects

机译:肾上腺素的非典型血管作用现象和硝酸甘油对结肠腺癌大鼠的光动力反应增强的现象:肾上腺素能和硝化作用机制及新的应用方面

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摘要

Using an original model of stress-induced colon adenocarcinoma, we uncover atypical vasorelaxation effects of a mucosa injection of epinephrine assessed by laser speckle contrast imaging and a significant increase of fluorescent intensity of 5-ALA/PpIX from malignant colon tissues by a mucosa injection of nitroglycerine. We clearly demonstrate a high activity of adrenergic and nitrergic mechanisms underlying this phenomenon and discuss their application in improving of optical approaches for effective diagnosis of gastrointestinal cancer.
机译:使用应激诱导的结肠腺癌的原始模型,我们发现通过激光散斑对比成像评估的肾上腺素粘膜注射对肾上腺素的非典型血管舒张作用以及通过黏膜注射的恶性结肠组织显着增加5-ALA / PpIX的荧光强度硝酸甘油。我们清楚地证明了这种现象背后的肾上腺素能和硝化能机制的高活性,并讨论了它们在改善光学方法以有效诊断胃肠道癌中的应用。

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