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Optical-resolution Photoacoustic Microscopy of the Metabolic Rate of Oxygen in a Mouse Renal Tumor Model

机译:小鼠肾脏肿瘤模型中氧代谢率的光学分辨率光声显微镜

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We propose using noninvasive longitudinal optical-resolution photoacoustic microscopy (L-ORPAM) to quantify blood flow flux, oxygen saturation (sO_2), and thereby the metabolic rate of oxygen (MRO_2), for a renal tumor model in the same mouse over weeks to months. Experiments showed that the sO_2 difference between the artery and vein decreased greatly due to the arteriovenous shunting effect during tumor growth. Moreover, hypermetabolism was exhibited by an increase in MRO_2.
机译:我们提出使用非侵入性纵向光学分辨率的光声学显微镜(L-ORPAM)来量化血流通量,氧饱和度(SO_2),从而对同一血液中的肾肿瘤模型进行氧气(MRO_2)的代谢率几个月。实验表明,由于肿瘤生长期间的动脉分流效应,动脉和静脉之间的SO_2差异大大降低。此外,通过增加Mro_2的增加表现出过氧代谢。

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