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Epifluorescence (2D) imaging of superficially implanted mouse tumor xenograft models offers a fast and simple method for assessing tumor progression or response to therapy. This approach for tumor assessment requires the use of near infrared (NIR) imaging agents specific for different aspects of tumor biology, and this Application Note highlights the ease and utility of multiplex NIR fluorescence imaging to characterize the complex biology within tumors growing in a living mouse.
Drug induced liver injury (DILI) is a major reason for late stage termination of drug discovery research projects, highlighting the importance of early integration of liver safety assessment in the drug development process. A technical approach for in vivo toxicology determination was developed using Acetaminophen (APAP), a commonly used over-the-counter analgesic and antipyretic drug, to induce acute hepatocellular liver injury.
Cancer chemotherapy can produce severe side effects such as suppression of immune function and damage to heart muscle, gastrointestinal tract, and liver. If serious enough, tissue injury can be a major reason for late stage termination of drug discovery research projects, so it is becoming more important to integrate safety/toxicology assessments earlier in the drug development process. There are a variety of traditional serum markers, tailored mechanistically to specific tissues, however there are no current non-invasive assessment tools that are capable of looking broadly at in situ biological changes in target and non-target tissue induced by chemical insult.