Abstract
Tumor angiogenesis is one essential aspect for the growth and metastasis of cancer cells, which means that adequate in vivo angiogenesis models are of utmost importance for the investigation of such diseases. The chick chorioallantoic membrane (CAM) model is one established method for this purpose and has already been used for research on multiple cancer types. One important part of the evaluation of tumors grafted onto the CAM is the measurement of tumor-induced angiogenesis. In order to address this central aspect, we utilized the novel PeriCam perfusion speckle imager (PSI) system high resolution (HR) model (Perimed AB, Järfälla, Sweden), which is based on laser speckle contrast imaging (LSCI) for the semiquantitative measurement of blood flow in the CAM model. This method enables a fast and accurate analysis of the angiogenesis of cell line tumors and primary tumors that are grafted onto the CAM. The proposed model can be regarded as a precursor model for personalized cancer therapy.
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