Novel Sensor-EnabledEx VivoBioreactor: A New Approach towards Physiological Parameters and Porcine Artery Viability
The aim of the present work is to design and construct anex vivobioreactor system to assess the real time viability of vascular tissue. Porcine carotid artery as a model tissue was used in theex vivobioreactor setup to monitor its viability under physiological conditions such as oxygen, pressure, temperature, and flow. The real time tissue viability was evaluated by monitoring tissue metabolism through a fluorescent indicator “resorufin.” Ourex vivobioreactor allows real time monitoring of tissue responses along with physiological conditions. Theseex vivoparameters were vital in determining the tissue viability in sensor-enabled bioreactor and our initial investigations suggest that, porcine tissue viability is considerably affected by high shear forces and low oxygen levels. Histological evaluations with hematoxylin and eosin and Masson’s trichrome staining show intact endothelium with fresh porcine tissue whereas tissues after incubation inex vivobioreactor studies indicate denuded endothelium supporting the viability results from real time measurements. Hence, this novel viability sensor-enabledex vivobioreactor acts as model to mimicin vivosystem and record vascular responses to biopharmaceutical molecules and biomedical devices.