A comparison of nonenzymatic and enzymatic hepatocyte isolation was performed on pig livers. The collagenase perfusion showed superior results: mean viability 72 +/- 10% versus a maximum viability of 21% using EDTA-perfusion. A five-step collagenase perfusion technique, developed for pig livers enables larger scale investigations, in order to develop methods for hepatocyte cultures in therapeutical liver cell perfusion systems.
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Gerlach et al. (1993) studied this question.
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