Solutions in plastic or glass: do the savings matter?
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Cost-Benefit Analysis↗
Biomedical subjects
M Holzman
Publications and source records attributed to M Holzman.
Selective fermentation: Fermentation of hexose-pentose mixtures.
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Journal Article↗
Direct fermentation of maltose.
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Journal Article↗
Repeated intraportal hepatocyte transplantation in analbuminemic rats.
The optimal site for implantation of isolated hepatocytes has not been established. We have developed a novel technique which allows repeated infusion of hepatocytes into the portal system via an indwelling catheter. Seven Nagase Analbuminemic rats (NAR) underwent single intraportal infusion of 2 x 10(7) isolated normal albumin-producing rat hepatocytes. Another seven NAR rats underwent placement of indwelling catheters into the portal venous system via the gastroduodenal vein. Each of them received six batches of 5 x 10(6) normal albumin producing hepatocytes. Seven control NAR rats were infused repeatedly (intraportally) with saline only. Plasma albumin (ELISA) showed significant increase in experimental animals and was more pronounced (p < 0.05) in rats transplanted repeatedly than in those given a single dose of cells. Immunohistochemical staining of the liver sections confirmed the presence of transplanted albumin producing hepatocytes. Rats transplanted with a single large batch of isolated hepatocytes showed liver tissue damage, whereas those subjected to repeated cell infusions had normal liver histology. We have developed a novel intraportal transplantation method which allows successful engraftment of a large number of isolated hepatocytes.
Animals↗