Abstract
Phagocytic function of human Kupffer cells was altered by the addition of nitroimidazole and amoebic trophozoits. The hypothesis was that phagocytic activity was dependent on the nature of additives in culture. The Kupffer cells were fractionated and lysosomes were isolated for enzyme estimations in presence of additives. Phagocytic activity function of human Kupffer cells was altered by the addition of nitroimidazole and amoebic trophozoits in Kupffer cell culture. The human Kupffer cells showed take up of zymosan particles larger than 1 micron in diameter and inert interaction with latex particles. The liver endothelial cells or phagocytes constitute a second line of defense in the liver for the phagoctosis function. The nitroimidazole slowed down the Kupffer cells phagocytosis activity of engulfing beads, trophozoits and removing the foreign materials from the vicinity while Kupffer cell phagocytic function remained totally intact. The potential role of Kupffer cells was phagocytosis and nitroimidazole slowed down the further activated Kupffer cells under physiologic conditions when Kupffer cells are active in clearing foreign substance from the circulation. In conclusion, theses first Kupffer cell and trophozoits interaction in the presence of nitroimidazole suggested the synergistic interaction and this cellular interaction in liver.
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Sharma, R., Singh, V. Phagocytic Activity and Hexose Monophosphate Shunt Activity of Cultured Human Kupffer Cells upon Zymosan, Erythrocytes, Amoebic Trophozoits, Latex Beads and Nitroimidazole. Nat Prec (2010). https://doi.org/10.1038/npre.2010.4300.1
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DOI: https://doi.org/10.1038/npre.2010.4300.1