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| Abstract: | The work is an attempt to understand the role of 5-HT, 5-HT1A and 5-HT2C receptors in the regulation of liver cell proliferation using in vivo and in vitro models. The work also focuses on the brain serotonergic changes associated with hapatocyte proliferation and apoptosis to delineate its regulatory function. The investigation of mechanisms involving different models of hepatocyte proliferation contributes to our knowledge about serotonergic regulation of cell growth, apoptosis and carcinogenesis of liver. The study reveals that the alteration of the 5-HT1A and 5-HT2C receptor function and gene expression in the brain stem, cerebral cortex and hypothalamus play an important role in the sympathetic regulation of cell proliferation, neoplastic transformation and apoptosis. The functional balance between 5-HT1A and 5-HT2C receptor plays an important role in regulating hepatocyte proliferation, neoplastic transformation and hepatic apoptosis. The regulatory role of 5-HT1A and 5-HT2C receptor during neoplastic transformation and apoptosis could lead to possible therapeutic intervention in the treatment of cancers and have immense clinical importance. |
| URI: | http://dyuthi.cusat.ac.in/purl/118 |
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| Dyuthi-T0004.pdf | (3.305Mb) |
| Abstract: | Effect of pyridoxine on growth, metabolism and cellular activity of freshwater prawn Macrobrachiuni rosenbergii was studied. Postlarvae (PL-10) of M. rosenbergii were fed with clam meat containing various concentrations of pyridoxine. After 30 days RNA and DNA of the abdominal tissues were estimated. Length, weight and RNA to DNA ratio increased significantly with increasing concentrations of pyridoxine. The effect of pyridoxine on the metabolic enzyme, malate dehydrogenase, was also studied. Vmax showed a significant decrease and the (Km) showed a significant increase in experimental groups compared to control. |
| URI: | http://dyuthi.cusat.ac.in/purl/596 |
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| K K Balachandran and others(1998)feb.PDF | (4.076Mb) |
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