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Determining the Effects of Geraniol on Liver Regeneration Via the Nuclear Factor kB Pathway After Partial Hepatectomy

Context: Nuclear factor kB (NF-kB) is a dimeric transcription factor that is involved in the regulation of regenerative and apoptosic genes and plays a key role in liver regeneration after a partial hepatectomy (PH). Complementary medicine is used to treat various diseases and can be obtained from a large number of plants that are found in nature. One such plant is geraniol, and no studies have yet occurred assessing its in vivo effects on liver regeneration. Objective: The current study intended to assess the effects of geraniol on liver regeneration after a 70% PH in rats. Design: The research team studied geraniol in a rat model in vivo. Setting: The study took place in the medical and surgical experimental research center at Eskisehir Osmangazi University (Eskisehir, Turkey). Animals: The animals were Wistar albino male rats. Intervention: The rats were divided into 8 groups with 6 rats in each group. Two groups were the sham control groups. The other 6 groups received an injection of a single dose of saline, the negative control; silymarin, the negative control; or geraniol, the intervention. The injections were given intraperitoneally immediately after PH. A laparotomy was performed on the rats all of those groups at either 24 h or 48 h after the PH. Outcome Measures: Using the reverse transcription (RT)- polymerase chain reaction (PCR) method (RT-PCR) and Western blot analysis, the NF-kB, tumor necrosis factor a, and interleukin 6 gene expression and protein levels were measured. Moreover, the levels of the heat shock proteins (HSPs) HSP27 and HSP60 were examined by Western blot. Results: The data showed that geraniol had a significant role (P < .05) in increasing the process of liver regeneration when given intraperitoneally, and it protected the liver as assessed by histology and the HSP levels. In rats receiving 100 mg/kg geraniol intraperitoneally, the agent induced hepatic regeneration 24 h and 48 h after PH (70%).

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