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Renal Lipoma: a case report

100%
Vukmirović F., Vukmirović M., Vukmirović I., Kavarić P.
Open Medicine
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2013
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vol. 8
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issue 3
328-330
EN
Renal lipoma is a very rare tumor that has only been described in about twenty cases in adults and in a single case in a child aged 2 years. This paper presents a renal lipoma in 63 year old female patient. The tumor size of 7.5×4.5 cm was located in her right kidney, clearly delineated from the surrounding kidney tissue, and histology was completely built of mature adipose tissue. This paper describes the case of a rare benign lipoma which histogenesis is yet not clearly understood.
2
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Changes in antioxidative parameters in the kidney of rats subchronically intoxicated with chlorfenvinphos - an organophosphate insecticide

100%
Łukaszewicz-Hussain A.
Open Medicine
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2009
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vol. 4
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issue 4
506-511
EN
Chlorfenvinphos is an organophosphate insecticide, posing a risk to those who are professionally involved in its production and use in agriculture, as well as to the general population. Organophosphates (OPs) are the class of insecticides, whose primary target is acetylcholinesterase (AChE) that hydrolyzes acetylcholine, a major neurotransmitter at the central and peripheral neuronal synapses. Moreover, many authors postulate that these compounds, both in acute and chronic intoxication, change the activities of antioxidative enzymes, thus leading to the enhancement of lipid peroxidation in many tissues. In the current study, animals received once a day, intragastrically with a stomach tube, 0.1ml/100g of olive oil (control groups) and oil solution of chlorfenvinphos at a dose of 0.02LD50 (0.3 mg/kg b. w.) - the experimental groups. The animals were sacrificed on day 14 or on day 28 of exposure. In the kidneys of rats, the activities of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) and glutathione reductase (GR) as well as reduced glutathione level (GSH) were determined. Chlorfenvinphos administration resulted in increased activities of antioxidative enzymes in the kidney of rats. Renal activities of SOD, GPx and GR were more pronounced on day 28 of chlorfenvinphos exposure than on day 14. The kidney reduced glutathione level (GSH) did not change in comparison to the control level. The current experimental findings indicate that subchronic administration of chlorfenvinphos leads to an adaptive response in the kidney of rats and this response is mostly due to reduced glutathione level and glutathione metabolism.
3
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The respective effects of ethyl alcohol and grape polyphenols upon the morphological index of rat kidneys

88%
Sataieva T., Zukow W.
Open Medicine
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2014
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vol. 9
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issue 6
866-869
4
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Protective effect of L-carnitine against cisplatin-induced liver and kidney oxidant injury in rats

88%
Cayir K., Karadeniz A., Yildirim A., Kalkan Y., Karakoc A., Keles M., Tekin S.
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EN
The present study was designed to investigate the protective effects of L-carnitine (LC) on changes in the levels of lipid peroxidation and endogenous antioxidants induced by cisplatin (cis-diamminedichloroplatinum II, CDDP) in the liver and kidney tissues of rats. Twenty-four Sprague Dawley rats were equally divided into four groups of six rats each: control, cisplatin, L-carnitine, and L-carnitine plus cisplatin. The degree of protection produced by L-carnitine was evaluated by determining the level of malondialdehyde (MDA). The activity of glutathione (GSH), glutathione peroxidase (GSH-Px), glutathione S-transferase (GST), and superoxide dismutase (SOD) were estimated from liver and kidney homogenates, and the liver and kidney were histologically examined as well. L-carnitine elicited significant liver and kidney protective activity by decreasing the level of lipid peroxidation (MDA) and elevating the activity of GSH, GSHPx, GST, and SOD. Furthermore, these biochemical observations were supported by histological findings. In conclusion, the present study indicates a significant role for reactive oxygen species (ROS) and their relation to liver and kidney dysfunction, and points to the therapeutic potential of LC in CDDP-induced liver and kidney toxicity.
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