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Agmatine co‐treatment attenuates allodynia and structural abnormalities in cisplatin‐induced neuropathy in rats
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Basak Donertas Cigdem Cengelli Unel Sule Aydin Emel Ulupinar Orhan Ozatik Bilgin Kaygisiz Engin Yildirim Kevser Erol 《Fundamental & clinical pharmacology》2018,32(3):288-296
Cisplatin is a widely used antineoplastic agent in the treatment of various cancers. Peripheral neuropathy is a well‐known side effect of cisplatin and has potential to result in limiting and/or reducing the dose, decreasing the quality of life. Thus, effective treatments are needed. Agmatine is an endogenous neuromodulator that has been shown to exert antiallodynic effects in various animal studies. The first aim of this study was to investigate the in vitro effects of agmatine on cisplatin‐induced neurotoxicity. Primary cultures of dorsal root ganglia (DRG) which are the primary target of drug injury were prepared. DRG cells were incubated with cisplatin (100, 200, 500 μm ). Then, agmatine (10, 100, 500 μm ) was administered with the submaximal concentration of cisplatin. Cisplatin caused concentration‐dependent neurotoxicity, and agmatine did not alter this effect. The second aim was to investigate the effects of agmatine on cisplatin‐induced peripheral neuropathy in rats and the influence of nitric oxide synthase (NOS) inhibitor, L‐NAME, in this effect. Female Sprague Dawley rats received intraperitoneal saline (control), cisplatin (3 mg/kg), cisplatin+agmatine (100 mg/kg), or cisplatin+agmatine+L‐NAME (10 mg/kg) once a week for 5 weeks. The mechanical allodynia, hot plate, and tail clip tests were performed, and DRG cells and sciatic nerves were analyzed. Agmatine and agmatine+L‐NAME combination attenuated CIS‐induced mechanical allodynia and degeneration in DRG cells and sciatic nerves. However, L‐NAME did not potentiate the antiallodynic or neuroprotective effect of agmatine. These findings indicate that agmatine co‐administration ameliorates cisplatin‐induced neuropathy and may be a therapeutic alternative. 相似文献
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Yavuz Köksal Bilgehan Yalçin G. Burça Aydın Neriman Sarı Nalan Yazici Ali Varan 《Pediatric hematology and oncology》2013,30(8):619-624
This study evaluated the immuned response of the hepatitis A vaccine in children with cancer who were receiving chemotherapy. Twenty-eight patients with lymphomas or solid tumors and who had negative serology for hepatitis A were enrolled. The median age was 4.7 years (range 2–16). The patients received 1440 IU hepatitis A vaccine at 0 and 6 months. Seroconversion rates at the first and seventh months were 60% (n = 17/28 patients) and 89% (n = 24/27 patients). No adverse effects were observed. The hepatitis A vaccine was found to be effective and safe in children with cancer. 相似文献
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