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  • Journal of Experimental and Clinical Medicine
  • Volume:16 Issue:4
  • Sıçan Serebellumunda Kadmiyumun Neden Olduğu Purkinje Hücre Kaybına Nikardipinin Etkisi

Sıçan Serebellumunda Kadmiyumun Neden Olduğu Purkinje Hücre Kaybına Nikardipinin Etkisi

Authors : H GENÇ, , F BAĞIRICI, Ş DEMİR, A GÜNEY
Pages : 0-0
Doi:10.5835/jecm.v16i4.579
View : 25 | Download : 11
Publication Date : 2009-12-23
Article Type : Other Papers
Abstract :Effect of Nicardipine on Cadmium-Induced Purkinje Cell Loss in Rat Cerebellum In the present study, changes in Purkinje cell density of rat cerebellum after intracortical cadmium sulphate insert ignore into journalissuearticles values(CdS04); and nicardipine, a calcium antagonist administration have been investigated. Animals were divided into three groups. First group received saline while the second group received CdS04 insert ignore into journalissuearticles values(0.0021 mg/kg); and the third group received CdS04 insert ignore into journalissuearticles values(0.0021 mg/kg); and nicardipine insert ignore into journalissuearticles values(1 mg/kg);. Rats were than survived for seven days under physical observation. Only the third group received daily nicardipine injection insert ignore into journalissuearticles values(10 mg/kg/day, i.p.); during this period. After one week all animals were perfused intracardially. Serial sections obtained from cerebellum were stained by Thionin staining method. Purkinje cells were counted under 400x magnification of a light microscope. Purkinje cell density is found to be 20.53±0.69 /mm in right and 20.46±0.47 /mm in left hemisphere of control group; 13.36±0.58 /mm in right and 13.23±0.44 /mm in left hemisphere of cadmium group; 16.36±0.69 /mm in right and 16.00±0.84 /mm in left hemisphere of cadmium + nicardipine group. These results suggest that cadmium has neurotoxic effects and nicardipine may protect neurons from cadmium-induced toxicity insert ignore into journalissuearticles values(p<0.05);. Sunulan çalışmada, Intrakortikal yolla kadmiyum sülfat ve kalsiyum antagonisti nikardipin verilen sıçanlarda, serebellum Purkinje hücre yoğunluğundaki değişmeler incelendi. Hayvanlar üç gruba ayrıldı. Birinci gruba serum fizyolojik, ikinci gruba kadmiyum sülfat insert ignore into journalissuearticles values(0.0021 mg/kg); ve üçüncü gruba kadmiyum sülfat insert ignore into journalissuearticles values(0.0021 mg/kg); + nikardipin insert ignore into journalissuearticles values(1 mg/ kg); verildi. Sıçanlar bir hafta süreyle gözlem altında yaşatıldı. Sadece üçüncü gruptaki sıçanlara, bu süre boyunca nikardipin insert ignore into journalissuearticles values(10 mg/kg/gün, i.p.); uygulandı. Bir hafta sonra tüm hayvanlar intrakardiyak yolla perfüzyona alındı. Serebellumdan elde edilen seri frontal kesitler Thionin boyama yöntemiyle boyandı. Purkinje hücreleri x400 büyütme ile ışık mikroskobunda sayıldı. Purkinje hücre yoğunluğu kontrol grubunda, sağ yarımkürede 20.53±0.69 /mm insert ignore into journalissuearticles values(or-talama±SH);, sol yarımkürede 20.46±0.47 /mm; kadmiyum grubunda sağ hemisferde 13.36±0.58 /mm, sol hemisferde 13.23±0.44 /mm; kadmiyum + nikardipin grubunda sağ hemisferde 16.36±0.69 /mm, sol hemisferde 16.00±0.84 /mm olarak bulundu. Çalışmanın sonuçlan; kadmiyumun nörotoksik etkili olduğunu, nikardipinin ise nöronları kadmiyumun toksik etkisinden koruduğunu göstermektedir insert ignore into journalissuearticles values(p<0.05);.
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