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  • SDÜ Tıp Fakültesi Dergisi
  • Volume:2 Issue:3
  • Serbest Radikaller

Serbest Radikaller

Authors : Namık DELİBAŞ, Ramazan ÖZCANKAYA
Pages : 0-0
Doi:10.17343/sdutfd.38962
View : 21 | Download : 11
Publication Date : 2009-01-21
Article Type : Review Paper
Abstract :SüleymanDemirel Üniversitesi TIP FAKÜLTESİ DERGİSİ: 1995 Eylül; 2insert ignore into journalissuearticles values(3); Serbest Radikaller Namık Delibaş Ramazan Özcankaya Özet Serbest radikaller birçok fizyolojik veya patolojik reaksiyonlar esnasında oluşabilen, eşleşmemiş bir elektronu bulunan reaktifmoleküllerdir. Eşleşmemiş elektron bu molekülleri oldukça reaktif hale getirir ve protein, lipid ve nükleik asitler gibi önemli molekülleri tahrip edecek reaksiyonları başlatabilirler. Dokular serbest radikal ataklarından korunmak ve oluşabilecek hasarı azaltmak için oldukça kompleks bir defans mekanizması ile donatılmıştır. Son zamanlarda katarakt, ateroskleroz, Parkinson hastalığı, reperjuzyon hasarı gibi birçok hastalıkta serbest radikallerin rol oynadığı daha belirgin bir hale gelmiştir. Anahtar Kelimeler: Serbest radikaller, transisyon metalleri, antioksidanlar. ; Abstract Free Radicals Free radicals are reactive chemical species \vith an unpaired electron that are produced through a variety ofphysiologic and pathologic processes. The unpaired electron makes these compounds highly reactive and they can initiate disruptive peroxidation reactions \vith various substrates important for the survival of cells such as proteins, lipids and nucleic acids. A fairly complex defense system has evolved to protect living tissue from jree radicals and to minimize the damage they might cause. Recently it has become quiet clear that oxygenjree radicals are involved in a vast amount ofdiseases such as cataract, atherosclerosis, Parkinson `s disease, reperfusion injuries andmany others. Key Words: Free radicals, transition metals, antioxidants.
Keywords :

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