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Yıl:1999; Cilt: 4; Sayı: 2>> Özet
Ege Psikiyatri Sürekli Yayınları; 1999;4(2):185-202
Yeme Bozukluklarının Etiyolojisi ve Sağaltımında Leptinin Rolü
F Akdeniz
Leptin ve leptin reseptörlerinin tanımlanması sadece endokrinoloji metabolizma alanlarında değil, psikiyatri alanında da yeni araştırma alanı yaratmıştır. Ob geni ürünü olan leptin adipositleıden salgılanan bir hormondur. Beden ağırlığının düzenlenmesi ve üreme üzerine önemli rolü vardır. Yeme bozuklukları, özellikle anoreksiya nervozada, yeme davranışı bozukluğu ve nöroendokrin işlev bozuklukları ile karakterizedir. Yeme bozukluğu olan hastalarda serum leptin düzeyleri beden kütlesi indeksi, beden yağ yüzdesi ve yeme davranışı ile bağlantılıdır. Yeme bozukluğu olan kadın hastalarda amenore düşük leptin düzeyleri ile ilişkilidir. Anoreksiya nervoza sağaltımında kilo alımı ile birlikte leptin düzeylerinde hızlı yükselme kilo alımını zorlaştırmaktadır. Anoreksiya nervoza etiyolojisinde leptinin rolü açık değildir. Gelecekte yapılacak çalışmalarla enerji homeostazını düzenleyen düzenekleri anlamak ve yeme bozuklukları patofızyolojisinde leptinin rolü açıklanabilecektir.

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