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The Effect of Adrenalectomy on Leptin Levels and Some Metabolic Parameters in Rats with Diet Induced Obesity     
Yazarlar
Adnan Yılmaz
Halis Süleyman
Erzincan Üniversitesi, Türkiye
Fatma Zühal Umudum
Atatürk Üniversitesi, Türkiye
Prof. Dr. Yaşar Nuri ŞAHİN Prof. Dr. Yaşar Nuri ŞAHİN
Atatürk Üniversitesi, Türkiye
Özet
Recently, there has been many investigations on the relationship between leptin and obesity, which is the main health problem in developed countries. In some reports, it has been claimed that the adrenalectomy has lead to weight loss and thus prevented obesity induced in rodents in various ways. It has also been accepted that diet-induced obesity in animals is very similar to obesity in humans beings. In this study, obesity has been developed with high-calorie diet given for 8 weeks in Sprague-Dawley rats. Then, it has been investigated how leptin and some metabolic parameters change in blood samples obtained from rats 15 d after adrenalectomy. Leptin levels was determined with Radio Immun Assay (RIA, Linco Research Co®) method. Our study showed that, there were statistically significant increases in leptin (p<0.001), glucose (p<0.05), triglyceride (p<0.01) levels in diet-induced obese rats (n=19) when compared with the findings of control rats, lean ones (n = 16), (Tables 3, 4). Adrenalectomy led to decreased serum leptin (p<0.001) and triglyceride (p<0.01) levels both in the obese and lean rats (Table 5). As a conclusion, it could be claimed that the decrease in leptin levels may be attributed to reduced adipose tissue due to adrenalectomy. On the other hand, the decreases in glucose and triglyceride levels might be the consequence of reduced lipogenesis and impaired gluconeogenesis with the effect of adrenalectomy. It was concluded that adrenalectomy might prevent obesity by affecting leptin and intermediate metabolism.
Anahtar Kelimeler
Adrenalectomy | Diet-induced obesity | Leptin
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale
Dergi Adı Biological & Pharmaceutical Bulletin
Dergi ISSN 0918-6158
Dergi Tarandığı Indeksler SCI-Expanded
Makale Dili İngilizce
Basım Tarihi 01-2002
Cilt No 25
Sayı 5
Sayfalar 580 / 583
Doi Numarası 10.1248/bpb.25.580
Makale Linki http://joi.jlc.jst.go.jp/JST.JSTAGE/bpb/25.580?from=CrossRef