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. 2013 Sep;29(9):1106-9.
doi: 10.1016/j.nut.2013.02.005. Epub 2013 Jun 19.

Plasma klotho levels decrease in both anorexia nervosa and obesity

Marie Amitani  1 , Akihiro Asakawa, Haruka Amitani, Kaori Kaimoto, Nanami Sameshima, Ken Ichiro Koyama, Izumi Haruta, Minglun Tsai, Toshihiro Nakahara, Miharu Ushikai, Kai-Chun Cheng, Satoshi Hamada, Akio Inui
Affiliations

Plasma klotho levels decrease in both anorexia nervosa and obesity

Marie Amitani et al. Nutrition. 2013 Sep.

Abstract

Objective: The aim of this study was to examine the associations of klotho with body mass index (BMI) in patients with restricting-type anorexia nervosa (r-AN) and obesity.

Method: We examined plasma klotho as well as adiponectin and its isoform levels in comparison in 11 obese patients, 12 r-AN patients, and 11 control participants.

Results: Plasma klotho levels were markedly lower in the obesity and r-AN groups than in the control group. Moreover, plasma klotho levels increased significantly after the recovery of BMI in r-AN patients. Total and high-molecular-weight adiponectin levels were significantly decreased only in obesity. There was no relationship between klotho and total adiponectin levels or klotho and respective adiponectin isoform levels in the entire study population.

Conclusions: These results suggest that klotho may reflect normal nutritional state, and that the decrease of klotho in r-AN and obesity may underlie the deteriorating processes of these disorders.

Keywords: Adiponectin; Aging; Body mass index; Klotho; Obesity; Restricting-type anorexia nervosa.

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