Scientific publications

Increase of the Adiponectin/Leptin Ratio in Patients with Obesity and Type 2 Diabetes after Roux-en-Y Gastric Bypass

Unamuno X (1,2), Izaguirre M (1), Gómez-Ambrosi J (1,2,3), Rodríguez A (1,2,3), Ramírez B (1,2,3), Becerril S (1,2,3), Valentí V (2,3,4), Moncada R (2,3,5), Silva C (2,6), Salvador J (2,6), Portincasa P (7), Frühbeck G (1,2,3,6), Catalán V (8,9,10).

(1) Metabolic Research Laboratory, Clínica Universidad de Navarra, 31008 Pamplona, Spain.
(2) CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 31008 Pamplona, Spain.
(3) Obesity and Adipobiology Group, Instituto de Investigación Sanitaria de Navarra (IdiSNA), 31008 Pamplona, Spain.
(4) Department of Surgery, Clínica Universidad de Navarra, 31008 Pamplona, Spain.
(5) Department of Anesthesia, Clínica Universidad de Navarra, 31008 Pamplona, Spain.
(6) Department of Endocrinology & Nutrition, Clínica Universidad de Navarra, 31008 Pamplona, Spain.
(7) Clinica Medica "A. Murri", Department of Biomedical Sciences and Human Oncology, University of Bari "Aldo Moro" Medical School, 70124 Bari, Italy.
(8) Metabolic Research Laboratory, Clínica Universidad de Navarra, 31008 Pamplona, Spain.
(9) CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, 31008 Pamplona, Spain.
(10) Obesity and Adipobiology Group, Instituto de Investigación Sanitaria de Navarra (IdiSNA), 31008 Pamplona, Spain. 

Magazine: Nutrients

Date: Sep 3, 2019

Endocrinology and Nutrition [SP] General and Digestive Surgery Obesity Unit Anesthesia and Intensive Care [SP]

Bariatric surgery remains the most effective option for achieving important and sustained weight loss.

We explored the effects of Roux-en-Y gastric bypass (RYGB) on the circulating levels of adiponectin, leptin, and the adiponectin/leptin (Adpn/Lep) ratio in patients with obesity and type 2 diabetes (T2D). Twenty-five T2D volunteers undergoing RYGB were included in the study, and further subclassified as patients that responded or not to RYBG, regarding remission of T2D. Anthropometric and biochemical variables were evaluated before and after RYGB.

Obese patients with T2D exhibited an increase (p < 0.0001) in the Adpn/Lep ratio after RYGB. Changes in the Adpn/Lep ratio correlated better with changes in anthropometric data (p < 0.001) than with the variations of adiponectin or leptin alone.

Multiple regression analysis revealed that the change in the Adpn/Lep ratio in patients with T2D was an independent predictor of the changes in body mass index (p < 0.001) and body fat percentage (p = 0.022).

However, the Adpn/Lep ratio did not differ between individuals with or without T2D remission after RYGB. In summary, the current study demonstrated that after weight and body fat loss following RYGB, the Adpn/Lep ratio increased in patients with obesity and T2D.

CITATION  Nutrients. 2019 Sep 3;11(9). pii: E2069. doi: 10.3390/nu11092069.

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