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N-linoleyltyrosine ameliorates high-fat diet-induced obesity in C57BL/6 mice via cannabinoid receptor regulation.
Yang, Zheng-Yu; Wu, Yi-Ying; Zhou, Yi; Yang, Yun-Qi; Zhang, Jia-Hui; He, Tao; Liu, Sha.
Afiliación
  • Yang ZY; Department of Pharmacy, Sichuan Province College Key Laboratory, Chengdu Medical College, Chengdu, China.
  • Wu YY; Department of Pharmacy, Sichuan Province College Key Laboratory, Chengdu Medical College, Chengdu, China.
  • Zhou Y; Research and Development Center, Sichuan Yuanda Shuyang Pharmaceutical Co., Ltd, Chengdu, China.
  • Yang YQ; Department of Pharmacy, Sichuan Province College Key Laboratory, Chengdu Medical College, Chengdu, China.
  • Zhang JH; Department of Pharmacy, Sichuan Province College Key Laboratory, Chengdu Medical College, Chengdu, China.
  • He T; Department of Thoracic Surgery, The Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital, Chengdu, China.
  • Liu S; Department of Pharmacy, Sichuan Province College Key Laboratory, Chengdu Medical College, Chengdu, China.
Front Endocrinol (Lausanne) ; 13: 938527, 2022.
Article en En | MEDLINE | ID: mdl-36111301
Objectives: N-linoleyltyrosine (NITyr) showed mild effects in preclinical studies. The research discussed the effect of NITyr on a high-fat diet (HFD) induced obese (DIO) mice, and preliminarily explored its mechanism. Methods: The DIO mice were established by feeding an HFD for 12 weeks and subsequently administrated orally with NITyr (30, 60 and 100 mg/kg) for four weeks. The indexes of serum and liver samples were determined by ELISA kit. The pathological status of adipose and liver were detected by HE staining. The factors related to energy and lipid metabolism were measured via western blot. Results: NITyr at 60 and 100 mg/kg/day suppressed the weight gain without affecting water and food intake. Accordingly, NITyr reduced adipose weight and the area of individual adipocytes and increased the number of adipocytes. Moreover, NITyr didn't affect the appetite-related indexes such as ghrelin, peptide YY and brain-derived neurotrophic factor. Besides, NITyr didn't affect other organ coefficients except for the liver. Correspondingly, NITyr reduced alanine aminotransferase and aspartate aminotransferase levels, yet didn't influence IL-1ß and TNF-α levels, and the liver injury. The levels of triacylglycerol (TG), total cholesterol (TC), glucose, insulin, adiponectin and leptin in serum were assessed to evaluate the effect of NITyr on glucose and lipid metabolism. NITyr decreased the levels of TG, TC and glucose, and didn't affect insulin, adiponectin and leptin levels. Meanwhile, NITyr up-regulated p-AMPK and the cannabinoid receptor 2 (CB2) expressions, and down-regulated PPAR, FAS and cannabinoid receptor 1 (CB1) expressions.Overall, NITyr suppressed lipid accumulation via improving lipid and glucose metabolism involving CB1 and CB2 receptors.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tirosina / Dieta Alta en Grasa / Obesidad Tipo de estudio: Etiology_studies Límite: Animals Idioma: En Revista: Front Endocrinol (Lausanne) Año: 2022 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tirosina / Dieta Alta en Grasa / Obesidad Tipo de estudio: Etiology_studies Límite: Animals Idioma: En Revista: Front Endocrinol (Lausanne) Año: 2022 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza