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The AMPK and AKT/GSK3β pathways are involved in recombinant proteins fibroblast growth factor 1(rFGF1 and rFGF1a) improving glycolipid metabolism in rainbow trout(Oncorhynchus mykiss) fed a high carbohydrate diet

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Animal Nutrition 2024年第2期17卷 11-24页

作者： Huixia Yu Shuo Geng Shuai Li Yingwei Wang Xin Ren Debin Zhong Haolin Mo Mingxing Yao Jiajia Yu Yang Li Lixin Wang College of Animal Science and Technology Northwest A&F University Meixian Aquaculture Farm of Shitouhe Reservoir Administration

fibroblast growth factor 1(FGF1) regulates vertebrate cell growth, proliferation and differentiation, and energy metabolism. In this study, we cloned rainbow trout(Oncorhynchus mykiss) fgf1 and fgf1a, prepared their recombinant proteins(rFGF1 and rFGF1a), and described the molecular mechanisms by which they improve glycolipid metabolism in carnivorous fish. A 31-d feeding trial was conducted to investigate whether they could enhance glycolipid metabolism in rainbow trout on high-carbohydrate diets(HCD). A total of 720 rainbow trout(8.9 ± 0.5 g) were equally divided into 4 groups: the chow diet(CD) group injected with PBS, the HCD group injected with PBS, the HCD group injected with rFGF1(400 ng/g body weight), and the HCD group injected with rFGF1a(400 ng/g body weight). The results showed that short-term HCD had a significant positive effect on the specific growth rate(SGR) of rainbow trout(P < 0.05). However, it led to an increase in crude fat, serum triglyceride(TG) and glucose content, as well as serum glutamic pyruvic transaminase(GPT) and glutamic oxalacetic transaminase(GOT) contents(P < 0.05), suggesting a negative health effect of HCD. Nevertheless, rFGF1 and rFGF1a showed beneficial therapeutic effects. They significantly reduced the crude fat content of the liver, serum TG, GOT, and GPT contents caused by HCD(P < 0.05). The upregulation in atgl, hsl, and acc2 m RNAs implied the promotion of TG catabolism. Moreover, rFGF1 and rFGF1a contributed to promoting lipolysis by activating the AMPK pathway and reducing lipid accumulation in the liver caused by HCD. In addition,the rFGF1 and r FGF1a-treated groups significantly reduced serum glucose levels and elevated hepatic glycogen content under HCD, and increased glucose uptake by hepatocytes. We observed a decrease in mRNA levels for pepck, g6pase, and pygl, along with an increase in mRNA levels for gys, glut2, and gk in the liver. Furthermore, these proteins regulated hepatic gluconeogenesis and glycogen synt

关键词： Rainbow trout Recombinant proteins fibroblast growth factor 1 Glycogen synthesis Lipid deposition

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Leukocyte cell-derived chemotaxin-2 and fibroblast growth factor 21 in alcohol-induced liver cirrhosis

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World Journal of Hepatology 2021年第12期13卷 2071-2080页

作者： Jarosław Jerzy Sak Andrzej Prystupa PawełKiciński Dorota Luchowska-Kocot Ewa Kurys-Denis Hanna Bis-Wencel Chair and Department of Humanities and Social Medicine Medical University of LublinLublin 20-093Poland Department of Internal Medicine Medical University of LublinLublin 20-081Poland Department of Experimental Hematooncology Medical University of LublinLublin 20-080Poland Department of Medical Chemistry Medical University of LublinLublin 20-093Poland The Second Department of Radiology Medical University of LublinLublin 20-081Poland Department of Microbiology and Reproductive Biology University of Life Sciences in LublinLublin 20-950Poland

BACKGROUND The importance of early diagnosis of alcoholic liver disease underscores the need to seek better and especially non-invasive diagnostic *** cellderived chemotaxin-2(LECT2)has been widely studied to determine its usefulness in monitoring the course of non-alcoholic fatty liver disease but not for alcoholic liver cirrhosis(ALC).AIM To determine the concentration of LECT2 in the blood serum of patients in relation to progressive stages of ALC,its relation to fibroblast growth factor 1(FGF-1)and FGF-21,and to examine the possible wider use of LECT2 in diagnosing *** A retrospective case-control study was conducted with 69 ALC cases and 17 controls with no *** were recruited from the region of Lublin(eastern Poland).Liver cirrhosis was diagnosed based on clinical features,history of heavy alcohol consumption,laboratory tests,and abdominal *** degree of ALC was evaluated according to Pugh-Child criteria(the Pugh-Child score).Blood was drawn and,after centrifugation,serum was collected for ***2,FGF-1,and FGF-21 were determined using enzyme-linked immunosorbent assay *** The LECT2 Levels in the control group were 18.99±5.36 ng/*** the study groups,they declined with the progression of cirrhosis to 11.06±6.47 ng/mL in one group and to 8.06±5.74 ng/mL in the other(Pfactor for alcoholinduced liver *** usefulness of LECT2 for non-invasive monitoring of alcohol-induced liver cirrhosis was indirectly confirmed b

关键词： Leukocyte cell-derived chemotaxin-2 fibroblast growth factor 21 fibroblast growth factor 1 Alcoholic liver cirrhosis Pugh-Child score

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