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17 results on '"Niu, Xiaotian"'

15. Effects of various processed soybeans meal on growth and protein metabolism of Cyprinus carpio juveniles

Author

Sun Li, Guo GuiLiang, Niu XiaoTian, Li ZhiPing, Lu HongMei, Wang GuiQin, Yan XianChun, Li QingHua, and Zhu XingHua

Subjects
Meal, biology, Protein metabolism, food and beverages, Management, Monitoring, Policy and Law, Aquatic Science, biology.organism_classification, Cyprinus, chemistry.chemical_compound, Common carp, Fish meal, chemistry, Biochemistry, medicine, Hepatopancreas, Food science, Soybean agglutinin, medicine.symptom, Weight gain, Ecology, Evolution, Behavior and Systematics
Abstract

The effect of replacing fish meal with raw and various processed soybeans meal on growth and protein metabolism of common carp Cyprinus carpio was evaluated in an 8-week trial. The common carp fingerlings[initial body weight(5.89±0.36) g] were fed five isonitrogenous and isocaloric feeds(30% digestible protein and 15 MJ/kg digestible energy) containing SBM replacing 50% of the fish meal protein,such as raw soybean(RSB),processed soybean by chemical inactivator,processed soybean by heating,processed soybean by heat alcohol,respectively. Results showed that weight gain of control were significantly different(P0.05),but those fed RSB were significantly lower than control(P0.05),those fed processed soybeans by chemical inactivator and by heating and by heat alcohol had no significant difference,but all significantly higher than control. Protease specific activity of control in the intestine and hepatopancreas was significantly higher than those fed RSB and processed soybeans by heat alcohol,but both had no significant difference with those fed processed soybeans by chemical inactivator and by heating(P0.05). RNA of 100% fish meal and 50% processed soybean by heating in white muscle were no significant difference(P0.05),but both were significantly higher than those fed RSB and processed soybeans by heat alcohol and by chemical inactivator and by heating,RNA/DNA of 100% fish meal and 50% processed soybean by heating and by chemical inactivator in white muscle had no significant difference(P0.05),but all were higher than those fed raw soybean(RSB) and processed soybean by heat alcohol(P0.05). RNA in white muscle and serum IGF-I had a positive correlation with growth(P0.05).The degree of negative effect of soybean anti-nutritional factors on fish is anti-trypsin inhibitoragglutininsoybean antigen protein under the experimental conditions,and proper control could reduce the negative impact of soybean anti-nutritional factors on fish.

Published
2010
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17. Dietary aflatoxin B 1 caused the growth inhibition, and activated oxidative stress and endoplasmic reticulum stress pathway, inducing apoptosis and inflammation in the liver of northern snakehead (Channa argus).

Author

Li M, Kong Y, Guo W, Wu X, Zhang J, Lai Y, Kong Y, Niu X, and Wang G

Subjects
Animals, Apoptosis, Cytochrome P-450 CYP3A metabolism, Diet veterinary, Endoplasmic Reticulum Stress, Fishes metabolism, Immunoglobulin M metabolism, Immunoglobulin M pharmacology, Inflammation chemically induced, Interleukin-8 metabolism, Liver metabolism, NF-KappaB Inhibitor alpha metabolism, NF-kappa B, Oxidative Stress, Protein Serine-Threonine Kinases, RNA, Messenger metabolism, Reactive Oxygen Species metabolism, Superoxide Dismutase metabolism, TNF Receptor-Associated Factor 2 metabolism, TNF Receptor-Associated Factor 2 pharmacology, Tumor Necrosis Factor-alpha metabolism, bcl-2-Associated X Protein metabolism, bcl-2-Associated X Protein pharmacology, Aflatoxin B1 toxicity, Chemical and Drug Induced Liver Injury, Chronic metabolism
Abstract

The purpose of this study was to investigate the effects of dietary aflatoxin B 1 (AFB 1 ) on growth performance and AFB 1 biotransformation, and hepatic oxidative stress, endoplasmic reticulum (ER) stress, apoptosis, and inflammation in northern snakehead (Channa argus). A total of 600 northern snakeheads (7.52 ± 0.02 g) were divided into five groups (three replicates/group) and fed the diets with AFB 1 at concentrations of 0, 50, 100, 200, and 400 ppb for 8 weeks. The results demonstrated that dietary AFB 1 (≥ 200 ppb) reduced FBW, WG, and SGR. 100, 200, and 400 ppb AFB 1 treatment groups significantly decreased the PER, CRP, C3, C4, IgM, and LYS levels in northern snakehead, while FCR was significant increased. Moreover, dietary AFB 1 (100, 200, and 400 ppb) increased cyp1a, cyp1b (except 400 ppb), and cyp3a mRNA expression levels, while reducing the GST enzymatic activity and mRNA expression levels in northern snakehead. Furthermore, AFB 1 (≥ 100 ppb) increased ROS, MDA, and 8-OHdG levels, and grp78, ire1, perk, jnk, chop, and traf2 mRNA expression levels, and decreased SOD, CAT, GSH-Px, and GSH (except 100 ppb) levels and the gene expression levels of cat, gsh-px (except 100 ppb), and Cu/Zn sod. In addition, AFB 1 (100, 200, and 400 ppb) up-regulated the cyt-c, bax, cas-3, and cas-9 mRNA levels in the liver, while down-regulating the bcl-2 expression levels. Meanwhile, the expression levels of nf-κb, tnf-α (except 100 ppb), il-1β, and il-8 in the liver were up-regulated in AFB 1 treatment groups (≥ 100 ppb), while the iκbα mRNA levels were down-regulated. In summary, dietary AFB 1 reduced growth performance and humoral immunity in northern snakehead. Meanwhile, the cyclic occurrence of oxidative stress and ER stress, and induced apoptosis and inflammation, is one of the main reasons for AFB 1 -induced liver injury in the northern snakehead, which will provide valuable information and a fresh perspective for further research into AFB 1 -induced liver injury in fish., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022. Published by Elsevier B.V.)

Published
2022
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