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Effect of Germination and Heating on Phytase Activity in Cereal Seeds
Ma, Xi,Shan, Anshan Asian Australasian Association of Animal Productio 2002 Animal Bioscience Vol.15 No.7
The effect of germination on phytase activity in wheat NEAU123, triticale5305 and rye2 was studied in the present study. Germination significantly increased phytase activity by 2.04 times for wheat NEAU123 (3 d), 1.82 times for triticale 5305 (1 d) and 2.45 times for rye2 (1 d), respectively. It was safe for phytase in fresh malts kilned for 2 h at $40^{\circ}C$. Phytase in cereal seeds had strong heat stability. There was no loss of phytase activity in cereal seeds heated at $70^{\circ}C$ for 1 h, a little loss (${\leq}$5.46%) at $80^{\circ}C$ or $90^{\circ}C$. Even heated at $100^{\circ}C$, the phytase activity in wheat NEAU123, triticale5305 and rye2 remained 89.47%, 86.44% and 104.64%, respectively.
Liang Tiebiao,Liang Anshan,Zhang Xianbo,Wang Qi,Wu Haiqing,He Jun,Jin Tianbo 한국유전학회 2022 Genes & Genomics Vol.44 No.9
Background: Coronary heart disease (CHD) is a disease that seriously harms human health. Genetic factors seriously affect the CHD susceptibility. The CYP20A1, CYP4F2 and CYP2D6 are important drug metabolism enzymes in the human body. Objective: We aimed to explore the association between CYP20A1, CYP4F2, CYP2D6 single nucleotide polymorphisms (SNPs) and CHD risk in the Chinese Southern Han population. Methods: Based on the 'case-control' experimental design (505 cases and 508 controls), we conducted an association study between 5 candidate SNPs selected from CYP20A1 (rs2043449), CYP4F2 (rs2108622, rs3093106, rs309310), CYP2D6 (rs1065852) and CHD risk. Logistic regression was used to analyze the CHD susceptibility under different genetic models. Multi-factor dimensionality reduction (MDR) was used to analyze the interaction of 'SNP-SNP' in CHD risk. Results: Our results showed that under multiple genetic models, CYP2D6 rs1065852 significantly increased the CHD risk in these participants who are ≤ 60 years old (OR 1.40, CI 1.07-1.82, p = 0.013), smokers (OR 1.40, CI 1.02-1.93, p = 0.039), or have family history (OR 1.24, CI 1.02-1.51, p = 0.035). CYP4F2 SNPs rs2108622 (OR 0.63, CI 0.43-0.93, p = 0.020), rs3093106 (OR 0.52, CI 0.29-0.92, p = 0.023), and rs309310 (OR 0.55, CI 0.31-0.96, p = 0.033) were potentially associated with the course of CHD patients. Conclusion: Our study found that CY2D6 rs1065852 has an outstanding and significant association with increased CHD risk. Our study provided data supplements for CHD genetic susceptibility loci, and also provided a new and valuable reference for CHD drug treatment.
Zhansheng Liu,Antong Jiang,Wenyuan Shao,Anshan Zhang,Xiuli Du 한국강구조학회 2021 International Journal of Steel Structures Vol.21 No.3
Cable force monitoring is an important step in cable truss structural health monitoring. Considering cost eff ectiveness, the accuracy and quality of safety assessments depend primarily on the usage of reasonable cable monitoring programs. Many monitoring methods have been proposed to design the cable truss structure. The emergence of artifi cial neural network (ANN) models has resulted in improved predictive abilities. In this study, an ANN-based model is used to estimate parameter changes in static and prestress loss tests during the construction of a cable truss. The fi nite element model data of 243 cases are analysed by ANSYS and MATLAB. Analysis results indicate the excellent prediction performance as well as high accuracy and generalization of the proposed ANN-based model. Furthermore, the successfully trained ANN-based model is used to predict new cases. As an alternative to fi nite element analysis and physical test, the proposed model can guide the static loading of the spoke cable truss structure and thus allow the safe usage of the structure during service.
Ma, Deying,Liu, Yuqin,Liu, Shengwang,Li, Qundao,Shan, Anshan Asian Australasian Association of Animal Productio 2007 Animal Bioscience Vol.20 No.9
The experiment was conducted to evaluate the effects of Ligustrum lucidum (LL) and Schisandra chinensis (SC) on the growth, antioxidative metabolism and immunity of laying strain male chicks. The results showed that diets supplemented with 1% of either LL or SC had no effects on the growth performance of chicks compared with the control. Furthermore, both LL and SC significantly reduced malondialdehyde (MDA) concentration of serum and heart of chicks (p<0.05). In addition, superoxide dismutase (SOD) activity of serum of the birds was significantly elevated by supplementation with SC (p<0.05). Glutathione reductase (GR) activity of heart and serum of the birds was significantly elevated by supplementation with LL or SC (p<0.05). LL supplementation significantly elevated antibody values against Newcastle Disease virus (NDV)(p<0.05) and lymphoblastogenesis (p<0.05) of the birds. The results suggest that diets supplemented with 1% of either LL or SC may improve immune function and antioxidant status of chicks.
Yu-Yang Chi,Jing-Lin Shen,Jing Zhang,Anshan Shan,Shu-Ling Niu,Chang-Hai Zhou,이홍구,Yong-Cheng Jin 한국식품과학회 2016 Food Science and Biotechnology Vol.25 No.4
The aim of this study is to reveal the relation among villin 2, Wnt/β-catenin, andadipogenesis by adding appropriate lithium chloride (LiCl). The study comprises three parts: theselection of LiCl concentration, the effect of LiCl on adipocyte differentiation during and afterdifferentiation induction. By comprehensively analyzing the results of the experiments, we proved thatLiCl can inhibit adipocyte differentiation and enhance villin 2 and β-catenin expressions not only duringdifferentiation induction but also after it. Moreover, villin 2 has a significant impact on β-catenin. Wesuggest that villin 2 may participate in Wnt/β-catenin signaling.
Li Feng,Yang Chunxu,Xie Yingjie,Gao Xiang,Zhang Yuanyuan,Ning Hangyi,Liu Guangtao,Chen Zhihui,Shan Anshan 아세아·태평양축산학회 2022 Animal Bioscience Vol.35 No.8
Objective: The objectives of this study were to evaluate the effects of daily feed intake during the laying period on embryonic myogenic differentiation 1 (MYOD1), myogenic factor 5 (MYF5), and myogenic factor 6 (MYF6) gene expression in genetically fat and lean lines of chickens. Methods: An experiment in a 2×2 factorial design was conducted with two dietary intake levels (100% and 75% of nutrition recommendation) and two broiler chicken lines (fat and lean). Two lines of hens (n = 384 for each line) at 23th week of age were randomly divided into 4 treatments with 12 replicates of 16 birds. The experiment started at 27th week of age (5% egg rate) and ended at 54th week of age. Hatched eggs from the medium laying period were collected. Real time polymerase chain reaction analysis was used to analyse the MYOD1, MYF5, and MYF6 mRNA levels of E7, E9, E11, E13, and E15 body tissues and E17, E19, and E21 chest and thigh muscle samples. Results: The results indicated that there were significant effects of line, dietary intake, and interactions between them on MYOD1, MYF5, and MYF6 gene mRNA expression levels in embryonic tissues. Low daily feed intake did not change the expression trend of MYOD1 mRNA in either line, but changed the peak values, especially in lean line. Low daily feed intake altered the trend in MYF5 mRNA expression level in both lines and apparently delayed its onset. There was no apparent effect of low daily feed intake on the trends of MYF6 mRNA expression levels in either line, but it significantly changed the values on many embryonic days. Conclusion: Maternal nutrient restriction affects myogenesis and is manifested in the expression of embryonic MYOD1, MYF5, and MYF6 genes. Long term selection for fat deposition in broiler chickens changes the pattern and intensity of myogenesis. Objective: The objectives of this study were to evaluate the effects of daily feed intake during the laying period on embryonic myogenic differentiation 1 (<i>MYOD1</i>), myogenic factor 5 (<i>MYF5</i>), and myogenic factor 6 (<i>MYF6</i>) gene expression in genetically fat and lean lines of chickens.Methods: An experiment in a 2×2 factorial design was conducted with two dietary intake levels (100% and 75% of nutrition recommendation) and two broiler chicken lines (fat and lean). Two lines of hens (n = 384 for each line) at 23th week of age were randomly divided into 4 treatments with 12 replicates of 16 birds. The experiment started at 27th week of age (5% egg rate) and ended at 54th week of age. Hatched eggs from the medium laying period were collected. Real time polymerase chain reaction analysis was used to analyse the <i>MYOD1</i>, <i>MYF5</i>, and <i>MYF6</i> mRNA levels of E7, E9, E11, E13, and E15 body tissues and E17, E19, and E21 chest and thigh muscle samples.Results: The results indicated that there were significant effects of line, dietary intake, and interactions between them on <i>MYOD1</i>, <i>MYF5</i>, and <i>MYF6</i> gene mRNA expression levels in embryonic tissues. Low daily feed intake did not change the expression trend of <i>MYOD1</i> mRNA in either line, but changed the peak values, especially in lean line. Low daily feed intake altered the trend in <i>MYF5</i> mRNA expression level in both lines and apparently delayed its onset. There was no apparent effect of low daily feed intake on the trends of <i>MYF6</i> mRNA expression levels in either line, but it significantly changed the values on many embryonic days.Conclusion: Maternal nutrient restriction affects myogenesis and is manifested in the expression of embryonic <i>MYOD1</i>, <i>MYF5</i>, and <i>MYF6</i> genes. Long term selection for fat deposition in broiler chickens changes the pattern and intensity of myogenesis.