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Tian JJ, Chen YX, Liu ZX, Liu JK. Synthesis and Mechanism of Co 2+/Sr 2+ Codoped Magnetic Lanthanum Cuprate with Excellent Corrosion Resistance. ACS Appl Mater Interfaces 2023; 15:53651-53664. [PMID: 37944056 DOI: 10.1021/acsami.3c09858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
The special structure of perovskite-like compounds allows the existence of some open spaces in the crystals that play an important role in their crystal function enhancement and can accommodate active oxygen, which helps to solve some problems in the field of corrosion prevention. The magnetic lanthanum cuprate was obtained through the doping of Co2+ and Sr2+, and compared with La2CuO4 and epoxy resin, its corrosion resistance was improved by 215.2 and 566.7%, respectively. The micromagnetic field in the crystal interfered with the state of motion of the electrons and prolonged their transport path. High concentration doping and substitution of unequal states led to the formation of oxygen vacancy defects, which could trap active oxygen molecules and inhibit cathodic corrosion reactions. The unique alternating interlayer structure of perovskite-like compounds was conducive to the release of Cu2+, thus forming a more stable passivator on the surface of the coating. La1.96Sr0.04Cu0.98Co0.02O4 had both magnetic properties and structural advantages, which enhanced the shielding property of epoxy resin and expanded the application of perovskite-like compounds in the field of corrosion prevention.
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Affiliation(s)
- Jing-Jing Tian
- Key Laboratory for Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Yi-Xiang Chen
- Key Laboratory for Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Zi-Xiang Liu
- Key Laboratory for Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Jin-Ku Liu
- Key Laboratory for Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
- Material Corrosion and Protection Key Laboratory of Sichuan Province, Sichuan Province 643000, P. R. China
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Xia Y, Yang HC, Zhang K, Tian JJ, Li ZF, Yu EM, Li HY, Gong WB, Xie WP, Wang GJ, Xie J. Berberine regulates glucose metabolism in largemouth bass by modulating intestinal microbiota. Front Physiol 2023; 14:1147001. [PMID: 36969581 PMCID: PMC10033662 DOI: 10.3389/fphys.2023.1147001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 02/24/2023] [Indexed: 03/11/2023] Open
Abstract
This study examined the role of intestinal microbiota in berberine (BBR)-mediated glucose (GLU) metabolism regulation in largemouth bass. Four groups of largemouth bass (133.7 ± 1.43 g) were fed with control diet, BBR (1 g/kg feed) supplemented diet, antibiotic (ATB, 0.9 g/kg feed) supplemented diet and BBR + ATB (1g/kg feed +0.9 g/kg feed) supplemented diet for 50 days. BBR improved growth, decreased the hepatosomatic and visceral weight indices, significantly downregulated the serum total cholesterol and GLU levels, and significantly upregulated the serum total bile acid (TBA) levels. The hepatic hexokinase, pyruvate kinase, GLU-6-phosphatase and glutamic oxalacetic transaminase activities in the largemouth bass were significantly upregulated when compared with those in the control group. The ATB group exhibited significantly decreased final bodyweight, weight gain, specific growth rates and serum TBA levels, and significantly increased hepatosomatic and viscera weight indices, hepatic phosphoenolpyruvate carboxykinase, phosphofructokinase, and pyruvate carboxylase activities, and serum GLU levels. Meanwhile, the BBR + ATB group exhibited significantly decreased final weight, weight gain and specific growth rates, and TBA levels and significantly increased hepatosomatic and viscera weight indices and GLU levels. High-throughput sequencing revealed that compared with those in the control group, the Chao one index and Bacteroidota contents were significantly upregulated and the Firmicutes contents were downregulated in the BBR group. Additionally, the Shannon and Simpson indices and Bacteroidota levels were significantly downregulated, whereas the Firmicutes levels were significantly upregulated in ATB and BBR + ATB groups. The results of in-vitro culture of intestinal microbiota revealed that BBR significantly increased the number of culturable bacteria. The characteristic bacterium in the BBR group was Enterobacter cloacae. Biochemical identification analysis revealed that E. cloacae metabolizes carbohydrates. The size and degree of vacuolation of the hepatocytes in the control, ATB, and ATB + BBR groups were higher than those in the BBR group. Additionally, BBR decreased the number of nuclei at the edges and the distribution of lipids in the liver tissue. Collectively, BBR reduced the blood GLU level and improved GLU metabolism in largemouth bass. Comparative analysis of experiments with ATB and BBR supplementation revealed that BBR regulated GLU metabolism in largemouth bass by modulating intestinal microbiota.
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Affiliation(s)
- Yun Xia
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
- Hainan Fisheries Innovation Research Institute, Chinese Academy of Fishery Sciences, Sanya, China
| | - Hui-Ci Yang
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
- Hainan Fisheries Innovation Research Institute, Chinese Academy of Fishery Sciences, Sanya, China
| | - Kai Zhang
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
- Hainan Fisheries Innovation Research Institute, Chinese Academy of Fishery Sciences, Sanya, China
| | - Jing-Jing Tian
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
- Hainan Fisheries Innovation Research Institute, Chinese Academy of Fishery Sciences, Sanya, China
| | - Zhi-Fei Li
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
- Hainan Fisheries Innovation Research Institute, Chinese Academy of Fishery Sciences, Sanya, China
| | - Er-Meng Yu
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
- Hainan Fisheries Innovation Research Institute, Chinese Academy of Fishery Sciences, Sanya, China
| | - Hong-Yan Li
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
- Hainan Fisheries Innovation Research Institute, Chinese Academy of Fishery Sciences, Sanya, China
| | - Wang-Bao Gong
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
- Hainan Fisheries Innovation Research Institute, Chinese Academy of Fishery Sciences, Sanya, China
| | - Wen-Ping Xie
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
- Hainan Fisheries Innovation Research Institute, Chinese Academy of Fishery Sciences, Sanya, China
| | - Guang-Jun Wang
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
- Hainan Fisheries Innovation Research Institute, Chinese Academy of Fishery Sciences, Sanya, China
- *Correspondence: Guang-Jun Wang, ; Jun Xie,
| | - Jun Xie
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
- Hainan Fisheries Innovation Research Institute, Chinese Academy of Fishery Sciences, Sanya, China
- *Correspondence: Guang-Jun Wang, ; Jun Xie,
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Du Z, Lin S, Li J, Tian J, Xu W, Huang K, Liu Q, Sun Y. Nano-gold-enhanced LAMP method for qualitative visual detection of Salmonella in milk. Mikrochim Acta 2022; 189:365. [PMID: 36048255 DOI: 10.1007/s00604-022-05459-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 08/09/2022] [Indexed: 10/14/2022]
Abstract
Since Salmonella can cause foodborne disease and public health safety issues and requires a robust, rapid, on-site detection method, a novel visual qualitative method with nano-gold-enhanced loop-mediated isothermal amplification (LAMP) reaction was established for detecting Salmonella in an integrated tube. During the experiment, nano-gold were used to enhance LAMP amplification, improving amplification efficiency and shortening the reaction time to within 30 min. Visual qualitative detection is achieved via negative staining, involving the addition of CuSO4 to the final products of the LAMP reaction. Ring-like white accumulation occurs in the absence of Salmonella targets but not when they are present. After completing the LAMP reaction, the integration tube was shaken gently for 1 min to observe the liquid phase system changes, realizing the closed tube detection of Salmonella. The process resolved the challenge presented by cross-contamination, false positives, and nonspecific amplification during the LAMP reaction. This method was used to detect Salmonella in milk, further highlighting its prospects in the field of rapid food safety detection.
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Affiliation(s)
- ZaiHui Du
- College of Food Science and Nutritional Engineering (Institute of Nutrition and Health), China Agricultural University, Beijing, 100083, China
| | - ShengHao Lin
- College of Food Science and Nutritional Engineering (Institute of Nutrition and Health), China Agricultural University, Beijing, 100083, China
| | - JiaLe Li
- College of Food Science and Nutritional Engineering (Institute of Nutrition and Health), China Agricultural University, Beijing, 100083, China
| | - JingJing Tian
- College of Food Science and Nutritional Engineering (Institute of Nutrition and Health), China Agricultural University, Beijing, 100083, China
| | - WenTao Xu
- College of Food Science and Nutritional Engineering (Institute of Nutrition and Health), China Agricultural University, Beijing, 100083, China. .,Key Laboratory of Agricultural Genetically Modified Organisms Safety Evaluation (Edible), Ministry of Agriculture, Beijing, 100083, China.
| | - KunLun Huang
- College of Food Science and Nutritional Engineering (Institute of Nutrition and Health), China Agricultural University, Beijing, 100083, China.,Key Laboratory of Agricultural Genetically Modified Organisms Safety Evaluation (Edible), Ministry of Agriculture, Beijing, 100083, China
| | - QingLiang Liu
- Shandong Baier Testing Co., Ltd, No.1, Fuhua Lane 2, Weifang City, 261061, Shandong Province, China
| | - YanLi Sun
- Shandong Baier Testing Co., Ltd, No.1, Fuhua Lane 2, Weifang City, 261061, Shandong Province, China
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Lei CX, Xie YJ, Li SJ, Jiang P, Du JX, Tian JJ. Fabp4 contributes toward regulating inflammatory gene expression and oxidative stress in Ctenopharyngodon idella. Comp Biochem Physiol B Biochem Mol Biol 2022; 259:110715. [PMID: 34999220 DOI: 10.1016/j.cbpb.2022.110715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 12/20/2021] [Accepted: 01/04/2022] [Indexed: 12/12/2022]
Abstract
Fatty acid-binding protein (Fabp)-4 is a member of the FABP family. Mammalian fabp4 has been demonstrated to involve in inflammation and immunity, whereas the related data of fish fabp4 remain limited. Therefore, we further investigated the effects of fabp4 on immunity in Ctenopharyngodon idella. The fabp4 sequence spanned 405 bp was cloned first, sharing high identity to fabp4 from other fish and mammals. Fabp4 expression was the highest in the adipose tissue, followed by the heart, muscle, and liver. In vivo, lipopolysaccharide (LPS) triggered the expression of fabp4, toll-like receptor (tlr)-22, interleukin (il)-1β, and tumor necrosis factor (tnf)-α in the kidney and spleen. In vitro, exposing C. idella CIK cells to LPS decreased their viability, and the expression of fabp4 was also increased by LPS. However, BMS309403, an inhibitor of FABP4, mitigated these effects. Furthermore, treating the cells with LPS or fabp4 overexpression plasmids resulted in reactive oxygen species (ROS) generation and upregulation of inflammatory genes expression, including tlr22, type-I interferon (ifn-1), interferon regulatory factor (irf)-7, tnfα, il-1β, and interferon-β promoter stimulator 1. These effects were ameliorated by preincubation with BMS309403. Moreover, incubating the cells with glutathione reduced the production of ROS and the expression of inflammatory genes that were evoked by LPS and plasmid treatments. These results showed that fabp4 acts as a pro-inflammatory molecule via elevating ROS levels, providing a novel understanding of the molecular regulation of innate immunity in teleosts.
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Affiliation(s)
- Cai-Xia Lei
- Key Laboratory of Aquatic Animal Immune Technology of Guangdong Province, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, PR China; Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, PR China
| | - Yu-Jing Xie
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, PR China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, PR China
| | - Sheng-Jie Li
- Key Laboratory of Aquatic Animal Immune Technology of Guangdong Province, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, PR China; Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, PR China.
| | - Peng Jiang
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, PR China
| | - Jin-Xing Du
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, PR China
| | - Jing-Jing Tian
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Ministry of Agriculture and Rural Affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, PR China
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Xiong JB, Ban DD, Zhou YJ, Li JZ, Chen SR, Liu GQ, Tian JJ, Mi LW, Li DM. A novel AIE-active imidazolium macrocyclic ratiometric fluorescence sensor for pyrophosphate anion. RSC Adv 2022; 12:6876-6880. [PMID: 35424634 PMCID: PMC8981699 DOI: 10.1039/d2ra00293k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 02/22/2022] [Indexed: 12/14/2022] Open
Abstract
An imidazolium bridged macrocyclophane was synthesized as a ratiometric fluorescence sensor with aggregation-induced emission (AIE) characteristic to detect pyrophosphate anion with high selectivity among various anions. In the presence of zinc ion, macrocyclophane can form aggregates through complexation with pyrophosphate anion and emit ratiometric fluorescence, resulting from an enhancement in its aggregate-state emission and a reduction in its monomer emission. This AIE-active macrocycle showed great potential as a ratiometric fluorescence receptor.
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Affiliation(s)
- Jia-Bin Xiong
- School of Material and Chemical Engineering, Center for Advanced Materials Research, Zhongyuan University of Technology Zhengzhou 450007 China .,College of Chemistry, Green Catalysis Center, International Phosphorus Laboratory, International Joint Research Laboratory for Functional Organophosphorus Materials of Henan Province, Zhengzhou University Zhengzhou 450001 People's Republic of China
| | - Ding-Ding Ban
- School of Material and Chemical Engineering, Center for Advanced Materials Research, Zhongyuan University of Technology Zhengzhou 450007 China
| | - Yong-Juan Zhou
- School of Material and Chemical Engineering, Center for Advanced Materials Research, Zhongyuan University of Technology Zhengzhou 450007 China
| | - Jin-Zhan Li
- School of Material and Chemical Engineering, Center for Advanced Materials Research, Zhongyuan University of Technology Zhengzhou 450007 China
| | - Si-Ru Chen
- School of Material and Chemical Engineering, Center for Advanced Materials Research, Zhongyuan University of Technology Zhengzhou 450007 China
| | - Guo-Qun Liu
- School of Material and Chemical Engineering, Center for Advanced Materials Research, Zhongyuan University of Technology Zhengzhou 450007 China
| | - Jing-Jing Tian
- AIE Research Center, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences Baoji 721013 China
| | - Li-Wei Mi
- School of Material and Chemical Engineering, Center for Advanced Materials Research, Zhongyuan University of Technology Zhengzhou 450007 China
| | - Dong-Mi Li
- College of Chemistry and Chemical Engineering, Luoyang Normal University Luoyang Henan 471000 P. R. China
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Zhang J, Wang X, Tian JJ, Zhu R, Duo RX, Huang YC, Shen HL. Iguratimod in treatment of primary Sjögren’s syndrome concomitant with autoimmune hemolytic anemia: A case report. World J Clin Cases 2022; 10:1286-1290. [PMID: 35211561 PMCID: PMC8855182 DOI: 10.12998/wjcc.v10.i4.1286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 11/03/2021] [Accepted: 12/23/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Primary Sjögren's syndrome (pSS) concomitant with autoimmune hemolytic anemia (AIHA) but without eye and mouth dryness is exceedingly rare. Iguratimod (IGU) has been widely used in the treatment of pSS. However, there are few reports about the application of IGU in pSS concomitant with AIHA.
CASE SUMMARY Here, we present the case of a patient with pSS concomitant with AIHA but without eye and mouth dryness. The patient was initially diagnosed with hyperplastic anemia and AIHA while pSS was missed, and was finally diagnosed with pSS concomitant with AIHA. The patient was treated with IGU along with prednisone and hydroxychloroquine, and her hemoglobin, reticulocytes and IgG returned to normal levels.
CONCLUSION IGU was effective for and well tolerated by our patient with pSS concomitant with AIHA, and may be a promising therapy for the treatment of this disease.
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Affiliation(s)
- Juan Zhang
- Department of Rheumatology, Lanzhou University Second Hospital, Lanzhou 730030, Gansu Province, China
| | - Xin Wang
- Department of Rheumatology, Lanzhou University Second Hospital, Lanzhou 730030, Gansu Province, China
| | - Jing-Jing Tian
- Department of Rheumatology, Lanzhou University Second Hospital, Lanzhou 730030, Gansu Province, China
| | - Rong Zhu
- Department of Rheumatology, Lanzhou University Second Hospital, Lanzhou 730030, Gansu Province, China
| | - Rui-Xue Duo
- Department of Rheumatology, Lanzhou University Second Hospital, Lanzhou 730030, Gansu Province, China
| | - Yi-Chen Huang
- Second Clinical Medical College, Lanzhou University, Lanzhou 730030, Gansu Province, China
| | - Hai-Li Shen
- Department of Rheumatology, Lanzhou University Second Hospital, Lanzhou 730030, Gansu Province, China
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7
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Duan SB, Wei SS, Wang HM, Ding SH, Chen YZ, Tian JJ, Wang YJ, Chen W, Chen J, Meng QL. [Intein-Mediated Protein trans-Splicing of the Recombinant Streptavidin on Magnetosomes]. Mol Biol (Mosk) 2021; 55:982-986. [PMID: 34837702 DOI: 10.31857/s0026898421060057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 03/12/2021] [Indexed: 11/24/2022]
Abstract
When expressing streptavidin recombinant polypeptide on magnetosomes (called bacterial magnetic nanoparticles, or BMPs), the presence of endogenous bacterial biotin might be detrimental. In the study, the streptavidin monomer fragment (S1-116) was fused with the intein N-terminal (termed precursor S1-116-IN), and S1-116-IN was expressed in E. coli (BL21). Meanwhile, the SA117-160 fragment was fused with the C-terminal intein, and then this chimeric polypeptide was expressed on magnetosomes by fusion with magnetosome membrance protein MamF. In the in vitro protein splicing system, the purified engineered magnetosomes (BMP-SA117-160-IC) and the S1-116-IN precursor were mixed. Intein-mediated trans-splicing reaction was induced to produce the functional magnetic beads BMP-SA. Our results indicate that intein-mediated protein trans-splicing may lead to efficient synthesis of the recombinant streptavidin on the magnetosomes, showing its promising potential to produce other functional magnetic nanoparticles.
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Affiliation(s)
- S B Duan
- Suzhou Institute of Biomedical Engineering and Technology, Suzhou, 215163 China.,Jihua Laboratory, Foshan, 315200 China
| | - S S Wei
- Suzhou Institute of Biomedical Engineering and Technology, Suzhou, 215163 China.,Jihua Laboratory, Foshan, 315200 China
| | - H M Wang
- Suzhou Institute of Biomedical Engineering and Technology, Suzhou, 215163 China.,Jihua Laboratory, Foshan, 315200 China
| | - S H Ding
- Suzhou Institute of Biomedical Engineering and Technology, Suzhou, 215163 China.,Jihua Laboratory, Foshan, 315200 China
| | - Y Z Chen
- Suzhou Institute of Biomedical Engineering and Technology, Suzhou, 215163 China.,Jihua Laboratory, Foshan, 315200 China
| | - J J Tian
- Suzhou Institute of Biomedical Engineering and Technology, Suzhou, 215163 China.,Jihua Laboratory, Foshan, 315200 China
| | - Y J Wang
- Suzhou Institute of Biomedical Engineering and Technology, Suzhou, 215163 China
| | - W Chen
- Suzhou Blood Center, Suzhou, 215006 China
| | - J Chen
- Suzhou Blood Center, Suzhou, 215006 China.,
| | - Q L Meng
- Suzhou Institute of Biomedical Engineering and Technology, Suzhou, 215163 China.,
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Chen CM, Wang M, Li XP, Li PL, Tian JJ, Zhang K, Luo C. Correction to: Homology analysis between clinically isolated extraintestinal and enteral Klebsiella pneumoniae among neonates. BMC Microbiol 2021; 21:37. [PMID: 33530923 PMCID: PMC7852220 DOI: 10.1186/s12866-021-02100-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Chun-Mei Chen
- Department of Laboratory Medicine, The Fifth Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Min Wang
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011, Hunan, China.
| | - Xian-Ping Li
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011, Hunan, China
| | - Peng-Ling Li
- Department of Laboratory, Medicine, Jiangxi Cancer Hospital, Nanchang, Jiangxi, China
| | - Jing-Jing Tian
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011, Hunan, China
| | - Kan Zhang
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011, Hunan, China
| | - Can Luo
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011, Hunan, China
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9
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Chen CM, Wang M, Li XP, Li PL, Tian JJ, Zhang K, Luo C. Homology analysis between clinically isolated extraintestinal and enteral Klebsiella pneumoniae among neonates. BMC Microbiol 2021; 21:25. [PMID: 33430787 PMCID: PMC7802202 DOI: 10.1186/s12866-020-02073-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 12/15/2020] [Indexed: 02/03/2023] Open
Abstract
Background Klebsiella pneumoniae is a leading cause of hospital-associated (HA) infections. It has been reported that gastrointestinal colonization (GI) is likely to be a common and significant reservoir for the transmission and infections of K. pneumoniae in both adults and neonates. However, the homologous relationship between clinically isolated extraintestinal and enteral K. pneumoniae in neonates hasn’t been characterized yet. Results Forty-three isolates from 21 neonatal patients were collected in this study. The proportion of carbapenem resistance was 62.8%. There were 12 patients (12/21, 57.4%) whose antibiotic resistance phenotypes, genotypes, and ST types (STs) were concordant. Six sequence types were detected using MLST, with ST37 and ST54 being the dominant types. The results of MLST were consist with the results of PFGE. Conclusions These data showed that there might be a close homologous relationship between extraintestinal K. pneumoniae (EXKP) and enteral K. pneumoniae (EKP) in neonates, indicating that the K. pneumoniae from the GI tract is possibly to be a significant reservoir for causing extraintestinal infections. Supplementary Information The online version contains supplementary material available at 10.1186/s12866-020-02073-2.
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Affiliation(s)
- Chun-Mei Chen
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011, Hunan, China
| | - Min Wang
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011, Hunan, China.
| | - Xian-Ping Li
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011, Hunan, China
| | - Peng-Ling Li
- Department of Laboratory Medicine, Jiangxi Cancer Hospital, Nanchang, Jiangxi, China
| | - Jing-Jing Tian
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011, Hunan, China
| | - Kan Zhang
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011, Hunan, China
| | - Can Luo
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, 410011, Hunan, China
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10
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Zhan YH, Wei YC, Tian JJ, Gao YY, Luo MC, Liao S. Effect of protein on the thermogenesis performance of natural rubber matrix. Sci Rep 2020; 10:16417. [PMID: 33009499 PMCID: PMC7532221 DOI: 10.1038/s41598-020-73546-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 09/14/2020] [Indexed: 12/03/2022] Open
Abstract
Under high-speed strain, the thermogenesis performance of natural rubber products is unstable, leading to aging and early failure of the material. The quality of rubber latex and eventually that of the final products depends among others on the protein content. We found that when the protein is almost removed, the heat generated by the vulcanized rubber increases rapidly. After adding soy protein isolate to the secondary purification rubber, the heat generation of the vulcanized rubber is reduced, and the heat generation is the lowest when the added amount is 2.5–3.0 phr, which on account of protein promotes the construction of a vulcanization network and increases the rigidity of the rubber chain, resulting in a decrease in the potential frictional behavior of the rubber chain during the curl up-extension process.
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Affiliation(s)
- Yue-Hua Zhan
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Materials Science and Engineering, Hainan University, Haikou, China
| | - Yan-Chan Wei
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Materials Science and Engineering, Hainan University, Haikou, China
| | - Jing-Jing Tian
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Materials Science and Engineering, Hainan University, Haikou, China
| | - Yuan-Yuan Gao
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Materials Science and Engineering, Hainan University, Haikou, China
| | - Ming-Chao Luo
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Materials Science and Engineering, Hainan University, Haikou, China
| | - Shuangquan Liao
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Materials Science and Engineering, Hainan University, Haikou, China.
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Tian JJ, Chen CK, Thomas J, Chang CT. Augmentation of Photocatalytic Degradation of Oxytetracycline by Cu-CdS and Deciphering the Contribution of Reactive Oxygen Species. J Nanosci Nanotechnol 2020; 20:6245-6256. [PMID: 32384974 DOI: 10.1166/jnn.2020.18558] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Production of Copper (Cu) modified Cadmium sulfide (CdS) nanomaterial, named as Cu-CdS, was successfully synthesized through hydrothermal and photo deposition method to degrade oxytetracycline (OTC) antibiotics in aqueous solution. Uniform surface loading of copper was observed on CdS using Scanning Electron Microscopy-mapping (SEM-mapping). The Cu induced improvement in the visible light absorption was observed using UV-vis absorption spectrum. Thus, this material can exhibit excellent oxytetracycline (OTC) degradation by photocatalysis. The best OTC degradation efficiency of 90% was be achieved under the optimal concentration of 4% Cu-CdS, with 0.1 g L-1 dosage (pH 5) under UV irradiation. 0.167 mg L-1 min-1 was observed as the reaction kL-H on the peripheral of the catalyst. In addition, OTC can also be degraded under visible light with removal efficiency approximately 90%. Moreover, the contribution of main reactive oxygen species (ROS), including hydroxyl radicals, superoxide radical and holes, is evaluated as 18%, 43% and 29%.
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Affiliation(s)
- Jing-Jing Tian
- Department of Environmental Engineering, National Ilan University, Yilan 26047, Taiwan
| | - Chih-Kuei Chen
- Continental Water Engineering Corp., Taipei, 10364, Taiwan
| | - Joy Thomas
- Department of Environmental Engineering, National Ilan University, Yilan 26047, Taiwan
| | - Chang-Tang Chang
- Department of Environmental Engineering, National Ilan University, Yilan 26047, Taiwan
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12
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Li S, Zhang Y, Tian J, Xu W. Luminescent DNAzyme and universal blocking linker Super Polymerase Chain Reaction visual biosensor for the detection of Salmonella. Food Chem 2020; 324:126859. [DOI: 10.1016/j.foodchem.2020.126859] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 04/09/2020] [Accepted: 04/17/2020] [Indexed: 02/07/2023]
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13
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Tian JJ, Zhang JM, Yu EM, Sun JH, Xia Y, Zhang K, Li ZF, Gong WB, Wang GJ, Xie J. Identification and analysis of lipid droplet-related proteome in the adipose tissue of grass carp (Ctenopharyngodon idella) under fed and starved conditions. Comp Biochem Physiol Part D Genomics Proteomics 2020; 36:100710. [PMID: 32659607 DOI: 10.1016/j.cbd.2020.100710] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 07/02/2020] [Accepted: 07/04/2020] [Indexed: 11/29/2022]
Abstract
Fat accumulation in the mesenteric adipose tissue is a serious problem in grass carp (Ctenopharyngodon idella) culture. Lipid droplet-related proteins (LDRPs) are involved in the formation, degradation, and biological functions of lipid droplets. In this study, we aimed to provide reference proteomics data to study lipid droplet regulation in fish. We isolated LDRPs from the mesenteric adipose tissue of grass carp (1-year-old) after normal feeding and 7 days of starvation, and identified and analysed them using isobaric tags for relative and absolute quantitation (iTRAQ) technology. Short-term starvation had no significant effect on the body weight, condition factor, visceral index, hepatopancreas index, intraperitoneal fat index, adipose tissue triglyceride content, and adipocyte size of grass carp. Nine hundred and fifty proteins were identified and annotated using the Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) databases; they are involved in a variety of metabolic and signalling pathways, including amino acid, lipid, and carbohydrate metabolism, and the PI3K-Akt signalling pathway. There were 296 differentially expressed proteins (DEPs), with 143 up-regulated and 153 down-regulated proteins. Three proteins involved in triglyceride and fatty acid syntheses and two proteins involved in autophagy were up-regulated, and six proteins involved in lipid catabolism were down-regulated. These results indicate that under short-term starvation, lipid droplets in the adipose tissue of grass carp may maintain their shape by promoting fat production and inhibiting lipolysis, and autophagy may be one of the main strategies for coping with short-term energy deprivation.
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Affiliation(s)
- Jing-Jing Tian
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
| | - Jun-Ming Zhang
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China; Tianjin Key Lab of Aqua-Ecology and Aquaculture, Tianjin Agricultural University, Tianjin 300384, China
| | - Er-Meng Yu
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China.
| | - Jin-Hui Sun
- Tianjin Key Lab of Aqua-Ecology and Aquaculture, Tianjin Agricultural University, Tianjin 300384, China
| | - Yun Xia
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
| | - Kai Zhang
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
| | - Zhi-Fei Li
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
| | - Wang-Bao Gong
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
| | - Guang-Jun Wang
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
| | - Jun Xie
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China.
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14
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Li X, Du Z, Lin S, Tian J, Tian H, Xu W. ExoIII and TdT dependent isothermal amplification (ETDA) colorimetric biosensor for ultra-sensitive detection of Hg2+. Food Chem 2020; 316:126303. [DOI: 10.1016/j.foodchem.2020.126303] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 11/22/2019] [Accepted: 01/26/2020] [Indexed: 01/01/2023]
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15
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Fu HT, Xu YY, Tian JJ, Fu JX, Nie SL, Tang YY, Chen P, Zong L. Long-term efficacy of capecitabine plus oxaliplatin chemotherapy on stage III colon cancer: A meta-analysis. World J Meta-Anal 2020; 8:27-40. [DOI: 10.13105/wjma.v8.i1.27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 09/26/2019] [Accepted: 10/19/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Many clinical studies for the long-term survival or efficacy of capecitabine plus oxaliplatin (XELOX) in colon cancer have already been studied, but its clinical benefit is controversial.
AIM To evaluate the long-term efficacy of XELOX regimen in comparison with other adjuvant chemotherapy protocols in colon cancer.
METHODS By searching the PubMed, EMBASE and Cochrane databases, a total of 12 randomized controlled trials involving 6698 stage III colon cancer cases (XELOX protocol: n = 3298 cases; other adjuvant chemotherapy protocol: n = 3268 cases) were included. The parameter outcomes included the overall survival and the disease-free survival. The quality control of selected literature was based on the Jadad scale and the GRADE system.
RESULTS In comparison to other adjuvant chemotherapy regimen, XELOX regimen showed a better overall survival (odds ratio = 1.29, 95% confidence interval: 1.15-1.44, P < 0.0001) and a better disease-free survival (odds ratio = 1.32, 95% confidence interval: 1.18-1.46, P < 0.0001) for colon cancer patients, suggesting the XELOX regimen can be a good option for postoperative treatment of stage III colon cancer.
CONCLUSION The XELOX regimen can be a preferred option for adjuvant treatment of stage III colon cancer after surgery.
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Affiliation(s)
- Hong-Tao Fu
- Department of Clinical Medicine, University of South China, Hengyang 421000, Hunan Province, China
| | - Ying-Ying Xu
- Department of General Surgery, Yizheng People’s Hospital, Yangzhou University, Yangzhou 225000, Jiangsu Province, China
| | - Jing-Jing Tian
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha 410013, Hunan Province, China
| | - Jia-Xin Fu
- Department of General Surgery, Northern Jiangsu People’s Hospital, Yangzhou University, Yangzhou 225000, Jiangsu Province, China
| | - Shao-Ling Nie
- Department of Colorectal Surgery, Hunan Cancer Hospital, Central South University, Changsha 410000, Hunan Province, China
| | - Yan-Yan Tang
- Department of Colorectal Surgery, Hunan Cancer Hospital, Central South University, Changsha 410000, Hunan Province, China
| | - Ping Chen
- Department of General Surgery, Northern Jiangsu People’s Hospital, Yangzhou University, Yangzhou 225000, Jiangsu Province, China
| | - Liang Zong
- Department of General Surgery, Northern Jiangsu People’s Hospital, Yangzhou University, Yangzhou 225000, Jiangsu Province, China
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16
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Lei CX, Li MM, Tian JJ, Wen JK, Li YY. Transcriptome analysis of golden pompano (Trachinotus ovatus) liver indicates a potential regulatory target involved in HUFA uptake and deposition. Comp Biochem Physiol Part D Genomics Proteomics 2019; 33:100633. [PMID: 31733535 DOI: 10.1016/j.cbd.2019.100633] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 10/21/2019] [Accepted: 10/21/2019] [Indexed: 12/12/2022]
Abstract
Promoting highly unsaturated fatty acid (HUFA) uptake and deposition can improve nutritional value of farmed fish and reduce dietary fish oil addition. Previously, we found that the golden pompano Trachinotus ovatus liver HUFA content increased with the increasing of dietary HUFA. Therefore, we examined the common genes and pathways responsible for HUFA uptake and deposition in T. ovatus liver using transcriptome sequencing technology after feeding with either 1.0% or 2.1% HUFA for 8 weeks. Results showed that a total of 140 and 147 genes were significantly upregulated and downregulated, respectively. Five bile acid synthesis-related genes (CYP7A1, CYP8B1, AKR1D1, SCP2 and ACOT8), which are related to dietary fat emulsification were downregulated in 2.1% HUFA group, implying that the cholate synthesized through the classical pathway might be the main bile acid form in fat emulsification. Moreover, fatty acid transport protein (FATP)-6, fatty acid binding protein (FABP)-1, -4, and -6 increased with HUFA deposition, especially FATP6 and FABP4, suggesting that the two genes may be important mediators involved in HUFA uptake and deposition. KEGG analysis showed that most of the differential genes described above were involved in peroxisome proliferator activator receptor (PPAR) signaling pathway, and PPARγ increased with HUFA deposition, indicating that PPARγ might be a key regulator of HUFA uptake and deposition by regulating the genes involved in fatty acid emulsification and transport. This study focused on the liver, which is the center of intermediary metabolism, providing a comprehensive understanding of the molecular regulation of HUFA uptake and deposition in T. ovatus, which should be further investigated to develop potential measures to improve HUFA content.
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Affiliation(s)
- Cai-Xia Lei
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Meng-Meng Li
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Jing-Jing Tian
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
| | - Ji-Kai Wen
- College of Life Science, South China Agricultural University, Guangzhou 510642, China.
| | - Yuan-You Li
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China.
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17
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Li S, Li G, Du Z, Zhu L, Tian J, Luo Y, Huang K, Xu W. The ultra-sensitive visual biosensor based on thermostatic triple step functional nucleic acid cascade amplification for detecting Zn2+. Food Chem 2019; 290:95-100. [DOI: 10.1016/j.foodchem.2019.03.134] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 03/21/2019] [Accepted: 03/25/2019] [Indexed: 12/29/2022]
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Abstract
Objective: Endoscopic therapy can reduce the risks of rebleeding, continued bleeding, need for surgery, and mortality. The objective of this systematic review was to compare the different modalities of endoscopic therapy for GI bleeding. Methods: Studies were identified by searching electronic databases MEDLINE. We selected all available clinical studies published after 2000 that assessed efficacy and/or safety of different endoscopic hemostatic techniques in treating GI bleeding. The outcomes evaluated included initial hemostasis, rebleeding rate, and 30-day all-cause mortality. Network meta-analyses were performed to summarize the treatment effects. Results: Total 20 studies involving 1845 patients were evaluated. Ten different treatment categories including mechanic, ablative, injection, and combined therapy were compared in our analysis in terms of their efficacy in stopping bleeding and complications. Band ligation [rate: 0.757; 95% Credible Interval (0.565, 0.887)] and injection therapy [rate: 0.891; 95% CI (0.791, 0.944)] had inferior efficacy in attaining initial hemostasis compared to others. Combined therapy of band ligation and HPC and hemoclip may represent the best options for preventing rebleeding and mortality respectively. No significant difference was found among other treatments in terms of complications. Conclusions: We recommend the application of hemoclips in treating GI bleeding due to its high hemostasis efficacy and low risk of 30-day mortality.
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Affiliation(s)
- Tian-Xi Wang
- Tian-xi Wang, Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin, 300100, China
| | - Jun Zhang
- Jun Zhang, General Medicine, Tianjin Beichen Hospital, Tianjin, 300401, China
| | - Li-Hong Cui
- Li-hong Cui, Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin, 300100, China
| | - Jing-Jing Tian
- Jing-jing Tian, Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin, 300100, China
| | - Rongna Wei
- Rongna Wei, Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin, 300100, China
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19
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Xu W, Lyu ZH, Ma JK, Tian JJ, Feng SH, Cui P, Sa N. [The oncologic and functional outcomes of supracricoid partial laryngectomy for the treatment of laryngeal cancer]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2019; 54:339-342. [PMID: 31137092 DOI: 10.3760/cma.j.issn.1673-0860.2019.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the oncologic and functional outcomes of laryngeal squamous cell carcinomas treated by supracricoid laryngectomy. Methods: The clinical data of 134 patients with laryngeal cancer who underwent supracricoid laryngectomy with cricohyoidoepiglottopexy (CHEP) or cricohyoidopexy (CHP) between July 2005 and April 2014 at Shandong Provincial ENT Hospital were retrospectively reviewed. Ninety-one patients including 31 cases of stage Ⅰ, 36 of stage Ⅱ, 18 of stage Ⅲ and 6 of stage Ⅳ underwent CHEP and 43 patients underwent CHP. Two patients received CHEP due to recurrence after open surgery and laser surgery. Three patients received CHP due to the recurrence of disease after open surgery and postradiotherapy persistence of disease. The Kaplan-Meier method was used to calculate the 3-year and 5-year survival rates. The Chi-square test was used to compare the survival rates between different surgical procedures. Results: All 91 patients who underwent CHEP had successful removals of PEG tubes, and 88 (96.7%) of them had tracheostomy tube decannulation. Among 43 patients with CHP, 42(97.6%) cases removal of PEG tubes(97.6%), including and 40(93.0%) cases with tracheostomy tube decannulation. There was one patient with local recurrence in all cases. In CHEP group, 3-year local control rate was 98.2%; 3-year and 5-year overall survival rate were 94.5% and 93.9%, respectively. In CHP group, 3-year local control rate was 97.6%; 3-year and 5-year overall survival rates were 86.0% and 83.3%, respectively. Pharyngeal fistula appeared in 2 cases of CHEP group and 4 cases of CHP group, and all of them were cured by conservative treatment. Conclusion: Supracricoid laryngectomy shows excellent oncologic and functional results for treatment of laryngeal cancer while maintaining laryngeal functions, especially in terms of local control rate and tracheostomy tube decannulation.
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Affiliation(s)
- W Xu
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong Provincial ENT Hospital Affiliated to Shandong University, Jinan 250022, China
| | - Z H Lyu
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong Provincial ENT Hospital Affiliated to Shandong University, Jinan 250022, China; Key Laboratory of Otorhinolaryngology, National Health Commission (Shandong University), Jinan 250012, China
| | - J K Ma
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong Provincial ENT Hospital Affiliated to Shandong University, Jinan 250022, China; Key Laboratory of Otorhinolaryngology, National Health Commission (Shandong University), Jinan 250012, China
| | - J J Tian
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong Provincial ENT Hospital Affiliated to Shandong University, Jinan 250022, China; Key Laboratory of Otorhinolaryngology, National Health Commission (Shandong University), Jinan 250012, China
| | - S H Feng
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong Provincial ENT Hospital Affiliated to Shandong University, Jinan 250022, China; Key Laboratory of Otorhinolaryngology, National Health Commission (Shandong University), Jinan 250012, China
| | - P Cui
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong Provincial ENT Hospital Affiliated to Shandong University, Jinan 250022, China; Key Laboratory of Otorhinolaryngology, National Health Commission (Shandong University), Jinan 250012, China
| | - N Sa
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong Provincial ENT Hospital Affiliated to Shandong University, Jinan 250022, China; Key Laboratory of Otorhinolaryngology, National Health Commission (Shandong University), Jinan 250012, China
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20
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Lei CX, Tian JJ, Zhang W, Li YP, Ji H, Yu EM, Gong WB, Li ZF, Zhang K, Wang GJ, Yu DG, Xie J. Lipid droplets participate in modulating innate immune genes in Ctenopharyngodon idella kidney cells. Fish Shellfish Immunol 2019; 88:595-605. [PMID: 30890432 DOI: 10.1016/j.fsi.2019.03.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 03/06/2019] [Accepted: 03/13/2019] [Indexed: 06/09/2023]
Abstract
Lipid droplets (LDs) are increasingly being recognized as important immune modulators in mammals, in additional to their function of lipid ester deposition. However, the role of LDs in fish immunity remains poorly understood. In this study, the function of LDs in the innate immune response of Ctenopharyngodon idella kidney (CIK) cells, which are the equivalent of myeloid cells in vertebrates, was investigated. LD number and TG content significantly increased in the CIK cells following exposure to lipopolysaccharide (LPS), peptidoglycan (PGN), and polyriboinosinic-polyribocytidylic acid (Poly [I: C]) for 24 h, accompanied by increases in the relative expression of several innate immune genes. However, fatty acid compositions of the triglycerides were not changed after treatment with these three pathogenic mimics. LPS, PGN, and Poly (I: C) did not alter the relative expressions of lipogenic (FAS, SCD, and DGAT) and lipid catabolic (PPARα, ATGL, and CPT-1) genes. However, these treatments did increase the mRNA levels of lipid transportation genes (FATP/CD36, ACSL1, and ACSL4), and also decreased the non-esterified fatty acid level in the medium. To further explore the role of LDs in the immune response, CIK cells were incubated with different concentrations (0, 100, 200, 300, 400, 500 μM) of exogenous lipid mix (LM; oleic acid [OA]:linoleic acid [LA]:linolenic acid [LNA] = 2:1:1), and were then transferred to a lipid-free medium and incubated for 24 h. LD size and number increased with the increase in lipid levels, and this was accompanied by increased expression of innate immune genes, including MyD88, IRF3, and IL-1β, which were expressed at their highest levels in 300 μM exogenous lipid mix. Interestingly, after incubating with different fatty acids (LM, OA, LA, LNA, arachidonic acid [ARA], and docosahexaenoic acid [DHA]; 300 μM), ARA and DHA were more potent in inducing LD formation and innate immune gene expression in the CIK cells. Finally, atglistatin, an ATGL inhibitor, effectively attenuated the expression of most genes upregulated by ARA or DHA, suggesting that lipolysis may be involved in the regulation of immune genes at the transcriptional level. Overall, the findings of this study demonstrate that LDs are functional organelles that could act as modulators in the innate immune response of CIK cells. Additionally, long-chain polyunsaturated fatty acid enriched LDs play a unique role in regulating this process.
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Affiliation(s)
- Cai-Xia Lei
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, PR China; College of Marine Sciences, South China Agriculture University, Guangzhou, 510640, PR China
| | - Jing-Jing Tian
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, PR China.
| | - Wen Zhang
- College of Biological Science and Agriculture, QianNan Normal University for Nationalities, Duyun, 558000, PR China
| | - Yu-Ping Li
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, PR China
| | - Hong Ji
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, PR China
| | - Er-Meng Yu
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, PR China
| | - Wang-Bao Gong
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, PR China
| | - Zhi-Fei Li
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, PR China
| | - Kai Zhang
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, PR China
| | - Guang-Jun Wang
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, PR China
| | - De-Guang Yu
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, PR China
| | - Jun Xie
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, PR China.
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Tian JJ, Ji H, Wang YF, Xie J, Wang GJ, Li ZF, Yu EM, Yu DG, Zhang K, Gong WB. Lipid accumulation in grass carp (Ctenopharyngodon idellus) fed faba beans (Vicia faba L.). Fish Physiol Biochem 2019; 45:631-642. [PMID: 30460475 DOI: 10.1007/s10695-018-0589-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 11/09/2018] [Indexed: 06/09/2023]
Abstract
Feeding faba beans (Vicia faba L.) to grass carp (Ctenopharyngodon idellus) increases muscle compactness but decreases growth and motility. The lipid metabolism of grass carp was examined to assess potential effects of feeding faba beans on physiological properties using a total of 180 fish. The treatment group was fed faba beans for 120 days and a commercial diet for another 30 days. The control group received a commercial diet for 150 days. Fish were sampled every month. Weight gain was significantly lower in the treatment group than in the control. Hardness, springiness, chewiness, cohesiveness, and gumminess of the dorsal muscle increased significantly with the feeding faba beans from 30 to 120 days, which was not reversed by the subsequent feeding of commercial diet. Fat accumulation increased significantly in the treatment group as suggested by the condition factor, viscera index, hepatopancreatic index, and intraperitoneal fat index (IPFI), hepatopancreas, and muscle fat content but was not affected by subsequent feeding with the commercial diet. Serum triglyceride and total cholesterol levels were significantly reduced in the experimental diet group. In the hepatopancreas and intraperitoneal fat IPF, monounsaturated fatty acids showed significantly higher content in faba bean feeding fish, whereas polyunsaturated fatty acid content showed the reversed pattern. In the hepatopancreas, the activities of the lipogenic enzymes malate dehydrogenase and glucose 6-phosphate dehydrogenase were higher in the treatment than in the control group. Moreover, the treatment group showed lower mRNA levels of carnitine palmitoyltransferase-1. Overall, our results clearly demonstrate increasing lipid accumulation in the viscera of faba bean-fed grass carp.
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Affiliation(s)
- Jing-Jing Tian
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, China
| | - Hong Ji
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, People's Republic of China.
| | - Yi-Fei Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, People's Republic of China
| | - Jun Xie
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, China
| | - Guang-Jun Wang
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, China
| | - Zhi-Fei Li
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, China
| | - Er-Meng Yu
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, China.
| | - De-Guang Yu
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, China
| | - Kai Zhang
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, China
| | - Wang-Bao Gong
- Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510380, China
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Yang CH, Tian JJ, Ko WS, Shih CJ, Chiou YL. Oligo-fucoidan improved unbalance the Th1/Th2 and Treg/Th17 ratios in asthmatic patients: An ex vivo study. Exp Ther Med 2018; 17:3-10. [PMID: 30651758 PMCID: PMC6307516 DOI: 10.3892/etm.2018.6939] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 07/06/2018] [Indexed: 12/13/2022] Open
Abstract
An imbalance in the helper T cells (Th)1/Th2 and regulatory T cells (Tregs)/Th17 ratios is believed to play a key role in asthmatic inflammatory responses. Fucoidan reportedly reduces the production of inflammatory factors. Nutritional intervention is an important tool in decreasing the severity of asthmatic disease. This study aimed to investigate the beneficial roles of oligo-fucoidan in balancing the T cell subtype ratios and reducing airway inflammation ex vivo. Peripheral blood mononuclear cells (PBMCs) were collected from 30 asthmatic subjects and 15 healthy subjects. Harvested PBMCs were stimulated and treated with or without oligo-fucoidan (100 or 500 µg/ml) for 48 h. Cell surface and intracellular cytokine markers were examined by flow cytometry. The pro-inflammatory factors in plasma and culture supernatants were measured using ELISA kits. We found that oligo-fucoidan increases the proportion of Th1 and Treg cells, but did not affect the proportion of Th2 and Th17 cells. Oligo-fucoidan also increased the levels of interferon-γ and interleukin-10. Thus, we concluded that oligo-fucoidan might improve the imbalance in Th1/Th2 and Treg/Th17 ratios to reduce airway inflammation, which could be a potential adjuvant therapy for allergic asthma.
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Affiliation(s)
- Chao-Huei Yang
- Department of Internal Medicine, Kuang-Tien General Hospital, Taichung 43302, Taiwan R.O.C
| | - Jing-Jing Tian
- Department of Nutrition, Master Program of Biomedical Nutrition, Hungkuang University, Taichung 43302, Taiwan R.O.C
| | - Wang-Sheng Ko
- Department of Internal Medicine, Kuang-Tien General Hospital, Taichung 43302, Taiwan R.O.C.,Department of Nutrition, Master Program of Biomedical Nutrition, Hungkuang University, Taichung 43302, Taiwan R.O.C
| | - Chia-Ju Shih
- Department of Nutrition, Master Program of Biomedical Nutrition, Hungkuang University, Taichung 43302, Taiwan R.O.C
| | - Ya-Ling Chiou
- Department of Nutrition, Master Program of Biomedical Nutrition, Hungkuang University, Taichung 43302, Taiwan R.O.C
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Yu EM, Ma LL, Ji H, Li ZF, Wang GJ, Xie J, Yu DG, Kaneko G, Tian JJ, Zhang K, Gong WB. Smad4-dependent regulation of type I collagen expression in the muscle of grass carp fed with faba bean. Gene 2018; 685:32-41. [PMID: 30393189 DOI: 10.1016/j.gene.2018.10.074] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 10/10/2018] [Accepted: 10/25/2018] [Indexed: 10/28/2022]
Abstract
Smad4 is the key regulator in the transforming growth factor β1 (TGF-β1)/Smads signal pathway, and is also the crux of the regulation of type I collagen expression in mammals. In fish, however, the relationship between Smad4 and type I collagen is still unknown. Given the widely accepted importance of type I collagen in fish muscle hardness, we seek to explore this issue by analyzing the expressions of the TGF-β1/Smads pathway molecules and type I collagen in the muscle of crisp grass carp fed with faba bean, which shows increased muscle hardness. The study found that (1) in the process of feeding the grass carp with faba bean, the mRNA and protein expressions of TGF-β1, Smad2 and Smad4 all increased along with the increase of type I collagen expression (Col1α1 and Col1α2); (2) one day after the injection of Smad4 over-expression vector, both mRNA and protein expressions of Col1α1 and Col1α2 significantly increased, reaching the maximum on the 2nd and 5th day, respectively; (3) one day after the injection of Smad4 RNAi interference vector, the mRNA and protein expressions of Col1α1 and Col1α2 decreased, reaching the minimum on the 5th day. These results revealed that Smad4 is the major regulator of type I collagen in the muscle of grass carp fed with faba bean. This study would provide an important mechanistic basis for nutritional regulation of type I collagen in the muscle of fish.
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Affiliation(s)
- Er-Meng Yu
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute of CAFS, Xingyu Road No. 1, Guangzhou 510380, China
| | - Ling-Ling Ma
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute of CAFS, Xingyu Road No. 1, Guangzhou 510380, China; College of Fisheries and Life, Shanghai Ocean University, Shanghai 201306, China
| | - Hong Ji
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Zhi-Fei Li
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute of CAFS, Xingyu Road No. 1, Guangzhou 510380, China
| | - Guang-Jun Wang
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute of CAFS, Xingyu Road No. 1, Guangzhou 510380, China
| | - Jun Xie
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute of CAFS, Xingyu Road No. 1, Guangzhou 510380, China.
| | - De-Guang Yu
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute of CAFS, Xingyu Road No. 1, Guangzhou 510380, China
| | - Gen Kaneko
- School of Arts & Sciences, University of Houston-Victoria, Victoria, TX 77901, USA.
| | - Jing-Jing Tian
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute of CAFS, Xingyu Road No. 1, Guangzhou 510380, China
| | - Kai Zhang
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute of CAFS, Xingyu Road No. 1, Guangzhou 510380, China
| | - Wang-Bao Gong
- Key Laboratory of Tropical & Subtropical Fishery Resource Application & Cultivation, Pearl River Fisheries Research Institute of CAFS, Xingyu Road No. 1, Guangzhou 510380, China
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Xu W, Lyu ZH, Sa N, Ma JK, Tian JJ, Feng SH, Cui P, Cao HY. [Treatment and prognosis of 264 patients with hypopharyngeal carcinoma]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 53:346-351. [PMID: 29764015 DOI: 10.3760/cma.j.issn.1673-0860.2018.05.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Objective: To investigate the key factors influencing the prognosis of hypopharyngeal carcinoma and the therapeutic methods improving the efficacy of treatments for hypopharyngeal carcinoma. Methods: Two hundred and sixty-four cases of hypopharyngeal squamous cell carcinoma treated from May 2010 to May 2015 were analyzed retrospectively. There were 211 cases of pyriform sinus carcinoma, 37 cases of posterior pharyngeal wall carcinoma, and 16 cases of postcricoid carcinoma. According to UICC 2002 criteria, 2 cases were for stage Ⅰ, 14 for stage Ⅱ, 32 for stage Ⅲ and 216 for stage Ⅳ. Postoperative circumferential defects existed in 112 (42.4%) cases, and 86 of them were reconstructed with free jejunum transplantation. Among all cases, 54 patients (20.5%) had the preservation of laryngeal functions after surgery and 210 patients (79.5%) with total laryngectomy; 238 cases (90.2%) underwent bilateral cervical lymph node dissection and 203 patients received posterior pharyngeal lymph node exploration and dissection, with positive metastases for posterior pharyngeal lymph nodes in 36 cases (17.7%). Eight cases with cervical lymph node metastasis extensively involving the soft tissue, prevertebral fascia or encases carotid artery received preoperative radiotherapy of 50 Gy. After surgery 13 patients received concurrent radiotherapy and chemotherapy, 337 underwent adjuvant radiotherapy with a dose of 50-60 Gy each, and 14 patients did not receive radiotherapy or did not completed their radiotherapy programs. SPSS 13.0 saftware was used to analyze the data. Results: All patients were followed up for more than 2 years. With Kaplan-Meier method, the 2-, 3- and 5-years survival rates were 69.6%, 62.8% and 51.3%, respectively. There were significant differences in 3-year survival rates between T1-2 group (75.5%) and T3-4 group (59.2%) (χ(2)=4.282 P=0.039), N0 group (81.6%) and N+ group (58.2%) (χ(2)=6.802 P=0.009), laryngeal functions preserved (81.8%) and unpreserved group (58.9%) (χ(2)=5.314 P=0.021). Multivariate Logistic regression analysis showed that cervical lymph node metastasis was an independent prognostic factor (P=0.027). The success rate of free jejunum transplantation was 98.8%. Local recurrence, cervical lymph node recurrence, second primary cancer, and distant metastasis accounted respectively for 11.2%, 18.8%, 12.5% and 45.0% of death cases. Conclusions: The prognosis-associated factors for hypopharyngeal carcinoma should be taken into account, including the evaluation of the carcinogenesis of the mucosal area, early screening of premalignant lesion or second primary cancer in the esophagus and dissection of the posterior pharyngeal lymph nodes, which will help to improve the local control rate and recent survival rate in patients with hypopharyngeal cancer.
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Affiliation(s)
- W Xu
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Z H Lyu
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - N Sa
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - J K Ma
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - J J Tian
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - S H Feng
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - P Cui
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - H Y Cao
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
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Lyu ZH, Xu W, Sa N, Ma JK, Tian JJ, Feng SH, Cao HY. [Significance of retropharyngeal node dissection in treatment of hypopharyngeal carcinoma]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 53:359-363. [PMID: 29764017 DOI: 10.3760/cma.j.issn.1673-0860.2018.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: investigate the incidence of retropharyngeal lymph node (RPLN) metastasis and the risk factors for RPLN metastasis in hypopharyngeal cancer, and the relationship of planned dissection of the RPLN with the survival and tumor control rates in patients with hypopharyngeal cancer. Methods: A total of 203 patients with hypopharyngeal squamous cell carcinoma who underwent radical surgery as initial treatment from February 2011 to July 2015 were analyzed retrospectively. There were 167 cases of pyriform sinus carcinoma, 23 cases of posterior pharyngeal wall carcinoma, and 13 cases of postcricoid carcinoma. Results: The incidence of RPLN metastasis in HPC was 17.7%, with a highest rate of 43.5% in pharyngeal wall carcinoma. The incidence of RPLN metastasis in T3-4 pyriform sinus carcinoma was 18.3%, which significantly higher than 2.8% in T1-2 cases(χ(2)=5.360, P=0.020). The rate of RPLN metastasis was 23.8% in N2b-3 and 8.6% in N0-2a, with a statistically significant difference(χ(2)=7.637, P=0.006). There was no statistically significant difference in overall survival rates between patients with and without RPLN metastasis(P>0.05). Data were analyzed by SPSS 13.0 software. Conclusions: RPLN metastasis is not rare in hypopharyngeal carcinoma. Planned dissection of the RPLN should be performed with the initial surgery in patients with advanced hypopharyngeal cancer, especially posterior pharyngeal wall carcinoma, T3-4 pyriform sinus carcinoma and staged N2b-3 disease, which can reduce the regional recurrence rate and provided with a better prognosis.
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Affiliation(s)
- Z H Lyu
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - W Xu
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - N Sa
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - J K Ma
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - J J Tian
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - S H Feng
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - H Y Cao
- Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
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Jin A, Lei CX, Tian JJ, Sun J, Ji H. Dietary docosahexaenoic acid decreased lipid accumulation via inducing adipocytes apoptosis of grass carp, Ctenopharygodon idella. Fish Physiol Biochem 2018; 44:197-207. [PMID: 28918543 DOI: 10.1007/s10695-017-0424-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 09/04/2017] [Indexed: 06/07/2023]
Abstract
The purpose of this study was to explore the mechanism of by which docosahexaenoic acid (DHA) inhibit the accumulation of adipose tissue lipid in grass carp (Ctenopharyngodon idella). We therefore designed two semi-purified diets, namely DHA-free (control) and DHA-supplemented, and fed them to grass carp (22.19 ± 1.76 g) for 3 and 6 weeks. DHA supplementation led to a significantly lower intraperitoneal fat index (IPFI) than that in the control group by reducing the number of adipocytes but significantly higher adipocyte size (P < 0.05). In the intraperitoneal adipose tissue, the DHA-fed group showed significantly higher peroxisome proliferator-activated receptor (PPAR)γ, CCAAT enhancer-binding protein (C/EBP)α, and sterol regulatory element-binding protein (SREBP)1c mRNA expression levels at both 3 and 6 weeks (P < 0.05). However, the ratio of the expression levels of B cell leukemia 2 (Bcl-2) and Bcl-2-associated X protein (Bax) was significantly lower in the DHA-fed group than in the control group (P < 0.05), and the protein expression levels of the apoptosis-related proteins caspase 3, caspase 8, and caspase 9 were also significantly higher (P < 0.05). Overall, although DHA promotes lipid synthesis, it is more likely that DHA could suppress the lipid accumulation in adipocytes of grass carp by inducing adipocyte apoptosis.
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Affiliation(s)
- Ai Jin
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, People's Republic of China
| | - Cai-Xia Lei
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, People's Republic of China
| | - Jing-Jing Tian
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, People's Republic of China
| | - Jian Sun
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, People's Republic of China
| | - Hong Ji
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, People's Republic of China.
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Shi XC, Jin A, Sun J, Yang Z, Tian JJ, Ji H, Yu HB, Li Y, Zhou JS, Du ZY, Chen LQ. α-lipoic acid ameliorates n-3 highly-unsaturated fatty acids induced lipid peroxidation via regulating antioxidant defenses in grass carp (Ctenopharyngodon idellus). Fish Shellfish Immunol 2017; 67:359-367. [PMID: 28619361 DOI: 10.1016/j.fsi.2017.06.036] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 06/08/2017] [Accepted: 06/12/2017] [Indexed: 06/07/2023]
Abstract
This study evaluated the protective effect of α-lipoic acid (LA) on n-3 highly unsaturated fatty acids (HUFAs)-induced lipid peroxidation in grass carp. The result indicated that diets with n-3 HUFAs increased the production of malondialdehyde (MDA) (P < 0.05), thereby inducing lipid peroxidation in liver and muscle of grass carp. Meanwhile, compared with control group, the hepatosomatic index (HSI) and kidney index (KI) of grass carp were markedly increased in n-3 HUFAs-only group. However, diets with LA remarkably inhibited the n-3 HUFAs-induced increase of HSI, KI, and MDA level in serum, liver and muscle (P < 0.05). Interestingly, LA also significantly elevated the ratio of total n-3 HUFAs in fatty acid composition of muscle and liver (P < 0.05). Furthermore, LA significantly promoted the activity of antioxidant enzymes in serum, muscle and liver of grass carp (P < 0.05), including superoxide dismutase (SOD), catalase (CAT), and glutathione s-transferase (GST). The further results showed that LA significantly elevated mRNA expression of antioxidant enzymes with promoting the mRNA expression of NF-E2-related nuclear factor 2 (Nrf2) and decreasing Kelch-like-ECH-associated protein 1 (Keap1) mRNA level. From the above, these results suggested that LA could attenuate n-3 HUFAs-induced lipid peroxidation, remit the toxicity of the lipid peroxidant, and protect n-3 HUFAs against lipid peroxidation to promote its deposition in fish, likely strengthening the activity of antioxidant enzymes through regulating mRNA expressions of antioxidant enzyme genes via mediating Nrf2-Keap1 signaling pathways.
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Affiliation(s)
- Xiao-Chen Shi
- College of Animal Science and Technology, Northwest A&F University, Yang ling 712100, China
| | - Ai Jin
- College of Animal Science and Technology, Northwest A&F University, Yang ling 712100, China
| | - Jian Sun
- College of Animal Science and Technology, Northwest A&F University, Yang ling 712100, China
| | - Zhou Yang
- College of Animal Science and Technology, Northwest A&F University, Yang ling 712100, China
| | - Jing-Jing Tian
- College of Animal Science and Technology, Northwest A&F University, Yang ling 712100, China
| | - Hong Ji
- College of Animal Science and Technology, Northwest A&F University, Yang ling 712100, China.
| | - Hai-Bo Yu
- College of Animal Science and Technology, Northwest A&F University, Yang ling 712100, China
| | - Yang Li
- College of Animal Science and Technology, Northwest A&F University, Yang ling 712100, China
| | - Ji-Shu Zhou
- College of Animal Science and Technology, Northwest A&F University, Yang ling 712100, China
| | - Zhen-Yu Du
- Laboratory of Aquaculture Nutrition and Environmental Health, School of Life Sciences, East China Normal University, Shanghai, China
| | - Li-Qiao Chen
- Laboratory of Aquaculture Nutrition and Environmental Health, School of Life Sciences, East China Normal University, Shanghai, China
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Tian JJ, Lei CX, Ji H, Jin A. Role of cyclooxygenase-mediated metabolites in lipid metabolism and expression of some immune-related genes in juvenile grass carp (Ctenopharyngodon idellus) fed arachidonic acid. Fish Physiol Biochem 2017; 43:703-717. [PMID: 28012026 DOI: 10.1007/s10695-016-0326-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 12/11/2016] [Indexed: 06/06/2023]
Abstract
Cyclooxygenase (COX) catalyzes the conversion of arachidonic acid (ARA) to prostaglandins, and COX-mediated metabolites play important roles in the regulation of lipid metabolism and immunity in mammals. However, such roles of COX in fish remain largely unknown. In this study, we designed three semi-purified diets, namely ARA-free (control), ARA, and ARA + acetylsalicylic acid (ASA; a COX inhibitor), and used them to feed grass carp (27.65 ± 3.05 g) for 8 weeks. The results showed that dietary ARA significantly increased the amount of ARA in the hepatopancreas, muscle, and kidney (P < 0.05), whereas this increase was reduced by dietary ASA. The hepatopancreatic prostaglandin E2 content increased in the ARA group, and this increase was inhibited by ASA (P < 0.05). ARA decreased the lipid content in the hepatopancreas, whereas ASA recovered lipid content to a significant level (P < 0.05). ARA significantly decreased the messenger RNA (mRNA) expression levels of fatty acid synthase and stearoyl-CoA desaturase in the hepatopancreas (P < 0.05). However, ASA did not rescue the mRNA expression of these genes (P > 0.05). Interestingly, ARA significantly enhanced the level of peroxisome proliferator-activated receptor α gene expression, and this increase was attenuated by ASA (P < 0.05). Finally, ARA significantly enhanced the mRNA expression of myeloid differentiation factor 88 (MyD88) in the kidney, and ASA attenuated the expression of toll-like receptor 22 and MyD88 (P < 0.05). In conclusion, our findings suggest that COX metabolites play important roles in the inhibition of lipid accumulation in the hepatopancreas of grass carp fed with ARA and that regulation of gene expression promotes lipid catabolism rather than lipogenic activities. Additionally, these eicosanoids might participate in the upregulation of immunity-related genes in the kidney.
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Affiliation(s)
- Jing-Jing Tian
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, People's Republic of China
| | - Cai-Xia Lei
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, People's Republic of China
| | - Hong Ji
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, People's Republic of China.
| | - Ai Jin
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, People's Republic of China
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Su JY, Jin GP, Chen T, Liu XD, Chen CN, Tian JJ. The characterization and application of prussian blue at graphene coated carbon fibers in a separated adsorption and electrically switched ion exchange desorption processes of cesium. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.02.027] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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30
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Yuan HX, Tian JJ, Yan ZX. Advances in management of reflux esophagitis by traditional Chinese medicine. Shijie Huaren Xiaohua Zazhi 2016; 24:4323-4329. [DOI: 10.11569/wcjd.v24.i32.4323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
In recent years, treatment of reflux esophagitis (RE) by traditional Chinese medicine, mainly based on the etiology and pathogenesis, has achieved satisfactory results. RE is often associated with improper diet, emotion disorders, and weary internal injuries, and its onset is due to weakness of the spleen and stomach and adverse rising of stomach Qi. Special prescription treatment and syndrome differentiation are often used clinically. Experimental studies with regard to gastrointestinal hormone, inflammatory factors and proteins, and lower esophageal sphincter calcium channel have been carried out to clarify the mechanisms of RE. In this paper, we make a brief review of the related studies, and summarize our strategy for the treatment of RE, in order to offer reference for clinicians.
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Chen FP, Jin GP, Peng SY, Liu XD, Tian JJ. Recovery of cesium from residual salt lake brine in Qarham playa of Qaidam Basin with prussian blue functionalized graphene/carbon fibers composite. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.09.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Qiao XJ, Ellingson BM, Kim HJ, Wang DJJ, Salamon N, Linetsky M, Sepahdari AR, Jiang B, Tian JJ, Esswein SR, Cloughesy TF, Lai A, Nghiemphu L, Pope WB. Arterial spin-labeling perfusion MRI stratifies progression-free survival and correlates with epidermal growth factor receptor status in glioblastoma. AJNR Am J Neuroradiol 2014; 36:672-7. [PMID: 25542879 DOI: 10.3174/ajnr.a4196] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Accepted: 09/27/2014] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Glioblastoma is a common primary brain tumor with a poor but variable prognosis. Our aim was to investigate the feasibility of MR perfusion imaging by using arterial spin-labeling for determining the prognosis of patients with glioblastoma. MATERIALS AND METHODS Pseudocontinuous arterial spin-labeling with 3D background-suppressed gradient and spin-echo was acquired before surgery on 53 patients subsequently diagnosed with glioblastoma. The calculated CBF color maps were visually evaluated by 3 independent readers blinded to patient history. Pathologic and survival data were correlated with CBF map findings. Arterial spin-labeling values in tumor tissue were also quantified by using manual fixed-size ROIs. RESULTS Two perfusion patterns were characterized by visual evaluation of CBF maps on the basis of either the presence (pattern 1) or absence (pattern 2) of substantial hyperperfused tumor tissue. Evaluation of the perfusion patterns was highly concordant among the 3 readers (κ = 0.898, P < .001). Pattern 1 (versus pattern 2) was associated with significantly shorter progression-free survival by Kaplan-Meier analysis (median progression-free survival of 182 days versus 485 days, P < .01) and trended with shorter overall survival (P = .079). There was a significant association between pattern 1 and epidermal growth factor receptor variant III expression (P < .01). CONCLUSIONS Qualitative evaluation of arterial spin-labeling CBF maps can be used to stratify survival and predict epidermal growth factor receptor variant III expression in patients with glioblastoma.
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Affiliation(s)
- X J Qiao
- From the Departments of Radiological Sciences (X.J.Q., B.M.E., H.J.K., N.S., M.L., A.R.S., J.J.T., S.R.E., W.B.P.)
| | - B M Ellingson
- From the Departments of Radiological Sciences (X.J.Q., B.M.E., H.J.K., N.S., M.L., A.R.S., J.J.T., S.R.E., W.B.P.)
| | - H J Kim
- From the Departments of Radiological Sciences (X.J.Q., B.M.E., H.J.K., N.S., M.L., A.R.S., J.J.T., S.R.E., W.B.P.)
| | - D J J Wang
- Neurology (D.J.J.W., T.F.C., A.L., L.N.), David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California
| | - N Salamon
- From the Departments of Radiological Sciences (X.J.Q., B.M.E., H.J.K., N.S., M.L., A.R.S., J.J.T., S.R.E., W.B.P.)
| | - M Linetsky
- From the Departments of Radiological Sciences (X.J.Q., B.M.E., H.J.K., N.S., M.L., A.R.S., J.J.T., S.R.E., W.B.P.)
| | - A R Sepahdari
- From the Departments of Radiological Sciences (X.J.Q., B.M.E., H.J.K., N.S., M.L., A.R.S., J.J.T., S.R.E., W.B.P.)
| | - B Jiang
- Department of Radiology (B.J.), Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - J J Tian
- From the Departments of Radiological Sciences (X.J.Q., B.M.E., H.J.K., N.S., M.L., A.R.S., J.J.T., S.R.E., W.B.P.)
| | - S R Esswein
- From the Departments of Radiological Sciences (X.J.Q., B.M.E., H.J.K., N.S., M.L., A.R.S., J.J.T., S.R.E., W.B.P.)
| | - T F Cloughesy
- Neurology (D.J.J.W., T.F.C., A.L., L.N.), David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California
| | - A Lai
- Neurology (D.J.J.W., T.F.C., A.L., L.N.), David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California
| | - L Nghiemphu
- Neurology (D.J.J.W., T.F.C., A.L., L.N.), David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California
| | - W B Pope
- From the Departments of Radiological Sciences (X.J.Q., B.M.E., H.J.K., N.S., M.L., A.R.S., J.J.T., S.R.E., W.B.P.)
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Tian JJ, Zhang QF, Zhang LL, Gao R, Shen LF, Zhang SG, Qu XH, Cao GZ. Energy materials: core/shell structural photoelectrodes assembled with quantum dots for solar cells. Nano Rev 2013; 4:21080. [PMID: 23766888 PMCID: PMC3681210 DOI: 10.3402/nano.v4i0.21080] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- J J Tian
- Advanced Material and Technology Institute, University of Science and Technology Beijing, Beijing, P.R. China ; Department of Materials and Engineering, University of Washington, Seattle, WA, USA
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Abstract
Shrimp is very low in total fat, yet it has a high cholesterol content. Although shrimp is a popular food in the American diet, many people avoid it because of its high cholesterol content. The objective of this study was to test the effect of the addition of cholesterol from shrimp to a low-fat baseline diet as well as to compare the effect of an equal amount of dietary cholesterol derived from shrimp or egg on the plasma lipoprotein pattern of normolipidemic subjects. In a randomized crossover trial, a diet containing 300 g shrimp/d, which supplied 590 mg dietary cholesterol/d, significantly increased low-density-lipoprotein (LDL) cholesterol by 7.1% (P = 0.014) and high-density-lipoprotein (HDL) cholesterol by 12.1% (P = 0.0001) when compared with a baseline diet matched for fat content but containing only 107 mg cholesterol/d. However, because the percentage increase in LDL cholesterol was less than for HDL cholesterol, the shrimp diet did not worsen the ratio of total cholesterol to HDL cholesterol or the ratio of LDL to HDL cholesterol. Moreover, shrimp consumption decreased triacylglycerol (triglyceride) concentrations by 13% (P = 0.004). The diet containing two large eggs per day with 581 mg dietary cholesterol/d also raised LDL- and HDL-cholesterol concentrations compared with baseline, but the percentage increase in LDL cholesterol (10.2%, P = 0.0001) was more than for HDL cholesterol (7.6%, P = 0.004) and there was a trend toward worse lipoprotein ratios. In a comparison of the two high-cholesterol diets, the shrimp diet produced significantly lower ratios of total to HDL cholesterol and lower ratios of LDL to HDL cholesterol than the egg diet as well as lower triacylglycerol concentrations. We conclude that moderate shrimp consumption in normolipidemic subjects will not adversely affect the overall lipoprotein profile and can be included in "heart healthy" nutritional guidelines.
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Affiliation(s)
- E R De Oliveira e Silva
- Laboratory of Biochemical Genetics and Metabolism, General Clinical Research Center, Rockefeller University, New York, NY 10021-6399, USA
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Abstract
Rao proposed and compared several approaches for predicting future observations in a growth curve model. The assessment of associated prediction efficiency for different prediction methods were evaluated by Cross-Validation Assessment Error (CVAE). He used three data sets, each with a limited number of subjects (13-27) and also with a limited number of repeated measurements (4-7) per subject, to illustrate the prediction methods. In the present paper, we applied four of the prediction methods discussed by Rao, on a data set with a relatively large number of subjects (174) and also with a larger number of measurements (21) per subject, using the polynomial function and log-linear function. We propose to use the restricted cubic spline function as an alternative growth curve model and compare its performance with the polynomial function and log-linear function. It turns out that, at least for larger data sets such as that used in this paper, the prediction methods perform somewhat better when the growth is described by restricted cubic spline function than when the growth is described by polynomial function and log-linear function.
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Affiliation(s)
- J J Tian
- Department of Environmental Health, University of Cincinnati Medical Center, OH 45267-0183
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