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Cui J, Xia T, Xie D, Gao Y, Jia Z, Wei D, Wang L, Huang S, Quan M, Xie K. HGF/Met and FOXM1 form a positive feedback loop and render pancreatic cancer cells resistance to Met inhibition and aggressive phenotypes. Oncogene 2016; 35:4708-18. [PMID: 26876216 PMCID: PMC4985506 DOI: 10.1038/onc.2016.14] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [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: 07/28/2015] [Revised: 11/30/2015] [Accepted: 12/27/2015] [Indexed: 02/06/2023]
Abstract
Purpose Hepatocyte growth factor (HGF)/Met signaling plays critical roles in pancreatic ductal adenocarcinoma (PDA) development and progression and is considered a potential therapeutic target for this disease. However, the mechanism of aberrant activation of HGF/Met signaling and resistance to Met inhibition in PDA remains unclear. Experimental Design The mechanistic role of cross-talk between Forkhead box M1 (FOXM1) and HGF/Met signaling in promotion of PDA growth and resistance to Met inhibition was examined using cell culture, molecular biology and mouse models; and the relevance of our experimental and mechanistic findings were validated using human PDA tissues. Results Met was markedly overexpressed in both PDA cell lines and pancreatic tumor specimens, and the expression of Met correlated directly with that of FOXM1 in human tumor specimens. Mechanistically, FOXM1 bound to the promoter region of the Met gene and transcriptionally increased the expression of Met. Increased expression of FOXM1 enhanced the activation of HGF/Met signaling and its downstream pathways, including RAS/extracellular signal-regulated kinase 1/2, phosphoinositide 3-kinase/AKT, and signal transducer and activator of transcription 3. Furthermore, activation of HGF/Met signaling increased the expression and transcriptional activity of FOXM1, and the cross-talk between FOXM1 and HGF/Met signaling promoted PDA growth and resistance to Met inhibition. Conclusions Collectively, our findings identified a positive feedback loop formed by FOXM1 and HGF/Met and revealed that this loop is a potentially effective therapeutic target for PDA.
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Affiliation(s)
- J Cui
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - T Xia
- Department of Gastroenterology, Shanghai Changhai Hospital, Second Military Medical University, Shanghai, People's Republic of China
| | - D Xie
- Department of Oncology, Shanghai Tongji University Affiliated East Hospital, Shanghai, People's Republic of China
| | - Y Gao
- Department of Oncology, Shanghai Tongji University Affiliated East Hospital, Shanghai, People's Republic of China
| | - Z Jia
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - D Wei
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - L Wang
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - S Huang
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - M Quan
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Department of Oncology, Shanghai Tongji University Affiliated East Hospital, Shanghai, People's Republic of China
| | - K Xie
- Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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202
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Zhu W, Lu W, Cui J, Peng L, Ou Y, Li H, Liu H, You W, Wang D, Zeng Y. Treatment of tibia avulsion fracture of posterior cruciate ligament with high-strength suture fixation under arthroscopy. Eur J Trauma Emerg Surg 2015; 43:137-143. [PMID: 26660676 PMCID: PMC5306319 DOI: 10.1007/s00068-015-0606-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [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: 08/20/2015] [Accepted: 11/16/2015] [Indexed: 12/01/2022]
Abstract
Aim To evaluate the outcome of arthroscopy treatment using high-strength line in the treatment of tibial avulsion fracture of posterior cruciate ligament. Methods Both the avulsed bone block and the tibia bone bed were refreshed. The procedure was completed with the assistance of PCL director drill guide. The reduction and fixation using high-strength line were used to fix the avulsed bone by from posterior middle portal. Rehabilitation began early postoperatively. Results From January 2010 to June 2012, a total of 18 arthroscopically treated cases of PCL tibial avulsion fracture were retrospectively evaluated. Reduction of the avulsion fragment was obtained in all cases. 16 cases were followed up for 7–30 months (average 13.6), and 2 cases were out of follow-up. In the 16 followed patients, flexion and extension were back to normal within 6 weeks, and return to normal walk in 12 weeks. The bone healing was good without any vascular or nerve complications. All the patients regained the preinjury activity level. The mean score (and standard deviation) increased from 38.9 ± 4.9 points to 95.2 ± 3.8 points with the system of Lysholm, from 57.1 ± 10.3 points to 94.3 ± 4.4 points with the system of IKDC. Post-test displacement of KT3000 declined from 3.6 ± 0.39 to 1.1 ± 0.27 mm. Conclusion Arthroscopic vertical fixation by high-strength line is a simple, safe, reliable, and micro-invasive treatment to PCL tibial avulsion fracture. It is a kind of real all arthroscopic technique, and good for early postoperative rehabilitation. The total stability of the knee could be gained, and the second operation to remove the internal fixation is avoided.
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Affiliation(s)
- W Zhu
- Department of Sports Medicine, Shenzhen Second People's Hospital (First Affiliated Hospital of Shenzhen University), 518035, Shenzhen, Guangdong, People's Republic of China.,Shenzhen Tissue Engineering Laboratory, 518000, Shenzhen, People's Republic of China.,Shenzhen Sports Medicine Engineering Laboratory, 518000, Shenzhen, People's Republic of China.,Guangzhou Medical University, 510182, Guangzhou, People's Republic of China
| | - W Lu
- Department of Sports Medicine, Shenzhen Second People's Hospital (First Affiliated Hospital of Shenzhen University), 518035, Shenzhen, Guangdong, People's Republic of China. .,Shenzhen Tissue Engineering Laboratory, 518000, Shenzhen, People's Republic of China. .,Shenzhen Sports Medicine Engineering Laboratory, 518000, Shenzhen, People's Republic of China.
| | - J Cui
- Shenzhen Tissue Engineering Laboratory, 518000, Shenzhen, People's Republic of China.,Shenzhen Sports Medicine Engineering Laboratory, 518000, Shenzhen, People's Republic of China.,Guangzhou Medical University, 510182, Guangzhou, People's Republic of China
| | - L Peng
- Department of Sports Medicine, Shenzhen Second People's Hospital (First Affiliated Hospital of Shenzhen University), 518035, Shenzhen, Guangdong, People's Republic of China
| | - Y Ou
- Department of Sports Medicine, Shenzhen Second People's Hospital (First Affiliated Hospital of Shenzhen University), 518035, Shenzhen, Guangdong, People's Republic of China
| | - H Li
- Department of Sports Medicine, Shenzhen Second People's Hospital (First Affiliated Hospital of Shenzhen University), 518035, Shenzhen, Guangdong, People's Republic of China
| | - H Liu
- Department of Sports Medicine, Shenzhen Second People's Hospital (First Affiliated Hospital of Shenzhen University), 518035, Shenzhen, Guangdong, People's Republic of China
| | - W You
- Shenzhen Sports Medicine Engineering Laboratory, 518000, Shenzhen, People's Republic of China.,Guangzhou Medical University, 510182, Guangzhou, People's Republic of China
| | - D Wang
- Department of Sports Medicine, Shenzhen Second People's Hospital (First Affiliated Hospital of Shenzhen University), 518035, Shenzhen, Guangdong, People's Republic of China. .,Shenzhen Tissue Engineering Laboratory, 518000, Shenzhen, People's Republic of China. .,Shenzhen Sports Medicine Engineering Laboratory, 518000, Shenzhen, People's Republic of China. .,Guangzhou Medical University, 510182, Guangzhou, People's Republic of China.
| | - Y Zeng
- Biomechanics and Medical Information Institute, Beijing University of Technology, 100022, Beijing, People's Republic of China.
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203
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Zhang YL, Zhang HW, Zhang X, Liu LN, Liu RD, Xu BL, Wang ZQ, Cui J. Analysis of Structures, Functions, and Epitopes of Aminopeptidase from Trichinella spiralis. Trop Biomed 2015; 32:776-782. [PMID: 33557470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
We have previously reported that the recombinant T. spiralis aminopeptidase (rTsAP) could induce a partial protective immunity against T. spiralis infection in mice. The aim of this study was to predict the structures and functions of TsAP protein by using the full length cDNA sequence of TsAP gene. TsAP sequence was 1515 bp length with a 1515 bp biggest ORF encoding 504-amino acid protein. The molecular weight and isoelectric point of TsAP were 54.7 kDa and 6.69, respectively. TsAP structure domains contained a Peptidase_M17_N and a Peptidase_M17 domain, which has the function of catalysis of the hydrolysis of N-terminal amino acid residues. TsAP had no signal peptide site and transmembrane domain, and located in cytoplasm. The secondary structure of TsAP contained 16 α-helix, 14 β-strand and 29 coils. The TsAP had 11 and 21 potential antigenic epitopes of T cell and B cell, respectively. Based on the phylogenetic analyses of TsAP, T. spiralis have the closest relationship with Plasmodium falciparum. TsAP was a kind of proteolytic enzyme with a variety of biological functions and its antigenic epitopes could provide important insights on the diagnostic antigens and target molecular of anti-Trichinella drugs.
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Affiliation(s)
- Y L Zhang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
- Institute of Parasitic Diseases, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
| | - H W Zhang
- Institute of Parasitic Diseases, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
| | - X Zhang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - L N Liu
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - R D Liu
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - B L Xu
- Institute of Parasitic Diseases, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
| | - Z Q Wang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - J Cui
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
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204
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Cui J. Skin sympathetic nerve activity under heat stress. Auton Neurosci 2015. [DOI: 10.1016/j.autneu.2015.07.362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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205
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Wang H, Zhang Q, Chai Y, Liu Y, Li F, Wang B, Zhu C, Cui J, Qu H, Zhu M. 1,25(OH)2D3 downregulates the Toll-like receptor 4-mediated inflammatory pathway and ameliorates liver injury in diabetic rats. J Endocrinol Invest 2015; 38:1083-91. [PMID: 25906757 PMCID: PMC4768236 DOI: 10.1007/s40618-015-0287-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Accepted: 04/03/2015] [Indexed: 01/10/2023]
Abstract
BACKGROUND Fatty acid deposition in the liver can activate a number of pro-inflammatory signaling pathways such as the Toll-like receptor 4 (TLR4) pathway, which may be important in the pathogenesis of nonalcoholic steatohepatitis. 1,25(OH)2D3 downregulates the expression of TLR4 and may represent a novel treatment strategy for reducing hepatocyte injury. Therefore, in this study, we investigated the protective effects of 1,25(OH)2D3 on diabetic liver injury in vivo. METHODS Streptozotocin (STZ)-induced diabetic rats were randomly divided into five groups and treated with low-dose 1,25(OH)2D3 (0.025 μg/kg/day), medium-dose 1,25(OH)2D3 (0.15 μg/kg/day), high-dose 1,25(OH)2D3 (0.3 μg/kg/day), insulin (protamine zinc insulin 16 U/kg/day, subcutaneous injection), or no intervention (the control group). Sixteen weeks later, the rats were killed, and blood samples were obtained to test lipid profiles and hepatic function. The infiltration of inflammatory cells, the level of fibrosis, and the expression levels of TLR4, nuclear factor-kappa B (NF-κB), and tumor necrosis factor-α (TNF-α) in the liver were analyzed. The hepatocytes were treated with vehicle control, LPS (100 ng), high fat [DMEM + FFA (0.1 mM: palmitic acid, oleic acid, 1:2)], LPS + high fat, vehicle + 1,25(OH)2D3 (10(-7) M), LPS + 1,25(OH)2D3, high fat + 1,25(OH)2D3, or LPS + high fat + 1,25(OH)2D3. RNA and protein were extracted to detect the expression of TLR4 and downstream inflammatory factors such as NF-ΚB, TNF-α, and IL-6. Groups of data were compared by single factor variance analysis. RESULTS High-dose 1,25(OH)2D3 administration for 16 weeks downregulated the expression of TLR4, NF-κB, and TNF-α in the liver tissue of diabetic rats and attenuated hepatic inflammation and fibrosis, as shown by immunohistochemical staining, hematoxylin and eosin staining, Masson's trichrome staining, reverse transcription polymerase chain reaction (RT-PCR), and western blotting. In vitro, hepatocytes treated with high fat or LPS exhibited significantly increased expression of TLR4, NF-κB, and downstream inflammatory factors (P < 0.05). Intervention with 1,25(OH)2D3 decreased the expression of TLR4, NF-κB, and inflammatory factors (P < 0.05). CONCLUSIONS 1,25(OH)2D3 exhibited protective effects against diabetes-related liver injury, possibly through downregulation of components of the TLR4 signaling pathway.
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Affiliation(s)
- H Wang
- Department of Endocrinology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Q Zhang
- Department of Endocrinology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Y Chai
- Department of Endocrinology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Y Liu
- Department of Endocrinology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - F Li
- Department of Endocrinology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - B Wang
- Department of Endocrinology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - C Zhu
- Department of Endocrinology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - J Cui
- Department of Endocrinology, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - H Qu
- Division of Epidemiology, Human Genetics and Environmental Sciences, University of Texas School of Public Health, Houston, TX, 77030, USA
| | - M Zhu
- Department of Endocrinology, Tianjin Medical University General Hospital, Tianjin, 300052, China.
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206
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Xing R, Li L, Chen L, Gao Z, Wang H, Li W, Cui J, Tian G, Liang Q, Yu J, Sung JJ, Luo G, Gao H, Xu X, Yang H, Wang J, Zhang X, Wang JM, Huang J, Yu Y, Wang J, Lu Y. Copy number variations of HLA-I and activation of NKp30 pathway determine the sensitivity of gastric cancer cells to the cytotoxicity of natural killer cells. Oncogene 2015; 35:2584-91. [PMID: 26364607 DOI: 10.1038/onc.2015.324] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Revised: 05/19/2015] [Accepted: 07/24/2015] [Indexed: 02/06/2023]
Abstract
Nude mice are important in vivo model for characterization of cell malignancy behavior; however, many cancer cells fail to form tumors in it. Understanding this defective mechanism may provide novel insights into tumorigenesis and how tumor cells escape innate immunity. Whole-genome sequencing was conducted on two gastric cancer (GC) cells, BGC823 and AGS, which do and do not form tumors in nude mice, to identify their genomic differences relevant to natural killer (NK) cells. We found that the tumorigenic capacity of human GC cell lines was dependent on the recruitment and activation of NK cells in xenograft tumors. We used whole-genome sequence (WGS) on GC cell lines to identify potential genes controlling susceptibility to NK-mediated killing. The tumorigenic cell line BGC823 expressed high levels of HLA-I because of copy gain and was resistant to NK cell killing. In contrast, another cell line AGS expressing low levels of HLA-I with activated NKp30/MAPK/IL-12 (interleukin-12) or IL-2 (interleukin-2) pathway was susceptible to NK lysis. Treatment of tumor bearing mice with systemic administration of IL-12 in combination with intratumor injection of anti-HLA-I antibody significantly increased NK cell recruitment into xenograft tumors, which became sensitive to NK killing, resulting in reduced tumor progression. In human GC specimens, decreased HLA-I expression and increased NK cells surrounding tumor cells were correlated with decreased metastasis potential and better prognosis of patients. Our results provide a mechanistic basis for GC cells to escape NK lysis and a promising prospect of NK immunotherapy for GC cells.
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Affiliation(s)
- R Xing
- Laboratory of Molecular Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - L Li
- Beijing Genomics Institute at Shenzhen, Shenzhen, China
| | - L Chen
- Beijing Genomics Institute at Shenzhen, Shenzhen, China
| | - Z Gao
- Beijing Genomics Institute at Shenzhen, Shenzhen, China
| | - H Wang
- Laboratory of Molecular Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - W Li
- Laboratory of Molecular Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - J Cui
- Laboratory of Molecular Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - G Tian
- Beijing Genomics Institute at Shenzhen, Shenzhen, China
| | - Q Liang
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
| | - J Yu
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
| | - J J Sung
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong, China
| | - G Luo
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine, Cleveland, OH, USA.,Beijing University of Chinese Medicine, Beijing, China
| | - H Gao
- Shanghai Engineering Center for Molecular Medicine, Shanghai, China
| | - X Xu
- Beijing Genomics Institute at Shenzhen, Shenzhen, China
| | - H Yang
- Beijing Genomics Institute at Shenzhen, Shenzhen, China
| | - J Wang
- Beijing Genomics Institute at Shenzhen, Shenzhen, China
| | - X Zhang
- Beijing Genomics Institute at Shenzhen, Shenzhen, China
| | - J M Wang
- Laboratory of Molecular Immunoregulation, Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute at Frederick, Frederick, MD, USA
| | - J Huang
- Laboratory of Molecular Immunoregulation, Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute at Frederick, Frederick, MD, USA
| | - Y Yu
- Department of Surgery, Ruijin Hospital and Shanghai Institute of Digestive Surgery, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - J Wang
- Beijing Genomics Institute at Shenzhen, Shenzhen, China
| | - Y Lu
- Laboratory of Molecular Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
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207
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Abstract
Gibberellins (GA) are some of the most important phytohormones involved in plant development. DELLA proteins are negative regulators of GA signaling in many plants. In this study, the full-length cDNA sequences of three DELLA genes were cloned from Artemisia annua. Phylogenetic analysis revealed that AaDELLA1 and AaDELLA2 were located in the same cluster, but AaDELLA3 was not. Subcellular localization analysis suggested that AaDELLAs can be targeted to the nucleus and/or cytoplasm. Real-time PCR indicated that all three AaDELLA genes exhibited the highest expression in seeds. Expression of all AaDELLA genes was enhanced by exogenous MeJA treatment but inhibited by GA3 treatment. Yeast two-hybrid assay showed that AaDELLAs could interact with basic helix-loop-helix transcription factor AaMYC2, suggesting that GA and JA signaling may be involved in cross-talk via DELLA and MYC2 interaction in A. annua.
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Affiliation(s)
- Q Shen
- Fudan-SJTU-Nottingham Plant Biotechnology Research and Development Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - J Cui
- Fudan-SJTU-Nottingham Plant Biotechnology Research and Development Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - X Q Fu
- Fudan-SJTU-Nottingham Plant Biotechnology Research and Development Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - T X Yan
- Fudan-SJTU-Nottingham Plant Biotechnology Research and Development Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - K X Tang
- Fudan-SJTU-Nottingham Plant Biotechnology Research and Development Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
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208
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Li JL, Cui J, Cheng DY. Computational identification and characterization of conserved miRNAs and their target genes in beet (Beta vulgaris). Genet Mol Res 2015; 14:9103-8. [PMID: 26345842 DOI: 10.4238/2015.august.7.19] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Highly conserved endogenous non-coding microRNAs (miRNAs) play important roles in plants and animals by silencing genes via destruction or blocking of translation of homologous mRNA. Sugar beet, Beta vulgaris, is one of the most important sugar crops in China, with properties that include wide adaptability and strong tolerance to salinity and impoverished soils. Seedlings of B. vulgaris can grow in soils containing up to 0.6% salt; it is important to understand the molecular mechanisms of salt tolerance to enrich genetic resources for breeding salt-tolerant sugar beets. Here, we report 13 mature miRNAs from 12 families, predicted using an in silico approach from 29,857 expressed sequence tags and 279,223 genome survey sequences. The psRNATarget server predicted 25 target genes for the 13 miRNAs. Most of the target genes appeared to encode transcription factors or were involved in metabolism, signal transduction, stress response, growth, and development. These results improve our understanding of the molecular mechanisms of miRNA in beet and may aid in the development of novel and precise techniques for understanding post-transcriptional gene-silencing mechanisms in response to stress tolerance.
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Affiliation(s)
- J L Li
- Food Science and Engineering, Harbin Institute of Technology, Harbin, China
| | - J Cui
- Food Science and Engineering, Harbin Institute of Technology, Harbin, China
| | - D Y Cheng
- Food Science and Engineering, Harbin Institute of Technology, Harbin, China
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209
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Abstract
OBJECTIVE To investigate the prevalence of obesity in young adults and to analyze the influencing factors on renal functions and proteinuria in this population. METHODS This study comprised civil servants between 20 and 39 years old, who received physical examinations at the First Affiliated Hospital of Fujian Medical University. The subjects were categorized into four groups based on age (20-24, 25-29, 30-34 and 35-39 years) and the number of risk factors they had (hypertension, dyslipidemia, hyperglycemia and hyperuricemia). The relationships between obesity and the prevalence of proteinuria, between obesity and risk factors and between estimated glomerular filtration rate (eGFR) and proteinuria were analyzed. RESULTS Among the 2293 young civil servants, in men the prevalence of obesity was 33.3 % and proteinuria was 2.5 %. However in women the prevalence of obesity and proteinuria was 7.5 % and 1.7 %, respectively. The levels of blood pressure, serum uric acid (UA), cholesterol (TC), triglyceride (TG), fasting glucose (FBG) and low-density lipoprotein cholesterol (LDL-C) were lower and the level of serum high-density lipoprotein cholesterol (HDL-C) was higher in nonobese groups compared with obese groups. There were no significant differences in eGFR between the two groups. The eGFR in male subjects was associated with age, UA, body mass index (BMI), FBG, TC, TG, LDL and HDL, and in female subjects associated with UA, age, BMI, diastolic blood pressure, FBG and LDL. BMI in both males and females increased with the higher number of risk factors. Multiple regression analysis revealed that hypertension, dyslipidemia, hyperglycemia and hyperuricemia were independently associated with obesity. eGFR decreased with a higher number of risk factors. Obesity, blood pressure, dyslipidemia, hyperglycemia and hyperuricemia were independently associated with proteinuria. CONCLUSION Obesity can pose an independent risk factor for proteinuria in young adults. Hypertension, dyslipidemia, hyperglycemia and hyperuricemia were independently associated with obesity. eGFR decreased with a higher number of risk factors.
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Affiliation(s)
- D.-Y. You
- Department of Nephrology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005 China
| | - Z.-Y. Wu
- Department of Nephrology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005 China
| | - J.-X. Wan
- Department of Nephrology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005 China
| | - J. Cui
- Department of Nephrology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005 China
| | - Z.-H. Zou
- Department of Nephrology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005 China
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210
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Cui G, Shiu A, Zhou S, Cui J, Ballas L. SU-E-T-92: Achieving Desirable Lung Doses in Total Body Irradiation Based On in Vivo Dosimetry and Custom Tissue Compensation. Med Phys 2015. [DOI: 10.1118/1.4924453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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211
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Jiao P, Wei L, Song Y, Cui J, Zhang S, Han F, Yuan R, Liao M. Molecular cloning and immune responsive expression of LGP2 gene, a pivotal member of the RLR gene family from Muscovy duck Cairina moschata. Poult Sci 2015; 94:1170-6. [DOI: 10.3382/ps/pev082] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2015] [Indexed: 12/21/2022] Open
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Zhu M, Li M, Zhang F, Feng F, Chen W, Yang Y, Cui J, Zhang D, Linghu E. Correction: FBI-1 Enhances ETS-1 Signaling Activity and Promotes Proliferation of Human Colorectal Carcinoma Cells. PLoS One 2015; 10:e0129537. [PMID: 26020937 PMCID: PMC4447463 DOI: 10.1371/journal.pone.0129537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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213
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Abstract
Summary
The diagnosis of trichinellosis is rather difficult because fever, myalgia and eosinophilia are nonspecific, and diagnosis may be delayed. We describe a small familiar outbreak of trichinellosis occurred in early 2009 in Tibet, southwestern China, due to consumption of raw pork. The patients with trichinellosis were diagnosed by muscle biopsy and serological tests (ELISA and IFA) early at 12 days after onset of disease. Both of the pre-encapsulated and encapsulated Trichinella larvae collected from biopsy muscles and residual pork were identified as Trichinella spiralis by multiplex PCR. This is the first species identification of Trichinella isolates from the biopsy muscles of patients with trichinellosis in China.
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Affiliation(s)
- Z. Q. Wang
- Department of Parasitology,Medical College,Zhengzhou University, Zhengzhou, China
| | - Ciren
- Center for Disease Prevention and Control of Linzhi, Tibet, China
| | - H. J. Ren
- Department of Parasitology,Medical College,Zhengzhou University, Zhengzhou, China
| | - L. Z. Li
- Department of Parasitology,Medical College,Zhengzhou University, Zhengzhou, China
| | - J. Cui
- Department of Parasitology,Medical College,Zhengzhou University, Zhengzhou, China
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214
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Lin X, Zhang Z, Chen JM, Xu YY, Ye HR, Cui J, Fang Y, Jin Y, Zhu DR, Yuan L. Role of APN and TNF-α in type 2 diabetes mellitus complicated by nonalcoholic fatty liver disease. Genet Mol Res 2015; 14:2940-6. [PMID: 25966055 DOI: 10.4238/2015.april.10.1] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a chronic liver disease caused by non-excessive alcohol consumption and is the most common cause of elevated levels of serum liver enzymes. We examined changes in adiponectin (APN) and tumor necrosis factor-α (TNF-α) in type 2 diabetes mellitus (T2DM) complicated by NAFLD and their relationships with insulin resistance (IR). Forty-two T2DM, 39 NAFLD, and 45 T2DM complicated with NAFLD (complicated group) patients were enrolled in this study. Body mass index, fasting blood plasma glucose (FPG), fasting insulin, triglyceride (TG), alanine aminotransferase, gamma-glutamyl transpeptidase, APN, TNF-α, and homeostasis model of assessment (HOMA)-IR were determined. The degree of fatty liver was graded according to liver/spleen computed tomography ratio and intrahepatic vessel manifestations. Compared with the T2DM and NAFLD groups, fasting blood plasma glucose, alanine aminotransferase, gamma-glutamyl transpeptidase, TG, TNF-α, and HOMA-IR in the complicated group were significantly increased, while APN was significantly reduced. Body mass index in the complicated group was significantly higher than in the T2DM group. The complicated group was prone to severe fatty liver compared with the NAFLD group. APN was negatively correlated with body mass index, fasting blood plasma glucose, TG, TNF-α, and HOMA-IR. TNF-α was negatively correlated with APN, but positively correlated with FPG, fasting insulin, TG, and HOMA-IR. The complicated group had clear IR. A more severe degree of fatty liver was associated with higher HOMA-IR and TNF-α and lower APN. APN was an important factor for antagonizing inflammation and mitigating IR.
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Affiliation(s)
- X Lin
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Z Zhang
- Department of Endocrinology, China Resource and WISCO General Hospital, Wuhan, China
| | - J M Chen
- Department of Endocrinology, China Resource and WISCO General Hospital, Wuhan, China
| | - Y Y Xu
- Department of Endocrinology, China Resource and WISCO General Hospital, Wuhan, China
| | - H R Ye
- Department of Endocrinology, China Resource and WISCO General Hospital, Wuhan, China
| | - J Cui
- Department of Endocrinology, China Resource and WISCO General Hospital, Wuhan, China
| | - Y Fang
- Department of Endocrinology, China Resource and WISCO General Hospital, Wuhan, China
| | - Y Jin
- Department of Endocrinology, China Resource and WISCO General Hospital, Wuhan, China
| | - D R Zhu
- Department of Endocrinology, China Resource and WISCO General Hospital, Wuhan, China
| | - L Yuan
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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215
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Liu LN, Wang ZQ, Zhang X, Jiang P, Zhang ZF, Zhang GY, Cui J. Analysis of structure, function and epitopes of Spirometra erinaceieuropaei casein kinase I. Trop Biomed 2015; 32:167-175. [PMID: 25801267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Spirometra erinaceieuropaei casein kinase I (SeCKI) was analyzed using bioinformatical methods to predict its structure and function based on the deduced amino acid sequence from full length cDNA sequence of SeCKI gene with online sites and software programs. The longest open reading frame contains 448 amino acids, 50 kDa and theoretical pI of 4.73, with a complete tubulin domain, a SMART tubulin_C domain and a low complexity region. SeCKI has no signal sequence and no transmembrane domain, but is predicted to be located extracellularly. The secondary structure of SeCKI contains 12 α-helixes, 11 β-strands and 22 coils. SeCKI had 19 potential antigenic epitopes and 25 HLA-I restricted epitopes. Based on phylogenetic analysis of SeCKI sequence, S. erinaceieuropaei has the closest evolutionary status with Hymenolepis microstoma. Information from this study could provide important insights into the identification of diagnostic antigens and molecular targets of anti-sparganum drugs.
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Affiliation(s)
- L N Liu
- Department of Parasitology, Medical College, Zhengzhou University, 40 Daxue Road, Zhengzhou 450052, China
| | - Z Q Wang
- Department of Parasitology, Medical College, Zhengzhou University, 40 Daxue Road, Zhengzhou 450052, China
| | - X Zhang
- Department of Parasitology, Medical College, Zhengzhou University, 40 Daxue Road, Zhengzhou 450052, China
| | - P Jiang
- Department of Parasitology, Medical College, Zhengzhou University, 40 Daxue Road, Zhengzhou 450052, China
| | - Z F Zhang
- Department of Parasitology, Medical College, Zhengzhou University, 40 Daxue Road, Zhengzhou 450052, China
| | - G Y Zhang
- Department of Parasitology, Medical College, Zhengzhou University, 40 Daxue Road, Zhengzhou 450052, China
| | - J Cui
- Department of Parasitology, Medical College, Zhengzhou University, 40 Daxue Road, Zhengzhou 450052, China
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216
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Yang Y, Cui J, Xue F, Overstreet AM, Zhan Y, Shan D, Li H, Li H, Wang Y, Zhang M, Yu C, Xu ZQD. Resveratrol Represses Pokemon Expression in Human Glioma Cells. Mol Neurobiol 2015; 53:1266-1278. [PMID: 25875864 DOI: 10.1007/s12035-014-9081-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [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: 08/11/2014] [Accepted: 12/29/2014] [Indexed: 01/10/2023]
Abstract
POK erythroid myeloid ontogenic factor (Pokemon), an important proto-oncoprotein, is a transcriptional repressor that regulates the expression of many genes and plays an important role in tumorigenesis. Resveratrol (RSV), a natural polyphenolic compound, has many beneficial biological effects on health. In this study, we investigated the role of Pokemon in RSV-induced biological effects and the effect of RSV on the expression of Pokemon in glioma cells. We found that overexpression of Pokemon decreased RSV-induced cell apoptosis, senescence, and anti-proliferative effects. Moreover, we showed that RSV could efficiently decrease the activity of the Pokemon promoter and the expression of Pokemon. Meanwhile, RSV also inhibited Sp1 DNA binding activity to the Pokemon promoter; whereas, it did not influence the expression and nuclear translocation of Sp1. In addition, we found that RSV could increase the recruitment of HDAC1, but decreased p300 to the Pokemon promoter. Taken together, all these results extended our understanding on the anti-cancer mechanism of RSV in glioma cells.
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Affiliation(s)
- Yutao Yang
- Department of Neurobiology, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Laboratory of Brain Disorders (MOST), Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China.
| | - Jiajun Cui
- Department of Cancer and Cell Biology, University of Cincinnati College of Medicine, Cincinnati, OH, 45267, USA
| | - Feng Xue
- Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Anne-Marie Overstreet
- Department of Cancer and Cell Biology, University of Cincinnati College of Medicine, Cincinnati, OH, 45267, USA
| | - Yiping Zhan
- Department of Neurosurgery, Beijing Sanbo Brain Hospital, Capital Medical University, Beijing, 100093, China.,Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Dapeng Shan
- Third Institute of Oceanography, State Oceanic Administration, Xiamen, 361005, China
| | - Hui Li
- Department of Molecular and Biomedical Pharmacology, University of Kentucky College of Medicine, Lexington, KY, 40536, USA
| | - Hui Li
- Department of Neurobiology, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Laboratory of Brain Disorders (MOST), Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China
| | | | - Mengmeng Zhang
- Jiaxing Entry-Exit Inspection and Quarantine, Jiaxing, 314001, China
| | - Chunjiang Yu
- Department of Neurosurgery, Beijing Sanbo Brain Hospital, Capital Medical University, Beijing, 100093, China
| | - Zhi-Qing David Xu
- Department of Neurobiology, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Laboratory of Brain Disorders (MOST), Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China.
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217
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Gao Y, Cui J, He W, Yue J, Yu D, Cai L, Xu H, Yang C, Chen ZK, Zhou H. Generation and characterization of polyclonal antibodies against mouse T-cell immunoglobulin and immunoreceptor tyrosine-based inhibitory domain by DNA-based immunization. Transplant Proc 2015; 46:260-5. [PMID: 24507063 DOI: 10.1016/j.transproceed.2013.10.039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2013] [Revised: 09/27/2013] [Accepted: 10/02/2013] [Indexed: 10/25/2022]
Abstract
Mouse T-cell immunoglobulin and immunoreceptor tyrosine-based inhibitory domain (TIGIT) is a newly identified surface protein expressed in regulatory, memory, natural killer (NK), and activated T cells. Several studies indicate that mouse TIGIT is a vital immunomodulator that can control the activities of both NK and T cells and plays an important role in transplantation tolerance. In this study, we designed a vector, TIGIT-pcDNA3.1 (+), that encodes the complete coding sequence of mouse TIGIT. The vector was intramuscularly injected into rats, and then the specific antisera were harvested and purified using a protein A/G PLUS-agarose affinity column. Western blot and immunohistochemistry analyses revealed that the antibodies generated by DNA immunization can bind with the mouse TIGIT. Using these antibodies in immunoblots, TIGIT was detected in lysates of mouse organs, T cells from mouse lymph nodes, and recombinant mouse fusion protein of TIGIT and Fc fragment. Immunohistochemistry analysis of normal mouse kidney showed that immunoreactivity was located on endothelial cells of glomerular capillary loops and peritubular capillaries. Our results demonstrated that the DNA immunization of rats through intramuscular injection was a simple and easily available method of producing polyclonal antibodies that can be used to detect and analyze mouse TIGIT expression in mouse systems.
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Affiliation(s)
- Y Gao
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Key Laboratory of Ministry of Health, Key Laboratory of Ministry of Education, Wuhan, China; Department of General Surgery I, Taihe Hospital Affiliated to Hubei University of Medicine, Shiyan, Hubei, China
| | - J Cui
- Department of Cardio-Thoracic Surgery, Zhongshan Hospital of Traditional Chinese Medicine, Guangdong, China
| | - W He
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Key Laboratory of Ministry of Health, Key Laboratory of Ministry of Education, Wuhan, China
| | - J Yue
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Key Laboratory of Ministry of Health, Key Laboratory of Ministry of Education, Wuhan, China; Department of General Surgery I, Taihe Hospital Affiliated to Hubei University of Medicine, Shiyan, Hubei, China
| | - D Yu
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Key Laboratory of Ministry of Health, Key Laboratory of Ministry of Education, Wuhan, China
| | - L Cai
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Key Laboratory of Ministry of Health, Key Laboratory of Ministry of Education, Wuhan, China
| | - H Xu
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Key Laboratory of Ministry of Health, Key Laboratory of Ministry of Education, Wuhan, China
| | - C Yang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Key Laboratory of Ministry of Health, Key Laboratory of Ministry of Education, Wuhan, China
| | - Z K Chen
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Key Laboratory of Ministry of Health, Key Laboratory of Ministry of Education, Wuhan, China.
| | - H Zhou
- Department of Cardiothoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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218
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Carretas JM, Cui J, Cruz A, Santos IC, Marçalo J. Crystal structure of bis[1-{(3,5-dimethyl-1H-pyrazol-1-yl)methyl}-3,5-dimethyl-1H-pyrazol-2-ium] hexachlorouranate(IV): [H2C(3,5-Me2pz)(3,5-Me2pzH)]2[UCl6]. J STRUCT CHEM+ 2015. [DOI: 10.1134/s0022476615010254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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219
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Cui J, Yang Y, Li H, Leng Y, Qian K, Huang Q, Zhang C, Lu Z, Chen J, Sun T, Wu R, Sun Y, Song H, Wei X, Jing P, Yang X, Zhang C. MiR-873 regulates ERα transcriptional activity and tamoxifen resistance via targeting CDK3 in breast cancer cells. Oncogene 2014; 34:3895-907. [PMID: 25531331 DOI: 10.1038/onc.2014.430] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2014] [Revised: 11/19/2014] [Accepted: 11/21/2014] [Indexed: 12/21/2022]
Abstract
miRNAs (microRNAs) are frequently and aberrantly expressed in many cancers. MiR-873 has been revealed to be downregulated in colorectal cancer and glioblastoma. However, its function remains unclear. Here we report that miR-873 is downregulated in breast tumor compared with normal tissue. Enforced expression of miR-873 decreases the transcriptional activity of ER (estrogen receptor)-α but not ERβ through the modulation of ERα phosphorylation in ER-positive breast cancer cells. We also found that miR-873 inhibits breast cancer cell proliferation and tumor growth in nude mice. Reporter gene assays revealed cyclin-dependent kinase 3 (CDK3) as a direct target of miR-873. CDK3 was shown to be overexpressed in breast cancer and phosphorylate ERα at Ser104/116 and Ser118. Furthermore, we found that Mir-873 inhibits ER activity and cell growth via targeting CDK3. Interestingly, miR-873 was observed to be downregulated in tamoxifen-resistant MCF-7/TamR cells, while CDK3 is overexpressed in these cells. More importantly, re-expression of miR-873 reversed tamoxifen resistance in MCF-7/TamR cells. Our data demonstrate that miR-873 is a novel tumor suppressor in ER-positive breast cancer and a potential therapeutic approach for treatment of tamoxifen-resistant breast cancer.
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Affiliation(s)
- J Cui
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing, China
| | - Y Yang
- Beijing Institute for Neuroscience, Capital Medical University, Beijing, China
| | - H Li
- Department of Molecular & Biomedical Pharmacology, University of Kentucky College of Medicine, Lexington, KY, USA
| | - Y Leng
- The Affiliated Hospital of Jiujiang University, Jiujiang, China
| | - K Qian
- The Affiliated Hospital of Jiujiang University, Jiujiang, China
| | - Q Huang
- Department of Animal Sciences and Technology, Jilin Agriculture University, Changchun, China
| | - C Zhang
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Z Lu
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing, China
| | - J Chen
- Urology Department, the First Hospital of Nanchang University, Nanchang, China
| | - T Sun
- Urology Department, the First Hospital of Nanchang University, Nanchang, China
| | - R Wu
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing, China
| | - Y Sun
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing, China
| | - H Song
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing, China
| | - X Wei
- Department of Applied Chemistry, College of Chemistry & Molecular Engineering, Peking University, Beijing, China
| | - P Jing
- Department of Chemistry, College of Arts and Sciences, Indiana University-Purdue University Fort Wayne Fort Wayne, IN, USA
| | - X Yang
- Institute of Health Sciences, Anhui University, Hefei, China
| | - C Zhang
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing, China
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220
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Yang Y, Cui J, Xue F, Zhang C, Mei Z, Wang Y, Bi M, Shan D, Meredith A, Li H, Xu ZQD. Pokemon (FBI-1) interacts with Smad4 to repress TGF-β-induced transcriptional responses. Biochim Biophys Acta 2014; 1849:270-81. [PMID: 25514493 DOI: 10.1016/j.bbagrm.2014.12.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Revised: 11/20/2014] [Accepted: 12/09/2014] [Indexed: 11/16/2022]
Abstract
Pokemon, an important proto-oncoprotein, is a transcriptional repressor that belongs to the POK (POZ and Krüppel) family. Smad4, a key component of TGF-β pathway, plays an essential role in TGF-β-induced transcriptional responses. In this study, we show that Pokemon can interact directly with Smad4 both in vitro and in vivo. Overexpression of Pokemon decreases TGF-β-induced transcriptional activities, whereas knockdown of Pokemon increases these activities. Interestingly, Pokemon does not affect activation of Smad2/3, formation of Smads complex, or DNA binding activity of Smad4. TGF-β1 treatment increases the interaction between Pokemon and Smad4, and also enhances the recruitment of Pokemon to Smad4-DNA complex. In addition, we also find that Pokemon recruits HDAC1 to Smad4 complex but decreases the interaction between Smad4 and p300/CBP. Taken together, all these data suggest that Pokemon is a new partner of Smad4 and plays a negative role in TGF-β pathway.
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Affiliation(s)
- Yutao Yang
- Department of Neurobiology, Beijing Key Laboratory of Major Brain Disorders, Capital Medical University, Beijing,100069, China.
| | - Jiajun Cui
- Department of Cancer and Cell Biology, University of Cincinnati College of Medicine, Cincinnati, 45267, USA; Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing, 100071, China
| | - Feng Xue
- Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Chuanfu Zhang
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing, 100071, China
| | - Zhu Mei
- Department of Neurobiology, Beijing Key Laboratory of Major Brain Disorders, Capital Medical University, Beijing,100069, China
| | - Yue Wang
- Beijing Chao-Yang Hospital, Capital Medical University, Beijing, 100020, China
| | - Mingjun Bi
- Department of Cancer and Cell Biology, University of Cincinnati College of Medicine, Cincinnati, 45267, USA
| | - Dapeng Shan
- Third Institute of Oceanography, State Oceanic Administration, Xiamen, 361005, China
| | - Alex Meredith
- Department of Cancer and Cell Biology, University of Cincinnati College of Medicine, Cincinnati, 45267, USA
| | - Hui Li
- Department of Molecular and Biomedical Pharmacology, University of Kentucky College of Medicine, Lexington KY, 40536, USA
| | - Zhi-Qing David Xu
- Department of Neurobiology, Beijing Key Laboratory of Major Brain Disorders, Capital Medical University, Beijing,100069, China.
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221
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Wang Y, Gong X, Su Y, Cui J, Shu X, Perge P, Kovacs A, Liptai C, Apor A, Nagy K, Geller L, Szeplaki G, Merkely B, Goebel B, Hamadanchi A, Schmidt-Winter C, Otto S, Jung C, Figulla H, Poerner T, Rotzak R, Aharonovich A, Geva Y, Rozenman Y, Capotosto L, D'angeli I, Azzano A, Placanica A, Mukred K, Rinaldi E, Ashurov R, Tanzilli G, Mangieri E, Vitarelli A, Lesevic H, Karl M, Rosner S, Ott I, Sonne C, Borges IP, Peixoto E, Peixoto R, Peixoto R, Marcolla V, Citro R, Baldi C, Provenza G, Di Maio M, Silverio A, Prota C, Di Muro MR, Bossone E, Giudice P, Piscione F, Muratori M, Fusini L, Gripari P, Tamborini G, Ghulam Ali S, Salvi L, Bartorelli A, Agrifoglio M, Alamanni F, Pepi M, Fusini L, Tamborini G, Muratori M, Cefalu' C, Bottari V, Gripari P, Ghulam Ali S, Andreini D, Pontone G, Pepi M. MODERATED POSTER SESSION: Imaging in interventional cardiology: Wednesday 3 December 2014, 09:00-16:00 * Location: Moderated Poster area. Eur Heart J Cardiovasc Imaging 2014. [DOI: 10.1093/ehjci/jeu242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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222
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Liu RD, Cui J, Wang L, Long SR, Zhang X, Liu MY, Wang ZQ. Identification of surface proteins of Trichinella spiralis muscle larvae using immunoproteomics. Trop Biomed 2014; 31:579-591. [PMID: 25776583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Trichinella spiralis surface proteins are directly exposed to the host's immune system, making them the main target antigens which induce the immune responses and may play an important role in the larval invasion and development process. The analysis and characterization of T. spiralis surface proteins could provide useful information to elucidate the host-parasite interaction, identify the early diagnostic antigens and the targets for vaccine. The purpose of this study was to identify the surface proteins of T. spiralis muscle larvae by two-dimensional gel electrophoresis (2-DE) Western-blot analysis and mass spectrometry. The 2-DE results showed that a total of approximately 33 proteins spots were detected with molecular weights varying from 10 to 66 kDa and isoelectric point (pI) from 4 to 7. Fourteen protein spots were recognized by sera of mice infected with T. spiralis at 42 dpi or at 18 dpi, and 12 spots were successfully identified by MALDI-TOF/TOF-MS, which represented 8 different proteins of T. spiralis. Out of the 8 T. spiralis proteins, 5 proteins (partial P49 antigen, deoxyribonuclease II family protein, two serine proteases, and serine proteinase) had catalytic and hydrolase activity, which might be the invasion-related proteins and the targets for vaccine. The 4 proteins (deoxyribonuclease II family protein, serine protease, 53 kDa ES antigen and hypothetical protein Tsp_08444) recognized by infection sera at 18 dpi might be the early diagnostic antigens for trichinellosis.
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MESH Headings
- Animals
- Antibodies, Helminth/blood
- Antigens, Helminth/analysis
- Antigens, Helminth/chemistry
- Antigens, Helminth/immunology
- Blotting, Western
- Electrophoresis, Gel, Two-Dimensional
- Larva/chemistry
- Larva/immunology
- Male
- Membrane Proteins/analysis
- Membrane Proteins/chemistry
- Membrane Proteins/immunology
- Mice, Inbred BALB C
- Molecular Weight
- Muscles/parasitology
- Proteome/analysis
- Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
- Trichinella spiralis/chemistry
- Trichinella spiralis/immunology
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Affiliation(s)
- R D Liu
- Department of Parasitology, Medical College, Zhengzhou University, 450052 Zhengzhou, PR China
| | - J Cui
- Department of Parasitology, Medical College, Zhengzhou University, 450052 Zhengzhou, PR China
| | - L Wang
- Department of Parasitology, Medical College, Zhengzhou University, 450052 Zhengzhou, PR China
| | - S R Long
- Department of Parasitology, Medical College, Zhengzhou University, 450052 Zhengzhou, PR China
| | - X Zhang
- Department of Parasitology, Medical College, Zhengzhou University, 450052 Zhengzhou, PR China
| | - M Y Liu
- Key Lab. of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, 130062 Changchun, PR China
| | - Z Q Wang
- Department of Parasitology, Medical College, Zhengzhou University, 450052 Zhengzhou, PR China
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223
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Zhang X, Cui J, Wei T, Li LY, Jiang J, Lu JC, Jiang P, Liu LN, Wang ZQ. Survey and genetic variation of Spirometra erinaceieuropaei sparganum in frogs and snakes from Guangxi of southern China. Trop Biomed 2014; 31:862-870. [PMID: 25776613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The prevalence of sparganum infection in wild frogs (Rana rugulosa and R. temporaria) and snakes (Enhydris chinensis) was investigated in Guangxi Zhuang Autonomous Region of Southern China from June 2013 to August 2013. The results showed that 30.37% (65/214) of the caught wild frogs and 50% (3/6) of examined snakes were found to be infected with plerocercoids (spargana) of the genus Spirometra. To investigate the genetic variation of the collected spargana, three mitochondrial DNA (mtDNA) regions, namely cytochrome c oxidase subunit 1 and 3 (cox1 and cox3), NADH dehydrogenase subunits 4 (nad4) were amplified, sequenced, and analyzed. The sequences of cox1, cox3 and pnad4 are 444, 387 and 585 bp in length, respectively. The base composition of cox1, cox3 and pnad4 were generally AT rich with a mean of 62.7%, 67.2% and 64.9%, respectively. Phylogenetic analyses using Bayesian inference (BI) and maximum parsimony (MP) indicated that all the Spirometra sparganum isolates in Guangxi represented S. erinaceieuropaei.
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Affiliation(s)
- X Zhang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - J Cui
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - T Wei
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - L Y Li
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - J Jiang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - J C Lu
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - P Jiang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - L N Liu
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
| | - Z Q Wang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou 450052, China
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224
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Cui L, Li M, Feng F, Yang Y, Hang X, Cui J, Gao J. MEIS1 functions as a potential AR negative regulator. Exp Cell Res 2014; 328:58-68. [DOI: 10.1016/j.yexcr.2014.08.023] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Revised: 08/15/2014] [Accepted: 08/17/2014] [Indexed: 02/07/2023]
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225
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Cui J, Santos IC, Carretas JM. Yttrium and samarium complexes with a linked 1,4,7-triazacyclononane-aryloxide ancillary ligand. J STRUCT CHEM+ 2014. [DOI: 10.1134/s0022476614050230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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226
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Affiliation(s)
- Y. Liu
- Beijing University of Technology, China
| | - J. Cui
- Beijing University of Technology, China
| | - S. Cui
- Beijing University of Technology, China
| | - X. Gong
- Beijing University of Technology, China
| | - Z. Wang
- Beijing University of Technology, China
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227
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Zhang X, Ma W, Cui J, Yao H, Zhou H, Ge Y, Xiao L, Hu X, Liu BH, Yang J, Li YY, Chen S, Eaves CJ, Wu D, Zhao Y. Regulation of p21 by TWIST2 contributes to its tumor-suppressor function in human acute myeloid leukemia. Oncogene 2014; 34:3000-10. [DOI: 10.1038/onc.2014.241] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2013] [Revised: 06/08/2014] [Accepted: 06/15/2014] [Indexed: 12/18/2022]
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228
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Cui J, He W, Yi B, Zhao H, Lu K, Ruan H, Ma D. mTOR pathway is involved in ADP-evoked astrocyte activation and ATP release in the spinal dorsal horn in a rat neuropathic pain model. Neuroscience 2014; 275:395-403. [PMID: 24976516 DOI: 10.1016/j.neuroscience.2014.06.030] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Revised: 06/10/2014] [Accepted: 06/13/2014] [Indexed: 01/13/2023]
Abstract
BACKGROUND ATP/ADP-evoked spinal astrocyte activation plays a vital role in the development of neuropathic pain. We aim to investigate the role of mammalian target of rapamycin (mTOR) pathway on the spinal astrocyte activation in the neuropathic pain development in rats. METHODS Sprague Dawley (SD) rats were subjected to chronic constriction of the sciatic nerve (CCI). Rapamycin or ADP was intrathecally injected daily to explore their effects on spinal astrocyte activation and pain development. Expression of glial fibrillary acidic protein (GFAP) and mTOR in the spinal dorsal horn was assessed by immunohistochemistry. Von Frey hairs and Hargreaves paw withdrawal test were conducted to evaluate mechanical allodynia and thermal sensitivity, respectively. Firefly luciferase ATP assay was used to assess the change of ATP level in cerebrospinal fluid (CSF) and medium of cultured astrocytes. RESULTS GFAP expression was enhanced in the ipsilateral spinal dorsal horn from day 3 after surgery. GFAP and mTOR expression in the rat spinal dorsal horn on post-surgical day 14 was enhanced by daily intrathecal injection of ADP, which was inhibited by rapamycin. Rapamycin decreased lower mechanical pain threshold and the thermal withdrawal latency. Intrathecal injection of ADP enhanced the ATP release, which was partially inhibited by rapamycin. Study of cultured astrocytes indicated that ATP could be released from astrocytes. CONCLUSION Our data demonstrated that ADP enhanced neuropathic pain in CCI rats, which was inhibited by rapamycin. This study indicates that targeting mTOR pathway could serve as a novel therapeutic strategy in neuropathic pain management.
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Affiliation(s)
- J Cui
- Department of Anaesthesiology, Southwest Hospital, Third Military Medical University, Chongqing 400038, China
| | - W He
- Department of Neurobiology, Chongqing Key Laboratory of Neurobiology, College of Basic Medical Sciences, Third Military Medical University, Chongqing 400038, China
| | - B Yi
- Department of Anaesthesiology, Southwest Hospital, Third Military Medical University, Chongqing 400038, China
| | - H Zhao
- Section of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London, UK
| | - K Lu
- Department of Anaesthesiology, Southwest Hospital, Third Military Medical University, Chongqing 400038, China.
| | - H Ruan
- Department of Neurobiology, Chongqing Key Laboratory of Neurobiology, College of Basic Medical Sciences, Third Military Medical University, Chongqing 400038, China.
| | - D Ma
- Section of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London, UK
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Abstract
We developed a unique preparation technique to eliminate surface damage on the c-plane of sapphire and render it atomically flat. AFM images of c-plane sapphire annealed at 1380 °C for 1hour show terrace-like features with about 0.2 μm long terraces. The GaN layers grown by MBE on annealed sapphire have [0 0 2] symmetric and [1 0 4] asymmetric full width at half maximum (FWHM) of about 60 and 132 arcsec, respectively. This compares with 408 and 600 arcsec, respectively, for GaN grown on sapphire having gone through conventional chemical cleaning.
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230
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Chen AM, Daly ME, Cui J, Wooten HO, Farwell DG, Purdy JA. Helical tomotherapy with simultaneous integrated boost dose painting for the treatment of synchronous primary cancers involving the head and neck. Br J Radiol 2014; 87:20130697. [PMID: 24884726 DOI: 10.1259/bjr.20130697] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE To demonstrate the feasibility of helical tomotherapy (HT)-based intensity-modulated radiotherapy (IMRT) for the treatment of synchronous primary cancers arising from the head and neck. METHODS 14 consecutive patients with histologically proven squamous cell carcinoma of the head and neck were determined to have a second primary cancer in the upper aerodigestive tract on further evaluation and were treated with HT using simultaneous integrated boost IMRT. Megavoltage CT scans were acquired daily as part of an image-guided registration protocol. Concurrent platinum-based systemic therapy was given to nine patients (64%). RESULTS HT resulted in durable local control in 21 of the 28 primary disease sites irradiated, including a complete clinical and radiographic response initially observed at 17 of the 20 sites with gross tumour. The mean displacements to account for interfraction motion were 2.44 ± 1.25, 2.92 ± 1.09 and 2.31 ± 1.70 mm for the medial-lateral (ML), superior-inferior (SI) and anteroposterior (AP) directions, respectively. Table shifts of >3 mm occurred in 19%, 20% and 22% of the ML, SI and AP directions, respectively. The 2-year estimates of overall survival, local-regional control and progression-free survival were 58%, 73% and 60%, respectively. CONCLUSION The effectiveness of HT for the treatment of synchronous primary cancers of the head and neck was demonstrated. ADVANCES IN KNOWLEDGE HT is a feasible option for synchronous primary cancers of the head and neck and can result in long-term disease control with acceptable toxicity in appropriately selected patients.
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Affiliation(s)
- A M Chen
- 1 Department of Radiation Oncology, University of California Davis Comprehensive Cancer Center, Sacramento, CA, USA
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231
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Zhu M, Li M, Zhang F, Feng F, Chen W, Yang Y, Cui J, Zhang D, Linghu E. FBI-1 enhances ETS-1 signaling activity and promotes proliferation of human colorectal carcinoma cells. PLoS One 2014; 9:e98041. [PMID: 24857950 PMCID: PMC4032333 DOI: 10.1371/journal.pone.0098041] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2014] [Accepted: 04/28/2014] [Indexed: 01/29/2023] Open
Abstract
In this study, we investigated a potential regulatory role of FBI-1 in transcription factor activity of ETS-1. The protein interaction was identified between ETS-1 and FBI-1 in lovo cells. The accumulating data showed that FBI-1 promoted the recruitment of ETS-1 to endogenous promoter of its target genes and increase ETS-1 accumulation in the nuclear. Our work also indicated that the FBI-1 enhances ETS-1 transcription factor activity via down-regulating p53-mediated inhibition on ETS-1. Further, FBI-1 plays a role in regulation of colorectal carcinoma cells proliferation. These findings supported that FBI-1 might be a potential molecule target for treating colorectal carcinoma.
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Affiliation(s)
- Min Zhu
- Department of oncology, Nan Lou Division, Chinese PLA General Hospital, Beijing, P. R. China
| | - Mingyang Li
- Department of Gastroenterology, Nan Lou Division, Chinese PLA General Hospital, Beijing, P. R. China
| | - Fan Zhang
- Tumor Center, Chinese PLA General Hospital, Beijing, P. R. China
| | - Fan Feng
- Department of Pharmacy, General Hospital of Shenyang Military Command, Shenyang, P. R. China
| | - Weihao Chen
- Department of Urology, Chinese PLA General Hospital, Beijing, P. R. China
| | - Yutao Yang
- Beijing Institute for Neuroscience, Capital Medical University, Beijing, P. R. China
| | - Jiajun Cui
- Department of Cancer and cell Biology, College of Medicine, University of Cincinnati, Cincinnati, Ohio, United States of America
| | - Dong Zhang
- Department of oncology, Nan Lou Division, Chinese PLA General Hospital, Beijing, P. R. China
- * E-mail: (DZ); (EL)
| | - Enqiang Linghu
- Department of Gastroenterology, Chinese PLA General Hospital, Beijing, P. R. China
- * E-mail: (DZ); (EL)
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Zhu J, Zhu C, Ge S, Zhang M, Jiang L, Cui J, Ren F. Lactobacillus salivarius Ren prevent the early colorectal carcinogenesis in 1, 2-dimethylhydrazine-induced rat model. J Appl Microbiol 2014; 117:208-16. [PMID: 24754742 DOI: 10.1111/jam.12499] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [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: 01/26/2014] [Revised: 03/03/2014] [Accepted: 03/17/2014] [Indexed: 12/14/2022]
Abstract
AIMS The objective of this study was to investigate the impact of Lactobacillus salivarius Ren (LS) on modulating colonic micro flora structure and influencing host colonic health in a rat model with colorectal precancerous lesions. METHODS AND RESULTS Male F344 rats were injected with 1, 2-dimethylhydrazine (DMH) and treated with LS of two doses (5 × 10(8) and 1 × 10(10) CFU kg(-1) body weight) for 15 weeks. The colonic microflora profiles, luminal metabolites, epithelial proliferation and precancerous lesions [aberrant crypt foci (ACF)] were determined. A distinct segregation of colonic microflora structures was observed in LS-treated group. The abundance of one Prevotella-related strain was increased, and the abundance of one Bacillus-related strain was decreased by LS treatment. These changes were accompanied by increased short-chain fatty acid levels and decreased azoreductase activity. LS treatment also reduced the number of ACF by c. 40% and suppressed epithelial proliferation. CONCLUSIONS Lactobacillus salivarius Ren improved the colonic microflora structures and the luminal metabolisms in addition preventing the early colorectal carcinogenesis in DMH-induced rat model. SIGNIFICANCE AND IMPACT OF THE STUDY Colonic microflora is an important factor in colorectal carcinogenesis. Modulating the structural shifts of microflora may provide a novel option for preventing colorectal carcinogenesis. This study suggested a potential probiotic-based approach to modulate the intestinal microflora in the prevention of colorectal carcinogenesis.
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Affiliation(s)
- J Zhu
- Beijing Laboratory for Food Quality and Safety, Key Laboratory of Functional Dairy, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China; Beijing Higher Institution Engineering Research Centre of Animal Product, China Agricultural University, Beijing, China
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233
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Li X, Cui J, Christopasak SP, Kumar A, Peng ZG. Radiofrequency artefacts in echoplanar imaging induced by two 1.5 T MR scanners in close proximity. Br J Radiol 2014; 87:20130773. [PMID: 24712321 DOI: 10.1259/bjr.20130773] [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] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE The purpose of this study was to assess radio frequency (RF) artefacts in echoplanar imaging (EPI) induced by two 1.5 T MR scanners in close proximity and to find an effective method to correct them. METHODS Based on the intact shielding of rooms, experiments were performed by two MR scanners with similar centre frequencies. Phantom A (PA) was scanned in one scanner by EPI at different bandwidths (BWs). Simultaneously, phantom B was scanned in a fixed sequence for scanning with the other scanner. RF artefact gaps of PA, scanning time and the image signal-noise ratio (SNR) were measured and recorded. Statistical analysis was performed with the repeated-measures analysis of variance test. Based on findings obtained from PA, three healthy volunteers were studied at a conventional BW and a lower BW to observe the artefact variance. RESULTS EPI RF artefacts were symmetrically situated in both sides of the image following the phase-encoding direction. The gap size of the artefact became larger and the SNR was significantly improved with a narrower BW. RF artefacts with a lower BW in volunteers presented the same characteristic as PA. CONCLUSION For EPI RF artefacts produced by two 1.5 T MR scanners with approximately similar centre frequencies, we can reduce BWs in a suitable range to minimize the effect on MRI. ADVANCES IN KNOWLEDGE MR scanners with the same field strength installed in the same vicinity might produce RF artefacts in the sequence at larger BWs. Reducing BWs properly is effective to control the position of artefacts and improve the image quality.
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Affiliation(s)
- X Li
- Department of Radiology, The Third Hospital of Hebei Medical University, Hebei Province Biomechanical Key Laboratory of Orthopedics, Shijiazhuang, China
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234
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Yuan M, Qiu M, Cui J, Zhang X, Zhang P. Protective effects of pioglitazone against immunoglobulin deposition on heart of streptozotocin-induced diabetic rats. J Endocrinol Invest 2014; 37:375-84. [PMID: 24682915 DOI: 10.1007/s40618-013-0046-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Accepted: 12/17/2013] [Indexed: 11/28/2022]
Abstract
AIM Peroxisome proliferator-activated receptor-γ (PPAR-γ) agonists have immunomodulatory and anti-inflammatory effects. The study investigated the autoimmune injuries of diabetic cardiomyopathy (DCM) and tested the hypothesis that PPAR-γ agonists suppress disordered immune responses in diabetic heart, thereby preventing evolution of DCM. METHODS STZ-induced diabetic rats were assigned to five groups: DM group, given no treatment; INS group, given insulin (4 U kg(-1) d(-1)); PIL group, given low dose pioglitazone (4 mg kg(-1) d(-1)); PIL/INS group, given both low dose pioglitazone and insulin; PIH group, given high dose pioglitazone (20 mg kg(-1) d(-1)). Normal rats (CON group) were also monitored as control. The pathologic abnormalities of hearts were observed. The immunoglobulin deposition was examined by immunohistochemistry and immunofluorescence. RESULTS At 16 weeks, interstitial fibrosis was shown in diabetic heart which was accompanied by plenty of inflammatory cells infiltrated. Pioglitazone therapy could ameliorate the cardiac injuries. Shown by immunohistochemistry, the difference of integrated optical density (IOD) of immunoglobulin deposition among each group had statistic significance. No obvious immunoglobulins were deposited in the intercellular substance of heart in CON group (IgA 290.8 ± 88.1, IgG 960.4 ± 316.0 and IgM 341.3 ± 67.9). But the deposition of immunoglobulins increased significantly in DM group (IgA 7,047.5 ± 1,328.3, P < 0.05; IgG 28,945.9 ± 5,160.7, P < 0.05 and IgM 8,580.8 ± 1,336.8, P < 0.05). Administration of pioglitazone greatly reduced the increased deposition in a dose-dependent fashion. Moreover, the statistical significance was the same with immunofluorescence analysis as with immunohistochemical examination. CONCLUSIONS The data suggest that disordered immune responses play an important role in the pathogenesis of DCM. Pioglitazone showed protective effects by inhibiting the immunoglobulin deposition on diabetic myocardium.
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Affiliation(s)
- M Yuan
- Department of Endocrinology, General Hospital of Tianjin Medical University, Tianjin, 300052, China
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235
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Wang Y, Han Z, Zhang Z, Chi Y, Yang Z, Yang S, Yan S, Mao A, Zhang J, Xu F, Liang L, Zhang Q, Yang Y, Wang S, Meng L, Cui J, Ji Y, Fang X, Zhong-Chao H. Long-term cultured mesenchymal stem cells frequently develop genomic mutations but do not undergo malignant transformation. Cytotherapy 2014. [DOI: 10.1016/j.jcyt.2014.01.279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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236
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Cui J, Choi JP, Li G, Polikarpov E, Darsell J, Overman N, Olszta M, Schreiber D, Bowden M, Droubay T. Thermal stability of MnBi magnetic materials. J Phys Condens Matter 2014; 26:064212. [PMID: 24469323 DOI: 10.1088/0953-8984/26/6/064212] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
MnBi has attracted much attention in recent years due to its potential as a rare-earth-free permanent magnet material. It is unique because its coercivity increases with increasing temperature, which makes it a good hard phase material for exchange coupling nanocomposite magnets. MnBi phase is difficult to obtain, partly because the reaction between Mn and Bi is peritectic, and partly because Mn reacts readily with oxygen. MnO formation is irreversible and harmful to magnet performance. In this paper, we report our efforts toward developing MnBi permanent magnets. To date, high purity MnBi (>90%) can be routinely produced in large quantities. The produced powder exhibits 74.6 emu g(-1) saturation magnetization at room temperature with 9 T applied field. After proper alignment, the maximum energy product (BH)max of the powder reached 11.9 MGOe, and that of the sintered bulk magnet reached 7.8 MGOe at room temperature. A comprehensive study of thermal stability shows that MnBi powder is stable up to 473 K in air.
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237
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Chen A, Wang P, Daly M, Cui J, Hall W, Vijayakumar S, Phillips T, Farwell G, Purdy J. Dose–Volume Modeling of Brachial Plexus-Associated Neuropathy After Radiation Therapy for Head-and-Neck Cancer: Findings From a Prospective Screening Protocol. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2013.11.191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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238
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Abstract
BACKGROUND The self-referential memory (SRM) effect refers to the phenomenon that stimuli processed with reference to the self are better remembered than those referenced to others. Studies have shown that schizophrenia patients do not have this memorial advantage for self-referenced information. The current study investigated the electrophysiological mechanism of the abolished SRM effect in schizophrenia. METHOD Twenty schizophrenia patients and 22 controls were recruited to complete an SRM task. We used a high-time resolution event-related potential (ERP) technique to analyze the electrophysiological differences between patients and controls during self- and other-reflection processing. RESULTS Behavior data indicated that healthy controls had a typical SRM bias that was absent in the schizophrenia patients. ERP comparison between groups showed that the schizophrenia patients presented smaller voltages in both self- and other-reflection conditions in the 160-260 ms (P2 component) and 800-1200 ms (positive slow wave) time windows over the pre/frontal cortex. Furthermore, the N2 amplitudes (270-380 ms) differed between self- and other-reflection conditions in patients but not in normal controls. More importantly, we found that the P3 amplitudes in the parietal cortex correlated significantly with the SRM bias score in the patients (r = -0.688). CONCLUSIONS These results provide comprehensive and direct electrophysiological evidence for self- and other-reflective dysfunction in schizophrenia patients and contribute to our understanding of the underlying neural substrates of the abolished SRM effect in schizophrenia.
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Affiliation(s)
- Y Zhao
- Center for Psychiatric Research, Beijing Huilongguan Hospital, China
| | - D Zhang
- Institute of Affective and Social Neuroscience, Shenzhen University, China
| | - S Tan
- Center for Psychiatric Research, Beijing Huilongguan Hospital, China
| | - C Song
- Center for Psychiatric Research, Beijing Huilongguan Hospital, China
| | - J Cui
- Center for Psychiatric Research, Beijing Huilongguan Hospital, China
| | - F Fan
- Center for Psychiatric Research, Beijing Huilongguan Hospital, China
| | - X Zhu
- Center for Psychiatric Research, Beijing Huilongguan Hospital, China
| | - Y Zou
- Center for Psychiatric Research, Beijing Huilongguan Hospital, China
| | - Y Luo
- Institute of Affective and Social Neuroscience, Shenzhen University, China
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239
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Cui J, Song L, Zhou L, Meng H, Zhao J. Needs of family caregivers of advanced cancer patients: a survey in Shanghai of China. Eur J Cancer Care (Engl) 2014; 23:562-9. [DOI: 10.1111/ecc.12174] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/20/2013] [Indexed: 12/01/2022]
Affiliation(s)
- J. Cui
- School of Nursing; Second Military Medical University; Shanghai China
| | - L.J. Song
- Department of Nursing; Shanghai Medical College; Shanghai China
| | - L.J. Zhou
- School of Nursing; Second Military Medical University; Shanghai China
| | - H. Meng
- Department of Health Statistics; Second Military Medical University; Shanghai China
| | - J.J. Zhao
- Department of Nursing; Changhai Hospital; Second Military Medical University; Shanghai China
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Jiang S, Li F, Dong Q, Liu H, Fang C, Shu C, Cheng H, Cui J, Ma H, Chen D, Li H. H558R polymorphism in SCN5A is associated with Keshan disease and QRS prolongation in Keshan disease patients. Genet Mol Res 2014; 13:6569-76. [DOI: 10.4238/2014.august.28.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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241
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Ou S, Liu GD, Zhou LS, Xia X, Bai SR, Li J, Cui J, Cheng JM, Li YM, Zhang XY, Gu JW. Bioinformatics analysis of gene expression profiles in the rat cerebral cortex following traumatic brain injury. Eur Rev Med Pharmacol Sci 2014; 18:101-107. [PMID: 24452950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
BACKGROUND Traumatic brain injury (TBI) is a serious neurodisorder commonly caused by sports related events or violence. It is the leading cause of disability in people under 40. AIM In order to elucidate the molecular mechanism of the secondary injury after TBI. MATERIALS AND METHODS In this study, we downloaded gene expression profile on TBI model with sham controls for gene set enrichment analysis and pathway analysis. RESULTS At a q-value of 5%, 361 genes were up-regulated and 373 were down-regulated in samples obtained at 48 hours after TBI. Functional analyses revealed that steroid biosynthesis, cell cycle, metal ion transport, inflammation and apoptosis were significantly dysregulated during the late period after trauma. In addition, MAPK3 (mitogen-activated protein kinase 3), was identified as the hub node in the protein-protein interaction (PPI) network constructed by the differentially expressed genes (DEGs). CONCLUSIONS Further elucidation of genes and proteins in our study may reveal their potential as novel therapeutic targets.
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Affiliation(s)
- S Ou
- Department of Anesthesiology, 2Department of Neurosurgery, General Hospital of Chengdu Military Command, Chengdu, Sichuan, P.R. China.
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Lu Z, Zhang C, Cui J, Song Q, Wang L, Kang J, Li P, Hu X, Song H, Yang J, Sun Y. Bioinformatic analysis of the membrane cofactor protein CD46 and microRNA expression in hepatocellular carcinoma. Oncol Rep 2013; 31:557-64. [PMID: 24297460 PMCID: PMC3896517 DOI: 10.3892/or.2013.2877] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [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: 09/08/2013] [Accepted: 10/25/2013] [Indexed: 02/05/2023] Open
Abstract
The therapeutic potential of membrane complement regulatory protein (mCRP)-neutralizing antibodies is unsatisfactory, which perhaps lies in the complex role of mCRPs in tumor occurrence and development. As a member of the mCRPs, CD46 is a transmembrane protein with a cytoplasmic domain and is implicated more in the control of the alternative complement pathway than of the classical complement pathway. Growing evidence has revealed that both the CD46 signaling pathway and microRNAs (miRNAs) play an important role in the development and progression of hepatocellular carcinoma (HCC). In the present study, we analyzed mCRP expression in different tumor tissues by employing western blotting and qPCR. To address the potential role of miRNAs in CD46 signaling, we set out to profile miRNA expression in CD46-overexpressed and -silenced HepG2 cell lines. Furthermore, bioinformatic analysis was performed to identify downstream targets of CD46 signaling. We found that the levels of CD46 expression in HCC tissues were significantly higher compared to that in the adjacent normal tissues. After complement-related gene expression profiling and unsupervised hierarchical clustering analysis of 10 HCC tissues, a total of 37 miRNAs showed significantly different expression levels before and after CD46 expression change. By bioinformatic analysis, we identified let-7b and miR-17 as downstream targets of CD46 signaling, and that the expression levels of let-7b and miR-17 were negatively correlated with that of CD46 in HepG2 cells. The present study suggests that CD46 plays an important role in HCC carcinogenesis by regulating let-7b and miR-17.
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Affiliation(s)
- Zejun Lu
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing 100071, P.R. China
| | - Chuanfu Zhang
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing 100071, P.R. China
| | - Jiajun Cui
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing 100071, P.R. China
| | - Qi Song
- Department of Gynaecology and Obstetrics, The General Hospital of the Chinese People's Armed Police Force, Beijing 100039, P.R. China
| | - Ligui Wang
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing 100071, P.R. China
| | - Jingbo Kang
- Department of Radiation Oncology, Naval General Hospital of PLA, Beijing 100048, P.R. China
| | - Peng Li
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing 100071, P.R. China
| | - Xiaofeng Hu
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing 100071, P.R. China
| | - Hongbin Song
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing 100071, P.R. China
| | - Jinliang Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yansong Sun
- Institute of Disease Control and Prevention, Chinese Academy of Military Medical Sciences, Beijing 100071, P.R. China
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Batth SS, Sreeraman R, Dienes E, Beckett LA, Daly ME, Cui J, Mathai M, Purdy JA, Chen AM. Clinical-dosimetric relationship between lacrimal gland dose and ocular toxicity after intensity-modulated radiotherapy for sinonasal tumours. Br J Radiol 2013; 86:20130459. [PMID: 24167183 DOI: 10.1259/bjr.20130459] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
OBJECTIVE To characterise the relationship between lacrimal gland dose and ocular toxicity among patients treated by intensity-modulated radiotherapy (IMRT) for sinonasal tumours. METHODS 40 patients with cancers involving the nasal cavity and paranasal sinuses were treated with IMRT to a median dose of 66.0 Gy. Toxicity was scored using the Radiation Therapy Oncology Group morbidity criteria based on conjunctivitis, corneal ulceration and keratitis. The paired lacrimal glands were contoured as organs at risk, and the mean dose, maximum dose, V10, V20 and V30 were determined. Statistical analysis was performed using logistic regression and the Akaike information criterion (AIC). RESULTS The maximum and mean dose to the ipsilateral lacrimal gland were 19.2 Gy (range, 1.4-75.4 Gy) and 14.5 Gy (range, 11.1-67.8 Gy), respectively. The mean V10, V20 and V30 values were 50%, 25% and 17%, respectively. The incidence of acute and late Grade 3+ toxicities was 23% and 19%, respectively. Based on logistic regression and AIC, the maximum dose to the ipsilateral lacrimal gland was identified as a more significant predictor of acute toxicity (AIC, 53.89) and late toxicity (AIC, 32.94) than the mean dose (AIC, 56.13 and 33.83, respectively). The V20 was identified as the most significant predictor of late toxicity (AIC, 26.81). CONCLUSION A dose-response relationship between maximum dose to the lacrimal gland and ocular toxicity was established. Our data suggesting a threshold relationship may be useful in establishing dosimetric guidelines for IMRT planning that may decrease the risk of acute and late lacrimal toxicities in the future. ADVANCES IN KNOWLEDGE A threshold relationship between radiation dose to the lacrimal gland and ocular toxicity was demonstrated, which may aid in treatment planning and reducing the morbidity of radiotherapy for sinonasal tumours.
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Affiliation(s)
- S S Batth
- Department of Radiation Oncology, University of California, Davis, Comprehensive Cancer Center, Sacramento, CA, USA
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Zhou SL, Yue WB, Fan ZM, Du F, Liu BC, Li B, Han XN, Ku JW, Zhao XK, Zhang P, Cui J, Zhou FY, Zhang LQ, Fan XP, Zhou YF, Zhu LL, Liu HY, Wang LD. Autoantibody detection to tumor-associated antigens of P53, IMP1, P16, cyclin B1, P62, C-myc, Survivn, and Koc for the screening of high-risk subjects and early detection of esophageal squamous cell carcinoma. Dis Esophagus 2013; 27:790-7. [PMID: 24147952 DOI: 10.1111/dote.12145] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The aim of this study was to evaluate the diagnostic values by detecting sera autoantibodies to eight tumor-associated antigens (TAAs) of P53, IMP1, P16, cyclin B1, P62, C-myc, Survivn and Koc full-length recombinant proteins for the screening of high-risk subjects and early detection of esophageal squamous cell carcinoma (ESCC). Enzyme-linked immunosorbent assay was used to detect autoantibodies against the eight selected TAAs in 567 sera samples from four groups, including 200 individuals with normal esophageal epithelia (NOR), 214 patients with esophageal basal cell hyperplasia (BCH), 65 patients with esophageal dysplasia (DYS), and 88 patients with ESCC. In addition, the expression of the eight antigens in esophageal tissues was analyzed by immunohistochemistry. Statistically significant distribution differences were identified among the four groups for each of the individual autoantibodies to six TAAs (P53, IMP1, P16, cyclin B1, P62, and C-myc); the detection rates of antoantibodies were positively correlated with the progression of ESCC. When autoantibody assay successively accumulated to six TAAs (P53, IMP1, P16, cyclin B1, P62, and C-myc), a stepwise increased detection frequency of autoantibodies was found in the four sera groups (6% in NOR, 18% in BCH, 38% in DYS, and 64% in ESCC, respectively), the risks to BHC, DYS, and ESCC steadily increased about 3-, 9-, and 27-folds. The sensitivity and the specificity for autoantibodies against the six TAAs in diagnosing ESCC reached up to 64% and 94%, respectively. The area under the receiver operating characteristic curve for the six anti-TAA autoantibodies was 0.78 (95% confidence interval 0.74-0.83). No more increasing in sensitivity was found with the addition of new anti-TAA autoantibodies. A combination detection of autoantibodies to TAAs might distinguish ESCC patients from normal individuals and the patients with esophageal precancerous lesions.
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Affiliation(s)
- S L Zhou
- Henan Key Laboratory for Esophageal Cancer Research, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Wu Z, Hao R, Li P, Zhang X, Liu N, Qiu S, Wang L, Wang Y, Xue W, Liu K, Yang G, Cui J, Zhang C, Song H. MicroRNA expression profile of mouse lung infected with 2009 pandemic H1N1 influenza virus. PLoS One 2013; 8:e74190. [PMID: 24066118 PMCID: PMC3774802 DOI: 10.1371/journal.pone.0074190] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Accepted: 07/28/2013] [Indexed: 12/24/2022] Open
Abstract
MicroRNAs have been implicated in the regulation of gene expression of various biological processes in a post-transcriptional manner under physiological and pathological conditions including host responses to viral infections. The 2009 pandemic H1N1 influenza virus is an emerging reassortant strain of swine, human and bird influenza virus that can cause mild to severe illness and even death. To further understand the molecular pathogenesis of the 2009 pandemic H1N1 influenza virus, we profiled cellular microRNAs of lungs from BALB/c mice infected with wild-type 2009 pandemic influenza virus A/Beijing/501/2009 (H1N1) (hereafter referred to as BJ501) and mouse-adapted influenza virus A/Puerto Rico/8/1934 (H1N1) (hereafter referred to as PR8) for comparison. Microarray analysis showed both the influenza virus BJ501 and PR8 infection induced strain- and temporal-specific microRNA expression patterns and that their infection caused a group of common and distinct differentially expressed microRNAs. Characteristically, more differentially expressed microRNAs were aroused on day 5 post infection than on day 2 and more up-regulated differentially expressed microRNAs were provoked than the down-regulated for both strains of influenza virus. Finally, 47 differentially expressed microRNAs were obtained for the infection of both strains of H1N1 influenza virus with 29 for influenza virus BJ501 and 43 for PR8. Among them, 15 microRNAs had no reported function, while 32 including miR-155 and miR-233 are known to play important roles in cancer, immunity and antiviral activity. Pathway enrichment analyses of the predicted targets revealed that the transforming growth factor-β (TGF-β) signaling pathway was the key cellular pathway associated with the differentially expressed miRNAs during influenza virus PR8 or BJ501 infection. To our knowledge, this is the first report of microRNA expression profiles of the 2009 pandemic H1N1 influenza virus in a mouse model, and our findings might offer novel therapy targets for influenza virus infection.
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Affiliation(s)
- Zhihao Wu
- Department of Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, P. R. China
| | - Rongzhang Hao
- Department of Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, P. R. China
| | - Peng Li
- Department of Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, P. R. China
| | - Xiaoai Zhang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P. R. China
| | - Nan Liu
- Department of Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, P. R. China
| | - Shaofu Qiu
- Department of Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, P. R. China
| | - Ligui Wang
- Department of Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, P. R. China
| | - Yong Wang
- Department of Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, P. R. China
| | - Wenzhong Xue
- Department of Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, P. R. China
| | - Kun Liu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P. R. China
| | - Guang Yang
- Department of Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, P. R. China
| | - Jiajun Cui
- Department of Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, P. R. China
| | - Chuanfu Zhang
- Department of Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, P. R. China
- * E-mail: (HBS); (CFZ)
| | - Hongbin Song
- Department of Infectious Disease Control, Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, P. R. China
- * E-mail: (HBS); (CFZ)
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Zhou JM, Cui XT, Jin XJ, Zhou J, Fu M, Cui J, Zhu HM, Sun AJ, Hu K, Ge JB. Association of biochemical parameters of renal function with left ventricular diastolic dysfunction in a community-based elderly population in China. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht308.p2464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Zhang L, Cui J, Leonard M, Nephew K, Li Y, Zhang X. Silencing MED1 sensitizes breast cancer cells to pure anti-estrogen fulvestrant in vitro and in vivo. PLoS One 2013; 8:e70641. [PMID: 23936234 PMCID: PMC3728322 DOI: 10.1371/journal.pone.0070641] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Accepted: 06/19/2013] [Indexed: 12/21/2022] Open
Abstract
Pure anti-estrogen fulvestrant has been shown to be a promising ER antagonist for locally advanced and metastatic breast cancer. Unfortunately, a significant proportion of patients developed resistance to this type of endocrine therapy but the molecular mechanisms governing cellular responsiveness to this agent remain poorly understood. Here, we’ve reported that knockdown of estrogen receptor coactivator MED1 sensitized fulvestrant resistance breast cancer cells to fulvestrant treatment. We found that MED1 knockdown further promoted cell cycle arrest induced by fulvestrant. Using an orthotopic xenograft mouse model, we found that knockdown of MED1 significantly reduced tumor growth in mice. Importantly, knockdown of MED1 further potentiated tumor growth inhibition by fulvestrant. Mechanistic studies indicated that combination of fulvestrant treatment and MED1 knockdown is able to cooperatively inhibit the expression of ER target genes. Chromatin immunoprecipitation experiments further supported a role for MED1 in regulating the recruitment of RNA polymerase II and transcriptional corepressor HDAC1 on endogenous ER target gene promoter in the presence of fulvestrant. These results demonstrate a role for MED1 in mediating resistance to the pure anti-estrogen fulvestrant both in vitro and in vivo.
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Affiliation(s)
- Lijiang Zhang
- Department of Cancer Biology, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
- Institute of Biochemistry, College of Life Science, Zhejiang University, Hangzhou City, China
- Center of Safety Evaluation, Zhejiang Academy of Medical Sciences, Hangzhou City, China
| | - Jiajun Cui
- Department of Cancer Biology, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
| | - Marissa Leonard
- Department of Cancer Biology, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
| | - Kenneth Nephew
- Department of Medical Sciences, Indiana University School of Medicine, Bloomington, Indiana, United States of America
| | - Yongquan Li
- Institute of Biochemistry, College of Life Science, Zhejiang University, Hangzhou City, China
- * E-mail: (XZ); (YL)
| | - Xiaoting Zhang
- Department of Cancer Biology, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
- * E-mail: (XZ); (YL)
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Cui J, Zhong R, Chu E, Zhang XF, Zhang WG, Fang CF, Dong Q, Li FL, Li H. Correlation between oxidative stress and L-type calcium channel expression in the ventricular myocardia of selenium-deficient mice. J Int Med Res 2013. [PMID: 23206450 DOI: 10.1177/030006051204000507] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE Expression of the Cacna1c (calcium channel, voltage-dependent, L-type, α1C subunit) gene was studied to investigate the relationship between oxidative stress and L-type calcium channels in the myocardium of selenium-deficient mice. METHODS Selenium levels in liver and heart tissue samples from mice fed normal or selenium-deficient diets were evaluated by fluorometry. In the same mice, glutathione peroxidase (GPx) and Cacna1c gene expression were analysed, malondialdehyde (MDA) content and superoxide dismutase (SOD) activity were measured, oxidoreductase gene expression profiles were analysed (by DNA microarray), and myocardial structural changes were studied. RESULTS In selenium-deficient versus control mice, GPx expression and SOD activity were decreased, and Cacna1c expression and MDA concentration were increased. Selenoprotein oxidoreductase and nonselenoprotein oxidoreductase gene expression differed significantly between selenium-deficient and control mice. In selenium-deficient mice, myocardial fibres were separated by loose collagenous tissue; electron microscopy showed shortened sarcomeres, dilated sarcoplasmic reticulum, scattered myofibril lysis and increased mitochondria with amorphous matrix densities. CONCLUSION L-type calcium channels were involved in selenium deficiency-induced cardiomyocyte injury, which was positively related to oxidative stress.
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Affiliation(s)
- J Cui
- Harbin Medical University, Harbin, Hei Longjiang Province, China
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Macknik S, Rieiro H, Cui J, Ledo M, Afrasiabi MR, Martinez-Conde S. The neural correlates of flicker fusion. J Vis 2013. [DOI: 10.1167/13.9.318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Cui J, Macknik S, Troncoso X, Otero-Millan J, Martinez-Conde S. Neural Correlates of Vasarely's Nested Squares and the Alternating Brightness Star Illusion in area V1. J Vis 2013. [DOI: 10.1167/13.9.1149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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