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Chang Lung Ji

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https://www.readbyqxmd.com/read/28638448/ratio-of-autoantibodies-of-tumor-suppressor-aimp2-and-its-oncogenic-variant-is-associated-with-clinical-outcome-in-lung-cancer
#1
Ji Ye Jung, Eun Young Kim, Arum Kim, Joon Chang, Nam Hoon Kwon, Youngji Moon, Eun Joo Kang, Jun Sik Sung, Hyunbo Shim, Sunghoon Kim, Yoon Soo Chang
Aminoacyl-tRNA synthetase-interacting multi-functional protein 2 (AIMP2) works as potent tumor suppressor, while its splicing variant lacking exon 2 (AIMP2-DX2) competes with AIMP2 for binding to target proteins and compromises its anti-tumor activity. Assuming that AIMP2 and its variant AIMP2-DX2 could be released out to human sera in pathological condition, we investigated the diagnostic and prognostic usefulness of autoantibodies against AIMP2 and AIMP2-DX2 by measuring their serum levels in 80 normal and lung cancer samples that were matched in age, gender and smoking status...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28638445/association-of-mage-a1-6-expression-with-lung-cancer-progression
#2
Eunjue Yi, Ji-Eun Chang, Chosun Leem, Chang-Ho Jeon, Sanghoon Jheon
The melanoma-associated antigen (MAGE) genes are known to be expressed in various kinds of tumors including lung cancer. Although they are studied as targets for immunotherapy and tools for early detection of lung cancer, the correlation between MAGE expression and the prognosis in lung cancer has not been clarified. In this study, we evaluated the relationship between MAGE A1-6 gene expression and the clinical prognosis in lung cancer. Bone marrow aspirations were performed in 60 patients who were diagnosed as lung cancer and underwent lung cancer surgery between 2007 and 2008...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28593160/development-of-a-pulmonary-arteriovenous-fistula-after-a-modified-glenn-shunt-in-tetralogy-of-fallot-and-its-resolution-after-shunt-takedown-in-a-57-year-old-patient
#3
Sang Yoon Kim, Eung Rae Kim, Ji Hyun Bang, Woong-Han Kim
Pulmonary arteriovenous fistula (PAVF) is a complication of the Glenn shunt. A 57-year-old tetralogy of Fallot (TOF) patient, who had undergone a Glenn shunt and TOF total correction, complained of dyspnea and cyanosis. PAVFs were present in the right lung, and right lung perfusion was nearly absent. After coil embolization, takedown of the Glenn shunt, and reconstruction of the right pulmonary artery, the patient's symptoms were relieved. Extrapulmonary radioisotope uptake caused by the PAVFs shown in lung perfusion scans decreased, and right lung perfusion increased gradually...
June 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28562480/indinavir-plus-methylprednisolone-ameliorates-experimental-acute-lung-injury-in-vitro-and-in-vivo
#4
Yunxia Ji, Guanghua Zhang, Haibo Zhu, Defang Li, Wanglin Jiang
BACKGROUND: An abnormal HMGB1 activation plays a key role in the pathogenesis of ALI. METHODS: In this study, the effects of Indinavir plus Methylprednisolone on the LPS-mediated activation in HPMECs, on the injury of AT I in vitro, and on rats with LPS-induced two-hit model with or without Methylprednisolone were investigated. RESULTS: Indinavir treatment resulted in a reduction of HMGB1, its receptor TLR-4, and HMGB1's downstream p-NF-κB, attenuating a decrease of VE-cadherin in LPS stimulated HPMECs...
May 29, 2017: Shock
https://www.readbyqxmd.com/read/28562363/novel-mechanisms-for-crotonaldehyde-induced-lung-edema
#5
Yue Li, Jianjun Chang, Yong Cui, Runzhen Zhao, Yan Ding, Yapeng Hou, Zhiyu Zhou, Hong-Long Ji, Hongguang Nie
BACKGROUND: Crotonaldehyde is a highly noxious α,β-unsaturated aldehyde in cigarette smoke that causes edematous acute lung injury. OBJECTIVE: To understand how crotonaldehyde impairs lung function, we examined its effects on human epithelial sodium channels (ENaC), which are major contributors to alveolar fluid clearance. METHODS: We studied alveolar fluid clearance in C57 mice and ENaC activity was examined in H441 cells. Expression of α- and γ-ENaC was measured at protein and mRNA levels by western blot and real-time PCR, respectively...
May 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28558829/which-bronchodilator-reversibility-criteria-can-predict-severe-acute-exacerbation-in-chronic-obstructive-pulmonary-disease-patients
#6
Junghyun Kim, Woo Jin Kim, Chang-Hoon Lee, Sang Haak Lee, Myung-Goo Lee, Kyeong-Cheol Shin, Kwang Ha Yoo, Ji-Hyun Lee, Seong Yong Lim, Ju Ock Na, Hun-Gyu Hwang, Yoonki Hong, Myoung Nam Lim, Chul-Gyu Yoo, Ki Suck Jung, Sang-Do Lee
BACKGROUND: It is unclear whether various bronchodilator reversibility (BDR) criteria affect the prognosis of chronic obstructive pulmonary disease (COPD). The aim of this study is to evaluate the impact of positive BDR defined according to various BDR criteria on the risk of severe acute exacerbation (AE) in COPD patients. METHODS: Patients from four prospective COPD cohorts in South Korea who underwent follow-up for at least 1 year were enrolled in this study...
May 30, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28551494/isoimperatorin-attenuates-airway-inflammation-and-mucus-hypersecretion-in-an-ovalbumin-induced-murine-model-of-asthma
#7
Charith U B Wijerathne, Chang-Seob Seo, Ji-Won Song, Hee-Seon Park, Og-Sung Moon, Young-Suk Won, Hyo-Jung Kwon, Hwa-Young Son
Isoimperatorin (IMP), an active natural furocoumarin, has numerous pharmacologic effects, including anti-inflammatory, analgesic, antispasmodic, and anticancer activities. This study aimed to evaluate the preventive activity of IMP in an ovalbumin (OVA)-induced murine model of asthma and to investigate its possible molecular mechanisms. Female BALB/c mice were sensitized on days 0 and 14 via intraperitoneal injection of 20μg OVA. On days 21-23 after the initial sensitization, the mice received an airway challenge with OVA (1% w/v in PBS) for 1h; meanwhile, IMP (10 or 30mg/kg once daily) was administered by gavage on days 18-23...
May 25, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28549671/the-outcome-of-extracorporeal-life-support-after-general-thoracic-surgery-timing-of-application
#8
Heemoon Lee, Yang Hyun Cho, Hyoung Woo Chang, Ji-Hyuk Yang, Jong Ho Cho, Kiick Sung, Young Tak Lee
BACKGROUND: Extracorporeal life support (ECLS) is widely used in refractory cardiac or pulmonary failure. Because complications of general thoracic surgery frequently involve the heart or lungs, ECLS can be a useful option. Therefore, we retrospectively reviewed our experience with ECLS after general thoracic surgery. METHODS: There were 17,185 adult general thoracic surgery procedures between 2005 and 2013 at our institution, including resection of the lung (n = 10,434; 60...
May 24, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28545308/secreted-frizzled-related-protein-1-sfrp1-gene-methylation-changes-in-the-human-lung-adenocarcinoma-cells-treated-with-l-securinine
#9
Xi Yang, Shu-Wen Han, Hui Liu, Ling Zhu, Yu-Xin Chen, Zhao-Ning Ji
Lung cancer remains the leading cause of cancer-related death worldwide. It is important to explore the biomarkers of diagnosis and prognosis in lung cancer. To evaluate the cytotoxicity of L-securinine and the expression and methylation of secreted frizzled-related proteins (SFRPs) genes in the human lung adenocarcinoma cells, cell counting kit-8 (CCK-8) assay was used to assess the proliferation of lung adenocarcinoma cells treated with L-securinine. Quantitative real-time PCR (qRT-PCR) and bisulfite sequencing PCR were used to detect the expression and the DNA methylation of SFRPs genes, respectively...
May 26, 2017: Journal of Asian Natural Products Research
https://www.readbyqxmd.com/read/28526296/mesenchymal-stem-cells-mscs-attenuate-cutaneous-sclerodermatous-graft-versus-host-disease-scl-gvhd-through-inhibition-of-immune-cell-infiltration-in-a-mouse-model
#10
Ji-Young Lim, Da-Bin Ryu, Sung-Eun Lee, Gyeongsin Park, Chang-Ki Min
Human chronic graft-versus-host disease (CGVHD) shares clinical characteristics with a murine sclerodermatous GVHD (Scl-GVHD) model that is characterized by skin thickening and lung fibrosis. A B10.D2 → BALB/c transplant model of Scl-GVHD was used to address the therapeutic effect of mesenchymal stem cells (MSCs) on the development of CGVHD. The clinical and pathological severity of cutaneous Scl-GVHD was significantly attenuated in MSC-treated recipients relative to Scl-GVHD controls. After MSC treatment, skin collagen production was significantly reduced with consistent downregulation of TGF-β expression...
May 16, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28508945/clinical-efficacy-of-percutaneous-cryoablation-combined-with-allogenic-nk-cell-immunotherapy-for-advanced-non-small-cell-lung-cancer
#11
Mao Lin, Shu-Zhen Liang, Xiao-Hua Wang, Ying-Qing Liang, Ming-Jie Zhang, Li-Zhi Niu, Ji-Bing Chen, Hai-Bo Li, Ke-Cheng Xu
In this study, the safety and clinical efficacy of cryosurgery combined with allogenic NK cell immunotherapy for the treatment of advanced non-small cell lung cancer (NSCLC) were evaluated. From July 2016 to March 2017, we enrolled 60 patients who met the enrollment criteria and divided them into two groups: (1) the simple cryoablation group (n = 30) and (2) the cryoablation combined with allogenic NK cell group (n = 30). The changes in immune function, quality of life, and clinical response were evaluated...
May 16, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28444932/the-association-of-lamb1-polymorphism-and-expression-changes-with-the-risk-of-coal-workers-pneumoconiosis
#12
Xiaoming Ji, Baiqun Wu, Ruhui Han, Jingjin Yang, Esther Ayaaba, Ting Wang, Lei Han, Chunhui Ni
BACKGROUND: Pneumoconiosis is a serious occupational disease worldwide, which is characterized by irreversible and diffuse lung fibrotic lesions. Laminin beta 1(LAMB1) is widely expressed in tissues and it is crucial for both lung morphogenesis and physiological function. In this study, we explored the association between LAMB1 rs4320486 and risk of pneumoconiosis in a Chinese population, as well as its mechanisms. METHODS: In this case-control study, 600 CWP patients and 605 controls were genotyped for the LAMB1 rs4320486 polymorphism using TaqMan methods...
April 26, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28431555/reduction-of-pulmonary-toxicity-of-metal-oxide-nanoparticles-by-phosphonate-based-surface-passivation
#13
Xiaoming Cai, Anson Lee, Zhaoxia Ji, Cynthia Huang, Chong Hyun Chang, Xiang Wang, Yu-Pei Liao, Tian Xia, Ruibin Li
BACKGROUND: The wide application of engineered nanoparticles has induced increasing exposure to humans and environment, which led to substantial concerns on their biosafety. Some metal oxides (MOx) have shown severe toxicity in cells and animals, thus safe designs of MOx with reduced hazard potential are desired. Currently, there is a lack of a simple yet effective safe design approach for the toxic MOx. In this study, we determined the key physicochemical properties of MOx that lead to cytotoxicity and explored a safe design approach for toxic MOx by modifying their hazard properties...
April 21, 2017: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/28430622/serious-adverse-events-of-cell-therapy-for-respiratory-diseases-a-systematic-review-and-meta-analysis
#14
REVIEW
Runzhen Zhao, Zhenlei Su, Jing Wu, Hong-Long Ji
BACKGROUND: Cell therapy holds the most promising for acute and chronic deleterious respiratory diseases. However, the safety and tolerance for lung disorders are controversy. METHODS: We undertook a systematic review and meta-analyses of all 23 clinical studies of cell therapy. The outcomes were odds ratio (OR), risk difference (RD), Peto OR, relative risk, and mean difference of serious adverse events. RESULTS: 342 systemic infusions and 57 bronchial instillations (204 recipients) of cells were analyzed for acute respiratory distress syndrome (ARDS), bronchopulmonary dysplasia, pulmonary arterial hypertension, silicosis, sarcoidosis, extensively drug-resistant tuberculosis, chronic obstructive pulmonary diseases (COPD), and idiopathic pulmonary fibrosis...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28428038/non-invasive-tracking-of-hydrogel-degradation-using-upconversion-nanoparticles
#15
Yuqing Dong, Guorui Jin, Changchun Ji, Rongyan He, Min Lin, Xin Zhao, Ang Li, Tian Jian Lu, Feng Xu
Tracking the distribution and degradation of hydrogels in vivo is important for various applications including tissue engineering and drug delivery. Among various imaging modalities, fluorescence imaging has attracted intensive attention due to their high sensitivity, low cost and easy operation. Particularly, upconversion nanoparticles (UCNPs) that emit visible lights upon near-infrared (NIR) light excitation as tracking probes are promising in deciphering the fate of hydrogels after transplantation. Herein, we reported a facile and non-invasive in vivo hydrogel tracking method using UCNPs, where the degradation of hydrogels was determined using the decrease in fluorescence intensity from the UCNPs encapsulated in the hydrogels...
April 17, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28416959/predictive-factors-for-switched-egfr-tki-retreatment-in-patients-with-egfr-mutant-non-small-cell-lung-cancer
#16
Byoung Soo Kwon, Ji Hyun Park, Woo Sung Kim, Joon Seon Song, Chang-Min Choi, Jin Kyung Rho, Jae Cheol Lee
BACKGROUND: Third-generation tyrosine kinase inhibitors of the epidermal growth factor receptor (EGFR-TKIs) have proved efficacious in treating non-small cell lung cancer (NSCLC) patients with acquired resistance resulting from the T790M mutation. However, since almost 50% patients with the acquired resistance do not harbor the T790M mutation, retreatment with first- or second-generation EGFR-TKIs may be a more viable therapeutic option. Here, we identified positive response predictors to retreatment, in patients who switched to a different EGFR-TKI, following initial treatment failure...
April 2017: Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28416951/spirometry-and-bronchodilator-test
#17
REVIEW
Yun Su Sim, Ji-Hyun Lee, Won-Yeon Lee, Dong In Suh, Yeon-Mok Oh, Jong-Seo Yoon, Jin Hwa Lee, Jae Hwa Cho, Cheol Seok Kwon, Jung Hyun Chang
Spirometry is a physiological test for assessing the functional aspect of the lungs using an objective indicator to measure the maximum amount of air that a patient can inhale and exhale. Acceptable spirometry testing needs to be conducted three times by an acceptable and reproducible method for determining forced vital capacity (FVC). Until the results of three tests meet the criteria of reproducibility, the test should be repeated up to eight times. Interpretation of spirometry should be clear, concise, and informative...
April 2017: Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28412678/clinical-study-of-lung-supplementing-and-stasis-dissolving-decoction-bufei-huayu-tang-combined-with-gefitnib-for-treatment-of-advanced-non-small-cell-lung-cancer
#18
Feng Yuan, Chen Si-Ning, Zhou Ji-Hong, Jiang Ying, Zhou Ying, Xie You-Ke, Li Jian-Zhe
To investigate the clinical efficacy and drug safety of Lung-Supplementing and Stasis-Dissolving Decoction (Bufei Huayu Tang) combined with gefitnib for treatment of advanced non-small cell lung cancer (NSCLC). Then, 80 patients with advanced NSCLC hospitalized in Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine were included, and were double-blindly randomized into 4 groups: control group (gefitinib alone 250mg, once daily), low-dose group (100mL/day), middle-dose group (150mL/day) and high-dose group (200mL/day) treated with different doses of Bufei Huayu Tang besides gefitinib...
November 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28402952/caveolin-1-scaffolding-domain-peptides-enhance-anti-inflammatory-effect-of-heme-oxygenase-1-through-interrupting-its-interact-with-caveolin-1
#19
Ping Weng, Xiao-Tong Zhang, Qiong Sheng, Wen-Fang Tian, Jun-Liang Chen, Jia-Jia Yuan, Ji-Ru Zhang, Qing-Feng Pang
Caveolin-1(Cav-1) scaffolding domain (CSD) peptides compete with the plasma membrane Cav-1, inhibit the interaction of the proteins and Cav-1, and re-store the functions of Cav-1 binding proteins. Heme oxygenase-1 (HO-1) binds to Cav-1 and its enzymatic activity was inhibited. In this study, we investigated the effect of CSD peptides on interaction between HO-1 and Cav-1, and on the HO-1 activity in vitro and in vivo. Our data showed that CSD peptides decreased the compartmentalization of HO-1 and Cav-1, and increased the HO-1 activity both in LPS-treated alveolar macrophages and in mice...
June 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28386380/wheatgrass-extract-inhibits-hypoxia-inducible-factor-1-mediated-epithelial-mesenchymal-transition-in-a549-cells
#20
Nam Yong Do, Hyun-Jae Shin, Ji-Eun Lee
BACKGROUND/OBJECTIVES: Epithelial-mesenchymal transition (EMT) is involved in not only cancer development and metastasis but also non-cancerous conditions. Hypoxia is one of the proposed critical factors contributing to formation of chronic rhinosinusitis or nasal polyposis. Wheatgrass (Triticum aestivum) has antioxidant, anti-aging, and anti-inflammatory effects. In this study, we analyzed whether wheatgrass has an inhibitory effect on the EMT process in airway epithelial cells. MATERIALS/METHODS: A549 human lung adenocarcinoma cells were incubated in hypoxic conditions (CO2 5%/O2 1%) for 24 h in the presence of different concentrations of wheatgrass extract (50, 75, 100, and 150 µg/mL) and changes in expression of epithelial or mesenchymal markers were evaluated by immunoblotting and immunofluorescence...
April 2017: Nutrition Research and Practice
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