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Chang Lung Ji

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28386380/wheatgrass-extract-inhibits-hypoxia-inducible-factor-1-mediated-epithelial-mesenchymal-transition-in-a549-cells
#11
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
https://www.readbyqxmd.com/read/28379062/inhibition-of-microrna-21-by-an-antagomir-ameliorates-allergic-inflammation-in-a-mouse-model-of-asthma
#12
Hwa Young Lee, Hea Yon Lee, Joon Young Choi, Jung Hur, In Kyoung Kim, Young Kyoon Kim, Ji Young Kang, Sook Young Lee
AIM OF THE STUDY: MicroRNA-21 (miR-21) is up-regulated during allergic airway inflammation, reflecting a Th2 immune response. We investigated the effects of an miR-21 antagomir and its mechanism of action in a mouse model of acute bronchial asthma. MATERIALS AND METHODS: BALB/c mice were sensitized and challenged with ovalbumin (OVA). The anti-miR-21 antagomir was administered by intranasal inhalation from the day of sensitization. Changes in cell counts, Th2 cytokine levels in bronchoalveolar (BAL) fluid, and airway hyper-responsiveness (AHR) were examined...
April 5, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28378546/clinical-and-epidemiologic-characteristics-of-spreaders-of-middle-east-respiratory-syndrome-coronavirus-during-the-2015-outbreak-in-korea
#13
Chang Kyung Kang, Kyoung Ho Song, Pyoeng Gyun Choe, Wan Beom Park, Ji Hwan Bang, Eu Suk Kim, Sang Won Park, Hong Bin Kim, Nam Joong Kim, Sung Il Cho, Jong Koo Lee, Myoung Don Oh
Nosocomial transmission is an important characteristic of Middle East Respiratory Syndrome Coronavirus (MERS-CoV) infection. Risk factors for transmission of MERS-CoV in healthcare settings are not well defined. During the Korean outbreak in 2015, 186 patients had laboratory-confirmed MERS-CoV infection. Those suspected as a source of viral transmission were categorized into the spreader groups (super-spreader [n = 5] and usual-spreader [n = 10]) and compared to the non-spreader group (n = 171). Body temperature of ≥ 38...
May 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28346522/decline-in-lung-function-rather-than-baseline-lung-function-is-associated-with-the-development-of-metabolic-syndrome-a-six-year-longitudinal-study
#14
Soo Kyoung Kim, Ji Cheol Bae, Jong-Ha Baek, Jae Hwan Jee, Kyu Yeon Hur, Moon-Kyu Lee, Jae Hyeon Kim
This study was conducted to investigate whether baseline lung function or change in lung function is associated with the development of metabolic syndrome (MS) in Koreans. We analyzed clinical and laboratory data from 3,768 Koreans aged 40-60 years who underwent medical check-ups over a six-year period between 2006 and 2012. We calculated the percent change in forced vital capacity (FVC) and forced expiratory volume in 1 s (FEV1) over the study period. We tested for an association between baseline lung function or lung function change during the follow-up period and the development of MS...
2017: PloS One
https://www.readbyqxmd.com/read/28337868/inflammation-in-lung-after-acute-myocardial-infarction-is-induced-by-dendritic-cell-mediated-immune-response
#15
L J Hu, W Y Ren, Q J Shen, H Y Ji, L Zhu
The present study was performed to describe the changes of lung tissues in mice with acute myocardial infarction (AMI) and also explain the cell mechanism involved in inflammation in lung. AMI was established by left coronary ligation in mice. Then mice were divided into three groups: control group, MW1 group (sampling after surgery for one week) and MW2 group (sampling after surgery for two weeks). Afterwards, measurement of lung weight and lung histology, cell sorting in bronchoalveolar lavage (BAL) fluid and detection of several adhesive molecules, inflammatory molecules as well as enzyme associated with inflammation were performed...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28320428/a-topology-based-method-to-mitigate-the-dosimetric-uncertainty-caused-by-the-positional-variation-of-the-boost-volume-in-breast-conservative-radiotherapy
#16
Peng-Yi Lee, Chih-Yuan Lin, Shang-Wen Chen, Chun-Ru Chien, Chun-Nan Chu, Hsiu-Ting Hsu, Ji-An Liang, Ying-Jun Lin, An-Cheng Shiau
BACKGROUND: To improve local control rate in patients with breast cancer receiving adjuvant radiotherapy after breast conservative surgery, additional boost dose to the tumor bed could be delivered simultaneously via the simultaneous integrated boost (SIB) modulated technique. However, the position of tumor bed kept changing during the treatment course as the treatment position was aligned to bony anatomy. This study aimed to analyze the positional uncertainties between bony anatomy and tumor bed, and a topology-based approach was derived to stratify patients with high variation in tumor bed localization...
March 20, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28319809/abt-737-synergizes-with-cisplatin-bypassing-aberration-of-apoptotic-pathway-in-non-small-cell-lung-cancer
#17
Eun Young Kim, Ji Ye Jung, Arum Kim, Yoon Soo Chang, Se Kyu Kim
A subset of non-small cell lung cancer (NSCLC), which does not have a druggable driver mutation, is treated with platinum-based cytotoxic chemotherapy, but it develops resistance triggered by DNA damage responses. Here, we investigated the effect of activation of STAT3 by cisplatin on anti-apoptotic proteins and the effectiveness of a co-treatment with cisplatin and a BH3 mimetic, ABT-737. We analyzed the relationship between cisplatin and STAT3 pathway and effect of ABT-737, when combined with cisplatin in NSCLC cells and K-ras mutant mouse models...
April 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28301223/antitumor-effect-of-nanoparticle-131-i-labeled-arginine-glycine-aspartate-bovine-serum-albumin-polycaprolactone-in-lung-cancer
#18
Hui Ming, Lei Fang, Jingmei Gao, Chengxia Li, Yanhui Ji, Yiming Shen, Yiming Hu, Ning Li, Jin Chang, Wei Li, Jian Tan
OBJECTIVE: The aim of the present study is to investigate the biologic effects of internal irradiation and the therapeutic effectiveness of (131)I-labeled arginine-glycine-aspartate (RGD)-bovine serum albumin (BSA)-polycaprolactone (PCL) ((131)I-RGD-BSA-PCL) in murine lung cancer models. MATERIALS AND METHODS: The target binding and cellular uptake of NCI-H460 lung cancer cells overexpressing integrin αvβ3 were observed by confocal microscopy. Flow cytometry was used to assay apoptosis...
May 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28299842/electroacupuncture-promotes-cns-dependent-release-of-mesenchymal-stem-cells
#19
Tatiana E Salazar, Matthew R Richardson, Eleni Beli, Matthew S Ripsch, John George, Youngsook Kim, Yaqian Duan, Leni Moldovan, Yuanqing Yan, Ashay Bhatwadekar, Vaishnavi Jadhav, Jared A Smith, Susan McGorray, Alicia L Bertone, Dmitri O Traktuev, Keith L March, Luis M Colon-Perez, Keith Avin, Emily Sims, Julie A Mund, Jamie Case, Shaolin Deng, Min Su Kim, Bruce McDavitt, Michael E Boulton, Jeffrey Thinschmidt, Sergio Li Calzi, Stephanie D Fitz, Robyn K Fuchs, Stuart J Warden, Todd McKinley, Anantha Shekhar, Marcelo Febo, Phillip L Johnson, Lung Ji Chang, Zhanguo Gao, Mikhail G Kolonin, Song Lai, Jinfeng Ma, Xinzhong Dong, Fletcher A White, Huisheng Xie, Mervin C Yoder, Maria B Grant
Electro-acupuncture (EA) performed in rats and humans using front-limb acupuncture sites, LI-4 and LI-11, and Du-14 and Du-20 increased functional connectivity between the anterior hypothalamus and the amygdala and mobilized mesenchymal stem cells (MSC) into the systemic circulation. In human subjects, the source of the MSC was found to be primarily adipose tissue whereas in rodents the tissue sources were considered more heterogeneous. Pharmacological disinhibition of rat hypothalamus enhanced sympathetic nervous system (SNS) activation and similarly resulted in a release of MSC into the circulation...
March 16, 2017: Stem Cells
https://www.readbyqxmd.com/read/28294434/immunologic-regulatory-effects-of-human-umbilical-cord-blood-derived-mesenchymal-stem-cells-in-a-murine-ovalbumin-asthma-model
#20
Sung-Yoon Kang, Da-Eun Park, Woo-Jung Song, Bo-Ram Bae, Ji-Won Lee, Kyoung-Hee Sohn, Hyun-Seung Lee, Hye-Ryun Kang, Heung-Woo Park, Yoon-Seok Chang, Soo-Jin Choi, Won-Il Oh, Kyung-Up Min, Sang-Heon Cho
BACKGROUND: Mesenchymal stem cells (MSCs) have multiple immunomodulatory properties and hold therapeutic potential for inflammatory diseases. However, the therapeutic and immunologic effects of human umbilical cord blood-derived MSCs (huMSCs) remain largely unexamined for asthma. OBJECTIVE: This study was to investigate the immunomodulatory properties of huMSCs in an ovalbumin (OVA)-induced murine asthma model. METHODS: Mice were injected intraperitoneally with OVA and an aluminum hydroxide adjuvant...
March 14, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
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