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https://www.readbyqxmd.com/read/29227732/%C3%AE-8-oxoguanine-dna-glycosylase-overexpression-reduces-oxidative-stress-induced-mitochondrial-dysfunction-and-apoptosis-through-the-jnk-signaling-pathway-in-human-bronchial-epithelial-cells
#1
Ziying Lin, Wenya Xu, Chunyan Li, Yahong Wang, Lawei Yang, Bao'an Zou, Shenglan Gao, Weimin Yao, Zeqing Song, Gang Liu
8-Oxoguanine DNA glycosylase (OGG1) is responsible for repairing 8-oxo-7,8-dihydroguanine (8-oxoG). Our previous study demonstrated that α-OGG1 protects cells from oxidative damage-induced apoptosis and mitochondrial dysfunction in human lung cancer cells. However, the function of β-OGG1 remains to be elucidated. In this study, we demonstrated that overexpressed β-OGG1 has the same role as α-OGG1 in protecting human bronchial epithelial cells from apoptosis and mitochondrial dysfunction. Furthermore, flow cytometry, confocal microscopy, and western blotting showed that the overexpression of β-OGG1 could block oxidant-induced apoptosis in human bronchial epithelial cells...
December 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/29227313/intraoperative-lung-protective-ventilation
#2
Jayashree K Raikhelkar, James M Blum
No abstract text is available yet for this article.
2018: International Anesthesiology Clinics
https://www.readbyqxmd.com/read/29226963/effect-of-cdk1-shrna-on-proliferation-migration-cell-cycle-and-apoptosis-in-non-small-cell-lung-cancer
#3
Shenglan Pu, Yan Zhao, Guoqi Zhou, Honglan Zhu, Ling Gong, Wei Zhang, Guichuan Huang, Daoxin Wang, Daishun Liu
OBJECTIVE: In this study, we aimed to investigate the effect of CDK1 shRNA on proliferation, migration, cell cycle and apoptosis in non-small cell lung cancer. METHODS: Protein expressions of CDK1 in HCC827 cells were measured by western blot. CCK-8 and clone formation assay was used to detect the growth and proliferation of cells. Wound healing assay was carried out to determine the migration ability of HCC cells in shRNA group, followed by flow cytometry, detecting the variation of HCC827 cell cycle and apoptosis...
December 11, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29226955/stem-cells-rescue-cardiomyopathy-induced-by-p-gingivalis-lps-via-mir-181b
#4
Tung-Sheng Chen, Sarnai Battsengel, Chia-Hua Kuo, Lung-Fa Pan, Yueh-Min Lin, Chun-Hsu Yao, Yueh-Sheng Chen, Feng-Huei Lin, Wei-Wen Kuo, Chih-Yang Huang
Systemic inflammation induced by bacterial infection is one of several causative agents for cardiovascular disorders in patients with periodontal disease. Experimental results indicate that miRNAs play important roles in systemic inflammation induced by endotoxins. Further evidence states that stem cell based therapy shows potential in the treatment of inflammatory responses induced by sepsis. This study investigates if stem cells show protective effects on cardiomyocyte damage induced by porphyromonas gingivalis-LPS (Pg-LPS) through regulating miRNAs...
December 11, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29226569/children-born-by-women-with-rheumatoid-arthritis-have-increased-susceptibility-for-selected-chronic-diseases-a-nationwide-cohort-study
#5
Line R Jølving, Jan Nielsen, Ulrik S Kesmodel, Rasmus G Nielsen, Signe S Beck-Nielsen, Bente M Nørgård
OBJECTIVE: Fetal exposure to maternal rheumatoid arthritis (RA) might impact the long-term risk of disease in the offspring. We examined a possible association between maternal RA and 15 selected groups of chronic diseases in the offspring. METHODS: This nationwide cohort study was based on the Danish health registries and included data on all children born alive in Denmark from January 1st 1989 to December 31st 2013. The cohort comprised 2106 children born by women with RA (exposed), and 1 378 539 children born by women without RA (unexposed)...
December 11, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/29226550/alpha-klotho-enrichment-in-induced-pluripotent-stem-cell-secretome-contributes-to-antioxidative-protection-in-acute-lung-injury
#6
Amiq Gazdhar, Priya Ravikumar, Johanne Pastor, Manfred Heller, Jianfeng Ye, Jianning Zhang, Orson W Moe, Thomas Geiser, Connie C W Hsia
Induced pluripotent stem cells (iPSCs) has been reported to alleviate organ injury, although the mechanisms of action remain unclear and administration of intact cells faces many limitations. We hypothesized that cell-free conditioned media (CM) containing the secretome of iPSCs possess antioxidative constituents that can alleviate pulmonary oxidant stress damage. We derived iPSCs from human dermal fibroblasts and harvested the CM. Addition of iPSC CM to cultured human alveolar type-1 epithelial cells mitigated hyperoxia-induced depletion of endogenous total antioxidant capacity (TAC) while tracheal instillation of iPSC CM into adult rat lungs enhanced hyperoxia-induced increase in TAC...
December 11, 2017: Stem Cells
https://www.readbyqxmd.com/read/29226507/age-is-the-only-predictor-of-small-decrease-in-lung-function-in-children-with-sickle-cell-anemia
#7
Shaina M Willen, Robyn Cohen, Mark Rodeghier, Fenella Kirkham, Susan S Redline, Carol Rosen, Jane Kirkby, Michael R DeBaun
The longitudinal pattern of lung function in children with sickle cell anemia (SCA) has shown a decrease in FEV1 % predicted, a risk factor for death in adults with SCA, but predictors for this decline are poorly characterized. In a prospective longitudinal multi-center cohort of children with SCA, we tested the hypotheses that: 1) FEV1 % predicted declines over time; and 2) SCA-specific characteristics and therapy predict this decline. At three clinical centers, children with SCA (HbSS or HbSβ0 thalassemia), unselected for respiratory disease, were enrolled in the Sleep and Asthma Cohort (SAC) study...
December 11, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/29226391/experience-with-leflunomide-as-treatment-and-as-secondary-prophylaxis-for-cytomegalovirus-infection-in-lung-transplant-recipients-a-case-series-and-review-of-the-literature
#8
Jose Tiago Silva, Virginia Pérez-González, Francisco López-Medrano, Rodrigo Alonso-Moralejo, Mario Fernández-Ruiz, Rafael San-Juan, Patricia Brañas, María Dolores Folgueira, José María Aguado, Alicia de Pablo-Gafas
Data concerning the use of leflunomide -a drug approved for rheumatoid arthritis with in vitro anti-cytomegalovirus (CMV) activity- in lung transplant (LT) recipients are scarce. We performed a single center retrospective study including LT recipients who received leflunomide for CMV infection or as secondary prophylaxis after viremia clearance. We also conducted a full systematic PubMed search until June 30, 2017. We identified 5 LT recipients in our center, plus 7 patients reported in the literature. All patients had previously received ganciclovir (GCV) and foscarnet, with drug-induced adverse effects described in 6 recipients (50%)...
December 11, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29226335/cancer-incidence-in-northern-thailand-results-from-six-population-based-cancer-registries-1993-2012
#9
Donsuk Pongnikorn, Karnchana Daoprasert, Narate Waisri, Mathieu Laversanne, Freddie Bray
Rapid changes in social and economic development have led to cancer becoming a major cause of national morbidity and mortality in Thailand. Cancer registries have been critical in documenting subnational cancer patterns and transitions in the country; with the establishment of six registries in northern Thailand, a comprehensive assessment of the scale and profile of cancer is now possible in the region. Cancers of the liver, lung, colorectum, breast and cervix were the major cancers 2008-12, although variations in the profiles of cancer were observed, with a very high incidence of liver cancer seen among males in Phrae, corresponding to one in 11 men developing the disease in a lifetime...
December 11, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29226313/model-based-assessments-of-cyp-mediated-drug-drug-interaction-risk-of-alectinib-physiologically-based-pharmacokinetic-modeling-supported-clinical-development
#10
Yumi Cleary, Michael Gertz, Peter N Morcos, Li Yu, Kuresh Youdim, Alex Phipps, Stephen Fowler, Neil Parrott
Alectinib is a selective anaplastic lymphoma kinase (ALK) inhibitor approved for the treatment of ALK-positive non-small cell lung cancer. Alectinib and its major active metabolite M4 exhibited drug-drug interaction (DDI) potential through cytochrome P450 (CYP) enzymes CYP3A4 and CYP2C8 in vitro. Clinical relevance of the DDI risk was investigated as part of a rapid development program to fulfil the breakthrough therapy designation. Therefore, a strategy with a combination of physiologically based pharmacokinetic (PBPK) modeling and limited clinical trials focused on generating informative data for modeling was taken to ensure extrapolation ability of DDI risk...
December 11, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29225169/inhibition-of-orai1-mediated-ca2-entry-limits-endothelial-cell-inflammation-by-suppressing-calcineurin-nfatc4-signaling-pathway
#11
Bei-Xin Yu, Jia-Ni Yuan, Fei-Ran Zhang, Ying-Ying Liu, Ting-Ting Zhang, Kai Li, Xiao-Fei Lv, Jia-Guo Zhou, Lin-Yan Huang, Jin-Yan Shang, Si-Jia Liang
Orai1-dependent Ca2+ entry plays an essential role in inflammatory response through regulating T cell and macrophage activation and neutrophil infiltration. However, whether Orai1 Ca2+ entry contributes to endothelial activation, one of the early steps of vascular inflammation, remains elusive. In the present study, we observed that knockdown of Orai1 reduced, whereas overexpression of Orai1 potentiated, TNFα-induced expression of adhesion molecules such as ICAM-1 and VCAM-1 in HUVECs, and subsequently blocked adhesion of monocyte to HUVECs...
December 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29222191/nfs1-expression-protects-lung-tumor-cells-from-ferroptosis
#12
(no author information available yet)
NFS1 activity is essential for maintenance of iron-sulfur cluster biosynthesis in response to oxidative stress.
December 8, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/29222111/rap1b-promotes-vegf-induced-endothelial-permeability-and-is-required-for-dynamic-regulation-of-endothelial-barrier
#13
Sribalaji Lakshmikanthan, Magdalena Sobczak, Sergio Li Calzi, Lynn Shaw, Maria B Grant, Magdalena Chrzanowska-Wodnicka
Vascular Endothelial Growth Factor (VEGF), a key angiogenic and permeability factor, plays an important role in new blood vessel formation. However, abnormal VEGF-induced VEGFR2 signaling leads to hyper-permeability. We demonstrated that Rap1, best known for promoting cell adhesion and vessel stability, is a critical regulator of VEGFR2-mediated angiogenic and shear-stress EC responses. To determine Rap1's role in endothelial barrier dynamics, we examined vascular permeability in EC-specific Rap1A- and Rap1B- knockout mice, cell-cell junction remodeling and EC monolayer resistivity in Rap1-deficient ECs under basal, inflammatory or elevated VEGF conditions...
December 8, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/29221302/the-society-for-translational-medicine-clinical-practice-guidelines-for-mechanical-ventilation-management-for-patients-undergoing-lobectomy
#14
REVIEW
Shugeng Gao, Zhongheng Zhang, Alessandro Brunelli, Chang Chen, Chun Chen, Gang Chen, Haiquan Chen, Jin-Shing Chen, Stephen Cassivi, Ying Chai, John B Downs, Wentao Fang, Xiangning Fu, Martínez I Garutti, Jianxing He, Jie He, Jian Hu, Yunchao Huang, Gening Jiang, Hongjing Jiang, Zhongmin Jiang, Danqing Li, Gaofeng Li, Hui Li, Qiang Li, Xiaofei Li, Yin Li, Zhijun Li, Chia-Chuan Liu, Deruo Liu, Lunxu Liu, Yongyi Liu, Haitao Ma, Weimin Mao, Yousheng Mao, Juwei Mou, Calvin Sze Hang Ng, René H Petersen, Guibin Qiao, Gaetano Rocco, Erico Ruffini, Lijie Tan, Qunyou Tan, Tang Tong, Haidong Wang, Qun Wang, Ruwen Wang, Shumin Wang, Deyao Xie, Qi Xue, Tao Xue, Lin Xu, Shidong Xu, Songtao Xu, Tiansheng Yan, Fenglei Yu, Zhentao Yu, Chunfang Zhang, Lanjun Zhang, Tao Zhang, Xun Zhang, Xiaojing Zhao, Xuewei Zhao, Xiuyi Zhi, Qinghua Zhou
Patients undergoing lobectomy are at significantly increased risk of lung injury. One-lung ventilation is the most commonly used technique to maintain ventilation and oxygenation during the operation. It is a challenge to choose an appropriate mechanical ventilation strategy to minimize the lung injury and other adverse clinical outcomes. In order to understand the available evidence, a systematic review was conducted including the following topics: (I) protective ventilation (PV); (II) mode of mechanical ventilation [e...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221238/protecting-lungs-during-spontaneous-breathing-what-can-we-do
#15
EDITORIAL
Hong-Liang Li, Lu Chen, Laurent Brochard
No abstract text is available yet for this article.
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29219208/lncrna-h19-promotes-epithelial-mesenchymal-transition-emt-by-targeting-mir-484-in-human-lung-cancer-cells
#16
Qianqian Zhang, Xiaoliang Li, Xiao Li, Xiaosu Li, Zhuochang Chen
BACKGROUND: Recently, the long non-coding RNA (lncRNA) H19 has been identified as an oncogenic gene in multiple cancer types. However, the molecular basis for this observation has not been characterized in lung cancer, especially during epithelial mesenchymal transition (EMT) progression. METHODS: Cell viability, migration, invasion, and apoptosis were measured using trypan blue exclusion assay, Transwell migration/invasion assay, andflow cytometry, respectively...
December 8, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29218825/in-vivo-evidence-supporting-a-metastasis-suppressor-role-for-stard13-dlc2-in-erbb2-neu-oncogene-induced-mouse-mammary-tumours
#17
Pratima Basak, Heather Leslie, Rachelle L Dillon, William J Muller, Afshin Raouf, Michael Ra Mowat
Overexpression of dominant oncogenes and the loss of tumor suppressor genes are basic genetic events in the acquisition of the malignant phenotype. The erb-b2 receptor tyrosine kinase 2 (ERBB-2) proto-oncogene is overexpressed in 20-30% of human breast cancers. The StAR related lipid transfer domain containing 13 gene (STARD13), also known as Deleted in Liver Cancer-2 (DLC-2), maps to chromosome band 13q12.3 and is frequently downregulated in human cancers, including 72% of breast cancers. It encodes a RhoGAP protein with sterile α motif (SAM) and StAR-related lipid transfer (START) domains...
December 8, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/29218374/the-effect-of-vitamin-u-on-the-lung-tissue-of-pentyleneterazole-induced-seizures-in-rats
#18
Sehkar Oktay, Gamze Bayrak, Burcin Alev, Hazal Ipekci, Unsal Veli Ustundag, Ismet Burcu Turkyilmaz, Rabia Pisiriciler, Ebru Emekli-Alturfan, Tugba Tunali-Akbay, Refiye Yanardag, Aysen Yarat
The aim of this study is to investigate the therapeutic effects of vitamin U (Vit U) on lung tissue of pentyleneterazole (PTZ)-induced seizures in rats. Sprague Dawley male rats were randomly divided into four groups as follows: control (0.9% NaCl given, intraperitoneally); Vit U (50 mg/kg/day, for 7 days by gavage); PTZ; (60 mg/kg one dose, intraperitoneally); and PTZ + Vit U (in same dose and time). At the end of the experiment, lung tissues were taken and examined biochemically and cytologically. Lipid peroxidation (LPO), glutathione (GSH), sialic acid (SA), and nitric oxide (NO) levels, and superoxide dismutase (SOD) and catalase (CAT) activities were determined in lung homogenates...
December 7, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/29218325/protection-of-meconium-induced-lung-epithelial-injury-by-protease-inhibitors
#19
C Ota, I Gopallawa, V Ivanov, I H Gewolb, B D Uhal
Earlier work form this laboratory showed that exposure of alveolar epithelial cells (AECs) to meconium caused significant cell detachment and that meconium-induced detachment of cells was prevented by a protease inhibitor cocktail. Therefore, it was hypothesized that protease inhibitors might protect AEC monolayers against meconium-induced collapse of epithelial barrier function both in vitro and in vivo. To investigate this theory in vitro, albumin flux was measured across cultured, confluent monolayers of human type II derived cell line A549 on microporous filter inserts...
2017: Journal of Lung, Pulmonary & Respiratory Research
https://www.readbyqxmd.com/read/29218106/extracorporeal-shock-wave-therapy-effectively-protects-brain-against-chronic-cerebral-hypo-perfusion-induced-neuropathological-changes
#20
Han-Tan Chai, Kuan-Hung Chen, Christopher Glenn Wallace, Chih-Hung Chen, Pei-Hsun Sung, Yung-Lung Chen, Chun-Man Yuen, Pei-Lin Shao, Cheuk-Kwan Sun, Hsueh-Wen Chang, Ching-Jen Wang, Mel S Lee, Hon-Kan Yip, Sheung-Fat Ko
This study tested the hypothesis that extracorporeal shock wave (ECSW) therapy could protect mouse brain from chronic cerebral hypoperfusion (CHP)-induced neuropathological changes in a bilateral carotid arterial stenosis (CAS) model. Adult-male C57BL/6 (B6) mice (n=36) were randomized into group 1 (sham-control), group 2 (CHP) and group 3 [CHP+ECSW (100 impulses at 0.15 mJ/mm2) on day 5, 10 and 15 after CHP induction]. By day 60 after CHP induction, the white matter lesion, protein expressions of inflammatory (TNF-α/NF-κB/iNOS), oxidative-stress (NOX-1/NOX-2/NOX-4/nitrotyrosine), angiogenesis (eNOS/CD31), apoptotic (Bax/caspase-3/PARP), fibrotic (Smad3/TGF-ß) and mitochondrial-damaged (cytosolic cytochrome-C) biomarkers were significantly higher in group 2 than in groups 1 and 3, and significantly higher in group 3 than in group 1, whereas the protein expressions of anti-apoptotic (Bcl-2), anti-fibrotic (BMP-2/Smad1/5), and mitochondrial-integrity (mitochondrial cytochrome-C) biomarkers showed an opposite pattern to inflammation among the three groups (all P<0...
2017: American Journal of Translational Research
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