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https://www.readbyqxmd.com/read/29908494/protective-effect-of-exogenous-hydrogen-sulfide-on-pulmonary-artery-endothelial-cells-by-suppressing-endoplasmic-reticulum-stress-in-a-rat-model-of-chronic-obstructive-pulmonary-disease
#1
Hai-Bo Ding, Kai-Xiong Liu, Jie-Feng Huang, Da-Wen Wu, Jun-Ying Chen, Qing-Shi Chen
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a multicomponent disorder characterized by inflammation, representing a significant leading cause of chronic morbidity and mortality. Reports have implicated hydrogen sulfide (H2 S) in both the pathology and treatment of COPD. The present study aimed to explore the effects involved with exogenous H2 S on endoplasmic reticulum stress (ERS) and pulmonary artery endothelial cells (PAECs) in a rat model of COPD. METHODS: Rat models of COPD were successfully established by means of passive smoke exposure and intratracheal injection with lipopolysaccharide (LPS)...
June 13, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29906493/the-tamoxifen-derivative-ridaifen-b-is-a-high-affinity-selective-cb-2-receptor-inverse-agonist-exhibiting-anti-inflammatory-and-anti-osteoclastogenic-effects
#2
Lirit N Franks, Benjamin M Ford, Toshifumi Fujiwara, Haibo Zhao, Paul L Prather
Selective estrogen receptor modulators (SERMs) target estrogen receptors (ERs) to treat breast cancer and osteoporosis. Several SERMs exhibit anti-cancer activity not related to ERs. To discover novel anti-cancer drugs acting via ER-independent mechanisms, derivatives of the SERM tamoxifen, known as the "ridaifen" compounds, have been developed that exhibit reduced or no ER affinity, while maintaining cytotoxicity. Tamoxifen and other SERMs bind to cannabinoid receptors with moderate affinity. Therefore, ER-independent effects of SERMs might be mediated via cannabinoid receptors...
June 12, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29905752/gga-let-7f-3p-promotes-apoptosis-in-selenium-deficiency-induced-skeletal-muscle-by-targeting-selenoprotein-k
#3
Rui-Feng Fan, Chang-Yu Cao, Meng-Hao Chen, Qun-Xiang Shi, Shi-Wen Xu
Selenoprotein K (SELENOK) is primarily observed in the endoplasmic reticulum, and serves to maintain the normal physiological functions of skeletal muscle. Skeletal muscle development and regeneration are associated with significant changes in the expression of specific microRNAs (miRNAs). Downregulated SELENOK expression is observed in chicken muscles deficient of Se. However, the mechanisms of miRNA regulation of SELENOK expression remain elusive. Here, deep sequencing was used to detect the miRNA profiles of muscle in Se deficient (-Se group) and normal (C group) chickens...
June 15, 2018: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/29903828/a-harmonised-european-training-syllabus-for-thoracic-surgery-report-from-the-ests-ers-task-force-group
#4
EDITORIAL
Gilbert Massard, Nathalie Tabin, Sharon Mitchell, Hasan Batirel, Alessandro Brunelli, Stefano Elia, Anna Frick, Martin Huertgen, Antoon Lerut, Laureano Molins, Kostas Papagiannopoulos, Dragan Subotic, Paul van Schil, Gonzalo Varela, Dirk van Raemdonck
No abstract text is available yet for this article.
June 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29894845/protein-tyrosine-phosphatase-1b-regulates-endothelial-endoplasmic-reticulum-stress-role-in-endothelial-dysfunction
#5
Pierre-Alain Thiebaut, Eugénie Delile, David Coquerel, Jean-Michel Brunel, Sylvanie Renet, Fabienne Tamion, Vincent Richard
Protein tyrosine phosphatase 1B (PTP1B) impairs nitric oxide (NO) production and induces endothelial dysfunction in various diseases, including diabetes, septic shock and heart failure. In non-cardiovascular tissues, PTP1B modulates endoplasmic reticulum stress (ERS) however this role has never been assessed in endothelial cells. We evaluated the link between PTP1B, ERS and endothelial dysfunction in mice. Induction of ERS (Tunicamycin) in vivo in mice or ex vivo in mouse arteries led to severe arterial endothelial dysfunction (i...
June 9, 2018: Vascular Pharmacology
https://www.readbyqxmd.com/read/29894793/prevalence-of-patients-eligible-for-anti-il-5-treatment-in-a-cohort-of-adult-onset-asthma
#6
Pinja Ilmarinen, Leena E Tuomisto, Onni Niemelä, Hannu Kankaanranta
BACKGROUND: Antibodies against IL-5 pathway have been developed for treatment of late-onset eosinophilic steroid-resistant asthma. However, the prevalence of severe asthma and the proportion of patients who could benefit from such treatment among general population of asthmatics remains unknown. OBJECTIVE: To evaluate the prevalence and characteristics of patients eligible to anti-IL-5 treatment and severe asthma in an unselected cohort of adult-onset asthma. METHODS: Seinäjoki Adult Asthma Study (SAAS) is a 12-year follow-up study of patients with new-onset adult asthma (n=203)...
June 9, 2018: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29894643/ameliorative-effect-of-sevoflurane-on-endoplasmic-reticulum-stress-mediates-cardioprotection-against-ischemic-reperfusion-injury
#7
Ai-Jie Liu, Chun-Xia Pang, Guo-Qiang Liu, Shi-Duan Wang, Chun-Qin Chu, Lin-Zhang Li, Yan Dong, De-Zhang Zhu
We aimed to investigate whether the cardioprotection of sevoflurane against ischemia/reperfusion (IR) injury is via inhibiting endoplasmic reticulum stress (ERS). The rat in vivo model of myocardial IR injury was induced by ligation of the left anterior descending (LAD) coronary artery. Sevoflurane significantly ameliorated the reduced cardiac function, increased infarct size and elevated troponin I level and lactate dehydrogenase (LDH) activity in plasma induced by IR injury. Sevoflurane suppressed the I/R-induced myocardial apoptosis...
June 12, 2018: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29893407/long-noncoding-ribonucleic-acid-nkila-induces-the-endoplasmic-reticulum-stress-autophagy-pathway-and-inhibits-the-nuclear-factor-k-gene-binding-pathway-in-rats-after-intracerebral-hemorrhage
#8
Jiaoying Jia, Mingming Zhang, Qi Li, Qian Zhou, Yugang Jiang
Long noncoding RNAs (lncRNAs) have emerged as an important class of molecules that have been associated with brain function and neurological disease, but the expression profiles of lncRNAs after intracerebral hemorrhage (ICH) remain to be elucidated. In this study, we determined the expression pattern of nuclear factor-k-gene binding (NF-kB) interacting lncRNA (NKILA) after ICH and examined its respective effects on the endoplasmic reticulum stress (ERS)/autophagy pathway, hippocampal neuron loss, and the NF-kB pathway after type VII collagenase-induced ICH in rats...
June 12, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29891461/-interaction-between-glycogen-synthase-kinase-3%C3%AE-and-endoplasmic-reticulum-stress-is-involved-in-high-glucose-induced-injury-in-human-umbilical-vein-endothelial-cells
#9
Wen-Ming Xu, Jian-Cong Lin, Mei-Ji Chen, Chang-Ran Zhang, Yan-Bing Li
OBJECTIVE: To explore the role of the interaction between glycogen synthase kinase-3β (GSK-3β) and endoplasmic reticulum stress (ERS) in the high glucose (HG)-induced injury in human umbilical vein endothelial cells (HUVECs). METHODS: HUVECs treated with 40 mmol/L glucose for 24 h were examined for expression levels of GSK-3β, GRP78, CHOP and cleaved caspase-3 protein using Western blotting. The cell viability was examined using CCK-8 assay and cell apoptosis was detected with Hoechst 33258 nuclear staining and photofluorography...
May 20, 2018: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/29891454/-role-of-endoplasmic-reticulum-stress-induced-apoptosis-of-trophoblasts-in-intrahepatic-cholestasis-during-pregnancy
#10
Hai-Zhen Wang, Dan-Chun Cai, Dan-Dan Liao, Mei Zhong, Yun-Fei Gao, Chao Sheng
OBJECTIVE: To investigate the role of endoplasmic reticulum stress (ERS)-induced trophoblast apoptosis in the development of intrahepatic cholestasis during pregnancy (ICP). METHODS: Twenty pregnant women with ICP and 20 normal pregnant women undergoing cesarean section were enrolled in this study. The number of placenta syncytial knots in these women was determined using HE staining. The mRNA expressions of GRP78, CHOP, caspase-3, and caspase-7 were detected using RT-PCR in the placental tissues of the women and also in HTR-8/SVneo cells treated with different doses of deoxycholic acid (DCA)...
May 20, 2018: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/29879176/changes-of-mody-signal-pathway-genes-in-the-endoplasmic-reticulum-stress-in-ins-1-3-cells
#11
Yanan Dong, Shirui Li, Wenhui Zhao, Yanlei Wang, Tingting Ge, Jianzhong Xiao, Yukun Li
OBJECTIVE: Metabolic disturbances induce endoplasmic reticulum stress (ERS) in pancreatic beta cells. This study aims to investigate whether a common pathway exists in the ERS induced by various chemicals, including high levels of glucose and palmitate in INS-1-3 cells. METHOD: ERS in INS-1-3 cells was induced by exposure cells to thapsigargin (TG), tunicamycin (TM) or palmitic acid (PA) +high glucose (HG). Digital gene expression (DGE) profiling technique was used to detect differentially expressed genes...
2018: PloS One
https://www.readbyqxmd.com/read/29877436/multi-layer-mos-capacitor-based-polarization-insensitive-electro-optic-intensity-modulator
#12
Xiaoming Qiu, Xiaoke Ruan, Yanping Li, Fan Zhang
In this study, a multi-layer metal-oxide-semiconductor capacitor (MLMOSC) polarization insensitive modulator is proposed. The design is validated by numerical simulation with commercial software LUMERICAL SOLUTION. Based on the epsilon-near-zero (ENZ) effect of indium tin oxide (ITO), the device manages to uniformly modulate both the transverse electric (TE) and the transverse magnetic (TM) modes. With a 20μm-long double-layer metal-oxide-semiconductor capacitor (DLMOSC) polarization insensitive modulator, in which two metal-oxide-semiconductor (MOS) structures are formed by the n-doped Si/HfO2 /ITO/HfO2 / n-doped Si stack, the extinction ratios (ERs) of both the TE and the TM modes can be over 20dB...
May 28, 2018: Optics Express
https://www.readbyqxmd.com/read/29876633/the-role-of-g-protein-coupled-membrane-estrogen-receptor-in-mouse-leydig-cell-function-in-vivo-and-in-vitro-evaluation
#13
M Kotula-Balak, P Pawlicki, A Milon, W Tworzydlo, M Sekula, A Pacwa, E Gorowska-Wojtowicz, B Bilinska, B Pawlicka, J Wiater, M Zarzycka, J Galas
In this study, G-coupled estrogen receptor (GPER) was inactivated, by treatment with antagonist (G-15), in testes of C57BL/6 mice: immature (3 weeks old), mature (3 months old) and aged (1.5 years old) (50 μg/kg bw), as well as MA-10 mouse Leydig cells (10 nM/24 h) alone or in combination with 17β-estradiol or antiestrogen (ICI 182,780). In G-15-treated mice, overgrowth of interstitial tissue was found in both mature and aged testes. Depending on age, differences in structure and distribution of various Leydig cell organelles were observed...
June 6, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29875833/zooming-in-on-the-ers-fellowships-and-the-international-congress
#14
Raffaella Nenna, Laura Petrarca, Giuseppe Fabio Parisi, Isaac Almendros, Sabine Bartel, Jana De Brandt
An overview of @ERStalk fellowship opportunities with testimonials from previous fellows, and 12 tips for getting involved in #ERSCongress from @EarlyCareerERS http://ow.ly/XUaI30jjpPc.
June 2018: Breathe
https://www.readbyqxmd.com/read/29872354/ultrasound-guided-central-venous-catheter-placement-in-the-emergency-department-experience-in-a-hospital-in-bogot%C3%A3-colombia
#15
German Devia Jaramillo, Jenny Torres Castillo, Freddy Lozano, Angélica Ramírez
Introduction: The use of central venous catheters (CVCs) in the emergency room (ER) is a valuable tool for the comprehensive management of critically ill patients; however, the positioning of these devices is not free of complications. Currently, the use of ultrasound is considered a useful and safe tool to carry out these procedures, but in Colombia, the number of emergency departments providing this tool is scarce and there is no literature describing the experience in our country. Objective: The objective of this study was to describe the experience regarding placement of ultrasound-guided CVCs by emergency physicians in an institution in Bogotá, as well as the associated complications...
2018: Open Access Emergency Medicine: OAEM
https://www.readbyqxmd.com/read/29870695/postconditioning-with-sevoflurane-ameliorates-spatial-learning-and-memory-deficit-via-attenuating-endoplasmic-reticulum-stress-induced-neuron-apoptosis-in-a-rat-model-of-hemorrhage-shock-and-resuscitation
#16
Xianwen Hu, Jingxian Wang, Li Zhang, Qiquan Zhang, Xiaowen Duan, Ye Zhang
Hemorrhage shock could initiate endoplasmic reticulum stress (ERS) and then induce neuronal apoptosis. The aim of this study was to investigate whether sevoflurane postconditioning could attenuate brain injury via suppressing apoptosis induced by ERS. Seventy male rats were randomized into five groups: sham, shock, low concentration (sevo1, 1.2%), middle concentration (sevo2, 2.4%) and high concentration (sevo3, 3.6%) of sevoflurane postconditioning. Hemorrhage shock was induced by removing 40% of the total blood volume during an interval of 30 min...
June 2, 2018: Brain Research
https://www.readbyqxmd.com/read/29870068/j-wave-syndromes-as-a-cause-of-malignant-cardiac-arrhythmias
#17
REVIEW
José M Di Diego, Charles Antzelevitch
The J wave syndromes, including the Brugada (BrS) and early repolarization (ERS) syndromes, are characterized by the manifestation of prominent J waves in the electrocardiogram appearing as an ST segment elevation and the development of life-threatening cardiac arrhythmias. BrS and ERS differ with respect to the magnitude and lead location of abnormal J waves and are thought to represent a continuous spectrum of phenotypic expression termed J wave syndromes (JWS). Despite over 25 years of intensive research, risk stratification and the approach to therapy of these two inherited cardiac arrhythmia syndromes are still rapidly evolving...
June 5, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29859261/standing-sentinel-during-human-sleep-continued-evaluation-of-environmental-stimuli-in-the-absence-of-consciousness
#18
Christine Blume, Renata Del Giudice, Malgorzata Wislowska, Dominik P J Heib, Manuel Schabus
While it is a well-established finding that subject's own names (SON) or familiar voices are salient during wakefulness, we here investigated processing of environmental stimuli during sleep including deep N3 and REM sleep. Besides the effects of sleep depth we investigated how sleep-specific EEG patterns (i.e. sleep spindles and slow oscillations [SOs]) relate to stimulus processing. Using 256-channel EEG we studied processing of auditory stimuli by means of event-related oscillatory responses (de-/synchronisation, ERD/ERS) and potentials (ERPs) in N = 17 healthy sleepers...
May 30, 2018: NeuroImage
https://www.readbyqxmd.com/read/29850468/key-paediatric-messages-from-the-2017-european-respiratory-society-international-congress
#19
REVIEW
Jonathan Grigg, Jürg Barben, Mark L Everard, Graham Hall, Bülent Karadag, Alexander Moeller, Raffaella Nenna, Kostas N Priftis, Robbert J Rottier, Suzanne W J Terheggen-Lagro, Fabio Midulla
In this article, the group chairs of the Paediatric Assembly of the European Respiratory Society (ERS) highlight some of the most interesting findings presented at the 2017 ERS International Congress, which was held in Milan, Italy.
April 2018: ERJ Open Research
https://www.readbyqxmd.com/read/29845288/fgf21-attenuates-hypoxia%C3%A2-induced-dysfunction-and-apoptosis-in-hpaecs-through-alleviating-endoplasmic-reticulum-stress
#20
Ali Chen, Jingjing Liu, Jianfeng Zhu, Xuetao Wang, Zhaona Xu, Zhimin Cui, Dan Yao, Zhifeng Huang, Min Xu, Mayun Chen, Peiliang Wu, Manxiang Li, Liangxing Wang, Xiaoying Huang
Vascular endothelial apoptosis and dysfunction have a crucial role in triggering pathological vascular remodeling of hypoxia‑induced pulmonary arterial hypertension (PAH). Fibroblast growth factor (FGF)21, an endocrine regulator, has recently been reported to protect cardiac endothelial cells from damage and suppress inflammatory responses. In addition, FGF21 is reported to be involved in endoplasmic reticulum stress (ERS). Previous studies have suggested that ERS participates in the development of PAH, and attenuation of ERS could be an effective therapeutic strategy for the protection of pulmonary arteries...
May 24, 2018: International Journal of Molecular Medicine
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