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https://www.readbyqxmd.com/read/28645296/myd88-dependent-pro-interleukin-1%C3%AE-induction-in-dendritic-cells-exposed-to-food-grade-synthetic-amorphous-silica
#1
Hans Christian Winkler, Julian Kornprobst, Peter Wick, Lea Maria von Moos, Ioannis Trantakis, Elisabeth Maria Schraner, Barbara Bathke, Hubertus Hochrein, Mark Suter, Hanspeter Naegeli
BACKGROUND: Dendritic cells (DCs) are specialized first-line sensors of foreign materials invading the organism. These sentinel cells rely on pattern recognition receptors such as Nod-like or Toll-like receptors (TLRs) to launch immune reactions against pathogens, but also to mediate tolerance to self-antigens and, in the intestinal milieu, to nutrients and commensals. Since inappropriate DC activation contributes to inflammatory diseases and immunopathologies, a key question in the evaluation of orally ingested nanomaterials is whether their contact with DCs in the intestinal mucosa disrupts this delicate homeostatic balance between pathogen defense and tolerance...
June 23, 2017: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/28642099/developmental-cardiovascular-physiology-of-the-olive-ridley-sea-turtle-lepidochelys-olivacea
#2
Dane Alan Crossley, Janna Lee Crossley, Camilla Smith, Martha Harfush, Hermilo Sánchez-Sánchez, Mónica Vanessa Garduño-Paz, José Fernando Méndez-Sánchez
Our understanding of reptilian cardiovascular development and regulation has increased substantially for two species the American alligator (Alligator mississippiensis) and the common snapping turtle (Chelydra serpentina) during the past two decades. However, what we know about cardiovascular maturation in many other species remains poorly understood or unknown. Embryonic sea turtles have been studied to understand the maturation of metabolic function, but these studies have not addressed the cardiovascular system...
June 19, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28638734/severe-but-not-mild-heat-shock-treatment-induces-immunogenic-cell-death-in-cancer-cells
#3
Irena Adkins, Lenka Sadilkova, Nada Hradilova, Jakub Tomala, Marek Kovar, Radek Spisek
The mechanisms of immunogenicity underlying mild heat-shock (mHS) treatment < 42°C of tumor cells are largely attributed to the action of heat-shock proteins; however, little is known about the immunogenicity of tumor cells undergoing severe cytotoxic heat-shock treatment (sHS > 43°C). Here, we found that sHS, but not mHS (42°C), induces immunogenic cell death in human cancer cell lines as defined by the induction of ER stress response and ROS generation, cell surface exposure of calreticulin, HSP70 and HSP90, decrease of cell surface CD47, release of ATP and HMGB1...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28637903/involvement-of-nk-cells-in-il-28b-mediated-immunity-against-influenza-virus-infection
#4
Yanshi Wang, Tingting Li, Yongyan Chen, Haiming Wei, Rui Sun, Zhigang Tian
IL-28B is a member of the newly discovered type III IFN family and exhibits unique antiviral properties compared with other family members. NK cells play a critical role in defending against viruses; however, little is known about the role of IL-28B in NK cell function. In a mouse model of influenza A virus (mouse adapted influenza A/PR/8/34 strain) infection, long-term overexpression of IL-28B induced by hepatocyte-specific gene delivery exerted a strong antiviral effect in the presence of NK cells. In IL-28B-overexpressing wild-type mice, the percentages and absolute numbers of NK cells in the spleen, liver, and lung were markedly increased, with higher proliferation and accelerated NK cell maturation based on phenotypes staining with CD11b and CD27 or CD11b and KLRG1...
June 21, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28631567/microrna-1285-5p-influences-the-proliferation-and-metastasis-of-non-small-cell-lung-carcinoma-cells-via-downregulating-cdh1-and-smad4
#5
Shixia Zhou, Zhongmian Zhang, Pengyuan Zheng, Wenchao Zhao, Na Han
Abnormal expression of microRNAs has been reported to regulate gene expression and cancer cell growth, invasion, and migration. Recently, upregulation of hsa-miR-1285 was demonstrated in bronchoalveolar lavage fluid samples from patients with lung cancer and downregulation in plasma level of stage-I lung cancer patients. However, the function and the underlying mechanism of miR-1285 in non-small-cell lung carcinoma have not been elucidated. In this study, we found that miR-1285-5p, the mature form of miR-1285, was significantly upregulated in human non-small-cell lung carcinoma cell lines A549 and SK-MES-1...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28627635/concomitant-mycobacterium-tuberculosis-infection-promotes-lung-tumor-growth-through-enhancing-treg-development
#6
Yan Zhou, Zhangguo Hu, Shuhui Cao, Bo Yan, Jialin Qian, Hua Zhong
Lung cancer is the most common malignancy in humans. An increased population of CD4+Foxp3+ regulatory T cells (Tregs) in the tumor-associated microenvironment plays an important role in cancer immune evasion. The exact role and the involved mechanisms of concomitant H37Rv infection in non-small cell lung cancer (NSCLC) development are still not clear. Here, we showed that H37Rv infection promoted NSCLC cell growth with a higher percentage of Tregs found in draining lymph nodes. We also determined in vitro that H37Rv infection induced macrophage maturation and PD-L1 expression, which promoted Treg proportion, with enhanced proliferation suppression function...
June 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28627012/effect-of-betamethasone-on-fetal-pulmonary-and-umbilical-artery-doppler-velocimetry-and-relationship-with-respiratory-distress-syndrome-development
#7
Emre Sinan Güngör, Gülşah İlhan, Hüseyin Gültekin, Ali Galip Zebitay, Serdar Cömert, Fatma Ferda Verit
OBJECTIVES: Respiratory distress syndrome (RDS) is a major cause of neonatal morbidity and mortality. It is primarily a disease of premature neonates. The aim of this study was to evaluate the impact of maternal betamethasone administration on the fetal pulmonary arteries (PAs) and umbilical arteries (UAs) and the correlation between RDS development and PA Doppler results. METHODS: Forty singleton pregnancies between 24 and 34 gestational weeks with a diagnosis of preterm birth were included prospectively...
June 19, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28624211/translation-of-angiotensin-converting-enzyme-2-upon-liver-and-lung-targeted-delivery-of-optimized-chemically-modified-mrna
#8
Eva Schrom, Maja Huber, Manish Aneja, Christian Dohmen, Daniela Emrich, Johannes Geiger, Günther Hasenpusch, Annika Herrmann-Janson, Verena Kretzschmann, Olga Mykhailyk, Tamara Pasewald, Prajakta Oak, Anne Hilgendorff, Dirk Wohlleber, Heinz-Gerd Hoymann, Dirk Schaudien, Christian Plank, Carsten Rudolph, Rebekka Kubisch-Dohmen
Changes in lifestyle and environmental conditions give rise to an increasing prevalence of liver and lung fibrosis, and both have a poor prognosis. Promising results have been reported for recombinant angiotensin-converting enzyme 2 (ACE2) protein administration in experimental liver and lung fibrosis. However, the full potential of ACE2 may be achieved by localized translation of a membrane-anchored form. For this purpose, we advanced the latest RNA technology for liver- and lung-targeted ACE2 translation...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28622369/comparative-sequence-analysis-reveals-regulation-of-genes-in-developing-schistosomula-of-schistosoma-mansoni-exposed-to-host-portal-serum
#9
Wander de Jesus Jeremias, Flávio Marcos Gomes Araújo, Fábio Ribeiro Queiroz, Fabiano Sviatopolk Mirsky Pais, Ana Carolina Alves de Mattos, Anna Christina de Matos Salim, Paulo Marcos Zech Coelho, Guilherme Correa Oliveira, John Robert Kusel, Renata Guerra-Sá, Roney Santos Coimbra, Élio Hideo Babá
Once inside a vertebrate host after infection, individual schistosomula of the parasite Schistosoma mansoni find a new and complex environment, which requires quick adjustments for survival, such as those that allow it to avoid the innate immune response of the host. Thus, it is very important for the parasite to remain within the skin after entering the host for a period of about 3 days, at which time it can then reach the venous system, migrate to the lungs and, by the end of eighth day post-infection, it reach the portal venous system, while undergoing minimal changes in morphology...
2017: PloS One
https://www.readbyqxmd.com/read/28619712/targeting-acetylcholine-receptor-m3-prevents-the-progression-of-airway-hyperreactivity-in-a-mouse-model-of-childhood-asthma
#10
Kruti R Patel, Yan Bai, Kenneth G Trieu, Juliana Barrios, Xingbin Ai
Asthma often progresses into adulthood from early-life episodes of adverse environmental exposures. However, how the injury to developing lungs contributes to the pathophysiology of persistent asthma remains poorly understood. In this study, we identified an age-related mechanism along the cholinergic nerve-airway smooth muscle (ASM) axis that underlies prolonged airway hyperreactivity (AHR) in mice. We showed that ASM continued to mature until ∼3 wk after birth. Coinciding with postnatal ASM maturation, there was a critical time window for the development of ASM hypercontractility after cholinergic stimulation...
June 15, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28615417/t-cell-restricted-notch-signaling-contributes-to-pulmonary-th1-and-th2-immunity-during-cryptococcus-neoformans-infection
#11
Lori M Neal, Yafeng Qiu, Jooho Chung, Enze Xing, Woosung Cho, Antoni N Malachowski, Ashley R Sandy-Sloat, John J Osterholzer, Ivan Maillard, Michal A Olszewski
Cryptococcus neoformans is a ubiquitous, opportunistic fungal pathogen but the cell signaling pathways that drive T cell responses regulating antifungal immunity are incompletely understood. Notch is a key signaling pathway regulating T cell development, and differentiation and functional responses of mature T cells in the periphery. The targeting of Notch signaling within T cells has been proposed as a potential treatment for alloimmune and autoimmune disorders, but it is unknown whether disturbances to T cell immunity may render these patients vulnerable to fungal infections...
June 14, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28612760/effects-of-growth-and-aging-on-the-reference-values-of-pulmonary-nitric-oxide-dynamics-in-healthy-subjects
#12
Marieann Högman, Alexandra Thornadtsson, Per Liv, Thong Hua-Huy, Anh-Tuan Dinh-Xuan, Ellen Tufvesson, Holger Dressel, Christer Janson, Kirsi Koskela, Panu Oksa, Riitta Sauni, Jukka Uitti, Eeva Moilanen, Lauri Lehtimäki
The lung just like all other organs is affected by age. The lung matures by the age of 20 and age related changes starts around middle age, 40-50 years. Exhaled nitric oxide (F<sub></sub>E<sub></sub>NO) has been shown to be age, height and gender dependent. We hypothesize that the nitric oxide (NO) parameters alveolar NO (C<sub>A</sub>NO), airway flux (J<sub>aw</sub>NO), airway diffusing capacity (D<sub>aw</sub>NO) and airway wall content (C<sub>aw</sub>NO), will also demonstrate this dependence...
June 14, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28611075/identification-and-functional-characterization-of-hypoxia-induced-endoplasmic-reticulum-stress-regulating-lncrna-hyperlnc-in-pericytes
#13
Florian C Bischoff, Astrid Werner, David John, Jes-Niels Boeckel, Maria-Theodora Melissari, Phillip Grote, Simone F Glaser, Shemsi Demolli, Shizuka Uchida, Katharina M Michalik, Benjamin Meder, Hugo A Katus, Jan Haas, Wei Chen, Soni S Pullamsetti, Werner Seeger, Andreas M Zeiher, Stefanie Dimmeler, Christoph M Zehendner
Rationale: Pericytes are essential for vessel maturation and endothelial barrier function. Long non-coding RNAs (lncRNAs) regulate many cellular functions, but their role in pericyte biology remains unexplored. Objective: Here we investigate the effect of Hypoxia-Induced Endoplasmic Reticulum Stress Regulating lncRNA (HypERlnc, also known as ENSG00000262454) on pericyte function in vitro and its regulation in human heart failure and idiopathic pulmonary arterial hypertension. Methods and Results: RNA sequencing in human primary pericytes (hPCs) identified hypoxia regulated lncRNAs, including HypERlnc...
June 13, 2017: Circulation Research
https://www.readbyqxmd.com/read/28610460/vitamin-d-levels-in-newborns-and-association-with-neonatal-hypocalcemia
#14
Büşra Yılmaz, Canan Aygün, Erhan Çetinoğlu
OBJECTIVE: Vitamin D has many important functions in our body. Especially in intrauterine and early infancy periods, Vitamin D plays a major role in bone development, growth, and the maturation of tissues such as lung and brain. Fetus is dependent on the mother in terms of Vitamin D and maternal Vitamin D deficiency results in a Vitamin D deficient newborn. The purpose of this study was to determine the levels of Vitamin D in newborns and to investigate the association between Vitamin D status of the baby and neonatal hypocalcemia...
June 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28603431/hereditary-hemorrhagic-telangiectasia-and-pregnancy-potential-adverse-events-and-pregnancy-outcomes
#15
REVIEW
Omar Bari, Philip R Cohen
Hereditary hemorrhagic telangiectasia (HHT) is an autosomal dominant condition with a prevalence of ~1 in 5,000 individuals. The pathophysiology of this condition centers on the lack of capillary beds between arterioles and venules, leading to direct contact between these vessels. This results in telangiectases on characteristic locations such as the face, fingers, mouth, and nasal mucosa. Visceral arteriovenous malformations (AVMs) are also observed in many patients, and these are most commonly seen in the brain, gastrointestinal tract, and lungs...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28600386/associations-of-age-and-sex-with-marfan-phenotype-the-national-heart-lung-and-blood-institute-gentac-genetically-triggered-thoracic-aortic-aneurysms-and-cardiovascular-conditions-registry
#16
Mary J Roman, Richard B Devereux, Liliana R Preiss, Federico M Asch, Kim A Eagle, Kathryn W Holmes, Scott A LeMaire, Cheryl L Maslen, Dianna M Milewicz, Shaine A Morris, Siddharth K Prakash, Reed E Pyeritz, William J Ravekes, Ralph V Shohet, Howard K Song, Jonathan W Weinsaft
BACKGROUND: The associations of age and sex with phenotypic features of Marfan syndrome have not been systematically examined in a large cohort of both children and adults. METHODS AND RESULTS: We evaluated 789 Marfan patients enrolled in the National Heart, Lung, and Blood Institute GenTAC (Genetically Triggered Thoracic Aortic Aneurysms and Cardiovascular Conditions) Registry (53% male; mean age 31 [range: 1-86 years]). Females aged ≥15 and males aged ≥16 years were considered adults based on average age of skeletal maturity...
June 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/28594922/the-learning-curve-of-endoscopic-total-mastectomy-in-taiwan-a-multi-center-study
#17
Chin-Sheng Hung, Sheng-Wei Chang, Li-Min Liao, Cheng-Chiao Huang, Shih-Hsin Tu, Shou-Tung Chen, Dar-Ren Chen, Shou-Jen Kuo, Hung-Wen Lai, Ting-Mao Chou, Yao-Lung Kuo
INTRODUCTION: Laparoscopic techniques are commonly used in abdominal and gynecologic surgery, while breast cancer surgery has remained largely unchanged. In Asia, especially in Japan, many surgeons have started to use endoscopic surgery for breast cancer. In Taiwan, endoscopy-assisted breast surgery started in 2010. The benefits of this surgical method include smaller incisions, an axillary anatomic approach, clear vision, no oncologic compromise, and good cosmetic outcomes. This is the first report to discuss the learning curve of endoscopy-assisted breast surgery, including the difficulties experienced...
2017: PloS One
https://www.readbyqxmd.com/read/28587176/bifunctional-enzyme-jmjd6-contributes-to-multiple-disease-pathogenesis-new-twist-on-the-old-story
#18
REVIEW
Shiva Shankar Vangimalla, Murali Ganesan, Kusum K Kharbanda, Natalia A Osna
Jumonji domain-containing protein 6 (JMJD6) is a non-heme Fe(II) 2-oxoglutarate (2OG)-dependent oxygenase with arginine demethylase and lysyl hydroxylase activities. Its initial discovery as a dispensable phosphatidylserine receptor (PSR) in the cell membrane of macrophages for phagocytosis was squashed by newer studies which revealed its nuclear localization and bifunctional enzymatic activity. Though its interaction with several nuclear and cytoplasmic target proteins has been demonstrated, the exact mechanisms and clinical significance of these various biologic interplays are not yet well established...
June 1, 2017: Biomolecules
https://www.readbyqxmd.com/read/28583603/influence-of-prenatal-maternal-corticosteroid-therapy-on-clinical-and-metabolic-features-and-pulmonary-function-of-preterm-newborn-puppies
#19
F M Regazzi, L C G Silva, C F Lúcio, G A L Veiga, D S R Angrimani, D Kishi, M M M Barbosa, C I Vannucchi
Although the effects of antenatal corticosteroid therapy in clinical improvement and pulmonary maturation in preterm have been described, little is known on premature newborn puppies. This study aimed to evaluate the effect of maternal administration of a single dose of prenatal betamethasone on lung function of preterm newborn puppies in the first hours of life, especially from the clinical point of view and acid-base balance. A prospective study was conducted involving 21 puppies allocated into three experimental groups: Term Group (63 days post-ovulation), Preterm-Treated Group (57 days post-ovulation and maternal administration of a single dose of 0...
July 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28578013/paradoxical-roles-of-dual-oxidases-in-cancer-biology
#20
REVIEW
Andrew C Little, Arvis Sulovari, Karamatullah Danyal, David E Heppner, David J Seward, Albert van der Vliet
Dysregulated oxidative metabolism is a well-recognized aspect of cancer biology, and many therapeutic strategies are based on targeting cancers by altering cellular redox pathways. The NADPH oxidases (NOXes) present an important enzymatic source of biological oxidants, and the expression and activation of several NOX isoforms are frequently dysregulated in many cancers. Cell-based studies have demonstrated a role for several NOX isozymes in controlling cell proliferation and/or cell migration, further supporting a potential contributing role for NOX in promoting cancer...
May 31, 2017: Free Radical Biology & Medicine
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