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https://www.readbyqxmd.com/read/28640637/designing-transmitter-ligands-that-mediate-energy-transfer-between-semiconductor-nanocrystals-and-molecules
#1
Zhiyuan Huang, Ming Lee Tang
Molecular control of energy transfer is an attractive proposition because it allows chemists to synthetically tweak various kinetic and thermodynamic factors. In this Perspective, we examine energy transfer between semiconductor nano-crystals (NCs) and π-conjugated molecules, focusing on the transmitter ligand at the organic-inorganic interface. Efficient transfer of triplet excitons across this interface allows photons to be directed for effective use of the entire solar spectrum. For example, a photon upconversion system composed of semiconductor NCs as sensitizers, bound organic ligands as transmitters, and molecular annihilators has the advantage of large, tunable absorption cross-sections across the visible and near infrared wavelengths...
June 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28636775/role-of-the-tumour-necrosis-factor-like-weak-inducer-of-apoptosis-tweak-fibroblast-growth-factor-inducible-14-fn14-axis-in-autoimmune-thyroid-disease
#2
Shiqiao Peng, Xiaohui Yu, Xuemin Zhao, Xinyi Wang, Xuren Sun, Cheng Han, Zhongyan Shan, Chenyan Li, Weiping Teng
BACKGROUND: TNF-like weak inducer of apoptosis (TWEAK), its receptor fibroblast growth factor-inducible 14 (Fn14) and its scavenger receptor CD163 (sCD163) have known associations with many autoimmune diseases. However, the role of the TWEAK axis in autoimmune thyroid disease (AITD) remains unclear. Therefore, the aim of this study was to investigate the role of the TWEAK-Fn14 axis in the pathogenesis of AITD. METHODS: Serum levels of soluble TWEAK (sTWEAK) and sCD163 were measured in 38 patients with Graves' disease (GD), 40 patients with Hashimoto's thyroiditis (HT), and 40 healthy controls (HCs)...
June 21, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28620393/tweak-fn14-activation-participates-in-ro52-mediated-photosensitization-in-cutaneous-lupus-erythematosus
#3
Yale Liu, Meifeng Xu, Xiaoyun Min, Kunyi Wu, Ting Zhang, Ke Li, Shengxiang Xiao, Yumin Xia
Tumor necrosis factor (TNF)-like weak inducer of apoptosis (TWEAK) binds to its sole receptor fibroblast growth factor-inducible 14 (Fn14), participating in various inflammatory responses. Recently, TWEAK/Fn14 activation was found prominent in the lesions of cutaneous lupus erythematosus (CLE). This study was designed to further reveal the potential role of this pathway in Ro52-mediated photosensitization. TWEAK, Fn14, and Ro52 were determined in the skin lesions of patients with CLE. Murine keratinocytes received ultraviolet B (UVB) irradiation or plus TWEAK stimulation and underwent detection for Ro52 and proinflammatory cytokines...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28619231/endoplasmic-reticulum-chaperones-tweak-the-mitochondrial-calcium-rheostat-to-control-metabolism-and-cell-death
#4
REVIEW
Tomas Gutiérrez, Thomas Simmen
The folding of secretory proteins is a well-understood mechanism, based on decades of research on endoplasmic reticulum (ER) chaperones. These chaperones interact with newly imported polypeptides close to the ER translocon. Classic examples for these proteins include the immunoglobulin binding protein (BiP/GRP78), and the lectins calnexin and calreticulin. Although not considered chaperones per se, the ER oxidoreductases of the protein disulfide isomerase (PDI) family complete the folding job by catalyzing the formation of disulfide bonds through cysteine oxidation...
May 31, 2017: Cell Calcium
https://www.readbyqxmd.com/read/28612578/-expression-of-tweak-fn14-in-pancreatic-cancer
#5
Ai-Lin Wei, Qiang Guo, Shu Gong
OBJECTIVES: To investigate the effect of tumor necrosis factor -related weak inducer of apoptosis (TWEAK)/fibroblast growth factor-inducible 14 (Fn14) on the proliferation and growth of pancreatic cancer. METHODS: Human pancreatic cancer (50 cases), chronic pancreatitis (40 cases) and normal pancreatic tissues (30 cases) were collected in West China Hospital from January 2012 to December 2013. TWEAK and Fn14 expressions in these tissues were checked with hematoxylin-eosin (HE) staining and immunohistochemistry method...
January 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28609804/psychometric-properties-of-brief-screening-tests-for-alcohol-use-disorders-during-pregnancy-in-argentina
#6
Mariana Beatriz López, Aldana Lichtenberger, Karina Conde, Mariana Cremonte
Background Considering the physical, mental and behavioral problems related to fetal alcohol exposure, prenatal clinical guides suggest a brief evaluation of alcohol consumption during pregnancy to detect alcohol intake and to adjust interventions, if required. Even if any alcohol use should be considered risky during pregnancy, identifying women with alcohol use disorders is important because they could need a more specific intervention than simple advice to abstain. Most screening tests have been developed and validated in male populations and focused on the long-term consequences of heavy alcohol use, so they might be inappropriate to assess consumption in pregnant women...
June 13, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28586123/boosting-the-supercapacitance-of-nitrogen-doped-carbon-by-tuning-surface-functionalities
#7
Jasper Biemolt, Ilse M Denekamp, Thierry K Slot, Gadi Rothenberg, David Eisenberg
We report that the specific capacitance of a highly porous, nitrogen-doped carbon is nearly tripled by orthogonal optimization of microstructure and surface chemistry. First, the carbons' hierarchical pore structure and specific surface area were tweaked by controlling the temperature and sequence of thermal treatments. The best process (pyrolysis at 900 °C, washing, and a second annealing at 1000 °C) yielded carbons with a specific capacitance of 117 F/g - nearly double that of a carbon made by a typical, single-step synthesis at 700 °C...
June 6, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28562476/fn14-blockade-on-pulmonary-microvascular-endothelial-cells-improves-the-outcome-of-sepsis-induced-acute-lung-injury
#8
Yun Zou, Suhong Bao, Fang Wang, Long Guo, Jiali Zhu, Jun Wang, Xiaoming Deng, Jinbao Li
Pulmonary microvascular leakage is one of the characteristics of blood-air barrier dysfunction in septic acute lung injury/acute respiratory distress syndrome (ALI/ARDS). Fibroblast growth factor-inducible 14 (Fn14) exerts diverse functions under certain circumstances. However, the role of Fn14 on the integrity of pulmonary microvascular endothelial cells (PMVECs) during sepsis remains unknown. Septic ALI was induced via cecal ligation and puncture (CLP). Fn14 expression on PMVECs was measured 24 h after surgery...
May 30, 2017: Shock
https://www.readbyqxmd.com/read/28535173/invited-commentary-self-control-is-a-virtue
#9
C R Weinberg
The case-crossover design, introduced in 1991 by Malcolm Maclure (Am J Epidemiol. 1991;133(2):144-153), provided a precise and powerful tool for studying short-term effects of transient triggering exposures on abrupt outcomes like myocardial infarction. The design is an example of "self-control." One compares case-time intervals that include experiences that came just before the health event with control-time intervals that capture comparable experiences more remote from the event. Methodologists have since tweaked the general approach, recognizing issues that need to be considered to guard against time-driven confounders...
June 1, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28530223/tweak-mediates-inflammation-in-experimental-atopic-dermatitis-and-psoriasis
#10
Daniel Sidler, Ping Wu, Rana Herro, Meike Claus, Dennis Wolf, Yuko Kawakami, Toshiaki Kawakami, Linda Burkly, Michael Croft
Atopic dermatitis (AD) and psoriasis are driven by alternate type 2 and type 17 immune responses, but some proteins might be critical to both diseases. Here we show that a deficiency of the TNF superfamily molecule TWEAK (TNFSF12) in mice results in defective maintenance of AD-specific T helper type 2 (Th2) and psoriasis-specific Th17 cells in the skin, and impaired expression of disease-characteristic chemokines and cytokines, such as CCL17 and TSLP in AD, and CCL20 and IL-19 in psoriasis. The TWEAK receptor, Fn14, is upregulated in keratinocytes and dermal fibroblasts, and TWEAK induces these cytokines and chemokines alone and in synergy with the signature T helper cytokines of either disease, IL-13 and IL-17...
May 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28512793/5-azacytidine-mediated-hmsc-behavior-on-electrospun-scaffolds-for-skeletal-muscle-regeneration
#11
Ines Fasolino, Vincenzo Guarino, Valentina Cirillo, Luigi Ambrosio
Incomplete regeneration after trauma or muscular dysfunction is a common problem in muscle replacement therapies. Recent approaches in tissue engineering allow for the replication of skeletal muscle structure and function in vitro and in vivo by molecular therapies and implantable scaffolds which properly address muscle cells toward myotube differentiation and maturation. Here, we investigate the in vitro response of human mesenchymal stem cells (hMSC) on electrospun fibers made of polycaprolactone (PCL) in the presence of 5-azacytidine (5-AZA) to evaluate how fibrous network may influence the therapeutic effect of drug during in vitro myogenesis...
May 16, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28497873/an-online-education-approach-to-population-health-in-a-global-society
#12
Queen Utley-Smith
BACKGROUND: Health professions education content must keep pace with the ever-evolving and changing health care system. Population-based health care is advocated as a way to improve health outcomes, particularly in a technologically advanced health system like the United States. At the same time, global health knowledge is increasingly valued in health professions education, including nursing. AIMS: This article describes the design and implementation of an online population health course with a global viewpoint intended to accommodate the need for improved knowledge and skill application for graduate nurses...
May 12, 2017: Public Health Nursing
https://www.readbyqxmd.com/read/28473714/a-2-oxa-spiro-5-4-decane-scaffold-displays-neurotrophic-neurogenic-and-anti-neuroinflammatory-activities-with-high-potential-for-development-as-a-versatile-cns-therapeutic
#13
Pranav Chintamani Joshi, Ramesh Samineni, Dwaipayan Bhattacharya, Bommana Raghunath Reddy, Lenin Veeraval, Tapatee Das, Swati Maitra, Abhipradnya Bipin Wahul, Shailaja Karri, Srihari Pabbaraja, Goverdhan Mehta, Arvind Kumar, Sumana Chakravarty
Following our recent discovery of a new scaffold exhibiting significant neurotrophic and neurogenic activities, a structurally tweaked analogue, embodying a 2-oxa-spiro [5.4]decane framework, has been conceptualised and found to be more potent and versatile. It exhibits enhanced neurotrophic and neurogenic action in in vitro, ex vivo and in vivo models and also shows robust neuroprotection in mouse acute cerebral stroke model. The observed attributes are traceable to the predominant activation of the TrkB-PI3K-AKT-CREB pathway...
May 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28470609/generation-of-recombinant-n-linked-glycoproteins-in-e-coli
#14
Benjamin Strutton, Stephen R P Jaffé, Jagroop Pandhal, Phillip C Wright
The production of N-linked recombinant glycoproteins is possible in a variety of biotechnology host cells, and more recently in the bacterial workhorse, Escherichia coli. This methods chapter will outline the components and procedures needed to produce N-linked glycoproteins in E. coli, utilizing Campylobacter jejuni glycosylation machinery, although other related genes can be used with minimal tweaks to this methodology. To ensure a successful outcome, various methods will be highlighted that can confirm glycoprotein production to a high degree of confidence, including the gold standard of mass spectrometry analysis...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28455790/advanced-glycation-end-products-attenuate-the-function-of-tumor-necrosis-factor-like-weak-inducer-of-apoptosis-to-regulate-the-inflammatory-response
#15
Masahiro Watanabe, Takao Toyomura, Hidenori Wake, Keyue Liu, Kiyoshi Teshigawara, Hideo Takahashi, Masahiro Nishibori, Shuji Mori
Advanced glycation end products (AGEs) are formed from the non-enzymatic glycation reaction of reducing sugars or their metabolites with the free amino groups of several biomolecules and are known to play pathophysiological roles in various inflammatory diseases. In an earlier study, it was suggested that tumor necrosis factor-like weak inducer of apoptosis (TWEAK) has a unique role to regulate the tumor necrosis factor α (TNFα)-induced inflammatory response. In this study, we investigated the effect of the AGEs-TWEAK interaction on proinflammatory signaling responses in endothelial cells and the influence of AGEs on the cellular function of TWEAK in the inflammatory process...
April 28, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28455246/fn14%C3%A2-trail-fusion-protein-is-oligomerized-by-tweak-into-a-superefficient-trail-analog
#16
Tatyana B Prigozhina, Fanny Szafer, Alexandra Aronin, Kobi Tzdaka, Shira Amsili, Efi Makdasi, Noam Shani, Michal Dranitzki Elhalel
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) demonstrates specific anti-cancer activity, but insufficient efficacy in patients. A fusion protein Fn14·TRAIL, that combines soluble TRAIL molecule with a specific TWEAK receptor Fn14, is a better apoptosis-inducer for hepatocellular carcinomas than soluble TRAIL. However, Fn14·TRAIL does not effectively induce apoptosis in tumors of the lymphoid origin. As malignant cell apoptosis is strongly enhanced by secondary oligomerization of TRAIL, we tested the hypothesis that soluble Fn14·TRAIL can be oligomerized and become more active by adding TWEAK, a cytokine secreted in the tumor environment...
April 25, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28455000/ethylglucuronide-in-the-urine-as-a-marker-of-alcohol-consumption-during-pregnancy-comparison-with-four-alcohol-screening-questionnaires
#17
Giampiero Ferraguti, Paola Ciolli, Valentina Carito, Gemma Battagliese, Rosanna Mancinelli, Stefania Ciafrè, Paola Tirassa, Rosaria Ciccarelli, Alessia Cipriani, Marisa Patrizia Messina, Marco Fiore, Mauro Ceccanti
Ethyl glucuronide (EtG) is an ethanol metabolite and EtG is used as a biomarker of alcohol drinking. EtG can be detected in the blood and in several biological matrices including urine, hair and nails. Alcohol consumption during pregnancy is a strong risk factor for fetus health so in the recent years different strategies to reveal alcohol use have been planning including the use of screening questionnaires as the AUDIT-C, T-ACE and TWEAK. The present study aims to investigate in pregnant women the specificity and predictive value of the AUDIT-C, T-ACE and TWEAK plus a food diary in use in Sapienza University Hospital compared with the results of urine EtG measurement...
April 25, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28447667/tweak-blockade-decreases-atherosclerotic-lesion-size-and-progression-through-suppression-of-stat1-signaling-in-diabetic-mice
#18
Valvanera Fernández-Laso, Cristina Sastre, Nerea Méndez-Barbero, Jesús Egido, Jose L Martín-Ventura, Carmen Gómez-Guerrero, Luis M Blanco-Colio
Tumor necrosis factor-like weak inducer of apoptosis (TWEAK/Tnfsf12) is a cytokine implicated in different steps associated with vascular remodeling. However, the role of TWEAK under hyperglycemic conditions is currently unknown. Using two different approaches, genetic deletion of Tnfsf12 and treatment with a TWEAK blocking mAb, we have analyzed the effect of TWEAK inhibition on atherosclerotic plaque progression and stability in streptozotocin-induced diabetic ApoE deficient mice. Genetic inactivation of Tnfsf12 reduced atherosclerosis extension and severity in diabetic ApoE deficient mice...
April 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428709/disruption-of-the-tweak-fn14-pathway-prevents-5-fluorouracil-induced-diarrhea-in-mice
#19
Takuhito Sezaki, Yuki Hirata, Teruki Hagiwara, Yuki I Kawamura, Tadashi Okamura, Rieko Takanashi, Kenta Nakano, Miwa Tamura-Nakano, Linda C Burkly, Taeko Dohi
AIM: To clarify the roles of TWEAK and its receptor Fn14 in 5-fluorouracil (5-FU)-induced diarrhea. METHODS: Diarrhea was induced in wild-type (WT), Fn14 knockout (KO), and IL-13 receptor (IL-13R)α1 KO BALB/c mice using a single injection of 5-FU. Histological analysis, cytokine analysis, and flow cytometry was performed on ileal tissues and cells. Murine colon carcinoma-bearing mice were co-treated with an anti-TWEAK antibody and 5-FU. Embryonic fibroblast response to cytokines was also analyzed...
April 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28427384/imbalanced-target-prediction-with-pattern-discovery-on-clinical-data-repositories
#20
Tak-Ming Chan, Yuxi Li, Choo-Chiap Chiau, Jane Zhu, Jie Jiang, Yong Huo
BACKGROUND: Clinical data repositories (CDR) have great potential to improve outcome prediction and risk modeling. However, most clinical studies require careful study design, dedicated data collection efforts, and sophisticated modeling techniques before a hypothesis can be tested. We aim to bridge this gap, so that clinical domain users can perform first-hand prediction on existing repository data without complicated handling, and obtain insightful patterns of imbalanced targets for a formal study before it is conducted...
April 20, 2017: BMC Medical Informatics and Decision Making
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