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https://www.readbyqxmd.com/read/28421864/selfie-autoimmunity
#1
Haseeb Ahsan
The immune system provides protection to tissues damaged by infectious microrganisms or physical damage. In autoimmune diseases, the immune system recognizes and attacks its own tissues i.e., self-destruction. Various agents such as genetic factors and environmental triggers are thought to play a major role in the development of autoimmune diseases. A common feature of all autoimmune diseases is the presence of autoantibodies and inflammation, including mononuclear phagocytes, autoreactive T lymphocytes and autoantibody producing B cells (plasma cells)...
April 19, 2017: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/28421005/autoimmune-aspects-of-neurodegenerative-and-psychiatric-diseases-a-template-for-innovative-therapy
#2
REVIEW
Peter de Haan, Hans C Klein, Bert A 't Hart
Neurodegenerative and psychiatric diseases (NPDs) are today's most important group of diseases, surpassing both atherosclerotic cardiovascular disease and cancer in morbidity incidence. Although NPDs have a dramatic impact on our society because of their high incidence, mortality, and severe debilitating character, remarkably few effective interventions have become available. The current treatments, if available, comprise the lifelong intake of general immunosuppressants to delay disease progression or neurotransmitter antagonists/agonists to dampen undesired behaviors...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28418049/systems-chemistry
#3
REVIEW
Gonen Ashkenasy, Thomas M Hermans, Sijbren Otto, Annette F Taylor
Building on our ability to design and synthesise molecules and our understanding of the noncovalent interactions between these molecules, the chemical sciences are currently entering the new territory of Systems Chemistry. This young field aims to develop complex molecular systems showing emergent properties; i.e. properties that go beyond the sum of the characteristics of the individual consituents of the system. This review gives an impression of the state of the art of the field by showing a diverse number of recent highlights, including out-of-equilibrium self-assembly, chemically fuelled molecular motion, compartmentalised chemical networks and designed oscillators...
April 18, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28416194/foxp3-reprograms-t-cell-metabolism-to-function-in-low-glucose-high-lactate-environments
#4
Alessia Angelin, Luis Gil-de-Gómez, Satinder Dahiya, Jing Jiao, Lili Guo, Matthew H Levine, Zhonglin Wang, William J Quinn, Piotr K Kopinski, Liqing Wang, Tatiana Akimova, Yujie Liu, Tricia R Bhatti, Rongxiang Han, Benjamin L Laskin, Joseph A Baur, Ian A Blair, Douglas C Wallace, Wayne W Hancock, Ulf H Beier
Immune cells function in diverse metabolic environments. Tissues with low glucose and high lactate concentrations, such as the intestinal tract or ischemic tissues, frequently require immune responses to be more pro-tolerant, avoiding unwanted reactions against self-antigens or commensal bacteria. T-regulatory cells (Tregs) maintain peripheral tolerance, but how Tregs function in low-glucose, lactate-rich environments is unknown. We report that the Treg transcription factor Foxp3 reprograms T cell metabolism by suppressing Myc and glycolysis, enhancing oxidative phosphorylation, and increasing nicotinamide adenine dinucleotide oxidation...
April 11, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28414022/cigarette-smoking-and-the-risks-of-basal-cell-carcinoma-and-squamous-cell-carcinoma
#5
J C Dusingize, C M Olsen, N P Pandeya, P Subramaniam, B S Thompson, R E Neale, A C Green, D C Whiteman
Sunlight is the principal environmental risk factor for keratinocyte cancers, but other carcinogens have also been implicated, including tobacco smoke. Findings have been conflicting however. We investigated associations between cigarette smoking and incidence of BCC or SCC in QSkin, a prospective study of skin cancer (n=43,794). Smoking history was self-reported at baseline; newly diagnosed BCCs and SCCs were ascertained through data linkage and verified by histopathology reports. We restricted analyses to white participants who at baseline reported no past history of skin cancer excisions and no more than 5 destructively-treated actinic skin lesions...
April 13, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28412819/d-%C3%AE-tocopheryl-polyethylene-glycol-succinate-micelles-structure-kinetic-pathways-and-modulation-by-cyclodextrins
#6
Joan Puig-Rigall, Isabelle Grillo, Cecile A Dreiss, Gustavo González-Gaitano
The aggregation and structure of D-α-tocopheryl polyethylene glycol succinate micelles, TPGS-1000, an amphiphilic derivative of vitamin E, were characterized by scattering and spectroscopic methods, and the impact of different cyclodextrins (CDs) on the self-assembly studied, with the view of combining these two versatile pharmaceutical excipients in drug formulations. Combined SANS, DLS, time-resolved and steady-state fluorescence emission experiments revealed a core-shell architecture with a high aggregation number (Nagg ~ 100) and a highly hydrated PEO corona (~ 11 molecules of solvent per EO unit)...
April 16, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28404795/dynamics-of-the-interaction-between-cotton-bollworm-helicoverpa-armigera-and-nucleopolyhedrovirus-as-revealed-by-integrated-transcriptomic-and-proteomic-analyses
#7
Longsheng Xing, Chuanfei Yuan, Manli Wang, Zhe Lin, Benchang Shen, Zhihong Hu, Zhen Zou
Over the past decades, Helicoverpa armigera nucleopolyhedrovirus (HearNPV) has been widely used for biocontrol of cotton bollworm, which is one of the most destructive pest insects in agriculture worldwide. However, the molecular mechanism underlying the interaction between HearNPV and host insects remains poorly understood. In this study, high throughput RNA-sequencing was integrated with label-free quantitative proteomics analysis to examine the dynamics of gene expression in the fat body of H. armigera larvae in response to challenge with HearNPV...
April 12, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28394506/lithium-levels-in-tap-water-and-the-mental-health-problems-of-adolescents-an-individual-level-cross-sectional-survey
#8
Shuntaro Ando, Shinsuke Koike, Shinji Shimodera, Ryosuke Fujito, Ken Sawada, Takeshi Terao, Toshi A Furukawa, Tsukasa Sasaki, Shimpei Inoue, Nozomu Asukai, Yuji Okazaki, Atsushi Nishida
OBJECTIVE: We investigated the association between lithium level in tap water and mental health problems, including depressive symptoms, anxiety, and aggressive and suicidal behaviors, in a general population of adolescents using a large individual-level dataset. METHODS: A school-based, cross-sectional survey was conducted in Kochi Prefecture in Japan between 2008 and 2009. Students in 24 public junior high schools were asked to anonymously complete a self-report questionnaire...
March 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28390650/garlic-burn-of-the-oral-mucosa-a-case-report-and-review-of-self-treatment-chemical-burns
#9
Richard J Vargo, Blake M Warner, Anitha Potluri, Joanne L Prasad
BACKGROUND AND OVERVIEW: Inappropriate self-treatment with topically applied therapeutic or nontherapeutic agents frequently results in mucosal burns. Although such chemical burns typically are associated with misuse of analgesics, investigators also have reported them in conjunction with topical application of a variety of other agents. CASE DESCRIPTION: The authors report an unusual case of a 49-year-old man seeking care for maxillary tooth pain who had an oral mucosal burn of the maxillary vestibule caused by topical application of crushed raw garlic...
April 5, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28382712/traser-an-innovative-device-for-the-treatment-of-nasal-telangiectasias
#10
Paul M Friedman, Stanislav N Tolkachjov, Elizabeth R Geddes, Karl A Tillman, Christopher B Zachary
BACKGROUND: Destruction of blood vessels by selective photothermolysis has been successfully achieved using a number of different laser and light systems, none of which provide significant independent variation in parameters such as wavelength. OBJECTIVE: To evaluate the safety and efficacy of a novel configurable device in the treatment of nasal telangiectasias. METHODS: Fifteen subjects aged 42-73 with Fitzpatrick skin types I and II were treated for nasal telangiectasias of various sizes...
April 6, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28378202/exercise-training-but-not-curcumin-supplementation-decreases-immune-cell-infiltration-in-the-pancreatic-islets-of-a-genetically-susceptible-model-of-type-1-diabetes
#11
Leandro Kansuke Oharomari, Camila de Moraes, Anderson Marliere Navarro
BACKGROUND: The main mechanism involved in the pathogenesis of autoimmunity is an uncontrolled inflammatory response against self-antigens. Therefore, anti-inflammatory factors, such as the intake of bioactive compounds and a physically active lifestyle, may decrease or cease the development of autoimmune diseases. Type 1 diabetes (T1D) is an autoimmune disease characterized by pancreatic β cell destruction. The non-obese diabetic (NOD) mouse is a model of spontaneous T1D and is the model most similar to human disease...
December 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/28376530/autoimmune-neutropenia-updates-etiology-pathology-and-treatment
#12
Wais Afzal, Mohamad Bagher Owlia, Sarfaraz Hasni, Kam A Newman
Autoimmune neutropenia (AIN) is defined as a neutrophil count <1.5 × 10(9)/L caused by increased peripheral destruction of neutrophils from an underlying autoimmune mechanism in which autoantibodies are directed against a patient's own neutrophils. AIN has a multifactorial etiology ranging from an idiopathic primary phenomenon to secondary disorders associated with established autoimmune diseases. Primary AIN is more prevalent in children, generally self-limited, and typically manifests as a sole hematologic abnormality...
April 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28375715/emotional-alienation-as-a-mediator-of-the-relationship-between-perceived-discrimination-and-alcohol-use-among-immigrant-adolescents-in-israel
#13
Sophie D Walsh, Maya Sagis-Krebs, Ashi Gross
Perceived discrimination has been found to be a predictor of immigrant adolescent involvement in alcohol use, yet the psychological mechanism behind this relationship has not been well explored. Drawing on strain theory and the motivational model of alcohol use, the current study aimed to develop and test a concept of emotional alienation. In the proposed model, it is when experiences of discrimination are internalized into painful feelings of detachment, anger, rejection, and failure that the immigrant adolescent may turn to alcohol use...
April 4, 2017: Journal of Ethnicity in Substance Abuse
https://www.readbyqxmd.com/read/28374681/a-reliable-and-controllable-graphene-doping-method-compatible-with-current-cmos-technology-and-the-demonstration-of-its-device-applications
#14
Seonyeong Kim, Somyeong Shin, Taekwang Kim, Hyewon Du, Minho Song, Ki Soo Kim, Seungmin Cho, Sang Wook Lee, Sunae Seo
The modulation of charge carrier concentration allows us to tune the Fermi level (E F) of graphene thanks to the low electronic density of states near the E F. The introduced metal oxide thin films as well as the modified transfer process can elaborately maneuver the amounts of charge carrier concentration in graphene. The self-encapsulation provides a solution to overcome the stability issues of metal oxide hole dopants. We have manipulated systematic graphene p-n junction structures for electronic or photonic application-compatible doping methods with current semiconducting process technology...
April 28, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28371624/dextran-sulfate-nanoparticles-as-a-theranostic-nanomedicine-for-rheumatoid-arthritis
#15
Roun Heo, Dong Gil You, Wooram Um, Ki Young Choi, Sangmin Jeon, Jong-Sung Park, Yuri Choi, Seunglee Kwon, Kwangmeyung Kim, Ick Chan Kwon, Dong-Gyu Jo, Young Mo Kang, Jae Hyung Park
With the aim of developing nanoparticles for targeted delivery of methotrexate (MTX) to inflamed joints in rheumatoid arthritis (RA), an amphiphilic polysaccharide was synthesized by conjugating 5β-cholanic acid to a dextran sulfate (DS) backbone. Due to its amphiphilic nature, the DS derivative self-assembled into spherical nanoparticles (220 nm in diameter) in aqueous conditions. The MTX was effectively loaded into the DS nanoparticles (loading efficiency: 73.0%) by a simple dialysis method. Interestingly, the DS nanoparticles were selectively taken up by activated macrophages, which are responsible for inflammation and joint destruction, via scavenger receptor class A-mediated endocytosis...
July 2017: Biomaterials
https://www.readbyqxmd.com/read/28352504/task-as-reinforcer-a-reactive-alternative-to-traditional-forms-of-escape-extinction
#16
Steve Ward, Amanda Parker, Angelina Perdikaris
Inappropriate behaviors, ranging from passive resistance to physical aggression, property destruction, or self-injurious behavior frequently function for escape from or avoidance of non-preferred activities. Proactive procedures have been shown to be only moderately effective without the use of escape extinction, but escape extinction can produce negative side effects, and efforts have been made to find alternatives. The current study tested the efficacy of a reactive procedure that may serve as an alternative to traditional forms of escape extinction...
March 2017: Behavior Analysis in Practice
https://www.readbyqxmd.com/read/28351046/retinal-vein-occlusions
#17
Jost B Jonas, Jordi Monés, Agnès Glacet-Bernard, Gabriel Coscas
Retinal vein occlusions (RVOs) have been defined as retinal vascular disorders characterized by dilatation of retinal veins with retinal and subretinal hemorrhages, macular edema, and a varying degree of retinal ischemia. Retinal angiography, either as fluorescein and indocyanine green (ICG) angiography or in the form of optical coherence tomography (OCT)-based angiography, is essential for the diagnosis and assessment of the prognosis of RVOs. It allows the differentiation of diverse types of RVOs, such as perfused or nonperfused, as well as the detection of different modalities in the natural history of RVOs...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28345695/anion-dependent-self-assembly-of-copper-coordination-polymers-based-on-pyrazole-3-5-dicarboxylate-and-1-2-di-4-pyridyl-ethylene
#18
Fatima Klongdee, Jaursup Boonmak, Sujittra Youngme
By utilizing a pyrazole-3,5-dicarboxylic acid (H3pzdc) and flexible 1,2-di(4-pyridyl)ethylene (dpe) with various copper(ii) salts under the same solvothermal synthetic conditions, six novel coordination polymers, namely, {[Cu2(pzdc)(dpe)2]X}n (X = NO3(-) (1), ClO4(-) (2), BF4(-) (3), SCN(-) (4)), {[Cu(ii)4Cu(i)4(pzdc)4(dpe)6](H2O)4}2n (5), and {[Cu5(HPO4)2 (pzdc)2(dpe)3](H2O)5}n (6) were obtained. The structural diversity of compounds 1-6 depends on the starting Cu(ii) salts. Compounds 1-4 are isostructural and exhibit a 3D porous cationic pillar-layered coordination framework with lattice monoanions incorporated into the channels of the framework...
March 27, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28335453/a-spatially-offset-raman-spectroscopy-method-for-non-destructive-detection-of-gelatin-encapsulated-powders
#19
Kuanglin Chao, Sagar Dhakal, Jianwei Qin, Yankun Peng, Walter F Schmidt, Moon S Kim, Diane E Chan
Non-destructive subsurface detection of encapsulated, coated, or seal-packaged foods and pharmaceuticals can help prevent distribution and consumption of counterfeit or hazardous products. This study used a Spatially Offset Raman Spectroscopy (SORS) method to detect and identify urea, ibuprofen, and acetaminophen powders contained within one or more (up to eight) layers of gelatin capsules to demonstrate subsurface chemical detection and identification. A 785-nm point-scan Raman spectroscopy system was used to acquire spatially offset Raman spectra for an offset range of 0 to 10 mm from the surfaces of 24 encapsulated samples, using a step size of 0...
March 18, 2017: Sensors
https://www.readbyqxmd.com/read/28332834/multicomponent-platinum-ii-cages-with-tunable-emission-and-amino-acid-sensing
#20
Mingming Zhang, Manik Lal Saha, Ming Wang, Zhixuan Zhou, Bo Song, Chenjie Lu, Xuzhou Yan, Xiaopeng Li, Feihe Huang, Shouchun Yin, Peter J Stang
The syntheses, characterization, and emission properties of three tetragonal prismatic cages, 4a-4c, constructed from eight 90° Pt(II) acceptors, four linear dipyridyl ligands, and two tetraphenylethene (TPE)-based sodium benzoate ligands, are described. These cages are emissive in dilute solutions due to the metal-coordination-induced partial restriction of intramolecular rotation of their TPE units, while the dipyridyl moieties, which act as the pillars as well as the solvents, strongly influence these emissions...
March 31, 2017: Journal of the American Chemical Society
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