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https://www.readbyqxmd.com/read/29782307/cutaneous-manifestations-of-tuberous-sclerosis
#1
Mirjana Bakić, Marina Ratković, Branka Gledović, Balsa Vujović, Danilo Radunović, Vera Babić, Vladimir Prelević
Dear Editor, Tuberous sclerosis (TS) is an autosomal dominant multisystem disease, which occurs due to genetically determined hyperplasia of ectodermal and mesodermal cells. Clinical manifestations present on the skin and in the nervous system, kidneys, heart, and other organs. Recent studies estimate the incidence of TS at 1/6000 to 1/10,000 live births, and a prevalence in the general population of approximately 1 in 20,000 (1). There are two different genetic loci responsible for TS: 9q34 (TSC1-hamartin) and 16p13...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29769645/nonlocal-position-changes-of-a-photon-revealed-by-quantum-routers
#2
Avshalom C Elitzur, Eliahu Cohen, Ryo Okamoto, Shigeki Takeuchi
Since its publication, Aharonov and Vaidman's three-box paradox has undergone three major advances: i). A non-counterfactual scheme by the same authors in 2003 with strong rather than weak measurements for verifying the particle's subtle presence in two boxes. ii) A realization of the latter by Okamoto and Takeuchi in 2016. iii) A dynamic version by Aharonov et al. in 2017, with disappearance and reappearance of the particle. We now combine these advances together. Using photonic quantum routers the particle acts like a quantum "shutter...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29763453/anisotropic-conductivity-tensor-imaging-for-transcranial-direct-current-stimulation-tdcs-using-magnetic-resonance-diffusion-tensor-imaging-mr-dti
#3
Mun Bae Lee, Hyung Joong Kim, Eung Je Woo, Oh In Kwon
Transcranial direct current stimulation (tDCS) is a widely used non-invasive brain stimulation technique by applying low-frequency weak direct current via electrodes attached on the head. The tDCS using a fixed current between 1 and 2 mA has relied on computational modelings to achieve optimal stimulation effects. Recently, by measuring the tDCS current induced magnetic field using an MRI scanner, the internal current pathway has been successfully recovered. However, up to now, there is no technique to visualize electrical properties including the electrical anisotropic conductivity, effective extracellular ion-concentration, and electric field using only the tDCS current in-vivo...
2018: PloS One
https://www.readbyqxmd.com/read/29695064/spoofing-detection-using-gnss-ins-odometer-coupling-for-vehicular-navigation
#4
Ali Broumandan, Gérard Lachapelle
Location information is one of the most vital information required to achieve intelligent and context-aware capability for various applications such as driverless cars. However, related security and privacy threats are a major holdback. With increasing focus on using Global Navigation Satellite Systems (GNSS) for autonomous navigation and related applications, it is important to provide robust navigation solutions, yet signal spoofing for illegal or covert transportation and misleading receiver timing is increasing and now frequent...
April 24, 2018: Sensors
https://www.readbyqxmd.com/read/29694116/quantum-steering-beyond-instrumental-causal-networks
#5
R V Nery, M M Taddei, R Chaves, L Aolita
We theoretically predict, and experimentally verify with entangled photons, that outcome communication is not enough for hidden-state models to reproduce quantum steering. Hidden-state models with outcome communication correspond, in turn, to the well-known instrumental processes of causal inference but in the one-sided device-independent scenario of one black-box measurement device and one well-characterized quantum apparatus. We introduce one-sided device-independent instrumental inequalities to test against these models, with the appealing feature of detecting entanglement even when communication of the black box's measurement outcome is allowed...
April 6, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29688708/novel-allosteric-activators-for-ferroptosis-regulator-glutathione-peroxidase-4
#6
Cong Li, Xiaobing Deng, Weilin Zhang, Xiaowen Xie, Marcus Conrad, Ying Liu, José Pedro Friedmann Angeli, Luhua Lai
Glutathione peroxidase 4 (GPX4) is essential for cell membrane repair, inflammation suppression, and ferroptosis inhibition. GPX4 upregulation provides unique drug discovery opportunities for inflammation and ferroptosis-related diseases. However, rational design of protein activators is challenging. Until now, no compound has been reported to activate the enzyme activity of GPX4. Here, we identified a potential allosteric site in GPX4, and successfully found eight GPX4 activators using a novel computational strategy and experimental studies...
April 24, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29687197/influence-of-fishing-activity-over-the-marine-debris-composition-close-to-coastal-jetty
#7
Eduardo G G Farias, Paulo R Preichardt, David V Dantas
Worldwide, the marine debris emissions have been provoking impacts in ecosystems, generating massive mortality of different species with commercial interest. In South America, we have a lack of studies to verify the marine debris composition in transitional environments such as adjacent regions of coastal jetties. These are hydraulic engineering constructions used to maintain the navigation channel access between the sea-estuarine interface and are also used by teleost fishes, crustaceans, and mollusks like artificial shelters (reefs), being excellent fishing grounds...
April 23, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29685023/extracorporeal-shockwave-therapy-versus-exercise-program-in-patients-with-low-back-pain-short-term-results-of-a-randomised-controlled-trial
#8
A Notarnicola, G Maccagnano, M F Gallone, L Mastromauro, F Rifino, V Pesce, I Covelli, B Moretti
The physiotherapy treatment of low back pain (LBP) with physical stimulation offers different possibilities of application. Until now, the physical therapies used in LBP are laser therapy, ultrasonotherapy and currents. We conducted a clinical trial in order to verify whether shockwave therapy, which is very effective in treating tendinopathies and fracture consolidation delays, leads to clinical and electromyographic improvement in patients affected by LBP. We randomized thirty patients affected by LBP treated with shock waves (shockwave group) or a standard protocol characterized by rehabilitative exercises (control group)...
March 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29673583/novel-artificial-stool-material-for-external-quality-assurance-eqa-on-a-fecal-immunochemical-test-for-hemoglobin-fit-the-confirmed-utility-of-stable-hemoglobin-and-an-internal-standard-material
#9
Ryota Yasui, Miyu Yamada, Shizuka Takehara, Ikunosuke Sakurabayashi, Katsunori Watanabe
The fecal immunochemical test for hemoglobin (FIT), which detects lower gastrointestinal bleeding, is widely accepted for population-based colorectal cancer (CRC) screening programs. However, the FIT screening process has not been standardized yet, and standardizing the pre-analytical phase and establishing an external quality assurance (EQA) program compliant with ISO requirements is urgently needed. Although there have been various attempts to establish EQA materials suitable for FIT, no materials have yet been reported to have sufficient uniformity and acceptable immunochemical stability of hemoglobin (Hb)...
April 16, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29669815/implementation-of-plate-imaging-for-demonstration-of-monoclonality-in-biologics-manufacturing-development
#10
Kyle Zingaro, David Shaw, Jerry Carson, Anke Mayer-Bartschmid, Christian Bender, Christina Alves, Duncan McVey, Nan-Xin Quan, Quinxiang Wei, Mike Laird, Yuan Zhu, Robyn Emmins, John Follit, Alison Porter, Andrew J Racher, Sarah Milne, Ivan Carubelli, Zhimei Du, Ankita Khatri, Marilyne Failly, Herve Broly, Frank Lee, Matthew Reeser, Jared Spirel, Karin Anderson, Christine DeMaria, Jennifer Di-Carlo, John Gill, Amie Lundquist, Sampath R Kumar, Tony Gill
Monoclonality of mammalian cell lines used for production of biologics is a regulatory expectation and one of the attributes assessed as part of a larger process to ensure consistent quality of the biologic. Historically, monoclonality has been demonstrated through statistics generated from limiting dilution cloning or through verified flow cytometry methods. A variety of new technologies are now on the market with the potential to offer more efficient and robust approaches to generating and documenting a clonal cell line...
April 18, 2018: PDA Journal of Pharmaceutical Science and Technology
https://www.readbyqxmd.com/read/29660498/morphinome-database-the-database-of-proteins-altered-by-morphine-administration-an-update
#11
Anna Bodzon-Kulakowska, Tereza Padrtova, Anna Drabik, Joanna Ner-Kluza, Anna Antolak, Konrad Kulakowski, Piotr Suder
Morphine is considered a gold standard in pain treatment. Nevertheless, its use could be associated with severe side effects, including drug addiction. Thus, it is very important to understand the molecular mechanism of morphine action in order to develop new methods of pain therapy, or at least to attenuate the side effects of opioids usage. Proteomics allows for the indication of proteins involved in certain biological processes, but the number of items identified in a single study is usually overwhelming...
April 13, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29653458/-assessment-of-couples-communication-in-patients-with-advanced-cancer-validation-of-a-german-version-of-the-couple-communication-scale-ccs
#12
Martina Conrad, Dorit Engelmann, Michael Friedrich, Katharina Scheffold, Rebecca Philipp, Frank Schulz-Kindermann, Martin Härter, Anja Mehnert, Susan Koranyi
BACKGROUND: There are only a few valid instruments measuring couples' communication in patients with cancer for German speaking countries. The Couple Communication Scale (CCS) represents an established instrument to assess couples' communication. However, there is no evidence regarding the psychometric properties of the German version of the CCS until now and the assumed one factor structure of the CCS was not verified for patients with advanced cancer yet. METHOD: The CCS was validated as a part of the study "Managing cancer and living meaningfully" (CALM) on N=136 patients with advanced cancer (≥18 years, UICC-state III/IV)...
April 13, 2018: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/29650229/allergen-component-analysis-as-a-tool-in-the-diagnosis-and-management-of-occupational-allergy
#13
Monika Raulf
We are now in the epoch of "molecular allergology" and numerous clinically relevant allergenic molecules are available improving the performance of in vitro allergen tests and allergen detection methods. This review is focusing on characterized occupational allergens and their implementation into the in vitro diagnosis for occupational allergy and in allergen detection methods. More than 400 occupational agents are identified and documented as being 'respiratory sensitizers', but currently only a limited number of them are characterized on the molecular level and available for routine diagnosis as native or recombinant allergens...
April 9, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29626675/is-the-activity-of-cgrp-and-adrenomedullin-regulated-by-ramp-2-and-3-in-trypanosomatidae-an-in-silico-approach
#14
Anthony Febres, Oriana Vanegas, Michelle Giammarresi, Carlos Gomes, Emilia Díaz, Alicia Ponte-Sucre
The Calcitonin-Like Receptor (CLR) belongs to the classical seven-transmembrane segment molecules coupled to heterotrimeric G proteins. Its pharmacology depends on the simultaneous expression of the so-called Receptor Activity Modifier Proteins (RAMP-) -1, -2 and -3. RAMP-associated proteins modulate glycosylation and cellular traffic of CLR, therefore determining its pharmacodynamics. In higher eukaryotes, the complex formed by CLR and RAMP-1 is more akin to bind Calcitonin Gene-Related Peptide (CGRP), whereas those formed by CLR and RAMP-2 or RAMP-3, bind preferentially Adrenomedullin (AM)...
April 4, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29621912/effective-suppression-of-tumour-cells-by-oligoclonal-her2-targeted-delivery-of-liposomal-doxorubicin
#15
Alireza Farasat, Fatemeh Rahbarizadeh, Davoud Ahmadvand, Saeed Ranjbar, Shahryar Khoshtinat Nikkhoi
Synergistic effect of combined antibodies targeting distinct epitopes of a particular tumour antigen has encouraged some clinical trial studies and is now considered as an effective platform for cancer therapy. Providing several advantages over conventional antibodies, variable domain of heavy chain of heavy chain antibodies (VH H) is now major tools in diagnostic and therapeutic applications. Active targeting of liposomal drugs is a promising strategy, resulting in enhanced binding and improved cytotoxicity of tumour cells...
April 6, 2018: Journal of Liposome Research
https://www.readbyqxmd.com/read/29614990/improved-effects-of-honokiol-on-temozolomide-induced-autophagy-and-apoptosis-of-drug-sensitive-and-tolerant-glioma-cells
#16
Chung-Ching Chio, Kung-Yen Chen, Cheng-Kuei Chang, Jian-Ying Chuang, Chih-Chung Liu, Shing-Hwa Liu, Ruei-Ming Chen
BACKGROUND: Temozolomide (TMZ)-induced side effects and drug tolerance to human gliomas are still challenging issues now. Our previous studies showed that honokiol, a major bioactive constituent of Magnolia officinalis (Houpo), is safe for normal brain cells and can kill human glioma cells. This study was further aimed to evaluate the improved effects of honokiol and TMZ on drug-sensitive and -resistant glioma cells and the possible mechanisms. METHODS: TMZ-sensitive human U87-MG and murine GL261 glioma cells and TMZ-resistant human U87-MR-R9 glioma cells were exposed to honokiol and TMZ, and cell viability and LC50 of honokiol were assayed...
April 3, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29607015/an-analysis-of-the-energetic-reward-offered-by-field-bean-vicia-faba-flowers-nectar-pollen-and-operative-force
#17
Emily J Bailes, Jonathan G Pattrick, Beverley J Glover
Global consumption of crops with a yield that is dependent on animal pollinators is growing, with greater areas planted each year. However, the floral traits that influence pollinator visitation are not usually the focus of breeding programmes, and therefore, it is likely that yield improvements may be made by optimizing floral traits to enhance pollinator visitation rates. We investigated the variation present in the floral reward of the bee-pollinated crop Vicia faba (field bean). We examined the genetic potential for breeding flowers with a greater reward into current commercial varieties and used bee behavioral experiments to gain insight into the optimal nectar concentration to maximize bee preference...
March 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29584700/can-pulsed-electromagnetic-fields-trigger-on-demand-drug-release-from-high-tm-magnetoliposomes
#18
Martina Nardoni, Elena Della Valle, Micaela Liberti, Michela Relucenti, Maria Antonietta Casadei, Patrizia Paolicelli, Francesca Apollonio, Stefania Petralito
Recently, magnetic nanoparticles (MNPs) have been used to trigger drug release from magnetoliposomes through a magneto-nanomechanical approach, where the mechanical actuation of the MNPs is used to enhance the membrane permeability. This result can be effectively achieved with low intensity non-thermal alternating magnetic field (AMF), which, however, found rare clinic application. Therefore, a different modality of generating non-thermal magnetic fields has now been investigated. Specifically, the ability of the intermittent signals generated by non-thermal pulsed electromagnetic fields (PEMFS) were used to verify if, once applied to high-transition temperature magnetoliposomes (high-Tm MLs), they could be able to efficiently trigger the release of a hydrophilic model drug...
March 27, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29578166/the-effect-of-temperature-control-microwave-on-hela-and-mg-63-cells
#19
Zhenwei Ji, Yunlei Ma, Haien Zhao, Wei Li, Xiaoxiang Li, Zhe Yun, Guangyi Zhao, Baoan Ma, Qingyu Fan
Context: Hyperthermia has now been used to treat many kinds of solid malignancies. However, the applied thermal parameters about heat temperature and time varied all over the world, and no consensus about the optimal formula had been reached. Microwave ablation, as one of thermal ablation methods, is usually applied based on the fixed parameters of power and duration. As a result, too high temperature or overheating might not be avoided and excessive heating might cause some additional side effects to normal tissues...
2018: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29559592/emerging-roles-of-ozone-in-skin-diseases
#20
Xiaoqi Wang
Ozone was discovered in the mid-nineteenth century and is proven to have many therapeutic effects, including its common application as a disinfectant to kill microorganisms in various conditions. Ozone therapies have been utilized for various purposes ever since it was discovered. Extensive studies over a century have verified its therapeutic effects, consistency, and safety with minimal and preventable side effects in medical care. Emerging evidence revealed that ozone also plays important roles in the management and prevention of various skin disorders including infectious skin diseases, skin related allergic diseases, erythema scaly diseases, wound healing and ulcer recovery...
February 28, 2018: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
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