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https://www.readbyqxmd.com/read/28822288/two-sides-of-the-coin-part-2-colloid-and-surface-science-meets-real-biointerfaces
#1
Barry W Ninham, Kåre Larsson, Pierandrea Lo Nostro
Part 1 revisited developments in lipid and surfactant self assembly over the past 40 years [1]. New concepts emerged. Here we explore how these developments can be used to make sense of and bring order to a range of complex biological phenomena. Together with Part 1, this contribution is a fundamental revision of intuition at the boundaries of Colloid Science and Biological interfaces from a perspective of nearly 50 years. We offer new insights on a unified treatment of self assembly of lipids, surfactants and proteins in the light of developments presented in Part 1...
August 5, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28822054/utility-and-comparative-efficacy-of-recombinant-allergens-versus-allergen-extract
#2
REVIEW
Hardik D Patel, Jeffrey M Chambliss, Meera R Gupta
Allergy immunotherapy (AIT) is the only disease-modifying therapy for the treatment of allergic diseases. Although its efficacy and utility are well-established, the potential for serious adverse events, cumbersome and lengthy treatment protocols, and variability of natural allergen preparations have limited its widespread application. Recent advances in recombinant technology have opened new avenues for the development of AIT vaccines. The purpose of this review is to highlight recent evidence on the use of novel recombinant vaccines and review the mechanisms, efficacy, safety, and limitations of AIT...
August 18, 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28822051/new-basal-insulins-a-clinical-perspective-of-their-use-in-the-treatment-of-type-2-diabetes-and-novel-treatment-options-beyond-basal-insulin
#3
REVIEW
Patrick F Frias, Juan Pablo Frias
PURPOSE OF REVIEW: The purpose of this review was to review advances in basal insulin formulations and new treatment options for patients with type 2 diabetes not achieving glycemic targets despite optimized basal insulin therapy. RECENT FINDINGS: Advances in basal insulin formulations have resulted in products with increasingly favorable pharmacokinetic and pharmacodynamic properties, including flatter, peakless action profiles, less inter- and intra-patient variability, and longer duration of activity...
August 18, 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28822031/advances-in-the-management-of-thyroid-eye-diseases-an-overview
#4
REVIEW
Rashmi Kumari, Bhawesh Chandra Saha
INTRODUCTION: Thyroid eye disease (TED) remains a notorious ailment for both patients and the treating ophthalmologists. Recent years have witnessed considerable research in the immunopathogenic mechanism of TED that has resulted in an expansion and modification of the available management options. AIM: Purpose of this review is to summarise the advances in the management of thyroid ophthalmopathy. MATERIAL AND METHOD: A thorough literature search and of the past 10 years web search with words Thyroid ophthalmopathy, recent, advances...
August 18, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28822012/mtor-co-targeting-strategies-for-head-and-neck-cancer-therapy
#5
Zhiyong Wang, Juan Callejas Valera, Xuefeng Zhao, Qianming Chen, J Silvio Gutkind
Head and neck squamous cell carcinoma (HNSCC) is the sixth most common malignancy worldwide. There is an urgent need to develop effective therapeutic approaches to prevent and treat HNSCC. Recent deep sequencing of the HNSCC genomic landscape revealed a multiplicity and diversity of genetic alterations in this malignancy. Although a large variety of specific molecules were found altered in each individual tumor, they all participate in only a handful of driver signaling pathways. Among them, the PI3K/mTOR pathway is the most frequently activated, which plays a central role in cancer initiation and progression...
August 18, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28821993/segmentation-of-breast-ultrasound-images-based-on-active-contours-using-neutrosophic-theory
#6
Mahsa Lotfollahi, Masoumeh Gity, Jing Yong Ye, A Mahlooji Far
PURPOSE: Ultrasound imaging is an effective approach for diagnosing breast cancer, but it is highly operator-dependent. Recent advances in computer-aided diagnosis have suggested that it can assist physicians in diagnosis. Definition of the region of interest before computer analysis is still needed. Since manual outlining of the tumor contour is tedious and time-consuming for a physician, developing an automatic segmentation method is important for clinical application. METHODS: The present paper represents a novel method to segment breast ultrasound images...
August 18, 2017: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/28821988/presentation-and-management-of-symptomatic-central-bone-cement-embolization
#7
Ahmed Samir Barakat, Tamer Owais, Mohamed Alhashash, Mootaz Shousha, Hesham El Saghir, Bernward Lauer, Heinrich Boehm
BACKGROUND CONTEXT: With more cement augmentation procedures done, the occurrence of serious complications is also expected to rise. Symptomatic central cement embolization is a rare but very serious complication. Moreover, the pathophysiology and treatment of intrathoracic cement embolism remain controversial. PURPOSE: In this case series, we are trying to identify various presentations and suggest our emergent management scheme for symptomatic central cement embolization...
August 18, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28821843/broadband-polarization-conversion-with-anisotropic-plasmonic-metasurfaces
#8
Wei Cao, Xiaodong Yang, Jie Gao
Metasurfaces offer exciting opportunities that enable precise control of light propagation, optical intensity, phase and polarization. Plasmonic metasurface based quarter-wave plates have been recently studied to realize the conversion between linear polarization and circular polarization. However, it is still quite challenging to directly measure the birefringent phase retardation introduced by metasurface wave plates with a reliable technique. Here, we report a high-performance broadband metasurface quarter-wave plate made of anisotropic T-shaped plasmonic antennas in near-infrared wavelength range, where the achromatic nearly 90° transmitted phase retardation through the metasurface is precisely characterized with an optical vortex based interferometric approach...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821840/antiviral-properties-of-resveratrol-against-pseudorabies-virus-are-associated-with-the-inhibition-of-i%C3%AE%C2%BAb-kinase-activation
#9
Xinghong Zhao, Qiankun Cui, Qiuting Fu, Xu Song, Renyong Jia, Yi Yang, Yuanfeng Zou, Lixia Li, Changliang He, Xiaoxia Liang, Lizi Yin, Juchun Lin, Gang Ye, Gang Shu, Ling Zhao, Fei Shi, Cheng Lv, Zhongqiong Yin
Pseudorabies virus (PRV) is a pathogen of swine resulting in devastating disease and economic losses worldwide. Resveratrol (Res) exhibits inhibitory activity against a wide range of viruses. Despite these important advances, the molecular mechanism(s) by which Res exerts its broad biological effects have not yet been elucidated. In this paper, the antiviral activity of Res against PRV and its mechanism of action were investigated. The results showed that Res potently inhibited PRV replication in a dose-dependent manner, with a 50% inhibition concentration of 17...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821747/the-integration-of-g%C3%AE-and-mapk-signaling-cascade-in-zygote-development
#10
Guo-Liang Yuan, Hong-Ju Li, Wei-Cai Yang
Cells respond to many signals with a limited number of signaling components. Heterotrimeric G proteins and MAPK cascades are universally used by eukaryotic cells to transduce signals in various developmental processes or stress responses by activating different effectors. MAPK cascade is integrated with G proteins by scaffold protein during plant immunity. However, the molecular relationship between G proteins and MAPK modules in plant development is still unclear. In this study, we demonstrate that Arabidopsis Gβ protein AGB1 interacts with MPK3 and 6, MKK4 and 5, as well as the regulatory domains of YODA (YDA), the upstream MEKK of MKK4/5...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821714/gadd45a-plays-a-protective-role-against-temozolomide-treatment-in-glioblastoma-cells
#11
Hsiao-Han Wang, Tsuey-Yu Chang, Wei-Chen Lin, Kuo-Chen Wei, Jyh-Wei Shin
Glioblastoma multiforme (GBM) is one of the most aggressive cancers. Despite recent advances in multimodal therapies, high-grade glioma remains fatal. Temozolomide (TMZ) is an alkylating agent used worldwide for the clinical treatment of GBM; however, the innate and acquired resistance of GBM limits its application. Here, we found that TMZ inhibited the proliferation and induced the G2/M arrest of GBM cells. Therefore, we performed microarrays to identify the cell cycle- and apoptosis-related genes affected by TMZ...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821005/anticonvulsant-effect-of-cannabidiol-in-the-pentylenetetrazole-model-pharmacological-mechanisms-electroencephalographic-profile-and-brain-cytokine-levels
#12
Luciano R Vilela, Isabel V Lima, Érica B Kunsch, Hyorrana Priscila P Pinto, Aline S de Miranda, Érica Leandro M Vieira, Antônio Carlos P de Oliveira, Marcio Flávio D Moraes, Antônio L Teixeira, Fabricio A Moreira
Cannabidiol (CBD), the main nonpsychotomimetic compound from Cannabis sativa, inhibits experimental seizures in animal models and alleviates certain types of intractable epilepsies in patients. Its pharmacological profile, however, is still uncertain. Here we tested the hypothesis that CBD anticonvulsant mechanisms are prevented by cannabinoid (CB1 and CB2) and vanilloid (TRPV1) receptor blockers. We also investigated its effects on electroencephalographic (EEG) activity and hippocampal cytokines in the pentylenetetrazole (PTZ) model...
August 15, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28820744/simulation-of-morphologically-structured-photo-thermal-neural-stimulation
#13
Y Weissler, N Farah, S Shoham
OBJECTIVE: Rational design of next-generation techniques for photo-thermal excitation requires the development of tools capable of modeling the effects of spatially- and temporally-dependent temperature distribution on cellular neuronal structures. APPROACH: We present a new computer simulation tool for predicting the effects of arbitrary spatiotemporally-structured photo-thermal stimulation on 3D, morphologically realistic neurons. The new simulation tool is based on interfacing two generic platforms, NEURON and MATLAB and is therefore suited for capturing different kinds of stimuli and neural models...
August 18, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28820622/latent-growth-curve-modeling-of-non-injection-drug-use-and-condomless-sexual-behavior-from-ages-18-to-21-in-gay-bisexual-and-other-ymsm-the-p18-cohort-study
#14
Perry N Halkitis, Kristen Bub, Christopher B Stults, Francesca C Bates, Farzana Kapadia
BACKGROUND: HIV/AIDS continues to be a health disparity faced by sexual minority men, and is exacerbated by non-injection drug use. OBJECTIVES: We sought to delineate growth in non-injection drug use and condomless sex in a sample of racially and economically diverse of gay, bisexual, and other young men who have sex with men (YMSM) as they emerged into adulthood between the ages of 18 and 21 and who came of age in the post-HAART era. METHODS: Behavioral data on drug use and condomless sex, collected via a calendar based technique over 7 waves of a cohort study of 600 YMSM, were analyzed using latent growth curve modeling to document patterns of growth in these behaviors, their associations, and the extent to which patterns and associations are moderated by race/ethnicity and socioeconomic status...
August 18, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28820506/physiological-and-ecological-implications-of-an-iron-or-hydrogen-oxidizing-member-of-the-zetaproteobacteria-ghiorsea-bivora-gen-nov-sp-nov
#15
Jiro F Mori, Jarrod J Scott, Kevin W Hager, Craig L Moyer, Kirsten Küsel, David Emerson
Chemosynthetic Fe-oxidizing communities are common at diffuse-flow hydrothermal vents throughout the world's oceans. The foundational members of these communities are the Zetaproteobacteria, a class of Proteobacteria that is primarily associated with ecosystems fueled by ferrous iron, Fe(II). We report here the discovery of two new isolates of Zetaproteobacteria isolated from the Mid-Atlantic Ridge (TAG-1), and the Mariana back-arc (SV-108), that are unique in that they can utilize either Fe(II) or molecular hydrogen (H2) as sole electron donor and oxygen as terminal electron acceptor for growth...
August 18, 2017: ISME Journal
https://www.readbyqxmd.com/read/28820222/quasi-zero-dimensional-cobalt-doped-ceo2-dots-on-pd-catalysts-for-alcohol-electro-oxidation-with-enhanced-poisoning-tolerance
#16
Qiang Tan, Haiyan Zhu, Shengwu Guo, Yuanzhen Chen, Tao Jiang, Chengyong Shu, Shaokun Chong, Benjamin Hultman, Yongning Liu, Gang Wu
Deactivation of an anode catalyst resulting from the poisoning of COad-like intermediates is one of the major problems for methanol and ethanol electro-oxidation reactions (MOR & EOR), and remains a grand challenge towards achieving high performance for direct alcohol fuel cells (DAFCs). Herein, we report a new approach for the preparation of ultrafine cobalt-doped CeO2 dots (Co-CeO2, d = 3.6 nm), which can be an effective anti-poisoning promoter for Pd catalysts towards MOR and EOR in alkaline media. Compared to Pd/CeO2 and pure Pd, the hybrid Pd/Co-CeO2 nanocomposite catalyst exhibited a much enhanced activity and remarkable anti-poisoning ability for both MOR and EOR...
August 18, 2017: Nanoscale
https://www.readbyqxmd.com/read/28820183/technique-of-retinal-gene-therapy-delivery-of-viral-vector-into-the-subretinal-space
#17
K Xue, M Groppe, A P Salvetti, R E MacLaren
PurposeSafe and reproducible delivery of gene therapy vector into the subretinal space is essential for successful targeting of the retinal pigment epithelium (RPE) and photoreceptors. The success of surgery is critical for the clinical efficacy of retinal gene therapy. Iatrogenic detachment of the degenerate (often adherent) retina in patients with hereditary retinal degenerations and small volume (eg, 0.1 ml) subretinal injections pose new surgical challenges.MethodsOur subretinal gene therapy technique involved pre-operative planning with optical coherence tomography (OCT) and autofluorescence (AF) imaging, 23 G pars plana vitrectomy, internal limiting membrane staining with Membrane Blue Dual (DORC BV, Zuidland, Netherlands), a two-step subretinal injection using a 41 G Teflon tipped cannula (DORC) first with normal saline to create a parafoveal bleb followed by slow infusion of viral vector via the same self-sealing retinotomy...
August 18, 2017: Eye
https://www.readbyqxmd.com/read/28819638/connecting-androgen-receptor-signaling-and-the-dna-damage-response-development-of-new-therapies-for-advanced-prostate-cancer
#18
Timothy C Thompson, Likun Li
Androgen receptor-mediated cell signaling involves complex molecular pathways that are interconnected with DNA damage response, including replication stress-driven DNA repair. Understanding the relationships between androgen receptor signaling and DNA damage response at the molecular level will likely lead to novel and effective combination therapy for advanced prostate cancer.
2017: Molecular & Cellular Oncology
https://www.readbyqxmd.com/read/28819584/the-recent-advances-on-liver-cancer-stem-cells-biomarkers-separation-and-therapy
#19
REVIEW
Yanhong Xiao, Mei Lin, Xingmao Jiang, Jun Ye, Ting Guo, Yujuan Shi, Xuefeng Bian
As the third major reason of mortality related to cancer in the world, liver cancer is also the fifth most frequent cancer. Unluckily, a majority of patients succumb and relapse though many progresses have been made in detection and therapy of liver cancer. It has been put forward that in liver cancer, cancer stem cells (CSCs) hold main responsibility for the formation, invasion, metastasis, and recurrence of tumor. Strategies that are intended to target liver CSCs are playing a more and more significant role in supervising the development of liver cancer treatment and assessing new therapeutic methods...
2017: Analytical Cellular Pathology (Amsterdam)
https://www.readbyqxmd.com/read/28819520/the-ban-on-blood-donation-on-men-who-have-sex-with-men-time-to-rethink-and-reassess-an-outdated-policy
#20
Georgios Karamitros, Nikolaos Kitsos, Ioanna Karamitrou
During the 1980s the HIV/AIDS epidemic outbreak occurred. Due to the high prevalence of the disease on men who had sex with men (MSM) a lifetime ban on blood donations on men who had sex with men (MSM) was implemented. In the recent years, organizations like the European Union (EU) and the World Health Organization (WHO) have established new guidelines introducing the term of "risky sexual behavior" without any reference to the sex orientation of the potential donor, however many countries are hesitant to review the ban on men who had sex with men (MSM)...
2017: Pan African Medical Journal
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