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Intrinsic Factor

Petra Bachour, Stephen T Sonis
PURPOSE OF REVIEW: The goals of this review are to describe the complexity of factors influencing the risk of cancer regimen-related mucosal injury (CRRMI), to evaluate the contribution of the innate immune response to CRRMI risk, to compare the concordance of genome analytics in describing mechanism and risk, and to determine if common biological pathways are noted when CRRMI is compared to a disease with a similar phenotype. RECENT FINDINGS: The pathogenesis of and risk for CRRMI are complex and influenced by multiple intrinsic and extrinsic factors...
March 14, 2018: Current Opinion in Supportive and Palliative Care
Huizhen Yao, Lai Liu, Zhuo Wang, Henan Li, Longlong Chen, Mei Er Pam, Weigang Chen, Hui Ying Yang, Wenjing Zhang, Yumeng Shi
Tungsten disulfide monolayers have attracted extensive attention in nanoelectronics and optoelectronics applications due to their remarkable electronic and optical properties. High-quality WS2 monolayers with a scalable size and uniform thickness can be synthesized by a chemical vapor deposition method (CVD). However, they commonly contain intrinsic structural defects and different populations of charge carriers, which are responsible for different contributions of excitons, trions, and biexcitons to their photoluminescence (PL) emission...
March 16, 2018: Nanoscale
Y P Tsui, Graham K Shea, Y S Chan, Daisy K Y Shum
Our goal is to derive phenotypically stable Schwann cells from bone marrow stromal cells (BMSCs) for use in transplantation studies of central/peripheral nerve injuries. With the adult rat as model, here we describe steps that foster (1) expansion of the BMSC subpopulation of neural progenitors as neurosphere cells, (2) differentiation of the progenitors into Schwann cell-like cells in adherent culture supplemented with soluble factors, and (3) cell-intrinsic switch of Schwann cell-like cells to the Schwann cell fate following co-culture with sensory neurons purified from dorsal root ganglia...
2018: Methods in Molecular Biology
Rokaya El Ansari, Madeleine L Craze, Maria Diez-Rodriguez, Christopher C Nolan, Ian O Ellis, Emad A Rakha, Andrew R Green
Breast cancer (BC) is a heterogeneous disease characterised by variant biology, metabolic activity and patient outcome. This study aimed to evaluate the biological and prognostic value of the membrane solute carrier, SLC3A2 in BC with emphasis on the intrinsic molecular subtypes. SLC3A2 was assessed at the genomic level, using METABRIC data (n = 1980), and at the proteomic level, using immunohistochemistry on tissue microarray (TMA) sections constructed from a large well-characterised primary BC cohort (n = 2500)...
March 16, 2018: British Journal of Cancer
Chiara Anna Parente, Domenico Salvatore, Giampiero Maria Gallo, Fabrizio Cipollini
BACKGROUND: In almost all healthcare systems, no-shows (scheduled appointments missed without any notice from patients) have a negative impact on waiting lists, costs and resource utilization, impairing the quality and quantity of cares that could be provided, as well as the revenues from the corresponding activity. Overbooking is a tool healthcare providers can resort to reduce the impact of no-shows. METHODS: We develop an overbooking algorithm, and we assess its effectiveness using two methods: an analysis of the data coming from a practical implementation in an healthcare center; a simulation experiment to check the robustness and the potential of the strategy under different conditions...
March 15, 2018: BMC Health Services Research
Zeynep Canan Özdemir, Yeter Düzenli Kar, Eren Gündüz, Ayşe Bozkurt Turhan, Özcan Bör
OBJECTIVE: Iron deficiency anemia (IDA) has been demonstrated to be a risk factor for thromboembolic events, although the pathogenesis of the development of thromboembolism in IDA is as yet unclear. The likelihood of children with IDA contracting hypercoagulability was evaluated in this cross-sectional study using rotational thromboelastometry (ROTEM). MATERIAL AND METHOD: A total of 57 children with IDA (median age 11 years; 37 female, 20 male) and 48 healthy children (median age 9...
March 15, 2018: Hematology (Amsterdam, Netherlands)
Andrea Torchi, Davide Bochicchio, Giovanni M Pavan
The rational design of supramolecular polymers that can adapt or respond in time to specific stimuli in controlled way is interesting for many applications, but this requires understanding the molecular factors that make the material faster or slower in responding to the stimulus. To this end, it is necessary to study the dynamic adaptive properties at submolecular resolution, which is difficult at experimental level. Here we show coarse-grained molecular dynamics simulations (<5Å resolution) demonstrating how the dynamic adaptivity and stimuli responsiveness of a supramolecular polymer is controlled by the intrinsic dynamics of the assembly, which is in turn determined by the structure of the monomers...
March 15, 2018: Journal of Physical Chemistry. B
Dorothea L Floris, Meng-Chuan Lai, Tanmay Nath, Michael P Milham, Adriana Di Martino
Background: The male predominance in the prevalence of autism spectrum disorder (ASD) has motivated research on sex differentiation in ASD. Multiple sources of evidence have suggested a neurophenotypic convergence of ASD-related characteristics and typical sex differences. Two existing, albeit competing, models provide predictions on such neurophenotypic convergence. These two models are testable with neuroimaging. Specifically, the Extreme Male Brain (EMB) model predicts that ASD is associated with enhanced brain maleness in both males and females with ASD (i...
2018: Molecular Autism
Girak Kim, Min Jeong Gu, Soo Ji Kim, Kwang Hyun Ko, Yoon-Chul Kye, Cheol Gyun Kim, Jae-Ho Cho, Woon-Kyu Lee, Ki-Duk Song, Hyuk Chu, Yeong-Min Park, Seung Hyun Han, Cheol-Heui Yun
γδ T cells, known to be an important source of innate IL-17 in mice, provide critical contributions to host immune responses. Development and function of γδ T cells are directed by networks of diverse transcription factors (TFs). Here, we examine the role of the zinc finger TFs, Kruppel-like factor 10 (KLF10), in the regulation of IL-17-committed CD27- γδ T (γδ27- -17) cells. We found selective augmentation of Vγ4+ γδ27- cells with higher IL-17 production in KLF10-deficient mice. Surprisingly, KLF10-deficient CD127hi Vγ4+ γδ27- -17 cells expressed higher levels of CD5 than their wild-type counterparts, with hyper-responsiveness to cytokine, but not T-cell receptor, stimuli...
2018: Frontiers in Immunology
Changqing Lu, Lihua Dong, Hui Zhou, Qianmei Li, Guojiao Huang, Shu Jun Bai, Linchuan Liao
Oligodendrocytes are the myelin-producing cells of the central nervous system (CNS). A variety of brain disorders from "classical" demyelinating diseases, such as multiple sclerosis, stroke, schizophrenia, depression, Down syndrome and autism, are shown myelination defects. Oligodendrocyte myelination is regulated by a complex interplay of intrinsic, epigenetic and extrinsic factors. Gpr17 (G protein-coupled receptor 17) is a G protein-coupled receptor, and has been identified to be a regulator for oligodendrocyte development...
March 14, 2018: Scientific Reports
Andoni Ramirez-Garcia, Aize Pellon, Aitor Rementeria, Idoia Buldain, Eliana Barreto-Bergter, Rodrigo Rollin-Pinheiro, Jardel Vieira de Meirelles, Mariana Ingrid D S Xisto, Stephane Ranque, Vladimir Havlicek, Patrick Vandeputte, Yohann Le Govic, Jean-Philippe Bouchara, Sandrine Giraud, Sharon Chen, Johannes Rainer, Ana Alastruey-Izquierdo, Maria Teresa Martin-Gomez, Leyre M López-Soria, Javier Peman, Carsten Schwarz, Anne Bernhardt, Kathrin Tintelnot, Javier Capilla, Adela Martin-Vicente, Jose Cano-Lira, Markus Nagl, Michaela Lackner, Laszlo Irinyi, Wieland Meyer, Sybren de Hoog, Fernando L Hernando
Species of Scedosporium and Lomentospora are considered as emerging opportunists, affecting immunosuppressed and otherwise debilitated patients, although classically they are known from causing trauma-associated infections in healthy individuals. Clinical manifestations range from local infection to pulmonary colonization and severe invasive disease, in which mortality rates may be over 80%. These unacceptably high rates are due to the clinical status of patients, diagnostic difficulties, and to intrinsic antifungal resistance of these fungi...
April 1, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
Edwin Tapiwa Chamanga
Chronic wounds are defined as those that have failed to heal after three months. There are various intrinsic and extrinsic factors that may result in the development of chronic wounds, including comorbidities such as diabetes mellitus and venous insufficiency, and lifestyle factors such as obesity, alcohol consumption and smoking. Chronic wounds represent a significant burden on healthcare resources and can have a negative effect on patients' quality of life. This article discusses the assessment and treatment of non-healing chronic wounds...
March 14, 2018: Nursing Standard
S D Gregory, J D Armstrong, J R Britton
A general framework is presented that should enhance our understanding of how intrinsic factors, such as body size, and extrinsic factors, such as climate, affect the dynamics and demographics of fish populations. Effects of intrinsic factors, notably studies relating juvenile Atlantic salmon Salmo salar body size to their probability to return as an adult, are often context-dependent and anecdotal, due to data constraints. By merit of its flexible specification, this framework should admit datasets with a range of situation-specific nuances, collected using different approaches, and thereby deliver more general and robust findings for more effective population management...
March 2018: Journal of Fish Biology
Adegbenro Omotuyi John Fakoya, David Adeiza Otohinoyi, Francis Adelade Fakoya
Background: Most studies have focused on ill-tendons with a little insight on how intrinsic factors correlate with the Achilles tendon (AT) morphology. Aim: This study aims at establishing how blood pressure (BP), blood glucose (BG), and body mass index (BMI) correlate with the morphology of the AT with emphasis on width changes. Materials and Methods: Participants were volunteers who were recruited during and after an organized health fair by the Medical Students' body of All Saints University, School of Medicine, Commonwealth of Dominica...
April 2018: Annals of African Medicine
Melissa Lo Monaco, Greet Merckx, Jessica Ratajczak, Pascal Gervois, Petra Hilkens, Peter Clegg, Annelies Bronckaers, Jean-Michel Vandeweerd, Ivo Lambrichts
Due to the restricted intrinsic capacity of resident chondrocytes to regenerate the lost cartilage postinjury, stem cell-based therapies have been proposed as a novel therapeutic approach for cartilage repair. Moreover, stem cell-based therapies using mesenchymal stem cells (MSCs) or induced pluripotent stem cells (iPSCs) have been used successfully in preclinical and clinical settings. Despite these promising reports, the exact mechanisms underlying stem cell-mediated cartilage repair remain uncertain. Stem cells can contribute to cartilage repair via chondrogenic differentiation, via immunomodulation, or by the production of paracrine factors and extracellular vesicles...
2018: Stem Cells International
Sonja Oehmcke-Hecht, Juliane Köhler
The name human contact system is related to its mode of action, as "contact" with artificial negatively charged surfaces triggers its activation. Today, it is generally believed that the contact system is an inflammatory response mechanism not only against artificial material but also against misfolded proteins and foreign organisms. Upon activation, the contact system is involved in at least two distinct (patho)physiologic processes: i . the trigger of the intrinsic coagulation via factor XI and ii ...
2018: Frontiers in Immunology
Mao-Chi Weng, Mei-Hui Wang, Jai-Jen Tsai, Yu-Cheng Kuo, Yu-Chang Liu, Fei-Ting Hsu, Hsin-Ell Wang
Regorafenib has been demonstrated in our previous study to trigger apoptosis through suppression of extracellular signal-regulated kinase (ERK)/nuclear factor-κB (NF-κB) activation in hepatocellular carcinoma (HCC) SK-Hep1 cells in vitro However, the effect of regorafenib on NF-κB-modulated tumor progression in HCC in vivo is ambiguous. The aim of the present study is to investigate the effect of regorafenib on NF-κB-modulated tumor progression in HCC bearing mouse model. pGL4.50 luciferase reporter vector transfected SK-Hep1 (SK-Hep1/ luc2 ) and Hep3B 2...
March 13, 2018: Bioscience Reports
Kiyoshi Takagi, Yasuhiro Miki, Yoshiaki Onodera, Takanori Ishida, Mika Watanabe, Hironobu Sasano, Takashi Suzuki
Rho GTPase activating protein 15 (ARHGAP15) is a recently identified GTPase activating protein which enhances intrinsic hydrolysis of GTP-bound Ras-related C3 botulinus toxin substrate (Rac1), resulting in inactivation of Rac1. Although a lot of studies have pointed out the pivotal roles of the Rac1 pathway in the progression of breast carcinomas, the clinical significance of ARHGAP15 has remained largely unknown in human breast carcinomas. Therefore, we immunolocalized ARHGAP15 in one hundred breast carcinoma tissues...
March 10, 2018: International Journal of Molecular Sciences
Myungchul Song, Kyunghee Song, Sunghee Kim, Jinyoung Lee, Sueyun Hwang, Chingtack Han
Caenorhabditis elegans C09F5.1 is a nematode-specific gene that encodes a type II transmembrane protein containing the BRICHOS domain. The gene was isolated as a heat-sensitive mutant, but the function of the protein remained unclear. We examined the expression pattern and subcellular localization of C09F5.1 as well as its roles in thermotolerance and chaperone function. Expression of C09F5.1 under heat shock conditions was induced in a heat shock factor 1 (HSF-1)-dependent manner. However, under normal growth conditions, most cells types exposed to mechanical stimuli expressed C09F5...
March 13, 2018: Genes
Liwei Xie, Amelia Yin, Anna S Nichenko, Aaron M Beedle, Jarrod A Call, Hang Yin
The remarkable regeneration capability of skeletal muscle depends on coordinated proliferation and differentiation of satellite cells. The self-renewal of satellite cells is critical for long-term maintenance of muscle regeneration potential. Hypoxia profoundly affects the proliferation, differentiation, and self-renewal of cultured myoblasts. However, the physiological relevance of hypoxia and hypoxia signaling in satellite cells in vivo remains largely unknown. Here, we report that satellite cells are in an intrinsic hypoxic state in vivo and express hypoxia-inducible factor 2A (HIF2A)...
March 13, 2018: Journal of Clinical Investigation
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