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https://www.readbyqxmd.com/read/28636235/stem-cell-based-tooth-and-periodontal-regeneration
#1
Lei Hu, Yi Liu, Songlin Wang
Currently regeneration of tooth and periodontal damage still remains great challenge. Stem cell-based tissue engineering raised novel therapeutic strategies for tooth and periodontal repair. Stem cells for tooth and periodontal regeneration include dental pulp stem cells (DPSCs), periodontal ligament stem cells (PDLSCs), stem cells from the dental apical papilla (SCAPs), and stem cells from human exfoliated deciduous teeth (SHEDs), dental follicle stem cells (DFSCs), dental epithelial stem cells (DESCs), bone marrow mesenchymal stem cells (BMMSCs), adipose-derived stem cells (ADSCs), embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs)...
June 21, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28636211/resolution-of-donor-non-alcoholic-fatty-liver-disease-following-liver-transplantation
#2
Andrew D Posner, Samuel T Sultan, Norann A Zaghloul, William S Twaddell, David A Bruno, Steven I Hanish, William R Hutson, Laci Hebert, Rolf N Barth, John C LaMattina
INTRODUCTION: Transplant surgeons conventionally select against livers displaying high degrees (>30%) of macrosteatosis (MaS), out of concern for primary non-function or severe graft dysfunction. As such, there is relatively limited experience with such livers, and the natural history remains incompletely characterized. We present our experience of transplanted livers with high degrees of MaS and microsteatosis (MiS), with a focus on the histopathologic and clinical outcomes. METHODS: 29 cases were identified with liver biopsies available from both the donor and the corresponding liver transplant recipient...
June 21, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28636189/discovery-of-alkyl-bis-oxy-dibenzimidamide-derivatives-as-novel-protein-arginine-methyltransferase-1-prmt1-inhibitors
#3
Wei-Yao Zhang, Wen-Chao Lu, Hao Jiang, Zheng-Bing Lv, Yi-Qian Xie, Fu-Lin Lian, Zhong-Jie Liang, Yu-Xi Jiang, Da-Jin Wang, Cheng Luo, Jia Jin, Fei Ye
Protein arginine methylation, a post-translational modification critical for a variety of biological processes, is catalyzed by protein arginine N-methyltransferases (PRMTs). In particular, PRMT1 is responsible for over 85% of the arginine methylation in mammalian cells. Dysregulation of PRMT1 is involved in diverse pathological diseases including cancers. However, most current PRMT1inhibitors are lack of specificity, efficacy, and bioavailability. Herein, a series of alkyl bis(oxy)dibenzimidamide derivatives were identified as selective PRMT1 inhibitors...
June 21, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28636161/infinity-sperm-storage-the-gift-that-keeps-on-giving
#4
Gauthier Schang, Beatriz Fernandez-Fuertes, Samantha C Lean, Alexandra L Nguyen, Osvaldo Bogado Pascottini
Female Drosophila retain sperm for up to two weeks post-copulation in a network of storage organs includng the bursa, the seminal receptacle, and the spermathecae. This image shows the seminal receptacle of a Drosophila melanogaster female, 2-hrs post-copulation between a LHM (wild-type) female with a Protamine B (green), β-Tubulin (blue) fluorescently tagged male, whose sperm can be visualized within the female. This 'infinity' structure of the seminal receptacle resembles the tubular coil that allows for the storage of very long sperm relative to female body size -up to 20 times the length of the female in some Drosophila species...
June 21, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28636108/understanding-the-influences-and-impact-of-patient-clinician-communication-in-cancer-care
#5
Jennifer Elston Lafata, Laura A Shay, Jodi M Winship
BACKGROUND: Patient-clinician communication is thought to be central to care outcomes, but when and how communication affects patient outcomes is not well understood. OBJECTIVE: We propose a conceptual model and classification framework upon which the empirical evidence base for the impact of patient-clinician communication can be summarized and further built. DESIGN: We use the proposed model and framework to summarize findings from two recent systematic reviews, one evaluating the use of shared decision making (SDM) on cancer care outcomes and the other evaluating the role of physician recommendation in cancer screening use...
June 21, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28636063/solving-interoperability-in-translational-health-perspectives-of-students-from-the-international-partnership-in-health-informatics-education-iphie-2016-master-class
#6
Anne M Turner, Julio C Facelli, Monique Jaspers, Thomas Wetter, Daniel Pfeifer, Laël Cranmer Gatewood, Terry Adam, Yu-Chuan Li, Ming-Chin Lin, R Scott Evans, Anna Beukenhorst, Hugo Johan Theodoore van Mens, Esmee Tensen, Christian Bock, Laura Fendrich, Peter Seitz, Julian Suleder, Ranyah Aldelkhyyel, Kent Bridgeman, Zhen Hu, Aaron Sattler, Shin-Yi Guo, Islam Md Mohaimenul Mohaimenul, Dina Nur Anggraini Ningrum, Hsin-Ru Tung, Jiantano Bian, Joseph M Plasek, Casey Rommel, Juandalyn Burke, Harkirat Sohih
BACKGROUND: In the summer of 2016 an international group of biomedical and health informatics faculty and graduate students gathered for the 16th meeting of the International Partnership in Health Informatics Education (IPHIE) masterclass at the University of Utah campus in Salt Lake City, Utah. This international biomedical and health informatics workshop was created to share knowledge and explore issues in biomedical health informatics (BHI). OBJECTIVE: The goal of this paper is to summarize the discussions of biomedical and health informatics graduate students who were asked to define interoperability, and make critical observations to gather insight on how to improve biomedical education...
June 20, 2017: Applied Clinical Informatics
https://www.readbyqxmd.com/read/28635594/translation-repression-via-modulation-of-the-cytoplasmic-poly-a-binding-protein-in-the-inflammatory-response
#7
Xu Zhang, Xiaoli Chen, Qiuying Liu, Shaojie Zhang, Wenqian Hu
Gene expression is precisely regulated during the inflammatory response to control infection and limit the detrimental effects of inflammation. Here, we profiled global mRNA translation dynamics in the mouse primary macrophage-mediated inflammatory response and identified hundreds of differentially translated mRNAs. These mRNAs' 3'UTRs have enriched binding motifs for several RNA-binding proteins, which implies extensive translational regulatory networks. We characterized one such protein, Zfp36, as a translation repressor...
June 21, 2017: ELife
https://www.readbyqxmd.com/read/28635313/reliability-and-validity-of-the-chinese-version-of-the-breathlessness-beliefs-questionnaire
#8
Qing Wu, AiMin Guo, YanWei Zhao, SiJia Li, Hui Huang
The aim of this article is to evaluate the reliability and validity of the Chinese version of the Breathlessness Beliefs Questionnaire (BBQ) for use among patients with respiratory diseases in China. The BBQ is an instrument for assessing specific dyspnoea-related fears and may have predictive value for chronic obstructive pulmonary disease outcomes beyond general anxiety measures. This instrument has not previously been translated into Chinese or tested in mainland China. This was a cross-sectional validation study with a 1-week test of reproducibility...
January 1, 2017: Chronic Respiratory Disease
https://www.readbyqxmd.com/read/28634765/a-450-year-old-turkish-poem-on-medical-ethics
#9
REVIEW
Halil Tekiner
The Ottoman physician-poet Nidai of Ankara (1509 to post-1567) studied medicine in Crimea and served as a court physician in Istanbul during the reign of Sultan Selim II. Nidai marked the classical period of Ottoman medicine particularly with his acclaimed works and translations in Turkish, among which Manafi al-Nas (Benefits of People, 1566) became widely known. The final chapter of Manafi al-Nas also is known independently under the name Vasiyyetname (Last Will), which is a remarkable guide on medical ethics...
June 20, 2017: Journal of Bioethical Inquiry
https://www.readbyqxmd.com/read/28634681/microtubule-affinity-regulating-kinases-are-potential-druggable-targets-for-alzheimer-s-disease
#10
REVIEW
Narendran Annadurai, Khushboo Agrawal, Petr Džubák, Marián Hajdúch, Viswanath Das
Alzheimer's disease (AD) is a progressive neurodegenerative disorder that affects normal functions of the brain. Currently, AD is one of the leading causes of death in developed countries and the only one of the top ten diseases without a means to prevent, cure, or significantly slow down its progression. Therefore, newer therapeutic concepts are urgently needed to improve survival and the quality of life of AD patients. Microtubule affinity-regulating kinases (MARKs) regulate tau-microtubule binding and play a crucial role in neurons...
June 20, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28634583/circular-rnas-biogenesis-function-and-role-in-human-diseases
#11
REVIEW
John Greene, Anne-Marie Baird, Lauren Brady, Marvin Lim, Steven G Gray, Raymond McDermott, Stephen P Finn
Circular RNAs (circRNAs) are currently classed as non-coding RNA (ncRNA) that, unlike linear RNAs, form covalently closed continuous loops and act as gene regulators in mammals. They were originally thought to represent errors in splicing and considered to be of low abundance, however, there is now an increased appreciation of their important function in gene regulation. circRNAs are differentially generated by backsplicing of exons or from lariat introns. Unlike linear RNA, the 3' and 5' ends normally present in an RNA molecule have been joined together by covalent bonds leading to circularization...
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28634482/whole-plant-temperature-manipulation-affects-flavonoid-metabolism-and-the-transcriptome-of-grapevine-berries
#12
Chiara Pastore, Silvia Dal Santo, Sara Zenoni, Nushin Movahed, Gianluca Allegro, Gabriele Valentini, Ilaria Filippetti, Giovanni Battista Tornielli
Among environmental factors, temperature is the one that poses serious threats to viticulture in the present and future scenarios of global climate change. In this work, we evaluated the effects on berry ripening of two thermal regimes, imposed from veraison to harvest. Potted vines were grown in two air-conditioned greenhouses with High Temperature (HT) and Low Temperature (LT) regimes characterized by 26 and 21°C as average and 42 and 35°C as maximum air daily temperature, respectively. We conducted analyses of the main berry compositional parameters, berry skin flavonoids and berry skin transcriptome on HT and LT berries sampled during ripening...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28634443/the-narrow-abdomen-ion-channel-complex-is-highly-stable-and-persists-from-development-into-adult-stages-to-promote-behavioral-rhythmicity
#13
Devon L Moose, Stephanie J Haase, Benjamin T Aldrich, Bridget C Lear
The sodium leak channel NARROW ABDOMEN (NA)/ NALCN is an important component of circadian pacemaker neuronal output. In Drosophila, rhythmic expression of the NA channel regulator Nlf-1 in a subset of adult pacemaker neurons has been proposed to contribute to circadian regulation of channel localization or activity. Here we have restricted expression of Drosophila NA channel subunits or the Nlf-1 regulator to either development or adulthood using the temperature-inducible tubulin-GAL80(ts) system. Surprisingly, we find that developmental expression of endogenous channel subunits and Nlf-1 is sufficient to promote robust rhythmic behavior in adults...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28634440/cysteines-as-redox-molecular-switches-and-targets-of-disease
#14
REVIEW
Annamaria Fra, Edgar D Yoboue, Roberto Sitia
Thiol groups can undergo numerous modifications, making cysteine a unique molecular switch. Cysteine plays structural and regulatory roles as part of proteins or glutathione, contributing to maintain redox homeostasis and regulate signaling within and amongst cells. Not surprisingly therefore, cysteines are associated with many hereditary and acquired diseases. Mutations in the primary protein sequence (gain or loss of a cysteine) are most frequent in membrane and secretory proteins, correlating with the key roles of disulfide bonds...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28634284/co-administration-of-rankl-and-ctla4-antibodies-enhances-lymphocyte-mediated-anti-tumor-immunity-in-mice
#15
Elizabeth Ahern, Heidi Harjunpaa, Deborah Barkauskas, Stacey Allen, Kazuyoshi Takeda, Hideo Yagita, David Wyld, William C Dougall, Michele W L Teng, Mark J Smyth
Purpose: Novel partners for established immune checkpoint inhibitors in the treatment of cancer are needed to address the problems of primary and acquired resistance. The efficacy of combination RANKL and CTLA4 blockade in anti-tumor immunity has been suggested by recent case reports in melanoma. Here we provide a rationale for this combination in mouse models of cancer. <br />Experimental Design: The efficacy and mechanism of a combination of RANKL and CTLA4 blockade was examined by tumor infiltrating lymphocyte analysis, tumor growth and metastasis using a variety of neutralizing antibodies and gene-targeted mice...
June 20, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28634236/alternative-evolutionary-pathways-for-drug-resistant-small-colony-variant-mutants-in-staphylococcus-aureus
#16
Sha Cao, Douglas L Huseby, Gerrit Brandis, Diarmaid Hughes
Staphylococcus aureus is known to generate small colony variants (SCVs) that are resistant to aminoglycoside antibiotics and can cause persistent and recurrent infections. The SCV phenotype is unstable, and compensatory mutations lead to restored growth, usually with loss of resistance. However, the evolution of improved growth, by mechanisms that avoid loss of antibiotic resistance, is very poorly understood. By selection with serial passaging, we isolated and characterized different classes of extragenic suppressor mutations that compensate for the slow growth of small colony variants...
June 20, 2017: MBio
https://www.readbyqxmd.com/read/28634214/effects-of-microrna-146a-on-the-proliferation-and-apoptosis-of-human-osteochondrocytes-by-targeting-traf6-through-the-nf-%C3%AE%C2%BAb-signalling-pathway
#17
Camilla West, Michael McDermott
MicroRNAs are important cellular mediators of mRNA degradation and translation repression, which in turn can have an impact on various processes and, if their function is perturbed, can cause disease. Here, we summarise the recent manuscript by Zhong et al., which explores microRNA-146a and how it may play an indirect yet vital role in the proliferation of osteoarthritis (OA) chondrocytes. The data presented by the authors could have important implications for future OA therapies.
June 20, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28634206/papers-of-note-in-science-translational-medicine9-394
#18
Leslie K Ferrarelli
This week's articles describe how broccoli can combat type 2 diabetes, how monocytes contribute to the failure of organ transplant grafts, and how to more durably treat RET- or KRAS-driven lung cancer.
June 20, 2017: Science Signaling
https://www.readbyqxmd.com/read/28634106/biology-evolution-and-medical-importance-of-polyomaviruses-an-update
#19
REVIEW
Ugo Moens, Andi Krumbholz, Bernhard Ehlers, Roland Zell, Reimar Johne, Sébastien Calvignac-Spencer, Chris Lauber
The family Polyomaviridae encompasses non-enveloped viruses with a circular dsDNA genome that is typically approximately 5000bp in length. Originally isolated from mammals, polyomavirus sequences have now been detected in invertebrates, fish, amphibians, reptiles and birds, although it remains to be determined whether all these animals are genuine hosts. The genomes of all polyomaviruses encode at least two regulatory proteins (large and small tumour antigen) and two structural proteins (capsid proteins VP1 and VP2) whose functions have been defined...
June 17, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28633972/the-neural-basis-of-form-and-form-motion-integration-from-static-and-dynamic-translational-glass-patterns-a-rtms-investigation
#20
Andrea Pavan, Filippo Ghin, Rita Donato, Gianluca Campana, George Mather
A long-held view of the visual system is that form and motion are independently analysed. However, there is physiological and psychophysical evidence of early interaction in the processing of form and motion. In this study, we used a combination of Glass patterns (GPs) and repetitive Transcranial Magnetic Stimulation (rTMS) to investigate in human observers the neural mechanisms underlying form-motion integration. GPs consist of randomly distributed dot pairs (dipoles) that induce the percept of an oriented stimulus...
June 17, 2017: NeuroImage
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