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https://www.readbyqxmd.com/read/28531982/study-of-the-keratin-based-therapeutic-dermal-patches-for-the-delivery-of-bioactive-molecules-for-wound-treatment
#1
Kush Kumar Nayak, Pratima Gupta
In the present study, dressing materials were fabricated in the form of dermal patches. The keratin based biocompatible materials, namely Keratin/Alginate, Keratin/Agar, and Keratin/Gellan were developed as therapeutic dermal patches. The patches were coated with green synthesized silver nanoparticles to prevent the microbial infection and were found to be antimicrobial against pathogens. Papain was used in the patches to acquire the enzymatic cell debridement and its activity was measured by reduction rate of benzoyl-l-arginine ethyl ester...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531962/how-geostatistics-can-help-you-find-lead-and-galvanized-water-service-lines-the-case-of-flint-mi
#2
Pierre Goovaerts
In the aftermath of Flint drinking water crisis, most US cities have been scrambling to locate all lead service lines (LSLs) in their water supply systems. This information, which is most often inaccurate or lacking, is critical to assess compliance with the Lead and Copper Rule and to plan the replacement of lead and galvanized service lines (GSLs) as currently under way in Flint. This paper presents the first geospatial approach to predict the likelihood that a home has a LSL or GSL based on neighboring field data (i...
May 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28531768/rosa-damascena-oil-improved-sexual-function-and-testosterone-in-male-patients-with-opium-use-disorder-under-methadone-maintenance-therapy-results-from-a-double-blind-randomized-placebo-controlled-clinical-trial
#3
Vahid Farnia, Faeze Tatari, Mostafa Alikhani, Jalal Shakeri, Moshen Taghizadeh, Hassan Karbasizadeh, Dena Sadeghi Bahmani, Edith Holsboer-Trachsler, Serge Brand
BACKGROUND: Some patients with opioid use disorder (OUD) are treated with methadone maintenance therapy (MMT). However, as with opioids, methadone has major side-effects; sexual dysfunction is a particularly distressing such effect. Rosa Damascena oil has been shown to reduce subjective sexual dysfunction in patients with major depressive disorders, but its influence on testosterone has not so far been tested. The aim of the present study was to investigate the influence of Rosa Damascena oil on sexual dysfunction and testosterone levels among male patients with OUD and undergoing MMT...
April 6, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28531583/consumption-of-dairy-products-and-weight-loss-maintenance
#4
Evangelia Avgeraki, Dimitra Zannidi, Evangelia Malakou, Eleni Karfopoulou, Konstantinos Anastasiou, Mary Yannakoulia
No abstract text is available yet for this article.
June 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531581/meal-environment-and-successful-weight-loss-maintenance-the-medweight-study-results
#5
Dimitra Zannidi, Evangelia Avgeraki, Evangelia Malakou, Eleni Karfopoulou, Costas Anastasiou, Mary Yannakoulia
No abstract text is available yet for this article.
June 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531298/evolution-of-bacterial-virulence
#6
Médéric Diard, Wolf-Dietrich Hardt
Bacterial virulence is highly dynamic and context-dependent. For this reason, it is challenging to predict how molecular changes affect the growth of a pathogen in a host and its spread in host population. Two schools of thought have taken quite different directions to decipher the underlying principles of bacterial virulence. While molecular infection biology is focusing on the basic mechanisms of the pathogen-host interaction, evolution biology takes virulence as one of several parameters affecting pathogen spread in a host population...
May 22, 2017: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/28531263/in-vivo-dynamics-of-the-cortical-actin-network-revealed-by-fast-scanning-atomic-force-microscopy
#7
Yanshu Zhang, Aiko Yoshida, Nobuaki Sakai, Yoshitsugu Uekusa, Masahiro Kumeta, Shige H Yoshimura
Together with lamellipodia and stress fibers, a dynamic network of actin filaments in the cell cortex plays a major role in the maintenance of cell morphology and motility. In contrast to lamellipodia, which have been well studied in various motile cells, the dynamics of actin filaments in the cell cortex have not yet been clarified due to a lack of proper imaging techniques. Here, we utilized high-speed atomic force microscopy for live-cell imaging and analyzed cortical actin dynamics in living cells. We successfully measured the polymerization rate and the frequency of filament synthesis in living COS-7 cells, and examined the associated effects of various inhibitors and actin-binding proteins...
May 20, 2017: Microscopy
https://www.readbyqxmd.com/read/28531159/a-family-of-aco-routing-protocols-for-mobile-ad-hoc-networks
#8
Delfín Rupérez Cañas, Ana Lucila Sandoval Orozco, Luis Javier García Villalba, Tai-Hoon Kim
In this work, an ACO routing protocol for mobile ad hoc networks based on AntHocNet is specified. As its predecessor, this new protocol, called AntOR, is hybrid in the sense that it contains elements from both reactive and proactive routing. Specifically, it combines a reactive route setup process with a proactive route maintenance and improvement process. Key aspects of the AntOR protocol are the disjoint-link and disjoint-node routes, separation between the regular pheromone and the virtual pheromone in the diffusion process and the exploration of routes, taking into consideration the number of hops in the best routes...
May 22, 2017: Sensors
https://www.readbyqxmd.com/read/28530896/use-and-misuse-of-opioid-agonists-in-opioid-addiction
#9
REVIEW
Vania Modesto-Lowe, Katie Swiezbin, Margaret Chaplin, Gabriela Hoefer
Although methadone (an opioid agonist) and buprenorphine (a partial opioid agonist) have evidence to support their use in treating opioid use disorder, they remain misunderstood and underutilized. In this article, we outline the risks and benefits of using these drugs as maintenance therapy in opioid-dependent patients.
May 2017: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/28530883/is-an-alternative-equipment-maintenance-program-difficult-to-develop
#10
Patrick K Lynch
No abstract text is available yet for this article.
May 2017: Biomedical Instrumentation & Technology
https://www.readbyqxmd.com/read/28530676/mutations-in-dzip1l-which-encodes-a-ciliary-transition-zone-protein-cause-autosomal-recessive-polycystic-kidney-disease
#11
Hao Lu, Maria C Rondón Galeano, Elisabeth Ott, Geraldine Kaeslin, P Jaya Kausalya, Carina Kramer, Nadina Ortiz-Brüchle, Nadescha Hilger, Vicki Metzis, Milan Hiersche, Shang Yew Tay, Robert Tunningley, Shubha Vij, Andrew D Courtney, Belinda Whittle, Elke Wühl, Udo Vester, Björn Hartleben, Steffen Neuber, Valeska Frank, Melissa H Little, Daniel Epting, Peter Papathanasiou, Andrew C Perkins, Graham D Wright, Walter Hunziker, Heon Yung Gee, Edgar A Otto, Klaus Zerres, Friedhelm Hildebrandt, Sudipto Roy, Carol Wicking, Carsten Bergmann
Autosomal recessive polycystic kidney disease (ARPKD), usually considered to be a genetically homogeneous disease caused by mutations in PKHD1, has been associated with ciliary dysfunction. Here, we describe mutations in DZIP1L, which encodes DAZ interacting protein 1-like, in patients with ARPKD. We further validated these findings through loss-of-function studies in mice and zebrafish. DZIP1L localizes to centrioles and to the distal ends of basal bodies, and interacts with septin2, a protein implicated in maintenance of the periciliary diffusion barrier at the ciliary transition zone...
May 22, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28530641/the-many-ways-of-osteoclast-activation
#12
Joseph Lorenzo
Osteoclasts are the cells responsible for bone resorption, a process that is essential for the maintenance of healthy bones. Bone diseases, such as osteoporosis, which are characterized by high rates of bone resorption and loss of bone mass, may benefit from treatments that inhibit osteoclast formation and/or function. The RANKL/RANK pathway is critical for both osteoclast formation and function, and these effects are thought to be mediated by the transcription factor nuclear factor of activated T cells, cytoplasmic 1 (NFATc1)...
May 22, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28530640/genetic-regulation-of-the-runx-transcription-factor-family-has-antitumor-effects
#13
Ken Morita, Kensho Suzuki, Shintaro Maeda, Akihiko Matsuo, Yoshihide Mitsuda, Chieko Tokushige, Gengo Kashiwazaki, Junichi Taniguchi, Rina Maeda, Mina Noura, Masahiro Hirata, Tatsuki Kataoka, Ayaka Yano, Yoshimi Yamada, Hiroki Kiyose, Mayu Tokumasu, Hidemasa Matsuo, Sunao Tanaka, Yasushi Okuno, Manabu Muto, Kazuhito Naka, Kosei Ito, Toshio Kitamura, Yasufumi Kaneda, Paul P Liu, Toshikazu Bando, Souichi Adachi, Hiroshi Sugiyama, Yasuhiko Kamikubo
Runt-related transcription factor 1 (RUNX1) is generally considered to function as a tumor suppressor in the development of leukemia, but a growing body of evidence suggests that it has pro-oncogenic properties in acute myeloid leukemia (AML). Here we have demonstrated that the antileukemic effect mediated by RUNX1 depletion is highly dependent on a functional p53-mediated cell death pathway. Increased expression of other RUNX family members, including RUNX2 and RUNX3, compensated for the antitumor effect elicited by RUNX1 silencing, and simultaneous attenuation of all RUNX family members as a cluster led to a much stronger antitumor effect relative to suppression of individual RUNX members...
May 22, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28530531/the-complexity-of-dek-signaling-in-cancer-progression
#14
Yong Teng, Liwei Lang, Catherine E Jauregui
The DNA binding protein and chromatin structural regulator DEK regulates many cellular processes. These include proliferation, differentiation, apoptosis, senescence, DNA repairing and the maintenance of stem cell phenotype. DEK is increasingly recognized as a crucial player in many steps of cancer initiation and progression, and is precisely regulated by abundant promoting and inhibiting factors directly or indirectly. DEK may serve as an architectural modulating protein to regulate the expression and function of multiple human genes in cancer cells...
May 21, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28530344/-suppression-of-a-non-trauma-related-threatening-thought-as-an-avoidance-strategy-in-post-traumatic-stress-disorder-patients
#15
Lilach Abramsky-Arazi, Zeev Kaplan, Hagit Cohen
AIMS: Our goal was to examine how suppression of nontrauma- related thoughts differs between PTSD patients and patients with non-PTSD anxiety disorder compared to a group of matched controls. BACKGROUND: Intrusive recollections of aspects of the traumatic event and its sequelae are at the core of the post-traumatic stress disorder (PTSD). People who have suffered a traumatic event may implement some form of avoidance coping strategies in order to deal with the unwanted memories that accompany them...
December 2016: Harefuah
https://www.readbyqxmd.com/read/28530340/-can-post-traumatic-stress-disorder-be-prevented-with-glucocorticoids
#16
REVIEW
Hagit Cohen, Zeev Kaplan, Joseph Zohar
Glucocorticoids (GCs) play a major role in orchestrating the complex physiological and behavioral reactions essential for the maintenance of homeostasis. These compounds enable the organism to prepare for, respond to and cope with the acute demands of physical and emotional stressors. The appropriate GC release, commensurate with stressor severity, enables the body to properly contain stress responses so as to promote recovery by rapidly restoring homeostasis. Indeed, inadequate GC release following stress not only delays recovery by disrupting biological homeostasis in the short run but can also interfere with the processing or interpretation of stressful information that results in long-term disruptions in memory integration...
December 2016: Harefuah
https://www.readbyqxmd.com/read/28530295/dose-and-chemical-species-specific-effects-of-selenium-against-arsenite-toxicity-in-cultured-hepatocytes-of-rainbow-trout-oncorhynchus-mykiss
#17
Ankur Jamwal, Som Niyogi
The present study evaluated the mechanistic underpinnings of the interactive effects of selenium (Se), both inorganic (selenite) and organic (selenomethionine (SeMet)), against arsenite (As-III) cytotoxicity using rainbow trout (Oncorhynchus mykiss) hepatocytes in primary culture. Arsenite is known to induce cytotoxic effects by disrupting cellular redox homeostasis. In contrast, Se is essential for the maintenance of cellular anti-oxidative machinery, but when present above a threshold concentration, can also induce reactive oxygen species (ROS) generation and cause oxidative damage...
May 22, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28530223/tweak-mediates-inflammation-in-experimental-atopic-dermatitis-and-psoriasis
#18
Daniel Sidler, Ping Wu, Rana Herro, Meike Claus, Dennis Wolf, Yuko Kawakami, Toshiaki Kawakami, Linda Burkly, Michael Croft
Atopic dermatitis (AD) and psoriasis are driven by alternate type 2 and type 17 immune responses, but some proteins might be critical to both diseases. Here we show that a deficiency of the TNF superfamily molecule TWEAK (TNFSF12) in mice results in defective maintenance of AD-specific T helper type 2 (Th2) and psoriasis-specific Th17 cells in the skin, and impaired expression of disease-characteristic chemokines and cytokines, such as CCL17 and TSLP in AD, and CCL20 and IL-19 in psoriasis. The TWEAK receptor, Fn14, is upregulated in keratinocytes and dermal fibroblasts, and TWEAK induces these cytokines and chemokines alone and in synergy with the signature T helper cytokines of either disease, IL-13 and IL-17...
May 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28530132/development-of-a-high-fidelity-pressurized-porcine-beating-heart-simulator-for-cardiac-surgery-training
#19
Igo B Ribeiro, Janet M C Ngu, Gurinder Gill, Fraser D Rubens
BACKGROUND: Development of a high-fidelity cardiac surgery simulator (CSS) requires integration of a heart model with a mock cardiopulmonary bypass (CPB) circuit that can provide feedback to mimic the pathophysiology of cardiac surgery. However, the cost of commercially available simulators precludes regular use. We describe steps in the construction of a high-fidelity CSS that integrates a pulsatile paracorporeal ventricular-assist device (Pulse-VAD) and a commercially available CPB simulator...
May 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28529943/the-complexity-of-pdgfr-signaling-regulation-of-adipose-progenitor-maintenance-and-adipocyte-myofibroblast-transition
#20
EDITORIAL
Christian Dani, Alexander Pfeifer
No abstract text is available yet for this article.
2017: Stem Cell Investigation
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