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https://www.readbyqxmd.com/read/28646026/exosomes-promising-sacks-for-treating-ischemic-heart-disease
#1
Gui-Hao Chen, Jun Xu, Yue-Jin Yang
Ischemic heart disease(IHD) is the leading cause of death worldwide. Despite development of continuously improving therapeutic strategies, morbidity and mortality of patients with IHD remains relatively high. Exosomes are a subpopulation of vesicles that are universally recognized as major mediators in intercellular communication. Numerous preclinical studies showed that these tiny vesicles were protective in IHD, through such actions as alleviating myocardial ischemia/reperfusion injury, promoting angiogenesis, inhibiting fibrosis and facilitating cardiac regeneration...
June 23, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28644037/lower-risk-cannabis-use-guidelines-a-comprehensive-update-of-evidence-and-recommendations
#2
Benedikt Fischer, Cayley Russell, Pamela Sabioni, Wim van den Brink, Bernard Le Foll, Wayne Hall, Jürgen Rehm, Robin Room
BACKGROUND: Cannabis use is common in North America, especially among young people, and is associated with a risk of various acute and chronic adverse health outcomes. Cannabis control regimes are evolving, for example toward a national legalization policy in Canada, with the aim to improve public health, and thus require evidence-based interventions. As cannabis-related health outcomes may be influenced by behaviors that are modifiable by the user, evidence-based Lower-Risk Cannabis Use Guidelines (LRCUG)-akin to similar guidelines in other health fields-offer a valuable, targeted prevention tool to improve public health outcomes...
June 23, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28643924/exosomes-novel-regulators-of-bone-remodelling-and-potential-therapeutic-agents-for-orthodontics
#3
REVIEW
L S Holliday, K P McHugh, J Zuo, J I Aguirre, J K Neubert, W J Rody
Recent studies suggest that exosomes are involved in intercellular communication required for the maintenance of healthy bone. Exosomes are small (30-150 nm in diameter) extracellular vesicles that are formed in multivesicular bodies and are released from cells as the multivesicular bodies fuse with the plasma membrane. Regulatory exosomes have the capacity to exert profound control over target cells. They can stimulate plasma membrane receptors and are also internalized by the target cell delivering proteins, lipids, small molecules and functional RNAs from the cell of origin...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643230/crosstalk-between-m2-macrophages-and-glioma-stem-cells
#4
Leora M Nusblat, Molly J Carroll, Charles M Roth
PURPOSE: Given its extremely poor prognosis, there is a pressing need for an improved understanding of the biology of glioblastoma multiforme (GBM), including the roles of tumor subpopulations that may contribute to their growth rate and therapy resistance. The most malignant phenotypes of GBM have been ascribed to the presence of subpopulations of cancer stem cells (CSCs), which are resistant to chemotherapeutic drugs and ionizing radiation and which promote invasiveness and metastasis...
June 22, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28643176/a-promising-tool-in-retina-regeneration-current-perspectives-and-challenges-when-using-mesenchymal-progenitor-stem-cells-in-veterinary-and-human-ophthalmological-applications
#5
REVIEW
Anna Cislo-Pakuluk, Krzysztof Marycz
Visual impairment is a common ailment of the current world population, with more exposure to CCD screens and fluorescent lighting, approximately 285 billion people suffer from this deficiency and 13% of those are considered clinically blind. More common causes for visual impairment include age-related macular degeneration (AMD), glaucoma and diabetic retinopathy (Zhu et al. Molecular Medicine Reports, 2015; Kolb et al. 2007; Machalińska et al. Current Eye Research, 34(9),748-760, 2009) among a few. As cases of retinal and optic nerve diseases rise, it is vital to find a treatment, which has led to investigation of the therapeutic potential of various stem cells types (Bull et al...
June 22, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28643030/hospital-electronic-prescribing-system-implementation-impact-on-discharge-information-communication-and-prescribing-errors-a-before-and-after-study
#6
Pamela Ruth Mills, Anita Elaine Weidmann, Derek Stewart
PURPOSE: The study aimed to test the hypothesis that hospital electronic prescribing and medicine administration system (HEPMA) implementation impacted patient discharge letter quality, nature and frequency of prescribing errors. METHOD: A quasi experimental before and after retrospective case note review was conducted in one United Kingdom district general hospital. The total sample size was 318 (random samples of 159 before and after implementation), calculated to achieve a 10% error reduction with a power of 80% and p < 0...
June 22, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28642945/nonribosomal-peptide-synthetase-biosynthetic-clusters-of-eskape-pathogens
#7
REVIEW
Andrew M Gulick
Covering: up to 2017.Natural products are important secondary metabolites produced by bacterial and fungal species that play important roles in cellular growth and signaling, nutrient acquisition, intra- and interspecies communication, and virulence. A subset of natural products is produced by nonribosomal peptide synthetases (NRPSs), a family of large, modular enzymes that function in an assembly line fashion. Because of the pharmaceutical activity of many NRPS products, much effort has gone into the exploration of their biosynthetic pathways and the diverse products they make...
June 23, 2017: Natural Product Reports
https://www.readbyqxmd.com/read/28641933/the-role-of-sleep-in-regulating-structural-plasticity-and-synaptic-strength-implications-for-memory-and-cognitive-function
#8
REVIEW
Frank Raven, Eddy A Van der Zee, Peter Meerlo, Robbert Havekes
Dendritic spines are the major sites of synaptic transmission in the central nervous system. Alterations in the strength of synaptic connections directly affect the neuronal communication, which is crucial for brain function as well as the processing and storage of information. Sleep and sleep loss bidirectionally alter structural plasticity, by affecting spine numbers and morphology, which ultimately can affect the functional output of the brain in terms of alertness, cognition, and mood. Experimental data from studies in rodents suggest that sleep deprivation may impact structural plasticity in different ways...
May 18, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/28641511/microbial-lipase-mediated-by-health-beneficial-modification-of-cholesterol-and-flavors-in-food-products-a-review
#9
Ranjana Sharma, Nivedita Sharma
BACKGROUND: The tremendous need of lipase in varied applications in biotechnological increases its economical value in food and allied industries. Lipase has an impressive number of applications viz. enhancements of flavor in food products (Cheese, butter, alcoholic beverages, milk chocolate and diet control food stuffs), detergent industry in removing oil, grease stain, organic chemical processing, textile industry, oleochemical industry, cosmetic industry and also as therapeutic agents in pharmaceutical industries...
June 14, 2017: Recent Patents on Biotechnology
https://www.readbyqxmd.com/read/28636979/exosomes-in-diagnosis-and-therapy-of-prostate-cancer
#10
REVIEW
Jun Pan, Meng Ding, Kai Xu, Chunhua Yang, Li-Jun Mao
Exosomes are small vesicular bodies released by a variety of cells. Exosomes contain miRNAs, mRNAs and proteins with the potential to regulate signaling pathways in recipient cells. Exosomes deliver nucleic acids and proteins to mediate the communication between cancer cells and stroma cells. In this review, we summarize recent progress in our understanding of the role of exosomes in prostate cancer. The tumorigenesis, metastasis and drug resistance of prostate cancer are associated with the cargos of exosomes such as miRNAs, lncRNAs and proteins...
June 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636960/mechanisms-and-therapeutic-relevance-of-neuro-immune-communication
#11
REVIEW
Sangeeta S Chavan, Valentin A Pavlov, Kevin J Tracey
Active research at the frontiers of immunology and neuroscience has identified multiple points of interaction and communication between the immune system and the nervous system. Immune cell activation stimulates neuronal circuits that regulate innate and adaptive immunity. Molecular mechanistic insights into the inflammatory reflex and other neuro-immune interactions have greatly advanced our understanding of immunity and identified new therapeutic possibilities in inflammatory and autoimmune diseases. Recent successful clinical trials using bioelectronic devices that modulate the inflammatory reflex to significantly ameliorate rheumatoid arthritis and inflammatory bowel disease provide a path for using electrons as a therapeutic modality for targeting molecular mechanisms of immunity...
June 20, 2017: Immunity
https://www.readbyqxmd.com/read/28634514/cystic-lesions-of-peripheral-nerves-are-we-missing-the-diagnosis-of-the-intraneural-ganglion-cyst
#12
Jyoti Panwar, Anil Mathew, Binu P Thomas
AIM: To highlight the salient magnetic resonance imaging (MRI) features of the intraneural ganglion cyst (INGC) of various peripheral nerves for their precise diagnosis and to differentiate them from other intra and extra-neural cystic lesions. METHODS: A retrospective analysis of the magnetic resonance (MR) images of a cohort of 245 patients presenting with nerve palsy involving different peripheral nerves was done. MR images were analyzed for the presence of a nerve lesion, and if found, it was further characterized as solid or cystic...
May 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28634412/extracellular-vesicles-in-liver-disease-and-potential-as-biomarkers-and-therapeutic-targets
#13
REVIEW
Gyongyi Szabo, Fatemeh Momen-Heravi
Extracellular vesicles (EVs) are membranous vesicles originating from different cells in the liver. The pathophysiological role of EVs is increasingly recognized in liver diseases, including alcoholic liver disease, NAFLD, viral hepatitis and hepatocellular carcinoma. EVs, via their cargo, can provide communication between different cell types in the liver and between organs. EVs are explored as biomarkers of disease and could also represent therapeutic targets and vehicles for treatment delivery. Here, we review advances in understanding the role of EVs in liver diseases and discuss their utility in biomarker discovery and therapeutics...
June 21, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28631673/-the-problems-associated-with-the-treatment-of-stenosing-laryngotracheitis-in-the-children-the-results-of-the-35-year-long-experience
#14
L A Safronenko, A P Davydova, V V Karpov, M G Lukashevich, V A Novikov
Stenosing laryngotracheitis (SLT) affecting the children is considered to be an emergency pediatric condition associated with ENT pathology. Its treatment presents a serious challenge for otolaryngologists, pediatricians, specialists in communicable diseases, allergologists, etc. We have undertaken a retrospective analysis of the available data with a view to summarizing the tendencies in the evolution of SLT morbidity. The results of the 35 year-long experience with the use of the currently available therapeutic strategies for the treatment of the children suffering from stenosing laryngotracheitis are presented...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28630658/evidence-of-mitochondrial-dysfunction-in-autism-biochemical-links-genetic-based-associations-and-non-energy-related-mechanisms
#15
REVIEW
Keren K Griffiths, Richard J Levy
Autism spectrum disorder (ASD), the fastest growing developmental disability in the United States, represents a group of neurodevelopmental disorders characterized by impaired social interaction and communication as well as restricted and repetitive behavior. The underlying cause of autism is unknown and therapy is currently limited to targeting behavioral abnormalities. Emerging studies suggest a link between mitochondrial dysfunction and ASD. Here, we review the evidence demonstrating this potential connection...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28628273/exposure-of-induced-pluripotent-stem-cell-derived-vascular-endothelial-and-smooth-muscle-cells-in-coculture-to-hemodynamics-induces-primary-vascular-cell-like-phenotypes
#16
Maria S Collado, Banumathi K Cole, Robert A Figler, Mark Lawson, David Manka, Michael B Simmers, Steve Hoang, Felipe Serrano, Brett R Blackman, Sanjay Sinha, Brian R Wamhoff
Human induced pluripotent stem cells (iPSCs) can be differentiated into vascular endothelial (iEC) and smooth muscle (iSMC) cells. However, because iECs and iSMCs are not derived from an intact blood vessel, they represent an immature phenotype. Hemodynamics and heterotypic cell:cell communication play important roles in vascular cell phenotypic modulation. Here we tested the hypothesis that hemodynamic exposure of iECs in coculture with iSMCs induces an in vivo-like phenotype. iECs and iSMCs were cocultured under vascular region-specific blood flow hemodynamics, and compared to hemodynamic cocultures of blood vessel-derived endothelial (pEC) and smooth muscle (pSMC) cells...
June 19, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28626596/management-of-severe-developmental-regression-in-an-autistic-child-with-a-1q21-3-microdeletion-and-self-injurious-blindness
#17
Cora Cravero, Vincent Guinchat, Jean Xavier, Camille Meunier, Lautaro Diaz, Cyril Mignot, Diane Doummar, Sandra Chantot-Bastaraud, Angèle Consoli, David Cohen
We report the case of a young boy with nonverbal autism and intellectual disability, with a rare de novo 1q21.3 microdeletion. The patient had early and extreme self-injurious behaviours that led to blindness, complicated by severe developmental regression. A significant reduction in the self-injurious behaviours and the recovery of developmental dynamics were attained in a multidisciplinary neurodevelopmental inpatient unit. Improvement was obtained after managing all causes of somatic pains, using opiate blockers and stabilizing the patient's mood...
2017: Case Reports in Psychiatry
https://www.readbyqxmd.com/read/28626015/reciprocal-interaction-of-dendrite-geometry-and-nuclear-calcium-vegfd-signaling-gates-memory-consolidation-and-extinction
#18
Thekla J Hemstedt, C Peter Bengtson, Omar Ramírez, Ana Mm Oliveira, Hilmar Bading
Nuclear calcium is an important signaling end-point in synaptic excitation-transcription coupling that is critical for long-term neuroadaptations. Here we show that nuclear calcium acting via a target gene VEGFD is required for hippocampus-dependent fear memory consolidation and extinction in mice. Nuclear calcium-VEGFD signaling upholds structural integrity and complexity of the dendritic arbor of CA1 neurons that renders those cells permissive for the efficient generation of synaptic input-evoked nuclear calcium transients driving the expression of plasticity-related genes...
June 16, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28624182/oral-appliances-for-the-management-of-osa-an-updated-review-of-the-literature
#19
REVIEW
Mona M Hamoda, Yuuya Kohzuka, Fernanda R Almeida
Oral appliances (OAs) are becoming increasingly recognized not only as an alternative, but also possibly as an adjunct treatment modality for obstructive sleep apnea (OSA). Compared to Continuous Positive Airway Pressure (CPAP), the gold standard therapy, OAs are less efficacious but are more accepted and tolerated by the patients which may in turn lead to a comparable therapeutic effectiveness. Different oral appliance designs currently exist and even more are constantly emerging. Additionally, state of the art technologies are being utilized in the fabrication of many however, all the currently available OAs employ the same mechanism of action by targeting the anatomical component involved in the pathogenesis of the disease...
June 14, 2017: Chest
https://www.readbyqxmd.com/read/28623514/the-potential-roles-of-bacteria-to-improve-radiation-treatment-outcome
#20
REVIEW
E Kouhsari, A Ghadimi-Daresajini, H Abdollahi, N Amirmozafari, S R Mahdavi, S Abbasian, S H Mousavi, H F Yaseri, M Moghaderi
Many combined therapies have been proposed to enhance radiotherapy outcome, but they have several limitations. As a new feasible strategy, combination of radiotherapy with bacteria showed a significant positive impact on the tumor treatment and metastasis inhibition. Although probiotic bacteria and radiotherapy alone can be effective in the treatment of different cancers, the combination of these two therapies seems to enhance therapeutic outcome and is cost-effective. Bacterial cells can act as therapeutic/gene/drug delivery vehicles as well as theranostic agents...
June 16, 2017: Clinical & Translational Oncology
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