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https://www.readbyqxmd.com/read/28108980/the-influence-of-macrophages-on-mesenchymal-stromal-cell-therapy-passive-or-aggressive-agents
#1
REVIEW
Fiona Carty, Bernard P Mahon, Karen English
Mesenchymal stromal cells (MSC) have emerged as promising cell therapies for multiple conditions based on demonstrations of their potent immunomodulatory and regenerative capacities in models of inflammatory disease. Understanding the effects of MSC on T cells has dominated the majority of work carried out in this field to date, however, recently a number of studies have shown that the therapeutic effect of MSC requires the presence of macrophages. It is timely to review the mechanisms and manner by which MSC modulate macrophage populations in order to better design MSC therapies and clinical studies...
January 20, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28106925/clinical-study-evaluating-the-accuracy-of-injecting-the-distal-tarsal-joints-in-the-horse
#2
K A Seabaugh, K T Selberg, P O E Mueller, R B Eggleston, J F Peroni, K M Claunch, H J Markwell, G M Baxter
BACKGROUND: Osteoarthritis (OA) of the centrodistal (CD) and tarsometatarsal (TMT) joints is a common cause of lameness in horses. Intra-articular diagnostic anaesthesia and/or therapeutic injection are relied upon to help diagnose and treat many horses with OA of these joints. OBJECTIVES: The objective of this study was to determine the accuracy of arthrocentesis of the CD and TMT joints using a sample population of equine surgeons and surgery residents. STUDY DESIGN: Randomised experimental study...
January 20, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28105201/comparison-of-microrna-expression-profiles-in-k562-cells-derived-microvesicles-and-parental-cells-and-analysis-of-their-roles-in-leukemia
#3
Xiaomei Chen, Wei Xiong, Huiyu Li
Microvesicles (MVs) are 30-1,000-nm extracellular vesicles that are released from a multitude of cell types and perform diverse cellular functions, including intercellular communication, antigen presentation, and transfer of proteins, messenger RNA and microRNA (also known as miR). MicroRNAs have been demonstrated to be aberrantly expressed in leukemia, and the overall microRNA expression profile may differentiate normal blood cells vs. leukemia cells. MVs containing microRNAs may enable intercellular cross-talk in vivo...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28105113/a-model-of-health-education-and-management-for-osteoporosis-prevention
#4
Liang Wang, Xiaowen Xu, Yan Zhang, Hongxia Hao, Liying Chen, Tianjiao Su, Yan Zhang, Weifeng Ma, Yuanyuan Xie, Tiantian Wang, Fan Yang, Li He, Wenjiao Wang, Xuemei Fu, Yuanzheng Ma
Osteoporosis, a chronic disease with no therapeutic cure, affects a growing number of people as the aging population in China rapidly increases. Therefore, developing an evidence-based model of health education and management for osteoporosis prevention is required. In the present study, an osteoporosis club was established, which is a novel model of health education and management for osteoporosis prevention. A unified management of membership was used based on a digitized database. A total of 436 patients with osteoporosis were randomly assigned to the osteoporosis club group or the self-management control group...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28104561/assessment-of-in-vitro-cardiotoxicity-of-extract-fractions-and-diterpene-alkaloids-from-aconitum-leucostomum-worosch-a-short-communication
#5
Jihong Nie, Fang Wang, Tengfei Ji, Jun Zhao, Feicui Zhao
Aconitum leucostomum Worosch is a traditional Chinese medicine (TCM) and has a broad spectrum of health effects, but with a narrow therapeutic window. It is important to identify both the therapeutic ingredients and the toxic components to better utilize this TCM. The present study investigated the cardiotoxicity of the selected compounds in Aconitum leucostomum Worosch. The effects of extract of A. leucostomum Worosch and the isolated compounds on cardiocardiomyocytes were evaluated in vitro. Five known compounds in this TCM, including three C18-diterpene alkaloids, lappaconitine (2), N-deacetyllappaconitine (3), and ranaconitine (5), and two C19-diterpene alkaloids, delvestidine (1) and anthranoyllycoctonine (4), were isolated from A...
January 3, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28104520/extracellular-vesicle-docking-at-the-cellular-port-extracellular-vesicle-binding-and-uptake
#6
REVIEW
Kinsley C French, Marc A Antonyak, Richard A Cerione
Extracellular vesicles (EVs), lipid bilayer-enclosed structures that contain a variety of biological molecules shed by cells, are increasingly becoming appreciated as a major form of cell-to-cell communication. Indeed, EVs have been shown to play important roles in several physiological processes, as well as diseases such as cancer. EVs dock on to the surfaces of recipient cells where they transmit signals from the cell surface and/or transfer their contents into cells to elicit functional responses. EV docking and uptake by cells represent critical, but poorly understood processes...
January 16, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28100454/gene-therapy-targeting-oligodendrocytes-provides-therapeutic-benefit-in-a-leukodystrophy-model
#7
Elena Georgiou, Kyriaki Sidiropoulou, Jan Richter, Christos Papaneophytou, Irene Sargiannidou, Alexia Kagiava, Georg von Jonquieres, Christina Christodoulou, Matthias Klugmann, Kleopas A Kleopa
Pelizaeus-Merzbacher-like disease or hypomyelinating leukodystrophy-2 is an autosomal recessively inherited leukodystrophy with childhood onset resulting from mutations in the gene encoding the gap junction protein connexin 47 (Cx47, encoded by GJC2). Cx47 is expressed specifically in oligodendrocytes and is crucial for gap junctional communication throughout the central nervous system. Previous studies confirmed that a cell autonomous loss-of-function mechanism underlies hypomyelinating leukodystrophy-2 and that transgenic oligodendrocyte-specific expression of another connexin, Cx32 (GJB1), can restore gap junctions in oligodendrocytes to achieve correction of the pathology in a disease model...
January 18, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28098880/the-role-of-gap-junctions-in-inflammatory-and-neoplastic-disorders-review
#8
Pui Wong, Victoria Laxton, Saurabh Srivastava, Yin Wah Fiona Chan, Gary Tse
Gap junctions are intercellular channels made of connexin proteins, mediating both electrical and biochemical signals between cells. The ability of gap junction proteins to regulate immune responses, cell proliferation, migration, apoptosis and carcinogenesis makes them attractive therapeutic targets for treating inflammatory and neoplastic disorders in different organ systems. Alterations in gap junction profile and expression levels are observed in hyperproliferative skin disorders, lymphatic vessel diseases, inflammatory lung diseases, liver injury and neoplastic disorders...
January 17, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28098821/tumor-microenvironment-modulation-via-gold-nanoparticles-targeting-malicious-exosomes-implications-for-cancer-diagnostics-and-therapy
#9
REVIEW
Catarina Roma-Rodrigues, Luís R Raposo, Rita Cabral, Fabiana Paradinha, Pedro V Baptista, Alexandra R Fernandes
Exosomes are nanovesicles formed in the endosomal pathway with an important role in paracrine and autocrine cell communication. Exosomes secreted by cancer cells, malicious exosomes, have important roles in tumor microenvironment maturation and cancer progression. The knowledge of the role of exosomes in tumorigenesis prompted a new era in cancer diagnostics and therapy, taking advantage of the use of circulating exosomes as tumor biomarkers due to their stability in body fluids and targeting malignant exosomes' release and/or uptake to inhibit or delay tumor development...
January 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28096478/demographic-procedural-and-30-day-safety-results-from-the-web-intra-saccular-therapy-study-web-it
#10
David Fiorella, Andrew Molyneux, Alexander Coon, Istvan Szikora, Isil Saatci, Feyyaz Baltacioglu, Ali Sultan, Adam Arthur
INTRODUCTION: The Woven EndoBridge (WEB) represents a novel intrasaccular therapeutic option for the treatment of intracranial wide-necked bifurcation aneurysms (WNBAs). The WEB-IT Study is a pivotal Investigational Device Exemption (IDE) study to determine the safety and effectiveness of the WEB device for the treatment of WNBAs located in the anterior and posterior intracranial circulations. We present the patient demographics, procedural characteristics, and 30-day adverse event data for the US WEB-IT study...
January 17, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28095818/when-parents-won-t-vaccinate-their-children-a-qualitative-investigation-of-australian-primary-care-providers-experiences
#11
Nina J Berry, Alexandra Henry, Margie Danchin, Lyndal J Trevena, Harold W Willaby, Julie Leask
BACKGROUND: Increasingly, the experiences and perceptions of parents who decline vaccination are the subject of investigation. However, the experiences of clinicians who encounter these parents in the course of their work has received little academic attention to date. This study aimed to understand the challenges faced and strategies used when general practitioners and immunising nurses encounter parents who choose not to vaccinate their children. METHODS: Primary care providers were recruited from regions identified through the Australian Childhood Immunisation Register (ACIR) as having higher than national average rates of registered objection to childhood vaccination...
January 17, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28093986/antimicrobial-polymers-mimicking-amino-acid-functionality-sequence-control-and-three-dimensional-structure-of-host-defense-peptides
#12
Matthias Hartlieb, Elizabeth G L Williams, Agnès Kuroki, Sébastien Perrier, Katherine E S Locock
Peptides and proteins control and direct all aspects of cellular function and communication. Having been honed by nature for millions of years, they also typically display an unsurpassed specificity for their biological targets. This underlies the continued focus on peptides as promising drug candidates. However, the development of peptides into viable drugs is hampered by their lack of chemical and pharmacokinetic stability and the cost of large scale production. One method to overcome such hindrances is to develop polymer systems that are able to retain the important structural features of these biologically active peptides, while being cheaper and easier to produce and manipulate chemically...
January 16, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28090176/updates-on-knowledge-attitude-and-preventive-practices-on-tuberculosis-among-healthcare-workers
#13
REVIEW
Farhanah Abd Wahab, Sarimah Abdullah, Jafri Malin Abdullah, Hasnan Jaafar, Siti Suraiya Md Noor, Wan Mohd Zahiruddin Wan Mohammad, Abdul Aziz Mohamed Yusoff, John Tharakan, Shalini Bhaskar, Muthuraju Sangu, Mohd Shah Mahmood, Fauziah Kassim, Md Hanip Rafia, Mohammed Safari Mohammed Haspani, Azmi Alias, Rogelio Hernández Pando
Ranking as the most communicable disease killer worldwide, tuberculosis, has accounted with a total of 9.6 million new tuberculosis cases with 1.5 million tuberculosis-related deaths reported globally in 2014. Tuberculosis has remain as an occupational hazard for healthcare workers since 1920s and due to several tuberculosis outbreaks in healthcare settings in the early 1990s, the concern about the transmission to both patients and healthcare workers has been raised. Healthcare workers have two to three folds greater the risk of active tuberculosis than the general population...
November 2016: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28078479/follow-up-cancer-care-perspectives-of-aboriginal-and-torres-strait-islander-cancer-survivors
#14
J A Meiklejohn, G Garvey, R Bailie, E Walpole, J Adams, D Williamson, J Martin, C M Bernardes, B Arley, B Marcusson, P C Valery
PURPOSE: The purpose of this study was to explore Indigenous Australian cancer survivors' perspectives of follow-up cancer care and management.. METHODS: This is a qualitative study employing individual interviews with 21 Indigenous cancer survivors (13 females, 8 males) recruited from a rural primary health service and large tertiary hospital in Brisbane, Queensland. Yarning methods were used to conduct semi-structured interviews. Yarning is a culturally appropriate, informal conversational process emphasising the importance of storytelling...
January 12, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28078408/-rehabilitation-in-children-and-adults-an-overview
#15
A Illg
BACKGROUND: The rehabilitation of patients with hearing loss includes technical, medical, and therapeutic education interventions. The success of cochlear implant (CI) treatment depends on joint coordination and execution of all measures. During the history of CI, expansion of the spectrum of indication criteria has led to evolution of auditory-verbal therapy, speech therapy, and auditory training. MATERIALS AND METHODS: This paper describes the current status of therapeutic knowledge and experience of hearing and speech therapeutic rehabilitation in children and adults...
January 11, 2017: HNO
https://www.readbyqxmd.com/read/28077345/tips-and-traps-lessons-from-codesigning-a-clinician-e-monitoring-tool-for-computerized-cognitive-behavioral-therapy
#16
Frederick Sundram, Susan J Hawken, Karolina Stasiak, Mathijs Fg Lucassen, Theresa Fleming, Matthew Shepherd, Andrea Greenwood, Raechel Osborne, Sally N Merry
BACKGROUND: Computerized cognitive behavioral therapy (cCBT) is an acceptable and promising treatment modality for adolescents with mild-to-moderate depression. Many cCBT programs are standalone packages with no way for clinicians to monitor progress or outcomes. We sought to develop an electronic monitoring (e-monitoring) tool in consultation with clinicians and adolescents to allow clinicians to monitor mood, risk, and treatment adherence of adolescents completing a cCBT program called SPARX (Smart, Positive, Active, Realistic, X-factor thoughts)...
January 11, 2017: JMIR Mental Health
https://www.readbyqxmd.com/read/28077297/exosomes-key-mediators-of-metastasis-and-pre-metastatic-niche-formation
#17
REVIEW
Richard J Lobb, Luize G Lima, Andreas Möller
While tumour cells are classically known to communicate via direct cell-to-cell contact and the secretion of soluble protein-based factors such as cytokines and growth factors, alternative novel mechanisms that promote tumour progression have recently emerged. Now, new critical components of the secretome thought to be involved in tumour progression are exosomes, small vesicles of endocytic origin that carry a variety of bioactive molecules, including proteins, lipids, RNA, as well as DNA molecules. Cancer cell-derived exosomes have been shown to participate in crucial steps of metastatic spread of a primary tumour, ranging from oncogenic reprogramming of malignant cells to formation of pre-metastatic niches...
January 8, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28077296/extracellular-vesicle-communication-pathways-as-regulatory-targets-of-oncogenic-transformation
#18
REVIEW
Dongsic Choi, Tae Hoon Lee, Cristiana Spinelli, Shilpa Chennakrishnaiah, Esterina D'Asti, Janusz Rak
Pathogenesis of human cancers bridges intracellular oncogenic driver events and their impact on intercellular communication. Among multiple mediators of this 'pathological connectivity' the role of extracellular vesicles (EVs) and their subsets (exosomes, ectosomes, oncosomes) is of particular interest for several reasons. The release of EVs from cancer cells represents a unique mechanism of regulated expulsion of bioactive molecules, a process that also mediates cell-to-cell transfer of lipids, proteins, and nucleic acids...
January 8, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28076321/secretion-modification-region-derived-peptide-blocks-exosome-release-and-mediates-cell-cycle-arrest-in-breast-cancer-cells
#19
Ming-Bo Huang, Ruben R Gonzalez, James Lillard, Vincent C Bond
PURPOSE: Discovery and development of a novel anticancer PEG-SMR-Clu peptide to prevent breast cancer metastasis. How breast cancer cells and primary mammary epithelial cells interact and communicate with each other to promote tumorigenesis and how to prevent tumor metastasis has long been a concern of researchers. Cancer cells secrete exosomes containing proteins and RNA. These factors can influence tumor development by directly targeting cancer cells and tumor stroma. In this study, we determined the effects of a peptide as an inhibitor of exosome secretion on breast tumors...
January 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28074676/potential-route-of-th17-treg-cell-dynamics-in-targeting-type-1-diabetes-and-rheumatoid-arthritis-an-autoimmune-disorder-perspective
#20
Suresh Kumar Karri, A Sheela
Cytokines, small secreted proteins, have a specific effect on the interactions and communications between cells. They play a pivotal role in the pathogenesis of autoimmune diseases. Factors in the breakdown of self-tolerance and the subsequent events leading to the induction of pathogenic responses remain unclear for most of the autoimmune diseases. Large numbers of studies have revealed a general scheme in which pro-inflammatory cytokines contribute to the initiation and propagation of autoimmune inflammation, whereas anti-inflammatory cytokines facilitate the regression of inflammation and thereby recovery from the disease...
January 11, 2017: British Journal of Biomedical Science
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