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https://www.readbyqxmd.com/read/29786779/dnmt3a-controls-mir-200b-in-cardiac-fibroblast-autophagy-and-cardiac-fibrosis
#1
Xu-Dong Zhao, Run-He Qin, Jing-Jing Yang, Sheng-Song Xu, Hui Tao, Xuan-Sheng Ding, Kai-Hu Shi
AIM AND OBJECTIVE: Regulation of microRNA gene expression by DNA methylation may represent a key mechanism to drive cardiac fibrosis progression. Cardiac fibroblast autophagy is the primary source of cardiac fibrosis, but the mechanisms underlying this process are incompletely understood. Here we found that DNMT3A suppression of the microRNA-200b (miR-200b) through pathway leads to cardiac fibroblast autophagy in cardiac fibrosis. METHODS: To understand the impact of DNMT3A on miR-200b at cardiac fibrosis, the rat cardiac fibrosis model was established via the abdominal aortic coarctation...
May 21, 2018: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/29784537/artificial-intelligence-a-joint-narrative-on-potential-use-in-pediatric-stem-and-immune-cell-therapies-and-regenerative-medicine
#2
REVIEW
Irena Sniecinski, Jerard Seghatchian
Artificial Intelligence (AI) reflects the intelligence exhibited by machines and software. It is a highly desirable academic field of many current fields of studies. Leading AI researchers describe the field as "the study and design of intelligent agents". McCarthy invented this term in 1955 and defined it as "the science and engineering of making intelligent machines". The central goals of AI research are reasoning, knowledge, planning, learning, natural language processing (communication), perception and the ability to move and manipulate objects...
May 9, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29783159/fas-fasl-interaction-mediates-imbalanced-cytokine-cytotoxicity-responses-of-inkt-cells-against-jurkat-cells
#3
Rui Dou, Zhenya Hong, Xiaosheng Tan, Fenfen Hu, Yajie Ding, Wei Wang, Zhihui Liang, Rongrong Zhong, Xiongwen Wu, Xiufang Weng
The rapid antitumor cytokine production and direct cytotoxicity confer invariant NKT (iNKT) cells ideal candidates for cancer therapy. However, the therapeutic potential of iNKT cells in T-cell malignant diseases remains elusive, as antigen presentation by T cells (T-T presentation) has been suggested to induce hyporesponsiveness of iNKT cells. In this study, we found discrepancies in iNKT cell responses against two T cell-origin cell lines (Jurkat and Molt-4). Human iNKT cells exhibited more intensive cytotoxicity and less efficient cytokine production in response to Fas-bearing Jurkat cells than those to the Fas-negative tumor cells (Molt-4 and myeloid-derived K562)...
May 18, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29781826/understanding-microbiome-effect-on-immune-checkpoint-inhibition-in-lung-cancer-placing-the-puzzle-pieces-together
#4
Umang Swami, Yousef Zakharia, Jun Zhang
Over the past couple of years, human microbiome has received increasing attention as a regulator and predictor of response to the therapies of various diseases. It is speculated that manipulating gut microbiome can modify response to cancer immunotherapies as well. Through this review, we have critically analyzed our current understanding of gut microbiome as a modulator of immunotherapies in lung cancer, explained conflicting data, evaluated current gaps and extrapolated our present knowledge to generate directions for future investigations...
May 17, 2018: Journal of Immunotherapy
https://www.readbyqxmd.com/read/29778902/perspectives-on-the-past-present-and-future-of-cancer-nanomedicine
#5
Yu Seok Youn, You Han Bae
The justification of cancer nanomedicine relies on enhanced permeation (EP) and retention (R) effect and the capability of intracellular targeting due primarily to size after internalization (endocytosis) into the individual target cells. The EPR effect implies improved efficacy. Affinity targeting for solid tumors only occur after delivery to individual cells, which help internalization and/or retention. The design principles have been supported by animal results in numerous publications, but hardly translated...
May 17, 2018: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29774063/dual-target-gene-therapy-to-eml4-alk-nsclc-by-a-gold-nanoshell-based-system
#6
Siwen Li, Yuxi Liu, Yalan Rui, Liping Tang, Samuel Achilefu, Yueqing Gu
Although EML4-ALK transforming fusion gene is represented in only 8% of non-small cell lung cancer (NSCLC) cases, its expression is partly responsive for the failure of current NSCLC treatments. Preventing secondary mutation of the ALK protein through direct gene manipulation could overcome NSCLC drug resistance. Method: In this study, we developed a gold nanoshell (HAuNs) drug carrier for delivery and selective photo-thermal release of genes that target ALK and microRNA-301 in NSCLC. Additionally, the densely-coated nanoshell adsorbed high amounts of the positively-charged anticancer drug doxorubicin (DOX), generating an exciting multidimensional treatment strategy that includes gene-, thermal- and chemo- therapy...
2018: Theranostics
https://www.readbyqxmd.com/read/29771490/photo-responsive-nanovehicle-for-two-independent-wavelength-light-triggered-sequential-release-of-p-gp-shrna-and-doxorubicin-to-optimize-and-enhance-synergistic-therapy-of-multidrug-resistant-cancer
#7
Ming Wu, Xinyi Lin, Xionghong Tan, Jiong Li, Zuwu Wei, Da Zhang, Youshi Zheng, Ai-Xian Zheng, Bixing Zhao, Yongyi Zeng, Xiaolong Liu, Jingfeng Liu
Pre-release of RNA molecules than chemotherapeutic drugs with a sufficient interval is a vital prerequisite for RNA/drug co-delivery strategy to overcome multidrug resistance (MDR) of cancer cells, but how to precisely control their release at different time points is still a grand challenge up to now. This study aims to on-demand remotely manipulate RNA and drug release in real time through single delivery system to sequentially play their respective roles for optimizing and enhancing their synergistic antitumor effects...
May 17, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29770355/host-regulated-hepatitis-b-virus-capsid-assembly-in-a-mammalian-cell-free-system
#8
Kuancheng Liu, Jianming Hu
The hepatitis B virus (HBV) is an important global human pathogen and represents a major cause of hepatitis, liver cirrhosis and liver cancer. The HBV capsid is composed of multiple copies of a single viral protein, the capsid or core protein (HBc), plays multiple roles in the viral life cycle, and has emerged recently as a major target for developing antiviral therapies against HBV infection. Although several systems have been developed to study HBV capsid assembly, including heterologous overexpression systems like bacteria and insect cells, in vitro assembly using purified protein, and mammalian cell culture systems, the requirement for non-physiological concentrations of HBc and salts and the difficulty in manipulating host regulators of assembly presents major limitations for detailed studies on capsid assembly under physiologically relevant conditions...
April 20, 2018: Bio-protocol
https://www.readbyqxmd.com/read/29769566/antiretroviral-drugs-alter-the-content-of-extracellular-vesicles-from-hiv-1-infected-cells
#9
Catherine DeMarino, Michelle L Pleet, Maria Cowen, Robert A Barclay, Yao Akpamagbo, James Erickson, Nicaise Ndembe, Manhattan Charurat, Jibreel Jumare, Sunday Bwala, Peter Alabi, Max Hogan, Archana Gupta, Nicole Noren Hooten, Michele K Evans, Benjamin Lepene, Weidong Zhou, Massimo Caputi, Fabio Romerio, Walter Royal, Nazira El-Hage, Lance A Liotta, Fatah Kashanchi
To date, the most effective treatment of HIV-1 is a combination antiretroviral therapy (cART), which reduces viral replication and reverses pathology. We investigated the effect of cART (RT and protease inhibitors) on the content of extracellular vesicles (EVs) released from HIV-1-infected cells. We have previously shown that EVs contain non-coding HIV-1 RNA, which can elicit responses in recipient cells. In this manuscript, we show that TAR RNA levels demonstrate little change with the addition of cART treatment in cell lines, primary macrophages, and patient biofluids...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29769543/the-cytokine-secretion-profile-of-mesenchymal-stromal-cells-is-determined-by-surface-structure-of-the-microenvironment
#10
Daniëlle G Leuning, Nick R M Beijer, Nadia A du Fossé, Steven Vermeulen, Ellen Lievers, Cees van Kooten, Ton J Rabelink, Jan de Boer
Mesenchymal stromal cells (MSC) secrete factors that contribute to organ homeostasis and repair in a tissue specific manner. For instance, kidney perivascular mesenchymal stromal cells (kPSCs) can facilitate renal epithelial repair through secretion of hepatocyte growth factor (HGF) while the secretome of bone marrow MSCs gives rise to immunosuppression. Stromal cells function in a complex 3-dimensional (3D) connective tissue architecture that induces conformational adaptation. Here we tested the hypothesis that surface topography and associated cell adaptations dictate stromal cell function through tuning of the cytokines released...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29767395/behavioral-therapy-approaches-for-the-management-of-low-back-pain-an-up-to-date-systematic-review
#11
REVIEW
Kristallia Vitoula, Annalena Venneri, Giustino Varrassi, Antonella Paladini, Panagiota Sykioti, Joy Adewusi, Panagiotis Zis
Low back pain is one of the most common causes for seeking medical treatment and it is estimated that one in two people will experience low back pain at some point during their lifetimes. Management of low back pain includes pharmacological and non-pharmacological approaches. Non-pharmaceutical treatments include interventions such as acupuncture, spinal manipulation, and psychotherapy. The latter is especially important as patients who suffer from low back pain often have impaired quality of life and also suffer from depression...
May 16, 2018: Pain and Therapy
https://www.readbyqxmd.com/read/29765191/alleviation-of-posttraumatic-dizziness-by-restoration-of-the-cervical-lordosis-a-cbp-%C3%A2-case-study-with-a-one-year-follow-up
#12
Miles O Fortner, Paul A Oakley, Deed E Harrison
[Purpose] To present the successful treatment of posttraumatic dizziness and neck pains that were initiated in a patient following a whiplash event. [Subject and Methods] A 46 year old male suffered a whiplash event that initiated neck pain and dizziness symptoms. The patient had many positive orthopedic findings and demonstrated a forward head posture and cervical hypolordosis. The patient was treated by Chiropractic BioPhysics® technique including cervical extension traction, extension exercises and spinal manipulative therapy initially three times a week for 16-weeks, and once a month thereafter...
May 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29764948/inducible-lung-epithelial-resistance-requires-multisource-reactive-oxygen-species-generation-to-protect-against-viral-infections
#13
Carson T Kirkpatrick, Yongxing Wang, Miguel M Leiva Juarez, Pooja Shivshankar, Jezreel Pantaleón García, Alexandria K Plumer, Vikram V Kulkarni, Hayden H Ware, Fahad Gulraiz, Miguel A Chavez Cavasos, Gabriela Martinez Zayes, Shradha Wali, Andrew P Rice, Hongbing Liu, James M Tour, William K A Sikkema, Ana S Cruz Solbes, Keith A Youker, Michael J Tuvim, Burton F Dickey, Scott E Evans
Viral pneumonias cause profound worldwide morbidity, necessitating novel strategies to prevent and treat these potentially lethal infections. Stimulation of intrinsic lung defenses via inhalation of synergistically acting Toll-like receptor (TLR) agonists protects mice broadly against pneumonia, including otherwise-lethal viral infections, providing a potential opportunity to mitigate infectious threats. As intact lung epithelial TLR signaling is required for the inducible resistance and as these cells are the principal targets of many respiratory viruses, the capacity of lung epithelial cells to be therapeutically manipulated to function as autonomous antiviral effectors was investigated...
May 15, 2018: MBio
https://www.readbyqxmd.com/read/29764251/future-of-human-mitochondrial-dna-editing-technologies
#14
N Verechshagina, N Nikitchina, Y Yamada, Н Harashima, M Tanaka, K Orishchenko, I Mazunin
ATP and other metabolites, which are necessary for the development, maintenance, and functioning of bodily cells are all synthesized in the mitochondria. Multiple copies of the genome, present within the mitochondria, together with its maternal inheritance, determine the clinical manifestation and spreading of mutations in mitochondrial DNA (mtDNA). The main obstacle in the way of thorough understanding of mitochondrial biology and the development of gene therapy methods for mitochondrial diseases is the absence of systems that allow to directly change mtDNA sequence...
May 15, 2018: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/29762118/pediatric-orthopaedic-consults-from-chiropractic-care
#15
Andy B Awwad, William L Hennrikus, Douglas G Armstrong
Alternative medicine in pediatrics is expanding, with chiropractic now a common choice for families seeking alternative medical care. Currently, there is sparse information in the literature exploring the role of chiropractic in orthopaedic pathology. The objective of this case series is to present pediatric patients who received treatment from chiropractors and orthopaedic physicians as well as to review the respective existing research. Data collected included chiropractic diagnosis, orthopaedic diagnosis, imaging studies, treatments, and complications...
2018: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/29760552/patients-receiving-chiropractic-care-in-a-neurorehabilitation-hospital-a-descriptive-study
#16
Robert D Vining, Stacie A Salsbury, W Carl Cooley, Donna Gosselin, Lance Corber, Christine M Goertz
Objectives: Individuals rehabilitating from complex neurological injury require a multidisciplinary approach, which typically does not include chiropractic care. This study describes inpatients receiving multidisciplinary rehabilitation including chiropractic care for brain injury, spinal cord injury (SCI), stroke, and other complex neurological conditions. Design: Chiropractic services were integrated into Crotched Mountain Specialty Hospital (CMSH) through this project...
2018: Journal of Multidisciplinary Healthcare
https://www.readbyqxmd.com/read/29755344/endophytic-fungi-alternative-sources-of-cytotoxic-compounds-a-review
#17
REVIEW
Fazilath Uzma, Chakrabhavi D Mohan, Abeer Hashem, Narasimha M Konappa, Shobith Rangappa, Praveen V Kamath, Bhim P Singh, Venkataramana Mudili, Vijai K Gupta, Chandra N Siddaiah, Srinivas Chowdappa, Abdulaziz A Alqarawi, Elsayed F Abd Allah
Cancer is a major cause of death worldwide, with an increasing number of cases being reported annually. The elevated rate of mortality necessitates a global challenge to explore newer sources of anticancer drugs. Recent advancements in cancer treatment involve the discovery and development of new and improved chemotherapeutics derived from natural or synthetic sources. Natural sources offer the potential of finding new structural classes with unique bioactivities for cancer therapy. Endophytic fungi represent a rich source of bioactive metabolites that can be manipulated to produce desirable novel analogs for chemotherapy...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29755011/autophagy-and-liver-cancer
#18
Yunus Akkoç, Devrim Gözüaçık
Autophagy is a key biological phenomenon conserved from yeast to mammals. Under basal conditions, activation of autophagy leads to the protein degradation as well as damaged organelles for maintaining cellular homeostasis. Deregulation of autophagy has been identified as a key mechanism contributing to the pathogenesis and progression of several liver diseases, including hepatocellular carcinoma (HCC), one of the most common and mortal types of cancer. Currently used treatment strategies in patients with HCC result in variable success rates...
May 2018: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/29752550/aging-alters-the-immunological-response-to-ischemic-stroke
#19
Rodney M Ritzel, Yun-Ju Lai, Joshua D Crapser, Anita R Patel, Anna Schrecengost, Jeremy M Grenier, Nickolas S Mancini, Anthony Patrizz, Evan R Jellison, Diego Morales-Scheihing, Venugopal R Venna, Julia K Kofler, Fudong Liu, Rajkumar Verma, Louise D McCullough
The peripheral immune system plays a critical role in aging and in the response to brain injury. Emerging data suggest inflammatory responses are exacerbated in older animals following ischemic stroke; however, our understanding of these age-related changes is poor. In this work, we demonstrate marked differences in the composition of circulating and infiltrating leukocytes recruited to the ischemic brain of old male mice after stroke compared to young male mice. Blood neutrophilia and neutrophil invasion into the brain were increased in aged animals...
May 11, 2018: Acta Neuropathologica
https://www.readbyqxmd.com/read/29752242/automated-fes-for-upper-limb-rehabilitation-following-stroke-and-spinal-cord-injury
#20
Edmund F Hodkin, Yuming Lei, Jonathan Humby, Isabel S Glover, Supriyo Choudhury, Hrishikesh Kumar, Monica A Perez, Helen Rodgers, Andrew Jackson
Neurorehabilitation aims to induce beneficial neural plasticity in order to restore function following injury to the nervous system. There is an increasing evidence that appropriately timed functional electrical stimulation (FES) can promote associative plasticity, but the dosage is critical for lasting functional benefits. Here, we present a novel approach to closed-loop control of muscle stimulation for the rehabilitation of reach-to-grasp movements following stroke and spinal cord injury (SCI). We developed a simple, low-cost device to deliver assistive stimulation contingent on users' self-initiated movements...
May 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
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