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https://www.readbyqxmd.com/read/29342448/generation-of-induced-pluripotent-stem-cell-line-cssi002-a-2851-from-a-patient-with-juvenile-huntington-disease
#1
Jessica Rosati, Eris Bidollari, Giovannina Rotundo, Daniela Ferrari, Barbara Torres, Laura Bernardini, Federica Consoli, Alessandro De Luca, Iolanda Santimone, Giuseppe Lamorte, Ferdinando Squitieri, Angelo Luigi Vescovi
Huntington Disease (HD) is an autosomal dominant disorder characterized by motor, cognitive and behavioral features caused by a CAG expansion in the HTT gene beyond 35 repeats. The juvenile form (JHD) may begin before the age of 20years and is associated with expanded alleles as long as 60 or more CAG repeats. In this study, induced pluripotent stem cells were generated from skin fibroblasts of a 8-year-old child carrying a large size mutation of 84 CAG repeats in the HTT gene. HD appeared at age 3 with mixed psychiatric (i...
January 9, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29342432/pharmacists-scope-of-practice-in-travel-health-a-review-of-state-laws-and-regulations
#2
Keri Hurley-Kim, Rebecca Snead, Karl M Hess
OBJECTIVES: The primary objective of this study was to assess pharmacists' authority to provide travel health services in each state and Washington, DC. Secondary objectives were to determine the need for collaborative practice agreements (CPAs), protocols, or prescriptions for this type of pharmacy practice and to identify jurisdictions where pharmacists are able to practice as travel health providers independent of CPAs or individual physician protocols. METHODS: An online survey was developed to assess pharmacists' authority to administer travel immunizations, furnish travel-related medications, and order travel-related laboratory tests...
January 13, 2018: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/29342430/tissue-expander-stimulated-lengthening-of-arteries-for-the-treatment-of-midaortic-syndrome-in-children
#3
Heung Bae Kim, Gabriel J Ramos-Gonzalez, Khashayar Vakili, Deborah R Stein, Michael A Ferguson, Diego Porras, James E Lock, Gulraiz Chaudry, Ahmad Alomari, Steven J Fishman
BACKGROUND: Midaortic syndrome (MAS) is a rare condition characterized by stenosis of the abdominal aorta. Patients with disease refractory to medical management will usually require either endovascular therapy or surgery with use of prosthetic graft material for bypass or patch angioplasty. We report our early experience with a novel approach using a tissue expander (TE) to lengthen the normal native arteries in children with MAS, allowing primary aortic repair without the need for prosthetic graft material...
January 13, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29342326/mixed-fluorotryptophan-substitutions-at-the-same-residue-expand-the-versatility-of-%C3%A2-%C3%A2-f-protein-nmr-spectroscopy
#4
Calem Kenward, Kyungsoo Shin, Jan Rainey
The strategy of applying fluorine NMR to characterize ligand binding to a membrane protein prepared with mixtures of tryptophans substituted with F at different positions on the indole ring was tested. The ¹⁹F NMR behavior of 4-, 5-, 6-, and 7-fluorotryptophan were directly compared as a function of both micellar environment and fragment size for two overlapping apelin receptor (AR/APJ) segments - one with a single transmembrane (TM) helix and two tryptophan residues, the other with three TM helices and two additional tryptophan residues...
January 17, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29342302/determination-of-the-appropriate-physical-density-of-internal-metallic-ports-in-temporary-tissue-expanders-for-the-treatment-planning-of-post-mastectomy-radiation-therapy
#5
Norifumi Mizuno, Haruna Takahashi, Jiro Kawamori, Naoki Nakamura, Mami Ogita, Shogo Hatanaka, Ryouhei Yamauchi, Masatsugu Hariu, Kenji Sekiguchi
Some patients undergoing breast reconstruction require post-mastectomy radiation therapy, but the metallic ports used in temporary tissue expanders attenuate the X-rays. In this study, we evaluated by the film method, the attenuation of 4 MV and 6 MV X-rays after passing through a metallic port, with the aim of identifying a useful method for determining the appropriate density to use in the radiation treatment planning system (RTPS), taking into account the distance between the metallic port and the targets...
January 12, 2018: Journal of Radiation Research
https://www.readbyqxmd.com/read/29342233/quantumclone-clonal-assessment-of-functional-mutations-in-cancer-based-on-a-genotype-aware-method-for-clonal-reconstruction
#6
Paul Deveau, Leo Colmet Daage, Derek Oldridge, Virginie Bernard, Angela Bellini, Mathieu Chicard, Nathalie Clement, Eve Lapouble, Valerie Combaret, Anne Boland, Vincent Meyer, Jean-Francois Deleuze, Isabelle Janoueix-Lerosey, Emmanuel Barillot, Olivier Delattre, John Maris, Gudrun Schleiermacher, Valentina Boeva
Motivation: In cancer, clonal evolution is assessed based on information coming from single nucleotide variants and copy number alterations. Nonetheless, existing methods often fail to accurately combine information from both sources to truthfully reconstruct clonal populations in a given tumor sample or in a set of tumor samples coming from the same patient. Moreover, previously published methods detect clones from a single set of variants. As a result, compromises have to be done between stringent variant filtering (reducing dispersion in variant allele frequency estimates, VAFs) and using all biologically relevant variants...
January 12, 2018: Bioinformatics
https://www.readbyqxmd.com/read/29342200/inhibiting-tgf-beta-signaling-preserves-the-function-of-highly-activated-in-vitro-expanded-natural-killer-cells-in-aml-and-colon-cancer-models
#7
Folashade Otegbeye, Evelyn Ojo, Stephen Moreton, Nathan Mackowski, Dean A Lee, Marcos de Lima, David N Wald
Natural killer cells harnessed from healthy individuals can be expanded ex vivo using various platforms to produce large doses for adoptive transfer into cancer patients. During such expansion, NK cells are increasingly activated and more efficient at killing cancer cells. Adoptive transfer however introduces these activated cells into a highly immunosuppressive tumor microenvironment mediated in part by excessive transforming growth factor beta (TGF-beta) from both cancer cells and their surrounding stroma...
2018: PloS One
https://www.readbyqxmd.com/read/29342180/increased-prevalence-of-pregnancy-and-comparative-risk-of-program-attrition-among-individuals-starting-hiv-treatment-in-east-africa
#8
Charles B Holmes, Constantin T Yiannoutsos, Batya Elul, Elizabeth Bukusi, John Ssali, Andrew Kambugu, Beverly S Musick, Craig Cohen, Carolyn Williams, Lameck Diero, Nancy Padian, Kara K Wools-Kaloustian
BACKGROUND: The World Health Organization now recommends initiating all pregnant women on life-long antiretroviral therapy (ART), yet there is limited information about the characteristics and program outcomes of pregnant women already on ART in Africa. Our hypothesis was that pregnant women comprised an increasing proportion of those starting ART, and that sub-groups of these women were at higher risk for program attrition. METHODS AND FINDINGS: We used the International Epidemiology Databases to Evaluate AIDS- East Africa (IeDEA-EA) to conduct a retrospective cohort study including HIV care and treatment programs in Kenya, Uganda, and Tanzania...
2018: PloS One
https://www.readbyqxmd.com/read/29342103/minimally-invasive-neural-interface-for-distributed-wireless-electrocorticogram-recording-systems
#9
Sun-Il Chang, Sung-Yun Park, Euisik Yoon
This paper presents a minimally-invasive neural interface for distributed wireless electrocorticogram (ECoG) recording systems. The proposed interface equips all necessary components for ECoG recording, such as the high performance front-end integrated circuits, a fabricated flexible microelectrode array, and wireless communication inside a miniaturized custom-made platform. The multiple units of the interface systems can be deployed to cover a broad range of the target brain region and transmit signals via a built-in intra-skin communication (ISCOM) module...
January 17, 2018: Sensors
https://www.readbyqxmd.com/read/29342064/minimally-manipulated-bone-marrow-concentrate-compared-with-microfracture-treatment-of-full-thickness-chondral-defects-a-one-year-study-in-an-equine-model
#10
Constance R Chu, Lisa A Fortier, Ashley Williams, Karin A Payne, Taralyn M McCarrel, Megan E Bowers, Diego Jaramillo
BACKGROUND: Microfracture is commonly performed for cartilage repair but usually results in fibrocartilage. Microfracture augmented by autologous bone marrow concentrate (BMC) was previously shown to yield structurally superior cartilage repairs in an equine model compared with microfracture alone. The current study was performed to test the hypothesis that autologous BMC without concomitant microfracture improves cartilage repair compared with microfracture alone. METHODS: Autologous sternal bone marrow aspirate (BMA) was concentrated using a commercial system...
January 17, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29342010/the-ever-expanding-saga-of-the-proprotein-convertases-and-their-roles-in-body-homeostasis-emphasis-on-novel-proprotein-convertase-subtilisin-kexin-number-9-functions-and-regulation
#11
Nabil G Seidah, Michel Chrétien, Majambu Mbikay
PURPOSE OF REVIEW: The nine members of the proprotein convertase family play major physiological roles during development and in the adult, and their dysregulation leads to various diseases. The primary objective of this article is to review recent findings on the clinical importance of some of these convertases concentrating mostly on PCSK9, the ninth member of the convertase family. This includes the transcriptional and translational regulation of PCSK9, its ability to enhance the degradation of LDL receptor (LDLR), and the implication of PCSK9 in inflammation and sepsis...
January 15, 2018: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/29341865/evidence-of-genetic-predisposition-for-metabolically-healthy-obesity-and-metabolically-obese-normal-weight
#12
Lam Opal Huang, Ruth Loos, Tuomas Oskari Kilpeläinen
Obesity has evolved into a global pandemic, which constitutes a major threat to public health. The majority of obesity-related health care costs are due to cardiometabolic complications, such as insulin resistance, dyslipidemia, and hypertension, which are risk factors for type 2 diabetes and cardiovascular disease. However, many obese individuals, often called metabolically healthy obese (MHO), seem to be protected from these cardiometabolic complications. Conversely, there is a group of individuals who suffer from cardiometabolic complications despite being of normal weight; a condition termed metabolically obese normal weight (MONW)...
December 20, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/29341839/activation-of-frataxin-protein-expression-by-antisense-oligonucleotides-targeting-the-mutant-expanded-repeat
#13
Liande Li, Xiulong Shen, Zhongtian Liu, Michaela Norrbom, Thazha P Prakash, Daniel O'Reilly, Vivek K Sharma, Masad J Damha, Jonathan K Watts, Frank Rigo, David R Corey
Friedreich's Ataxia (FA) is an inherited neurologic disorder caused by an expanded GAA repeat within intron 1 of the frataxin (FXN) gene that reduces expression of FXN protein. Agents that increase expression of FXN have the potential to alleviate the disease. We previously reported that duplex RNAs (dsRNAs) and antisense oligonucleotides (ASOs) complementary to the GAA repeat could enhance expression of FXN protein. We now explore the potential of a diverse group of chemically modified dsRNAs and ASOs to define the breadth of repeat-targeted synthetic nucleic acids as a platform for therapeutic development for FA...
January 17, 2018: Nucleic Acid Therapeutics
https://www.readbyqxmd.com/read/29341821/deuterium-tetrabenazine-for-tardive-dyskinesia
#14
Michael A Cummings, George J Proctor, Stephen M Stahl
Tardive dyskinesia remains a significant, potentially stigmatizing or crippling adverse effect for any patient treated with an antipsychotic medication. While second- and third-generation antipsychotics have exhibited lower annual incidence rates for tardive dyskinesia than classic or first-generation agents, 3.9% versus 5.5%, the estimated incidence rate is only modestly lower. When coupled with the fact that second- and third-generation antipsychotic medications have come to be employed in treating a wider range of disorders (e...
January 2018: Clinical Schizophrenia & related Psychoses
https://www.readbyqxmd.com/read/29341480/cutis-laxa-and-excessive-bone-growth-due-to-de-novo-mutations-in-ptdss1
#15
Juliette Piard, James Lespinasse, Marketa Vlckova, Martin A Mensah, Sorin Iurian, Martina Simandlova, Marcela Malikova, Oliver Bartsch, Massimiliano Rossi, Marion Lenoir, Frédérique Nugues, Stefan Mundlos, Uwe Kornak, Philip Stanier, Sérgio B Sousa, Lionel Van Maldergem
The cutis laxa syndromes are multisystem disorders that share loose redundant inelastic and wrinkled skin as a common hallmark clinical feature. The underlying molecular defects are heterogeneous and 13 different genes have been involved until now, all of them being implicated in elastic fiber assembly. We provide here molecular and clinical characterization of three unrelated patients with a very rare phenotype associating cutis laxa, facial dysmorphism, severe growth retardation, hyperostotic skeletal dysplasia, and intellectual disability...
January 17, 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29341428/epigenetic-silencing-of-tap1-in-aldefluor-breast-cancer-stem-cells-contributes-to-their-enhanced-immune-evasion
#16
Mohammad Sultan, Dejan Vidovic, Arianne S Paine, Thomas T Huynh, Krysta M Coyle, Margaret L Thomas, Brianne M Cruickshank, Cheryl A Dean, Derek R Clements, Youra Kim, Kristin Lee, Shashi A Gujar, Ian C Weaver, Paola Marcato
Avoiding detection and destruction by immune cells is key for tumor initiation and progression. The important role of cancer stem cells (CSC) in tumor initiation has been well established, yet their ability to evade immune detection and targeting is only partly understood. To investigate the ability of breast CSCs to evade immune detection we identified a highly tumorigenic population in a spontaneous murine mammary tumor based on increased aldehyde dehydrogenase (ALDH) activity. We performed tumor growth studies in immunocompetent and immunocompromised mice...
January 17, 2018: Stem Cells
https://www.readbyqxmd.com/read/29341391/control-of-protein-activity-and-gene-expression-by-cyclofen-oh-uncaging
#17
Weiting Zhang, Fatima Hamouri, Zhiping Feng, Isabelle Aujard, Bertrand Ducos, Shixin Ye, Shimon Weiss, Michel Volovitch, Sophie Vriz, Ludovic Jullien, David Bensimon
The use of light to control the expression of genes and the activity of proteins is a rapidly expanding field. While many of these approaches use a fusion between a light activable protein and the protein of interest to control the activity of the later, it is also possible to control the activity of a protein by uncaging a specific ligand. In that context, controlling the activation of a protein fused to the modified estrogen receptor (ERT) by uncaging its ligand cyclofen-OH has emerged as a generic and versatile method to control the activation of proteins quantitatively, quickly and locally in a live organism...
January 16, 2018: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/29341343/small-heat-shock-protein-b3-hspb3-mutation-in-an-axonal-charcot-marie-tooth-disease-family
#18
Da Eun Nam, Soo Hyun Nam, Ah Jin Lee, Young Bin Hong, Byung-Ok Choi, Ki Wha Chung
HSPB3 gene encodes a small heat-shock protein 27-like protein which has a high sequence homology with HSPB1. A mutation in the HSPB3 was reported as the putative underlying cause of distal hereditary motor neuropathy 2C (dHMN2C) in 2010. We identified a heterozygous mutation (c.352T>C, p.Tyr118His) in the HSPB3 from a Charcot-Marie-Tooth disease type 2 (CMT2) family by the method of targeted next generation sequencing. The mutation was located in the well conserved alpha-crystalline domain, and several in silico predictions indicated a pathogenic effect of the mutation...
January 17, 2018: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/29341304/enantioselective-synthesis-of-aminodiols-by-sequential-rh-catalysed-oxyamination-kinetic-resolution-expanding-the-substrate-scope-of-amidine-based-catalysis
#19
Joan Guasch, Irene Giménez, Ignacio Funes-Ardoiz, Isabel Matheu, Feliu Maseras, Sergio Castillón, Yolanda Díaz, Miguel Bernús
Regio- and stereoselective oxyamination of dienes through a tandem rhodium catalysed aziridination-nucleophilic opening affords racemic oxazolidinone derivatives, which undergo a kinetic resolution acylation process using ABCs (amidine-based catalysts) achieving s values up to 117. This protocol was applied to the enantioselective synthesis of sphingosine.
January 17, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29341292/amniotic-fluid-stem-cell-exosomes-therapeutic-perspective
#20
Francesca Beretti, Manuela Zavatti, Francesca Casciaro, Giuseppina Comitini, Fabrizia Franchi, Veronica Barbieri, Giovanni B La Sala, Tullia Maraldi
It is widely accepted that the therapeutic potential of stem cells can be largely mediated by paracrine factors, also included into exosomes. Thus, stem cell-derived exosomes represent a major therapeutic option in regenerative medicine avoiding, if compared to stem cells graft, abnormal differentiation and tumor formation. Exosomes derived from mesenchymal stem cells (MSC) induce damaged tissue repair, and can also exert immunomodulatory effects on the differentiation, activation and function of different lymphocytes...
January 16, 2018: BioFactors
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