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https://www.readbyqxmd.com/read/28432997/serum-uric-acid-level-is-linked-to-the-disease-progression-rate-in-male-patients-with-multiple-system-atrophy
#1
Jiro Fukae, Shinsuke Fujioka, Shosaburo Yanamoto, Akio Mori, Takahiro Nomi, Taku Hatano, Kousuke Fukuhara, Shinji Ouma, Nobutaka Hattori, Yoshio Tsuboi
OBJECTIVES: Multiple system atrophy (MSA) is a progressive neurodegenerative disorder that may be caused in part by oxidative stress. Uric acid (UA) protects neurons in neurodegenerative disorders via antioxidative effects. The aim of this study was to investigate the relationship between the serum UA concentration and disease progression in MSA patients. PATIENTS AND METHODS: A total of 53 Japanese MSA patients were enrolled in this study. The disease progression rate was estimated by the rate of global disability scale change per year...
April 3, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28432988/comprehension-of-concrete-and-abstract-words-in-semantic-variant-primary-progressive-aphasia-and-alzheimer-s-disease-a-behavioral-and-neuroimaging-study
#2
Sven Joubert, Guillaume T Vallet, Maxime Montembeault, Mariem Boukadi, Maximiliano A Wilson, Robert Jr Laforce, Isabelle Rouleau, Simona M Brambati
The aim of this study was to investigate the comprehension of concrete, abstract and abstract emotional words in semantic variant primary progressive aphasia (svPPA), Alzheimer's disease (AD), and healthy elderly adults (HE) Three groups of participants (9 svPPA, 12 AD, 11 HE) underwent a general neuropsychological assessment, a similarity judgment task, and structural brain MRI. The three types of words were processed similarly in the group of AD participants. In contrast, patients in the svPPA group were significantly more impaired at processing concrete words than abstract words, while comprehension of abstract emotional words was in between...
April 19, 2017: Brain and Language
https://www.readbyqxmd.com/read/28432980/discovery-of-potential-inhibitor-against-human-acetylcholinesterase-a-molecular-docking-and-molecular-dynamics-investigation
#3
Surya Pratap Singh, Dwijendra Gupta
Alzheimer's disease (AD) is a progressive neurodegenerative disease of central nervous system among elderly people. Human acetylcholinesterase (hAChE), an important enzyme in neuronal signaling, is responsible for the degradation of acetylcholine which in turn prevents the post synaptic signal transmissions. hAChE has been an attractive target of drug discovery for the search of therapeutics against AD. In the recent past hAChE has become hot target for the investigation of new potential therapeutics. We performed virtual screening of entire database against hAChE...
April 12, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28432975/vaccination-strategies-against-zika-virus
#4
REVIEW
Estefania Fernandez, Michael S Diamond
The epidemic emergence of Zika virus (ZIKV) in 2015-2016 has been associated with congenital malformations and neurological sequela. Current efforts to develop a ZIKV vaccine build on technologies that successfully reduced infection or disease burden against closely related flaviviruses or other RNA viruses. Subunit-based (DNA plasmid and modified mRNA), viral vectored (adeno- and measles viruses) and inactivated viral vaccines are already advancing to clinical trials in humans after successful mouse and non-human primate studies...
April 19, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28432957/nanoencapsulation-strategies-for-the-delivery-of-novel-bifunctional-antioxidant-%C3%AF-1-selective-ligands
#5
Claudia Carbone, Emanuela Arena, Veronica Pepe, Orazio Prezzavento, Ivana Cacciatore, Hasan Turkez, Agostino Marrazzo, Antonio Di Stefano, Giovanni Puglisi
Nowadays sigma-1 receptors are considered as new therapeutic objectives for central nervous system neurodegenerative diseases. Among different molecules, alpha lipoic acid has been identified as a natural potent antioxidant drug, whose therapeutic efficacy is limited by its many drawbacks, such as fast metabolism, poor bioavailability and high physico-chemical instability. Alfa-lipoic acid derivatives have been recently developed demonstrating their neuroprotective activity and effectiveness in different types of oxidative stress...
April 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28432944/phototoxic-action-of-a-zinc-ii-phthalocyanine-encapsulated-into-poloxamine-polymeric-micelles-in-2d-and-3d-colon-carcinoma-cell-cultures
#6
Nicolás Chiarante, María C García Vior, Josefina Awruch, Julieta Marino, Leonor P Roguin
Photodynamic therapy is emerging as a hopeful method for the treatment of oncological diseases. In the search of novel therapeutic strategies for colorectal cancer, in this work we reported the photocytotoxic activity of a lipophilic zinc(II) phthalocyanine on a murine colon adenocarcinoma cell line (CT26 cells). The 2,9(10),16(17),23(24) tetrakis[(2-dimethylamino)ethylsulfanyl]phthalocyaninatozinc(II), named Pc9, was encapsulated into Tetronic® 1107 polymeric poloxamine micelles (T1107) and assayed in 2D and 3D cell cultures...
April 11, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28432927/type-2-bvdv-n-pro-suppresses-ifn-1-pathway-signaling-in-bovine-cells-and-augments-brsv-replication
#7
Abdulrahman A Alkheraif, Christina L Topliff, Jay Reddy, Chandirasegaran Massilamany, Ruben O Donis, Gregor Meyers, Kent M Eskridge, Clayton L Kelling
Bovine viral diarrhea virus (BVDV) infection induces immunosuppression and in conjunction with bovine respiratory syncytial virus (BRSV) contributes to the bovine respiratory disease complex. Bovine turbinate cells were single or co-infected with type 2 BVDV wild-type (BVDV2-wt), its dysfunctional N(pro) mutant (BVDV2-E), and/or BRSV. BVDV2-E significantly up-regulated PKR, IRF-7, TBK-1, IRF-3, and IFN-β mRNAs based on real-time Q-RT-PCR. BRSV-infected cells expressed significantly up-regulated PKR, IRF-3, IRF-7, and IFN-β mRNAs, whereas BVDV2-wt, but not BVDV2-E, abolished this up-regulation in co-infection...
April 19, 2017: Virology
https://www.readbyqxmd.com/read/28432901/neuromuscular-rate-of-force-development-deficit-in-parkinson-disease
#8
Kelley G Hammond, Ronald F Pfeiffer, Mark S LeDoux, Brian K Schilling
BACKGROUND: Bradykinesia and reduced neuromuscular force exist in Parkinson disease. The interpolated twitch technique has been used to evaluate central versus peripheral manifestations of neuromuscular strength in healthy, aging, and athletic populations, as well as moderate to advanced Parkinson disease, but this method has not been used in mild Parkinson disease. This study aimed to evaluate quadriceps femoris rate of force development and quantify potential central and peripheral activation deficits in individuals with Parkinson disease...
April 11, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28432883/sagittal-plane-joint-kinetics-during-stair-ascent-in-patients-with-peripheral-arterial-disease-and-intermittent-claudication
#9
Stephanie L King, Natalie Vanicek, Thomas D O'Brien
Stair negotiation poses a substantial physical demand on the musculoskeletal system and this challenging task can place individuals at risk of falls. Peripheral arterial disease (PAD) can cause intermittent claudication (IC) pain in the calf and results in altered gait mechanics during level walking. However, whether those with PAD-IC adopt alternate strategies to climb stairs is unknown. Twelve participants with PAD-IC (six bilateral and six unilateral) and 10 healthy controls were recruited and instructed to ascend a five-step staircase whilst 3D kinematic data of the lower-limbs were recorded synchronously with kinetic data from force plates embedded into the staircase on steps two and three...
March 28, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28432876/effect-of-pistachio-consumption-on-the-modulation-of-urinary-gut-microbiota-related-metabolites-in-prediabetic-subjects
#10
Pablo Hernández-Alonso, Daniel Cañueto, Simona Giardina, Jordi Salas-Salvadó, Nicolau Cañellas, Xavier Correig, Mònica Bulló
The specific nutritional composition of nuts could affect different metabolic pathways involved in a broad range of metabolic diseases. We therefore investigated whether chronic consumption of pistachio nuts modifies the urine metabolome in prediabetic subjects. We designed a randomized crossover clinical trial in 39 prediabetic subjects. They consumed a pistachio-supplemented diet (PD, 50% carbohydrates, 33% fat, including 57 g/d of pistachios daily) and a control diet (CD, 55% carbohydrates, 30% fat) for 4 months each, separated by a 2-week wash-out...
April 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28432872/human-effector-memory-t-helper-cells-engage-with-mouse-macrophages-and-cause-graft-versus-host-like-pathology-in-skin-of-humanized-mice-used-in-a-nonclinical-immunization-study
#11
Bala S Sundarasetty, Valery Volk, Sebastian J Theobald, Susanne Rittinghausen, Dirk Schaudien, Vanessa Neuhaus, Constanca Figueiredo, Andreas Schneider, Laura Gerasch, Adele Mucci, Thomas Moritz, Constantin von Kaisenberg, Loukia M Spineli, Katherina Sewald, Armin Braun, Henning Weigt, Arnold Ganser, Renata Stripecke
Humanized mice engrafted with human hematopoietic stem cells and developing functional human T-cell adaptive responses are in critical demand to test human-specific therapeutics. We previously showed that humanized mice immunized with long-lived induced-dendritic cells loaded with the pp65 viral antigen (iDCpp65) exhibited a faster development and maturation of T cells. Herein, we evaluated these effects in a long-term (36 weeks) nonclinical model using two stem cell donors to assess efficacy and safety. Relative to baseline, iDCpp65 immunization boosted the output of effector memory CD4(+) T cells in peripheral blood and lymph nodes...
April 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28432871/mir-24-3p-is-overexpressed-in-hodgkin-lymphoma-and-protects-hodgkin-and-reed-sternberg-cells-from-apoptosis
#12
Ye Yuan, Joost Kluiver, Jasper Koerts, Debora de Jong, Bea Rutgers, Fazlyn Reeny Abdul Razak, Martijn Terpstra, Boudewijn Plaat, Ilja M Nolte, Arjan Diepstra, Lydia Visser, Klaas Kok, Anke van den Berg
miRNAs play important roles in biological processes, such as proliferation, metabolism, differentiation, and apoptosis, whereas altered expression levels contribute to diseases, such as cancers. We identified miRNAs with aberrant expression in Hodgkin lymphoma (HL) and investigated their role in pathogenesis. Small RNA sequencing revealed 84 significantly differentially expressed miRNAs in HL cell lines as compared to germinal center B cells. Three up-regulated miRNAs-miR-23a-3p, miR-24-3p, and miR-27a-3p-were derived from one primary miRNA transcript...
April 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28432858/regulatory-function-of-parasites-in-autoimmune-disease-%C3%A2-outcome-from-experimental-model-infection
#13
Katarzyna Krawczak, Katarzyna Donskow-Łysoniewska, Maria Doligalska
It is estimated that more than half of the nowadays known species are pathogenic parasites. Among macroparasites gastrointestinal nematodes are one of most common and having significant impact on life and health. Those organisms reveal strong, specific immune response in host, involving primary mechanisms associated with regulatory and Th2 cells. Referring to immunomodulatory abilities of helminths, parasite infections started to be considered as a possible therapy for many autoimmune diseases. Clinical trials on 2nd and 3rd stage are conducted in spite that treatment has not been recognized as safe for common use...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28432856/the-effectiveness-of-exercise-in-adults-with-systemic-lupus-erythematosus-a-systematic-review-and-meta-analysis-to-guide-evidence-based-practice
#14
Mei-Ling Wu, Kuang-Hui Yu, Jen-Chen Tsai
BACKGROUND: Fatigue is the most common and unpleasant symptom of patients with systemic lupus erythematosus (SLE). However, there is limited information regarding how exercise affects fatigue. AIMS: The purpose of this study is to review and synthesize the current knowledge concerning the effectiveness of exercise training for treating fatigue among adults with SLE. The characteristics of beneficial exercise training are further evaluated. METHODS: We conducted a systematic review and meta-analysis...
April 22, 2017: Worldviews on Evidence-based Nursing
https://www.readbyqxmd.com/read/28432849/upper-extremity-deep-venous-thrombosis-and-stenosis-after-implantation-of-pacemakers-and-defibrillators-a-prospective-study
#15
Morteza Safi, Mohammad Ali Akbarzadeh, Azadeh Azinfar, Mohammad Hasan Namazi, Isa Khaheshi
BACKGROUND: Obstruction of the access vein following cardiac pacemaker and defibrillator implantation is a common complication. However, the exact incidence and contributing risk factors are unknown. The aim of this study is to determine the incidence and analyze the contribution of each risk factor. METHODS: 57 consecutive patients candidate for their first transvenous pacemaker, implantable cardioverter-defibrillator (ICD), or cardiac resynchronization therapy device implantation were enrolled...
April 22, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28432836/autoimmune-hepatitis-from-current-knowledge-and-clinical-practice-to-future-research-agenda
#16
REVIEW
Marcial Sebode, Johannes Hartl, Diego Vergani, Ansgar W Lohse
Autoimmune hepatitis (AIH) is a chronic inflammatory liver disease. Unknown triggers lead to a mainly T cell-mediated immune response targeting the liver, the main auto-antigen of which has not been identified yet. The diagnosis of AIH is based on the elevation of immunoglobulin G / hypergammaglobulinemia, detection of characteristic autoantibodies as well as a typical pattern on liver histology. Exclusion of other causes of hepatitis and response to immunosuppressive treatment support the diagnosis of AIH...
April 22, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28432816/rhodnius-prolixus-from-classical-physiology-to-modern-developmental-biology
#17
REVIEW
Rodrigo Nunes-da-Fonseca, Mateus Berni, Vitória Tobias-Dos-Santos, Attilio Pane, Helena Marcolla Araujo
The hemiptera Rhodnius prolixus is a blood-feeding insect and a primary vector of Trypanosoma cruzi, the etiological agent of the Chagas disease. Over the past century, Rhodnius has been the subject of intense investigations, which have contributed to unveil important aspects of metabolism and physiology in insects. Recent technological innovations are helping dissect the genetic and molecular underpinnings of Rhodnius embryogenesis and organogenesis, thus fostering the use of this important species in the fields of developmental and evolutionary biology...
April 22, 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28432811/yu-et%C3%A2-al-host-cell-mutants-resistant-to-cryptosporidium-parvum-characterization-of-host-cell-mutants-significantly-resistant-to-cryptosporidium-parvum-infection
#18
Xue Yu, Haili Zhang, Guan Zhu
Cryptosporidium parvum is a parasitic protist and a causative agent of mild to severe diarrheal diseases in humans and animals. Despite its globally recognized importance, knowledge on the mechanism of parasite invasion and molecular interactions between host cells and the parasite is limited. Here we report the establishment of 43 mutant cell lines derived from HCT-8 cells by UV-induced mutagenesis and the characterization of three mutants with significantly reduced susceptibility to cryptosporidial infection...
April 22, 2017: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/28432802/subsequent-malignancies-after-allogeneic-hematopoietic-stem-cell-transplantation
#19
Mehmet Gündüz, Mehmet Özen, Uğur Şahin, Selami Koçak Toprak, Sinem Civriz Bozdağ, Meltem Kurt Yüksel, Önder Arslan, Muhit Özcan, Taner Demirer, Meral Beksaç, Osman İlhan, Günhan Gürman, Pervin Topçuoğlu
We evaluated 979 patients for the development of post-transplant lymphoproliferative disease (PTLD) and solid malignancies after allogeneic hematopoietic stem cell transplantations (allo-HSCT) as a late complication. We found 15 (1.5%) subsequent malignancies; three of these malignancies were PTLD, and twelve were solid tumors. The median time from allo-HSCT to the development of PTLD was 9 (3-20) months and that from allo-HSCT to the development of solid tumors was 93 (6-316) months. The cumulative incidence of evolving subsequent malignancy in patients was 1...
April 22, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28432788/structure-of-fam20a-reveals-a-pseudokinase-featuring-unique-disulfide-pattern-and-inverted-atp-binding
#20
Jixin Cui, Qinyu Zhu, Hui Zhang, Michael A Cianfrocco, Andres E Leschziner, Jack E Dixon, Junyu Xiao
Mutations in FAM20A cause tooth enamel defects known as Amelogenesis Imperfecta (AI) and renal calcification. We previously showed that Fam20A is a secretory pathway pseudokinase and allosterically activates the physiological casein kinase Fam20C to phosphorylate secreted proteins important for biomineralization (Cui et al., 2015). Here we report the nucleotide-free and ATP-bound structures of Fam20A. Fam20A exhibits a distinct disulfide bond pattern mediated by a unique insertion region. Loss of this insertion due to abnormal mRNA splicing interferes with the structure and function of Fam20A, resulting in AI...
April 22, 2017: ELife
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