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https://www.readbyqxmd.com/read/29342407/vitamin-d-and-iron-deficiencies-in-children-and-adolescents-with-cerebral-palsy
#1
C Le Roy, S Barja, C Sepúlveda, M L Guzmán, M Olivarez, M J Figueroa, M Alvarez
INTRODUCTION: Children and adolescents with cerebral palsy (CP) are at a greater risk of malnutrition and micronutrient deficiencies. Two deficiencies that we can study and treat are vitaminD (VD) and iron deficiencies; however, no studies have described these deficiencies in Chile. OBJECTIVE: To describe the status of VD and iron in patients with CP and evaluate the relationship with certain factors associated with deficiencies of these micronutrients. PATIENTS AND METHOD: We performed a descriptive, cross-sectional study including 69 patients aged between 2 and 21years, from two public hospitals...
January 13, 2018: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/29342359/semiconducting-photothermal-nanoagonist-for-remote-controlled-specific-cancer-therapy
#2
Xu Zhen, Chen Xie, Yuyan Jiang, Xiangzhao Ai, Bengang Xing, Kanyi Pu
Nanomedicines have shown success in cancer therapy, but the pharmacological actions of most nanomedicine are often nonspecific to cancer cells because of utilization of the therapeutic agents that induce cell apoptosis from inner organelles. We herein report the development of semiconducting photothermal nanoagonists that can remotely and specifically initiate the apoptosis of cancer cells from cell membrane. The organic nanoagonists comprise semiconducting polymer nanoparticles (SPNs) and capsaicin (Cap) as the photothermally-responsive nanocarrier and the agonist for activation of transient receptor potential cation channel subfamily V member 1 (TRPV1), respectively...
January 17, 2018: Nano Letters
https://www.readbyqxmd.com/read/29342186/doxorubicin-provoked-increase-of-mitotic-activity-and-concomitant-drain-of-g0-pool-in-therapy-resistant-be-2-c-neuroblastoma
#3
Isabell Hultman, Linnea Haeggblom, Ingvild Rognmo, Josefin Jansson Edqvist, Evelina Blomberg, Rouknuddin Ali, Lottie Phillips, Bengt Sandstedt, Per Kogner, Shahrzad Shirazi Fard, Lars Ährlund-Richter
In this study chemotherapy response in neuroblastoma (NB) was assessed for the first time in a transplantation model comprising non-malignant human embryonic microenvironment of pluripotent stem cell teratoma (PSCT) derived from diploid bona fide hESC. Two NB cell lines with known high-risk phenotypes; the multi-resistant BE(2)-C and the drug sensitive IMR-32, were transplanted to the PSCT model and the tumour growth was exposed to single or repeated treatments with doxorubicin, and thereafter evaluated for cell death, apoptosis, and proliferation...
2018: PloS One
https://www.readbyqxmd.com/read/29342125/induction-of-pro-apoptotic-endoplasmic-reticulum-stress-in-multiple-myeloma-cells-by-neo214-perillyl-alcohol-conjugated-to-rolipram
#4
Thomas C Chen, Nymph Chan, Shirin Labib, Jiali Yu, Hee-Yeon Cho, Florence M Hofman, Axel H Schönthal
Despite the introduction of new therapies for multiple myeloma (MM), many patients are still dying from this disease and novel treatments are urgently needed. We have designed a novel hybrid molecule, called NEO214, that was generated by covalent conjugation of the natural monoterpene perillyl alcohol (POH), an inducer of endoplasmic reticulum (ER) stress, to rolipram (Rp), an inhibitor of phosphodiesterase-4 (PDE4). Its potential anticancer effects were investigated in a panel of MM cell lines. We found that NEO214 effectively killed MM cells in vitro with a potency that was over an order of magnitude stronger than that of its individual components, either alone or in combination...
January 17, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29342119/novel-hybrid-formulations-based-on-thiourea-derivatives-and-core-shell-fe%C3%A2-o%C3%A2-c18-nanostructures-for-the-development-of-antifungal-strategies
#5
Carmen Limban, Alexandru Vasile Missir, Miron Teodor Caproiu, Alexandru Mihai Grumezescu, Mariana Carmen Chifiriuc, Coralia Bleotu, Luminita Marutescu, Marius Toma Papacocea, Diana Camelia Nuta
The continuously increasing global impact of fungal infections is requiring the rapid development of novel antifungal agents. Due to their multiple pharmacological activities, thiourea derivatives represent privileged candidates for shaping new drugs. We report here the preparation, physico-chemical characterization and bioevaluation of hybrid nanosystems based on new 2-((4-chlorophenoxy)methyl)-N-(substituted phenylcarbamo-thioyl)benzamides and Fe₃O₄@C18 core@shell nanoparticles. The new benzamides were prepared by an efficient method, then their structure was confirmed by spectral studies and elemental analysis and they were further loaded on Fe₃O₄@C18 nanostructures...
January 17, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29341979/wilson-s-disease-in-children-a-position-paper-by-the-european-society-for-paediatric-gastroenterology-hepatology-and-nutrition-committee
#6
Piotr Socha, Wojciech Janczyk, Anil Dhawan, Ulrich Baumann, Lorenzo D'Antiga, Stuart Tanner, Raffaele Iorio, Pietro Vajro, Roderick Houwen, Björn Fischler, Antal Dezsofi, Nedim Hadzic, Loreto Hierro, Jörg Jahnel, Valérie McLin, Valerio Nobili, Francoise Smets, Henkjan J Verkade, Dominique Debray
BACKGROUND: Clinical presentations of Wilson's disease (WD) in childhood ranges from asymptomatic liver disease to cirrhosis or acute liver failure, while neurological and psychiatric symptoms are rare. The basic diagnostic approach includes serum ceruloplasmin and 24h-urinary copper excretion. Final diagnosis of WD can be established using a diagnostic scoring system based on symptoms, biochemical tests assessing copper metabolism and molecular analysis of mutations in the ATP7B gene...
October 26, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29341978/assessment-of-clinical-trials-for-devices-intended-to-control-myopia-progression-in-children
#7
Marc W Robboy, Gene Hilmantel, Michelle E Tarver, Malvina B Eydelman
The increased prevalence of myopia in the United States and other regions of the world, and the sight-threatening problems associated with higher levels of myopia have led to great interest in research designed to reduce these rates. As most of the progression of myopia occurs in childhood, these investigations have been directed toward slowing the progression of myopia in children. Treatments described to potentially slow the progression of myopia have included pharmacological interventions, multifocal spectacles, and multifocal correction created by contact lenses...
January 15, 2018: Eye & Contact Lens
https://www.readbyqxmd.com/read/29341952/a-pharmacological-review-leptadenia-reticulata-wight-arn-jivanti-the-real-life-giving-plant
#8
Jayesh M Dhalani, Pankaj B Nariya
The present review reveals a comprehensive description of various pharmacological studies carried out on Leptadenia reticulata, a source of several active compounds, i.e. Leptadenia reticulata plant belonging to family Asclepiadaceae, it is also known as 'Jivanti', used for the treatment of various ailments in human civilization as well as used in folk medicine as a remedy in various reported herbal formulations. The plant has been found to exhibit diverse pharmacological activities like antibacterial activity, anticancer activity, lactogenic eff ect, antioxidant activity, anti-implantation activity, anti-asthmatic activity, modulating eff ect, activity of silver nano particles, hepatoprotective activity, antifungal activity, antidiabetic activity and anti-infl ammatory activity...
December 20, 2017: Folia Medica
https://www.readbyqxmd.com/read/29341928/a-novel-brown-adipocyte-enriched-long-non-coding-rna-that-is-required-for-brown-adipocyte-differentiation-and-sufficient-to-drive-thermogenic-gene-program-in-white-adipocytes
#9
Yan Xiong, Feng Yue, Zhihao Jia, Yun Gao, Wen Jin, Keping Hu, Yong Zhang, Dahai Zhu, Gongshe Yang, Shihuan Kuang
The thermogenic activities of brown and beige adipocytes can be exploited to reduce energy surplus and counteract obesity. Recent RNA sequencing studies have uncovered a number of long noncoding RNAs (lncRNAs) uniquely expressed in white and brown adipose tissues (WAT and BAT), but whether and how these lncRNAs function in adipogenesis remain largely unknown. Here, we report the identification of a novel brown adipocyte-enriched LncRNA (AK079912), and its nuclear localization, function and regulation. The expression of AK079912 increases during brown preadipocyte differentiation and in response to cold-stimulated browning of white adipocytes...
January 13, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29341924/maca-polysaccharides-a-review-of-compositions-isolation-therapeutics-and-prospects
#10
REVIEW
Yujuan Li, Fangxue Xu, Mengmeng Zheng, Xiaozhi Xi, Xiaowei Cui, Chunchao Han
Maca polysaccharides, some of the major bioactive substances in Lepidium meyenii (Walp.) (Maca), have various biological properties, including anti-oxidant, anti-fatigue, anti-tumor, and immunomodulatory effects, as well as hepatoprotective activity and regulation function. Although many therapeutics depend on multiple structures of maca polysaccharides in addition to providing sufficient foundations for maca polysaccharide products in industrial applications, the relationships between the pharmacological effects and structures have not been established...
January 13, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29341808/development-of-an-open-access-web-based-interactive-tool-to-learn-autonomic-nervous-system-physiology-and-pharmacology
#11
Aydin Zahedivash, Michael W Lee
No abstract text is available yet for this article.
March 1, 2018: Advances in Physiology Education
https://www.readbyqxmd.com/read/29341803/licorice-pretreatment-protects-against-brain-damage-induced-by-middle-cerebral-artery-occlusion-in-mice
#12
Chiyeon Lim, Sehyun Lim, Byoungho Lee, Buyeo Kim, Suin Cho
Licorice is extracted from the roots of plants in the Glycyrrhiza genus, especially Glycyrrhiza uralensis in China and Korea. It has several pharmacological activities, including neuro-protective, anti-fungal, and anti-cariogenic effects. Ischemia/reperfusion-induced brain injury is a leading cause of adult disability and death; thus, the identification of anti-apoptotic, neuro-protective therapeutic agents is viewed as an attractive drug development strategy. Infarct volumes and the expression of several apoptosis-related proteins, including Bcl-xL, Bcl-2, caspase-8, and caspase-9, were evaluated by western blotting in the brains of mice subjected to middle cerebral artery occlusion (MCAO)...
January 17, 2018: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29341478/translational-systems-pharmacology-based-predictive-assessment-of-drug-induced-cardiomyopathy
#13
Dimitris E Messinis, Ioannis N Melas, Junguk Hur, Navya Varshney, Leonidas G Alexopoulos, Jane P F Bai
Drug-induced cardiomyopathy contributes to drug attrition. We compared two pipelines of predictive modeling: (1) applying elastic net (EN) to differentially expressed genes (DEGs) of drugs; (2) applying integer linear programming (ILP) to construct each drug's signaling pathway starting from its targets to downstream proteins, to transcription factors, and to its DEGs in human cardiomyocytes, and then subjecting the genes/proteins in the drugs' signaling networks to EN regression. We classified 31 drugs with availability of DEGs into 13 toxic and 18 nontoxic drugs based on a clinical cardiomyopathy incidence cutoff of 0...
January 17, 2018: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/29341450/characterization-of-a-novel-papain-inducible-murine-model-of-eosinophilic-rhinosinusitis
#14
Anuj Tharakan, Alex Dobzanski, Nyall R London, Syed M Khalil, Nitya Surya, Andrew P Lane, Murugappan Ramanathan
BACKGROUND: Eosinophilic chronic rhinosinusitis (ECRS) is a disease characterized by eosinophilic inflammatory infiltrate and a local type 2 cytokine milieu. Current animal models fail to recapitulate many of the innate and adaptive immunologic hallmarks of the disease, thus hindering the development of effective therapeutics. In the present study, mice were exposed intranasally to the cysteine protease papain, which shares functional similarities with parasitic proteases and aeroallergens, to generate a rapidly inducible murine model of eosinophilic rhinosinusitis...
January 17, 2018: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/29341323/test-retest-reliability-and-longitudinal-analysis-of-automated-hippocampal-subregion-volumes-in-healthy-ageing-and-alzheimer-s-disease-populations
#15
Amanda Worker, Danai Dima, Anna Combes, William R Crum, Johannes Streffer, Steven Einstein, Mitul A Mehta, Gareth J Barker, Steve C R Williams, Owen O'daly
The hippocampal formation is a complex brain structure that is important in cognitive processes such as memory, mood, reward processing and other executive functions. Histological and neuroimaging studies have implicated the hippocampal region in neuropsychiatric disorders as well as in neurodegenerative diseases. This highly plastic limbic region is made up of several subregions that are believed to have different functional roles. Therefore, there is a growing interest in imaging the subregions of the hippocampal formation rather than modelling the hippocampus as a homogenous structure, driving the development of new automated analysis tools...
January 16, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29341228/bronchoalveolar-lavage-fluid-neutrophilia-is-associated-with-the-severity-of-pulmonary-lesions-during-equine-asthma-exacerbations
#16
M Bullone, P Joubert, A Gagné, J-Pierre Lavoie, P Hélie
BACKGROUND: The severe form of equine asthma is associated with pathological changes of the peripheral airways and pulmonary parenchyma that are only partly described. Also, the relationship between these structural alterations and the percentage of neutrophils found within the airway lumen, assessed by bronchoalveolar lavage fluid (BALF) cytology, remains ill-defined. OBJECTIVE: To examine the histological lesions associated with equine asthma during disease exacerbation and remission, and their relationship with lung function and BALF neutrophilia...
January 17, 2018: Equine Veterinary Journal
https://www.readbyqxmd.com/read/29341179/better-characterization-of-vinflunine-pharmacokinetics-variability-and-exposure-toxicity-relationship-to-improve-its-use-analyses-from-18-trials
#17
A Schmitt, L Nguyen, G Zorza, P Ferré, A Pétain
AIMS: Vinflunine is a novel tubulin-targeted inhibitor indicated as a single agent for the treatment of bladder cancers after failure of prior platinum-based therapy. Its pharmacokinetics (PK) and pharmacodynamics (PD) have been independently characterized through several phase I and phase II studies. However, no global pharmacometric analysis had been conducted yet. METHODS: Vinflunine concentrations and safety data from 18 phase I and phase II studies were used to conduct population PK and PK/PD analysis, using Nonmem...
January 17, 2018: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29341150/effect-of-akt-activation-and-experimental-pharmacological-inhibition-on-responses-to-neoadjuvant-chemoradiotherapy-in-rectal-cancer
#18
F C Koyama, C M Lopes Ramos, F Ledesma, V A F Alves, J M Fernandes, B B Vailati, G P São Julião, A Habr-Gama, J Gama-Rodrigues, R O Perez, A A Camargo
BACKGROUND: Neoadjuvant chemoradiotherapy (CRT) is one of the preferred initial treatment strategies for locally advanced rectal cancer. Responses are variable, and most patients still require surgery. The aim of this study was to identify molecular mechanisms determining poor response to CRT. METHODS: Global gene expression and pathway enrichment were assessed in pretreatment biopsies from patients with non-metastatic cT2-4 N0-2 rectal cancer within 7 cm of the anal verge...
January 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29341047/german-guideline-for-idiopathic-pulmonary-fibrosis-update-on-pharmacological-therapies-2017
#19
Jürgen Behr, Andreas Günther, Francesco Bonella, Klaus Geißler, Dirk Koschel, Michael Kreuter, Antje Prasse, Nicolas Schönfeld, Helmut Sitter, Joachim Müller-Quernheim, Ulrich Costabel
Idiopathic pulmonary fibrosis (IPF) is a severe and often fatal disease with a median survival of 2 - 4 years after diagnosis. Since the publication of the German IPF guideline in 2013 new treatment trials have been published, necessitating an update of the pharmacological therapy of IPF. Different from the previous guideline, the GRADE system was discarded and replaced by the Oxford evidence classification system which allows a more differentiated judgement. The following pharmacological therapies were rated not suitable for the treatment of IPF patients (recommendation A; evidence 1-b): triple therapy with prednisolone, azathioprine and acetyl-cysteine; imatinib; ambrisentan; bosentan; macitentan...
January 16, 2018: Pneumologie
https://www.readbyqxmd.com/read/29341031/getting-more-than-you-paid-for-unauthorized-natural-substances-in-herbal-food-supplements-on-eu-market
#20
Marijana Zovko Končić
As the population in the industrialized world develops preference for what is perceived as a natural and holistic way of disease treatment, the popularity and the number of food supplements on the market, including herbal ones, is experiencing an unprecedented rise. However, unlike herbal medicinal products, intended for treating or preventing disease, current legislation classifies food supplements as products intended for achieving nutritional or physiological effect and to supplement the normal diet. Accordingly, most food supplements are not to be associated with specific health claims...
January 16, 2018: Planta Medica
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