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https://www.readbyqxmd.com/read/28644739/treatment-of-hepatitis-c-with-new-fixed-dose-combinations
#1
Vicente Soriano
The advent of oral direct-acting antivirals (DAA) has revolutionized the hepatitis C virus (HCV) therapeutic landscape providing cure rates over 90%. However, a subset of patients remains at higher risk for treatment failure, including those infected with: i) genotype 3 and cirrhosis; ii) resistance-associated substitutions (RAS) occurring either as natural polymorphisms or selected after prior DAA failure; and iii) poor drug adherence associated with social disabilities (homeless, psychiatric illnesses, injection drug use, alcoholism, etc...
June 23, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28637350/structural-peculiarities-of-ion-conductive-organic-inorganic-polymer-composites-based-on-aliphatic-epoxy-resin-and-salt-of-lithium-perchlorate
#2
Liubov Matkovska, Maksym Iurzhenko, Yevgen Mamunya, Igor Tkachenko, Valeriy Demchenko, Volodymyr Synyuk, Andriy Shadrin, Gisele Boiteux
The article is concerned with hybrid amorphous polymers synthesized basing on epoxy oligomer of diglycide aliphatic ester of polyethylene glycol that was cured by polyethylene polyamine and lithium perchlorate salt. Structural peculiarities of organic-inorganic polymer composites were studied by differential scanning calorimetry, wide-angle X-ray spectra, infrared spectroscopic, scanning electron microscopy, elemental analysis, and transmission and reflective optical microscopy. On the one hand, the results showed that the introduction of LiClO4 salt into epoxy polymer leads to formation of the coordinative metal-polymer complexes of donor-acceptor type between central Li(+) ion and ligand...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28634034/absence-of-%C3%AE-chain-in-keratinocytes-alters-chemokine-secretion-resulting-in-reduced-immune-cell-recruitment
#3
Karolin Nowak, Daniela Linzner, Adrian J Thrasher, Paul F Lambert, Wei Li Di, Siobhan O Burns
Loss of function mutations in the common gamma (γc) chain cytokine receptor subunit give rise to severe combined immunodeficiency (SCID) characterised by lack of T and natural killer cells and infant death from infection. Haematopoietic stem cell transplantation or gene therapy offer cure but despite successful replacement of lymphoid immune lineages a long-term risk of severe cutaneous human papilloma virus (HPV) infections persists, possibly related to persistent γc-deficiency in other cell types. Here we demonstrate that keratinocytes, the only cell type directly infected by HPV, express functional γc and its co-receptors...
June 17, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28619227/efficacy-and-safety-of-praziquantel-in-preschool-aged-and-school-aged-children-infected-with-schistosoma-mansoni-a-randomised-controlled-parallel-group-dose-ranging-phase-2-trial
#4
Jean T Coulibaly, Gordana Panic, Kigbafori D Silué, Jana Kovač, Jan Hattendorf, Jennifer Keiser
BACKGROUND: Praziquantel has been the drug of choice for schistosomiasis control for more than 40 years, yet surprisingly, the optimal dose for children younger than 4 years is not known. We aimed to assess the efficacy and safety of escalating praziquantel dosages in preschool-aged children (PSAC). METHODS: We did a randomised controlled, parallel-group, single-blind, dose-ranging, phase 2 trial in PSAC (2-5 years) and school-aged children (SAC; aged 6-15 years) as a comparator group in southern Côte d'Ivoire...
July 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28618219/hierarchical-microspheres-constructed-from-chitin-nanofibers-penetrated-hydroxyapatite-crystals-for-bone-regeneration
#5
Bo Duan, Kangquan Shou, Xiaojuan Su, Yahui Niu, Guan Zheng, Yao Huang, Ai-Xi Yu, Yu Zhang, Hong Xia, Lina Zhang
Chitin exists abundantly in the crab and shrimp shell as the template of the minerals, which inspired us to mineralize it for fabricating the bone grafting materials. In present work, chitin nanofibrous microspheres were used as the matrix for in situ synthesisof the hydroxyapatite (HA) crystals including micro-flake, submicron-needle and submicron-osphere, which were penetrated by long chitin nanofibers, leading to the hierarchical structure. The shape and size of the HA crystals could be controled by changing the HA synthesisprocess...
June 15, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28610695/a-fuzzy-based-system-reveals-alzheimer-s-disease-onset-in-subjects-with-mild-cognitive-impairment
#6
Sabina Tangaro, Annarita Fanizzi, Nicola Amoroso, Roberto Bellotti
Alzheimer's Disease (AD) is the most frequent neurodegenerative form of dementia. Although dementia cannot be cured, it is very important to detect preclinical AD as early as possible. Several studies demonstrated the effectiveness of the joint use of structural Magnetic Resonance Imaging (MRI) and cognitive measures to detect and track the progression of the disease. Since hippocampal atrophy is a well known biomarker for AD progression state, we propose here a novel methodology, exploiting it as a searchlight to detect the best discriminating features for the classification of subjects with Mild Cognitive Impairment (MCI) converting (MCI-c) or not converting (MCI-nc) to AD...
June 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28607484/rare-cell-variability-and-drug-induced-reprogramming-as-a-mode-of-cancer-drug-resistance
#7
Sydney M Shaffer, Margaret C Dunagin, Stefan R Torborg, Eduardo A Torre, Benjamin Emert, Clemens Krepler, Marilda Beqiri, Katrin Sproesser, Patricia A Brafford, Min Xiao, Elliott Eggan, Ioannis N Anastopoulos, Cesar A Vargas-Garcia, Abhyudai Singh, Katherine L Nathanson, Meenhard Herlyn, Arjun Raj
Therapies that target signalling molecules that are mutated in cancers can often have substantial short-term effects, but the emergence of resistant cancer cells is a major barrier to full cures. Resistance can result from secondary mutations, but in other cases there is no clear genetic cause, raising the possibility of non-genetic rare cell variability. Here we show that human melanoma cells can display profound transcriptional variability at the single-cell level that predicts which cells will ultimately resist drug treatment...
June 15, 2017: Nature
https://www.readbyqxmd.com/read/28606809/animal-derived-natural-products-used-in-the-bhutanese-sowa-riga-medicine
#8
Karma Yeshi, Paolo Morisco, Phurpa Wangchuk
ETHNOPHARMACOLOGICAL RELEVANCE: Bhutan has two traditional healing systems: a folklore medicine and the Bhutanese Sowa Rigpa medicine (BSM). Three different types of ingredients namely plants, animals (and their derived products) and minerals are used for the preparation of various formulations in combined form. Animals and their derived products are vital ingredients in the preparation of numerous traditional remedies. Unlike medicinal plants, research on medicinal animals has remained largely untouched...
June 9, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28606135/wogonin-suppresses-stem-cell-like-traits-of-cd133-positive-osteosarcoma-cell-via-inhibiting-matrix-metallopeptidase-9-expression
#9
Do Luong Huynh, Taeho Kwon, Jiao Jiao Zhang, Neelesh Sharma, Meeta Gera, Mrinmoy Ghosh, Nameun Kim, Somi Kim Cho, Dong Sun Lee, Yang Ho Park, Dong Kee Jeong
BACKGROUND: Several efforts have been deployed to cure osteosarcoma, a high-grade malignant bone tumour in children and adolescents. However, some challenges such as drug resistance, relapse, and tumour metastasis remain owing to the existence of cancer stem cells (CSC). There is an urgent need to develop cost-effective and safe therapies. METHODS: Wogonin, an extract from the root of Scutellaria baicalensis, has long been considered as a promising natural and safe compound for anti-tumourigenesis, particularly to inhibit tumour invasion and metastasis...
June 12, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28605826/inhibition-of-hazardous-compound-formation-in-muscle-foods-by-antioxidative-phytophenols
#10
REVIEW
Youling L Xiong
Individual and mixed herbal extracts, as well as plant spices, are widely used in the preparation of muscle foods to enhance the organoleptic attributes. Abundantly rich in phenolic compounds, many of the phytochemical extracts have been shown to possess strong radical-scavenging and metal ion-binding properties and hence exert antioxidant activity in meat products. Because of their antiradical nature, phenolic acids and flavonoids, such as tea catechins, caffeic acid, chlorogenic acid, and mixed polyphenols derived from rosemary, licorice, and other herbal materials, are capable of inhibiting the formation of harmful secondary products from oxidized lipids and proteins...
June 12, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28603137/review-nigella-sativa-prophetic-medicine-a-review
#11
Hira Ijaz, Ume Ruqia Tulain, Junaid Qureshi, Zeeshan Danish, Samina Musayab, Muhammad Furqan Akhtar, Ammara Saleem, Khanzada Khanzada Khan, Muhammad Zaman, Imran Waheed, Imran Khan, Mohamed Abdel-Daim
The present report is a significant effort to explore detail description of N. Sativa, its pharmacognostic characteristics, morphological characteristics, and mechanism of actions, doses and medicinal uses. Nigella sativa (N. Sativa) is greatest form of healing medicine. It is also known as Prophetic Medicine as its use has been mentioned in Prophetic Hadit, as natural remedy for all the diseases except death. It is recommended on daily basis in Tibb-e-Nabwi (Prophetic Medicine). Hazrat Abu Hurairah States ''I have heard from Rasool Allah (PBUH) that there is cure for every disease in black seeds except death and black seeds are shooneeze''...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28595538/immune-cells-act-as-promising-targets-for-the-treatment-of-bone-metastasis
#12
Guojing Luo, Yuedong He, Qian Zhao, Xijie Yu
BACKGROUND: Bone metastasis is a common complication of certain types of cancer, and unfortunately, it is still incurable to date. Immune system is a major defence against tumor cells and bone metastasis. However, the immunodeficient mouse models are widely used in most researches of bone metastasis, thereby excluding the regulatory roles of the immune system in bone metastasis. OBJECTIVE: To provide a comprehensive overview on the cellular and molecular mechanisms by which immune cells interact with tumor cells and bone cells, as well as recent related patents...
June 6, 2017: Recent Patents on Anti-cancer Drug Discovery
https://www.readbyqxmd.com/read/28595243/determinants-and-timeline-of-perioperative-anxiety-in-mohs-surgery
#13
Irèn Kossintseva, David Zloty
BACKGROUND: Patients undergoing Mohs micrographic surgery (MMS) exhibit anxiety relating to cancer cure or the expected cosmetic outcome. OBJECTIVE: To obtain quantitative measurements of perioperative cancer and cosmetic anxiety levels in first-time MMS patients. Parameters influencing anxiety and its natural course were assessed. METHODS: Prospective, single-blinded, questionnaire study of 173 patients undergoing MMS of the face. Anxiety levels were assessed using a visual analog scale preoperatively and postoperatively over 6 months...
June 6, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28591719/stable-and-high-expression-of-galectin-8-tightly-controls-metastatic-progression-of-prostate-cancer
#14
Lucas Daniel Gentilini, Felipe Martín Jaworski, Carolina Tiraboschi, Ignacio González Pérez, Monica Lidia Kotler, Anne Chauchereau, Diego Jose Laderach, Daniel Compagno
Two decades ago, Galectin-8 was described as a prostate carcinoma biomarker since it is only expressed in the neoplastic prostate, but not in the healthy tissue. To date, no biological function has been attributed to Galectin-8 that could explain this differential expression. In this study we silenced Galectin-8 in two human prostate cancer cell lines, PC3 and IGR-CaP1, and designed a pre-clinical experimental model that allows monitoring the pathology from its early steps to the long-term metastatic stages...
May 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28580560/-a-symbol-of-connectedness-between-the-self-and-the-tribal-home-betel-quid-in-the-lives-of-indigenous-taiwanese
#15
Wei-Fen Ma, Chia-Ing Li, Ellen R Gritz, Irene Tamí-Maury, Cho Lam, Cheng-Chieh Lin
BACKGROUND: Betel quid chewing plays a significant role in the development of oral cancer, yet the high prevalence of betel quid use remains a serious health problem in Taiwan, especially among indigenous Taiwanese. PURPOSE: The present study aimed to understand the reasons behind betel-quid chewing among indigenous Taiwanese people by examining the larger context of their culture and traditions. METHODS: This descriptive, qualitative study recruited ten regular betel quid indigenous chewers using purposive and snowball sampling...
June 2017: Hu Li za Zhi the Journal of Nursing
https://www.readbyqxmd.com/read/28579792/amyotrophic-lateral-sclerosis-improving-care-with-a-multidisciplinary-approach
#16
REVIEW
Anne Hogden, Geraldine Foley, Robert D Henderson, Natalie James, Samar M Aoun
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease, leading to death within an average of 2-3 years. A cure is yet to be found, and a single disease-modifying treatment has had a modest effect in slowing disease progression. Specialized multidisciplinary ALS care has been shown to extend survival and improve patients' quality of life, by providing coordinated interprofessional care that seeks to address the complex needs of this patient group. This review examines the nature of specialized multidisciplinary care in ALS and draws on a broad range of evidence that has shaped current practice...
2017: Journal of Multidisciplinary Healthcare
https://www.readbyqxmd.com/read/28579682/the-intersection-of-palliative-care-and-interventional-radiology-enhancing-understanding-and-collaboration
#17
REVIEW
Mary K Buss
In the treatment of cancer patients, many interventional radiologic procedures are palliative in nature. The goal for these therapies is often something other than cure, such as prolonged survival or improved quality of life. The goals of therapy should be matched with the patient's wishes, and must include open communication between the health care provider and the patient. Hospice and palliative medicine is its own specialty, and a multidisciplinary approach to the care of cancer patients should include discussions with these health care specialists...
June 2017: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/28578055/effect-of-cooking-and-in-vitro-digestion-on-the-antioxidant-activity-of-dry-cured-ham-by-products
#18
Marta Gallego, Leticia Mora, Maria Hayes, Milagro Reig, Fidel Toldrá
Dry-cured ham by-products have been traditionally used in Mediterranean household cooking of broths and stews. The aim of this work was to evaluate the effect of cooking treatments and in vitro gastrointestinal digestion on the antioxidant activity of natural peptides found in bones from Spanish dry-cured hams. The antioxidant activity was tested using five different assays and results demonstrated that cooking using conventional household methods increased the antioxidant activity of ham by-products when assessed using different antioxidant assays with the exception of the ABTS radical scavenging measurement assay...
July 2017: Food Research International
https://www.readbyqxmd.com/read/28572880/effect-of-medicinal-mushrooms-on-blood-cells-under-conditions-of-diabetes-mellitus
#19
REVIEW
Taras Vitak, Borys Yurkiv, Solomon Wasser, Eviatar Nevo, Natalia Sybirna
Diabetes mellitus (DM) is the third most common non-infectious disease leading to early disability and high mortality. Moreover, the number of patients is growing every year. The main symptom of DM is hyperglycemia. Increased levels of blood glucose activate polyol, hexosamine, and protein kinase metabolic pathways cause the intensification of non-enzymatic glycosylation and nitration of macromolecules. This, in turn, leads to the development of oxidative and nitrative stresses and secondary complications, such as different kinds of micro- and macroangiopathies...
May 15, 2017: World Journal of Diabetes
https://www.readbyqxmd.com/read/28572802/chimeric-antigen-receptor-engineered-nk-92-cells-an-off-the-shelf-cellular-therapeutic-for-targeted-elimination-of-cancer-cells-and-induction-of-protective-antitumor-immunity
#20
Congcong Zhang, Pranav Oberoi, Sarah Oelsner, Anja Waldmann, Aline Lindner, Torsten Tonn, Winfried S Wels
Significant progress has been made in recent years toward realizing the potential of natural killer (NK) cells for cancer immunotherapy. NK cells can respond rapidly to transformed and stressed cells and have the intrinsic potential to extravasate and reach their targets in almost all body tissues. In addition to donor-derived primary NK cells, also the established NK cell line NK-92 is being developed for adoptive immunotherapy, and general safety of infusion of irradiated NK-92 cells has been established in phase I clinical trials with clinical responses observed in some of the cancer patients treated...
2017: Frontiers in Immunology
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