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https://www.readbyqxmd.com/read/28636290/sulforaphane-protection-against-the-development-of-doxorubicin-induced-chronic-heart-failure-is-associated-with-nrf2-upregulation
#1
Yang Bai, Qiang Chen, Yun-Peng Sun, Xuan Wang, Li Lv, Li-Ping Zhang, Jin-Sha Liu, Song Zhao, Xiao-Lu Wang
Doxorubicin (DOX) is an anthracycline anti-tumor drug. However, its clinical use is limited by dose-dependent cardiotoxicity, and even progresses to chronic heart failure (CHF). OBJECTIVE: This study aims to investigate whether the Nrf2 activator, sulforaphane (SFN), can prevent DOX-induced CHF. METHODS: Male Sprague Dawley rats who received treatment for six weeks were divided into four groups (n=30 per group): control, SFN, DOX, and DOX plus SFN group. RESULTS: Results revealed that DOX induced progressive cardiac damage as indicated by increased cardiac injury markers, cardiac inflammation, fibrosis and oxidative stress...
June 21, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28636267/strontium-releasing-fluorapatite-glass-ceramics-crystallization-behavior-microstructure-and-solubility
#2
Isabelle Denry, Ourania-Menti Goudouri, Jeffrey D Harless, E M Hubbard, Julie A Holloway
The purpose of this work was to investigate the effect of strontium partial replacement for calcium on the crystallization behavior, microstructure and solubility of fluorapatite glass-ceramics. Four glass compositions were prepared with increasing amounts of strontium partially replacing calcium. The crystallization behavior was analyzed by differential scanning calorimetry and X-ray diffraction (XRD). The microstructure was investigated by scanning electron microscopy. The chemical solubility was quantified according to ISO standard 10993-14...
June 21, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28636264/desmopressin-in-haemophilia-the-need-for-a-standardised-clinical-response-and-individualised-test-regimen
#3
S C M Stoof, L M Schütte, F W G Leebeek, M H Cnossen, M J H A Kruip
INTRODUCTION: Due to interindividual variation in desmopressin response, non-severe haemophilia A patients require desmopressin testing prior to therapeutic treatment. However, adequate response or frequency of blood sampling is not standardised in international guidelines. Consequently, various definitions and blood sampling protocols are currently applied. Interestingly, sustainability of desmopressin response is not incorporated into these definitions. AIM: To study desmopressin response rates in a cohort of non-severe haemophilia A patients using currently accepted desmopressin response definitions...
June 21, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28636254/pirfenidone-reduces-subchondral-bone-loss-and-fibrosis-after-murine-knee-cartilage-injury
#4
Deva D Chan, Jun Li, Wei Luo, Dan N Predescu, Brian J Cole, Anna Plaas
Pirfenidone is an anti-inflammatory and anti-fibrotic drug that has shown efficacy in lung and kidney fibrosis. Because inflammation and fibrosis have been linked to the progression of osteoarthritis, we investigated the effects of oral Pirfenidone in a mouse model of cartilage injury, which results in chronic inflammation and joint-wide fibrosis in mice that lack hyaluronan synthase 1 (Has1(-/-) ) in comparison to wild-type. Femoral cartilage was surgically injured in wild-type and Has1(-/-) mice, and Pirfenidone was administered in food starting after 3 days...
June 21, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28636236/assessment-of-silibinin-as-a-potential-antifungal-agent-and-investigation-of-its-mechanism-of-action
#5
Dae Gyu Yun, Dong Gun Lee
Silibinin, which is derived from Silybum marianum (milk thistle), has used as a traditional remedy for liver or biliary disorders and known to have superior antioxidant activity. In addition, silibinin was recently reported to have antifungal effect related to fungal apoptosis against Candida albicans and the interest in the therapeutic effect is increasing. In this study, we found another mode of antifungal action of silibinin and its antibiofilm activity on C. albicans. To investigate influence on fungal plasma membrane, propidium iodide and bis-(1, 3-dibutylbarbituric acid) trimethineoxonol [DiBAC4 (3)] assay were primarily carried out...
June 21, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28636213/distribution-and-hypoxia-regulation-of-haemocyanin-in-springtails-collembola
#6
S Flachsbarth, M Kruse, T Burmester
Haemocyanin is the copper-containing respiratory protein present in many arthropods. In the hexapods, respiratory proteins had long been considered unnecessary as sufficient O2 was thought to be obtained via the trachea. Nevertheless, many ametabolous and hemimetabolous hexapod species actually possess haemocyanin. Here we investigated the occurrence of haemocyanin in Collembola (springtails). Haemocyanin was found in 22 collembolan species of the suborders Symphypleona, Tomoceroidea and Entomobryomorpha, demonstrating its widespread occurrence...
June 21, 2017: Insect Molecular Biology
https://www.readbyqxmd.com/read/28636204/aerobic-exercise-training-for-adults-with-fibromyalgia
#7
REVIEW
Julia Bidonde, Angela J Busch, Candice L Schachter, Tom J Overend, Soo Y Kim, Suelen M Góes, Catherine Boden, Heather Ja Foulds
BACKGROUND: Exercise training is commonly recommended for individuals with fibromyalgia. This review is one of a series of reviews about exercise training for people with fibromyalgia that will replace the "Exercise for treating fibromyalgia syndrome" review first published in 2002. OBJECTIVES: • To evaluate the benefits and harms of aerobic exercise training for adults with fibromyalgia• To assess the following specific comparisons ० Aerobic versus control conditions (eg, treatment as usual, wait list control, physical activity as usual) ० Aerobic versus aerobic interventions (eg, running vs brisk walking) ० Aerobic versus non-exercise interventions (eg, medications, education) We did not assess specific comparisons involving aerobic exercise versus other exercise interventions (eg, resistance exercise, aquatic exercise, flexibility exercise, mixed exercise)...
June 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28636201/an-exploration-of-the-relationship-between-use-of-safety-seeking-behaviours-and-psychosis-a-systematic-review-and-meta-analysis
#8
Sarah Tully, Adrian Wells, Anthony P Morrison
Safety-seeking behaviours are responses employed to protect against perceived threat. In relation to anxiety disorders, safety-seeking behaviours have been implicated in both the formation and maintenance of distress. Several studies have highlighted similar findings in relation to psychosis; however, this literature has not yet been synthesized. This review is, therefore, being conducted in order to synthesize the literature on safety seeking in people with psychosis to increase the understanding of this relationship...
June 21, 2017: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/28636199/widespread-occurrence-and-potential-for-biodegradation-of-bioactive-contaminants-in-congaree-national-park-usa
#9
Paul M Bradley, William A Battaglin, Jimmy M Clark, Frank Henning, Michelle L Hladik, Luke R Iwanowicz, Celeste A Journey, Jeffrey W Riley, Kristin M Romanok
Organic contaminants with designed molecular bioactivity, such as pesticides and pharmaceuticals, originate from human and agricultural sources, occur frequently in surface waters, and threaten the structure and function of aquatic and terrestrial ecosystems. Congaree National Park in South Carolina (USA) is a vulnerable park unit due to its location downstream of multiple urban and agricultural contaminant sources and its hydrologic setting, being composed almost entirely of floodplain and aquatic environments...
June 21, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28636189/discovery-of-alkyl-bis-oxy-dibenzimidamide-derivatives-as-novel-protein-arginine-methyltransferase-1-prmt1-inhibitors
#10
Wei-Yao Zhang, Wen-Chao Lu, Hao Jiang, Zheng-Bing Lv, Yi-Qian Xie, Fu-Lin Lian, Zhong-Jie Liang, Yu-Xi Jiang, Da-Jin Wang, Cheng Luo, Jia Jin, Fei Ye
Protein arginine methylation, a post-translational modification critical for a variety of biological processes, is catalyzed by protein arginine N-methyltransferases (PRMTs). In particular, PRMT1 is responsible for over 85% of the arginine methylation in mammalian cells. Dysregulation of PRMT1 is involved in diverse pathological diseases including cancers. However, most current PRMT1inhibitors are lack of specificity, efficacy, and bioavailability. Herein, a series of alkyl bis(oxy)dibenzimidamide derivatives were identified as selective PRMT1 inhibitors...
June 21, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28636187/dual-labeled-chemiluminescence-enzyme-immunoassay-for-simultaneous-measurement-of-total-prostate-specific-antigen-tpsa-and-free-prostate-specific-antigen-fpsa
#11
Lixia Zhao, Dan Wang, Gen Shi, Ling Lin
The specificity for early diagnostic of prostate-specific antigen (PSA) is low because the current technology mostly allows the detection of only one biomarker at one time. In this work, a dual-labeled chemiluminescence enzyme immunoassay (CLEIA) for simultaneous measurement of total PSA (TPSA) and free PSA (FPSA) was proposed. Anti-PSA McAb (Mab1) was immobilized on a microplate as the solid phase, horseradish peroxidase (HRP)-labeled anti-TPSA monoclonal antibody (McAb2) and alkaline phosphatase (ALP)-labeled anti-FPSA McAb3 were used as detection antibodies...
June 21, 2017: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/28636171/pulsed-food-resources-but-not-forest-cover-determines-lifetime-reproductive-success-in-a-forest-dwelling-rodent
#12
Katrine S Hoset, Alexandre Villers, Ralf Wistbacka, Vesa Selonen
1.The relative contributions of habitat and food availability on fitness may provide evidence for key habitat features needed to safeguard population persistence. However, defining habitat quality for a species can be a complex task, especially if knowledge on the relationship between individual performance and habitat quality is lacking. 2.Here, we determined the relative importance of availability of suitable forest habitat, body mass, and food from masting tree species on female lifetime reproductive success (LRS) of Siberian flying squirrels (Pteromys volans)...
June 21, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28636169/a-novel-double-nucleotide-variant-in-the-ferritin-l-iron-responsive-element-in-a-finnish-patient-with-hereditary-hyperferritinaemia-cataract-syndrome
#13
Roosa-Maria Mattila, Annele Sainio, Marketta Järveläinen, Juha Pursiheimo, Hannu Järveläinen
PURPOSE: To present a novel Finnish double nucleotide variant in the iron-responsive element (IRE) of the ferritin L-chain gene (FTL) leading to hyperferritinaemia-cataract syndrome (HHCS). METHODS: Genomic DNA extracted from peripheral blood leucocytes and synthetized with three different primers flanking the IRE in the FTL 5'-untranslated region of the FTL was used in polymerase chain reaction (PCR). Thereafter, Sanger sequencing was performed on the 487-bp and 602-bp PCR amplification products with specific primers to reveal FTL IRE mutations...
June 21, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28636163/the-pu-prom-a-patient-reported-outcome-measure-for-peptic-ulcer-disease
#14
Na Liu, Jing Lv, Jinchun Liu, Yanbo Zhang
OBJECTIVE: Patient-reported outcome measure (PROM) conceived to enable description of treatment-related effects, from the patient perspective, bring the potential to improve in clinical research, and to provide patients with accurate information. Therefore, the aim of this study was to develop a patient-centred peptic ulcer patient-reported outcome measure (PU-PROM) and evaluate its reliability, validity, differential item functioning (DIF) and feasibility. METHOD: To develop a conceptual framework and item pool for the PU-PROM, we performed a literature review and consulted other measures created in China and other countries...
June 21, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28636160/species-specific-metabolism-of-naphthalene-and-phenanthrene-in-three-species-of-marine-teleosts-exposed-to-deepwater-horizon-crude-oil
#15
Erin L Pulster, Kevan Main, Dana Wetzel, Steve Murawski
The two most abundant polycyclic aromatic hydrocarbons (PAHs) measured in the Deepwater Horizon (DWH) crude oil, naphthalene and phenanthrene and their associated homologs, have both been shown to be acutely toxic in fish. Although fish have a relatively high metabolic capacity for PAHs, hydroxylated PAH (OH-PAHs) derivatives formed during the initial metabolic response can negatively impact the health of fish. Species-specific metabolism of naphthalene and phenanthrene was evaluated in three marine teleosts, red drum (Scianops ocellatus), Florida pompano (Trachinotus carolinus) and southern flounder (Paralichthys lethostigma)...
June 21, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28636127/nonmediated-label-free-based-detection-of-cardiovascular-biomarker-in-a-biological-sample
#16
JuKyung Lee, SuRyon Shin, Anna Desalvo, Geonhui Lee, Jeong Yoon Lee, Alessandro Polini, Sukyoung Chae, Hobin Jeong, Jonghan Kim, Haksoo Choi, HeaYeon Lee
Direct electrochemical (EC) monitoring in a cell culture medium without electron transporter as called mediator is attractive topic in vitro organoid based on chip with frequently and long-time monitoring since it can avoid to its disadvantage as stability, toxicity. Here, direct monitoring with nonmediator is demonstrated based on impedance spectroscopy under the culture medium in order to overcome the limitation of mediator. The applicability of EC monitoring is shown by detecting alpha-1-anti trypsin (A1AT) which is known as biomarkers for cardiac damage and is widely chosen in organoid cardiac cell-based chip...
June 21, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28636110/cumulative-toxicity-of-neonicotinoid-insecticide-mixtures-to-chironomus-dilutus-under-acute-exposure-scenarios
#17
Erin M Maloney, Christy A Morrissey, John V Headley, Kerry M Peru, Karsten Liber
Extensive agricultural use of neonicotinoid insecticide products has resulted in the presence of neonicotinoid mixtures in surface waters worldwide. Although many aquatic insect species are known to be sensitive to neonicotinoids, the impact of neonicotinoid mixtures is poorly understood. In the present study, the cumulative toxicity of binary and ternary mixtures of select neonicotinoids (imidacloprid, clothianidin, and thiamethoxam) was characterized under acute (96-h) exposure scenarios using the larval midge Chironomus dilutus as a representative aquatic insect species...
June 21, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28636093/introspection-plays-an-early-role-in-children-s-explicit-theory-of-mind-development
#18
Christopher R Gonzales, William V Fabricius, Anne S Kupfer
This study assessed children's (N = 236) ability to introspect the mental states of seeing and knowing relative to their ability to attribute each state to others. Children could introspect seeing 10 months before they could introspect knowing. Two- and 3-year-olds correctly reported their own seeing states, whereas 3- and 4-year-olds correctly reported their own knowing states. For each mental state, there was a 7-month difference before children could correctly attribute that state to another. These findings indicate that knowing is more difficult to introspect than seeing and that the ability to introspect each mental state emerges prior to the ability to correctly attribute them to others...
June 21, 2017: Child Development
https://www.readbyqxmd.com/read/28636087/extended-inferior-antrostomy-for-maxillary-sinus-surgery
#19
Justin Michel, Thomas Radulesco, Martin Penicaud, Patrick Dessi
Functional endoscopic sinus surgery (FESS) has considerably evolved over the past 20 years while minimally-invasive surgery also applies to sinus procedures. Development of new technologies combined with better knowledge of risks has allowed surgeons to achieve improved results in their FESS indications. One of the most difficult areas to visualize using the exclusive endoscopic approach is still the anterior recess of the maxillary sinus. Hence, external approaches, such as the Caldwell-Luc procedure, are still used by many surgeons to ensure visual control of this area in diseases such as fungal balls, mucoceles, inverted papilloma and other tumors...
June 21, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28636077/arabidopsis-shaker-pollen-inward-k-channel-spik-functions-in-snrk1-complex-regulated-pollen-hydration-on-the-stigma
#20
Dan-Dan Li, Huan Guan, Fei Li, Chang-Zhen Liu, Yu-Xiu Dong, Xian-Sheng Zhang, Xin-Qi Gao
Pollen hydration is a critical step that determines pollen germination on stigma. KINβγ is a plant-specific subunit of the SNF1-related protein kinase 1 complex (SnRK1 complex). In pollen of the Arabidopsis kinβγ mutant, the levels of reactive oxygen species (ROS) were decreased which lead to compromised hydration of the mutant pollen on stigma. In this study, we analyzed gene expression in kinβγ mutant pollen by RNA-seq and found the expression of inward shaker K(+) channel SPIK was down-regulated in the kinβγ pollen...
June 21, 2017: Journal of Integrative Plant Biology
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