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https://www.readbyqxmd.com/read/28646769/health-benefit-from-decreasing-exposure-to-heavy-metals-and-metalloid-after-strict-pollution-control-measures-near-a-typical-river-basin-area-in-china
#1
Suzhen Cao, Xiaoli Duan, Yingqun Ma, Xiuge Zhao, Yanwen Qin, Yan Liu, Sai Li, Binghui Zheng, Fusheng Wei
The metal(loid) pollution still is a great concern due to the effects from urbanization and industrialization. While, the health risks from the toxic metal(loid)s could decrease if strict pollution control measures were adopted. However, few studies to date investigate the health risks of heavy metal(loid)s in a systematic river basin for the dependent residents, after taking pollution control measures. Thus, the contents of metal(loid)s (Cu, Pb, Zn, Cd, Mn, As) in surface water along a typical river basin were investigated in this study, and the potential non-carcinogenic and carcinogenic health risks posed to the residents were assessed...
June 18, 2017: Chemosphere
https://www.readbyqxmd.com/read/28646755/bio-fabrication-of-catalytic-platinum-nanoparticles-and-their-in-vitro-efficacy-against-lungs-cancer-cells-line-a549
#2
Sadeeq Ullah, Aftab Ahmad, Aoke Wang, Muslim Raza, Amin Ullah Jan, Kamran Tahir, Aziz Ur Rahman, Yuan Qipeng
Platinum based drugs are considered as effective agents against various types of carcinoma; however, the severe toxicity associated with the chemically prepared platinum complexes limit their practical applications. Similarly, water pollution caused by various organic moieties is another serious health problem worldwide. Hence, an intense need exists to develop new, effective and biocompatible materials with catalytic and biomedical applications. In the present contribution, we prepared platinum nanoparticles (PtNPs) by a green route using phytochemicals as a source of reducing and stabilizing agents...
June 16, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28646699/insulin-and-the-polycystic-ovary-syndrome
#3
REVIEW
Djuro Macut, Jelica Bjekić-Macut, Dario Rahelić, Mirjana Doknić
Polycystic ovary syndrome (PCOS) is the most prevalent endocrinopathy among women during reproductive age. PCOS is characterised by hyperandrogenaemia, hyperinsulinaemia, and deranged adipokines secretion from the adipose tissue. In addition to the reduced insulin sensitivity, PCOS women exhibit β-cell dysfunction as well. Low birth weight and foetal exposure to androgens may contribute to the development of the PCOS phenotype during life. Further metabolic complications lead to dyslipidaemia, worsening obesity and glucose tolerance, high prevalence of metabolic syndrome, and greater susceptibility to diabetes...
June 12, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28646676/multicenter-phase-2-study-of-combination-therapy-with-ruxolitinib-and-danazol-in-patients-with-myelofibrosis
#4
K Gowin, H Kosiorek, A Dueck, J Mascarenhas, R Hoffman, C Reeder, J Camoriano, R Tibes, K Gano, J Palmer, R Mesa
Myelofibrosis is a myeloproliferative neoplasm that is characterized by splenomegaly, profound symptom burden, and cytopenias. JAK inhibitor therapy offers improvements in splenomegaly, symptom burden, and potentially survival; however, cytopenias remain a significant challenge. Danazol has previously demonstrated improvements in myelofibrosis-associated anemia. We conducted a phase II clinical trial evaluating the efficacy and tolerability of combination therapy with ruxolitinib, an oral JAK inhibitor, and danazol...
June 13, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28646531/morin-a-novel-lxr%C3%AE-%C3%AE-dual-antagonist-has-potent-therapeutic-efficacy-for-nonalcoholic-fatty-liver-diseases
#5
Ming Gu, Yu Zhang, Chuhe Liu, Dongshan Wang, Li Feng, Shengjie Fan, Baican Yang, Qingchun Tong, Guang Ji, Cheng Huang
BACKGROUND AND PURPOSE: Morin is a natural occurring flavonoid in many dietary plants and has a wide range of beneficial effects on metabolism; however, the mechanism underlying its action remains elusive. EXPERIMENTAL APPROACH: Reporter assay and the Time-Resolved Fluorescence Resonance Energy Transfer assay were used to identify morin as a dual antagonist of LXRα and LXRβ. High fat-diet mixed with morin (100 mg/100 g diet) was administrated to high-fat diet-induced obese or LXRβ(-/-) mice combining with Western blot and RT-PCR analysis to evaluate the pharmacological effect and mechanism of morin treatment...
June 23, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28646521/enhancing-perovskite-electrocatalysis-of-solid-oxide-cells-through-controlled-growth-of-nanoparticles
#6
Bin Hua, Meng Li, Yi-Fei Sun, Jian-Hui Li, Jing-Li Luo
Perovskite oxides have received a great deal of attentions as promising electrodes in both solid oxide fuel cells (SOFCs) and solid oxide electrolyzer cells (SOECs) because of their reasonable reactivity, impurity tolerance, tunable property, etc. Particular explorations are still required for advancing the perovskite electrodes, which normally suffer from slow kinetics in electrocatalysis. In the past decades, several experimental studies have developed new classes of perovskites with advanced characteristics and electrode kinetics at technical levels...
June 24, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28646511/control-of-autoimmune-inflammation-using-liposomes-to-deliver-positive-allosteric-modulators-of-metabotropic-glutamate-receptors
#7
Joshua M Gammon, Arjun R Adapa, Christopher M Jewell
Multiple sclerosis (MS) is an autoimmune disease where myelin is incorrectly recognized as foreign and attacked by the adaptive immune system. Dendritic cells (DCs) direct adaptive immunity by presenting antigens to T cells, therefore serving as a target for autoimmune therapies. N-Phenyl-7-(hydroxyimino)cyclopropa[b]chromen-1a-carboxamide (PHCCC), a positive allosteric modulator of metabotropic glutamate receptor 4 (mGluR4), can promote regulatory T cells by altering cytokine secretion to bias T cell differentiation...
June 24, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28646481/effects-of-geography-on-mental-health-disparities-on-sexual-minorities-in-new-york-city
#8
Jacob Felson, Amy Adamczyk
Gay and lesbian individuals have higher rates of psychological distress than do heterosexual individuals. The minority stress hypothesis attributes this disparity to adversity-related stress experienced by sexual minorities. In support of this idea, research in the U.S. has generally found that mental health disparities between sexual minorities and others are narrower in places where tolerance is relatively high. However, few studies have examined disparities between sexual minorities and others in neighborhoods where sexual minorities are most highly concentrated...
June 23, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28646450/microrna-changes-in-preconditioning-induced-neuroprotection
#9
REVIEW
Josh D Bell, Jang-Eun Cho, Rona G Giffard
Preconditioning is a paradigm in which sublethal stress-prior to a more injurious insult-induces protection against injury. In the central nervous system (CNS), preconditioning against ischemic stroke is induced by short durations of ischemia, brief seizures, exposure to anesthetics, and other stresses. Increasing evidence supports the contribution of microRNAs (miRNAs) to the pathogenesis of cerebral ischemia and ischemic tolerance induced by preconditioning. Studies investigating miRNA changes induced by preconditioning have to date identified 562 miRNAs that change expression levels after preconditioning, and 15% of these changes were reproduced in at least one additional study...
June 23, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/28646426/eftrenonacog-alfa-a-review-in-haemophilia-b
#10
Sheridan M Hoy
Eftrenonacog alfa (Alprolix™) is a recombinant fusion protein comprising human factor IX (FIX) covalently linked to the constant region (Fc) domain of human IgG1 (i.e. rFIXFc). The presence of the Fc domain extends the terminal half-life (t½) of rFIXFc, permitting prolonged treatment intervals. rFIXFc is available for intravenous use for the prophylaxis and treatment of bleeding in patients with haemophilia B. In two multinational, phase III studies in previously treated children, adolescents and adults with severe haemophilia B, rFIXFc prophylaxis resulted in low median annualized bleeding rates (ABRs), and was associated with reductions in median weekly factor consumption and dosing frequency compared with pre-study FIX regimens...
June 23, 2017: Drugs
https://www.readbyqxmd.com/read/28646391/the-changing-landscape-of-alopecia-areata-an-introduction
#11
REVIEW
George Han
Alopecia areata is an extremely common autoimmune condition affecting hair. Severe forms of alopecia areata exist, with existing treatments consisting of systemic immunosuppressants with numerous side effects. Recently, breakthroughs have been made in both understanding the pathogenesis of alopecia areata and the treatment thereof, which hold the promise of being able to target severe cases of alopecia areata with more efficacy and better tolerability. This article serves as an introduction to review papers from two of the leading researchers in the field of alopecia areata...
June 23, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28646380/isolation-selection-and-biological-characterization-research-of-highly-effective-electricigens-from-mfcs-for-phenol-degradation
#12
Guo Wei, Du Xia, Wang Li-Li, Yan Hong
The microbial fuel cells (MFCs) are recognized to be highly effective for the biodegradation of phenol. For isolating the phenol-degrading bacteria, the sample containing 500 mg/L phenol was collected from the MFCs. The strain (WL027) was identified basing on the 16S rRNA gene analysis and phylogenetic analysis as Bacillus cereus. The effects of pH, temperature, concentrations of phenol, heavy metal ions, and salt on the growth of strain as well as the degradation of phenol have been carefully studied. The WL027-strain exhibited favorable tolerance for the metal cations including Cr(2+), Co(2+), Pb(2+), and Cu(2+) with the concentration of 0...
June 23, 2017: Folia Microbiologica
https://www.readbyqxmd.com/read/28646358/metabolomics-of-diabetes-in-pregnancy
#13
REVIEW
Carolyn F McCabe, Wei Perng
PURPOSE OF REVIEW: The purpose of this review is to describe ways in which metabolomics may enhance understanding of gestational diabetes mellitus (GDM) etiology and refine current diagnostic criteria. RECENT FINDINGS: Current clinical recommendations suggest screening for GDM between 24 and 28 of gestational weeks using an oral glucose tolerance test. Despite this consensus, there are discrepancies regarding the exact criteria for GDM diagnosis. Further, emerging evidence has unveiled heterogeneous physiological pathways underlying GDM-specifically, GDM with defective insulin secretion vs...
August 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28646347/alendronate-treatment-induces-il-1b-expression-and-apoptosis-in-glioblastoma-cell-line
#14
Paola Maura Tricarico, Angeladine Epate, Fulvio Celsi, Sergio Crovella
Alendronate (ALD), one among the nitrogen-containing bisphosphonates (NBPs), is currently used for the treatment of many pathological conditions. Unfortunately, although generally tolerated, NBPs treatment has been associated with central nervous system (CNS) adverse outcomes, such as amnesia, hallucinations and visual disturbances. So, we analyzed the effect of ALD treatment in glial cells, the main sources of cholesterol for neurons and principal cells involved in the immunological defense of the brain. We treated a glial cell line (U87-MG) with increasing doses of ALD (0...
June 23, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28646315/chilling-tolerance-in-three-tomato-transgenic-lines-overexpressing-cbf3-gene-controlled-by-a-stress-inducible-promoter
#15
Sabir Hussain Shah, Shaukat Ali, Abdul Ahad Qureshi, Muhammad Amir Zia, Jalal-Ud -Din, Ghulam Muhammad Ali
Plants integrate and monitor low temperature signals to cope with the continual variations in their environment. Arabidopsis thaliana cold responsive-element binding factor 3 (AtCBF3) plays its role in various cellular activities by modulating multiple genes induced under chilling stress. In this work, AtCBF3 transcription was remarkably induced following chilling stress. AtCBF3-overexpressors namely AtCBF3-Rio Grande, AtCBF3-Moneymaker, and AtCBF3-Roma showed defensible response to various levels of chilling stress, while their isogenic wild type plants indicated hypersensitive response to chilling stress...
June 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28646314/ozone-and-desiccation-tolerance-in-chlorolichens-are-intimately-connected-a-case-study-based-on-two-species-with-different-ecology
#16
Stefano Bertuzzi, Elisa Pellegrini, Fabio Candotto Carniel, Guido Incerti, Giacomo Lorenzini, Cristina Nali, Mauro Tretiach
Tropospheric ozone (O3) causes severe damage to many vascular plants but not to lichens. It was recently suggested that this may be due to their high levels of natural defences against the oxidative bursts associated to their fluctuating water content. In this study, the combined effects of watering regime (with or without a daily spray of distilled water), air relative humidity (20 ± 5 vs. 80 ± 5% RH) and O3 (250 vs. 0 ppb, 5 h day(-1) for 2 weeks) were monitored in two chlorolichens with different ecology, Parmotrema perlatum and Xanthoria parietina...
June 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28646312/silicon-and-rhizophagus-irregularis-potential-candidates-for-ameliorating-negative-impacts-of-arsenate-and-arsenite-stress-on-growth-nutrient-acquisition-and-productivity-in-cajanus-cajan-l-millsp-genotypes
#17
Neera Garg, Lakita Kashyap
Arsenic (As) gets accumulated in plants via phosphorous transporters and water channels and interferes with nutrient and water uptake, adversely affecting growth and productivity. Although, Si and AM have been reported to combat arsenic stress, their comparative and interactive roles in ameliorating As V and As III toxicities have not been reported. Study evaluated effects of Si and Rhizophagus irregularis on growth, As uptake and yield under arsenate and arsenite stress in two pigeonpea genotypes (metal tolerant-Pusa 2002 and metal sensitive-Pusa 991)...
June 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28646272/rhesus-cochlear-and-vestibular-functions-are-preserved-after-inner-ear-injection-of-saline-volume-sufficient-for-gene-therapy-delivery
#18
Chenkai Dai, Mohamed Lehar, Daniel Q Sun, Lani Swarthout Rvt, John P Carey, Tim MacLachlan, Doug Brough, Hinrich Staecker, Alexandra M Della Santina, Timothy E Hullar, Charles C Della Santina
Sensorineural losses of hearing and vestibular sensation due to hair cell dysfunction are among the most common disabilities. Recent preclinical research demonstrates that treatment of the inner ear with a variety of compounds, including gene therapy agents, may elicit regeneration and/or repair of hair cells in animals exposed to ototoxic medications or other insults to the inner ear. Delivery of gene therapy may also offer a means for treatment of hereditary hearing loss. However, injection of a fluid volume sufficient to deliver an adequate dose of a pharmacologic agent could, in theory, cause inner ear trauma that compromises functional outcome...
June 23, 2017: Journal of the Association for Research in Otolaryngology: JARO
https://www.readbyqxmd.com/read/28646222/effects-of-chemical-alternation-on-damage-accumulation-in-concentrated-solid-solution-alloys
#19
Mohammad W Ullah, Haizhou Xue, Gihan Velisa, Ke Jin, Hongbin Bei, William J Weber, Yanwen Zhang
Single-phase concentrated solid-solution alloys (SP-CSAs) have recently gained unprecedented attention due to their promising properties. To understand effects of alloying elements on irradiation-induced defect production, recombination and evolution, an integrated study of ion irradiation, ion beam analysis and atomistic simulations are carried out on a unique set of model crystals with increasing chemical complexity, from pure Ni to Ni80Fe20, Ni50Fe50, and Ni80Cr20 binaries, and to a more complex Ni40Fe40Cr20 alloy...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646139/genome-wide-identification-of-major-intrinsic-proteins-in-glycine-soja-and-characterization-of-gmtip2-1-function-under-salt-and-water-stress
#20
Da-Yong Zhang, Manoj Kumar, Ling Xu, Qun Wan, Yi-Hong Huang, Zhao-Long Xu, Xiao-Lan He, Jin-Biao Ma, Girdhar K Pandey, Hong-Bo Shao
In different plant species, aquaporins (AQPs) facilitate water movement by regulating root hydraulic conductivity under diverse stress conditions such as salt and water stresses. To improve survival and yield of crop plants, a detailed understanding of stress responses is imperative and required. We used Glycine soja genome as a tool to study AQPs, considering it shows abundant genetic diversity and higher salt environment tolerance features and identified 62 Gs AQP genes. Additionally, this study identifies major aquaporins responsive to salt and drought stresses in soybean and elucidates their mode of action through yeast two-hybrid assay and BiFC...
June 23, 2017: Scientific Reports
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