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https://www.readbyqxmd.com/read/28918582/removal-of-endrin-and-dieldrin-isomeric-pesticides-through-stereoselective-adsorption-behavior-on-the-graphene-oxide-magnetic-nanoparticles
#1
Kamlesh Shrivas, Archana Ghosale, Nidhi Nirmalkar, Arti Srivastava, Sunil Kumar Singh, Sandip S Shinde
A novel stereoselective removal behavior of isomeric endrin and dieldrin pesticides from sample solution is demonstrated using nanocomposite of graphene oxide (GO) and iron oxide (Fe3O4) magnetic nanoparticles (MNPs). The removal efficiency of endrin and dieldrin was found higher when GO-MNPs was used as a separating probe than the individual use of GO and MNPs. The removal efficiency of both the pesticides was found to be more favorable when the dosage amount of GO-MNPs was 30 mg for 30-min contact time with pH 4...
September 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28918577/microarray-based-snp-genotyping-to-identify-genetic-risk-factors-of-triple-negative-breast-cancer-tnbc-in-south-indian-population
#2
M Aravind Kumar, Vineeta Singh, Shaik Mohammad Naushad, Uday Shanker, M Lakshmi Narasu
In the view of aggressive nature of Triple-Negative Breast cancer (TNBC) due to the lack of receptors (ER, PR, HER2) and high incidence of drug resistance associated with it, a case-control association study was conducted to identify the contributing genetic risk factors for Triple-negative breast cancer (TNBC). A total of 30 TNBC patients and 50 age and gender-matched controls of Indian origin were screened for 9,00,000 SNP markers using microarray-based SNP genotyping approach. The initial PLINK association analysis (p < 0...
September 16, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28918570/mathematical-description-of-drug-target-interactions-application-to-biologics-that-bind-to-targets-with-two-binding-sites
#3
Leonid Gibiansky, Ekaterina Gibiansky
The emerging discipline of mathematical pharmacology occupies the space between advanced pharmacometrics and systems biology. A characteristic feature of the approach is application of advance mathematical methods to study the behavior of biological systems as described by mathematical (most often differential) equations. One of the early application of mathematical pharmacology (that was not called this name at the time) was formulation and investigation of the target-mediated drug disposition (TMDD) model and its approximations...
September 16, 2017: Journal of Pharmacokinetics and Pharmacodynamics
https://www.readbyqxmd.com/read/28918515/oligodendrocyte-neuron-interactions-impact-on-myelination-and-brain-function
#4
Takeshi Shimizu, Yasuyuki Osanai, Kazuhiro Ikenaka
In the past, glial cells were considered to be 'glue' cells whose primary role was thought to be merely filling gaps in neural circuits. However, a growing number of reports have indicated the role of glial cells in higher brain function through their interaction with neurons. Myelin was originally thought to be just a sheath structure surrounding neuronal axons, but recently it has been shown that myelin exerts effects on the conduction velocity of neuronal axons even after myelin formation. Therefore, the investigation of glial cell properties and the neuron-glial interactions is important for understanding higher brain function...
September 16, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28918511/the-role-of-major-virulence-factors-of-aiec-involved-in-inflammatory-bowl-disease-a-mini-review
#5
REVIEW
Yuqian Yang, Yuexia Liao, Yan Ma, Weijuan Gong, Guoqiang Zhu
Adherent-invasive Escherichia coli (AIEC) has recently attracted more attention because it is closely related to the pathogenicity of human inflammatory bowel disease (IBD). AIEC possesses a multitude of virulence factors. Considering these virulence factors belonging to various virulence groups, including adhesins, invasins, toxins, protectins, and siderophore-mediated iron acquisition, this review summarizes the current knowledge of how the major virulence factors assisting in AIEC survive in, adhere to, and invade host cells...
September 16, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28918484/drug-herb-interactions-in-the-elderly-patient-with-ibd-a-growing-concern
#6
REVIEW
Haider Rahman, Marina Kim, Galen Leung, Jesse A Green, Seymour Katz
Inflammatory bowel disease (IBD), which includes conditions such as Crohn's disease and ulcerative colitis, is becoming more prevalent with the elderly being the fastest growing group. Parallel to this, there is an increasing interest in the use of complementary and alternative medicine (CAM). Nearly half of patients with IBD have used CAM at one time. The elderly patients, however, are burdened by comorbid conditions, polypharmacy, and altered functional status. With increasing use of complementary and alternative medicine in our elderly patients with IBD, it is vital for the provider to provide counsel on drug-herb potential interactions...
September 16, 2017: Current Treatment Options in Gastroenterology
https://www.readbyqxmd.com/read/28918477/in-vitro-inhibition-of-hiv-1-replication-in-autologous-cd4-t-cells-indicates-viral-containment-by-multifactorial-mechanisms
#7
Ting Tu, Jianbo Zhan, Danlei Mou, Wei Li, Bin Su, Tong Zhang, Tao Li, Ning Li, Hao Wu, Cong Jin, Huabiao Chen
HIV-1-specific cytotoxic T lymphocytes (CTLs) and neutralizing antibodies (NAbs) are present during chronic infection, but the relative contributions of these effector mechanisms to viral containment remain unclear. Here, using an in vitro model involving autologous CD4(+) T cells, primary HIV-1 isolates, HIV-1-specific CTLs, and neutralizing monoclonal antibodies, we show that b12, a potent and broadly neutralizing monoclonal antibody to HIV-1, was able to block viral infection when preincubated with virus prior to infection, but was much less effective than CTLs at limiting virus replication when added to infected cell cultures...
September 15, 2017: Virologica Sinica
https://www.readbyqxmd.com/read/28918472/a-reliable-protocol-for-colorimetric-determination-of-iron-oxide-nanoparticle-uptake-by-cells
#8
Daiana K Deda, Roberta M Cardoso, Mayara K Uchiyama, Christiane Pavani, Sergio H Toma, Mauricio S Baptista, Koiti Araki
Size, shape, and surface properties of superparamagnetic iron oxide nanoparticles (SPIONs) can influence their interaction with biological systems, particularly the incorporation by tumor cells and consequently the biological activity and efficiency in biomedical applications. Several strategies have been used to evaluate cellular uptake of SPIONs. While qualitative methods are generally based on microscopy techniques, quantitative assays are carried out by techniques such as inductively coupled plasma-mass spectrometry and flow cytometry...
September 16, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28918464/what-s-next-in-complex-networks-capturing-the-concept-of-attacking-play-in-invasive-team-sports
#9
REVIEW
João Ramos, Rui J Lopes, Duarte Araújo
The evolution of performance analysis within sports sciences is tied to technology development and practitioner demands. However, how individual and collective patterns self-organize and interact in invasive team sports remains elusive. Social network analysis has been recently proposed to resolve some aspects of this problem, and has proven successful in capturing collective features resulting from the interactions between team members as well as a powerful communication tool. Despite these advances, some fundamental team sports concepts such as an attacking play have not been properly captured by the more common applications of social network analysis to team sports performance...
September 16, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28918457/effects-of-menthol-and-its-interaction-with-nicotine-conditioned-cue-on-nicotine-seeking-behavior-in-rats
#10
Erin Harrison, Lisa Biswas, Ramachandram Avusula, Meiyu Zhang, Yongzhen Gong, Xiu Liu
RATIONALE: Increasing clinical evidence suggests that menthol, a significant flavoring additive in tobacco products, may contribute to smoking and nicotine dependence. Relapse to smoking behavior presents a formidable challenge for the treatment of tobacco addiction. An unresolved issue is whether the mentholation of tobacco products precipitates relapse to tobacco use in abstinent smokers. OBJECTIVES: The present study examined the effects of menthol on the perseverance and relapse of nicotine-seeking behavior in rats...
September 16, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28918442/the-role-of-periostin-in-lung-fibrosis-and-airway-remodeling
#11
REVIEW
David N O'Dwyer, Bethany B Moore
Periostin is a protein that plays a key role in development and repair within the biological matrix of the lung. As a matricellular protein that does not contribute to extracellular matrix structure, periostin interacts with other extracellular matrix proteins to regulate the composition of the matrix in the lung and other organs. In this review, we discuss the studies exploring the role of periostin to date in chronic respiratory diseases, namely asthma and idiopathic pulmonary fibrosis. Asthma is a major health problem globally affecting millions of people worldwide with significant associated morbidity and mortality...
September 16, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28918440/interpersonal-sensitivity-and-persistent-attenuated-psychotic-symptoms-in-adolescence
#12
Alice Masillo, M Brandizzi, L R Valmaggia, R Saba, N Lo Cascio, J F Lindau, L Telesforo, P Venturini, D Montanaro, D Di Pietro, M D'Alema, P Girardi, P Fiori Nastro
Interpersonal sensitivity defines feelings of inner-fragility in the presence of others due to the expectation of criticism or rejection. Interpersonal sensitivity was found to be related to attenuated positive psychotic symptom during the prodromal phase of psychosis. The aims of this study were to examine if high level of interpersonal sensitivity at baseline are associated with the persistence of attenuated positive psychotic symptoms and general psychopathology at 18-month follow-up. A sample of 85 help-seeking individuals (mean age = 16...
September 16, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28918428/modification-of-cardiovascular-pharmacotherapy-in-palliative-care-patients-with-cancer-narrative-review
#13
Tomasz Pasierski
Palliative care cancer patients are treated with many drugs especially at the end of life. Limiting of polypharmacy a decreases the risk of associated adverse effects, medical errors and harmful drug interactions The time lag to benefit of many medications used for cardiovascular diseases or risk factors like hypertension, hypercholesterolemia is frequently longer than palliative care cancer patient's life expectancy. It is ethically appropriate to modify, even to discontinue cardiovascular pharmacotherapy when there is no prospect of benefit...
September 13, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28918394/apolipoprotein-l1-confers-ph-switchable-ion-permeability-to-phospholipid-vesicles
#14
Jonathan Bruno, Nicola Pozzi, Jonathan Oliva, John C Edwards
Apolipoprotein L1 (ApoL1) is a human serum protein conferring resistance to African trypanosomes, and certain ApoL1 variants increase susceptibility to some progressive kidney diseases. ApoL1 has been hypothesized to function like a pore-forming colicin and been reported to have permeability effects on both intracellular and plasma membranes. Here, to gain insight into how ApoL1 may function in vivo, we used vesicle-based ion-permeability, direct membrane-association, and intrinsic fluorescence to study the activities of purified recombinant ApoL1...
September 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28918359/major-depressive-disorder-and-anxiety-disorders-from-the-glial-perspective-etiological-mechanisms-intervention-and-monitoring
#15
REVIEW
Mari Sild, Edward S Ruthazer, Linda Booij
Despite intense ongoing research efforts, the etiology of psychiatric disorders remains incompletely understood. Among biological factors playing a role in Major Depressive Disorder (MDD) and Anxiety Disorders (ANX), emerging evidence points to the relevance of different types of glia cells and efficient neuron-glia interactions. Here, we review recent findings highlighting the involvement of central nervous system (CNS) glia in MDD and ANX etiology and treatment response. Additionally, several relatively underexplored topics will be discussed: 1) glial response to non-pharmacological therapies, 2) impact of early life adversity on glia, 3) influence of lifestyle factors on glia in the context of MDD and ANX, and 4) monitoring glial functions in patients...
September 13, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28918354/indium-iii-induces-isolated-mitochondrial-permeability-transition-by-inhibiting-proton-influx-and-triggering-oxidative-stress
#16
Lian Yuan, Jiaqi Zhang, Yujiao Liu, Jie Zhao, Fenglei Jiang, Yi Liu
While Indium's toxicity to organs is realized, its effects on mitochondria are still under investigation. Mitochondrial permeability transition (MPT) is widely accepted in mitochondrial dysfunction approaches and its importance in metal-induced mitochondrial degradation has been proposed. Since mitochondria are respiratory organelles, their interaction with free In(3+) is analyzed to access structural and functional changes. Spectral methods and multimode plate reader was used to detect mitochondrial swelling, membrane potential, membrane fluidity, and inner membrane permeability...
September 8, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28918350/expression-and-functional-characterization-of-the-bnip3-protein-in-renal-cell-carcinomas
#17
Stephan Macher-Goeppinger, Martina Keith, Gencay Hatiboglu, Markus Hohenfellner, Peter Schirmacher, Wilfried Roth, Katrin E Tagscherer
BNIP3 (Bcl-2/adenovirus E1B 19-kDa interacting protein 3) is a BH3-only protein that regulates apoptosis and autophagy. BNIP3 plays also an important role in hypoxia-induced cell response and is regulated by HIF1. Here, we studied a possible association of BNIP3 expression and the prognosis of patients with renal cell carcinomas (RCCs) and examined the functional relevance of BNIP3 in the regulation of cell survival and apoptosis of renal carcinoma cells. BNIP3 expression was determined by immunohistochemistry in RCC tumor tissue samples of 569 patients using a tissue microarray...
September 14, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28918349/inhibition-of-anaerobic-digestion-processes-applications-of-molecular-tools
#18
REVIEW
Yamrot M Amha, Muhammad Zohaib Anwar, Andrew Brower, Carsten S Jacobsen, Lauren B Stadler, Tara M Webster, Adam L Smith
Inhibition of anaerobic digestion (AD) due to perturbation caused by substrate composition and/or operating conditions can significantly reduce performance. Such perturbations could be limited by elucidating microbial community response to inhibitors and devising strategies to increase community resilience. To this end, advanced molecular methods are increasingly being applied to study the AD microbiome, a diverse community of microbial populations with complex interactions. This literature review of AD inhibition studies indicates that inhibitory concentrations are highly variable, likely stemming from differences in community structure or activity profile and previous exposure to inhibitors...
September 4, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28918339/interference-of-dibutylphthalate-on-human-prostate-cell-viability
#19
Mariana Di Lorenzo, Maurizio Forte, Salvatore Valiante, Vincenza Laforgia, Maria De Falco
Dibutylphthalate (DBP) is an environmental pollutant widely used as plasticizer in a variety of industrial applications worldwide. This agent can be found in personal-care products, children's toy, pharmaceuticals, food products. Exposure to DBP can occur via ingestion and inhalation as well as intravenous or skin contact. DBP belongs to the family of endocrine disrupting chemicals (EDCs) and its effects on reproductive system were demonstrated both in vivo and in vitro. In the present study we evaluated the effects of DBP on human prostate adenocarcinoma epithelial cells (LNCaP) in order to highlight xenoestrogens influence on human prostate...
September 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28918320/in-silico-interaction-analysis-of-cannabinoid-receptor-interacting-protein-1b-crip1b-cb1-cannabinoid-receptor
#20
Pratishtha Singh, Anjali Ganjiwale, Allyn C Howlett, Sudha M Cowsik
Cannabinoid Receptor Interacting Protein isoform 1b (CRIP1b) is known to interact with the CB1 receptor. Alternative splicing of the CNRIP1 gene produces CRIP1a and CRIP1b with a difference in the third exon only. Exons 1 and 2 encode for a functional domain in both proteins. CRIP1a is involved in regulating CB1 receptor internalization, but the function of CRIP1b is not very well characterized. Since there are significant identities in functional domains of these proteins, CRIP1b is a potential target for drug discovery...
September 6, 2017: Journal of Molecular Graphics & Modelling
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