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https://www.readbyqxmd.com/read/29793212/should-we-excise-are-there-any-clinical-or-histologic-features-that-predict-upgrade-in-papillomas-incidental-or-non-incidental
#1
Michael Zaleski, Yun An Chen, Alison L Chetlen, Julie Mack, Liyan Xu, Daleela G Dodge, Dipti M Karamchandani
The clinical decision to excise intraductal papilloma (IDP) without atypia diagnosed on biopsy remains controversial. We sought to establish clinical and histologic predictors (if any) which may predict upgrade in IDP. 296 biopsies (in 278 women) with histologic diagnosis of IDP without atypia were retrospectively identified and placed into Incidental (no corresponding imaging correlate), or Non-incidental (positive imaging correlate) groups. 253/296 (85.5%) cases were non-incidental, and 43/296 (14.5%) were incidental...
May 11, 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29793194/simultaneous-determination-of-18-psychoactive-agents-and-6-metabolites-in-plasma-using-lc-ms-ms-and-application-to-actual-plasma-samples-from-conscription-candidates
#2
Dongeun Park, Hyeyoung Choi, Moonhee Jang, Hyejin Chang, Sanghee Woo, Wonkyung Yang
In Korea, an increasing number of people attempt to evade military conscription by posing as mental health patients. To verify the authenticity of mental illness, there is a need to detect wide range of psychoactive agents in biological specimens of conscription candidates. In this study, we developed and validated a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for simultaneous determination of 18 psychoactive agents and 6 metabolites in human plasma. The method was characterized by the use of a simple, fast and cheap protein precipitation as sample preparation, a rapid run time (11min) and a low volume of plasma sample (200μL)...
April 22, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29793193/a-validation-study-of-the-1-2-indandione-reagent-for-operational-use-in-the-uk-part-2-optimization-of-processing-conditions
#3
Niko Nicolasora, Rory Downham, Rachel-May Dyer, Laura Hussey, Aoife Luscombe, Vaughn Sears
This paper contains details of work carried out to identify the most effective processing conditions for the optimized 1,2-indandione/zn formulation developed for use under UK conditions. Using direct measurements of fluorescence taken from test spots of amino acids and eccrine sweat during oven processing, complemented with experiments on real fingermarks, it was established that processing temperatures above 120°C in the oven were detrimental to the fluorescence of the developed mark. Alternative methods of development to oven processing were found to be effective, but less controllable...
May 2, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29793175/apolipoprotein-ciii-and-n-terminal-prohormone-b-type-natriuretic-peptide-as-independent-predictors-for-cardiovascular-disease-in-type-2-diabetes
#4
Marco Colombo, Helen C Looker, Bassam Farran, Felix Agakov, M Julia Brosnan, Paul Welsh, Naveed Sattar, Shona Livingstone, Paul N Durrington, D John Betteridge, Paul M McKeigue, Helen M Colhoun
BACKGROUND AND AIMS: Developing sparse panels of biomarkers for cardiovascular disease in type 2 diabetes would enable risk stratification for clinical decision making and selection into clinical trials. We examined the individual and joint performance of five candidate biomarkers for incident cardiovascular disease (CVD) in type 2 diabetes that an earlier discovery study had yielded. METHODS: Apolipoprotein CIII (apoCIII), N-terminal prohormone B-type natriuretic peptide (NT-proBNP), high sensitivity Troponin T (hsTnT), Interleukin-6, and Interleukin-15 were measured in baseline serum samples from the Collaborative Atorvastatin Diabetes trial (CARDS) of atorvastatin versus placebo...
May 21, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29793100/the-still-uncertain-identity-of-the-channel-forming-unit-s-of-the-mitochondrial-permeability-transition-pore
#5
REVIEW
Christopher P Baines, Manuel Gutiérrez-Aguilar
Mitochondria from different organisms can undergo a sudden process of inner membrane unselective leakiness to molecules known as the mitochondrial permeability transition (MPT). This process has been studied for nearly four decades and several proteins have been claimed to constitute, or at least regulate the usually inactive pore responsible for this transition. However, no protein candidate proposed as the actual pore-forming unit has passed rigorous gain- or loss-of-function genetic tests. Here we review evidence for -and against- putative channel-forming components of the MPT pore...
May 16, 2018: Cell Calcium
https://www.readbyqxmd.com/read/29793051/promising-antileishmanial-activity-of-novel-imidazole-antifungal-drug-luliconazole-against-leishmania-major-in-vitro-and-in-silico-studies
#6
Azar Shokri, Mahdi Abastabar, Masoud Keighobadi, Saeed Emami, Mahdi Fakhar, Saeed Hosseini Teshnizi, Koichi Makimura, Ali Rezaei-Matehkolaei, Hassan Mirzaei
OBJECTIVES: Pentavalent antimonials have been used for the treatment of leishmaniasis for more than 70 years; however their toxicity limits their benefits. Unfortunately, the efficacy of the first line drugs has been decreased and resistance seems to be noticeable. Luliconazole is a new azole with unique effects on fungi which has not been tested on Leishmania parasites yet. METHODS: In the present study, we evaluated cytotoxicity and anti-leishmanial activities of Luliconazole on promastigotes and intracellular amastigotes of Leishmania major (L...
May 21, 2018: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29793048/dna-methylation-differences-at-the-glucocorticoid-receptor-gene-in-depression-are-related-to-functional-alterations-in-hypothalamic-pituitary-adrenal-axis-activity-and-to-early-life-emotional-abuse
#7
Chloё Farrell, Kelly Doolin, Niamh O' Leary, Chaitra Jairaj, Darren Roddy, Leonardo Tozzi, Derek Morris, Andrew Harkin, Thomas Frodl, Zsófia Nemoda, Moshe Szyf, Linda Booij, Veronica O'Keane
Depression is associated with alterations in hypothalamic-pituitary-adrenal (HPA) axis activity. A proposed mechanism to explain these alterations are changes in DNA methylation levels, secondary to early life adversity (ELA), at stress-related genes. Two gene regions that have been implicated in the literature, the glucocorticoid receptor gene (NR3C1) exon 1F and the FKBP5 gene intron 7 were examined in 67 individuals (33 depressed patients and 34 controls). We investigated whether cortisol concentrations, evaluated in 25 depressed patients and 20 controls, and measures of ELA were associated with the degree of methylation at these candidate gene regions...
May 8, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29792948/comparative-transcriptome-analysis-reveals-significant-differences-in-gene-expression-between-appressoria-and-hyphae-in-colletotrichum-gloeosporioides
#8
Meiyu Wang, Zongshan Zhou, Jianyuan Wu, Zhirui Ji, Junxiang Zhang
Fruit rot caused mainly by Colletotrichum gloeosporioides is a major cause of pre- and/or post-harvest diseases, which seriously constrains production, marketing, and export of fruits. To infect the host, this fungus evolves a specialized infection structure called the appressorium. Extensive past studies have characterized many appressorium-related genes in C. gloeosporioides, separately. However, a comprehensive understanding of the genes contributing to appressorium formation is far from complete. Here, global changes in gene expression were analyzed between appressoria and hyphae using RNA-Seq...
May 21, 2018: Gene
https://www.readbyqxmd.com/read/29792927/bacillus-subtilis-as-probiotic-candidate-for-red-sea-bream-growth-performance-oxidative-status-and-immune-response-traits
#9
Amr I Zaineldin, Sayed Hegazi, Shunsuke Koshio, Manabu Ishikawa, Abdulnasser Bakr, Abeer M S El-Keredy, Mahmoud A O Dawood, Serge Dossou, Weilong Wang, Zhang Yukun
The effects of dietary administration of Bacillus subtilis on the growth, digestive enzyme activity, blood chemistry, oxidative status and immune response of red sea bream (Pagrus major) were evaluated in the current study. Fish fed five different levels of B. subtilis at 0 (BS0), 1 × 104 (BS1), 1 × 106 (BS2), 1 × 108 (BS3) and 1 × 1010 (BS4) CFU kg-1 diet for 60 days. The obtained results showed that B. subtilis supplementation significantly improved growth performance (FBW, WG and SGR), feed utilization (FI, FCE, PER and PG) and whole-body protein content when compared to the control group (P < 0...
May 21, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29792926/prediction-of-midlife-hand-osteoarthritis-in-young-men
#10
Karin Magnusson, Aleksandra Turkiewicz, Simon Timpka, Martin Englund
OBJECTIVES: Improved prediction modeling in osteoarthritis (OA) may encourage risk reduction through calculation of individual and population lifetime risks. There are currently no prediction models for hand OA. Thus, we aimed to i) develop a prediction model for hand OA in men and ii) to contrast its discriminative performance to a prediction model for lung cancer and chronic obstructive pulmonary disease (COPD). METHODS: We included 40 118 men aged 18 years undergoing mandatory conscription in Sweden 1969-70...
May 21, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29792895/pharmacogenomics-of-drug-induced-liver-injury-dili-molecular-biology-to-clinical-applications
#11
REVIEW
Kalaiyarasi Kaliyaperumal, Jane I Grove, Robin M Delahay, William J H Griffiths, Adam Duckworth, Guruprasad P Aithal
A number of drug-specific and host-related factors contribute to the development of drug-induced liver injury (DILI). Investigations focused on genetic susceptibility to DILI have advanced our understanding of the pathogenesis of this rare, yet potentially life-threatening adverse reaction. Candidate gene studies involving well-characterized patients with DILI and drug-exposed controls have identified single nucleotide polymorphisms (SNPs) affecting the metabolism and clearance of specific drugs and hence, influencing individual's susceptibility to DILI...
May 21, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29792888/oral-vitamin-a-coupled-valsartan-nanomedicine-high-hepatic-stellate-cell-receptors-accessibility-and-prolonged-enterohepatic-residence
#12
Nesrine S El-Mezayen, Wessam F El-Hadidy, Wessam M El-Refaie, Thanaa I Shalaby, Mahmoud M Khattab, Aiman S El-Khatib
So far, liver fibrosis still has no clinically-approved treatment. The loss of stored vitamin-A (VA ) in hepatic stellate cells (HSCs), the main regulators to hepatic fibrosis, can be applied as a mechanism for their targeting. Valsartan is a good candidate for this approach; it is a marketed oral-therapy with inverse- and partial-agonistic activity to the over-expressed angiotensin-II type1 receptor (AT1R) and depleted nuclear peroxisome proliferator-activated receptor-gamma (PPAR-γ), respectively, in activated HSCs...
May 21, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29792863/identification-of-immunodominant-cd8-epitope-in-the-stalk-domain-of-influenza-b-viral-hemagglutinin
#13
Abenaya Muralidharan, Caroline Gravel, Amparo Duran, Louise Larocque, Changgui Li, Adrian Zetner, Gary Van Domselaar, Lisheng Wang, Xuguang Li
Human infections by type B influenza virus constitute about 25% of all influenza cases. The viral hemagglutinin is comprised of two subunits, HA1 and HA2. While HA1 is constantly evolving in an unpredictable fashion, the HA2 subunit is highly conserved, making it a potential candidate for a universal vaccine. However, immunodominant epitopes in the HA2 subunit remain largely unknown. To delineate MHC Class I epitopes, we first identified 9-mer H-2Kd -restricted CD8 T cell epitopes in the HA2 domain by in silico analyses, followed by evaluating the immunodominance of these peptides in mice challenged with the virus...
May 21, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29792833/self-diffusion-of-water-soluble-fullerene-derivatives-in-mouse-erythrocytes
#14
Irina Avilova, Ekaterina Khakina, Ol''ga Kraevaya, Alexander Kotelnikov, Raisa Kotelnikova, Pavel Troshin, Vitaliy Volkov
Self-diffusion of water-soluble fullerene derivative (WSFD) C60 [S(CH2 )3 SO3 Na]5 H in mouse red blood cells (RBC) was characterized by 1 H pulsed field gradient NMR technique. It was found that a fraction of fullerene molecules (~13% of the fullerene derivative added in aqueous RBC suspension) shows a self-diffusion coefficient of (5.5 ± 0.8)·10-12  m2 /s, which is matching the coefficient of the lateral diffusion of lipids in the erythrocyte membrane (DL  = (5.4 ± 0.8)·10-12  m2 /s). This experimental finding evidences the absorption of the fullerene derivative by RBC...
May 21, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29792805/a-cheminformatic-insight-into-the-differences-between-terrestrial-and-marine-originated-natural-products
#15
Jun Shang, Ben Hu, Junmei Wang, Feng Zhu, Yu Kang, Dan Li, Huiyong Sun, De-Xin Kong, Tingjun Hou
This is a new golden age for the drug discovery based on natural products derived from both marine and terrestrial sources. Herein, a straightforward but important question is what are the major structural differences between marine natural products (MNPs) and terrestrial natural products (TNPs). To answer this question, we analyzed the important physicochemical properties, structural features and drug-likeness of the two types of natural products and discussed their differences from the perceptive of evolution...
May 24, 2018: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/29792588/candida-kantuleensis-sp-nov-a-d-xylose-fermenting-yeast-species-isolated-from-peat-in-a-tropical-peat-swamp-forest
#16
Sukanya Nitiyon, Pannida Khunnamwong, Noppon Lertwattanasakul, Savitree Limtong
Three strains (DMKU-XE11T , DMKU-XE15 and DMKU-XE20) representing a single novel anamorphic and d-xylose-fermenting yeast species were obtained from three peat samples collected from Khan Thulee peat swamp forest in Surat Thani province, Thailand. The strains differed from each other by one to two nucleotide substitutions in the sequences of the D1/D2 region of the large subunit (LSU) rRNA gene and zero to one nucleotide substitution in the internal transcribed spacer (ITS) region. Phylogenetic analysis based on the combined sequences of the ITS and the D1/D2 regions showed that the three strains represented a single Candida species that was distinct from the other related species in the Lodderomyces/Candida albicans clade...
May 24, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29792528/dissociation-of-cerebrospinal-fluid-amyloid-%C3%AE-and-tau-levels-in-patients-with-prolonged-posttraumatic-disorders-of-consciousness
#17
Sergio Bagnato, Maria Andriolo, Cristina Boccagni, Antonino Sant'Angelo, Maria Enza D'Ippolito, Giuseppe Galardi
BACKGROUND: Traumatic brain injury (TBI) is a major risk factor for Alzheimer's disease (AD). Although the mechanisms that lead to AD after a TBI are unclear, we hypothesize that changes in amyloid-β (Aβ) metabolism and abnormal tau phosphorylation are reasonable candidates. OBJECTIVE: To investigate Aβ and tau dynamics in the chronic phase of TBI. METHODS: We evaluated Aβ1-42 , total tau (t-tau), and phosphorylated tau (p-tau) levels in the cerebrospinal fluid (CSF) of 15 patients who developed a prolonged disorder of consciousness after a severe TBI (mean time from TBI 271...
May 24, 2018: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29792521/problematic-video-gaming-in-a-young-spanish-population-association-with-psychosocial-health
#18
Carlos Buiza-Aguado, Araceli Alonso-Canovas, Celia Conde-Mateos, Juan Jose Buiza-Navarrete, Douglas Gentile
Problematic video gaming (PVG) is a concern for psychologists attending children and adolescents. Uniform diagnostic criteria are lacking, and risk factors are poorly understood. Internet gaming disorder (IGD) was included in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), and scales derived from its diagnostic criteria may be helpful to assess PVG. A multicenter study was conducted in secondary schools using an IGD-derived scale (dichotomous Nine-Item Internet Gaming Disorder Scale [IGD-9]), analyzing PVG-related variables...
May 24, 2018: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/29792512/use-of-t2mr-in-invasive-candidiasis-with-and-without-candidemia
#19
Ioannis M Zacharioudakis, Fainareti N Zervou, Eleftherios Mylonakis
The mortality associated with invasive candidiasis remains unacceptably high. The T2 magnetic resonance (T2MR) assay is a novel US FDA-approved molecular diagnostic assay for the diagnosis of candidemia that can rapidly detect the five most commonly isolated Candida spp. In clinical trials, T2MR has exhibited good clinical sensitivity and specificity. Potential benefits from the adoption of T2MR technology in the diagnostic and therapeutic algorithms for invasive candidiasis can arise from timely diagnosis of disease, increased case detection, tailored therapy and decrease in empiric antifungal treatment...
May 24, 2018: Future Microbiology
https://www.readbyqxmd.com/read/29792508/effects-of-tgf-%C3%AE-overexpression-via-raav-gene-transfer-on-the-early-repair-processes-in-an-osteochondral-defect-model-in-minipigs
#20
Magali Cucchiarini, Ann-Kathrin Asen, Lars Goebel, Jagadeesh K Venkatesan, Gertrud Schmitt, David Zurakowski, Michael D Menger, Matthias W Laschke, Henning Madry
BACKGROUND: Application of the chondrogenic transforming growth factor beta (TGF-β) is an attractive approach to enhance the intrinsic biological activities in damaged articular cartilage, especially when using direct gene transfer strategies based on the clinically relevant recombinant adeno-associated viral (rAAV) vectors. PURPOSE: To evaluate the ability of an rAAV-TGF-β construct to modulate the early repair processes in sites of focal cartilage injury in minipigs in vivo relative to control (reporter lacZ gene) vector treatment...
May 1, 2018: American Journal of Sports Medicine
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