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https://www.readbyqxmd.com/read/29145707/relationship-between-testosterone-in-serum-saliva-and-urine-during-treatment-with-intramuscular-testosterone-undecanoate-in-gender-dysphoria-and-male-hypogonadism
#1
Y Lood, E Aardal-Eriksson, C Webe, J Ahlner, B Ekman, J Wahlberg
Long-term testosterone replacement therapy is mainly monitored by trough levels of serum testosterone (S-T), while urinary testosterone (U-T) is used by forensic toxicology to evaluate testosterone doping. Testosterone in saliva (Sal-T) may provide additional information and simplify the sample collection. We aimed to investigate the relationships between testosterone measured in saliva, serum and urine during standard treatment with 1,000 mg testosterone undecanoate (TU) every 12th week during 1 year. This was an observational study...
November 16, 2017: Andrology
https://www.readbyqxmd.com/read/29145111/a-novel-protein-tyrosine-phosphatase-like-phytase-from-lactobacillus-fermentum-nkn51-cloning-characterization-and-application-in-mineral-release-for-food-technology-applications
#2
Rekha Sharma, Piyush Kumar, Vandana Kaushal, Rahul Das, Naveen Kumar Navani
A novel protein tyrosine phosphatase like phytase (PTPLP), designated as PhyLf from probiotic bacterium Lactobacillus fermentum NKN51 was identified, cloned, expressed and characterized. The recombinant PhyLf showed specific activity of 174.5 U/mg. PhyLf exhibited strict specificity towards phytate and optimum temperature at 60 °C, pH 5.0 and ionic strength of 100 mM. Km and Kcat of PhyLf for phytate were 0.773 mM and 84.31 s(-1), respectively. PhyLf exhibited high resistance against oxidative inactivation...
November 4, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29144884/adiposity-and-asthma-in-a-nationwide-study-of-children-and-adults-in-the-united-states
#3
Erick Forno, Yueh-Ying Han, Ingrid M Libman, Radhika H Muzumdar, Juan C Celedón
RATIONALE: While obesity has been associated with asthma, body mass index (BMI) is suboptimal to fully characterize adiposity. OBJECTIVES: We examined the relation between adiposity and asthma in a large sample of the U.S. population, using indices defined by dual energy X-ray absorptiometry (DXA). METHODS: We analyzed data from 8,886 children (aged 8-19 years) and 12,795 adults (aged 20-69 years) from the 2001-2006 National Health and Nutrition Examination Survey (NHANES)...
November 16, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29144760/multi-spectroscopic-and-theoretical-exploration-on-the-comparative-binding-aspects-of-the-bio-flavonoid-fisetin-with-triple-and-double-helical-forms-of-rna
#4
Sutanwi Bhuiya, Lucy Haque, Rapti Goswami, Suman Das
The interactions of RNA triplex (U.A*U) and duplex (A.U) with the naturally occurring flavonoid fisetin (FTN) have been examined at pH 7.0 using various spectroscopic, viscometric and theoretical studies. Experimental observations showed that the ligand binds with both double and triple helical forms of RNA, although the binding affinity is greater for the triplex structure (5.94106 M-1) compared to the duplex counterpart (1.0105 M-1). Thermal melting experiments revealed that the Hoogsteen base paired third strand of triplex was stabilized to a greater extent (~14 C) compared to the Watson-Crick base paired second strand (~4 C) in presence of FTN...
November 16, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29144014/translocation-of-precision-polymers-through-biological-nanopores
#5
Mordjane Boukhet, Niklas Felix König, Abdelaziz Al Ouahabi, Gerhard Baaken, Jean-François Lutz, Jan C Behrends
Nanopore analysis, which is, currently, chiefly used for DNA sequencing, is also an appealing technique for characterizing abiotic polymers. As a first step toward this goal, nanopore detection of non-natural monodispersed poly(phosphodiester)s as candidate backbone structures is reported herein. Two model homopolymers containing phosphopropyl repeat units (i.e., 56 or 104 r.u.) and a short thymidine nucleotide sequence are analyzed in the present work. They are tested in two different biological nanopores, α-hemolysin from Staphylococcus aureus, and aerolysin from Aeromonas hydrophila...
November 16, 2017: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29143987/effect-of-body-temperature-on-the-pharmacokinetics-of-a-triarylmethyl-type-paramagnetic-contrast-agent-used-in-epr-oximetry
#6
Ken-Ichiro Matsumoto, Fuminori Hyodo, James B Mitchell, Murali C Krishna
PURPOSE: Pharmacokinetics of the tri[8-carboxy-2,2,6,6-tetrakis(2-hydroxymethyl)benzo[1,2-d:4,5-d']bis(1,3)dithio-4-yl]methyl radical (Oxo63) after a single bolus and/or continuous intravenous infusion was investigated in tumor-bearing C3H mice with or without body temperature control while under anesthesia. METHOD: The in vivo time course of Oxo63 in blood was measured using X-band electron paramagnetic resonance spectroscopy. Distribution of Oxo63 in normal muscle and tumor tissues was obtained using a surface coil resonator and a 700-MHz electron paramagnetic resonance spectrometer...
November 16, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29143981/high-plasma-25-hydroxyvitamin-d-and-high-risk-of-non-melanoma-skin-cancer-a-mendelian-randomisation-study-of-97849-individuals
#7
U C Winsløw, B G Nordestgaard, S Afzal
BACKGROUND: High plasma 25-hydroxyvitamin D (25 (OH)D) concentration has been associated observationally with high risk of non-melanoma skin cancer, while many studies suggest that vitamin D could have a protective effect on cancer. The true association between vitamin D and risk of skin cancer remains unclear. OBJECTIVES: In this Mendelian randomisation study we tested the hypothesis that genetically high plasma 25(OH)D protects against non-melanoma skin cancer...
November 16, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/29143348/runx-2-opn-and-ocn-expression-induced-by-grey-and-white-mineral-trioxide-aggregate-in-normal-and-hypertensive-rats
#8
C M Martins, I O A Queiroz, E Ervolino, L T A Cintra, J E Gomes-Filho
AIM: To investigate whether hypertension affects white and grey mineral trioxide aggregate (MTA Angelus (®) ) mineralization implanted subcutaneously into rats by assaying osteoblastic biomarkers. METHODOLOGY: Polyethylene tubes containing grey MTA Angelus (®) , white MTA Angelus (®) , intermediate restorative material (IRM; positive control), or an empty tube (negative control) were implanted into the dorsal connective tissue of spontaneous hypertensive (n = 12) and Wistar (normotensive; n = 10) rats...
November 16, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/29143157/evaluation-of-hiv-disclosure-behavior-following-a-randomized-controlled-disclosure-intervention-for-men-who-have-sex-with-men-living-with-hiv
#9
Julianne M Serovich, Tanja C Laschober, Monique J Brown, Judy A Kimberly
Preventing the transmission of HIV, especially among high-risk populations, is a U.S. public health priority. Interventions aimed at easing the burden of HIV disclosure to casual sexual partners among men who have sex with men (MSM) living with HIV are essential in this endeavor. This randomized controlled study evaluated differences in disclosure behavior between a disclosure intervention (DI) and attention control case management (ACCM) group for MSM living with HIV (N = 315) and determinants (self-efficacy, outcome expectancy) of disclosure...
November 15, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/29142823/investigation-of-useful-carbon-tracers-for-13-c-metabolic-flux-analysis-of-escherichia-coli-by-considering-five-experimentally-determined-flux-distributions
#10
Kousuke Maeda, Nobuyuki Okahashi, Yoshihiro Toya, Fumio Matsuda, Hiroshi Shimizu
The (13)C-MFA experiments require an optimal design since the precision or confidence intervals of the estimated flux levels depends on factors such as the composition of (13)C-labeled carbon sources, as well as the metabolic flux distribution of interest. In this study, useful compositions of (13)C-labeled glucose for (13)C-metabolic flux analysis ((13)C-MFA) of Escherichia coli are investigated using a computer simulation of the stable isotope labeling experiment. Following the generation of artificial mass spectra datasets of amino acid fragments using five literature-reported flux distributions of E...
December 2016: Metabolic Engineering Communications
https://www.readbyqxmd.com/read/29142479/medication-beliefs-predict-medication-adherence-in-ambulatory-patients-with-decompensated-cirrhosis
#11
Kelly L Hayward, Patricia C Valery, Jennifer H Martin, Antara Karmakar, Preya J Patel, Leigh U Horsfall, Caroline J Tallis, Katherine A Stuart, Penny L Wright, David D Smith, Katharine M Irvine, Elizabeth E Powell, W Neil Cottrell
AIM: To investigate the impact of medication beliefs, illness perceptions and quality of life on medication adherence in people with decompensated cirrhosis. METHODS: One hundred adults with decompensated cirrhosis completed a structured questionnaire when they attended for routine outpatient hepatology review. Measures of self-reported medication adherence (Morisky Medication Adherence Scale), beliefs surrounding medications (Beliefs about Medicines Questionnaire), perceptions of illness and medicines (Brief Illness Perception Questionnaire), and quality of life (Chronic Liver Disease Questionnaire) were examined...
October 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29142069/cat-02-106-a-site-specifically-conjugated-anti-cd22-antibody-bearing-an-mdr1-resistant-maytansine-payload-yields-excellent-efficacy-and-safety-in-preclinical-models
#12
Penelope M Drake, Adam Carlson, Jesse M McFarland, Stefanie Banas, Robyn M Barfield, Wesley Zmolek, Yun Cheol Kim, Betty C B Huang, Romas Kudirka, David Rabuka
Hematologically-derived tumors make up ~10% of all newly-diagnosed cancer cases in the U.S. Of these, the non-Hodgkin lymphoma (NHL) designation describes a diverse group of cancers that collectively rank among the top 10 most commonly diagnosed cancers worldwide. Although long-term survival trends are improving, there remains a significant unmet clinical need for treatments to help patients with relapsed or refractory disease, one cause of which is drug efflux through upregulation of xenobiotic pumps, such as MDR1...
November 15, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29141781/heart-failure-with-preserved-borderline-and-reduced-ejection-fraction-5-year-outcomes
#13
Kevin S Shah, Haolin Xu, Roland A Matsouaka, Deepak L Bhatt, Paul A Heidenreich, Adrian F Hernandez, Adam D Devore, Clyde W Yancy, Gregg C Fonarow
BACKGROUND: Patients with heart failure (HF) have a poor prognosis and are categorized by ejection fraction (EF). OBJECTIVES: This study sought to characterize differences in outcomes in patients hospitalized with heart failure with preserved ejection fraction (HFpEF) (EF ≥50%), heart failure with borderline ejection fraction (HFbEF) (EF 41% to 49%), and heart failure with reduced ejection fraction (HFrEF) (EF ≤40%). METHODS: Data from GWTG-HF (Get With The Guidelines-Heart Failure) were linked to Medicare data for longitudinal follow-up...
October 31, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29141371/-effect-of-recombinant-human-growth-hormone-therapy-on-metabolic-parameters-in-patients-with-craniopharyngioma
#14
J F Mao, X Wang, S Y Xiong, J J Zheng, B Q Yu, M Nie, X Y Wu, S T Qi
Objective: To investigate the effects of recombinant human growth hormone (rhGH) on metabolic parameters in patients with craniopharyngioma surgeries. Methods: Totallys 30 patients with craniopharyngioma were included in this retrospective study. They were divided into growth hormone (GH) group and control group according to whether they received rhGH therapy or not. The following parameters, including body mass index (BMI), weight, waist circumstance, transaminase, fasting blood glucose, lipid profile and high-sensitivity C-reactive protein (hsCRP) were compared after rhGH therapy for 4-6 months...
November 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29141361/-effect-of-probucol-on-preventing-contrast-induced-nephropathy-in-patients-undergoing-percutaneous-coronary-intervention
#15
X Q Suo, S C Yang, Z H Ma, T T Sun, W Y Zhang, H L Cong, W H Lin, C Z Lu, F S Tian, N K Fu
Objective: To investigate the preventive effect, possible mechanism and safety of probucol on contrast-induced nephropathy (CIN) after percutaneous coronary intervention (PCI) in patients with coronary heart disease (CHD). Methods: A total of 641 patients with coronary heart disease were consecutively enrolled from Department of Cardiology, in Tianjin Chest Hospital, Tianjin TEDA International Cardiovascular Hospital, Tianjin First Central Hospital, Tianjin Fourth Central Hospital. They were randomly divided into probucol group (n=321) and control group (n=320)...
November 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29141023/domestic-sheep-show-average-coxiella-burnetii-seropositivity-generations-after-a-sheep-associated-human-q-fever-outbreak-and-lack-detectable-shedding-by-placental-vaginal-and-fecal-routes
#16
Ryan D Oliveira, Michelle R Mousel, Kristy L Pabilonia, Margaret A Highland, J Bret Taylor, Donald P Knowles, Stephen N White
Coxiella burnetii is a globally distributed zoonotic bacterial pathogen that causes abortions in ruminant livestock. In humans, an influenza-like illness results with the potential for hospitalization, chronic infection, abortion, and fatal endocarditis. Ruminant livestock, particularly small ruminants, are hypothesized to be the primary transmission source to humans. A recent Netherlands outbreak from 2007-2010 traced to dairy goats resulted in over 4,100 human cases with estimated costs of more than 300 million euros...
2017: PloS One
https://www.readbyqxmd.com/read/29140916/gender-disparities-in-medical-student-research-awards-a-thirteen-year-study-from-the-yale-school-of-medicine
#17
Joseph T King, Nancy R Angoff, John N Forrest, Amy C Justice
PURPOSE: Instruction in research conduct is currently required, and many U.S. medical schools require students to complete a research project. Each year all Yale School of Medicine (YSM) graduating students submit a research thesis, and ~5% are awarded highest honors. Gender disparities exist in areas related to physician research productivity, including academic rank, research funding, and publications. The authors asked whether gender disparities exist for medical student research. METHOD: The authors conducted a retrospective review of 1,120 theses submitted by graduating medical students from 2003-2015 at YSM and collected data on gender, mentoring, research type, sponsoring department, and other characteristics...
November 14, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/29140910/polygenic-profile-and-exercise-induced-muscle-damage-by-a-competitive-half-ironman
#18
Juan Del Coso, Juan J Salinero, Beatriz Lara, César Gallo-Salazar, Francisco Areces, David Herrero, Carlos Puente
Del Coso, J, Salinero, JJ, Lara, B, Gallo-Salazar, C, Areces, F, Herrero, D, and Puente, C. Polygenic profile and exercise-induced muscle damage by a competitive half-ironman. J Strength Cond Res XX(X): 000-000, 2017-To date, it is still unknown why some individuals develop higher levels of muscle damage than other individuals, despite participating in exercise with comparable levels of physical intensity. The aim of this investigation was to analyze 7 single-nucleotide polymorphisms (SNPs) that are candidates to explain individual variations in the level of muscle damage attained during a half-ironman competition...
November 14, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29139595/structure-and-electronic-properties-of-unnatural-base-pairs-role-of-dispersion-interactions
#19
Ayan Datta, Sk Jahiruddin, Nilangshu Mandal
Recent report of the success of unnatural base pairs (UBPs) like d5SICS-dNaM to be incorporated within the gene sequence and get replicated with DNA is an important milestone in synthetic biology. Followed by this, several other UBPs like dTPT3-dNaM, dTPT3-dFIMO, dTPT3-IMO, dTPT3-FEMO, FTPT3-NaM, FTPT3-FIMO, FTPT3-IMO, FTPT3-FEMO, have demonstrated similar or better retention and fidelity inside cell. Among these base pairs, dNaM-dTPT3 has been optimized to be a better fit inside a pAIO plasmid. Based on both implicit and explicit dispersion corrected density functional theory (DFT) calculations, we show that although the set of UBPs are significantly diverse in their elemental and structural configuration they do share a common trait of favoring a slipped parallel stacked dimer arrangement...
November 15, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/29139075/investigation-of-the-effects-of-slow-release-fertilizer-and-struvite-in-biodegradation-in-filter-drains-and-potential-application-of-treated-water-in-irrigation-of-road-verges
#20
Stephen C Theophilus, Fredrick U Mbanaso, Ernest O Nnadi, Kingsley T Onyedeke
Filter drains are usually laid along the margins of highways. Highway runoffs are polluted with hydrocarbons and high levels of total dissolved solids. Therefore, effective pollution removal mechanism is necessary in order to avoid contamination of surrounding soils and groundwater. Biodegradation is amongst pollution removal mechanisms in filter drains, but it is a relatively slow process which is dependent on wide range of factors including the type of pollutant and availability of nutrients. This paper reports on a study conducted to investigate the impact of slow-release fertilizer and struvite in enhancement of biodegradation of hydrocarbon in filter drains...
November 14, 2017: Environmental Science and Pollution Research International
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