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https://www.readbyqxmd.com/read/28632408/the-burden-of-sexual-problems-perceived-effects-on-men-s-and-women-s-sexual-partners
#1
David L Rowland, Tiffany N Kolba
Sexual dysfunction sometimes negatively affects the individual, his or her partner, and the relationship. We investigated the relationship between the distress experienced by men and women with orgasmic phase difficulties and the perceived distress of their partner(s). We also identified predictors of perceived partner distress, and related self and partner distress to severity of the problem and relationship quality. Data were drawn from 374 men with premature ejaculation (PE) and 377 women with anorgasmia who responded to a survey regarding their sexual functioning, including their distress about their condition and the perceived distress of their partners...
June 20, 2017: Journal of Sex Research
https://www.readbyqxmd.com/read/28626229/linking-social-context-and-addiction-neuroscience-a-computational-psychiatry-approach
#2
Andrea Reiter, Andreas Heinz, Lorenz Deserno
No abstract text is available yet for this article.
June 19, 2017: Nature Reviews. Neuroscience
https://www.readbyqxmd.com/read/28622444/paraneoplastic-pemphigus-in-two-pairs-of-brothers
#3
B Kranzelbinder, T Hashimoto, M Joch, W Salmhofer, H Reiter, J Bauer, E Aberer
A 65-year-old man (Patient 1A) presented with erosions on the face, upper trunk and the oral mucosa in 1995 (Table 1). He underwent prostatectomy for prostate cancer in 1990. PNP was proven by antibodies to IgG anti-epithelial cell surface (ECS), desmoglein (Dsg)1, and Dsg3. This article is protected by copyright. All rights reserved.
June 16, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28621970/anomalies-in-the-charge-yields-of-fission-fragments-from-the-238-u-n-f-reaction
#4
J N Wilson, M Lebois, L Qi, P Amador-Celdran, D Bleuel, J A Briz, R Carroll, W Catford, H De Witte, D T Doherty, R Eloirdi, G Georgiev, A Gottardo, A Goasduff, K Hadyńska-Klęk, K Hauschild, H Hess, V Ingeberg, T Konstantinopoulos, J Ljungvall, A Lopez-Martens, G Lorusso, R Lozeva, R Lutter, P Marini, I Matea, T Materna, L Mathieu, A Oberstedt, S Oberstedt, S Panebianco, Zs Podolyák, A Porta, P H Regan, P Reiter, K Rezynkina, S J Rose, E Sahin, M Seidlitz, O Serot, R Shearman, B Siebeck, S Siem, A G Smith, G M Tveten, D Verney, N Warr, F Zeiser, M Zielinska
Fast-neutron-induced fission of ^{238}U at an energy just above the fission threshold is studied with a novel technique which involves the coupling of a high-efficiency γ-ray spectrometer (MINIBALL) to an inverse-kinematics neutron source (LICORNE) to extract charge yields of fission fragments via γ-γ coincidence spectroscopy. Experimental data and fission models are compared and found to be in reasonable agreement for many nuclei; however, significant discrepancies of up to 600% are observed, particularly for isotopes of Sn and Mo...
June 2, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28615981/human-taeniasis-current-insights-into-prevention-and-management-strategies-in-endemic-countries
#5
REVIEW
Anna L Okello, Lian Francesca Thomas
Human taeniasis is a zoonotic condition resulting from infection with the adult stages of Taenia saginata ("beef tapeworm"), Taenia solium ("pork tapeworm") or Taenia asiatica ("Asian tapeworm"). Although these parasites have a worldwide distribution, the overwhelming burden is felt by communities in low- and middle-income countries. This is particularly true for T. solium, whereby infection of the central nervous system with the larval stage of the parasite (neurocysticercosis) is a major cause of acquired epilepsy in low-resource settings...
2017: Risk Management and Healthcare Policy
https://www.readbyqxmd.com/read/28615294/pituitary-stem-cell-regulation-who-is-pulling-the-strings
#6
Benoit Cox, Heleen Roose, Annelies Vennekens, Hugo Vankelecom
The pituitary gland plays a pivotal role in the endocrine system, steering fundamental processes of growth, metabolism, reproduction and coping with stress. The adult pituitary contains resident stem cells which are highly quiescent in homeostatic conditions. However, the cells show marked signs of activation during processes of increased cell remodeling in the gland, including maturation at neonatal age, adaptation to physiological demands, regeneration upon injury, and growth of local tumors. Although functions of pituitary stem cells are slowly but gradually uncovered, their regulation largely remains virgin territory...
June 14, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28611801/melatonin-improves-the-photosynthetic-apparatus-in-pea-leaves-stressed-by-paraquat-via-chlorophyll-breakdown-regulation-and-its-accelerated-de-novo-synthesis
#7
Katarzyna Szafrańska, Russel J Reiter, Małgorzata M Posmyk
The positive effect of melatonin on the function of the photosynthetic apparatus is known, but little is known about the specific mechanisms of melatonin's action in plants. The influence of melatonin on chlorophyll metabolism of 24-day-old Pisum sativum L. seedlings during paraquat (PQ)-induced oxidative stress was investigated in this study. Seeds were hydro-primed with water (H), 50 and 200 μM melatonin/water solutions (H-MEL50, H-MEL200), while non-primed seeds were used as controls (C). Increases in chlorophyllase activity (key enzyme in chlorophyll degradation) and 5-aminolevulinic acid contents (the first compound in the porphyrin synthesis pathway) were observed in H-MEL50 and H-MEL200 leaf disks...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28605818/-phonomicrosurgery-a-retrospective-analysis-of-400-cases
#8
Rudolf Reiter, Thomas Hoffmann
Introduction Voice disorders caused by pseudotumors of the vocal folds or paralysis of the vocal folds with incomplete glottis closure frequently require phonomicrosurgery. These interventions were analyzed with regard to quality of voice after surgery and safety of the intervention. Methods Retrospective analysis of 400 consecutive phonomicrosurgery interventions. The following parameters were collected: distribution of pathologies of the vocal folds, rating of the voice quality by both the surgeon (RBH-system) and patient and videolaryngstroboscopy six weeks after the intervention compared to the state prior to surgery, complications and results of histological examination...
June 12, 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28599832/model-based-control-in-dimensional-psychiatry
#9
REVIEW
Valerie Voon, Andrea Reiter, Miriam Sebold, Stephanie Groman
We use parallel interacting goal-directed and habitual strategies to make our daily decisions. The arbitration between these strategies is relevant to inflexible repetitive behaviors in psychiatric disorders. Goal-directed control, also known as model-based control, is based on an affective outcome relying on a learned internal model to prospectively make decisions. In contrast, habit control, also known as model-free control, is based on an integration of previous reinforced learning autonomous of the current outcome value and is implicit and more efficient but at the cost of greater inflexibility...
April 23, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28597140/erratum-to-peri-interventional-neurological-complication-rates-in-patients-undergoing-carotid-artery-stenting-depend-on-the-side-of-the-stenosis-treated
#10
Juergen Kammler, Hermann Blessberger, Michael Lichtenauer, Thomas Lambert, Joerg Kellermair, Alexander Nahler, Stefan Schwarz, Christian Reiter, Michael Grund, Alexander Kypta, Clemens Steinwender
No abstract text is available yet for this article.
June 9, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28597001/calcified-liver-metastases-from-a-neuroendocrine-tumor-of-the-lung-atypical-carcinoid-a-case-report
#11
Rolf Reiter, Jochen Maul, Jan Christian Preis, Hendrik Blaeker, Zarko Grozdanovic
Pulmonary neuroendocrine tumors (NETs) are rare tumors with an incidence rate of 0.2-2/100 000 population/year in Western countries (M. E. Caplin et al. Ann Oncol 2015; 26:1604-20). They account for 1-2% of all neoplasms of the lung and constitute one-fourth to one-third of all NETs. Atypical carcinoids are far less common than typical carcinoids and predominantly occur in male smokers aged 50 -70 years. Most pulmonary NETs are asymptomatic due to their peripheral location. Surgical resection is the treatment of choice...
April 2017: Ultrasound International Open
https://www.readbyqxmd.com/read/28596419/intra-tumor-heterogeneity-novel-approaches-for-resolving-genomic-architecture-and-clonal-evolution
#12
Ravi G Gupta, Robert A Somer
High-throughput genomic technologies have revealed a remarkably complex portrait of intra-tumor heterogeneity in cancer and have shown that tumors evolve through a reiterative process of genetic diversification and clonal selection. This discovery has challenged the classical paradigm of clonal dominance and brought attention to subclonal tumor cell populations that contribute to the cancer phenotype. Dynamic evolutionary models may explain how these populations grow within the ecosystem of tissues, including linear, branching, neutral and punctuated patterns...
June 8, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28594565/structure-formation-in-langmuir-peptide-films-as-revealed-from-coarse-grained-molecular-dynamics-simulations
#13
Volker Knecht, Guenter Reiter, Helmut Schlaad, Renate Reiter
Molecular dynamics simulations in conjunction with the Martini coarse grained model have been used to investigate the (nonequilibrium) behavior of helical 22-residue poly(γ-benzyl-L-glutamate)(PBLG) peptides at the water/vapor interface. Pre-formed PBLG mono- or bilayers homogeneously covering the water surface laterally collapse in tens of nanoseconds, exposing significant proportions of empty water surface. This behavior was also observed in recent AFM experiments at similar areas per monomer, where a complete coverage had been assumed in earlier work...
June 8, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28594024/low-loss-optical-waveguiding-in-large-single-crystals-of-a-thiophene-based-oligomer
#14
Sajedeh Motamen, Christian Schörner, Dominic Raithel, Jean-Pierre Malval, Thibaut Jarrosson, Françoise Serein-Spirau, Laurent Simon, Richard Hildner, Günter Reiter
Active optical waveguides based on functional small organic molecules in micro/nano regime have attracted great interest for their potential applications in high speed miniaturized photonic integrations. Here, we report on the active waveguiding properties of millimeter sized single crystals of a newly synthesized thiophene-based oligomer. These large crystals exhibit low optical loss compared to other organic nanostructures, and optical losses depend on the emission energy. Moreover, we find that the coupling of photoluminescence to waveguide modes is very efficient, typically greater than 40%...
June 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28585236/melatonin-in-regulation-of-inflammatory-pathways-in-rheumatoid-arthritis-and-osteoarthritis-involvement-of-circadian-clock-genes
#15
REVIEW
Rana Jahanban-Esfahlan, Saeed Mehrzadi, Russel J Reiter, Khaled Seidi, Maryam Majidinia, Hossein Bannazadeh Baghi, Nasrin Khatami, Bahman Yousefi, Alireza Sadeghpour
Rheumatoid arthritis (RA) and osteoarthritis (OA) are the two most prevalent joint diseases; they are important causes of pain and disability in a substantial proportion of the human population. A common characteristic of these diseases is the erosion of articular cartilage and consequently joint dysfunction. Melatonin (MLT) is proposed as a potential link between the circadian rhythms and joint diseases including RA and OA. This agent elicits divergent regulatory actions through binding to specific receptors and intracellular targets as well as having receptor-independent actions as a free radical scavenger...
June 5, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28585229/tomoelastography-of-the-prostate-using-multifrequency-mr-elastography-and-externally-placed-pressurized-air-drivers
#16
Florian Dittmann, Rolf Reiter, Jing Guo, Matthias Haas, Patrick Asbach, Thomas Fischer, Jürgen Braun, Ingolf Sack
PURPOSE: To demonstrate the feasibility of in vivo multifrequency magnetic resonance elastography (MRE) of the prostate using externally placed drivers. METHODS: Three pressurized-air drivers were used to excite shear waves within the prostate at vibration frequencies of 60, 70, and 80 Hz. Full 3D wave fields were acquired by multislice spin-echo echo-planar imaging in conjunction with tomoelastography wave speed recovery for generating full field-of-view stiffness maps...
June 6, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28584461/infective-endocarditis-due-to-abiotrophia-defectiva-and-its-feared-complications-in-an-immunocompetent-person-rare-but-real
#17
Mohan Rudrappa, Laxmi Kokatnur
Abiotrophia defectiva is nutritional deficient streptococci that cannot be cultured on routine culture medias. Even though fastidious in growth requirement, it is a virulent bacterium preferentially affecting endovascular structures and is implicated in many culture-negative endocarditis cases. Unlike other organisms, it is known for heart valve destruction leading to heart failure and excessive embolization rates. It's inherent resistance to routinely used antibiotics also contributed to increased mortality and morbidity in affected individuals and warrants timely diagnosis and prompt treatment...
April 2017: Journal of Global Infectious Diseases
https://www.readbyqxmd.com/read/28582499/dental-pulp-stem-cells-for-the-study-of-neurogenetic-disorders
#18
A Kaitlyn Victor, Lawrence T Reiter
Dental pulp stem cells (DPSC) are a relatively new alternative stem cell source for the study of neurogenetic disorders. DPSC can be obtained non-invasively and collected from long-distances remaining viable during transportation. These highly proliferative cells express stem cell markers and retain the ability to differentiate down multiple cell lineages including chondrocytes, adipocytes, osteoblasts, and multiple neuronal cell types. The neural crest origin of DPSC makes them a useful source of primary cells for modeling neurological disorders at the molecular level...
June 5, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28582402/a-matter-of-months-high-precision-migration-chronology-of-a-bronze-age-female
#19
Karin Margarita Frei, Chiara Villa, Marie Louise Jørkov, Morten E Allentoft, Flemming Kaul, Per Ethelberg, Samantha S Reiter, Andrew S Wilson, Michelle Taube, Jesper Olsen, Niels Lynnerup, Eske Willerslev, Kristian Kristiansen, Robert Frei
Establishing the age at which prehistoric individuals move away from their childhood residential location holds crucial information about the socio dynamics and mobility patterns in ancient societies. We present a novel combination of strontium isotope analyses performed on the over 3000 year old "Skrydstrup Woman" from Denmark, for whom we compiled a highly detailed month-scale model of her migration timeline. When combined with physical anthropological analyses this timeline can be related to the chronological age at which the residential location changed...
2017: PloS One
https://www.readbyqxmd.com/read/28576771/bmp-signaling-orchestrates-a-transcriptional-network-to-control-the-fate-of-mesenchymal-stem-cells-in-mice
#20
Jifan Feng, Junjun Jing, Jingyuan Li, Hu Zhao, Vasu Punj, Tingwei Zhang, Jian Xu, Yang Chai
Signaling pathways are used reiteratively in different developmental processes yet produce distinct cell fates through specific downstream transcription factors. In this study, we used tooth root development as a model to investigate how the BMP signaling pathway regulates transcriptional complexes to direct the fate determination of multipotent mesenchymal stem cells (MSCs). We first identified the MSC population supporting mouse molar root growth as Gli1+ cells. Using a Gli1-mediated transgenic animal model, our results provide the first in vivo evidence that BMP signaling activity is required for the odontogenic differentiation of MSCs...
June 2, 2017: Development
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