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Huanhuan Hu, Naoko Sasaki, Takayuki Ogasawara, Satsue Nagahama, Shamima Akter, Keisuke Kuwahara, Takeshi Kochi, Masafumi Eguchi, Ikuko Kashino, Taizo Murakami, Makiko Shimizu, Akihiko Uehara, Makoto Yamamoto, Tohru Nakagawa, Toru Honda, Shuichiro Yamamoto, Ai Hori, Chihiro Nishiura, Hiroko Okazaki, Teppei Imai, Akiko Nishihara, Toshiaki Miyamoto, Kentaro Tomita, Isamu Kabe, Tetsuya Mizoue, Naoki Kunugita, Seitaro Dohi
Introduction: We aimed to determine the prospective association of smoking status, smoking intensity, and smoking cessation with the risk of hearing loss in a large Japanese cohort. Methods: The cohort study included 50195 employees, who were aged 20-64 years and free of hearing loss at baseline. Participants were followed up for a maximum of 8 years. Pure-tone audiometric testing was performed annually to identify hearing loss at 1 and 4 kHz. Cox proportional hazards regression models were used to investigate the association between smoking and hearing loss...
March 14, 2018: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
Firas Sbeih, Florian Christov, Michael B Gluth
OBJECTIVE: To describe the course of Meniere's disease with noninvasive treatment during the first few years after initial diagnosis. METHODS: A retrospective review of consecutive patients with newly diagnosed definite Meniere's disease between 2013 and 2016 and a minimum follow-up of 1 year. Patients received a written plan for low sodium, water therapy, and treatment with a diuretic and/or betahistine. Subjects were screened and treated for vestibular migraine as needed...
March 1, 2018: Annals of Otology, Rhinology, and Laryngology
Caroline K Søgaard, Siver A Moestue, Morten B Rye, Jana Kim, Anala Nepal, Nina-Beate Liabakk, Siri Bachke, Tone F Bathen, Marit Otterlei, Deborah K Hill
Docetaxel is the chemotherapeutic choice for metastatic hormone-refractory prostate cancer, however, it only marginally improves the survival rate. The purpose of the present study was to examine if a peptide targeting the cellular scaffold protein PCNA could improve docetaxel's efficacy. We found that docetaxel given in combination with a cell penetrating peptide containing the AlkB homolog 2 PCNA interacting motif (APIM-peptide), reduced the prostate volume and limited prostate cancer regrowth in vivo in the immunocompetent transgenic adenocarcinoma model of prostate cancer (TRAMP)...
February 20, 2018: Oncotarget
Luba Sominsky, Christine L Jasoni, Hannah Twigg, Sarah J Spencer
The hypothalamus is a key centre for regulation of vital physiological functions, such as appetite, stress responsiveness and reproduction. Development of the different hypothalamic nuclei and its major neuronal populations begins prenatally in both altricial and precocial species, with the fine tuning of neuronal connectivity and attainment of adult function established postnatally, and maintained throughout adult life. The perinatal period is highly susceptible to environmental insults that, by disrupting critical developmental processes, can set the tone for the establishment of adult functionality...
March 15, 2018: Journal of Endocrinology
Riikka Homanen
The multimillion-euro fertility industry increasingly tailors its treatments to infertile people who are willing to travel across national borders for treatments inaccessible at home, especially reproductive tissue donor treatments. Finland is the Nordic destination for access to donor eggs, particularly for Swedes and Norwegians hoping for a donor match that will achieve a child of phenotypically plausible biological descent. Finns are seen as Nordic kin, and the inheritability of "Nordicness" is reinforced at clinics...
March 7, 2018: Social Science & Medicine
Caitlin A Wotton, Elizabeth F Quon, Ashley C Palmer, Lane K Bekar
Both serotonin (5HT) and stress exert changes in cortical inhibitory tone to shape activity of cortical networks. As astrocytes are also known to affect inhibition through established purinergic pathways, we assessed the role of GABA and purinergic pathways in rapid corticosterone (CORT) and 5HT effects on cortical inhibition. We used a paired-pulse paradigm (P1 & P2) in acutely isolated mouse brain slices to evaluate changes in cortical evoked inhibition. Normally, 5HT decreases amplitude of the first pulse P1, while increasing the amplitude of P2 (increase frequency transmission)...
March 15, 2018: Journal of Neuroendocrinology
Junling Long, H S Ku, Xian Wu, Xiu Gu, Russell E Lake, Mustafa Bal, Yu-Xi Liu, David P Pappas
Quantum networks will enable extraordinary capabilities for communicating and processing quantum information. These networks require a reliable means of storage, retrieval, and manipulation of quantum states at the network nodes. A node receives one or more coherent inputs and sends a conditional output to the next cascaded node in the network through a quantum channel. Here, we demonstrate this basic functionality by using the quantum interference mechanism of electromagnetically induced transparency in a transmon qubit coupled to a superconducting resonator...
February 23, 2018: Physical Review Letters
Yi Wang, Jian-Ning Zhang, Wei Hu, Ji-Jun Li, Jia-Xuan Zhou, Jian-Ping Zhang, Guo-Feng Shi, Ping He, Zai-Wang Li, Ming Li
Introduction: Subjective chronic tinnitus is a common medical syndrome with a high frequency of cognitive impairment; however, the characteristics of cognitive impairment in chronic tinnitus are poorly understood. Investigating the scope of cognitive impairment across the severity spectrum of tinnitus patients may shed light on the issue. Methods: A consecutive series of 207 subjective chronic tinnitus patients were classified into mild tinnitus group ( n  = 95) and severe tinnitus group ( n  = 112) by THI score (the cutoff THI scores were 37/38)...
March 2018: Brain and Behavior
JongEun Yim, Jerrold Petrofsky, Haneul Lee
Ankle and foot injuries are common among athletes and physically active individuals. The most common residual disability, ankle sprain, is characterized by instability along with postural sway. If the supporting structures around a joint become lax, posture stability and balance are also affected. Previous studies have examined muscle stiffness and elasticity and postural sway separately; however, the relationship between these factors is yet unknown. It is well known that the levels of sex hormones, especially estrogen, change in women over the phase of the menstrual cycle...
2018: Tohoku Journal of Experimental Medicine
Bjørn Arne Rukke, Ranjeni Sivasubramaniam, Tone Birkemoe, Anders Aak
Sublethal heat stress may weaken bed bug infestations to potentially ease control. In the present study, experimental populations exposed to 34, 36 or 38°C for 2 or 3 weeks suffered significant mortality during exposure. Among survivors, egg production, egg hatching, moulting success and offspring proliferation decreased significantly in the subsequent 7 week recovery period at 22°C. The overall population success was negatively impacted by increasing temperature and duration of the stress. Such heat stress is inadequate as a single tool for eradication, but may be included as a low cost part of an integrated pest management protocol...
2018: PloS One
Kazunari Ikeda
If a representation of an auditory attention channel was present in the auditory cortices but not in the subcortical structures, it would be predicted that the early event-related brain potential (ERP) would disagree with the late ERP in selective attention effects. To examine this idea, the present study recorded the auditory brain stem response (ABR) as an early ERP and also the negative difference, the processing negativity and the irrelevant positive difference waves as late ERPs during dichotic listening...
March 13, 2018: Neuroreport
Katsuhito Matsuki, Daiki Kato, Masashi Takemoto, Yoshiaki Suzuki, Hisao Yamamura, Susumu Ohya, Hiroshi Takeshima, Yuji Imaizumi
Physiological functions of type 3 ryanodine receptors (RyR3) in smooth muscle (SM) tissues are not well understood, in spite of their wide expression. However, the short isoform of RyR3 is known to be a dominant negative variant (DN-RyR3), which may negatively regulate functions of both RyR2 and full length (FL)-RyR3 by forming hetero-tetramers. Here, functional roles of RyR3 in the regulation of Ca2+ signaling in mesenteric artery SM cells (MASMCs) were examined using RyR3 homozygous knockout mice (RyR3-/- )...
March 14, 2018: American Journal of Physiology. Cell Physiology
Linde Woudstra, Lynda J M Juffermans, Albert C van Rossum, Hans W M Niessen, Paul A J Krijnen
Infectious myocarditis is the result of an immune response to a microbial infection of the heart. The blood vessels of the heart, both the intramyocardial microvasculature and the large epicardial coronary arteries, play an important role in the pathogenesis of infectious myocarditis. First of all, in addition to cardiomyocytes, endothelial cells of the cardiac (micro)vasculature are direct targets for infection. Moreover, through the expression of adhesion molecules and antigen presenting Major Histocompatibility Complex molecules, the blood vessels assist in shaping the cellular immune response in infectious myocarditis...
March 14, 2018: Heart Failure Reviews
Zhizhou Deng, Bharath Chandrasekaran, Suiping Wang, Patrick C M Wong
In second language acquisition studies, the high talker variability training approach has been frequently used to train participants to learn new speech patterns. However, the neuroplasticity induced by training is poorly understood. In the present study, native English speakers were trained on non-native pitch patterns (linguistic tones from Mandarin Chinese) in multi-talker (N = 16) or single-talker (N = 16) training conditions. We focused on two aspects of multi-talker training, voice processing and lexical phonology accessing, and used functional magnetic resonance imaging (fMRI) to measure brain activation and functional connectivity (FC) of two regions of interest in a tone identification task conducted before and after training, namely the anterior part of the right superior temporal gyrus (aRSTG) and the posterior left superior temporal gyrus (pLSTG)...
March 10, 2018: Neurobiology of Learning and Memory
Wei Tang, Xi-Jian Wang, Jia-Qi Li, Chang Liu, Qi Dong, Yun Nan
Music and language are two intricately linked communication modalities in humans. A deficit in music pitch processing as manifested in the condition of congenital amusia has been related to difficulties in lexical tone processing for both tone and non-tonal languages. However, it is still unclear whether amusia also affects the perception of vowel phonemes in quiet and in noise. In this study, we examined vowel-plus-tone identification in quiet and noise conditions among Mandarin-speaking amusics with and without speech tone difficulties (tone agnosics and pure amusics, respectively), and IQ- and age-matched controls...
March 6, 2018: Hearing Research
R Draganova, A Schollbach, F Schleger, J Braendle, S Brucker, H Abele, K O Kagan, D Wallwiener, A Fritsche, H Eswaran, H Preissl
The human fetal auditory system is functional around the 25th week of gestational age when the thalamocortical connections are established. Fetal magnetoencephalography (fMEG) provides evidence for fetal auditory brain responses to pure tones and syllables. Fifty-five pregnant women between 31 and 40 weeks of gestation were included in the study. Fetal MEG was recorded during the presentation of an amplitude modulated tone (AM) with a carrier frequency of 500 Hz to the maternal abdomen modulated by low modulation rates (MRs) - 2/s and 4/s, middle MR - 8/s and high MRs - 27/s, 42/s, 78/s and 91/s...
March 6, 2018: Hearing Research
Julia Wendt, Alfons O Hamm, Christiane A Pané-Farré, Julian F Thayer, Alexander Gerlach, Andrew T Gloster, Thomas Lang, Sylvia Helbig-Lang, Paul Pauli, Thomas Fydrich, Andreas Ströhle, Tilo Kircher, Volker Arolt, Jürgen Deckert, Hans-Ulrich Wittchen, Jan Richter
No abstract text is available yet for this article.
March 13, 2018: Psychotherapy and Psychosomatics
Robert P Dickson, John R Erb-Downward, Nicole R Falkowski, Ellen M Hunter, Shanna L Ashley, Gary B Huffnagle
RATIONALE: The "gut-lung axis" is commonly invoked to explain the microbiome's influence on lung inflammation. Yet the lungs harbor their own microbiome which is altered in respiratory disease. The relative influence of gut and lung bacteria on lung inflammation is unknown. OBJECTIVES: To determine if baseline lung immune tone reflects local (lung-lung) or remote (gut-lung) microbe-host interactions. METHODS: We compared lung, tongue, and cecal bacteria in forty healthy, genetically-identical 10-week old mice using 16S rRNA gene quantification and sequencing...
March 13, 2018: American Journal of Respiratory and Critical Care Medicine
Arnhild Bakken, Stephen Targett, Tone Bere, Cristiano Eirale, Abdulaziz Farooq, Andrea B Mosler, Johannes L Tol, Rod Whiteley, Karim M Khan, Roald Bahr
BACKGROUND: Lower extremity muscle strength tests are commonly used to screen for injury risk in professional soccer. However, there is limited evidence on the ability of such tests in predicting future injuries. PURPOSE: To examine the association between hip and thigh muscle strength and the risk of lower extremity injuries in professional male soccer players. STUDY DESIGN: Case-control study; Level of evidence, 3. METHODS: Professional male soccer players from 14 teams in Qatar underwent a comprehensive strength assessment at the beginning of the 2013/2014 and 2014/2015 seasons...
March 1, 2018: American Journal of Sports Medicine
Vincent G Wettstein, Rudolf Probst
BACKGROUND: Postlingual single-sided deafness (SSD) is defined as normal hearing in one ear and severely impaired hearing in the other ear. A right ear advantage and dominance of the left hemisphere are well established findings in individuals with normal hearing and speech processing. Therefore, it seems plausible that a right ear advantage would exist in patients with SSD. METHODS: The audiometric database was searched to identify patients with SSD. Results from the German monosyllabic Freiburg word test and four-syllabic number test in quiet were evaluated...
April 2018: Otology & Neurotology
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