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https://www.readbyqxmd.com/read/28918463/apoptotic-mechanisms-after-repeated-noise-trauma-in-the-mouse-medial-geniculate-body-and-primary-auditory-cortex
#1
Felix Fröhlich, Arne Ernst, Ira Strübing, Dietmar Basta, Moritz Gröschel
A correlation between noise-induced apoptosis and cell loss has previously been shown after a single noise exposure in the cochlear nucleus, inferior colliculus, medial geniculate body (MGB) and primary auditory cortex (AI). However, repeated noise exposure is the most common situation in humans and a major risk factor for the induction of noise-induced hearing loss (NIHL). The present investigation measured cell death pathways using terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) in the dorsal, medial and ventral MGB (dMGB, mMGB and vMGB) and six layers of the AI (AI-1 to AI-6) in mice (NMRI strain) after a second noise exposure (double-exposure group)...
September 16, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28918053/ush2a-gene-editing-using-the-crispr-system
#2
Carla Fuster-García, Gema García-García, Elisa González-Romero, Teresa Jaijo, María D Sequedo, Carmen Ayuso, Rafael P Vázquez-Manrique, José M Millán, Elena Aller
Usher syndrome (USH) is a rare autosomal recessive disease and the most common inherited form of combined visual and hearing impairment. Up to 13 genes are associated with this disorder, with USH2A being the most prevalent, due partially to the recurrence rate of the c.2299delG mutation. Excluding hearing aids or cochlear implants for hearing impairment, there are no medical solutions available to treat USH patients. The repair of specific mutations by gene editing is, therefore, an interesting strategy that can be explored using the CRISPR/Cas9 system...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28917982/connexin-hemichannels-and-cochlear-function
#3
REVIEW
Vytas K Verselis
Connexins play vital roles in hearing, including promoting cochlear development and sustaining auditory function in the mature cochlea. Mutations in connexins expressed in the cochlear epithelium, Cx26 and Cx30, cause sensorineural deafness and in the case of Cx26, is one of the most common causes of non-syndromic, hereditary deafness. Connexins function as gap junction channels and as hemichannels, which mediate intercellular and transmembrane signaling, respectively. Both channel configurations can play important, but very different roles in the cochlea...
September 13, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28917133/waiting-for-lexical-access-cochlear-implants-or-severely-degraded-input-lead-listeners-to-process-speech-less-incrementally
#4
Bob McMurray, Ashley Farris-Trimble, Hannah Rigler
Spoken language unfolds over time. Consequently, there are brief periods of ambiguity, when incomplete input can match many possible words. Typical listeners solve this problem by immediately activating multiple candidates which compete for recognition. In two experiments using the visual world paradigm, we examined real-time lexical competition in prelingually deaf cochlear implant (CI) users, and normal hearing (NH) adults listening to severely degraded speech. In Experiment 1, adolescent CI users and NH controls matched spoken words to arrays of pictures including pictures of the target word and phonological competitors...
September 13, 2017: Cognition
https://www.readbyqxmd.com/read/28917121/a-formal-description-of-middle-ear-pressure-regulation
#5
William J Doyle
INTRODUCTION: Middle ear (ME) pressure-regulation (MEPR) is a homeostatic mechanism that maintains the ME-environment pressure-gradient (MEEPG) within a range optimized for "normal" hearing. OBJECTIVE: Describe MEPR using equations applicable to passive, inter-compartmental gas-exchange and determine if the predictions of that description include the increasing ME pressure observed under certain conditions and interpreted by some as evidencing gas-production by the ME mucosa...
August 24, 2017: Hearing Research
https://www.readbyqxmd.com/read/28916757/muscle-pathology-from-stochastic-low-level-dux4-expression-in-an-fshd-mouse-model
#6
Darko Bosnakovski, Sunny S K Chan, Olivia O Recht, Lynn M Hartweck, Collin J Gustafson, Laura L Athman, Dawn A Lowe, Michael Kyba
Facioscapulohumeral muscular dystrophy is a slowly progressive but devastating myopathy caused by loss of repression of the transcription factor DUX4; however, DUX4 expression is very low, and protein has not been detected directly in patient biopsies. Efforts to model DUX4 myopathy in mice have foundered either in being too severe, or in lacking muscle phenotypes. Here we show that the endogenous facioscapulohumeral muscular dystrophy-specific DUX4 polyadenylation signal is surprisingly inefficient, and use this finding to develop an facioscapulohumeral muscular dystrophy mouse model with muscle-specific doxycycline-regulated DUX4 expression...
September 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28916193/ferulic-acid-promotes-survival-and-differentiation-of-neural-stem-cells-to-prevent-gentamicin-induced-neuronal-hearing-loss
#7
Lintao Gu, Xinhua Cui, Wei Wei, Jia Yang, Xuezhong Li
Neural stem cells (NSCs) have exhibited promising potential in therapies against neuronal hearing loss. Ferulic acid (FA) has been widely reported to enhance neurogenic differentiation of different stem cells. We investigated the role of FA in promoting NSC transplant therapy to prevent gentamicin-induced neuronal hearing loss. NSCs were isolated from mouse cochlear tissues to establish in vitro culture, which were then treated with FA. The survival and differentiation of NSCs were evaluated. Subsequently, neurite outgrowth and excitability of the in vitro neuronal network were assessed...
September 12, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28915850/-love-me-parents-impact-evaluation-of-a-national-social-and-behavioral-change-communication-campaign-on-maternal-health-outcomes-in-tanzania
#8
Michelle R Kaufman, Jennifer J Harman, Marina Smelyanskaya, Jennifer Orkis, Robert Ainslie
BACKGROUND: Despite marked improvements over the last few decades, maternal mortality in Tanzania remains among the world's highest at 454 maternal deaths per 100,000 live births. Many factors contribute to this disparity, such as a lack of attendance at antenatal care (ANC) services and low rates of delivery at a health facility with a skilled provider. The Wazazi Nipendeni (Love me, parents) social and behavioral change communication campaign was launched in Tanzania in 2012 to improve a range of maternal health outcomes, including individual birth planning, timely ANC attendance, and giving birth in a healthcare facility...
September 15, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28915514/developmental-stuttering-in-children-who-are-hard-of-hearing
#9
Richard M Arenas, Elizabeth A Walker, Jacob J Oleson
Purpose: A number of studies with large sample sizes have reported lower prevalence of stuttering in children with significant hearing loss compared to children without hearing loss. This study used a parent questionnaire to investigate the characteristics of stuttering (e.g., incidence, prevalence, and age of onset) in children who are hard of hearing (CHH). Method: Three hundred three parents of CHH who participated in the Outcomes of Children With Hearing Loss study (Moeller & Tomblin, 2015) were sent questionnaires asking about their child's history of stuttering...
September 15, 2017: Language, Speech, and Hearing Services in Schools
https://www.readbyqxmd.com/read/28915323/hair-cell-transduction-tuning-and-synaptic-transmission-in-the-mammalian-cochlea
#10
Robert Fettiplace
Sound pressure fluctuations striking the ear are conveyed to the cochlea, where they vibrate the basilar membrane on which sit hair cells, the mechanoreceptors of the inner ear. Recordings of hair cell electrical responses have shown that they transduce sound via submicrometer deflections of their hair bundles, which are arrays of interconnected stereocilia containing the mechanoelectrical transducer (MET) channels. MET channels are activated by tension in extracellular tip links bridging adjacent stereocilia, and they can respond within microseconds to nanometer displacements of the bundle, facilitated by multiple processes of Ca2+-dependent adaptation...
September 12, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28915294/estimating-nonorganic-hearing-thresholds-using-binaural-auditory-stimuli
#11
Linda W Norrix, Vivian Rubiano, Thomas Muller
Purpose: Minimum contralateral interference levels (MCILs) are used to estimate true hearing thresholds in individuals with unilateral nonorganic hearing loss. In this study, we determined MCILs and examined the correspondence of MCILs to true hearing thresholds to quantify the accuracy of this procedure. Method: Sixteen adults with normal hearing participated. Subjects were asked to feign a unilateral hearing loss at 1.0, 2.0, and 4.0 kHz. MCILs were determined...
September 14, 2017: American Journal of Audiology
https://www.readbyqxmd.com/read/28915146/engendered-responses-to-and-interventions-for-shame-in-dissociative-disorders-a-survey-and-experimental-investigation
#12
Martin J Dorahy, Julia Gorgas, Lenaire Seager, Warwick Middleton
This study examined shame and responses to it in adult dissociative disorder (DD; n = 24) and comparison psychiatric (n = 14) samples. To investigate how helpful different therapeutic responses are after shame disclosures in therapy, participants heard two vignettes from "mock" patients disclosing a) shame and b) surprise. Participants rated the helpfulness of five potential responses. Interventions covered withdrawing from the affect (withdrawal focused) to feeling it (feeling focused), with other interventions on cognitions (cognitive focused), management strategies (management focused), and previous experiences (history focused)...
September 14, 2017: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/28915135/otolaryngologic-management-of-down-syndrome-patients-what-is-new
#13
Ethan C Bassett, Mary F Musso
PURPOSE OF REVIEW: The management of children with Down syndrome as it pertains to the otolaryngologist continues to evolve. Obstructive sleep apnea (OSA) has dominated the recent literature, but other topics including hearing loss, swallowing, and perioperative considerations are also reported. RECENT FINDINGS: The prevalence of OSA in children with Down syndrome ranges from 57 to 73% in certain cohorts, and, whereas adentonsillectomy can decrease Apnea-Hypopnea Index, up to 80% may have persistent OSA...
September 14, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28914657/hearing-protective-devices-should-be-used-by-recipients-of-repetitive-transcranial-magnetic-stimulation
#14
Robert L Folmer, Sarah M Theodoroff
No abstract text is available yet for this article.
September 11, 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28914375/central-nervous-system-involvement-in-patients-with-granulomatosis-with-polyangiitis-a-single-center-retrospective-study
#15
George E Fragoulis, Sophia Lionaki, Aliki Venetsanopoulou, Panayiotis G Vlachoyiannopoulos, Haralampos M Moutsopoulos, Athanasios G Tzioufas
The aims of this study were to estimate the frequency of central nervous system (CNS) involvement in Greek patients with granulomatosis with polyangiitis (GPA) and describe the related clinical characteristics and long-term outcomes of these patients. Medical charts of all ANCA-associated vasculitis patients were retrospectively reviewed, and GPA patients with CNS involvement were identified. Demographics, serological, and clinical features throughout the disease course were recorded. Comparisons of disease characteristics and long-term outcomes were performed between GPA patients with and without CNS involvement...
September 15, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28914249/visual-pedagogy-and-probiotics-for-hearing-impaired-children-a-pilot-study
#16
Amrita Sujlana, Ruchika Goyal, Parampreet Pannu, Shireen Opal, Palki Bansal
CONTEXT: Oral health care for children with special needs remains largely unmet. It is important that we should focus on preventive strategies for special children to help curtail and prevent oral diseases. AIM: This study aimed to assess the effect of visual pedagogy and probiotic mouth rinse on the periodontal health of hearing impaired children. MATERIALS AND METHODOLOGY: The study cohort consisted of twenty children with hearing impairment (HI) and 20 age-matched healthy children...
October 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28914106/concomitant-diseases-and-their-effect-on-disease-prognosis-in-meniere-s-disease-diabetes-mellitus-identified-as-a-negative-prognostic-factor
#17
Teemu Pieskä, Jouko Kotimäki, Minna Männikkö, Martti Sorri, Elina Hietikko
OBJECTIVE: To study comorbidities and their effect on the disease progression in Meniere's disease (MD). METHODS: Retrospective study on 350 definite MD patients diagnosed according to AAO-HNS 1995 criteria using hospital records and postal questionnaire. RESULTS: The prevalence of migraine, hypothyroidism, allergies, coronary heart disease and autoimmune diseases was more common in MD patients than reported in the general population of Finland...
September 15, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28913841/diversion-at-re-entry-using-criminogenic-cbt-review-and-prototypical-program-development
#18
Kirk Heilbrun, Victoria Pietruszka, Alice Thornewill, Sarah Phillips, Rebecca Schiedel
Society and the criminal justice system prioritize the reduction of reoffending risk as part of any criminal justice intervention. The Sequential Intercept Model identifies five points of interception at which justice-involved individuals can be diverted into a more rehabilitative alternative: (1) law enforcement/emergency services; (2) booking/initial court hearings; (3) jails/courts; (4) re-entry; and (5) community corrections/community support. The present article focuses on diversion as part of Intercept 5 - re-entry planning and specialized services in the community...
September 14, 2017: Behavioral Sciences & the Law
https://www.readbyqxmd.com/read/28912959/research-protocol-for-a-complex-intervention-to-support-hearing-and-vision-function-to-improve-the-lives-of-people-with-dementia
#19
Iracema Leroi, Annie Pye, Christopher J Armitage, Anna Pavlina Charalambous, Fofi Constantinidou, Catherine Helmer, Ines Himmelsbach, Sarah Marié, Jahanara Miah, Suzanne Parsons, Jemma Regan, Chryssoula Thodi, Lucas Wolski, Abebaw Mengistu Yohannes, Piers Dawes
BACKGROUND: Hearing and vision impairments are among the most common and disabling comorbidities in people living with dementia. Intervening to improve sensory function could be a means by which the lives of people living with dementia may be improved. However, very few studies have tried to ameliorate outcomes in dementia by improving sensory function. This paper describes the multi-step development of a new intervention designed to support hearing and vision function in people living with dementia in their own homes...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28911954/erratum-of-hearing-thresholds-at-high-frequency-in-patients-with-cystic-fibrosis-a-systematic-review
#20
Debora T M Caumo, Lúcia B Geyer, Adriane R Teixeira, Sérgio S M Barreto
No abstract text is available yet for this article.
September 2017: Brazilian Journal of Otorhinolaryngology
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