The Physiology Core will provide critical support for assessment of function through four aims.
Aim 1 : Enhance and extend the quality and scope of the individual research projects: The Core will provide and facilitate application of methods and approaches that are not within the expertise of individual investigators but can address hypotheses in their studies. The most common assessment is of auditory brain stem response (ABR) with more in-depth measures, e.g. otoacoustic emissions, efferent reflex, round window noise, cochlear microphonics, cochlear whole-nerve action potentials and endolymphatic potential also available. The Core also develops conditions for and coordinates noise exposures of animals.
Aim 2 : Improve the efficiency and productivity of ongoing research within the user group: The Core will provide centralized, well maintained equipment and facilities and shared resources for various physiological measurements. It will also provide training of students, fellows and staff in the basic methods (for example ABR), avoiding pitfalls and facilitating accurate interpretation of results. Expert staff will perform and/or assist in measurement of complex physiological functions.
Aim 3 : Develop methods and approaches to meet current and anticipated user needs: The Core will work with individual investigators to modify and develop applications and contribute to experimental design to select most appropriate physiological parameters. The Core will now offer a new screen to test basic vestibular function developed by Dr. King (consultant) to meet needs of our user base.
Aim 4 : Provide education, develop interactions and new collaborations: The Core will continue to train students, fellows and staff in routine procedures and facilitate adoption of new ones. Meetings with faculty, students and staff provide a forum for education and information on novel and advanced methodologies as do presentations at the regularly scheduled larger group meetings of Core A (Scientific Synergy Core). The Physiology Core also aids in the interpretation and the preparation of results for publications. Together with the Cell and Molecular Biology Core (Core C), the Physiology Core provides an essential link of genetic, molecular and biochemical data to structure and function.
The purpose of this grant is to enhance and extend the research of multiple investigators towards increasing the understanding of disorders of hearing, balance, taste and smell and developing the ability to prevent and treat these disorders. It will also provide mechanisms to encourage and increase collaborations among its research base, bring new researchers into the field as well as educate the user base on new methods and approaches.
|Heeringa, Amarins N; Wu, Calvin; Shore, Susan E (2018) Multisensory Integration Enhances Temporal Coding in Ventral Cochlear Nucleus Bushy Cells. J Neurosci 38:2832-2843|
|Schvartz-Leyzac, Kara C; Pfingst, Bryan E (2018) Assessing the Relationship Between the Electrically Evoked Compound Action Potential and Speech Recognition Abilities in Bilateral Cochlear Implant Recipients. Ear Hear 39:344-358|
|Altschuler, Richard A; Halsey, Karin; Kanicki, Ariane et al. (2018) Small Arms Fire-like noise: Effects on Hearing Loss, Gap Detection and the Influence of Preventive Treatment. Neuroscience :|
|Devare, Jenna; Gubbels, Samuel; Raphael, Yehoash (2018) Outlook and future of inner ear therapy. Hear Res 368:127-135|
|Avenarius, Matthew R; Jung, Jae-Yun; Askew, Charles et al. (2018) Grxcr2 is required for stereocilia morphogenesis in the cochlea. PLoS One 13:e0201713|
|Carlson, Krystin; Schacht, Jochen; Neitzel, Richard L (2018) Assessing ototoxicity due to chronic lead and cadmium intake with and without noise exposure in the mature mouse. J Toxicol Environ Health A 81:1041-1057|
|Schaefer, Stacy A; Higashi, Atsuko Y; Loomis, Benjamin et al. (2018) From Otic Induction to Hair Cell Production: Pax2EGFP Cell Line Illuminates Key Stages of Development in Mouse Inner Ear Organoid Model. Stem Cells Dev 27:237-251|
|Heeringa, Amarins N; Wu, Calvin; Chung, Christopher et al. (2018) Glutamatergic Projections to the Cochlear Nucleus are Redistributed in Tinnitus. Neuroscience 391:91-103|
|Altschuler, R A; Kanicki, A; Martin, C et al. (2018) Rapamycin but not acarbose decreases age-related loss of outer hair cells in the mouse Cochlea. Hear Res 370:11-15|
|Yao, Hui; Hill, Sophie F; Skidmore, Jennifer M et al. (2018) CHD7 represses the retinoic acid synthesis enzyme ALDH1A3 during inner ear development. JCI Insight 3:|
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