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groups:knipper:home [11.01.2019 09:10] Kerstin Just [Molecular Neurobiology] |
groups:knipper:home [06.12.2023 12:59] (current) Kerstin Just [Team] |
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| - | ====== Molecular Physiology of Hearing ====== | + | ====== Hearing, Cognition and Tinnitus ====== |
| + | \\ | ||
| + | |||
| + | Research on causes of congenital and acquired deafness and its relation to cognition. | ||
| + | Research on tinnitus, hyperacusis, age-induced and noise-induced hearing loss and neuropathies in animal models and patients. | ||
| + | |||
| + | |||
| + | __**Senior Investigator: Prof. Dr. rer. nat. Marlies Knipper**__\\ | ||
| + | {{:groups:knipper:m-knipper.jpeg?200|}}\\ | ||
| - | **Prof. Dr. Marlies Knipper**\\ | ||
| - | {{:groups:knipper:mk14072014.jpg?170x220|}}\\ | ||
| - | {{page>[:address]}} | ||
| Phone: +49 (0)7071 - 29 88244\\ | Phone: +49 (0)7071 - 29 88244\\ | ||
| Fax: +49 (0)7071 - 29 4950\\ | Fax: +49 (0)7071 - 29 4950\\ | ||
| - | <marlies.knipper@uni-tuebingen.de> | + | <marlies.knipper@uni-tuebingen.de>\\ |
| + | |||
| + | **[[curriculum_vitae:home|Curriculum vitae]]** | ||
| + | |||
| + | |||
| + | __**Prof. Dr. rer. nat. Lukas Rüttiger**__\\ | ||
| + | {{:groups:knipper:lukasr.jpg?200|}} | ||
| + | |||
| + | Phone: +49 (0)7071 - 29 88260\\ | ||
| + | Fax: +49 (0)7071 - 29 4950\\ | ||
| + | <lukas.ruettiger@uni-tuebingen.de>\\ | ||
| + | |||
| + | **[[curriculum_vitae:home|Curriculum vitae]]** | ||
| + | |||
| + | {{page>[:address]}} | ||
| + | |||
| + | |||
| + | |||
| + | |||
| + | ===== Hearing and Cognition ===== | ||
| - | ===== Research Interest ===== | ||
| <style justify> | <style justify> | ||
| - | Our primary research focuses on the critical period of inner ear development prior to cochlear functioning and its influences on mature auditory processing in the healthy and diseased organ. Of particular interest are differential central auditory responsiveness to auditory deprivation post acoustic trauma. | + | Fast auditory processing may be an essential driving force for recruitment of activity-dependent auditory-specific BDNF expression, and central memory-dependent adjustment to auditory deprivation. Age-dependent cochlear synaptopathy, if centrally compensated through enhanced input/output function (neural gain), can prevent age-dependent temporal discrimination loss. Finally we newly observed that latency of auditory nerve processing, recruitment of hippocampal LTP, and BDNF transcription, are key factors for age-dependent auditory processing deficits, more than cochlear synaptopathy or aging per se. |
| - | We specialized in this context on defining functional and molecular biomarkers for age-dependent hearing loss, tinnitus and hyperacusis using ABR responses, electrophysiological approaches, field potential measurements, behavior animal models, transgenic mice techniques. | + | |
| + | **Our goal & our challenge**\\ | ||
| + | Future research aims to elucidate the relation between fibers with high spontaneous firing rate (high-SR) involved in fast auditory processing and memory-linked adjustment processes in the context of the high risk of hearing loss for dementia. | ||
| + | |||
| + | **Our methods** | ||
| + | Audiometry, fine structure audiometry, hippocampal LTP/LTD measurement, animal behavioural studies, ASSR, EEG. | ||
| + | |||
| + | [[https://pubmed.ncbi.nlm.nih.gov/33036168/|Marchetta et al., 2020, Brain. Sci.]]\\ | ||
| + | {{:groups:knipper:cognition3.jpg|}}\\ | ||
| + | |||
| \\ | \\ | ||
| </style> | </style> | ||
| - | {{:labs:knipper:p7_ratte_nf200_prestin_gallery_organ_of_corti.jpg|}}{{:labs:knipper:ohc_ratte_prestin_synaptophysin_gallery.jpg|}} | ||
| - | {{:labs:knipper:sk2_meerschwein_gakkery_1.jpg|}} | ||
| - | ===== Research Scientists ===== | ||
| - | ==== Molecular Neurobiology ==== | + | ===== Stress and Hearing ===== |
| + | <style justify> | ||
| + | Systemic glucocorticosteroids have been the mainstay of treatment of various hearing disorders for over 30 years. Numerous studies described glucocorticosteroids and stressors to protect the auditory organ, particularly outer hair cells. We focus on the role of stressors for inner hair cell synapses, pre-and postsynaptic integrity of IHCs synapse and auditory nerve fibers and its relation to central memory-linked auditory processing and adjustment processes. | ||
| - | {{:groups:knipper:kj.jpg?85x110|}}\\ | + | **Our goals** |
| - | [[kerstin.just@klinikum.uni-tuebingen.de|Kerstin Just, administration]]\\ | + | To understand how stressors influence the auditory processing in the periphery of the cochlea and thereby central auditory processing and how changes in stress-related central plasticity feed-back to the auditory nerve processing. |
| - | Phone: +49 (0) 7071 - 29 88242 | + | |
| - | {{:groups:knipper:ws.jpg?85x110|}}\\ | + | **Our methods** |
| - | [[wibke.singer@gmx.de|Dr. Wibke Singer, research scientist]]\\ | + | Generation and analysis of e.g. MR/GR<sup>CaMKIIαCreERT2</sup> KO mice, ABR, fine structure analysis of ABR, temporal auditory processing as ASSR, LTP/LTD in combination with pharmaceutical therapeutic intervention. |
| - | Phone: +49 (0)7071 - 29 88246 | + | |
| - | {{:groups:knipper:hsg.jpg?85x110|}}\\ | + | {{:groups:knipper:stress31.jpg|}} |
| - | [[geisler_hs@yahoo.de|Hyun-Soon Geisler, Technician]]\\ | + | |
| - | Phone: +49 (0)7071 - 29 88268 | + | |
| - | {{:groups:knipper:kr1.jpg?85x110|}}\\ | ||
| - | Karin Rohbock, Technician\\ | ||
| - | Phone: +49 (0)7071 - 29 88245 | ||
| - | {{:groups:knipper:pa.jpg?85x110|}}\\ | + | \\ |
| - | [[armbruster.philipp@googlemail.com|Philipp Armbruster, PhD student]]\\ | + | </style> |
| - | Phone: +49 (0)7071 - 29 88240 | + | |
| - | {{:groups:knipper:kk_-new.jpg?85x110|}}\\ | ||
| - | [[kasini@t-online.de|Kamyar Kasini, PhD student]]\\ | ||
| - | Phone: +49 (0)7071 - 29 88240 | ||
| - | {{:groups:knipper:mw.jpg?85x110|}}\\ | ||
| - | [[moritz.walter@yahoo.de|Moritz Walter, PhD student]]\\ | ||
| - | Phone: +49 (0)7071 - 29 88240 | ||
| - | {{:groups:knipper:bild_benedikt.jpg?100|}}\\ | ||
| - | [[benedikt.hofmeier@uni-tuebingen.de|Benedikt Hofmeier]]\\ | ||
| - | Phone: +49 (0)7071 - 29 88240 | ||
| - | {{:groups:knipper:bewerbungsbild_philipp_eckert.jpg?100|}}\\ | ||
| - | [[Philipp.eckert@uni-tuebingen.de|Philipp Eckert]]\\ | ||
| - | Phone: +49 (0)7071 - 29 88240 | ||
| - | ==== Electrophysiology ==== | ||
| - | {{:groups:knipper:lr.jpg?85x110|}}\\ | ||
| - | [[lukas.ruettiger@uni-tuebingen.de|PD Dr. Lukas Rüttiger (Head of Lab)]]\\ | ||
| - | Phone: +49 (0)7071 - 29 88260 | ||
| - | {{:groups:knipper:sw.jpg?85x110|}}\\ | ||
| - | [[steffen.wolter@uni-tuebingen.de|Steffen Wolter, PhD student]]\\ | ||
| - | Phone: +49 (0)7071 - 29 88240 | ||
| - | ===== Publications ===== | + | ===== Hearing and Age ===== |
| - | === 2018 === | + | |
| - | {{pubmed>long:30599268}} | + | <style justify> |
| - | {{pubmed>long:30202725}} | + | Age-related hearing loss (ARHL), or presbycusis, is one of the most common conditions affecting older and elderly adults. While age-related decoupling of auditory nerve fibers from hair cells (cochlear synaptopathy) has been linked to temporal processing deficits and impaired speech recognition performance, the link between both is elusive. |
| - | {{pubmed>long:30275816}} | + | |
| - | {{pubmed>long:30319348}} | + | **Our goals** |
| - | {{pubmed>long:30127717}} | + | We aim to improve identification and diagnostic of different forms of age-dependent speech discrimination deficits and develop therapeutic strategies to overcome these. |
| - | {{pubmed>long:30136676}} | + | |
| - | {{pubmed>long:29401591}} | + | **Our methods** |
| - | {{pubmed>long:29940568}} | + | Pharmaceutical approaches and investigations of non-invasive stimulation devices. |
| - | === 2017 === | + | |
| - | {{pubmed>long:27808407}} | + | [[https://pubmed.ncbi.nlm.nih.gov/33841098/|Eckert et al., 2021, Front Mol Neurosci.]]\\ |
| - | {{pubmed>long:28874607}} | + | {{:groups:knipper:age-1.jpg|}} |
| - | {{pubmed>long:28387217}} | + | |
| - | {{pubmed>long:28231578}} | + | \\ |
| - | === 2016 === | + | </style> |
| - | {{pubmed>long:27808407}} | + | |
| - | {{pubmed>long:27594824}} | + | ===== Hearing, Tinnitus and Hyperacusis ===== |
| - | {{pubmed>long:27318145}} | + | |
| - | {{pubmed>long:27259932}} | + | <style justify> |
| - | {{pubmed>long:27208792}} | + | To each person their tinnitus, none is the same, but distress is a common denominator. Depending on the intensity, this constant ringing in one or two ears can be a personal tragedy with a highly negative impact on quality of life, while others come to terms with it. Tinnitus, a very common condition, affects approximately one-sixth of the general population. A curative therapy for tinnitus currently does not yet exist, and its progress is mostly impeded by the existing controversial views about the neural correlate of tinnitus that, depending on predictions, either would require the suppression or the enhancement of brain activity. We hypothesized that the variability of tinnitus, with or without the co-occurrence of hyperacusis (T- or T+H), contributed to this dilemma. |
| - | {{pubmed>long:26476841}} | + | |
| - | {{pubmed>long:26452751}} | + | **Our goals** |
| - | === 2015 === | + | We aim to identification objective tools and functional biomarkers that enable to distinguish tinnitus with and without hyperacusis. Having these new tools in hand our group's aims, in cooperative work that include clinical studies and multi-centric studies with harmonized methodology, to validate existing curative therapies and develop new ones. |
| - | + | ||
| - | <html><div class="pubmedempty"> | + | **Our Methods** |
| - | <font color="A51E37"> | + | Characteristic brain activities or patterns for both T- and T+H-groups, extracted through a combination of psychometric tests, fine-structured audiometry, and functional imaging (evoked and resting state BOLD fMRI). |
| - | Knipper M, Zimmermann U | + | |
| - | <br/> | + | [[https://pubmed.ncbi.nlm.nih.gov/34047478/|Hofmeier et al., 2021, Clin. Transl. Med.]]\\ |
| - | "Über Hörstörungen, Stress und Emotionen. Wie unser Ohr Gehirnfunktionen beeinflusst."<br/> | + | {{:groups:knipper:tinnitushyperacusis.jpg|}} |
| - | <i> Nova Acta Leopoldina NF,</i> 122. 410: 63-81 (2015) | + | \\ |
| - | </font></div></html> | + | </style> |
| - | {{pubmed>long:26242732}} | + | |
| - | {{pubmed>long:26051286}} | + | |
| - | {{pubmed>long:25939269}} | + | |
| - | {{pubmed>long:25871611}} | + | ===== cGMP signalling and Pharmacological treatments ===== |
| - | {{pubmed>long:25843689}} | + | |
| - | {{pubmed>long:25759012}} | + | <style justify> |
| - | === 2014 === | + | Soluble Guanylyl Cyclase (sGC) is critical for the integrity of the first synapse in the ascending auditory pathway, the inner hair cell (IHC) synapses. GC-A promotes hair cell stability under stressful conditions such as acoustic trauma or ageing. GC-B plays a role in the development of efferent feedback and gain control (see for review [[https://pubmed.ncbi.nlm.nih.gov/33768519/|Marchetta P et al. 2021]]). |
| - | {{pubmed>long:25354791}} | + | |
| - | {{pubmed>long:25196462}} | + | **Our goals** |
| - | {{pubmed>long:24403143}} | + | Regarding the crucial role hearing has for language development, speech discrimination, and cognitive brain functions, a most challenging topic of future work is to examine to what extend a differential pharmaceutical targeting of GC may offer therapeutic promise for the restoration of hearing and related cognitive and age-dependent deficits. |
| - | {{pubmed>long:25064058}} | + | |
| - | {{pubmed>long:25409445}} | + | **Our Methods** |
| - | === 2013 === | + | Pharmacological test of drugs that target specific GC-subtypes or cGMP signalling cascades. |
| - | {{pubmed>long:23542924}} | + | |
| - | {{pubmed>long:23719817}} | + | [[https://pubmed.ncbi.nlm.nih.gov/33768519/|Marchetta P et al. 2021, Br. J. Pharmacol.]]\\ |
| - | {{pubmed>long:24012852}} | + | {{:groups:knipper:cgmp.jpg|}} |
| - | {{pubmed>long:23918390}} | + | |
| - | {{pubmed>long:24012803}} | + | |
| - | {{pubmed>long:23650376}} | + | |
| - | {{pubmed>long:23516401}} | + | \\ |
| - | {{pubmed>long:23688926}} | + | </style> |
| - | {{pubmed>long:23709037}} | + | |
| - | {{pubmed>long:23154938}} | + | ====== Team ====== |
| - | {{pubmed>long:23713031}} | + | |
| - | {{pubmed>long:23950737}} | + | __**Senior Principal Investigators**__ |
| - | === 2012 === | + | <style center> |
| - | {{pubmed>long:23029208}} | + | |Prof. Dr. rer. nat. Marlies Knipper | Prof. Dr. rer. nat Lukas Rüttiger | Dr. rer. nat. Wibke Singer | |
| - | {{pubmed>long:22767231}} | + | | {{:groups:knipper:m-knipper.jpeg?200|}} | {{:groups:knipper:lukasr.jpg?200x200|}} | {{:groups:knipper:ws.jpg?200x200|}}| |
| - | {{pubmed>long:22270721}} | + | | <marlies.knipper@uni-tuebingen.de> | <lukas.ruettiger@uni-tuebingen.de> | <wibke.singer@uni-tuebingen.de> | |
| - | {{pubmed>long:22544735}} | + | | +49 (0)7071 - 29 88244 | +49 (0)7071 - 29 88260 | +49 (0)7071 - 29 88246| |
| - | <html><div class="pubmedempty"> | + | </style> |
| - | <font color="A51E37"> | + | \\ |
| - | Knipper M, Müller M, Zimmermann U | + | __**Research Scientists**__ |
| - | <br/> | + | <style center> |
| - | "Molecular Mechanism of Tinnitus."<br/> | + | | Dr. Csaba Harasztosi | Dr. Stefan Fink | |
| - | <i>In: Springer Handbook of Audidory Research: TINNITUS (Eggermont JJ, Zeng F-G, Popper AN, Fay RR, eds). Springer New York Heidelberg, Dordrecht London,</i> pp. 59-82. (2012) | + | | {{:groups:knipper:csaba_harasztosi.jpg?150x150|}} | {{:groups:knipper:210522_sfink.jpg?150x150|}} | |
| - | </font></div></html> | + | | <csaba.harasztosi@uni-tuebingen.de> | <stefan.fink@uni-tuebingen.de> | |
| - | {{pubmed>long:22691916}} | + | \\ |
| - | {{pubmed>long:22350511}} | + | </style> |
| - | {{pubmed>long:22678062}} | + | |
| - | {{pubmed>long:22723694}} | + | __**PhD Students**__ |
| - | {{pubmed>long:22613993}} | + | <style center> |
| - | === 2011 === | + | | Dila Calis | Morgan Hess | Konrad Dapper | |
| - | {{pubmed>long:21850450}} | + | | {{:groups:knipper:dila.png?150x150|}} | {{:groups:knipper:morgan.jpg?150x150|}} | {{:groups:knipper:konrad.jpg?150x150|}} | |
| - | {{pubmed>long:21572434}} | + | | <dila.calis@uni-tuebingen.de> | <morgan.hess@uni-tuebingen.de> | <konrad.dapper@uni-tuebingen.de> - | |
| - | {{pubmed>long:21526224}} | + | </style> |
| - | === 2010 === | + | |
| - | {{pubmed>long:20363327}} | + | \\ |
| - | {{pubmed>long:20010821}} | + | |
| - | {{pubmed>long:19651198}} | + | |
| - | {{pubmed>long:21076990}} | + | __**Current Med Doctoral Students**__ |
| - | {{pubmed>long:21088933}} | + | <style center> |
| - | {{pubmed>long:19917569}} | + | | Jakob Schirmer | Antonia-Marlene Kohl | |
| - | === 2009 === | + | |
| - | {{pubmed>long:19417007}} | + | </style> |
| - | {{pubmed>long:19237422}} | + | |
| - | <html><div class="pubmedempty"> | + | \\ |
| - | <font color="A51E37"> | + | |
| - | Knipper, M<br/> | + | |
| - | <a href="http://edition.pagesuite-professional.co.uk/Launch.aspx?referral=other&pnum=244&refresh=Qr709J1m05dS&EID=0000cd78-147b-4287-94a6-5a3b8dd7f462&skip=true">"Hearing loss - the key healthcare issue in the communication sector...[external content]"</a></br> | + | __**Technical**__ |
| - | <i>Public Service Review: Science and Technology - Issue 5</i> (2009) | + | <style center> |
| - | </font></div></html> | + | | Karin Rohbock | Hyn-Soon Geisler | Nadine Heckmann | |
| - | {{pubmed>long:19755851}} | + | | {{:groups:knipper:karin.jpg?150x150|}} | {{:groups:knipper:hsg.jpg?150x150|}}| {{:groups:knipper:heckmann_nadine.jpg?150x150|}} | |
| - | {{pubmed>long:19244534}} | + | | +49 (0)7071 - 29 88245 | +49 (0)7071 - 29 88268 | +49 (0)7071 - 29 88268 | |
| - | === 2008 === | + | </style> |
| - | {{pubmed>long:18231803}} | + | |
| - | {{pubmed>long:19087168}} | + | \\ |
| - | {{pubmed>long:18772196}} | + | |
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| - | {{pubmed>long:18650343}} | + | __**Administration**__ |
| - | {{pubmed>long:17846082}} | + | <style center> |
| - | {{pubmed>long:18453751}} | + | |Kerstin Just| |
| - | {{pubmed>long:18524887}} | + | |{{:groups:knipper:kj.jpg?150x150|}}| |
| - | {{pubmed>long:18198284}} | + | |<kerstin.just@klinikum.uni-tuebingen.de>| |
| - | === 2007 === | + | |+49 (0) 7071 - 29 88242| |
| - | {{pubmed>long:17314202}} | + | </style> |
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| - | {{pubmed>long:17828551}} | + | |
| - | {{pubmed>long:17626202}} | + | |
| - | {{pubmed>long:17376979}} | + | ====== Publications ====== |
| - | {{pubmed>long:17943260}} | + | |
| - | {{pubmed>long:17567805}} | + | [[https://pubmed.ncbi.nlm.nih.gov/?term=Marlies+Knipper&sort=date|Marlies Knipper]]\\ |
| - | {{pubmed>long:17670895}} | + | |
| - | {{pubmed>long:16580094}} | + | [[https://pubmed.ncbi.nlm.nih.gov/?term=Lukas+R%C3%BCttiger&sort=date|Lukas Rüttiger]]\\ |
| - | {{pubmed>long:17275194}} | + | |
| - | {{pubmed>long:17520268}} | + | [[https://pubmed.ncbi.nlm.nih.gov/?term=Wibke+Singer&sort=date|Wibke Singer]] |
| - | === 2006 === | + | |
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| - | === 1999 - 1995 === | + | |
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