Name: dissection of adult mouse utricle and adenovirus-mediated supporting-cell infection
Uploaded: 2012-03-28T12:00:00
Description: Watch this Scientific Journal Video about Dissection of Adult Mouse Utricle and Adenovirus-mediated Supporting-cell Infection at JoVE.com

Questo lavoro è stato sostenuto dalla Divisione di Ricerca intramurale presso il National Institute on Deafness e altri disturbi della comunicazione. Ulteriore supporto è stato fornito da dell&#39;NIDCD 5R01 DC007613.

1. Otricolo Dissection e Cultura <ol><li> Eutanasia di un adulto (4 settimane di età) del mouse utilizzando un protocollo approvato e decapitare. </li><li> Snip il canale uditivo esterno su entrambi i lati della testa e tirare la pelle in avanti verso il naso. Dividono in due la testa da dietro in avanti e rimuovere il cervello da entrambi i lati per rivelare il labirinto osseo. </li><li> Tagliare il cranio dalla coclea ossea e trasferire il labirinto osseo (compresa la bolla) ad una cappa coltura tissutale dotato di...

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W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Hair+cell+regeneration+after+acoustic+trauma+in+adult+Coturnix+quail.">Hair cell regeneration after acoustic trauma in adult Coturnix quail.</a> Science. 240, 1774-176 (1988).</li><li>Corwin, J. T., Cotanche, D. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Regeneration+of+sensory+hair+cells+after+acoustic+trauma.">Regeneration of sensory hair cells after acoustic trauma.</a> Science. 240, 1772-174 (1988).</li><li>Shang, J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Supporting+cell+division+is+not+required+for+regeneration+of+auditory+hair+cells+after+ototoxic+injury+in+vitro.">Supporting cell division is not required for regeneration of auditory hair cells after ototoxic injury in vitro.</a> J. Assoc. Res. Otolaryngol. 11, 203-222 (2010).</li><li>Stone, J. S., Cotanche, D. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Hair+cell+regeneration+in+the+avian+auditory+epithelium.">Hair cell regeneration in the avian auditory epithelium.</a> Int. J. Dev. Biol. 51, 6-7 (2007).</li><li>Lahne, M., Gale, J. E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Damage-induced+activation+of+ERK1/2+in+cochlear+supporting+cells+is+a+hair+cell+death-promoting+signal+that+depends+on+extracellular+ATP+and+calcium.">Damage-induced activation of ERK1/2 in cochlear supporting cells is a hair cell death-promoting signal that depends on extracellular ATP and calcium.</a> J. Neurosci. 28, 4918-4928 (2008).</li><li>Cunningham, L. L., Cheng, A. G., Rubel, E. W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Caspase+Activation+in+Hair+Cells+of+the+Mouse+Utricle+Exposed+to+Neomycin.">Caspase Activation in Hair Cells of the Mouse Utricle Exposed to Neomycin.</a> Journal of Neuroscience. 22, 8532-8540 (2002).</li><li>Matsui, J. I. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Caspase+inhibitors+promote+vestibular+hair+cell+survival+and+function+after+aminoglycoside+treatment+in+vivo.">Caspase inhibitors promote vestibular hair cell survival and function after aminoglycoside treatment in vivo.</a> J. Neurosci. 23, 6111-6122 (2003).</li><li>Matsui, J. I., Ogilvie, J. M., Warchol, M. E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Inhibition+of+caspases+prevents+ototoxic+and+ongoing+hair+cell+death.">Inhibition of caspases prevents ototoxic and ongoing hair cell death.</a> J. Neurosci. 22, 1218-1227 (2002).</li><li>Nakagawa, T. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+novel+technique+for+inducing+local+inner+ear+damage.">A novel technique for inducing local inner ear damage.</a> Hear Res. 176, 1-2 (2003).</li><li>Forge, A., Li, L. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Apoptotic+death+of+hair+cells+in+mammalian+vestibular+sensory+epithelia.">Apoptotic death of hair cells in mammalian vestibular sensory epithelia.</a> Hear Res. 139, 1-2 (2000).</li><li>Liu, W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Caspase+inhibitors+prevent+cisplatin-induced+apoptosis+of+auditory+sensory+cells.">Caspase inhibitors prevent cisplatin-induced apoptosis of auditory sensory cells.</a> Neuroreport. 9, 2609-2614 (1998).</li><li>Taleb, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Hsp70+inhibits+aminoglycoside-induced+hearing+loss+and+cochlear+hair+cell+death.">Hsp70 inhibits aminoglycoside-induced hearing loss and cochlear hair cell death.</a> Cell Stress Chaperones. 14, 427-437 (2009).</li><li>Taleb, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Hsp70+inhibits+aminoglycoside-induced+hair+cell+death+and+is+necessary+for+the+protective+effect+of+heat+shock.">Hsp70 inhibits aminoglycoside-induced hair cell death and is necessary for the protective effect of heat shock.</a> J. Assoc. Res. Otolaryngol. 9, 277-289 (2008).</li><li>Francis, S. P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Celastrol+Inhibits+Aminoglycoside-Induced+Ototoxicity+via+Heat+Shock+Protein+32+(HSP32).">Celastrol Inhibits Aminoglycoside-Induced Ototoxicity via Heat Shock Protein 32 (HSP32).</a> Cell Death and Disease. , (2011).</li><li>Wang, J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Caspase+inhibitors,+but+not+c-Jun+NH2-terminal+kinase+inhibitor+treatment,+prevent+cisplatin-induced+hearing+loss.">Caspase inhibitors, but not c-Jun NH2-terminal kinase inhibitor treatment, prevent cisplatin-induced hearing loss.</a> Cancer Res. 64, 9217-9224 (2004).</li><li>Bird, J. E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Supporting+cells+eliminate+dying+sensory+hair+cells+to+maintain+epithelial+integrity+in+the+avian+inner+ear.">Supporting cells eliminate dying sensory hair cells to maintain epithelial integrity in the avian inner ear.</a> J. Neurosci. 30, 12545-12556 (2010).</li><li>Sato, E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Expression+of+fractalkine+receptor+CX3CR1+on+cochlear+macrophages+influences+survival+of+hair+cells+following+ototoxic+injury.">Expression of fractalkine receptor CX3CR1 on cochlear macrophages influences survival of hair cells following ototoxic injury.</a> J. Assoc. Res. Otolaryngol. 11, 223-234 (2010).</li></ol>

Cellule sensoriali sono suscettibili di morte causata da una varietà di stress, compreso l&#39;invecchiamento, trauma rumore, e l&#39;esposizione a farmaci ototossici, compresi gli aminoglicosidi e l&#39;agente antineoplastico cisplatino. Nei risultati di cellule di mammiferi di morte per capelli in perdita permanente dell&#39;udito e / o disturbi dell&#39;equilibrio. In sistemi modello in vitro sono strumenti fondamentali per gli studi volti a determinare i meccanismi cellulari e molecolari alla base...

A correction was made to <a href="http://www.jove.com/video/3734">Dissection of Adult Mouse Utricle and Adenovirus-mediated Supporting-cell Infection</a>. There was an error with a figure, the authors middle names were omitted, and the acknowledgements were updated.

Erratum: Dissection of Adult Mouse Utricle and Adenovirus-mediated Supporting-cell Infection

<table border="1"&gt;<tbody&gt;<tr&gt;<td<strong&gt; Reagente</strong</td&gt;<td<strong&gt; Azienda</strong</td&gt;<td<strong&gt; Numero di catalogo</strong</td&gt;</tr&gt;<tr&gt;<td&gt; Medium 199</td&gt;<td&gt; Gibco / Invitrogen</td&gt;<td&gt; 12.350</td&gt;</tr&gt;<tr&gt;<td&gt; DMEM/F12</td&gt;<td&gt; Gibco / Invitrogen</td&gt;<td&gt; 11.320</td&gt;</tr&gt;<tr&gt;<td&gt; Fine pinza (# 55)</td&gt;<td&gt; Strumenti Scienza Belle</td&gt;<td&gt; 11255-20</td&gt;</tr&gt;<tr&gt;<td&gt; Fine pinza (# 5)</td&gt;<td&gt; Strumenti Scienza Belle</td&gt;<td&gt; 11252-30</td&gt;</tr&gt;<tr&gt;<td&gt; Pinza (# 3)</td&gt;<td&gt; Strumenti Scienza Belle</td&gt;<td&gt; 11231-30</td&gt;</tr&gt;<tr&gt;<td&gt; Penicillina G</td&gt;<td&gt; Sigma</td&gt;<td&gt; P3032</td&gt;</tr&gt;<tr&gt;<td&gt; Siero fetale bovino</td&gt;<td&gt; Invitrogen</td&gt;<td&gt; 10082-139</td&gt;</tr&gt;<tr&gt;<td&gt; Nunc mini-vassoio</td&gt;<td&gt; Fisher</td&gt;<td&gt; 12-565-68</td&gt;</tr&gt;<tr&gt;<td&gt; Adenovirus-GFP</td&gt;<td&gt; Vector Biolabs</td&gt;<td&gt; 1060 *</td&gt;</tr&gt;<tr&gt;<td&gt; Cal-Ex decalcificatore</td&gt;<td&gt; Fisher</td&gt;<td&gt; CS510-1D</td&gt;</tr&gt;<tr&gt;<td&gt; Sodio boroidruro</td&gt;<td&gt; Sigma</td&gt;<td&gt; 452.882</td&gt;</tr&gt;<tr&gt;<td&gt; Anti-miosina 7 bis (policlonale)</td&gt;<td&gt; Proteus Biosciences</td&gt;<td&gt; 25-6790</td&gt;</tr&gt;<tr&gt;<td&gt; Anti-miosina 7 bis (monoclonale)</td&gt;<td&gt; Developmental Studies Ibridoma Bank</td&gt;<td&gt; MYO7A 138-1</td&gt;</tr&gt;<tr&gt;<td&gt; Anti-Calmodulina</td&gt;<td&gt; Sigma</td&gt;<td&gt; C 3545</td&gt;</tr&gt;<tr&gt;<td&gt; Anti-calbindin</td&gt;<td&gt; Chemicon</td&gt;<td&gt; AB1778</td&gt;</tr&gt;<tr&gt;<td&gt; Fluoromount G</td&gt;<td&gt; Southern Biotecnologie Associates</td&gt;<td&gt; 0100-01</td&gt;</tr&gt;</tbody&gt;</table&gt;<p class="jove_content"<strong&gt; Tabella 1</strong&gt;. Reagenti e strumenti utilizzati nella cultura utricolo e l&#39;infezione da adenovirus.</p&gt;<p class="jove_content"&gt; * Nota: Ad-GFP è normalmente fornito da Biolabs vettoriali ad un titolo stock di 1x10<sup&gt; 10</sup&gt; PFU / ml. Abbiamo richiesto un&#39;amplificazione personalizzato per fornire il virus stock a un titolo di 1,2 × 10<sup&gt; 11</sup&gt; PFU / ml.</p&gt;

dissection of adult mouse utricle and adenovirus-mediated supporting-cell infection

La perdita dell&#39;udito e disturbi dell&#39;equilibrio sono spesso causati dalla morte delle cellule ciliate mechanosensory, che sono le cellule recettori dell&#39;orecchio interno. Poiché non vi è alcuna linea cellulare che rappresenta in modo soddisfacente le cellule ciliate dei mammiferi, la ricerca sulle cellule dei capelli si basa su colture primarie di organi. Il più caratterizzato modello in vitro di cellule mature per capelli mammifero utilizza colture organo di otricoli da topi adulti (figura 1) 1-6. L&#39;utricolo è un organo vestibolare, e le cellule ciliate del utricolo sono simili nella struttura e funzione delle cellule ciliate dell&#39;organo uditivo, l&#39;organo del Corti. Il mouse gli adulti, utricolo rappresenta un epitelio sensoriale matura per lo studio dei segnali molecolari che regolano la sopravvivenza, l&#39;omeostasi, e la morte di queste cellule. Mammiferi cellule ciliate cocleari sono terminalmente differenziate e non vengono rigenerati quando vengono persi. In non-mamvertebrati del Mali, uditivi o vestibolare morte delle cellule dei capelli è seguita dalla rigenerazione robusto che ripristina le funzioni dell&#39;udito e dell&#39;equilibrio 7, 8. Rigenerazione delle cellule dei capelli è mediata da cellule gliali, come le cellule di supporto, che contattano le superfici basolaterale delle cellule ciliate nell&#39;epitelio sensoriale 9, 10. Cellule di sostegno sono anche importanti mediatori di sopravvivenza delle cellule dei capelli e la morte 11. Abbiamo recentemente sviluppato una tecnica per infezione di cellule di sostegno in otricoli coltura con adenovirus. Utilizzo di adenovirus di tipo 5 (dE1/E3) per fornire un transgene contenente GFP sotto il controllo del promotore CMV, troviamo che adenovirus specificamente e infetta efficacemente le cellule di supporto. Sostenere infezione efficienza della cella è di circa 25-50%, e le cellule dei capelli non sono infettati (figura 2). Importante, troviamo che l&#39;infezione adenovirale di cellule di sostegno non comporta la tossicità per le cellule ciliate o cellule di supporto, come il conteggio delle cellule in Ad-GFP infette otricoli sono equivalenti a quelle non infette otricoli (Figura 3). Così adenovirus-mediata espressione genica in cellule di sostegno di otricoli coltivate fornisce un potente strumento per studiare i ruoli di cellule di sostegno come mediatori di sopravvivenza delle cellule dei capelli, la morte e rigenerazione.

Watch this Scientific Journal Video about Dissection of Adult Mouse Utricle and Adenovirus-mediated Supporting-cell Infection at JoVE.com

Dissection of Adult Mouse Utricle and Adenovirus-mediated Supporting-cell Infection

Cellule ciliate Mechanosensory sono le cellule recettori dell&#39;orecchio interno. Il più caratterizzato<em&gt; In vitro</emModello di sistema&gt; di mature cellule ciliate mammiferi utilizza colture d&#39;organo di otricoli da topi adulti. Presentiamo la dissezione del otricolo topo adulto, e dimostriamo adenovirus-mediata infezione di cellule di sostegno in otricoli coltura.

Dissezione di utricolo topo adulto e adenovirus-mediata non protagonista infezione delle cellule

Hearing loss and balance disturbances are often caused by death of mechanosensory hair cells, which are the receptor cells of the inner ear.  Since there ...

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