Name: whole mount dissection and immunofluorescence of the adult mouse cochlea
Uploaded: 2016-01-01T15:00:00
Description: Watch this Scientific Journal Video about Whole Mount Dissection and Immunofluorescence of the Adult Mouse Cochlea at JoVE.com

This work was supported in part by a grant from the Office of Naval Research (N000141310569). The Southern Illinois University School of Medicine Research Imaging Facility equipment was supported by the National Center for Research Resources-Health (S10RR027716).

Etik Beyanı: Hayvan denekleri Prosedürler Tıp Southern Illinois University School Kurumsal Hayvan Bakımı ve Kullanımı Komitesi tarafından onaylanmıştır. Temporal Bones 1. Ekstraksiyon <ol><li> Fare kafatası 13 tabanındaki zamansal kemikler tespit ve standart model forseps kullanılarak kranial sinirler kazınması. </li><li> Kapsüllü koklea çıkarmak için otik kapsül ucunda aşağı posteriyor semisirküler kanal üzerinde ters elle basının başparmak ile sta...

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S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Primary+culture+and+plasmid+electroporation+of+the+murine+organ+of+Corti.">Primary culture and plasmid electroporation of the murine organ of Corti.</a> J Vis Exp. (36), e1685 (2010).</li><li>Burns, J. C., On, D., Baker, W., Collado, M. S., Corwin, J. T. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Over+half+the+hair+cells+in+the+mouse+utricle+first+appear+after+birth,+with+significant+numbers+originating+from+early+postnatal+mitotic+production+in+peripheral+and+striolar+growth+zones.">Over half the hair cells in the mouse utricle first appear after birth, with significant numbers originating from early postnatal mitotic production in peripheral and striolar growth zones.</a> J Assoc Res Otolaryngol. 13 (5), 609-627 (2012).</li><li>Collado, M. 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<html> Başarılı tüm montaj diseksiyonu ve immün için birkaç kritik adımlar vardır. Bu yöntemlerden birini gerçekleştirilir Ancak önce, koklear dokusunun uygun sabitleme gereklidir. Biz metanol, ücretsiz, ultra saf, EM dereceli PFA kullanmanızı öneririz. PFA metanol ve immünofloresan kalitesini düşüren dengesiz bir pH izlerini olabilir toz yaptı. Diğer gruplar, benzer diseksiyon formaldehit 14-16 içermeyen kullanılarak mümkün olan sabitleyiciler olduğunu göstermiştir. Sabitleme uzu...

Temporal kemik içinde yer alan iç kulağın spiral şekilli koklea, Corti, memelilerde işitsel duyu uç organ organı ev sahipliği yapmaktadır. Koklea tonotopically düzenlenen ve yaygın olarak apikal ortadan ayrılır ve bazal tepesi 1 taban ve düşük frekans tespiti yüksek frekanslı ses algılama ile farklı frekans bölgelerine tekabül eden döner bir. Saç hücreleri, Corti organı mechanosensory hücreleri, farelerin 2,3 yaklaşık 6 mm uzunluğunda koklea, uzunluğu çalıştırın. Bu hücreler, merkezi işitsel yapıları tarafından işlenen sinirsel sinyalleri içine, sıvı dolu Membranöz labirent aracılığıyla iletilen ses dalgalarının, mekanik enerjiyi dönüştürmek. Burada anlatılan teknik, (yaş bir hafta yetişkinliğe kadar numuneler için) koklea kalsifikasyonu sonra Corti organı tüm bağlar hazırlanması için bir yöntem, tamamlandığında içerir. Ayrıca immunosta için bir yöntem mevcutbütün ining koklear doku monte edilebilir. Koklear bütün bağlar tüm saç hücrelerinin görselleştirme ve doğal uzamsal düzenlemeler destekleyici hücrelerin çevredeki için çok önemlidir ve konfokal mikroskopi kullanılarak üç boyutlu olarak analiz için izin. Dr. Hans Engstrom ve Harlow Ades aslında onlar hızla mikroskopik analiz 4 Corti organı kısa bozulmamış kesimleri koruyarak, düzeltmek ve memelilerin çeşitli sıvı batık kalsifiye cochleae incelemek için bir teknik detaylı 1966 yılında bir bütün montaj koklear diseksiyon yöntemi tarif. Bir sabitlenmemiş, kalsifiye sıçan Kokleanın diseksiyonu da bir öğretim video 5&#39;te gösterilen edilmiştir. Dr. Barbara Bohne ve Washington Üniversitesinde Gary Harding bu yönteme pek çok önemli değişiklikler yaptı. Koklear tüm montaj yönteminin kendi versiyonunda, temporal kemik, dekalsifiye oldu plastik gömülü ve beş yarım dönüşler veya on çeyrek dönüşler dissec edildited 6,7. O plastik gömme 8 gerekli değildi bu yüzden Dr. Charles Liberman ve Eaton Peabody Laboratories, Massachusetts Göz ve Kulak Infirmary&#39;de meslektaşları, bu tekniği modifiye. Tekniğin daha da modifikasyon Burada sunulan diseksiyon yöntemi haberdar St. Jude Çocuk Araştırma Hastanesi 9-12 Dr. Jian Zuo&#39;nun laboratuarında meydana geldi. Biz tam apikal, orta ve bazal dönüşler izolasyonuna izin veren Bohne ve Liberman daha Corti, organı erişmek için farklı bir strateji kullanın. Böylece disseke doku büyük ve diseksiyon veya immün işlemleri sırasında kayıp ya da hasar olasılığı daha azdır. Buna ek olarak, güncel yöntem apikal uç veya frekans bölgesini tanımlamak için bazal kanca mesafenin ölçülmesini kolaylaştırır. Birçok laboratuarları koklear dokusunun immün gerçekleştirin rağmen bu yöntem nereden geldiğini, bu belli değildir. Bunun sonucunda Buffe engellemek için çeşitli tarifler vardırrs ve bireysel birincil antikor performansını etkileyebilir antikor inkübasyon tamponları. Burada, işitsel alanda en yaygın olarak kullanılan antikorlar için de geçerlidir floresan isim levhası antikor ile immünboyama için bir yöntem sunulmaktadır. Koklea karmaşık şekli, Corti organı hassas yapısı ve kemik kapatma histolojik ve biyokimyasal analiz için bir meydan okuma sağlamak. Çeşitli teknikler şu anda bu zor özellikleri aşmak ve Corti, kendi avantajları ve dezavantajları ile her tekniğin organı içindeki hücreleri görselleştirmek için işitme alanında kullanılmaktadır. Burada sunulan protokol küçük bir değişiklikle, potansiyel olarak bu alanda kullanılan diğer model organizmaların çeşitli cochleae içindeki kritik yapılara incelemek için kullanılabilir, yetişkin fare koklea bütün montaj diseksiyon sağlar ve.

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whole mount dissection and immunofluorescence of the adult mouse cochlea

The organ of Corti, housed in the cochlea of the inner ear, contains mechanosensory hair cells and surrounding supporting cells which are organized in a spiral shape and have a tonotopic gradient for sound detection. The mouse cochlea is approximately 6 mm long and often divided into three turns (apex, middle, and base) for analysis. To investigate cell loss, cell division, or mosaic gene expression, the whole mount or surface preparation of the cochlea is useful. This dissection method allows visualization of all cells within the organ of Corti when combined with immunostaining and confocal microscopy to image cells at different planes in the z-axis. Multiple optical cross-sections can also be obtained from these z-stack images. In addition, the whole mount dissection method can be used for scanning electron microscopy, although a different fixation method is needed. Here, we present a method to isolate the organ of Corti as three intact cochlear turns (apex, middle, and base). This method can be used for mice ranging from one week of age through adulthood and differs from the technique used for neonatal samples where calcification of the cochlea is incomplete. A slightly modified version can be used for dissection of the rat cochlea. We also demonstrate a procedure for immunostaining with fluorescently tagged antibodies.

Biz üç bozulmamış koklear döner (apeks, orta ve tabanı) Şekil 1&#39;de sunulan anahtar diseksiyon adımlarla, kalsifiye olan koklear dokudan olarak Corti organı izole etmek için bir yöntem mevcut. Gelişiminin ilk doğum sonrası haftasında, kalsifikasyon sırasında Fare koklea eksiktir ve daha basit bir diseksiyon yöntemi 13 kullanılabilir. Corti organı P7 gelen kokleadaki ve gözyaşları içinde eski fareler sonuçları ve parçalama ile neon...

Watch this Scientific Journal Video about Whole Mount Dissection and Immunofluorescence of the Adult Mouse Cochlea at JoVE.com

Whole Mount Dissection and Immunofluorescence of the Adult Mouse Cochlea

Biz üç bozulmamış koklear döner (apeks, orta ve üs) olarak Corti yetişkin organı izole etmek için bir yöntem mevcut. Biz de floresan levhası &#39;antikorlar ile immün için bir prosedür ortaya koymaktadır. Birlikte bu teknikler kokleadaki bulunan saç hücreleri, destek hücreler ve diğer hücre türleri çalışma sağlar.

Tüm Dağı Diseksiyon ve Yetişkin Fare Kohlea immünofloresan

The organ of Corti, housed in the cochlea of the inner ear, contains mechanosensory hair cells and surrounding supporting cells which are organized in a ...

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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 ...

Whole Mount Immunofluorescent Staining of the Neonatal Mouse Retina to Investigate Angiogenesis In vivo

Whole Mount Immunofluorescent Staining of the Neonatal Mouse Retina to Investigate Angiogenesis In vivo

Anjiyogenez Araştırma Yenidoğan Fare Retina Tüm Dağı Immunofluorescent Boyama<em&gt; In vivo</em

Angiogenesis  is the complex process of new blood vessel formation defined by the sprouting  of new blood vessels from a pre-existing vessel network. ...

Dissection of the Transversus Abdominis Muscle for Whole-mount Neuromuscular Junction Analysis

Dissection of the Transversus Abdominis Muscle for Whole-mount Neuromuscular Junction Analysis

Tüm Montajlı Nöromüsküler Kavşak Analizi için Enine Abdominis Kasının Diseksiyonu

Analysis of neuromuscular junction morphology can give important insight into the physiological status of a given motor neuron. Analysis of thin flat ...

Whole Mount Immunolabeling of Olfactory Receptor Neurons in the Drosophila Antenna

Whole Mount Immunolabeling of Olfactory Receptor Neurons in the Drosophila Antenna

In Koku Reseptör Nöronlar Tüm Dağı ile immün<em&gt; Drosophila</em&gt; Anten

Odorant molecules bind to their target receptors in a precise and coordinated manner. Each receptor recognizes a specific signal and relays this ...

Whole-mount Imaging of Mouse Embryo Sensory Axon Projections

Fare Embriyo Duyu Akson Projeksiyonlar tüm montaj Görüntüleme

The visualization of full-length neuronal projections in embryos is essential to gain an understanding of how mammalian neuronal networks develop. Here we ...

Whole Mount Labeling of Cilia in the Main Olfactory System of Mice

Fareler Ana Koku Sistemde Cilia Whole Dağı Etiketleme

The mouse olfactory system comprises 6-10 million olfactory sensory neurons in the epithelium lining the nasal cavity. Olfactory neurons extend a single ...

A Simple One-step Dissection Protocol for Whole-mount Preparation of Adult Drosophila Brains

A Simple One-step Dissection Protocol for Whole-mount Preparation of Adult Drosophila Brains

Basit Bir adım Yetişkin Tüm montaj Hazırlama Diseksiyon Protokolü<em&gt; Drosophila</em&gt; Brain

There is an increasing interest in using Drosophila to model human brain degenerative diseases, map neuronal circuitries in adult brains, and study the ...