Name: minimally-invasive technique for injection into rat optic nerve
Uploaded: 2015-05-19T14:00:00
Description: Watch this Scientific Journal Video about Minimally-invasive Technique for Injection into Rat Optic Nerve at JoVE.com

This study was supported by NeuralStem, Inc., and Johns Hopkins Project RESTORE.

NOT: Bütün hayvan prosedürleri Johns Hopkins Hayvan Bakım ve Kullanım Kurulu tarafından kabul edildi. Anestezi makineleri gerektiği şekilde yıllık muayene ve kalibrasyonu gerektirir. 1. Anestezi ve Konumlandırma <ol><li> Anestezi. <ol><li> % 2-3 isofluorane ile anestezi altında tüm cerrahi prosedürleri gerçekleştirin. Ayak tutam ve solunum hızı ile anestezi uygun seviyede onaylayın. Sıçan, bir ayak tutam yanıt korkmak olmadığını kontrol edin. NOT: Bir &#39;deki kaçınma çok g...

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Direct injection into the optic nerve of stem cells or other products intended to facilitate regeneration provides a convenient model compared to other means of injections into the CNS. This technique takes less time, requires less total anesthesia, avoids drilling or removing skull or bone tissue, reduces complications rates and allows for more rapid recovery following surgery. 
The most critical steps in this protocol include: 1. Adequate hemostasis in the surgical field to allow clear visua...

Optik sinir merkezi sinir sistemi (MSS) gibi optik nevrit, glokom ve travma olarak göz koşullar da dahil olmak üzere rejeneratif araştırma için ideal bir konum sağlar. Kök hücrelerin çeşitli enjeksiyonları ya aksonal sayısı artan ve / veya dejeneratif hastalıkların önlenmesi, etkinlik göstermiştir veya kayıp miyelin değiştirilmesi söz göstermiştir. 1,2 insan optik sinir yaklaşık 3.0-3.5 mm&#39;lik bir çapa sahip kiazmada retinadan seyahat eden yaklaşık 1.200.000, paralel aksonlar içerir. 3 Laboratuarda insan hastalıklarının modellemek için, sıçan sık kullanılmaktadır. yetişkin sıçan optik sinir yaklaşık 0,5 mm çapında içinde yaklaşık 100.000 aksonlar içerir. MSS önemli sınırlamalar 4 biri rejeneratif araştırma direkt kemiksiz erişimi olduğunu. Hayvan komplikasyonlar ve cerrahi riskler kafatası veya omurlar kaldırıldığında yüksektir. Faydaları Benzeromurgada minimal invazif yaklaşımlar, kafatası teklif azaltılmış komplikasyonları ve daha hızlı bir toparlanma açmadan 5 direk optik sinir enjeksiyonları. Bu teknik daha önceki çalışmalarda kullanılmıştır. 6 Bu yazıda ve beraberindeki video, sıçan optik sinir içine kök hücreler enjekte etmek için minimal invaziv prosedür göstermek.

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			<td height="21" style="height:21px;width:216px;">Lewis rat</td>
			<td style="width:151px;">Charles River</td>
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			<td>Any rat strain will work.</td>
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			<td height="21" style="height:21px;width:216px;">Anesthesia machine</td>
			<td style="width:151px;">Surgivet</td>
			<td style="width:151px;">CDS9000</td>
			<td>CDS 9000 Small Animal Anesthesia Machine - Pole Mount</td>
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			<td height="21" style="height:21px;width:216px;">Infusion pump</td>
			<td style="width:151px;">Stoelting</td>
			<td align="right" style="width:151px;">53129</td>
			<td></td>
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			<td height="21" style="height:21px;width:216px;">Dissection microscope</td>
			<td style="width:151px;">National Optical</td>
			<td style="width:151px;">409-411-1105</td>
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			<td height="21" style="height:21px;width:216px;">Fiber-optic light source</td>
			<td style="width:151px;">Fisher Scientific</td>
			<td style="width:151px;">12-562-21</td>
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			<td height="42" style="height:42px;width:216px;">Dissection and Stereotaxic Instrument</td>
			<td style="width:151px;">Stoelting</td>
			<td align="right" style="width:151px;">51400</td>
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			<td height="21" style="height:21px;width:216px;">Pipette Puller</td>
			<td style="width:151px;">Kopf</td>
			<td align="right" style="width:151px;">750</td>
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			<td height="42" style="height:42px;width:216px;">Pipettes</td>
			<td style="width:151px;">World Precision Instruments</td>
			<td style="width:151px;">18150-6</td>
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			<td height="21" style="height:21px;width:216px;">Disposable scalpel blades</td>
			<td style="width:151px;">Harvard Apparatus</td>
			<td style="width:151px;">810-15-021</td>
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			<td height="42" style="height:42px;width:216px;">Iridectomy scissors</td>
			<td style="width:151px;">Electron Microscopy Sciences</td>
			<td style="width:151px;">Uniband LA-4XF</td>
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minimally-invasive technique for injection into rat optic nerve

The rat optic nerve is a useful model for stem cell regeneration research. Direct injection into the rat optic nerve allows delivery into the central nervous system in a minimally-invasive surgery without bone removal. This technique describes an approach to visualization and direct injection of the optic nerve following minor fascial dissection from the orbital ridge, using a conjunctival traction suture to gently pull the eye down and out. Representative examples of an injected optic nerve show successful injection of dyed beads.

Deneyin sonunda, sıçanlar kurban edilmiş ve% 4 paraformaldehit ile perfüze. Optik sinirler dikkatli bir şekilde kesilir ve kriyostat bölümlere ayırma için monte edilmiştir. 2 Evans mavisi sitesi görselleştirmek için enjekte edilmiş, düşük güçte bir fare, tüm optik sinirin bir örneğini göstermektedir. ok enjeksiyon kesin konumunu tanımlar. Sinirden boya sınırlı difüzyon ile gösterildiği gibi bu diseksiyon enjeksiyonu bir kaç dakika içinde yapıldı. Diğer...

Watch this Scientific Journal Video about Minimally-invasive Technique for Injection into Rat Optic Nerve at JoVE.com

Minimally-invasive Technique for Injection into Rat Optic Nerve

Sıçan Optik Sinir içine Enjeksiyon için minimal invaziv Tekniği

Direct injection into the rat optic nerve is useful for regenerative research. We demonstrate a minimally-invasive technique for direct injection into a rat optic nerve that does not involve opening the skull. Using this method, surgical complications are minimized and recovery is more rapid.

The rat optic nerve is a useful model for stem cell regeneration research. Direct injection into the rat optic nerve allows delivery into the central ...

Research

JoVE Journal

Neuroscience

Single-unit In vivo Recordings from the Optic Chiasm of Rat

Single-unit In vivo Recordings from the Optic Chiasm of Rat

Tek birim In vivo</emSıçan, optik kiazma> Kayıtlar

Information about the visual world is transmitted to the brain in sequences of action potentials in retinal ganglion cell axons that make up the optic ...

Axoplasm Isolation from Rat Sciatic Nerve

Sıçan Siyatik Sinir Axoplasm İzolasyon

Isolation of pure axonal cytoplasm (axoplasm) from peripheral nerve is crucial for biochemical studies of many biological processes. In this article, we ...

Optic Nerve Transection: A Model of Adult Neuron Apoptosis in the Central Nervous System

Optik Sinir transeksiyonu: Santral Sinir Sistemi Yetişkin Nöron Apoptoz Bir Model

Retinal ganglion cells (RGCs) are CNS neurons that output visual information from the retina to the brain, via the optic nerve. 
The optic nerve can be ...

Methods for Experimental Manipulations after Optic Nerve Transection in the Mammalian CNS

Memeli MSS Optik Sinir transeksiyonu sonra Deneysel İşlemler Yöntemleri

Retinal ganglion cells (RGCs) are CNS neurons that output visual information from the retina to the brain, via the optic nerve. The optic nerve can be ...

An Optic Nerve Crush Injury Murine Model to Study Retinal Ganglion Cell Survival

Retina Ganglion Hücre Survival Eğitim Bir Optik Sinir Crush Yaralanma murin Modeli

Injury to the optic nerve can lead to axonal degeneration, followed by a gradual death of retinal ganglion cells (RGCs), which results in irreversible ...

In vivo Imaging of Optic Nerve Fiber Integrity by Contrast-Enhanced MRI in Mice

In vivo Imaging of Optic Nerve Fiber Integrity by Contrast-Enhanced MRI in Mice

Farelerde kontrastlı MR ile optik sinir lifi Dürüstlük İn vivo

The rodent visual system encompasses retinal ganglion cells and their axons that form the optic nerve to enter thalamic and midbrain centers, and ...

Intramuscular Injections Along the Motor End Plates: A Minimally Invasive Approach to Shuttle Tracers Directly into Motor Neurons

Motor End Plates boyunca İntramüsküler Enjeksiyonlar: Doğrudan Motor Nöronlar içine Servis Tarayıcıları Bir Minimal İnvaziv Yaklaşım

Diseases affecting the integrity of spinal cord motor neurons are amongst the most debilitating neurological conditions. Over the last decades, the ...

Visual Evoked Potential Recording in a Rat Model of Experimental Optic Nerve Demyelination

Deneysel Optik Sinir demyelinizasyon bir Rat Modelinde Görsel Uyarılmış Potansiyel Kayıt

The visual evoked potential (VEP) recording is widely used in clinical practice to assess the severity of optic neuritis in its acute phase, and to ...

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Endoskopik Endonasal Trans-sfenoidal yaklaşım: Hipofiz adenomları için minimal invaziv cerrahi

Endoscopic endonasal trans-sphenoidal surgery has become the gold standard for the surgical treatment of pituitary adenomas and many other pituitary ...

Minimally Invasive Endoscopic Intracerebral Hemorrhage Evacuation

Minimal İnvaziv Endoskopik İntraserebral Kanama Tahliyesi

Intracerebral hemorrhage (ICH) is a subtype of stroke with high mortality and poor functional outcomes, largely because there are no evidence-based ...