Name: patch clamp recording of starburst amacrine cells in a flat-mount preparation of deafferentated mouse retina
Uploaded: 2016-10-13T14:00:00
Description: Watch this Scientific Journal Video about Patch Clamp Recording of Starburst Amacrine Cells in a Flat-mount Preparation of Deafferentated Mouse Retina at JoVE.com

We thank Joung Jang and Xin Guan for technical assistance. We thank Dr. Rory McQuiston of Virginia Commonwealth University for setting up our first patch clamp rig and advices on experimental procedures. We thank Dr. Samuel Wu for suggestions on voltage clamp recording. The work is supported by NIH grants EY013811, EY022228 and a vision core grant EY002520. C-KC is the Alice R. McPherson Retina Research Foundation Endowed Chair at the Baylor College of Medicine.

Этическое одобрение - процедуры, связанные с субъектов животных были проведены в соответствии с нормами и правилами Национальных институтов здравоохранения руководящих принципов для исследований животных, утвержденные институциональном ухода за животными и использовать комитет из Медицинско...

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Многие лаборатории зафиксировали от GCL нейронов в квартире монтажа подготовки 15-18, но наши процедуры позволяют записи из INL нейронов. Настоящим выделить несколько шагов, которые имеют решающее значение для успешного проведения рутинных записей. Свежесть и плоскос...

As an easily accessible part of the central nervous system, the retina has for decades been a useful model in neuroscience studies. Genetic marking of neurons has allowed detailed characterization of synaptic connections in the retina. With many methodologies available to examine function and morphology of retinal neurons, the patch clamp recording technique has been instrumental in our current understanding of vertically transmitted signals in the retina. These signals are originated from photon absorption in photoreceptors and sent to brain visual centers through spiking of retinal ganglion cells (RGCs). Despite a large body of knowledge accumulated thus far, neural diversity in vascularized mammalian retina remains unsolved and obstructs the full appreciation of retinal circuits that subserve normal vision. This is in part because most recordings were performed on retinal slices to trade lateral circuit integrity for access to more proximal retinal neurons1-3. To gain a comprehensive picture on how retina computes visual signals, it is thus desirable to record neurons in flat-mounts wherein lateral connections, large and small, may be better preserved.
When synaptic transmission from photoreceptors to bipolar cells is interrupted due to a defective metabotropic glutamate receptor 6 (mGluR6) signaling pathway in depolarizing bipolar cells4-6 or simply as the result of photoreceptor loss in degenerated retinas7-10, many RGCs exhibit oscillatory activities. These oscillations originate from multiple sources, however the one involving gap junction coupling between AII amacrine cells (AII-ACs) and depolarizing cone bipolar cells (DCBCs) has received the most attention and hence is best understood1,7,11. We have found another source, which persists under pharmacological blockade of the aforementioned AII-AC/DCBC network and drives oscillation of OFF-type SACs in Rho&#916;CTA and Nob mice with deafferentated retinas7,8,12. Here we detail our protocol of preparing retinal flat-mounts for INL neuron recording. This approach uses commercial mouse lines (Jax stock no. 006410 and 007905) to mark cholinergic retinal neurons by fluorescent protein (tdTomato) expression that is identifiable under a fluorescent microscope equipped with contrast enhancing optics. Some experimental results acquired through this approach have been previously reported4,5,7,13.

<table border="0" cellpadding="0" cellspacing="0" width="984">
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	<tbody>
		<tr height="42">
			<td height="42" style="height:42px;width:195px;">Fixed-stage fluorescent microscope with DIC</td>
			<td style="width:155px;">Olympus</td>
			<td style="width:219px;">BX51-WI</td>
			<td style="width:419px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Micromanipulators</td>
			<td style="width:155px;">Sutter</td>
			<td style="width:219px;">MP-225</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Patch clamp amplifier</td>
			<td style="width:155px;">A-M System</td>
			<td style="width:219px;">AM2400</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">AD converter</td>
			<td style="width:155px;">National Instrument</td>
			<td style="width:219px;">NI-USB-6221</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Heater controller</td>
			<td style="width:155px;">Warner Instrument</td>
			<td style="width:219px;">TC-324B</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Inline heater</td>
			<td style="width:155px;">Warner Instrument</td>
			<td style="width:219px;">SC-20</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Peristaltic pump</td>
			<td style="width:155px;">Rainin</td>
			<td style="width:219px;">Dynamax</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">pipette puller</td>
			<td style="width:155px;">Sutter Instrument</td>
			<td style="width:219px;">P-1000</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Glass tube with filament</td>
			<td style="width:155px;">King Precision Glass</td>
			<td style="width:219px;">Customized</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Stimulator</td>
			<td style="width:155px;">A.M.P.I.</td>
			<td style="width:219px;">Master-8</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Biocytin</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">B4261</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">NaCl</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">S6191</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">KCl</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">P5405</td>
			<td></td>
		</tr>
		<tr height="25">
			<td height="25" style="height:25px;">NaHCO3</td>
			<td style="width:155px;">Fisher</td>
			<td style="width:219px;">BP328-1</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Na2HPO4</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">S0876</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">NaH2PO4</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">S5011</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">CaCl2</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">C5670</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">MgSO4</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">M1880</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">D-glucose</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">G6152</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">K-gluconate</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">G4500</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">ATP-Mg</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">A9187</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Li-GTP</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">G5884</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">EGTA</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">E0396</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">HEPES</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">H4034</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">KOH</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">P5958</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Cs-methanesulfonate</td>
			<td style="width:155px;">Sigma</td>
			<td style="width:219px;">C1426</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">CsOH</td>
			<td style="width:155px;">Sigma</td>
			<td align="right" style="width:219px;">232041</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Syringer filter</td>
			<td style="width:155px;">Nalgene</td>
			<td align="right" style="width:219px;">171</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">1 ml syring</td>
			<td style="width:155px;">Rainin</td>
			<td align="right" style="width:219px;">17013002</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">10 ul pipette tip</td>
			<td style="width:155px;">Genesee Scientific</td>
			<td style="width:219px;">24-130RL</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">Streptavidin-488</td>
			<td style="width:155px;">ThermoFisher</td>
			<td style="width:219px;">S-11223</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:195px;">10X PBS</td>
			<td style="width:155px;">Lonza</td>
			<td style="width:219px;">17-517Q</td>
			<td></td>
		</tr>
	</tbody>
</table>

patch clamp recording of starburst amacrine cells in a flat-mount preparation of deafferentated mouse retina

Сетчатка млекопитающее представляет собой слоистую ткань состоит из нескольких типов нейронов. Чтобы понять, как визуальный сигналы обрабатываются в пределах своей сложной синаптической сети, электрофизиологические записи часто используются для изучения связи между отдельными нейронами. Мы оптимизировали препарат плоским крепление для патч зажим записи генетически маркированных нейронов в обоих GCL (слой ганглиозных клеток) и INL (внутренний ядерный слой) сетчаток мыши. Запись INL нейронов в плоских монтирует отдается предпочтение по сравнению ломтиками, потому как вертикальные, так и боковые соединения сохраняются в предыдущей конфигурации, позволяя схемы сетчатки глаза с большими боковыми компонентами, которые будут изучены. Мы использовали эту процедуру, чтобы сравнить ответы зеркально-Partnered нейронов в сетчатке, таких как холинергических звездообразования амакринных клеток (мешочков).

Типичные записи балансовые и УКД OFF-типа от деафферентированной сетчатки мыши показаны на рисунке 1. Холинергических клеток в обоих GCL и INL может быть надежно идентифицированные tdTomato флуоресценции и , предназначенные для целых клеток записи патч зажим под DIC <st...

Watch this Scientific Journal Video about Patch Clamp Recording of Starburst Amacrine Cells in a Flat-mount Preparation of Deafferentated Mouse Retina at JoVE.com

Patch Clamp Recording of Starburst Amacrine Cells in a Flat-mount Preparation of Deafferentated Mouse Retina

Этот протокол показывает, как выполнить цельноклеточной записи патч зажим на нейроны сетчатки из плоского монтажа подготовки.

Патч зажим Запись Starburst амакриновые клетки в плоскопанельных горе Подготовка деафферентированной Mouse Retina

The mammalian retina is a layered tissue composed of multiple neuronal types. To understand how visual signals are processed within its intricate synaptic ...

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Neuroscience

Patch Clamp Recordings from Mouse Retinal Neurons in a Dark-adapted Slice Preparation

Патч зажим Recordings от мыши нейронов сетчатки в темно-адаптированной фрагмент подготовка

Our visual experience is initiated when the visual pigment in our retinal photoreceptors absorbs photons of light energy and initiates a cascade of ...

Culturing and Electrophysiology of Cells on NRCC Patch-clamp Chips

Культивирование и электрофизиологии ячеек на NRCC Патч зажим фишки

Due to its exquisite sensitivity and the ability to monitor and control individual cells at the level of ion channels, patch-clamping is the gold standard ...

F1FO ATPase Vesicle Preparation and Technique for Performing Patch Clamp Recordings of Submitochondrial Vesicle Membranes

F1FO ATPase Vesicle Preparation and Technique for Performing Patch Clamp Recordings of Submitochondrial Vesicle Membranes

<sub&gt; 1</sub&gt; F<sub&gt; O</sub&gt; АТФазы Подготовка пузырька и техника исполнительских патч зажим Записи субмитохондриальных мембран везикул

Mitochondria are involved in many important cellular  functions including metabolism, survival1, development and, calcium signaling2. Two of the most ...

Patch Clamp Recordings from Embryonic Zebrafish Mauthner Cells

Патч зажим Recordings от эмбриональных данио рерио Mauthner клеток

Mauthner cells (M-cells) are large  reticulospinal neurons located in the hindbrain of teleost fish. They are key  neurons involved in a characteristic ...

Recording Light-evoked Postsynaptic Responses in Neurons in Dark-adapted, Mouse Retinal Slice Preparations Using Patch Clamp Techniques

Запись Light-вызывала постсинаптические реакции нейронов темно-адаптированных, мышь сетчатки ломтик препаратов с использованием методов локальной фиксации

The retina is the gateway to the visual system. To understand visual signal processing mechanisms, we investigate retinal neural network functions. ...

Perforated Patch-clamp Recording of Mouse Olfactory Sensory Neurons in Intact Neuroepithelium: Functional Analysis of Neurons Expressing an Identified Odorant Receptor

Перфорированные патч-зажим записи из мышей Обонятельные сенсорные нейроны в неповрежденном нейроэпителии: Функциональный анализ нейронов выражая идентифицированного одоранта рецептор

Analyzing the physiological responses of olfactory sensory neurons (OSN) when stimulated with specific ligands is critical to understand the basis of ...

Whole-cell Patch-clamp Recordings in Brain Slices

Цельноклеточной патч-зажим Записи в головном мозге Ломтики

Whole-cell patch-clamp recording is an electrophysiological technique that allows the study of the&#160;electrical properties of a substantial part of the ...

Auditory Brainstem Response and Outer Hair Cell Whole-cell Patch Clamp Recording in Postnatal Rats

Ответ слуховой ствола мозга и внешние клетки волос поклеточного патч зажим запись в послеродовой крыс

The outer hair cell is one of the two types of sensory hair cells in the mammalian cochlea. They alter their cell length with the receptor potential to ...

Preparations and Protocols for Whole Cell Patch Clamp Recording of Xenopus laevis Tectal Neurons

Preparations and Protocols for Whole Cell Patch Clamp Recording of Xenopus laevis Tectal Neurons

Препараты и протоколы для всей ячейки патч зажим записи Xenopus laevis тектальный нейронов

The Xenopus tadpole retinotectal circuit, comprised of the retinal ganglion cells (RGCs) in the eye which form synapses directly onto neurons in the optic ...

Preparation of Acute Spinal Cord Slices for Whole-cell Patch-clamp Recording in Substantia Gelatinosa Neurons

Подготовка острого спинного фрагменты записи поклеточного патч зажим в Substantia Gelatinosa нейронов

Recent whole-cell patch-clamp studies from substantia gelatinosa (SG) neurons have provided a large body of information about the spinal mechanisms ...