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.

नैतिक अनुमोदन - के रूप में संस्थागत पशु की देखभाल ने मंजूरी दे दी है और चिकित्सा के Baylor कॉलेज का प्रयोग समिति पशु विषयों को शामिल प्रक्रियाओं, नियमों और अनुसंधान जानवरों के लिए स्वास्थ्य के दिशा निर्देशों के रा?...

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कई प्रयोगशालाओं में GCL न्यूरॉन्स से दर्ज की गई है फ्लैट माउंट तैयारी 15-18, लेकिन हमारी प्रक्रियाओं लीग न्यूरॉन्स से रिकॉर्डिंग अनुमति देते हैं। हम इसके द्वारा कई कदम है कि सफल दिनचर्या रिकॉर्डिंग के...

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.

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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

स्तनधारी रेटिना एक बहुस्तरीय कई न्यूरोनल प्रकार से बना ऊतक है। समझने के लिए कैसे दृश्य संकेतों अपनी जटिल synaptic नेटवर्क के भीतर कार्रवाई कर रहे हैं, electrophysiological रिकॉर्डिंग अक्सर व्यक्तिगत न्यूरॉन्स के बीच कनेक्शन का अध्ययन करने के लिए इस्तेमाल कर रहे हैं। हम माउस रेटिना के दोनों GCL (नाड़ीग्रन्थि सेल परत) और लीग में आनुवंशिक रूप से चिह्नित न्यूरॉन्स के पैच दबाना रिकॉर्डिंग (भीतर परमाणु परत) के लिए एक फ्लैट माउंट तैयारी अनुकूलित है। फ्लैट आरोह में रिकॉर्डिंग लीग न्यूरॉन्स स्लाइस पर इष्ट है क्योंकि दोनों ऊर्ध्वाधर और पार्श्व कनेक्शन पूर्व विन्यास में संरक्षित कर रहे हैं, बड़े पार्श्व घटकों के साथ रेटिना सर्किट की इजाजत देने का अध्ययन किया जा सकता है। हम इस तरह के कोलीनर्जिक बर्स्ट amacrine कोशिकाओं (थैलियों) के रूप में रेटिना में दर्पण भागीदारी न्यूरॉन्स की प्रतिक्रियाओं की तुलना करने के लिए इस प्रक्रिया का इस्तेमाल किया है।

पर और एक deafferentated माउस रेटिना से रवाना प्रकार की थैलियों के प्रतिनिधि रिकॉर्डिंग चित्र 1 में दिखाया गया है। दोनों GCL और लीग में Cholinergic कोशिकाओं मज़बूती और tdTomato प्रतिदीप्ति द्वारा की पहचान क?...

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

इस प्रोटोकॉल दर्शाता है कि कैसे एक फ्लैट माउंट तैयारी से रेटिना न्यूरॉन्स पर पूरे सेल पैच दबाना रिकॉर्डिंग प्रदर्शन करने के लिए।

Deafferentated माउस रेटिना के एक फ्लैट माउंट तैयारी में स्टारबर्स्ट amacrine कोशिकाओं के पैच दबाना रिकॉर्डिंग

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

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पैच एक डार्क अनुकूलित स्लाइस तैयारी में माउस रेटिना न्यूरॉन्स से दबाना रिकॉर्डिंग

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

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बरकरार neuroepithelium में माउस घ्राण संवेदी न्यूरॉन्स के छिद्रित पैच दबाना रिकॉर्डिंग: एक की पहचान odorant रिसेप्टर व्यक्त न्यूरॉन्स की कार्यात्मक विश्लेषण

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

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