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.

אישור אתי - נהלים הקשורים בנושאי בעלי חיים בוצעו בהתאם לכללים וההתקנות של ה- National Institutes of הנחיות בריאות חיות מחקר, כפי שאושר על ידי הטיפול בבעלי החיים המוסדי ועדת השימוש של ביילור לרפואה. חיצוני 1. ופתרונות פנימיים <ol style=";text-align:right;direction:rtl"><li s...

<ol>
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מעבדות רבות הקליטו מתא עצב GCL בדירת הר הכנה 15-18, אך ההליכים שלנו מאפשרים הקלטה מתא עצב INL. הרינו להדגיש מספר צעדים חיוניים להקלטות שגרה מוצלחות. רעננויות השטיחות של הרשתית חשובות חודר אותו עם טפטפת הקלטה. בהקשר זה, את הקובץ המ?...

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

הרשתית היונקת היא רקמה שכבתית מורכבת סוגי נוירונים מרובים. כדי להבין כיצד חזותי אותות מעובדים בתוך הרשת הסינפטי המורכבת שלה, הקלטות אלקטרו משמשות לעתים קרובות כדי ללמוד קשרים בין נוירונים בודדים. יש לנו אופטימיזציה הכנה שטוח הר עבור צמד תיקון הקלטה של ​​נוירונים מסומנים גנטי בשני GCL (שכבת תא גנגליון) ו INL (שכבת גרעין פנימית) של רשתית עכבר. נוירונים INL הקלטה שטוח mounts הוא מועדף על פרוסות בגלל קשרים אנכיים וצידית נשמרים בתצורה לשעבר, המאפשר מעגלי רשתית עם רכיבים לרוחב גדולים כדי להיחקר. השתמשנו בהליך זה כדי להשוות תשובות של נוירונים-שותפה מראים רשתית כגון תאי amacrine מספרים כולינרגית (צקים).

קלטות נציג וחוץ צקי OFF-סוג של רשתית עכבר deafferentated מוצגות באיור 1. תאים כולינרגית בשני GCL ו INL ניתן לזהות באופן אמין על ידי קרינת tdTomato וממוקדת להקלטת מהדק תיקון כל תא תחת DIC (איור 1 א) לחשוף תנודה של הפוטנציאלים הממברנה שלהם (עקבות למעלה) ?...

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

פרוטוקול זה מדגים כיצד לבצע הקלטת תיקון מהדק כל תא על נוירונים ברשתית מן הכנת שטוח הר.

צמד תיקון הקלטה של ​​תאי הקרנות amacrine בתוך הכנת שטוח הר Deafferentated רשתית העכבר

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

Research

JoVE Journal

Neuroscience

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

הצמד תיקון הקלטות מתא עצב עכבר רשתית בהכנת Dark המותאמות פרוסה

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

Culturing ו Electrophysiology של תאים על Patch-clamp צ&#39;יפס NRCC

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; הכנת שלפוחיות ATPase וטכניקה לביצוע הקלטות מהדק תיקון של קרום שלפוחית ​​Submitochondrial

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

תיקון הקלטות קלאמפ מתאים עוברי דג הזברה מאוטנר

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

הקלטת אור עורר תגובות Postsynaptic בנוירונים מותאמים-Dark, תכשירי עכבר רשתית Slice באמצעות טכניקות הצמד התיקון

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

הקלטה מחוררת תיקון מהדק של עכבר עצב סנסורי חוש הריח בneuroepithelium שלמים: ניתוח פונקציונלי של נוירונים הבעת קולטן odorant מזוהה

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

הקלטות תיקון מהדק כל תא פרוסות המוח

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

גזע המוח השמיעתית תגובה והקלטה החיצוני תא שיער תיקון שלם-תא קלאמפ בחולדות כמחנכת

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

ההכנות ופרוטוקולים עבור כל תא, תיקון קלאמפ הקלטה של נוירונים Tectal צפרדע רפואית זריזה

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

הכנה של חוט השדרה חריפה פרוסות תאים כל תיקון-קלאמפ הקלטה בנוירונים הסובסטנציה Gelatinosa

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

צמד תיקון הקלטה של ​​תאי הקרנות amacrine בתוך הכנת שטוח הר Deafferentated רשתית העכבר

צמד תיקון הקלטה של תאי הקרנות amacrine בתוך הכנת שטוח הר Deafferentated רשתית העכבר