Name: lateral chronic cranial window preparation enables in vivo observation following distal middle cerebral artery occlusion in mice
Uploaded: 2016-12-29T13:00:00
Description: Watch this Scientific Journal Video about Lateral Chronic Cranial Window Preparation Enables In Vivo Observation Following Distal Middle Cerebral Artery Occlusion in Mice at JoVE.com

VP is a participant in the Charit&#233; Clinical Scientist Program, funded by the Charit&#233; - Universit&#228;tsmedizin Berlin and the Berlin Institute of Health. TB is an SNSF PostDoc Mobility fellow. The authors receive grant support from EinsteinStiftung/A-2012-153 to PV.

伦理声明：涉及动物受试者实验是根据由Landesamt附耳GESUNDHEIT UND Soziales，柏林，德国（G0298 / 13）和ARRIVE标准规定的准则和规定执行，如适用。在这项研究中，10至12周龄的雄性C57BL / 6J小鼠。 1.横向慢性颅窗口准备<ol><li>用皮下注射氯胺酮（90毫克/千克）和赛拉嗪（10毫克/千克）的执行麻醉。测试与痛觉刺激足够的镇静作用。 </li><li>消毒手术器械和手术区域用70％的乙醇。 </li...

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G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Epidemiology+and+the+global+burden+of+stroke.">Epidemiology and the global burden of stroke.</a> World Neurosurg. 76 (6), 85-90 (2011).</li><li>Ebinger, M., Pr&#252;ss, H., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Effect+of+the+use+of+ambulance-based+thrombolysis+on+time+to+thrombolysis+in+acute+ischemic+stroke:+a+randomized+clinical+trial.">Effect of the use of ambulance-based thrombolysis on time to thrombolysis in acute ischemic stroke: a randomized clinical trial.</a> JAMA. 311 (16), 1622-1631 (2014).</li><li>Ebinger, M., Lindenlaub, S., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Prehospital+thrombolysis:+a+manual+from+Berlin.">Prehospital thrombolysis: a manual from Berlin.</a> J vis Exp. 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Y. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Comparison+of+intravital+thinned+skull+and+cranial+window+approaches+to+study+CNS+immunobiology+in+the+mouse+cortex.">Comparison of intravital thinned skull and cranial window approaches to study CNS immunobiology in the mouse cortex.</a> Intravital. 3 (2), (2014).</li><li>Balkaya, M., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Assessing+post-stroke+behavior+in+mouse+models+of+focal+ischemia.">Assessing post-stroke behavior in mouse models of focal ischemia.</a> J Cereb Blood Flow Metab. 33 (3), 330-338 (2013).</li><li>Balkaya, M., Kr&#246;ber, J., Gertz, K., Peruzzaro, S., Endres, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Characterization+of+long-term+functional+outcome+in+a+murine+model+of+mild+brain+ischemia.">Characterization of long-term functional outcome in a murine model of mild brain ischemia.</a> J Neurosci Methods. 213 (2), 179-187 (2013).</li><li>Freret, T., Bouet, V., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Behavioral+deficits+after+distal+focal+cerebral+ischemia+in+mice:+Usefulness+of+adhesive+removal+test.">Behavioral deficits after distal focal cerebral ischemia in mice: Usefulness of adhesive removal test.</a> Beh Neurosci. 123 (1), 224-230 (2009).</li><li>Liu, S., Zhen, G., Meloni, B. P., Campbell, K., Winn, H. R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=RODENT+STROKE+MODEL+GUIDELINES+FOR+PRECLINICAL+STROKE+TRIALS+(1ST+EDITION).">RODENT STROKE MODEL GUIDELINES FOR PRECLINICAL STROKE TRIALS (1ST EDITION).</a> J Exp Stroke Trans Med. 2 (2), 2-27 (2009).</li><li>Florian, B., Vintilescu, R., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Long-term+hypothermia+reduces+infarct+volume+in+aged+rats+after+focal+ischemia.">Long-term hypothermia reduces infarct volume in aged rats after focal ischemia.</a> Neurosci Lett. 438 (2), 180-185 (2008).</li><li>Noor, R., Wang, C. X., Shuaib, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Effects+of+hyperthermia+on+infarct+volume+in+focal+embolic+model+of+cerebral+ischemia+in+rats.">Effects of hyperthermia on infarct volume in focal embolic model of cerebral ischemia in rats.</a> Neurosci Lett. 349 (2), 130-132 (2003).</li><li>Barber, P. A., Hoyte, L., Colbourne, F., Buchan, A. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Temperature-regulated+model+of+focal+ischemia+in+the+mouse:+a+study+with+histopathological+and+behavioral+outcomes.">Temperature-regulated model of focal ischemia in the mouse: a study with histopathological and behavioral outcomes.</a> Stroke. 35 (7), 1720-1725 (2004).</li><li>Shin, H. 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J., Prass, K., Dirnagl, U. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Isoflurane+induced+prolonged+protection+against+cerebral+ischemia+in+mice:+a+redox+sensitive+mechanism.">Isoflurane induced prolonged protection against cerebral ischemia in mice: a redox sensitive mechanism.</a> Neuroreport. 13 (11), 1431-1435 (2002).</li><li>Gertz, K., Priller, J., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Physical+activity+improves+long-term+stroke+outcome+via+endothelial+nitric+oxide+synthase-dependent+augmentation+of+neovascularization+and+cerebral+blood+flow.">Physical activity improves long-term stroke outcome via endothelial nitric oxide synthase-dependent augmentation of neovascularization and cerebral blood flow.</a> Circ Res. 99 (10), 1132-1140 (2006).</li><li>Dirnagl, U. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Bench+to+bedside:+the+quest+for+quality+in+experimental+stroke+research.">Bench to bedside: the quest for quality in experimental stroke research.</a> J Cereb Blood Flow Metab. 26 (12), 1465-1478 (2006).</li></ol>

中风是长期的伤残和死亡全世界1的主要原因之一。除了急性期治疗，研究新的方法和机制，加快和提高中风后恢复仍然是一个主要的医疗目标7。试验行程研究者经常使用局灶性脑缺血啮齿动物模型。实际上，模型诱导瞬时或永久MCAO模仿最常见的类型患者4局灶性脑缺血中的一个。除了MCA的近端闭塞，为远侧MCAO手术闭塞灯丝模型可能是在实验性卒中研究5,19中最常?...

Stroke is among the principal causes of long-term disability and death worldwide1, coming second after coronary heart disease. In addition, stroke is the primary cause of long-term disability, underscoring its tremendous socioeconomic impact6-8. Beyond acute treatment, investigating new approaches and mechanisms to accelerate and enhance recovery after stroke remains a prime medical goal7. 
In the last few decades, data from experimental stroke research has contributed substantially to understanding the complex pathophysiological cascades triggered by ischemia9,10. Excitotoxicity, apoptosis, peri-infarct depolarization, and inflammation have been identified as the most relevant mediators of cell death following focal cerebral ischemia. Moreover, using animal models of cerebral ischemia, important concepts, diagnostic modalities, and therapeutic approaches have been developed and validated (e.g., "penumbra" and thrombolysis)11.
The availability of experimental stroke models, combined with non-invasive imaging modalities (e.g., magnetic resonance imaging (MRI), computed tomography, or laser speckle contrast analysis), enables the researcher to investigate hyperacute and chronic pathophysiological changes induced by the ischemic insult in a longitudinal manner12. Along with studying the spatiotemporal profile of the evolving lesion, changes resembling neuronal plasticity can be investigated and correlated to functional outcomes and histological findings. Within the last few years, further methodological advances have been made using the combination of cerebral ischemia models and in vivo microscopy via cranial windows13. These new techniques allow investigators to analyze the neurovascular unit at the cellular and molecular level, with great analytic power in the acute, subacute, and chronic phases following focal cerebral ischemia14. Moreover, in vivo microscopy imaging of microcirculatory dynamics has revealed novel aspects of cerebral microvasculature function and angioarchitecture, with significant pathophysiological relevance15-17. 
In this protocol, we present how to perform a chronic CW preparation lateral to the sagittal sinus and how to surgically induce a distal stroke underneath the window. This mouse model can be applied to sequential imaging of acute, subacute, and chronic changes following focal cerebral ischemia via epi-illuminating, confocal laser scanning, and two-photon intravital microscopy.

<table border="1" fo:keep-together.within-page="1" fo:keep-with-next.within-page="always">
	<tbody>
		<tr>
			<td>Binocular surgical microscope</td>
			<td>Zeiss</td>
			<td>Stemi 2000 C</td>
			<td></td>
		</tr>
		<tr>
			<td>Light source for microscope</td>
			<td>Zeiss</td>
			<td>CL 6000 LED</td>
			<td></td>
		</tr>
		<tr>
			<td>Heating pad with rectal probe</td>
			<td>FST</td>
			<td>21061-10</td>
			<td></td>
		</tr>
		<tr>
			<td>Stereotactic frame</td>
			<td>Kopf</td>
			<td>Model 930</td>
			<td></td>
		</tr>
		<tr>
			<td>Anaethesia system for isoflurane</td>
			<td>Draeger</td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>Isoflurane</td>
			<td>Abott</td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>Dumont forceps #5</td>
			<td>FST</td>
			<td>11251-10</td>
			<td></td>
		</tr>
		<tr>
			<td>Dumont forceps #7</td>
			<td>FST</td>
			<td>11271-30</td>
			<td></td>
		</tr>
		<tr>
			<td>Bipolar Forceps</td>
			<td>Erbe</td>
			<td>20195-501</td>
			<td></td>
		</tr>
		<tr>
			<td>Bipolar Forceps&#160;</td>
			<td colspan="2">Erbe&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; 20195-022</td>
			<td></td>
		</tr>
		<tr>
			<td>Microdrill</td>
			<td colspan="2">FST&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; 18000-17&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</td>
			<td></td>
		</tr>
		<tr>
			<td>Needle holder</td>
			<td>FST</td>
			<td>12010-14</td>
			<td></td>
		</tr>
		<tr>
			<td>5-0 silk suture</td>
			<td>Feuerstein, Suprama</td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>7-0 silk suture</td>
			<td>Feuerstein,Suprama</td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>8-0 silk suture</td>
			<td>Feuerstein, Suprama</td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>Veterinary Recovery Chamber</td>
			<td>Peco Services</td>
			<td>V1200</td>
			<td></td>
		</tr>
	</tbody>
</table>

lateral chronic cranial window preparation enables in vivo observation following distal middle cerebral artery occlusion in mice

局灶性脑缺血（即缺血性中风）可能会导致重大的脑损伤，导致神经功能严重受损并因此导致运动和认知障碍的主机。它的高患病率带来了严重的健康负担，中风是长期的伤残和死亡全世界1的主要原因之一。神经功能的恢复是，在大多数情况下，只有部分。迄今为止，治疗选择是非常有限的，尤其是由于对溶栓2,3窄时间窗。确定的方法来加速从中风复苏仍尖端医疗的目标;然而，这已经阻碍了机械见解不足到恢复过程。试验行程研究者经常使用局灶性脑缺血啮齿动物模型。除了急性期，中风的研究越来越集中于亚急性期和慢性期脑缺血。大多数研究者中风申请永久或TRAN在小鼠或大鼠大脑中动脉闭塞过性。在患者中，MCA的闭塞是缺血性中风4的最常见的原因之一。除了使用灯丝模型MCA的近端闭塞，远端MCA的外科闭塞可能是在实验性卒中研究5中最常用的模型。远端（到lenticulo-纹动脉的分支）马华支闭塞通常免去了纹状体和主要影响大脑皮层。血管闭塞可以是永久的或暂时的。相对于长期预后病变体积和非常低的死亡率高重复性是这种模式的主要优点。在这里，我们将演示如何进行慢性颅窗口（CW）准备外侧为矢状窦，事后如何手术诱导采用开颅手术方法的窗口下方的远端行程。这种方法可应用于以下通过缺血的急性和慢性的变化序列成像外延照射，共焦激光扫描，和双光子活体显微镜。

时间轴和有代表性的结果示于图2和3。颅窗口制备，用小颅窗口外侧上矢状窦（ 图2 B，C，D）的结果在由有经验的外科医生进行的时非常低的死亡率和发病率。所有10只动物存活，所有慢性的CW可用于高质量成像，甚至手术后28天。有一个与伤口感染或其他并发症没有问题。 由于短曝光挥发...

Watch this Scientific Journal Video about Lateral Chronic Cranial Window Preparation Enables In Vivo Observation Following Distal Middle Cerebral Artery Occlusion in Mice at JoVE.com

Lateral Chronic Cranial Window Preparation Enables In Vivo Observation Following Distal Middle Cerebral Artery Occlusion in Mice

远端大脑中动脉分支（缺血）的手术闭塞是实验性卒中研究常用的模式。该原稿描述永久MCAO的基本技术，有横向颅窗口的插入，这提供了在小鼠中纵向活体显微镜的机会相结合。

横向慢性颅窗口准备启用<em&gt;在体内</em&gt;观察继末节小鼠大脑中动脉闭塞

Focal cerebral ischemia (i.e., ischemic stroke) may cause major brain injury, leading to a severe loss of neuronal function and consequently to a host of ...

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Lateral Chronic Cranial Window Preparation Enables In Vivo Observation Following Distal Middle Cerebral Artery Occlusion in Mice

Focal Cerebral Ischemia Model by Endovascular Suture Occlusion of the Middle Cerebral Artery in the Rat

焦距脑缺血模型大鼠大脑中动脉的血管内缝合闭塞

Stroke is the leading cause of disability and the third leading cause of death in adults worldwide1. In human stroke, there exists a highly variable ...

科研

神经科学

Dual Electrophysiological Recordings of Synaptically-evoked Astroglial and Neuronal Responses in Acute Hippocampal Slices

双突触诱发的星形胶质细胞和神经元的反应，在急性海马脑片电生理记录

Astrocytes form together with neurons tripartite synapses, where they integrate and modulate neuronal activity. Indeed, astrocytes sense neuronal inputs ...

Piezo High Accuracy Surgical Osteal Removal (PHASOR): A Technique for Improved Cranial Window Surgery in Mice

Piezo High Accuracy Surgical Osteal Removal PHASOR: A Technique for Improved Cranial Window Surgery in Mice

压电高精度手术骨切除 (相量): 改进小鼠颅骨窗手术的技术

Multiphoton microscopy has been widely adapted for imaging neurons in vivo. Repeated imaging requires implantation of a cranial window or repeated ...

Modeling Stroke in Mice: Transient Middle Cerebral Artery Occlusion via the External Carotid Artery

模拟小鼠中风：通过颈外动脉的短暂性脑中动脉闭塞

Stroke is the third most common cause of mortality and the leading cause of acquired adult disability in developed countries. To date, therapeutic options ...

Implantation of a Cranial Window for Repeated In Vivo Imaging in Awake Mice

Implantation of a Cranial Window for Repeated In Vivo Imaging in Awake Mice

植入颅窗以在清醒小鼠 中重复体内 成像

To fully understand the cellular physiology of neurons and glia in behaving animals, it is necessary to visualize their morphology and record their ...

Construction and Implementation of Carbon Fiber Microelectrode Arrays for Chronic and Acute In Vivo Recordings

Construction and Implementation of Carbon Fiber Microelectrode Arrays for Chronic and Acute In Vivo Recordings

用于慢性和急性体内记录的碳纤维微电极阵列 的 构建和实现

Multichannel electrode arrays offer insight into the working brain and serve to elucidate neural processes at the single-cell and circuit levels. ...

A Model for Encephalomyosynangiosis Treatment after Middle Cerebral Artery Occlusion-Induced Stroke in Mice

小鼠脑中动脉闭塞诱导脑卒中后脑肌粘连血管病治疗模型

There is no effective treatment available for most patients suffering with ischemic stroke, making development of novel therapeutics imperative. The ...

In Vivo Wide-Field and Two-Photon Calcium Imaging from a Mouse Using a Large Cranial Window

In Vivo Wide-Field and Two-Photon Calcium Imaging from a Mouse Using a Large Cranial Window

体内 使用大颅窗的小鼠宽场和双光子钙成像

Wide-field calcium imaging from the mouse&#39;s neocortex allows one to observe cortex-wide neural activity related to various brain functions. On the ...

Assessment of Thermal Damage from Robot-Drilled Craniotomy for Cranial Window Surgery in Mice

机器人钻孔开颅术对小鼠颅窗手术热损伤的评估

Cranial window surgery allows for the imaging of brain tissue in live mice with the use of multiphoton or other intravital imaging techniques. However, ...

Establishing a Transcranial Middle Cerebral Artery Occlusion Mice Model

A Modified Transcranial Middle Cerebral Artery Occlusion Model to Study Stroke Outcomes in Aged Mice

Innovative Techniques and Future Directions in Stroke Research (Video) | JoVE

改进的经颅大脑中动脉闭塞模型研究老年小鼠脑卒中结局

In experimental stroke research, middle cerebral artery occlusion (MCAO) with an intraluminal filament is widely used to model ischemic stroke in mice. ...