<meta charset="utf8"></head><body>建立三叉神经性疼痛的小鼠模型

<ol>
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E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=What+should+we+be+measuring+in+behavioral+studies+of+chronic+pain+in+animals.">What should we be measuring in behavioral studies of chronic pain in animals.</a> Pain. 112, 12-15 (2004).</li><li>Vierck, C. J., Campbell, J. N., 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=Animal+Studies+of+Pain:+Lessons+for+Drug+Development.">Animal Studies of Pain: Lessons for Drug Development.</a> Emerging Strategies for the Treatment of Neuropathic Pain. , (2006).</li><li>Deseure, K., Adriaensen, H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Nonevoked+facial+pain+in+rats+following+infraorbital+nerve+injury+a+parametric+analysis.">Nonevoked facial pain in rats following infraorbital nerve injury a parametric analysis.</a> Physiol Behav. 81 (4), 595-604 (2004).</li><li>Deseure, K., Hans, G. H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Chronic+constriction+injury+of+the+rat's+infraorbital+nerve+(IoN-CCI)+to+study+trigeminal+neuropathic+pain.">Chronic constriction injury of the rat's infraorbital nerve (IoN-CCI) to study trigeminal neuropathic pain.</a> J Vis Exp. (103), e53167 (2015).</li><li>Mogil, J. S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Animal+models+of+pain:+progress+and+challenges.">Animal models of pain: progress and challenges.</a> Nat Rev Neurosci. 10 (4), 283-294 (2009).</li><li>Wilson, S. G., Mogil, J. S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Measuring+pain+in+the+(knockout)+mouse:+big+challenges+in+a+small+mammal.">Measuring pain in the (knockout) mouse: big challenges in a small mammal.</a> Behav Brain Res. 125 (1-2), 65-73 (2001).</li><li>Ding, W., 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=An+improved+rodent+model+of+trigeminal+neuropathic+pain+by+unilateral+chronic+constriction+injury+of+distal+infraorbital+nerve.">An improved rodent model of trigeminal neuropathic pain by unilateral chronic constriction injury of distal infraorbital nerve.</a> J Pain. 18 (8), 899-907 (2017).</li><li>Hardt, S., Fischer, C., Vogel, A., Wilken-Schmitz, A., Tegeder, I. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Distal+infraorbital+nerve+injury:+a+model+for+persistent+facial+pain+in+mice.">Distal infraorbital nerve injury: a model for persistent facial pain in mice.</a> Pain. 160 (6), 1431-1447 (2019).</li><li>Krzyzanowska, A., Avenda&#241;o, C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Behavioral+testing+in+rodent+models+of+orofacial+neuropathic+and+inflammatory+pain.">Behavioral testing in rodent models of orofacial neuropathic and inflammatory pain.</a> Brain Behav. 2 (5), 678-697 (2012).</li><li>Martin, Y. B., Malmierca, E., Avenda&#241;o, C., Nu&#241;ez, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Neuronal+disinhibition+in+the+trigeminal+nucleus+caudalis+in+a+model+of+chronic+neuropathic+pain.">Neuronal disinhibition in the trigeminal nucleus caudalis in a model of chronic neuropathic pain.</a> Eur J Neurosci. 32 (3), 399-408 (2010).</li><li>Deseure, K., Hans, G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Behavioral+study+of+non+evoked+orofacial+pain+following+different+types+of+infraorbital+nerve+injury+in+rats.">Behavioral study of non evoked orofacial pain following different types of infraorbital nerve injury in rats.</a> Physiol Behav. 138, 292-296 (2015).</li><li>Vuralli, D., Wattiez, A. S., Russo, A. F., Bolay, H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Behavioral+and+cognitive+animal+models+in+headache+research.">Behavioral and cognitive animal models in headache research.</a> J Headache Pain. 20 (1), 11 (2019).</li><li>Krzyzanowska, A., 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+nociceptive+sensitivity+in+mouse+models+of+inflammatory+and+neuropathic+trigeminal+pain.">Assessing nociceptive sensitivity in mouse models of inflammatory and neuropathic trigeminal pain.</a> J Neurosci Methods. 201 (1), 46-54 (2011).</li></ol>

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	<tbody>
		<tr>
			<td>Chromic catgut (6-0)</td>
			<td>Dynek&#160;</td>
			<td>CG602D</td>
			<td>ligatures</td>
		</tr>
		<tr>
			<td>Cotton applicator</td>
			<td>Pharmacy</td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>Digital video camera</td>
			<td>Sony</td>
			<td>HDR-CX330E</td>
			<td></td>
		</tr>
		<tr>
			<td>Dumont #5 forceps</td>
			<td>Fine Science Tools</td>
			<td>11251-10</td>
			<td></td>
		</tr>
		<tr>
			<td>Dumont forceps - Micro-blunted tips (#5/45)</td>
			<td>Fine Science Tools</td>
			<td>11253-25</td>
			<td></td>
		</tr>
		<tr>
			<td>Duratears</td>
			<td>Alcon</td>
			<td>0037-820</td>
			<td>ophthalmic ointment</td>
		</tr>
		<tr>
			<td>Hooked ligation aid</td>
			<td>Fine Science Tools</td>
			<td>18062-12</td>
			<td></td>
		</tr>
		<tr>
			<td>Ketalar</td>
			<td>Pfizer</td>
			<td></td>
			<td>ketamine (50 mg/mL)</td>
		</tr>
		<tr>
			<td>Operation microscope</td>
			<td>Kaps</td>
			<td>SOM 62</td>
			<td></td>
		</tr>
		<tr>
			<td>Precision cotton swab</td>
			<td>Qosina</td>
			<td>10225</td>
			<td></td>
		</tr>
		<tr>
			<td>Precision trimmer</td>
			<td>Philips</td>
			<td>HP6392/00</td>
			<td></td>
		</tr>
		<tr>
			<td>Rompun</td>
			<td>Bayer</td>
			<td></td>
			<td>xylazine (2%)</td>
		</tr>
		<tr>
			<td>Scissors - blunt tips</td>
			<td>Fine Science Tools</td>
			<td>14574-09</td>
			<td></td>
		</tr>
		<tr>
			<td>Semmes-Weinstein Von Frey Aesthesiometer kit</td>
			<td>Stoelting</td>
			<td>58011</td>
			<td></td>
		</tr>
		<tr>
			<td>Vicryl Rapide</td>
			<td>Ethicon</td>
			<td>MPVR489H</td>
			<td>sutures</td>
		</tr>
	</tbody>
</table>

chronic constriction injury of the distal infraorbital nerve (dion-cci) in mice to study trigeminal neuropathic pain

Watch this Scientific Journal Video about Utilizing Infraorbital Nerve Ligation in Mice for Investigating Trigeminal Neuropathic Pain and Treatment Strategies at JoVE.com

<meta charset="utf8"></head><body>作者聚焦：利用小鼠眶下神经结扎术研究三叉神经性疼痛和治疗策略

小鼠远端眶下神经慢性缩窄损伤 （DIoN-CCI） 研究三叉神经性疼痛

Animal models remain necessary tools to study neuropathic pain. This manuscript describes the distal infraorbital nerve chronic constriction injury ...

chronic-constriction-injury-distal-infraorbital-nerve-dion-cci-mice

Research

JoVE Journal

Neuroscience

Chronic Constriction Injury of the Distal Infraorbital Nerve (DIoN-CCI) in Mice to Study Trigeminal Neuropathic Pain

1.2K 次观看.  University of Antwerp. 该程序的总体目标是对小鼠进行眶下神经损伤，以研究三叉神经性疼痛的发展并测试新的治疗策略。眶下神经结扎后的孤立期梳理行为是研究自发性神经性疼痛的少数动物模型之一。但长期以来，由于进行眶下神经结扎术的复杂性，它的使用一直受到阻碍。与基于感觉反射的疼痛测试相比，例如来自热或冷刺激的磨损或戒断反应，考虑到这是影...

视频: 作者聚焦：利用小鼠眶下神经结扎术研究三叉神经性疼痛和治疗策略

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

Injury to the optic nerve can lead to axonal degeneration, followed by a gradual death of retinal ganglion cells (RGCs), which results in irreversible vision loss. Examples of such diseases in human include traumatic optic neuropathy and optic nerve degeneration in glaucoma. It is characterized by typical changes in the optic nerve head, progressive optic nerve degeneration, and loss of retinal ganglion cells, if uncontrolled, leading to vision loss and blindness.
The optic nerve crush (ONC) injury mouse model is an important experimental disease model for traumatic optic neuropathy, glaucoma, etc. In this model, the crush injury to the optic nerve leads to gradual retinal ganglion cells apoptosis. This disease model can be used to study the general processes and mechanisms of neuronal death and survival, which is essential for the development of therapeutic measures. In addition, pharmacological and molecular approaches can be used in this model to identify and test potential therapeutic reagents to treat different types of optic neuropathy.
Here, we provide a step by step demonstration of (I) Baseline retrograde labeling of retinal ganglion cells (RGCs) at day 1, (II) Optic nerve crush injury at day 4, (III) Harvest the retinae and analyze RGC survival at day 11, and (IV) Representative result.

This protocol shows how to retrogradely label retinal ganglion cells, and how to subsequently make an optic nerve crush injury in order to analyze retinal ganglion cell survival and apoptosis. It is an experimental disease model for different types of optic neuropathy, including glaucoma.

一个视神经挤压伤的小鼠模型，研究视网膜神经节细胞生存

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

科研

神经科学

Automated Gait Analysis in Mice with Chronic Constriction Injury

The von Frey test is a classical method that has been widely used to examine the sensory function of neuropathic pain animals. However, it has some disadvantages such as subjective data and the requirement of a skilled, experienced experimenter. To date, a variety of modifications have improved the von Frey method, but it still has a few limitations. Recent reports have suggested that gait analysis produces more accurate and objective data from the neuropathic animals. This protocol demonstrates how to perform the automated gait analysis to determine the degree of neuropathic pain in mice. After several days of acclimation, the mice were allowed to walk freely on the glass floor to illuminate footprints. Then, quantification of the footprints and gait were performed through video clips with automatic analysis of various walking parameters, such as area of paw print, swing time, angle of paw, etc.
The main purpose of this study is to describe the methodology of automated gait analysis and briefly compare it with data from the classical sensory test using von Frey filament.

The precise assessment of pain response in a neuropathic animal model is critical to investigate the pathophysiology of pain diseases and develop new analgesics. We present a sensitive and objective method to determine the sensory function of the rodent hind paw by an automated gait analysis system.

慢性压迫性损伤小鼠步态的自动分析

The von Frey test is a classical method that has been widely used to examine the sensory function of neuropathic pain animals. However, it has some ...

Burn Injury-Induced Pain and Depression-Like Behavior in Mice

Scalding water is the most common cause of burn injury in both elderly and young populations. It is one of the major clinical challenges because of the high mortality and sequelae in low- and middle-income countries. Burns frequently induce intense spontaneous pain and persistent allodynia as well as life-threatening problem. More importantly, excessive pain is often accompanied by depression, which may significantly decrease the quality of life. This article shows how to develop an animal model for the study of burn-induced pain and depression-like behavior. After anesthesia, burn injury was induced by dipping one hind paw of the mouse into hot water (65 &#176;C &plusmn; 0.5 &#176;C) for 3 s. The von Frey test and automated gait analysis were performed every 2 days after burn injury. In addition, depression-like behavior was examined using the forced swimming test, and the rota-rod test was performed to differentiate the abnormal motor function after burn injury. The main purpose of this study is to describe the development of an animal model for the study of burn injury-induced pain and depression-like behavior in mice.

A transient scald injury (65 &#176;C &plusmn; 0.5 &#176;C, 3 s) of one hind paw decreases the threshold (g) to von Frey filament stimulation of the ipsilateral side and alters gait pattern. Besides, burn injury induces depression-like behavior in the forced swimming test.

烧伤诱导的疼痛和小鼠抑郁样行为

Scalding water is the most common cause of burn injury in both elderly and young populations. It is one of the major clinical challenges because of the ...

Modified Spared Nerve Injury Surgery Model of Neuropathic Pain in Mice

Spared nerve injury (SNI) is an animal model that mimics the cardinal symptoms of peripheral nerve injury for studying the molecular and cellular mechanism of neuropathic pain in mice and rats. Currently, there are two types of SNI model, one to cut and ligate the common peroneal and the tibial nerves with intact sural nerve, which is defined as SNIs in this study, and another to cut and ligate the common peroneal and the sural nerves with intact tibial nerve, which is defined as SNIt in this study. Because the sural nerve is purely sensory whereas the tibial nerve contains both motor and sensory fibers, the SNIt model has much less motor deficit than the SNIs model. In the traditional SNIt mouse model, the common peroneal and the sural nerves are cut and ligated separately. Here a modified SNIt surgery method is described to damage both common peroneal and sural nerves with only one ligation and one cut with a shorter procedure time, which is easier to perform and reduces the potential risk of stretching the sciatic or tibial nerves, and produces similar mechanical hypersensitivity as the traditional SNIt model.

<meta charset="utf8"></head><body>改良的小鼠神经性疼痛备用神经损伤手术模型

The modified surgery is a simplified method for mouse or rat spared nerve injury model that requires only one ligation and one cut to injure both common peroneal and sural nerves.

改良的小鼠神经性疼痛备用神经损伤手术模型

Spared nerve injury (SNI) is an animal model that mimics the cardinal symptoms of peripheral nerve injury for studying the molecular and cellular ...

Mechanical Conflict-Avoidance Assay to Measure Pain Behavior in Mice

Pain comprises of both sensory (nociceptive) and affective (unpleasant) dimensions. In preclinical models, pain has traditionally been assessed using reflexive tests that allow inferences regarding pain's nociceptive component but provide little information about the affective or motivational component of pain. Developing tests that capture these components of pain are therefore translationally important. Hence, researchers need to use non-reflexive behavioral assays to study pain perception at that level. Mechanical conflict-avoidance (MCA) is an established voluntary non-reflexive behavior assay, for studying motivational responses to a noxious mechanical stimulus in a 3 chamber paradigm. A change in a mouse's location preference, when faced with competing noxious stimuli, is used to infer the perceived unpleasantness of bright light versus tactile stimulation of the paws. This protocol outlines a modified version of the MCA assay which pain researchers can use to understand affective-motivational responses in a variety of mouse pain models. Though not specifically described here, our example MCA data use the intraplantar complete Freund's adjuvant (CFA), spared nerve injury (SNI), and a fracture/casting model as pain models to illustrate the MCA procedure.

The mechanical conflict-avoidance assay is used as a non-reflexive readout of pain sensitivity in mice which can be used to better understand affective-motivational responses in a variety of mouse pain models.

机械冲突避免测定测量小鼠疼痛行为

Pain comprises of both sensory (nociceptive) and affective (unpleasant) dimensions. In preclinical models, pain has traditionally been assessed using ...

远端中动脉闭塞开发缺血性卒中小鼠模型

Induction of Acute Ischemic Stroke in Mice Using the Distal Middle Artery Occlusion Technique

Ischemic stroke remains the predominant cause of mortality and functional impairment among the adult populations globally. Only a minority of ischemic stroke patients are eligible to receive intravascular thrombolysis or mechanical thrombectomy therapy within the optimal time window. Among those stroke survivors, around two-thirds suffer neurological dysfunctions over an extended period. Establishing a stable and repeatable experimental ischemic stroke model is extremely significant for further investigating the pathophysiological mechanisms and developing effective therapeutic strategies for ischemic stroke. The middle cerebral artery (MCA) represents the predominant location of ischemic stroke in humans, with the MCA occlusion serving as the frequently employed model of focal cerebral ischemia. In this protocol, we describe the methodology of establishing the distal MCA occlusion (dMCAO) model through transcranial electrocoagulation in C57BL/6 mice. Since the occlusion site is located at the cortical branch of MCA, this model generates a moderate infarcted lesion restricted to the cortex. Neurological behavioral and histopathological characterization have demonstrated visible motor dysfunction, neuron degeneration, and pronounced activation of microglia and astrocytes in this model. Thus, this dMCAO mouse model provides a valuable tool for investigating the ischemiastroke and worth of popularization.

作者聚焦：在小鼠中建立可靠的远端 MCA 闭塞模型用于中风研究

Here, we present a protocol to establish a distal middle cerebral artery occlusion (dMCAO) model through transcranial electrocoagulation in C57BL/6J mice and evaluate the subsequent neurological behavior and histopathological features.

使用远端中动脉闭塞技术诱导小鼠急性缺血性卒中

Ischemic stroke remains the predominant cause of mortality and functional impairment among the adult populations globally. Only a minority of ischemic ...

<meta charset="utf8"></head><body>评估推拿疗法对慢性缩窄大鼠的疼痛缓解效果

Characteristics of Pain Changes in Rats with Nerve Injury Within 24 hours After One-Time Tuina Intervention

Tuina, as an external treatment method of traditional Chinese medicine, has been proven to have an analgesic effect on peripheral neuropathic pain (pNP) in clinical and basic research. However, the optimal time point for the analgesic effect of tuina may vary according to different injury sensations, affecting the exploration of the initiation mechanism of tuina analgesia. 
The research used minor chronic constriction injury (minor CCI) model rats to simulate pNP and used the intelligent tuina manipulation simulator to simulate the three methods (point-pressing, plucking, and kneading) and three acupoints (Yinmen BL37, Chengshan BL57, and Yanglingquan GB34) for performing tuina therapy. The study evaluated the changes in pain within 24 h and the optimal time point for the efficacy of tuina analgesia in rats with minor CCI models by testing cold sensitivity threshold (CST), mechanical withdrawal threshold (MWT), and thermal withdrawal latency (TWL). Furthermore, the study evaluated IL-10 and TNF-&#945; expression changes through Elisa detection. The results show that tuina has both immediate and sustained analgesic effects. For the three different injury sensitivity thresholds of CST, MWT, TWL, and two cytokines of IL-10 and TNF-&#945;, the analgesic efficacy of tuina within 24 h after intervention is significantly different at different time points.

<meta charset="utf8"></head><body>作者聚焦：探索神经损伤大鼠“三法三穴”推拿镇痛的启动机制

We present a protocol using the tuina manipulation simulator to perform the "Three-Manipulation and Three-Acupoint" tuina therapy for minor chronic constriction injury rats and evaluate the effective analgesic time points of tuina within 24 h by testing pain changes through behavioral analysis and changes in inflammatory factor expression using enzyme-linked immunosorbent assay.

神经损伤大鼠1次推拿干预后24 h内疼痛变化特征

Tuina, as an external treatment method of traditional Chinese medicine, has been proven to have an analgesic effect on peripheral neuropathic pain (pNP) ...

小鼠远端眶下神经慢性缩窄损伤 （DIoN-CCI） 研究三叉神经性疼痛

小鼠远端眶下神经慢性缩窄损伤（DIoN-CCI）研究三叉神经性疼痛