Name: use of rotorod as a method for the qualitative analysis of walking in rat
Uploaded: 2008-12-10T00:00:00
Description: Watch this Scientific Journal Video about Use of Rotorod as a Method for the Qualitative Analysis of Walking in Rat at JoVE.com

Kanada Sağlık Araştırma, Kanada İnme Network ve Tıbbi Araştırma Alberta Heritage Vakfı Enstitüleri hibe ile desteklenir.

Rotorod yürüme aparatı Rotorod dönen bir silindir, 4 cm, çapı 35 cm yerden sabit ve şeffaf pleksiglas çevrili idi. Rotorod silindir çekiş kolaylaştırır dokulu kauçuk kaplama, kaplıydı. Cihazların katında hayvanların düştü sırasında yaralanmaları önlemek için köpük tabakası ile kaplıydı. Küçük bir elektrikli motor, lastik bir bant ile rotorod açmak için güç sağladı. Rotorod her 5 saniyede bir kez döndürmek için kuruldu Video k...

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Bu çalışmanın amacı, kemirgen lokomosyon beceri rotorod testi duruş niteliksel inceleme, ön ayakları adımlama ve sinir sistemi yaralı sıçanlarda arka bacak adım için kullanılabilir olup olmadığını incelemektir. Analizi için, tek taraflı DA tükenişleri ve kontrol sıçanlarda fareler, ön, yan ve arka görünümleri kaydedilen video. Duruş ve ön ayakları hareketleri bir derecelendirme ölçeği adım hareketleri kronik cerrahi sonrası engelli olduğunu belirtti. Bacak hareketlerinin incelenmesi DA-tükenmiş sıça...

A correction was made to: <a href="http://www.jove.com/video/1030/">Use of Rotorod as a Method for the Qualitative Analysis of Walking in Rat</a>. An additional paragraph was added to the discussion, the abstract was modified, and another reference was included.
Additional reference:
15. Whishaw IQ, Li K, Whishaw PA, Gorny B, Metz GA. Distinct forelimb and hind limb stepping impairments in unilateral dopamine-depleted rats: use of the rotorod as a method for the qualitative analysis of skilled walking. J Neurosci Meth 126, 13-23 (2003).
Revised Abstract:
High speed videoanalysis of the details of movement can provide a source of information about qualitative aspects of walking movements. When walking on a rotorod, animals remain in approximately the same place making repetitive movements of stepping. Thus the task provides a rich source of information on the details of foot stepping movements. Subjects were hemi-Parkinson analogue rats, produced by injection of 6-hydroxydopamine (6-OHDA) into the right nigrostriatal bundle to deplete nigrostriatal dopamine (DA). The present report provides a video analysis illustration of animals previously were filmed from frontal, lateral, and posterior views as they walked (15). Rating scales and frame-by-frame replay of the video records of stepping behavior indicated that the hemi-Parkinson rats were chronically impaired in posture and limb use contralateral to the DA-depletion. The contralateral limbs participated less in initiating and sustaining propulsion than the ipsilateral limbs. These deficits secondary to unilateral DA-depletion show that the rotorod provides a use task for the analysis of stepping movements.
Additional Discussion Paragraph:
A more detailed presentation of the present study has been made (Whishaw et al, 2003), but the present study presents the video support describing the stepping movement in the good and affected limbs of unilateral dopamine-depleted rats. For the analysis, rats with unilateral DA depletions and control rats were video recorded from front, lateral and posterior views. A rating scale of posture and forelimb movements indicated that stepping movements were chronically impaired following surgery. Examination of limb movements indicated that whereas the DA-depleted rats could use the limbs contralateral to the lesion for support, they received minimal use for shifting weight. The results of this study indicate that the rotorod task, in addition to providing quantitative measures of motor impairments, can also provide insights into the qualitative impairments.
Original Abstract:
The rotorod test, in which animals walk on a rotating drum, is widely used to assess motor status in laboratory rodents. Performance is measured by the duration that an animal stays up on the drum as a function of drum speed. Here we report that the task provides a rich source of information about qualitative aspects of walking movements. Because movements are performed in a fixed location, they can readily be examined using high-speed video recording methods. The present study was undertaken to examine the potential of the rotorod to reveal qualitative changes in the walking movements of hemi-Parkinson analogue rats, produced by injection of 6-hydroxydopamine (6-OHDA) into the right nigrostriatal bundle to deplete nigrostriatal dopamine (DA). Beginning on the day following surgery and then periodically over the next two months, the rats were filmed from frontal, lateral, and posterior views as they walked on the rotorod. Behavior was analyzed by frame-by-frame replay of the video records. Rating scales of stepping behavior indicated that the hemi-Parkinson rats were chronically impaired in their posture and in the use of the limbs contralateral to the DA-depletion. The contralateral limbs not only displayed postural and movement abnormalities, they participated less in initiating and sustaining propulsion than did the ipsilateral limbs. These findings not only reveal new deficits secondary to unilateral DA-depletion, but also show that the rotorod can provide a robust tool for the qualitative analysis of movement.

A correction was made to: <a href="http://www.jove.com/video/1030/">Use of Rotorod as a Method for the Qualitative Analysis of Walking in Rat</a>. An additional paragraph was added to the discussion, the abstract was modified and another reference was included.

Erratum: Use of Rotorod as a Method for the Qualitative Analysis of Walking in Rat

use of rotorod as a method for the qualitative analysis of walking in rat

Hayvanlar dönen bir tambur üzerinde yürümek rotorod testi, yaygın laboratuar kemirgenler motor durumunu değerlendirmek için kullanılır. Performans, bir hayvan, davul hızının bir fonksiyonu olarak davul üzerinde kalmasını süresi ile ölçülür. Burada görev yürüme hareketleri nitel yönleri hakkında bilgi zengin bir kaynak sağladığını bildirmektedir. Hareketleri sabit bir yerde yapılır çünkü, onlar hemen yüksek hızda video kayıt yöntemleri kullanılarak incelenir olabilir. Bu çalışmada (nigrostriatal dopamin tüketmek için, sağ nigrostriatal paket içine enjeksiyon, 6 hydroxydopamine (6-OHDA) tarafından üretilen hemi-Parkinson analog sıçan, yürüme hareketleri niteliksel değişiklikler ortaya çıkarmak için rotorod potansiyelini incelemek için yapıldı DA .) Gün cerrahi sonrası başlayan ve onlar rotorod üzerinde yürürken daha sonra periyodik olarak önümüzdeki iki ay içinde, fareler, ön, yan ve arka kez çekildi. Davranış kare-kare video kayıtları tekrar analiz edildi. Davranış adım Derecelendirme ölçekleri, hemi-Parkinson sıçanlarda kronik kendi duruş ve DA-tükenmesi kontralateral kol ve bacaklarda kullanımı engelli olduğunu belirtti. Sadece postural ve hareket anormallikleri görüntülenmez kontralateral bacaklarda, ipsilateral bacaklarda daha tahrik başlatılması ve sürdürülmesi daha katıldı. Bu bulgular, sadece tek taraflı DA tükenmesi ikincil yeni açıkları ortaya çıkarmak değil, aynı zamanda rotorod hareketin nitel analiz için güçlü bir araç sağlayabilir olduğunu göstermektedir.

Watch this Scientific Journal Video about Use of Rotorod as a Method for the Qualitative Analysis of Walking in Rat at JoVE.com

Use of Rotorod as a Method for the Qualitative Analysis of Walking in Rat

Rotorod test hemi-Parkinson analog sıçanlarda yürüme hareketi motor durumunu değerlendirmek için kullanılır.

Rotorod Rat Yürüyüş Kalitatif Analiz için bir yöntem olarak kullanımı

High speed videoanalysis of the details of movement can provide a source of information about qualitative aspects of walking movements. When walking on a ...

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