Journal of neuroscience methods · 2014
The IBB forelimb scale as a tool to assess functional recovery after peripheral nerve injury in mice.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Speck Ana Elisa, Ilha Jocemar, do Espírito Santo Caroline Cunha, Aguiar Aderbal Silva, Dos Santos Adair Roberto Soares, Swarowsky Alessandra
Аннотация
BACKGROUND: This study was conducted to test whether the IBB Forelimb Scale (Irvine et al., 2010) which was originally developed for rats with spinal cord injury, is also capable of measuring the functional performance of Swiss mice with lesions of the median and ulnar nerves inflicted via crushing with standardized strength.
NEW METHOD: This test was performed at days 1, 3, 7, 10, 14 and 21 after surgery and each animal gives a score of 9, where 0 represented the worst functionality and 9 represented the habitual behavior.
RESULTS: The control animals usually exhibited movements in the task that were scored as 9 during the experimental period. The lesion group began with a score of 2 on the 1st and 3rd post-operative days. On the 7th and 10th postoperative days, respectively, they scored 7, and on the 14th post-operative day, they achieved a score of 8. Only on the 21st post-operative day, did they exhibit habitual skillful behaviors.
COMPARISON WITH EXISTING METHOD(S): IBB Forelimb Scale is effective for determining how the animals perform the movements in detail, which is not readily revealed by other methods. Furthermore, this test show similar recovery periods with grasping test, staircase test and seems to be more sensitive than paw print analysis for this type of lesion.
CONCLUSIONS: Our data demonstrate that IBB scale was capable of measuring gradual improvements in motor forelimb functions in this model and may be a new and effective assessment tool for peripheral nerve injury.
NEW METHOD: This test was performed at days 1, 3, 7, 10, 14 and 21 after surgery and each animal gives a score of 9, where 0 represented the worst functionality and 9 represented the habitual behavior.
RESULTS: The control animals usually exhibited movements in the task that were scored as 9 during the experimental period. The lesion group began with a score of 2 on the 1st and 3rd post-operative days. On the 7th and 10th postoperative days, respectively, they scored 7, and on the 14th post-operative day, they achieved a score of 8. Only on the 21st post-operative day, did they exhibit habitual skillful behaviors.
COMPARISON WITH EXISTING METHOD(S): IBB Forelimb Scale is effective for determining how the animals perform the movements in detail, which is not readily revealed by other methods. Furthermore, this test show similar recovery periods with grasping test, staircase test and seems to be more sensitive than paw print analysis for this type of lesion.
CONCLUSIONS: Our data demonstrate that IBB scale was capable of measuring gradual improvements in motor forelimb functions in this model and may be a new and effective assessment tool for peripheral nerve injury.