کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4356176 | 1615666 | 2007 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Consequences of unilateral hearing loss: Time dependent regulation of protein synthesis in auditory brainstem nuclei
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کلمات کلیدی
MSOLSOChlMTBAVCNipsi - آنهاCochlear ablation - تخریب کچلرipsilateral - دو طرفهlateral superior olive - زیتون برتر جانبیmedial superior olive - زیتون عالیSham - شامcontra - علیهLeucine metabolism - متابولیسم لوسینmedial nucleus of the trapezoid body - هسته مرکزی بدن تراپزیCochlear Nucleus - هسته کچلرanteroventral cochlear nucleus - هسته کچلیون anteroventralconductive hearing loss - کاهش شنوایی هدایتcontralateral - کنتراستGerbil - گربیل
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
سیستم های حسی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Conductive hearing impairment results in marked changes in neuronal activity in the central auditory system, particularly in young animals [Tucci, D.L., Cant, N.B., Durham, D., 1999. Conductive hearing loss results in a decrease in central auditory system activity in the young gerbil. Laryngoscope 109, 1359-1371]. To better understand the effects of conductive hearing loss (CHL) on cellular metabolism, incorporation of 3H-leucine was used as a measure of protein synthesis in immature postnatal day 21 gerbils subjected to either unilateral CHL by malleus removal or profound sensorineural hearing loss by cochlear ablation. 3H-leucine uptake was measured after survival times of 6 or 48Â h. Protein synthesis values were standardized to measurements from the abducens nucleus and compared with measurements from sham animals at similar age/survival times. Protein synthesis in the medial superior olive (MSO) was found to be significantly down-regulated (bilaterally) after CHL in animals surviving 48Â h. However, 6Â h after CHL manipulation, protein synthesis is up-regulated in MSO (bilaterally) and in the ipsilateral medial nucleus of the trapezoid body.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Hearing Research - Volume 233, Issues 1â2, November 2007, Pages 124-134
Journal: Hearing Research - Volume 233, Issues 1â2, November 2007, Pages 124-134
نویسندگان
K.A. Hutson, D. Durham, D.L. Tucci,