کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10972998 | 1107672 | 2016 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Temporal Sequence of Autolysis in the Cerebellar Cortex of the Mouse
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موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
علوم دامی و جانورشناسی
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چکیده انگلیسی
This study examined the temporal sequence of post-mortem changes in the cerebellar cortical granular and Purkinje cell layers of mice kept at a constant ambient temperature for up to 4 weeks. Nuclei of granule cell microneurons became pyknotic early after death, increasing progressively until, by 7 days, widespread nuclear lysis resulted in marked cellular depletion of the granular layer. Purkinje cells were relatively unaltered until about 96Â h post mortem, at which time there was shrinkage and multivacuolation of the amphophilic cytoplasm, nuclear hyperchromasia and, sometimes, a perinuclear clear space. By 7 days, Purkinje cells had hypereosinophilic cytoplasm and frequent nuclear pyknosis. By 2 weeks after death, Purkinje cells showed homogenization, the cytoplasm being uniformly eosinophilic, progressing to a 'ghost-like' appearance in which the cytoplasm had pale eosinophilic staining with indistinct cell boundaries, and nuclei often absent. The results of this study could assist in differentiating post-mortem autolysis from ante-mortem lesions in the cerebellar cortex and determining the post-mortem interval. Moreover, this information could be useful when interpreting brain lesions in valuable mice found dead unexpectedly during the course of biomedical experiments.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Comparative Pathology - Volume 154, Issue 4, May 2016, Pages 323-328
Journal: Journal of Comparative Pathology - Volume 154, Issue 4, May 2016, Pages 323-328
نویسندگان
J.W. Finnie, P.C. Blumbergs, J. Manavis,