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Title: | Aquaporin-4 overexpression in rat ALS model | Authors: | Nicaise, Charles Shahnawaz Soyfoo, Muhammad Authelet, Michèle De Decker, Robert Bataveljić, Danijela Delporte, Christine Pochet, Roland |
Issue Date: | Feb-2009 | Rank: | M21 | Publisher: | National Library of Medicine | Journal: | Anat Rec (Hoboken). | Volume: | 292 | Issue: | 2 | Start page: | 207 | End page: | 213 | Abstract: | Onset of motoneuron death characterizing amyotrophic lateral sclerosis (ALS) is closely linked to modified astrocytic and glial environments. Here, we show that in the spinal cord from transgenic rat overexpressing mutated human SOD1, aquaporin-4 mRNA and protein are specifically overexpressed in the gray matter at end stage of disease. Immunohistochemistry and double immunofluorescence allowed to detect, in the spinal cord gray matter of the ALS rat, increased aquaporin-4 surrounding both vessel and motoneuron perikarya. The use of pre-embedding immunohistochemistry at electron microscopic level confirmed such localization associated with swollen astrocytic processes surrounding the vessels. The AQP4 immunohistochemical labeling surrounding several motoneuron perikarya was only seen in ALS rats. Identification of this AQP4-positive cellular type remains unclear. |
URI: | https://biore.bio.bg.ac.rs/handle/123456789/5268 | DOI: | 10.1002/ar.20838 |
Appears in Collections: | Journal Article |
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