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Hippocampal and cortical neuronal damage in the streptozotocin rat model of Alzheimer’s diseases (CROSBI ID 605024)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Knapić, Marina ; Knezović, Ana ; Šimić, Goran ; Šalković-Petrišić, Melita Hippocampal and cortical neuronal damage in the streptozotocin rat model of Alzheimer’s diseases // Clinical Neuropathology 31(4) / Ironside, James (ur.). Edinburgh: British Neuropathological Society, 2012. str. 290-290

Podaci o odgovornosti

Knapić, Marina ; Knezović, Ana ; Šimić, Goran ; Šalković-Petrišić, Melita

engleski

Hippocampal and cortical neuronal damage in the streptozotocin rat model of Alzheimer’s diseases

Introduction: Morphological changes in the brain of the streptozotocin-intracerebroventricularly (STZ-icv) treated rat model of sporadic Alzheimer’s disease (sAD) have been investigated in much lesser extent than the behavioral and neurochemical ones. We have investigated the STZ-icv dose-dependency of rat cortical and hippocampal neuronal damage in the acute and chronic phase following the icv-treatment. Methods: Adult male Wistar rats were administered STZ (0.1, 1 and 3 mg/kg dose) or vehicle (controls) icv injections and sacrificed 1 week and 3 months afterwards. Paraffin-embedded brain sections of pre-mortally fixative perfused animals were analysed by Nissl staining in the parietal cortex (PC), hippocampal regions C1, C2 and dentate gyrus (DG). Positive signal was image analyzed and quantified by “CellSense Dimension”. Statistical significance was tested by Kruskal-Wallis followed by Mann Whitney U test, p<0.05. Results: Nissl staining revealed acute changes in the hippocampal regions only, manifested generally as 25% decrease in cell number in C1 and DG with the highest dose (p<0.05). Three months after the treatment, these values were normalized in comparison to the control, while slight tendency to decrease (-16%) has been found in the cell number in the PC region (p<0.05). Conclusions: These preliminary results suggest that neuronal damage seems to be manifested in the post-treatment- and region-dependent manner in the STZ-icv rat model of sAD, with no particular STZ-icv dose dependency. Acknowledgement: Supported by the Unity Through Knowledge Fund (UKF 64-10) and MZOS

hippocampus; streptozotocin; neuron damage

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Podaci o prilogu

290-290.

2012.

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objavljeno

Podaci o matičnoj publikaciji

Clinical Neuropathology 31(4)

Ironside, James

Edinburgh: British Neuropathological Society

Podaci o skupu

10th European Congress of Neuropathology

poster

06.06.2012-09.06.2012

Edinburgh, Ujedinjeno Kraljevstvo

Povezanost rada

Temeljne medicinske znanosti