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| Titel: |
The effects of Neotrofin™ on septodentate sprouting after unilateral entorhinal cortex lesions in rats |
| Auteur: |
J.J. Ramirez T. Parakh M.N. George L. Freeman A.A. Thomas C.C. White A. Becton |
| Verschenen in: |
Restorative neurology and neuroscience |
| Paginering: | Jaargang 20 (2002) nr. 1-2 pagina's 51-59 |
| Jaar: |
2002-09-16 |
| Inhoud: |
{\it Purpose:} Recent research on the purine derivative of hypoxanthine Neotrofin™ (4-[[3-(1,6-dihydro-6-oxo-9-purin-9-yl)-1-oxopropyl]amino]benzoic acid; AIT-082) has indicated that Neotrofin treatment elevates the mRNA levels of various neurotrophic factors, including nerve growth factor (NGF), in the CNS. Several previous studies have indicated that NGF may regulate septodentate sprouting after entorhinal cortex lesions in rats. Thus, the objective of this investigation was to determine whether Neotrofin treatment would enhance lesion-induced septodentate sprouting from 4 to 15 days postlesion. {\it Methods:} Sham-operated rats or rats with EC lesions were injected (i.p.) with either Neotrofin (30 mg/kg) or saline (0.9%) immediately after surgery and every day thereafter until the end of the treatment regimen. Septodentate sprouting, as indicated by intensity of acetylcholinesterase (AChE) label in the dentate gyrus, was assessed with optical densitometry. {\it Results:} We observed that Neotrofin elevated the AChE-label in the outer molecular layer of the ventral dentate gyrus at 4 days postlesion and of the dorsal dentate gyrus at 15 days postlesion. {\it Conclusions:} Neotrofin appears to have exerted limited stimulatory effects on lesion-induced sprouting by a cholinergic pathway. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 35 van 37 gevonden artikelen
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