It's acknowledged that AG-1478 a common increase in locomotor actions induces a skewing of latency times measured inside the passive avoidance task, and that tension triggered by i. c. v. injection and anaesthetic agents also affects those parameters.
Horizontal locomotor activity was converted to total ambulatory distance. A pilot research was conducted to examine the impact of tanshinone congeners on ERK phosphorylation. From the pilot research, tanshinone AG-1478 IIA, cryptanshinone, tanshinone I or 15,16dihydrotanshinone I were given 40 min before death. To determine the effects of tanshinone I on the expressions of brain derived neurotrophic factor, phospho CREB and phospho ERK, tanshinone I was also administered 40 min before death. To determine the temporal effects of tanshinone I on pCREB and pERK protein levels, tanshinone I was also given 0, 10, 30, 60, 120, 180 and 240 min before killing the mice. During the main study programme, some mice were killed immediately after the acquisition trial in the passive avoidance task.
5 mgmL1 of bovine serum albumin and 1. 5% ALK Inhibitor normal horse serum, as previously described. The sections were then incubated with biotinylated secondary antibody for 90 min, avidin?biotin?peroxidase complex at room temperature for 1 h. The sections were then reacted with 0. 02% 3,3? diaminobenzidine and 0. 01% H2O2 for about 3 min. Finally, they were mounted on gelatin coated slides, dehydrated in an ascending alcohol series and cleared in xylene. After each incubation step mentioned earlier, the sections were washed three times with PBS. Cell counts in the hippocampal CA1 layer were determined using a computerized image analysis system in six sections per mouse by one person unaware of the treatments given.
Two way ANOVA was ALK Inhibitor used to analyse group interaction, and when results were signicant, Tukeys post hoc test was used to compare treatment groups. Statistical signicance was accepted for P values of 0. 05.
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