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Daeng, Bonaventura Handoko
Malang Neurology Journal
Neuroscience

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EFFECTS OF ACUTE STRESS DURATION ON THE RAT BRAIN MAST CELL ACTIVATION Paundralingga, Obed Trinurcahyo Kinantyo; Darkim, Darmawan; Munir, Badrul; Daeng, Bonaventura Handoko
Malang Neurology Journal Vol 3, No 2 (2017): July
Publisher : Malang Neurology Journal

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (429.995 KB) | DOI: 10.21776/ub.mnj.2017.003.02.4

Abstract

Background. Stress of varying duration and types are known to affect the number and activation level of cerebral mast cells (MCs) via plasma CRH. Although MC number is known not to be increased in acute stress, elevated plasma CRH might still activate brain MCs.Objective. To investigate the effect of acute stress of incremental duration to the activation level of thalamic and hippocampal mast cells using elevated platform test to elicit stress in male Wistar rats.Methods. This research used randomized post-test only control group design with 4 control group of 30, 60, and 90 minute stress exposure. Mast cell activation of the regiotalamus and hippocampus is assessed by histomorphometrics.Results. In the hippocampus, we found a significant difference of MC activation between control and experimental groups (p=0.014; p<0.05) but not among the incremental duration of acute stress. However, MC activation was not different between control and experimental groups in the thalamus.Conclusion. Acute stress exposure increases MC activation without recruiting further MCs in specific cerebral region but the duration of acute stress itself does not affect the activation level.
Co-Authors Badrul Munir, Badrul Darkim, Darmawan Paundralingga, Obed Trinurcahyo Kinantyo