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How depression may increase cardiac risk: effect of hypercortisolism on platelet activation markers: preliminary data
Réka Baranyai1, Annemarie Nonell, Michael Deuschle
1Central Institute of Mental Health, Mannheim, Germany.
Insights
Hypercortisolism, a condition linked to depression, did not significantly increase platelet activation markers in healthy volunteers. This study investigated hydrocortisone
Area of Science:
- Endocrinology
- Hematology
- Psychiatry
Background:
- Hypercortisolism is prevalent in major depression.
- Elevated cortisol may influence platelet activation.
Purpose of the Study:
- To investigate the effect of induced hypercortisolism on platelet activation markers.
- To assess platelet surface markers and platelet-leukocyte aggregates.
Main Methods:
- Double-blind, placebo-controlled crossover study.
- 9 healthy subjects received hydrocortisone (40 mg/day) or placebo for 7 days.
- Analysis of P-selectin, glycoprotein 53, PAC-1, and platelet-leukocyte aggregates.
Main Results:
- Hydrocortisone did not alter P-selectin, PAC-1, or platelet-leukocyte aggregates.
- A trend towards increased glycoprotein 53 expression was observed (p=0.056).
Conclusions:
- Induced hypercortisolism in healthy individuals did not lead to significant increases in key platelet activation markers.
- Further research may explore subtle changes in specific markers like glycoprotein 53.
Introduction:
Hypercortisolism, as seen in the majority of patients with major depression, may be associated with the generation of platelets that show signs of increased activation.
Methods:
Within a study using a placebo-controlled double-blind cross-over design, 9 healthy subjects ingested hydrocortisone (daily dose = 40 mg) or placebo on 7 consecutive days. At the end of each study segment, we analyzed platelets for the surface activation markers P-selectin, glycoprotein 53, and PAC-1 and measured platelet-leucocyte aggregates in serum.
Results:
Hydrocortisone ingestion was not associated with changes in the platelet activation markers P-selectin and PAC-1 or the number of circulating platelet-leucocyte aggregates but with a trend (p = 0.056) toward higher expression of glycoprotein 53 on the platelet surface.
Conclusions:
Induction of hypercortisolism in healthy volunteers was not associated with a major increase in platelet activation markers.
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