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The Fibrinolytic System in Peripartum Depression
1Hospital Federal dos Servidores do Estado, Ministry of Health, Rio de Janeiro, Brazil.
Seminars in Thrombosis and Hemostasis
|September 16, 2022
Summary
Depression is linked to reduced fibrinolysis, affecting brain plasticity and reward pathways. Restoring fibrinolytic activity through various interventions may help treat depression and its risk factors.
Area of Science:
- Neuroscience
- Biochemistry
- Psychiatry
Background:
- Depression is associated with brain structural changes and impaired neuronal connectivity.
- Tissue plasminogen activator (tPA) and plasmin are crucial for brain remodeling, neurogenesis, and neuronal plasticity.
- tPA and plasmin influence dopamine release, impacting reward processing and motivation.
Purpose of the Study:
- To explore the role of fibrinolysis in brain health and depression.
- To examine the link between hypofibrinolysis and perinatal depression risk factors.
- To review interventions that may restore fibrinolytic activity in depression.
Main Methods:
- Literature review focusing on fibrinolytic status in the brain.
- Analysis of biological markers connecting depression and defective fibrinolysis.
- Examination of risk factors and interventions related to perinatal depression and fibrinolysis.
Main Results:
- Depression correlates with reduced fibrinolytic activity, impacting brain-derived neurotrophic factor (BDNF) levels and dopamine release.
- Hypofibrinolysis is associated with various perinatal depression risk factors.
- Antidepressant medications and lifestyle interventions may improve depression by enhancing fibrinolytic activity.
Conclusions:
- Fibrinolysis plays a significant role in brain remodeling and resilience, not just clot dissolution.
- Defective fibrinolysis is a potential biological marker and contributing factor in depression, particularly perinatal depression.
- Restoring fibrinolytic activity presents a promising therapeutic target for depression.
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