Trends in Psychiatry and Psychotherapy
http://www.trends.periodikos.com.br/article/doi/10.47626/2237-6089-2024-0820
Trends in Psychiatry and Psychotherapy
Original Article

Proteomic Insights into Biology of Bipolar Disorder: Implications for Health Complexity and Mortality

Paola Rampelotto Ziani, Marco Antônio de Bastiani, Pietra Paiva Alves, Pedro Henrique da Rosa, Tainá Schons, Giovana Mezzomo, Ellen Scotton, Flávio Kapczinski, Adriane R. Rosa

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Abstract

Objective
The present study has the following objectives: 1) identify differentially expressed proteins and pathways in blood samples of BD compared to healthy controls by employing high-throughput proteomics and bioinformatics and 2) characterize disease-related molecular signatures through in-depth analysis of the differentially expressed proteins and pathways.

Methods
Blood samples from BD patients (n=10) classified into high (BD+) or poor functioning (BD-), based on functional and cognitive status, and healthy controls (n=5) were analyzed using mass spectrometry-based proteomic analysis. Bioinformatics was performed to detect biological processes, pathways, and diseases related to BD.

Results
Eight proteins exclusively characterized the molecular profile of patients with BD+ compared to HC, while 26 altered proteins were observed in the BD- group. These altered proteins were mainly enriched in biological processes related to lipid metabolism, complement system and coagulation cascade, and cardiovascular diseases; all these changes were more prominent in the BD- group.

Conclusion
These findings may represent systemic alterations that occur with the progression of the illness and a possible link between BD and medical comorbidities. Such comprehensive understanding provides valuable insights for targeted interventions, addressing mental and physical health aspects in subjects with BD. Despite these promising findings, further research is warranted, encompassing larger sample cohorts and incorporating biological validation through molecular biology methods.

Keywords

Mass spectrometry, molecular signatures, bioinformatics, biomarkers, complement system, coagulation cascade

Submitted date:
02/15/2024

Accepted date:
04/23/2024

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Trends Psychiatry Psychother

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