Clinical Report: Longitudinal Analysis of Plasma Proteomic Alterations After BNT162b2 COVID-19 Booster Vaccination in Qatar
Overview
This study evaluates the plasma proteomic changes following the BNT162b2 COVID-19 booster vaccination over a 6-month period. Significant alterations in specific proteins, particularly PARP-1 and MMP-7, were observed in both infection-naïve and previously infected individuals, indicating ongoing immune response dynamics post-vaccination.
Background
The COVID-19 pandemic continues to impact global health, with emerging variants and long COVID presenting ongoing challenges. Understanding the proteomic changes following booster vaccinations is crucial for assessing immune readiness and the potential for long-term protection against severe disease. This study contributes to the body of knowledge regarding the biological effects of booster doses on the immune system.
Data Highlights
Protein
Change (FC)
p-value
pFDR
PARP-1
1.53 (3 months), 2.10 (6 months)
8.59x10-5, 1.19x10-5
0.01, 0.003
MMP-7
0.68 (3 months), 0.58 (6 months)
4.58x10-5, 2.19x10-5
0.01, 0.003
MMP-1
1.46 (6 months)
0.04
pFDR>0.05
4E-BP1
0.58 (6 months)
0.01
pFDR>0.05
Key Findings
Infection-naïve individuals exhibited significant changes in 11 proteins at 3 months and 8 proteins at 6 months post-booster.
PARP-1 showed a sustained increase in both infection-naïve (FC = 1.53) and previously infected individuals (FC = 2.10).
MMP-7 levels decreased significantly in both groups, indicating a potential marker for immune response.
Longitudinal profiling revealed dysregulation of inflammatory proteins for up to 6 months post-booster.
Proteomic changes were consistent across individuals, suggesting a common immune response pathway.
Clinical Implications
These findings underscore the importance of monitoring proteomic responses following COVID-19 booster vaccinations. Clinicians may consider these biomarkers when evaluating patient responses to vaccination and potential long-term immunity.
Conclusion
The study highlights significant proteomic alterations following the BNT162b2 booster vaccination, providing insights into immune dynamics that may inform future vaccination strategies.
by Sana Bentebbal, Ahmed Zaqout, Bakhita Meqbel, Ilham Bensmail, Abdullah Aldushain, Alberto de la Fuente, Remy Thomas, Adviti Naik, Hibah Shaath, Neyla S. Al-Akl, Abdi Adam, Houda Y. A. Moussa, Kyung C. Shin, Rowaida Z. Taha, Mohammed Abukhattab, Muna A. Al-Maslamani, Nehad M. Alajez, Abdelilah Arredouani, Yongsoo Park, Sara A. Abdulla, Omar M. A. El-Agnaf, Houari B. Abdesselem, Ali S. Omrani, Julie Decock
