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Updated: May 24, 2025
Characterization at the Molecular Level using Robust Biochemical Approaches of a New Kinase Protein
Published on: June 30, 2019
Diagnostic value of ROCK2 protein in immune checkpoint inhibitors-associated myocarditis
Caie Li1, Yucheng Jin2, Jie Ma1
1Department of Cardiology, The Second Hospital of Lanzhou University, Lanzhou 730030, China.
Background:
Immune checkpoint inhibitors (ICIs) have advanced cancer treatment but are associated with serious cardiovascular side effects, including myocarditis, which is challenging to diagnose due to limited specificity of current biomarkers. Rho-associated kinase 2 (ROCK2) may play a role in myocarditis pathogenesis by mediating inflammation and myocardial remodeling. This study investigates the potential of ROCK2 protein detection as a diagnostic marker for ICIs-associated myocarditis.
Objectives:
To evaluate ROCK2 protein levels in patients with ICIs-associated myocarditis and assess its diagnostic value, providing insights for improved identification and management of this condition.
Methods:
We conducted a study with 10 ICIs-treated gastric cancer patients diagnosed with myocarditis and a control group of 10 similar ICIs-treated patients without myocarditis. ROCK2 levels and inflammatory markers were measured via ELISA, and clinical assessments included cardiac imaging, electrocardiography, and echocardiography. Statistical analysis of group differences used independent t-tests and chi-square tests.
Results:
ROCK2 expression was significantly higher in myocarditis patients compared to controls (p < 0.001), alongside elevated inflammatory markers, specifically hypersensitive C-reactive protein (hs-CRP), interleukins1β (IL-1β) and IL-17. Diagnostic myocardial markers such as N-terminal pro B-type natriuretic peptide (NT-proBNP), and soluble suppression of tumorigenicity 2 (sST2) also showed substantial elevation. Following treatment discontinuation and glucocorticoid administration, both ROCK2 levels and inflammatory indicators declined.
Conclusions:
Elevated ROCK2 protein levels could serve as a promising biomarker for ICIs-associated myocarditis. ROCK2 detection, combined with traditional markers, may enhance diagnostic accuracy. Further studies are warranted to explore ROCK2 inhibition as a potential therapeutic strategy for managing ICIs-associated myocarditis.
Insights
Rho-associated kinase 2 (ROCK2) protein is elevated in patients with immune checkpoint inhibitor (ICI)-associated myocarditis. ROCK2 detection may improve diagnosis of this cardiovascular side effect.
Area of Science:
- Cardiovascular research
- Oncology
- Immunology
Background:
- Immune checkpoint inhibitors (ICIs) improve cancer treatment but can cause myocarditis.
- Diagnosing ICI-associated myocarditis is difficult due to non-specific biomarkers.
- Rho-associated kinase 2 (ROCK2) may contribute to myocarditis pathogenesis.
Purpose of the Study:
- To assess ROCK2 protein levels in ICI-associated myocarditis.
- To evaluate ROCK2 as a diagnostic marker for ICI-associated myocarditis.
- To provide insights for improved myocarditis management.
Main Methods:
- Compared ROCK2 levels in 10 ICI-treated patients with myocarditis versus 10 without.
- Measured ROCK2 and inflammatory markers using ELISA.
- Utilized cardiac imaging, ECG, and echocardiography for clinical assessment.
Main Results:
- ROCK2 expression was significantly higher in myocarditis patients (p < 0.001).
- Elevated inflammatory markers (hs-CRP, IL-1β, IL-17) and cardiac markers (NT-proBNP, sST2) were observed.
- ROCK2 and inflammatory markers decreased after treatment cessation and glucocorticoid use.
Conclusions:
- Elevated ROCK2 protein is a potential biomarker for ICI-associated myocarditis.
- Combining ROCK2 with traditional markers may enhance diagnostic accuracy.
- Further research into ROCK2 inhibition for myocarditis treatment is warranted.
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