Key result
Takotsubo syndrome features higher proinflammatory and angiogenic markers but lower anti-inflammatory cytokines versus NSTEMI.
Why the study?
The exact pathophysiology of Takotsubo syndrome remains unknown, although proinflammatory cytokines and chemokines are believed to play a crucial role.
Are there differences in plasma cytokine and chemokine levels between patients with acute Takotsubo syndrome and NSTEMI?
Are there differences in plasma cytokine and chemokine levels between patients with acute Takotsubo syndrome and NSTEMI?
Answers are grounded in this paper and cite their sources.
Acute Takotsubo syndrome is associated with a distinct, intense inflammatory and metabolic biomarker profile compared to NSTEMI, highlighting the potential role of specific cytokines in its pathogenesis.
Background Takotsubo syndrome (TTS) is an acute, stress-induced cardiomyopathy that mimics acute coronary syndrome. The exact pathophysiology of TTS remains unknown, although proinflammatory cytokines and chemokines are believed to play a crucial role. Purpose This study aims to evaluate the levels of cytokines and chemokines in patients with acute TTS and compare them to those in patients with non-ST-segment elevation myocardial infarction (NSTEMI, control group). Methods Blood samples were collected into tubes containing EDTA and aprotinin, centrifuged at 1300g for 10 minutes at room temperature, and stored at -80°C after an 8–12-hour fasting period in patients with acute TTS and NSTEMI. The RayBio C-Series Human Cytokine Antibody Array C2000 (RayBiotech, Inc.) was used for the semi-quantitative detection of 174 human proteins in plasma from patients with acute TTS (n=4) and NSTEMI (n=4). Results Significant differences were observed in the levels of 48 cytokines and chemokines between the TTS and NSTEMI groups. TTS patients exhibited elevated levels of proinflammatory cytokines, including IL-1β, IL-12p40, IL-12p70, IL-16, and IL-17, along with reduced levels of anti-inflammatory cytokines such as IL-10 and IL-13 compared to the control group. Additionally, increased levels of cytokine receptors (e.g., IL-1RI, IL-18BPa, Fas/TNFRSF6) were observed in TTS patients compared to the NSTEMI group. Furthermore, angiogenic factors, such as vascular endothelial growth factor (VEGF, VEGF-D), were elevated in TTS patients. Moreover, TTS patients exhibited increased adiponectin (Acrp30) levels and reduced leptin,insulin-like growth factor-binding protein 4 (IGFBP-4) and prolactin levels compared to NSTEMI patients. Conclusion This study highlights the involvement of cytokines and their receptors, metabolic factors, and angiogenic factors in the pathogenesis of TTS. The findings suggest that Takotsubo syndrome is associated with an intense inflammatory and metabolic response. Further research on a larger population is necessary to better understand the underlying pathophysiology of Takotsubo syndrome.
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Wodejko-Kucharska et al. (2025) studied this question. Takotsubo syndrome patients showed elevated proinflammatory cytokines (e.g., IL-1β, IL-12), reduced anti-inflammatory cytokines (IL-10, IL-13), and increased angiogenic factors versus NSTEMI.
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