Related Experiment Video

Updated: May 20, 2026

Accurate and Simple Measurement of the Pro-inflammatory Cytokine IL-1β using a Whole Blood Stimulation Assay
06:29

Accurate and Simple Measurement of the Pro-inflammatory Cytokine IL-1β using a Whole Blood Stimulation Assay

Published on: March 1, 2011

Heart failure biomarkers: focus on interleukin-1 receptor-like 1-based blood tests

K Broch1, T Ueland, A Yndestad

  • 1Department of Cardiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway. kaspar.broch@ous-hf.no

Drugs of Today (Barcelona, Spain : 1998)
|July 31, 2012
PubMed

Insights

Elevated levels of soluble Interleukin-1 receptor-like 1 (IL1RL1), also known as ST2, indicate a worse prognosis in heart failure patients. This biomarker reflects inflammation and stress, offering valuable prognostic information.

Area of Science:

  • Cardiology
  • Immunology
  • Biomarker Research

Background:

  • Heart failure is a major cause of death with complex pathophysiology.
  • Biomarkers are crucial for understanding and managing heart failure.
  • Interleukin-1 receptor-like 1 (IL1RL1), or ST2, is linked to inflammation and cardiac stress.

Purpose of the Study:

  • To investigate the prognostic value of soluble IL1RL1 isoform B in heart failure.
  • To determine if IL1RL1 concentration correlates with adverse outcomes in heart failure patients.

Main Methods:

  • Analysis of plasma/serum concentrations of soluble IL1RL1 isoform B.
  • Correlation of IL1RL1 levels with heart failure outcomes across various patient cohorts.

Main Results:

  • Elevated soluble IL1RL1 isoform B levels are strongly associated with adverse outcomes in heart failure.
  • This association is independent of patient age, heart failure cause, and left ventricular function.

Conclusions:

  • Soluble IL1RL1 (ST2) is a significant prognostic biomarker in heart failure.
  • The IL-33/IL1RL1 pathway presents a potential therapeutic target for heart failure management.

More Related Videos

Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty10:03

Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty

Published on: January 28, 2020

Screening Assays to Characterize Novel Endothelial Regulators Involved in the Inflammatory Response12:50

Screening Assays to Characterize Novel Endothelial Regulators Involved in the Inflammatory Response

Published on: September 15, 2017

Related Concept Videos

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
Pericarditis II: Clinical Features and Diagnostic Tests01:19

Pericarditis II: Clinical Features and Diagnostic Tests

Pericarditis is distinguished by inflammation of the pericardium, the fibrous sac that encases the heart. It can be acute, lasting less than six weeks, or chronic, persisting for over three months. Understanding its clinical manifestations and diagnostic findings is crucial for timely and effective management.Clinical ManifestationsWhile pericarditis can be asymptomatic, it usually presents with characteristic symptoms such as:Chest Pain: The most characteristic symptom of pericarditis is chest...
Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...