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ST2: Current status

Aditi Dattagupta1, Sathyamurthy Immaneni2

  • 1Department of Cardiology, Sakra World Hospital, Bangalore, India; Cardiology, Apollo Main Hospital, Chennai, India.

Indian Heart Journal
|August 21, 2018
PubMed

Insights

Cardiovascular diseases cause significant mortality. Soluble ST2 (sST2) is a biomarker that may help in identifying high-risk individuals and diagnosing cardiac conditions like heart failure.

Area of Science:

  • Biochemistry
  • Cardiology
  • Immunology

Background:

  • Cardiovascular diseases (CVDs) are a major cause of death in the US.
  • Cardiac remodeling is a key factor in heart failure (HF) development and patient outcomes.
  • Biomarkers are crucial for identifying at-risk individuals, accurate diagnosis, and prognostication in CVDs.

Purpose of the Study:

  • To explore the role of ST2, a member of the interleukin 1 receptor family, as a potential biomarker in cardiovascular diseases.
  • To understand the relationship between the ST2 receptor and its ligand, Interleukin-33 (IL-33).

Main Methods:

  • Investigated the two forms of ST2: the trans-membrane receptor (ST2L) and the soluble decoy receptor (sST2).
  • Examined the function of Interleukin-33 (IL-33) as the ligand for ST2.

Main Results:

  • ST2 exists in both trans-membrane (ST2L) and soluble (sST2) forms.
  • Interleukin-33 (IL-33) binds to ST2 and plays a role in reducing tissue fibrosis and hypertrophy.

Conclusions:

  • ST2, particularly its soluble form (sST2), shows potential as a valuable biomarker in cardiovascular disease management.
  • Understanding the ST2/IL-33 pathway may offer new insights into mitigating adverse cardiac remodeling and improving patient prognoses.

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