ATF4 in cardiovascular diseases: an emerging therapeutic target

Luning Qin1, Ruolan Chen1, Chao Huang2

  • 1Department of Cardiology, the Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao 266100, Shandong, China.

Biochemical Pharmacology
|January 12, 2026
PubMed

Insights

Activating transcription factor 4 (ATF4) regulates cell fate via endoplasmic reticulum stress and autophagy. Understanding its cardiovascular disease mechanisms could lead to new therapies targeting the ATF4 metabolic-death axis.

Area of Science:

  • Molecular Biology
  • Cardiovascular Research
  • Cellular Stress Response

Background:

  • Activating transcription factor 4 (ATF4) is a key regulator in the ATF/CREB family, influencing cell fate through endoplasmic reticulum stress (ERS), autophagy, and redox networks.
  • Maintaining cardiovascular homeostasis relies on the balanced function of ATF4, yet its regulatory mechanisms in cardiovascular diseases (CVDs) are not fully understood.

Purpose of the Study:

  • To systematically elucidate the dynamic regulatory network of ATF4 in cardiovascular diseases (CVDs).
  • To construct an interaction map of ATF4.
  • To identify critical research areas for advancing ATF4-targeted CVD therapies.

Main Methods:

  • Systematic elucidation of ATF4 regulatory networks.
  • Construction of ATF4 interaction maps.
  • Identification of key research gaps and future directions.

Main Results:

  • The study outlines the complex regulatory network of ATF4 in the context of CVDs.
  • An interaction relationship map for ATF4 has been constructed.
  • Three critical research areas were highlighted: cell-type-specific epigenetic regulation, spatiotemporally specific ATF4 activation strategies, and tissue-targeted ATF4 modulators.

Conclusions:

  • Further research into ATF4's cell-type-specific epigenetic regulation, precise intervention strategies, and targeted modulators is crucial.
  • Advancements in these areas are expected to yield novel therapeutic strategies for CVDs by targeting the ATF4-mediated metabolic-death axis.

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