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Updated: Feb 14, 2026

Characterization at the Molecular Level using Robust Biochemical Approaches of a New Kinase Protein
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Characterization at the Molecular Level using Robust Biochemical Approaches of a New Kinase Protein

Published on: June 30, 2019

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A-Kinase Anchoring Protein-Lbc: A Molecular Scaffold Involved in Cardiac Protection

Dario Diviani1, Halima Osman2, Erica Reggi3

  • 1Département de Pharmacologie et de Toxicologie, Faculté de Biologie et de Médecine, Lausanne 1005, Switzerland. Dario.diviani@unil.ch.

Journal of Cardiovascular Development and Disease
|February 9, 2018
PubMed

Insights

A-kinase anchoring proteins (AKAPs) are crucial for heart function after damage. AKAP-Lbc, a key AKAP, orchestrates protective signaling pathways in the stressed heart, offering therapeutic potential.

Area of Science:

  • Cardiovascular Biology
  • Molecular Cardiology
  • Cell Signaling

Background:

  • Heart failure is a major cause of death, often resulting from cardiomyocyte death, cardiac remodeling, and fibrosis.
  • A-kinase anchoring proteins (AKAPs) are scaffolding proteins that regulate cyclic adenosine monophosphate (AMP)-dependent protein kinase (PKA) and other signaling pathways.
  • AKAP-Lbc is a cardiac-enriched AKAP involved in regulating cardiac remodeling and protection.

Purpose of the Study:

  • To review and discuss recent advancements in understanding the role of the AKAP-Lbc signalosome.
  • To highlight how AKAP-Lbc orchestrates adaptive responses in the stressed heart.

Main Methods:

  • Literature review of recent studies on AKAP-Lbc and cardiac signaling.
  • Analysis of molecular mechanisms underlying AKAP-Lbc function in cardiac remodeling.
  • Discussion of the implications of AKAP-Lbc signaling in heart failure pathogenesis.

Main Results:

  • AKAP-Lbc acts as a central coordinator of signaling pathways crucial for cardiac protection and remodeling.
  • The AKAP-Lbc signalosome modulates cardiomyocyte survival and cardiac fibrosis.
  • Dysregulation of AKAP-Lbc signaling contributes to the progression of heart failure.

Conclusions:

  • AKAP-Lbc plays a pivotal role in the heart's adaptive response to stress.
  • Targeting the AKAP-Lbc signalosome may offer novel therapeutic strategies for heart failure.
  • Further research into AKAP-Lbc function is essential for developing effective treatments for cardiovascular diseases.

Keywords:
A-kinase anchoring protein (AKAP)cardiac protectioncardiomyocytecyclic AMPprotein kinase Asignal transduction

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