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Updated: Jun 24, 2026
12:24
Mimicking the Function of Signaling Proteins: Toward Artificial Signal Transduction Therapy
Published on: September 29, 2016
Signalosomes as Therapeutic Targets
Alejandra Negro1, Kimberly Dodge-Kafka, Michael S Kapiloff
1Cardiac Signal Transduction and Cellular Biology Laboratory, Department of Medicine and Pediatrics, University of Miami Miller School of Medicine, R198, P.O. Box 016960, Miami, FL 33101.
Progress in Pediatric Cardiology
|April 4, 2009
Summary
Cardiac hypertrophy, a heart response to stress, can lead to heart failure. Targeting intracellular signalosomes offers a more selective approach to treating pathological cardiac hypertrophy and preventing heart failure.
Area of Science:
- Cardiovascular Biology
- Molecular Cardiology
- Cell Signaling
Background:
- Cardiac hypertrophy is the heart's primary response to biomechanical stress but can lead to heart failure.
- Current therapies targeting cell surface molecules have significant off-target effects.
- Understanding intracellular signaling is key to developing targeted therapies.
Purpose of the Study:
- To explore the role of intracellular signalosomes in cardiac hypertrophy.
- To identify potential therapeutic targets within the cardiac myocyte.
Main Methods:
- Utilized cultured cardiac myocytes, transgenic/knock-out animal models, and pharmacological studies.
- Investigated the formation and function of signalosomes, including those involving mAKAPβ and AKAP-lbc scaffold proteins.
Main Results:
- Identified key molecules and highlighted redundancy in hypertrophic signaling pathways.
- Demonstrated that signalosomes enhance specificity and efficiency of hypertrophic signal transduction.
- Showcased signalosomes' role in altering gene expression, cell size, and chamber remodeling.
Conclusions:
- Intracellular signalosomes are crucial for specific and efficient hypertrophic signaling.
- Targeting these signalosomes may offer a more selective therapeutic strategy for cardiac hypertrophy.
- Further understanding of molecular mechanisms regulating signalosomes could lead to new treatments for heart failure.
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