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Published on: January 4, 2018
Insulin signaling: a possible pathogenesis of cardiac hypertrophy
Wei Yu1, Chunjuan Chen, Yucai Fu
1Department of Cardiology, The First Affiliated Hospital of Shantou University Medical College, Shantou, PR China.
Insights
Insulin signaling pathways are increasingly linked to cardiac hypertrophy, a common cardiovascular disease. Further research is needed to understand how insulin signaling contributes to cardiac growth and identify potential therapeutic targets.
Area of Science:
- Cardiology
- Endocrinology
- Molecular Biology
Background:
- Cardiac hypertrophy is a prevalent cardiovascular condition with incompletely understood pathophysiology.
- Insulin signaling plays a role in regulating cardiac growth and protein synthesis.
Purpose of the Study:
- To explore the association between insulin signaling and the development of cardiac hypertrophy.
- To investigate the role of the PI3K-Akt pathway in cardiac hypertrophy.
- To examine the impact of insulin signaling interactions with other factors like angiotensin II.
Main Methods:
- Review of existing studies demonstrating insulin's role in physiological cardiac growth.
- Analysis of research on the PI3K-Akt pathway in cardiac hypertrophy.
- Evaluation of studies on negative regulators of insulin signaling and their effects.
- Examination of the interplay between insulin signaling and angiotensin II in cardiac hypertrophy.
Main Results:
- Evidence suggests insulin is a key regulator of physiological cardiac growth.
- The PI3K-Akt pathway is implicated in the cardiac hypertrophic program.
- Negative regulators of insulin signaling appear to have protective effects against cardiac hypertrophy.
- Insulin signaling interacts with angiotensin II in the context of cardiac hypertrophy.
Conclusions:
- Insulin signaling is associated with cardiac hypertrophy development, though exact mechanisms remain unclear.
- Further investigation into insulin signaling's role in cardiac hypertrophy is warranted.
- Insulin signaling pathways may offer targets for pharmacological intervention in cardiac hypertrophy.
Abstract:
Cardiac hypertrophy is one of the most commonly cardiovascular diseases in clinical practice. Despite the extensive studies, the pathophysiology of cardiac hypertrophy, however, remains incompletely understood. Studies have demonstrated that insulin signaling may be involved in cardiac growth and protein synthesis. More recently, a growing body of evidence suggests that insulin signaling is associated with the development of cardiac hypertrophy. The evidence for the hypotheses included that (1) several studies have demonstrated insulin is an important regulator of physiological cardiac growth; (2) PI3K-Akt pathway has been investigated as a participant in the cardiac hypertrophic program; (3) negative regulators of insulin signaling show beneficial effects on cardiac hypertrophy development; and (4) insulin signaling interaction with angiotensin II in cardiac hypertrophy. Although the studies suggest that the association between insulin signaling and cardiac hypertrophy, the exact pathogenesis of insulin signaling in cardiac hypertrophy development remains elusive and requires further investigation. Insulin signaling may provide a scientific basis for further research on the underlying mechanisms of cardiac hypertrophy and may target for pharmacological interruption of cardiac hypertrophy.
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