Abstract:
:The exchange of chemical signals between cardiac cells and its relevance for cell communication and metabolic cooperation was reviewed. The role of gap junctions on the transfer of chemical information was discussed as well as the different factors involved in its regulation including changes in cell volume, high glucose, activation of the renin angiotensin aldosterone system including the intracrine effect of renin and angiotensin II on chemical coupling and cardiac energetics. Finally, the possible role of epigenetic changes of the renin angiotensin aldosterone system (RAAS) on the expression of components of the RAAS was discussed. The evidence available leads to the conception of the heart as a metabolic syncytium in which glucose as well nucleotides and hormones can flow from cell-to-cell though gap junctions, providing a new vision of how alterations in metabolic cooperation can induce cardiac diseases. These findings represent a stimulus for future research in this important area of cardiac physiology and pathology.
journal_name
Exp Cell Resjournal_title
Experimental cell researchauthors
De Mello WCdoi
10.1016/j.yexcr.2016.05.009subject
Has Abstractpub_date
2016-08-01 00:00:00pages
130-6issue
1eissn
0014-4827issn
1090-2422pii
S0014-4827(16)30113-6journal_volume
346pub_type
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