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Protein-Protein Interactions of Phosphodiesterases

Author(s):

Mayasah Y. Al-Nema and Anand Gaurav*   Pages 1 - 10 ( 10 )

Abstract:


Background: Phosphodiesterases (PDEs) are enzymes that play a key role in terminating cyclic nucleotides signalling by catalysing the hydrolysis of 3’, 5’- cyclic adenosine monophosphate (cAMP) and/or 3’, 5’ cyclic guanosine monophosphate (cGMP), the second messengers within the cell that transport the signals produced by extracellular signalling molecules which are unable to get into the cells. However, PDEs are proteins which do not operate alone but in complexes that made up of a large number of proteins.

Objective: This review highlights some of the general characteristics of PDEs and focuses mainly on the protein-protein interactions (PPIs) of selected PDE enzymes. The objective is to review the role of PPIs in the specific mechanism for activation and thereby regulation a certain biological function of PDEs. Method: The article discusses some of the PPIs of selected PDEs as reported in recent scientific literature. These interactions are critical for understanding the biological role of the target PDE.

Results: The PPIs have shown that each PDE has a specific mechanism for activation and thereby regulation a certain biological function.

Conclusion: Targeting of PDEs to specific regions of the cell is based on the interaction with other proteins where each PDE enzyme binds with specific protein(s) via PPIs.

Keywords:

Phosphodiesterases, 3’, 5’ cyclic adenosine monophosphate, 3’, 5’ cyclic guanosine monophosphate, proteins, complexes, protein-protein interactions

Affiliation:

Faculty of Pharmaceutical Sciences, UCSI University, Kuala Lumpur, Faculty of Pharmaceutical Sciences, UCSI University, Kuala Lumpur



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