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Phosphodiesterase enzymes have been shown to be different in different types of cells, including normal and leukemic lymphocytes [11] and are often targets for pharmacological inhibition due to their unique tissue distribution, structural properties, and functional properties.
cAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10A is an enzyme that in humans is encoded by the PDE10A gene. [ 5 ] [ 6 ] Various cellular responses are regulated by the second messengers cAMP and cGMP .
The protein encoded by this gene belongs to the cyclic nucleotide phosphodiesterase (PDE) family, and PDE4 subfamily. This PDE hydrolyzes the secondary messenger, cAMP, which is a regulator and mediator of a number of cellular responses to extracellular signals.
Protein kinase A is responsible for activation of lipase, which induces lipolysis as well as other physiological pathways. [ 6 ] [ 4 ] Whether phosphorylation pathways, which regulate activity of PDE3A or PDE3B, could serve as potential drug targets rather than the catalytic domain of the PDE3 enzyme itself is unclear and beyond the scope of ...
The phosphodiesterase 1 isoenzyme family (along with the phosphodiesterase 4 family) is the most diverse one and includes numerous splice variant PDE1 isoforms. It has three subtypes, PDE1A, PDE1B and PDE1C which divide further into various isoforms. [1] [2]
The PDE4D gene is complex and has at least 9 different isoforms that encode functional proteins. These proteins degrade the second messenger cAMP, which is a key signal transduction molecule in multiple cell types, including vascular cells (Dominiczak and McBride, 2003).[supplied by OMIM] [5]
Dual 3',5'-cyclic-AMP and -GMP phosphodiesterase 11A is an enzyme that in humans is encoded by the PDE11A gene. [4] [5]The 3',5'-cyclic nucleotides cAMP and cGMP function as second messengers in a wide variety of signal transduction pathways. 3',5'-cyclic nucleotide phosphodiesterases (PDEs) catalyze the hydrolysis of cAMP and cGMP to the corresponding 5'-monophosphates and provide a mechanism ...
The PDE2 (phosphodiesterase 2) enzyme is one of 21 different phosphodiesterases (PDE) found in mammals. These different PDEs can be subdivided to 11 families (PDE1 – PDE11). The different PDEs of the same family are functionally related despite the fact that their amino acid sequences show considerable divergence. [1]