Recombinant human PDE7B protein

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Phosphodiesterase 7B (PDE7B) is an enzyme that plays an important role in the hydrolysis of cyclic adenosine monophosphate (cAMP) a critical second messenger in cellular signaling. Also known as HCP1 PDE7B has a molecular mass of approximately 49 kDa. It is expressed in various tissues throughout the body with marked expression in the brain particularly in regions associated with cognition and motor function. This expression pattern suggests that PDE7B may have specialized roles in neural activities and processes.

Biological function summary

The involvement of PDE7B in the hydrolysis of cAMP points to its role in signal transduction pathways that regulate physiological responses. By degrading cAMP PDE7B modulates signal strength and duration influencing cellular responses such as proliferation differentiation and survival. While there is no evidence PDE7B forms part of a larger protein complex its action interacts with multiple signaling cascades making it an integral part of cellular response machinery.

Pathways

The functions of PDE7B are integral to cAMP-specific signaling pathways such as the PKA (protein kinase A) signaling cascade. By regulating cAMP levels PDE7B indirectly influences the activity of PKA which phosphorylates various target proteins to execute cellular functions. PDE7B is closely related to other phosphodiesterases like PDE4 and PDE1 in these pathways which also target cAMP but have different expression and activity regulation.

PDE7B presents potential involvement in neurological and inflammatory conditions. Abnormal PDE7B function or expression could contribute to disorders such as Parkinson's disease where altered signaling may impact neuronal survival and dopamine regulation. Moreover by modulating cAMP levels PDE7B might also associate with chronic inflammatory disorders wherein dysregulated immune responses play an important role. Research into PDE7B's interactions with other proteins like PDE4 could uncover new therapeutic strategies for managing these conditions.