Abcam, ab14628, Anti-PDE4 antibody

Size: 50µg
Rabbit Polyclonal PDE4D antibody. Suitable for WB, ICC/IF and reacts with Rat, Human, Mouse samples. Cited in 23 publications.
Key facts
Host species:Rabbit,
Clonality:Polyclonal,
Isotype:IgG,
Carrier free:No,
Reacts with:Rat, Human, Mouse,
Applications:WB, ICC/IFSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:The exact immunogen used to generate this antibody is proprietary information.,
Specificity:This antibody detects all known PDE4 A and D variants including PDE4A1, A5, Ax, A8 and PDE4D1-D5. It has low affinity for PDE4B variants.

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Immunogen, Storage buffer-Preservative: 0.02% Thimerosal (merthiolate), Shipped at conditions-Blue Ice, Appropriate short-term storage duration-1-2 weeks, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
PDE4 or phosphodiesterase 4 is an enzyme that specifically hydrolyzes cyclic adenosine monophosphate (cAMP) into AMP which regulates intracellular levels of cAMP. PDE4 subfamily includes four isoforms: PDE4A PDE4B PDE4C and PDE4D each with unique expression patterns and roles. The approximate molecular weight of PDE4 enzymes varies depending on isoform but typically around 80-100 kDa. This enzyme is widely distributed in the body with expression found primarily in the brain heart lungs and immune cells where it modulates cellular responses to hormonal signals.
Biological function summary
PDE4 plays an important role in modulating inflammatory responses and immune cell activation due to its control over cAMP levels. By degrading cAMP PDE4 impacts the signaling pathways that govern inflammation and immune responses. This enzyme is often found in complex with other proteins that help localize and regulate its activity within cells. It plays a significant role in neuron communication and neuroplasticity affecting learning and memory processes.
Pathways
PDE4 is integral to the cAMP signaling pathway which impacts numerous physiological processes including cardiac function and immune responses. It interacts closely with protein kinase A (PKA) as its downstream effector thereby influencing PKA-dependent cellular responses. PDE4 also interacts within the mitogen-activated protein kinase (MAPK) pathway linking it to cell growth and differentiation responses which are important for various cellular processes.
PDE4 is strongly implicated in inflammatory and neuropsychiatric conditions. Overactivity or dysregulation of PDE4 can lead to disorders such as asthma and chronic obstructive pulmonary disease (COPD) due to its role in inflammation. It is also connected to major depressive disorder where altered cAMP signaling plays a part in pathophysiology. Inflammatory responses are linked to proteins such as tumor necrosis factor-alpha (TNF-alpha) and interleukins where PDE4 modulation can influence these pathways affecting disease development and progression.