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FLASH GENE
Symbol PDE2A contributors: mct - updated : 10-01-2018
HGNC name phosphodiesterase 2A, cGMP-stimulated
HGNC id 8777
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
  • two GAF domains
  • a C terminal phosphodiesterase domain
  • HOMOLOGY
    intraspecies paralog to PDE10A
    Homologene
    FAMILY cyclic nucleotide phosphodiesterase family
    CATEGORY enzyme
    SUBCELLULAR LOCALIZATION extracellular
        plasma membrane
        intracellular
    intracellular,cytoplasm,organelle,mitochondria,inner
    intracellular,cytoplasm,organelle,mitochondria,outer
    intracellular,cytoplasm,organelle,mitochondria,matrix
    intracellular,cytoplasm,organelle,membrane
    intracellular,cytoplasm,organelle,Golgi
    intracellular,cytoplasm,cytosolic
    intracellular,cytoplasm,cytoskeleton,microtubule
    intracellular,nucleus
    text
  • localizes to synaptosomal membranes
  • with GUCA1A are coexpressed in the same population of the olfactory sensory neurons
  • presence of GUCY2D, GUCA1A, and PDE2A predominant in the cilia, yet to a lesser degree, they are also present in other regions of the olfactory neurons
  • basic FUNCTION
  • having 3',5'-cyclic nucleotide phosphodiesterase activity
  • hydrolyzing both cyclic AMP (cAMP) and cyclic GMP (cGMP)
  • potentially TNF-alpha-mediated up-regulation of PDE2A may destabilize endothelial barrier function in sepsis
  • regulates the basal cGMP concentration in thalamic neurons
  • promotes activation of NADPH oxidase-dependent ROS production and subsequent endothelial proliferation and angiogenesis
  • plays a fundamental role in signal transduction
  • plays a major role in regulating dopamine-stimulated cAMP production in striatal neurons
  • preferential distribution of PDE2A into axons and terminals of the principal neurons suggests roles in regulation of axonal excitability or transmitter release
  • PDE2A serves likely as the downstream transducer of cGMP signals produced by NPR1 activation
  • PDE2A performs likely the important function of regulating neurotransmitter release by negatively linking cGMP signals to the cAMP pathway
  • appears to play an important role in growth and invasion of the human malignant melanoma PMP cell line
  • exerts its action on cognitive processes via the control of intracellular second messengers, cGMP and, to a lesser extent, cAMP
  • CELLULAR PROCESS
    PHYSIOLOGICAL PROCESS
    PATHWAY
    metabolism
    signaling signal transduction
    a component
    INTERACTION
    DNA
    RNA
    small molecule
    protein
  • PDE2A plays an essential role in the NPPA effect on synaptic transmission
  • interaction with over-expressed AIP does not seem to affect PDE2A function, but the reported effect on PDE4A is, in contrast, reduced enzymatic activity
  • cell & other
    REGULATION
    Other inhibition of PDE2A, by enhancing the hormone-dependent cAMP response locally, affects mitochondria dynamics and protects from apoptotic cell death
    ASSOCIATED DISORDERS
    corresponding disease(s) COCH
    Other morbid association(s)
    TypeGene ModificationChromosome rearrangementProtein expressionProtein Function
    constitutional     --over  
    may provide a brake against the inhibitory action of NPPB on sympathetic transmission
    constitutional     --over  
    in failing hearts and desensitizes against ADRB1 stimulation
    Susceptibility
    Variant & Polymorphism
    Candidate gene
    Marker
    Therapy target
    SystemTypeDisorderPubmed
    psychiatry  
    PDE2A inhibitors could be used as pharmacological drugs for treatment of anxiety and nicotine addiction via their actions on medial habenula (MHb) axonal terminals
    miscelleaneousvascular 
    targeting PDE2A may provide a new therapeutic approach in diseases associated with endothelial dysfunction, oxidative stress, vascular proliferation, and angiogenesis
    respiratory  
    inhibition of PDE2A is of potential therapeutic interest in sepsis and acute respiratory distress syndrome (ARDS)
    ANIMAL & CELL MODELS