Cyclic Nucleotide Phosphodiesterases, Type 13',5'-Cyclic-AMP PhosphodiesterasesCyclic Nucleotide Phosphodiesterases, Type 4Cyclic Nucleotide Phosphodiesterases, Type 3Cyclic Nucleotide Phosphodiesterases, Type 2Phosphoric Diester Hydrolases2',3'-Cyclic-Nucleotide PhosphodiesterasesNucleotides, CyclicPhosphodiesterase Inhibitors3',5'-Cyclic-GMP PhosphodiesterasesCyclic Nucleotide Phosphodiesterases, Type 5Cyclic GMPCyclic Nucleotide Phosphodiesterases, Type 7Cyclic AMPRolipram1-Methyl-3-isobutylxanthinePurinonesCartilageCartilage, ArticularIsoenzymesMolecular Sequence DataCalmodulinAmino Acid SequenceKineticsCyclic Nucleotide Phosphodiesterases, Type 6Cartilage DiseasesNucleotidesPhosphodiesterase 3 InhibitorsPhosphodiesterase 4 Inhibitors4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinoneChondrocytesDibutyryl Cyclic GMPNasal CartilagesTheophyllinePhosphodiesterase ICyclic Nucleotide-Gated Cation ChannelsCattlePhosphorus-Oxygen LyasesOsteoarthritisEar CartilageMilrinoneBucladesinePyrrolidinonesLaryngeal CartilagesAdenine NucleotidesHyaline CartilageCyclic AMP-Dependent Protein KinasesCyclic GMP-Dependent Protein KinasesAdenylate CyclaseSecond Messenger SystemsKnee JointProteoglycansBase SequencePapaverineCyclic IMPColforsinCartilage Oligomeric Matrix ProteinGuanylate CyclaseCloning, MolecularCells, CulturedOsteoarthritis, KneePolymorphism, Single NucleotideCalciumPhosphodiesterase 5 InhibitorsAggrecans8-Bromo Cyclic Adenosine MonophosphateSignal TransductionHydrolysisGuanine NucleotidesCollagen Type IIRNA, MessengerBinding SitesIsoproterenolXanthinesCatalytic DomainEnzyme ActivationGlycosaminoglycansVinca AlkaloidsSubstrate SpecificityCyclic P-OxidesMatrilin ProteinsChondrogenesisSequence Homology, Amino AcidPyrophosphatasesExtracellular Matrix ProteinsProtein Structure, TertiaryMutationDNAGrowth PlateSequence Alignment