High affinity cAMP-specific and IBMX-insensitive 3',5'-cyclic phosphodiesterase 8A is an enzyme that in humans is encoded by the PDE8Agene. Work by Sebastiaan Bol et al. showed that 5 different transcript variants and their corresponding isoforms are expressed in human macrophages, and suggests that this protein may be required by HIV-1 for its replication.
^Fisher DA, Smith JF, Pillar JS, St Denis SH, Cheng JB (Jul 1998). "Isolation and characterization of PDE8A, a novel human cAMP-specific phosphodiesterase". Biochem Biophys Res Commun. 246 (3): 570–7. doi:10.1006/bbrc.1998.8684. PMID9618252.
Zauli G, Milani D, Mirandola P, et al. (2001). "HIV-1 Tat protein down-regulates CREB transcription factor expression in PC12 neuronal cells through a phosphatidylinositol 3-kinase/AKT/cyclic nucleoside phosphodiesterase pathway.". FASEB J. 15 (2): 483–91. doi:10.1096/fj.00-0354com. PMID11156964.
Gamanuma M, Yuasa K, Sasaki T, et al. (2003). "Comparison of enzymatic characterization and gene organization of cyclic nucleotide phosphodiesterase 8 family in humans". Cell. Signal. 15 (6): 565–74. doi:10.1016/S0898-6568(02)00146-8. PMID12681444.
Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID14702039.