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    Biochem Biophys Res Commun. 2000 Aug 2;274(2):415-21.

    Phosphodiesterases 4D and 7A splice variants in the response of HUVEC cells to TNF-alpha(1).

    Miró X, Casacuberta JM, Gutiérrez-López MD, de Landázuri MO, Puigdomènech P.

    Departament Genètica Molecular, Institut de Biologia Molecular de Barcelona, CID-CSIC, C/Jordi Girona, 18-26, Barcelona, 08034, Spain.

    The mRNA accumulation of phosphodiesterases PDE4D and PDE7A was studied by RNA blot analysis in human umbilical vein endothelial cells (HUVEC) incubated with TNFalpha for different periods. A contrasting behaviour was observed in the mRNA accumulation of the two genes. Further analysis by RT-PCR of the PDE4D and PDE7A splice variants gave different accumulation patterns which may indicate that differential splicing has a role in the regulation of these enzymes. Three previously undescribed PDE4D isoforms, with different accumulation patterns, were also detected. They code for truncated PDE4D isoforms, which could participate in the regulation of PDE4D activity. Copyright 2000 Academic Press.

    PMID: 10913353 [PubMed - indexed for MEDLINE]

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