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Sequence of a novel mRNA coding for a C-terminal-truncated form of human NAD(+)-dependent 15-hydroxyprostaglandin dehydrogenase.

Pichaud F., Frendo J.L., Delage-Mourroux R., de Vernejoul M.C., Moukhtar M.S., Jullienne A.

We amplified, using the polymerase chain reaction (PCR) and NAD(+)-dependent 15-hydroxyprostaglandin dehydrogenase (type-I 15-PGDH)-specific primers, RNA extracted from the HL-60 cell line. Two bands, differing in size by approx. 160 bp, were detected with ethidium bromide staining after electrophoresis of amplification products and hybridization with a 15-PGDH-specific probe. Sequencing these DNA bands revealed that the largest corresponded to the 15-PGDH cloned from human placenta [Ensor et al., J. Biol. Chem. 265 (1990) 14888-14891]. The smaller sequence coded for a predicted C-terminal-truncated form of 15-PGDH. This subtype of the type-I 15-PGDH mRNA was also found using RT-PCR in human liver, placenta and a cell line derived from a human medullary thyroid carcinoma (TT cells). Hybridization studies using specific probes indicated that this new mRNA form probably corresponded to the 3.4-kb mRNA, one of the two 15-PGDH mRNAs previously detected in Northern blot analysis.

Gene 162:319-322(1995) [PubMed] [Europe PMC]