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15-Hydroxyprostaglandin dehydrogenase and cyclooxygenase 2 messenger ribonucleic acid expression and immunohistochemical localization in human cervical tissue during term and preterm labor

Tornblom, SA (author)
Patel, FA (author)
Bystrom, B (author)
Karolinska Institutet
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Giannoulis, D (author)
Malmström, Anders (author)
Lund University,Lunds universitet,Matrixbiologi,Forskargrupper vid Lunds universitet,Matrix Biology,Lund University Research Groups
Sennstrom, M (author)
Karolinska Institutet
Lye, SJ (author)
Challis, JRG (author)
Ekman, G (author)
Karolinska Institutet
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 (creator_code:org_t)
The Endocrine Society, 2004
2004
English.
In: Journal of Clinical Endocrinology and Metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 89:6, s. 2909-2915
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Here we have examined the enzymes cyclooxygenase (COX)-2 and 15-hydroxyprostaglandin dehydrogenase (15-OH PGDH) in pregnant human cervix. In biopsies taken transvaginally after preterm and term elective cesarean sections and vaginal deliveries, the levels of mRNA coding for COX-2 and 15-OH PGDH were assessed by Northern blotting. The cellular localization of the COX-2 and 15-OH PGDH proteins was determined by immunohistochemical analysis. COX-2 and 15-OH PGDH mRNAs were expressed at detectable levels in the cervical biopsies from all four groups of subjects. At cesarean sections ( unripe cervix), the level of 15-OH PGDH mRNA was significantly higher than the level in the ripe cervix at the time of partus, irrespective of the gestational length. In contrast, the level of COX-2 mRNA was similar in all subjects. Immunoreactivity of COX-2 and 15-OH PGDH was expressed by activated fibroblasts. The present investigation documents the expression and cellular localization of COX-2 and 15-OH PGDH in the preterm and term pregnant human cervix. This observation indicates that both preterm and term cervical ripening is associated with decreased degradation of prostaglandins.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)

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