The journal of obstetrics and gynaecology research · 2015
Placental autotaxin expression is diminished in women with pre-eclampsia.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Ichikawa Mayuko, Nagamatsu Takeshi, Schust Danny J, Kawai-Iwasawa Yuki, Kawana Kei, Yamashita Takahiro, Osuga Yutaka, Aoki Junken, Yatomi Yutaka, Fujii Tomoyuki
Аннотация
AIM: Lysophosphatidic acid (LPA) is a member of a new class of lipid mediators and exerts varied physiological and pathological functions. The secreted protein, autotaxin (ATX), is a key enzymatic determinant of local LPA production. The primary aim of this study was to investigate the potential involvement of the placental ATX-LPA system in pre-eclampsia (PE).
MATERIAL AND METHODS: We compared human placental ATX mRNA expression in pregnancies complicated by severe PE with that in healthy placentas using real-time polymerase chain reaction. We further assessed whether these expression levels were associated with disease-onset patterns.
RESULTS: Placental transcription of ATX increased progressively during normal pregnancy. In the analysis for pre-eclamptic placentas, the placental ATX expression in the early-onset group, but not in late-onset group, was significantly lower compared to normal controls. Multiple regression analysis revealed that occurrence of early-onset PE, but not late-onset PE, was a variable that was significantly associated with the placental ATX expression level.
CONCLUSION: These findings support our previous work showing reduced ATX antigen levels in the peripheral blood of pre-eclamptic women. A disturbance in placental ATX production may be linked to poor placental development and systemic maternal symptoms in early-onset PE.
MATERIAL AND METHODS: We compared human placental ATX mRNA expression in pregnancies complicated by severe PE with that in healthy placentas using real-time polymerase chain reaction. We further assessed whether these expression levels were associated with disease-onset patterns.
RESULTS: Placental transcription of ATX increased progressively during normal pregnancy. In the analysis for pre-eclamptic placentas, the placental ATX expression in the early-onset group, but not in late-onset group, was significantly lower compared to normal controls. Multiple regression analysis revealed that occurrence of early-onset PE, but not late-onset PE, was a variable that was significantly associated with the placental ATX expression level.
CONCLUSION: These findings support our previous work showing reduced ATX antigen levels in the peripheral blood of pre-eclamptic women. A disturbance in placental ATX production may be linked to poor placental development and systemic maternal symptoms in early-onset PE.