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Updated: Feb 22, 2026

The 4-vessel Sampling Approach to Integrative Studies of Human Placental Physiology In Vivo
Published on: August 2, 2017
Adamts 1, 4, 5, 8, and 9 in Early Pregnancies
Müberra Namli Kalem1, Ziya Kalem2, Batuhan Bakirarar3
1a Liv Hospital , Ankara, Ankara , Turkey.
Introduction:
The aim of this study was to immunohistochemically investigate the presence and localization of ADAMTS 1, 4, 5, 8 and 9 in decidual and chorionic tissues in first trimester pregnancy losses.
Materials And Methods:
This study was conducted with early pregnancy failure decidual and chorionic tissue samples from 36 pregnant women in the first trimester of pregnancy (ongoing pregnancies, missed miscarriages, anembryonic pregnancies) Results: It was observed that the decidual and chorionic tissue levels of ADAMTS 1, 4, 5, and 8 in ongoing pregnancies were more intensely expressed when compared with miscarriages. ADAMTS 1 expression was not observed in the anembryonic pregnancies, ADAMTS 4, 5, and 8 were less intensely expressed. ADAMTS 9 showed no staining in any group.
Conclusion:
ADAMTS 1 may be necessary during the decidualization and implantation stages of early normal pregnancy.
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