Human placental annexin IV, a member of the annexin family of calcium and phospholipid-binding proteins, has been crystallized by the vapour diffusion method in the presence of calcium, using polyethylene glycol 8000. The crystals are orthorhombic, space C222(1), cell dimensions a = 105.4 A, b = 115.7 A, c = 80.7 A and diffract to at least 2.5 A resolution on a synchrotron source.
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http://dx.doi.org/10.1016/S0022-2836(05)80310-9 | DOI Listing |
J Cell Mol Med
January 2025
Interdisciplinary Research Institute of Grenoble, IRIG-Biosanté, University Grenoble Alpes, INSERM, CEA, UMR 1292, Grenoble, France.
Preeclampsia (PE) is the most threatening pathology of human pregnancy. Placenta from PE patients releases harmful factors that contribute to the exacerbation of the disease. Among these factors is the prokineticin1 (PROK1) and its receptor, PROKR2 that we identified as a mediators of PE.
View Article and Find Full Text PDFNarra J
December 2024
Department of Polymer Science and Engineering, Chonbuk National University, Jeonju, South Korea.
Placenta tissue has biological advantages, including anti-inflammatory, anti-bacterial, anti-fibrotic formation, and immunomodulatory properties. The amnion membrane (AM) is an inner side membrane of the placenta that faces the fetus. The main sources of amnion are humans and animals, with bovine being one of the significant sources.
View Article and Find Full Text PDFObstet Gynecol Surv
January 2025
Professor, Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Duke University School of Medicine, Durham, NC.
Importance: To decrease associated infectious and thrombotic morbidity, it is important to understand the indications and risks of peripherally inserted central catheters (PICCs) and other vascular access means in pregnancy.
Objectives: The objectives are 3-fold: (1) discuss indications and contraindications, approach to placement, and associated complications for PICC lines, arterial catheters, centrally inserted central catheters, and peripheral intravenous catheters; (2) review available data regarding complications associated with these catheters in pregnancy; and (3) propose an evidence-based approach to clinical decision making regarding vascular access in 2 clinical scenarios among pregnant patients.
Evidence Acquisition: A literature review identified relevant research, review articles, textbook chapters, databases, and societal guidelines, with a focus on obstetrical anesthesia and obstetric literature.
BMC Pregnancy Childbirth
January 2025
Genetic Program, North York General Hospital, Toronto, ON, Canada.
Background: Preeclampsia significantly impacts maternal and perinatal health. Early screening using advanced models and primary prevention with low-dose acetylsalicylic acid for high-risk populations is crucial to reduce the disease's incidence. This study assesses the feasibility of implementing preterm preeclampsia screening and prevention by leveraging information from our current aneuploidy screening program in a real-world setting with geographic separation clinical site and laboratory analysis site.
View Article and Find Full Text PDFJ Matern Fetal Neonatal Med
December 2025
Director of Global Academy of Medical Education & Training, London, UK.
Background: Placenta Accreta Spectrum (PAS) disorders has been reported to be associated with a maternal mortality rate of 7-10%, worldwide, and many women who survive, experience life changing morbidity. Triple P procedure (- perioperative placental localization and incision on the myometrium above the upper border of the placenta; - pelvic devascularisation; and -placental non-separation and myometrial excision) was developed in 2010 as a novel conservative alternative to peripartum hysterectomy to avoid severe maternal morbidity and mortality). There have been several modifications to the original Triple P Procedure to achieve "pelvic devascularisation" based on locally available resources.
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