Live Marie T Stokkeland1, Guro F Giskeødegård2, Solhild Stridsklev3, Liv Ryan4, Bjørg Steinkjer4, Line H Tangerås4, Eszter Vanky3, Ann-Charlotte Iversen4. 1. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway; Centre of Molecular Inflammation Research (CEMIR), Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway. Electronic address: live.m.stokkeland@ntnu.no. 2. Department of Circulation and Medical Imaging, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway. 3. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway; Department of Obstetrics and Gynecology, St. Olavs Hospital, Trondheim University Hospital, 7006 Trondheim, Norway. 4. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway; Centre of Molecular Inflammation Research (CEMIR), Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway.
Abstract
INTRODUCTION: Human pregnancy is a state of elevated maternal systemic inflammation, and pregnancy complications are often associated with a dysfunctional immune response. The network of cytokines reflects this complex immune activity, and broad serum cytokine profiling provides a new tool to understand the changes in immune status during pregnancy. OBJECTIVE: This study aimed to determine how maternal serum cytokine patterns change during the first half of pregnancy. METHODS: Maternal peripheral serum samples collected at a mean gestation of 10, 13, 18 and 24 weeks were included from a prospective clinical study of healthy women (n = 110) in first half of normal pregnancy. The serum samples were analysed for 27 different cytokines using multiplex magnetic bead-based immunoassays, and high sensitivity C-reactive protein (CRP) was analysed by ELISA. Serum cytokine and CRP patterns were explored with linear mixed effects models (LMM) and multilevel partial least squares discriminant analysis (PLS-DA). RESULTS: Serum cytokine profiling provided partial overview of the maternal immune status and corresponding reference values for serum cytokine levels during the first half of pregnancy. Several cytokines decreased in concentration from first to second trimester. Cytokine pattern analysis revealed that chemokines provided the most sensitive measurement of variation with gestational age in normal pregnancies. The nine inflammatory cytokines showed the highest intra-group correlation during pregnancy, while CRP levels did not correlate with changes in the inflammatory cytokines. CONCLUSION: Chemokines showed the greatest gestational variation and inflammatory cytokines showed a strong intra-group correlation during the first half of pregnancy.
INTRODUCTION:Human pregnancy is a state of elevated maternal systemic inflammation, and pregnancy complications are often associated with a dysfunctional immune response. The network of cytokines reflects this complex immune activity, and broad serum cytokine profiling provides a new tool to understand the changes in immune status during pregnancy. OBJECTIVE: This study aimed to determine how maternal serum cytokine patterns change during the first half of pregnancy. METHODS: Maternal peripheral serum samples collected at a mean gestation of 10, 13, 18 and 24 weeks were included from a prospective clinical study of healthy women (n = 110) in first half of normal pregnancy. The serum samples were analysed for 27 different cytokines using multiplex magnetic bead-based immunoassays, and high sensitivity C-reactive protein (CRP) was analysed by ELISA. Serum cytokine and CRP patterns were explored with linear mixed effects models (LMM) and multilevel partial least squares discriminant analysis (PLS-DA). RESULTS: Serum cytokine profiling provided partial overview of the maternal immune status and corresponding reference values for serum cytokine levels during the first half of pregnancy. Several cytokines decreased in concentration from first to second trimester. Cytokine pattern analysis revealed that chemokines provided the most sensitive measurement of variation with gestational age in normal pregnancies. The nine inflammatory cytokines showed the highest intra-group correlation during pregnancy, while CRP levels did not correlate with changes in the inflammatory cytokines. CONCLUSION: Chemokines showed the greatest gestational variation and inflammatory cytokines showed a strong intra-group correlation during the first half of pregnancy.
Authors: Edwina H Yeung; Weihua Guan; Xuehuo Zeng; Lucas A Salas; Sunni L Mumford; Paula de Prado Bert; Evelien R van Meel; Anni Malmberg; Jordi Sunyer; Liesbeth Duijts; Janine F Felix; Darina Czamara; Esa Hämäläinen; Elisabeth B Binder; Katri Räikkönen; Jari Lahti; Stephanie J London; Robert M Silver; Enrique F Schisterman Journal: Clin Epigenetics Date: 2020-04-30 Impact factor: 6.551
Authors: Live Marie T Stokkeland; Guro F Giskeødegård; Mariell Ryssdal; Anders Hagen Jarmund; Bjørg Steinkjer; Torfinn Støve Madssen; Signe N Stafne; Solhild Stridsklev; Tone S Løvvik; Ann-Charlotte Iversen; Eszter Vanky Journal: J Clin Endocrinol Metab Date: 2022-01-01 Impact factor: 5.958