{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,13]],"date-time":"2026-06-13T02:59:46Z","timestamp":1781319586210,"version":"3.54.1"},"reference-count":84,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2025,5,5]],"date-time":"2025-05-05T00:00:00Z","timestamp":1746403200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,5,5]],"date-time":"2025-05-05T00:00:00Z","timestamp":1746403200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["physoc.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Journal of Physiology"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:sec>\n                    <jats:title>Abstract<\/jats:title>\n                    <jats:p>\n                      Endothelial colony forming cells (ECFCs) are circulating progenitor cells essential for angiogenesis and vascular remodelling in pregnancy. ECFC numbers and outgrowth are often reduced with metabolic diseases and conditions associated with disturbed endothelial function. However, how pregnancy, a period of metabolic stress, affects ECFCs remains unclear. We isolated ECFCs from non\u2010pregnant women (NP,\n                      <jats:italic>N<\/jats:italic>\n                      = 28) and from women in early (EP,\n                      <jats:italic>N<\/jats:italic>\n                      = 23) and late (LP,\n                      <jats:italic>N<\/jats:italic>\n                      = 39) pregnancy using density gradient centrifugation. ECFC outgrowth was analysed in relation to markers of lipid and glucose metabolism (cholesterol, triglycerides, high\u2010density lipoprotein\u2010cholesterol, low\u2010density lipoprotein\u2010cholesterol, fasting glucose), endothelial function (interleukin\u20106, E\u2010selectin, P\u2010selectin, intracellular adhesion molecule 1, vascular cell adhesion molecule 1, asymmetric dimethylarginine) and body composition (body mass index, body fat). ECFC morphology was microscopically assessed and scored from cobblestone\u2010like to spindle\u2010shaped. We found that ECFC outgrowth rate was higher in LP (60.9%) compared to EP (40.4%) and NP (49.1%). ECFC colony number and expansion rate were higher in LP than in EP and NP. ECFCs from NP donors had a more elongated morphology than ECFCs from pregnant donors. In EP, ECFCs predominantly derived from pregnancies with female fetuses, whereas the opposite was observed in LP. Higher interleukin\u20106 and E\u2010selectin plasma levels, indicative of an inflammatory state, were associated with faster outgrowth, along with increased lipid levels. Gestational diabetes was associated with increased ECFC colony number compared to healthy pregnancy. These findings suggest that pregnancy alters ECFC characteristics, with late pregnancy marked by enhanced ECFC outgrowth and expansion, potentially reflecting vascular adaptation to metabolic and inflammatory changes. Our results underscore the potential role of ECFCs in maternal vascular health in pregnancy.\n                      <jats:boxed-text content-type=\"graphic\" position=\"anchor\">\n                        <jats:graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" mimetype=\"image\/png\" position=\"anchor\" specific-use=\"enlarged-web-image\" xlink:href=\"graphic\/tjp16697-gra-0001-m.png\">\n                          <jats:alt-text>image<\/jats:alt-text>\n                        <\/jats:graphic>\n                      <\/jats:boxed-text>\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Key points<\/jats:title>\n                    <jats:p>\n                      <jats:list list-type=\"bullet\">\n                        <jats:list-item>\n                          <jats:p>Pregnancy requires extensive vascular remodelling. Circulating endothelial progenitor cells are crucial for angiogenesis and vascular adaptations.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>In this study, we investigated the outgrowth of circulating endothelial colony forming cells from peripheral blood of non\u2010pregnant women, and of women in early and late pregnancy. We further correlated the outgrowth parameters with blood markers of endothelial function and with metabolic state.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>Our findings indicate that the outgrowth capacity of these cells is highest in late pregnancy and depends on fetal sex.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>Pregnancy\u2010induced markers of endothelial activation such as interleukin\u20106 and E\u2010selectin, as well as markers of metabolism such as cholesterol and triglycerides, affect the outgrowth of endothelial colony forming cells.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>This study highlights the dynamic changes in endothelial colony forming cell abundance and morphology across different stages of pregnancy and their association with maternal metabolism and inflammation.<\/jats:p>\n                        <\/jats:list-item>\n                      <\/jats:list>\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1113\/jp288038","type":"journal-article","created":{"date-parts":[[2025,5,5]],"date-time":"2025-05-05T03:28:03Z","timestamp":1746415683000},"page":"4585-4604","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Pregnancy shifts endothelial progenitor cell morphology and function: Role of metabolism, pro\u2010inflammatory cytokines and fetal sex"],"prefix":"10.1113","volume":"604","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-7799-5482","authenticated-orcid":false,"given":"Marie\u2010Therese","family":"Weiser\u2010Fuchs","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynaecology Medical University of Graz  Graz 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