{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,29]],"date-time":"2025-10-29T06:17:31Z","timestamp":1761718651515,"version":"3.38.0"},"reference-count":55,"publisher":"Walter de Gruyter GmbH","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BM"],"published-print":{"date-parts":[[2018,2,27]]},"abstract":"<jats:p>A disruption in intestinal barrier integrity may predispose individuals to metabolic aberrations, particularly during the vulnerable period of pregnancy. We investigated whether intestinal permeability, as measured by serum zonulin concentration, changes over the duration of pregnancy and whether this change is reflected in lipopolysaccharide (LPS) activity. Second, we tested in a randomised double-blind placebo controlled clinical trial the impact of consuming dietary probiotics and\/or long chain polyunsaturated fatty acid (LC-PUFA) supplements in lowering serum zonulin concentration and LPS activity. The probiotic supplement was a combination of two bacteria,<jats:italic>Bifidobacterium animalis<\/jats:italic>ssp.<jats:italic>lactis<\/jats:italic>420 and<jats:italic>Lactobacillus rhamnosus<\/jats:italic>HN001. This study included 200 overweight pregnant women participating in an on-going study; participants were randomised to consume either (1) probiotics, (2) LC-PUFA, (3) probiotics and LC-PUFA, or (4) placebo for each supplement. Blood samples were obtained at early, the baseline, and late pregnancy (mean 14 and 35 weeks of gestation, respectively). Serum zonulin concentration increased from early (mean (standard deviation): 62.7 (12.9) ng\/ml) to late pregnancy by 5.3 (95%CI 3.7-6.9) ng\/ml, and LPS activity increased from (0.16 (0.04) EU\/ml) by 0.04 (95%CI 0.03-0.05) EU\/ml. No differences among the intervention groups were detected in the change from early to late pregnancy in serum zonulin concentration (<jats:italic>P<\/jats:italic>=0.8) or LPS activity (<jats:italic>P<\/jats:italic>=0.2). The change in serum zonulin concentration during the pregnancy was associated with the weeks of follow up (r=0.25,<jats:italic>P<\/jats:italic>&lt;0.001). Serum LPS activity was correlated with higher maternal weight gain (r=0.19,<jats:italic>P<\/jats:italic>=0.008). As a conclusion, intestinal permeability increased with the progression of pregnancy in overweight and obese women and was reflected in LPS activity. No efficacy of supplementation with probiotics and\/or LC-PUFA was demonstrated in pregnancy-induced changes in serum zonulin concentration or LPS activity.<\/jats:p>","DOI":"10.3920\/bm2017.0072","type":"journal-article","created":{"date-parts":[[2018,1,18]],"date-time":"2018-01-18T10:26:01Z","timestamp":1516271161000},"page":"199-208","source":"Crossref","is-referenced-by-count":20,"title":["The impact of probiotics and n-3 long-chain polyunsaturated fatty acids on intestinal permeability in pregnancy: a randomised clinical trial"],"prefix":"10.1163","volume":"9","author":[{"given":"K.","family":"Mokkala","sequence":"first","affiliation":[{"name":"Institute of Biomedicine, University of Turku, 20014 Turku, Finland."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P.","family":"Pussinen","sequence":"additional","affiliation":[{"name":"Oral and Maxillofacial Diseases, University of Helsinki and University Hospital of Helsinki, 00014 Helsinki, 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