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Serum CathepsinD in pregnancy: Relation with metabolic and inflammatory markers and effects of fish oils and probiotics

Vahlberg Tero; Plat Jogchum; Gustafsson Johanna; Shiri-Sverdlov Ronit; Laitinen Kirsi; Mokkala Kati; Vreugdenhil Anita CE; Ding Lingling

Serum CathepsinD in pregnancy: Relation with metabolic and inflammatory markers and effects of fish oils and probiotics

Vahlberg Tero
Plat Jogchum
Gustafsson Johanna
Shiri-Sverdlov Ronit
Laitinen Kirsi
Mokkala Kati
Vreugdenhil Anita CE
Ding Lingling
Katso/Avaa
1-s2.0-S0939475322000904-main.pdf (422.2Kb)
Lataukset: 

doi:10.1016/j.numecd.2022.02.011
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Julkaisun pysyvä osoite on:
https://urn.fi/URN:NBN:fi-fe2022081154677
Tiivistelmä

Background and aims: Elevated circulating levels of CathepsinD (CatD) have been linked to metabolic deviations including liver inflammation. We investigated 1) whether supplementation with probiotics and/or fish oil affects CatD and 2) whether the CatD concentration would associate with gestational diabetes (GDM), low-grade inflammation, lipid metabolism, body fat % and dietary composition.

Methods and results: Overweight/obese pregnant women (n = 438) were randomized into fish oil + placebo, probiotics + placebo, fish oil + probiotics or placebo + placebo groups. Fish oil contained 1.9 g docosahexaenoic acid and 0.22 g eicosapentaenoic acid and probiotics were Lacticaseibacillusrhamnosus HN001 (formerly Lactobacillusrhamnosus HN001) and Bifidobacteriumanimalis ssp. lactis 420, 1010 colony-forming units each). Serum CatD levels were analysed by ELISA, GlycA and lipid metabolites by NMR, high sensitive C-reactive protein (hsCRP) by immunoassay, and intakes of energy yielding nutrients and n-3 and n-6 fatty acids from food diaries at both early and late pregnancy. GDM was diagnosed by OGTT. CatD concentrations did not differ between the intervention groups or by GDM status. Multivariable linear models revealed that body fat % and GlycA affected CatD differently in healthy women and those with GDM.

Conclusion: The serum CatD concentration of pregnant women was not modified by this dietary intervention. Serum CatD was influenced by two parameters, body fat and low grade inflammation, which were dependent on the woman's GDM status. CLINICAL TRIAL REG. NO: NCT01922791, clinicaltrials.gov (secondary analysis).

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