Persistent Benefits of Early Gestational Chenodeoxycholic Acid Supplementation on Late Pregnancy in Sows via Sustained Modulation of the Gut-Metabolism Axis. - 2026
Persistent Benefits of Early Gestational Chenodeoxycholic Acid Supplementation on Late Pregnancy in Sows via Sustained Modulation of the Gut-Metabolism Axis.
Chenodeoxycholic acid; early gestation; gut microbiota; metabolic health; metabolomics; reproductive performance; sow model
Abstract :
[en] [en] BACKGROUND: Our previous studies in pigs have identified chenodeoxycholic acid (CDCA) as a potent metabolic regulator during early gestation, capable of enhancing embryo implantation by optimizing maternal metabolic status and gut microbiota-host interactions, while the long-term impacts of early gestational CDCA on late pregnancy remain largely unexplored.
OBJECTIVE: This study investigated whether supplementation with CDCA during early gestation (gestational day 0-28) exerts a sustained metabolic modulation effect on maternal health and reproductive outcomes in late gestation in a sow model.
METHODS: Multiparous sows (n = 24) were randomly assigned to receive either a control diet or a diet supplemented with 0.15% CDCA during early gestation. The reproductive performance, oxidative stress, inflammatory status, gut microbiome, and serum metabolome in late gestation were subsequently evaluated.
RESULTS: Results showed that early CDCA intervention significantly increased the total and live litter sizes (P < 0.05). Furthermore, CDCA treatment alleviated maternal oxidative stress and systemic inflammation, and improved insulin sensitivity in late gestation (P < 0.05). Untargeted metabolomics revealed a distinct metabolic remodeling, characterized by the enrichment of beneficial metabolites, such as L-ornithine, and the depletion of proinflammatory and oxidative markers, including 1-palmitoylphosphatidylcholine, 2-lysophosphatidylcholine, 3-hydroxyanthranilic acid, and N-carboxymethyllysine. 16S rRNA sequencing indicated that CDCA exerted a targeted modulation rather than a global reconstruction of the gut microbiota. Specifically, CDCA suppressed potential harmful bacteria, including NK4A214_group, Clostridium_sensu_stricto_1, and Turicibacter, while enriching beneficial genera like Subdoligranulum. Multi-omics integration identified NK4A214_group as a key driver associated with exacerbated inflammatory status and unfavorable metabolic profiles.
CONCLUSIONS: Collectively, these findings demonstrate that early-gestational CDCA supplementation elicits a long-term protective effect on maternal metabolism via optimizing specific gut microbe-metabolite interactions, thereby ensuring optimal gestational outcomes.
Disciplines :
Animal production & animal husbandry
Author, co-author :
Zhao, Ying ; Université de Liège - ULiège > TERRA Research Centre > Animal Sciences (AS)
Wang, Xiaolong; Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, P.R. China, College of Biological Engineering, Qingdao University of Science and Technology, Qingdao, 266000, China
Ma, Qian; Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, P.R. China, College of Biological Engineering, Qingdao University of Science and Technology, Qingdao, 266000, China
Liu, En; College of Life Science, Fuyang Normal College, Fuyang, 236041, P.R. China
Zhang, Dongyan; Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, P.R. China
Liu, Hui; Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, P.R. China
Cai, Long; Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, P.R. China
Wang, Jing; Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, P.R. China
Feng, Tao; Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, P.R. China
Schroyen, Martine ; Université de Liège - ULiège > TERRA Research Centre > Animal Sciences (AS)
Chen, Meixia ; Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, P.R. China. Electronic address: chenmeixia@baafs.net.cn
Language :
English
Title :
Persistent Benefits of Early Gestational Chenodeoxycholic Acid Supplementation on Late Pregnancy in Sows via Sustained Modulation of the Gut-Metabolism Axis.
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