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Li L, Yang J, Liu T, Shi Y. Role of the gut-microbiota-metabolite-brain axis in the pathogenesis of preterm brain injury. Biomed Pharmacother 2023; 165:115243. [PMID: 37517290 DOI: 10.1016/j.biopha.2023.115243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/09/2023] [Accepted: 07/25/2023] [Indexed: 08/01/2023] Open
Abstract
Brain injury, a common complication in preterm infants, includes the destruction of the key structural and functional connections of the brain and causes neurodevelopmental disorders; it has high morbidity and mortality rates. The exact mechanism underlying brain injury in preterm infants is unclear. Intestinal flora plays a vital role in brain development and the maturation of the immune system in infants; however, detailed understanding of the gut microbiota-metabolite-brain axis in preterm infants is lacking. In this review, we summarise the key mechanisms by which the intestinal microbiota contribute to neurodevelopment and brain injury in preterm infants, with special emphasis on the influence of microorganisms and their metabolites on the regulation of neurocognitive development and neurodevelopmental risks related to preterm birth, infection and neonatal necrotising enterocolitis (NEC). This review provides support for the development and application of novel therapeutic strategies, including probiotics, prebiotics, synbiotics, and faecal bacteria transplantation targeting at brain injury in preterm infants.
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Affiliation(s)
- Ling Li
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China.
| | - Jiahui Yang
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China.
| | - Tianjing Liu
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China.
| | - Yongyan Shi
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China.
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Wu D, Wang S, Hai C, Wang L, Pei D, Bai C, Su G, Liu X, Zhao Y, Liu Z, Yang L, Li G. The Effect of MSTN Mutation on Bile Acid Metabolism and Lipid Metabolism in Cattle. Metabolites 2023; 13:836. [PMID: 37512543 PMCID: PMC10384915 DOI: 10.3390/metabo13070836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/29/2023] [Accepted: 07/08/2023] [Indexed: 07/30/2023] Open
Abstract
Myostatin (MSTN) is a negative regulator of skeletal muscle genesis during development. MSTN mutation leads to increased lean meat production and reduced fat deposition in livestock. However, the mechanism by which MSTN promotes myogenesis by regulating metabolism is not clear. In this study, we compared the metabolomics of the livers of wild-type (WT) and MSTN mutation cattle (MT), and found changes in the content and proportion of fatty acids and bile acids in MT cattle. The differential metabolites were enriched in sterol synthesis and primary bile acid synthesis. We further analyzed the expression of genes involved in the regulation of lipid and bile acid metabolism, and found that the loss of MSTN may alter lipid synthesis and bile acid metabolism. This study provides new basic data for MSTN mutations in beef cattle breeding.
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Affiliation(s)
- Di Wu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Song Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Chao Hai
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Linfeng Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Dongchao Pei
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Chunling Bai
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Guanghua Su
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Xuefei Liu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Yuefang Zhao
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Zhonghua Liu
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Lei Yang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
| | - Guangpeng Li
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010021, China
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Perinatal Hyperoxia and Developmental Consequences on the Lung-Brain Axis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:5784146. [PMID: 35251477 PMCID: PMC8894035 DOI: 10.1155/2022/5784146] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 01/04/2022] [Indexed: 12/12/2022]
Abstract
Approximately 11.1% of all newborns worldwide are born preterm. Improved neonatal intensive care significantly increased survival rates over the last decades but failed to reduce the risk for the development of chronic lung disease (i.e., bronchopulmonary dysplasia (BPD)) and impaired neurodevelopment (i.e., encephalopathy of prematurity (EoP)), two major long-term sequelae of prematurity. Premature infants are exposed to relative hyperoxia, when compared to physiological in-utero conditions and, if needed to additional therapeutic oxygen supplementation. Both are associated with an increased risk for impaired organ development. Since the detrimental effects of hyperoxia on the immature retina are known for many years, lung and brain have come into focus in the last decade. Hyperoxia-induced excessive production of reactive oxygen species leading to oxidative stress and inflammation contribute to pulmonary growth restriction and abnormal neurodevelopment, including myelination deficits. Despite a large body of studies, which unraveled important pathophysiological mechanisms for both organs at risk, the majority focused exclusively either on lung or on brain injury. However, considering that preterm infants suffering from BPD are at higher risk for poor neurodevelopmental outcome, an interaction between both organs seems plausible. This review summarizes recent findings regarding mechanisms of hyperoxia-induced neonatal lung and brain injury. We will discuss common pathophysiological pathways, which potentially link both injured organ systems. Furthermore, promises and needs of currently suggested therapies, including pharmacological and regenerative cell-based treatments for BPD and EoP, will be emphasized. Limited therapeutic approaches highlight the urgent need for a better understanding of the mechanisms underlying detrimental effects of hyperoxia on the lung-brain axis in order to pave the way for the development of novel multimodal therapies, ideally targeting both severe preterm birth-associated complications.
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Heymans C, den Dulk M, Lenaerts K, Heij LR, de Lange IH, Hadfoune M, van Heugten C, Kramer BW, Jobe AH, Saito M, Kemp MW, Wolfs TGAM, van Gemert WG. Chorioamnionitis induces hepatic inflammation and time-dependent changes of the enterohepatic circulation in the ovine fetus. Sci Rep 2021; 11:10331. [PMID: 33990635 PMCID: PMC8121927 DOI: 10.1038/s41598-021-89542-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 04/19/2021] [Indexed: 11/10/2022] Open
Abstract
Chorioamnionitis, inflammation of fetal membranes, is an important cause of preterm birth and a risk factor for the development of adverse neonatal outcomes including sepsis and intestinal pathologies. Intestinal bile acids (BAs) accumulation and hepatic cytokine production are involved in adverse intestinal outcomes. These findings triggered us to study the liver and enterohepatic circulation (EHC) following intra-amniotic (IA) lipopolysaccharide (LPS) exposure. An ovine chorioamnionitis model was used in which circulatory cytokines and outcomes of the liver and EHC of preterm lambs were longitudinally assessed following IA administration of 10 mg LPS at 5, 12 or 24h or 2, 4, 8 or 15d before preterm birth. Hepatic inflammation was observed, characterized by increased hepatic cytokine mRNA levels (5h - 2d post IA LPS exposure) and increased erythropoietic clusters (at 8 and 15 days post IA LPS exposure). Besides, 12h after IA LPS exposure, plasma BA levels were increased, whereas gene expression levels of several hepatic BA transporters were decreased. Initial EHC alterations normalized over time. Concluding, IA LPS exposure induces significant time-dependent changes in the fetal liver and EHC. These chorioamnionitis induced changes have potential postnatal consequences and the duration of IA LPS exposure might be essential herein.
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Affiliation(s)
- Cathelijne Heymans
- Department of Surgery, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, 6200, MD, Maastricht, the Netherlands
| | - Marcel den Dulk
- Department of Surgery, Maastricht University Medical Center+, 6202, AZ, Maastricht, the Netherlands.,Department of Surgery, University Hospital Aachen, 52074, Aachen, Germany
| | - Kaatje Lenaerts
- Department of Surgery, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, 6200, MD, Maastricht, the Netherlands
| | - Lara R Heij
- Department of Surgery, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, 6200, MD, Maastricht, the Netherlands.,Department of Surgery, University Hospital Aachen, 52074, Aachen, Germany.,Department of Pathology, University Hospital Aachen, 52074, Aachen, Germany
| | - Ilse H de Lange
- Department of Surgery, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, 6200, MD, Maastricht, the Netherlands.,Department of Pediatrics, School for Oncology and Developmental Biology (GROW), Maastricht University, 6200, MD, Maastricht, the Netherlands
| | - Mhamed Hadfoune
- Department of Surgery, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, 6200, MD, Maastricht, the Netherlands
| | - Chantal van Heugten
- Department of Surgery, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, 6200, MD, Maastricht, the Netherlands
| | - Boris W Kramer
- Department of Pediatrics, School for Oncology and Developmental Biology (GROW), Maastricht University, 6200, MD, Maastricht, the Netherlands.,Department of Pediatrics, Maastricht University Medical Center +, 6202, AZ, Maastricht, the Netherlands
| | - Alan H Jobe
- Division of Obstetrics and Gynecology, The University of Western Australia, Crawley, WA, 6009, Australia.,Division of Neonatology/Pulmonary Biology, Cincinnati Children's Hospital Medical Center, The Perinatal Institute, University of Cincinnati, Cincinnati, OH, 45229, USA
| | - Masatoshi Saito
- Division of Obstetrics and Gynecology, The University of Western Australia, Crawley, WA, 6009, Australia.,Center for Perinatal and Neonatal Medicine, Tohoku University Hospital, Sendai, Miyagi, 980-8574, Japan
| | - Matthew W Kemp
- Division of Obstetrics and Gynecology, The University of Western Australia, Crawley, WA, 6009, Australia.,School of Veterinary and Life Sciences, Murdoch University, Perth, WA, 6150, Australia
| | - Tim G A M Wolfs
- Department of Pediatrics, School for Oncology and Developmental Biology (GROW), Maastricht University, 6200, MD, Maastricht, the Netherlands. .,Department of Biomedical Engineering (BMT), School for Cardiovascular Diseases (CARIM), Maastricht University, Universiteitssingel 50, P.O. Box 5800, 6200, MD, Maastricht, the Netherlands.
| | - Wim G van Gemert
- Department of Surgery, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, 6200, MD, Maastricht, the Netherlands.,Department of Surgery, Maastricht University Medical Center+, 6202, AZ, Maastricht, the Netherlands.,Department of Surgery, University Hospital Aachen, 52074, Aachen, Germany
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