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Human Breast Milk Exosomal miRNAs are Influenced by Premature Delivery and Affect Neurodevelopment.
Ma, Ling; Huo, Yanyan; Tang, Qingyuan; Wang, Xiulian; Wang, Weiqin; Wu, Dan; Li, Yicheng; Chen, Lingyan; Wang, Shasha; Zhu, Yiwen; Wang, Wenli; Liu, Yuan; Xu, Nanjie; Chen, Li; Yu, Guangjun; Chen, Jinjin.
Affiliation
  • Ma L; Department of Child Health Care, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200062, China.
  • Huo Y; Department of Child Health Care, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200062, China.
  • Tang Q; Guangdong Provincial Key Laboratory of Brain Function and Disease, Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China.
  • Wang X; Department of Child Health Care, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200062, China.
  • Wang W; Department of Child Health Care, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200062, China.
  • Wu D; Department of Child Health Care, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200062, China.
  • Li Y; Department of Child Health Care, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200062, China.
  • Chen L; Department of Child Health Care, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200062, China.
  • Wang S; Department of Occupational Therapy Science, Nagasaki University Graduate School of Biomedical Science, 1-7-1 Sakamoto, Nagasaki, 852-8520, Japan.
  • Zhu Y; Department of Child Health Care, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200062, China.
  • Wang W; Department of Food Science & Technology, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai, 200240, China.
  • Liu Y; Department of Food Science & Technology, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai, 200240, China.
  • Xu N; Department of Food Science & Technology, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai, 200240, China.
  • Chen L; Department of Anatomy and Physiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Yu G; Department of Orthodontics, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, 200001, China.
  • Chen J; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
Mol Nutr Food Res ; 68(9): e2300113, 2024 May.
Article in En | MEDLINE | ID: mdl-38644336
ABSTRACT
SCOPE This study investigates the exosomal microRNA (miRNA) profiles of term and preterm breast milk, including the most abundant and differentially expressed (DE) miRNAs, and their impact on neurodevelopment in infants. METHODS AND

RESULTS:

Mature milk is collected from the mothers of term and preterm infants. Using high-throughput sequencing and subsequent data analysis, exosomal miRNA profiles of term and preterm human breast milk (HBM) are acquired and it is found that the let-7 and miR-148 families are the most abundant miRNAs. Additionally, 23 upregulated and 15 downregulated miRNAs are identified. MiR-3168 is the most upregulated miRNA in preterm HBM exosome, exhibiting targeting activity toward multiple genes involved in the SMAD and MAPK signaling pathways and playing a crucial role in early neurodevelopment. Additionally, the effects of miR-3168 on neurodevelopment is confirmed and it is determined that it is an essential factor in the differentiation of neural stem cells (NSCs).

CONCLUSION:

This study demonstrates that miRNA expression in breast milk exosomes can be influenced by preterm delivery, thereby potentially impacting neurodevelopment in preterm infants.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: MicroRNAs / Exosomes / Milk, Human Limits: Female / Humans / Newborn Language: En Journal: Mol Nutr Food Res Journal subject: CIENCIAS DA NUTRICAO Year: 2024 Document type: Article Affiliation country:
Fulltext
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: MicroRNAs / Exosomes / Milk, Human Limits: Female / Humans / Newborn Language: En Journal: Mol Nutr Food Res Journal subject: CIENCIAS DA NUTRICAO Year: 2024 Document type: Article Affiliation country: