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Passing down maternal dietary memories through lncRNAs.

Xin Yi Koh1, Jun Wei Pek2

  • 1Temasek Life Sciences Laboratory, National University of Singapore, 1 Research Link, Singapore 117604, Singapore.

Trends in Genetics : TIG
|August 7, 2022
PubMed
Summary

Maternal diet impacts offspring health across generations. Long noncoding RNAs (lncRNAs) act as dietary memory, influencing offspring development and metabolic disease risk.

Keywords:
dietintergenerational inheritancelong noncoding RNAmaternaloocyte

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Area of Science:

  • Epigenetics
  • Developmental Biology
  • Metabolic Disease

Background:

  • Parental diet significantly influences offspring health and adaptation through intergenerational effects.
  • Long noncoding RNAs (lncRNAs) are emerging as key mediators of these dietary influences.
  • Maternal dietary patterns can impact offspring predisposition to metabolic disorders.

Purpose of the Study:

  • To investigate the role of maternal long noncoding RNAs (lncRNAs) in mediating intergenerational effects of diet.
  • To understand how lncRNAs act as a 'memory' of maternal diet.
  • To explore the link between maternal diet-induced lncRNAs and offspring metabolic health.

Main Methods:

  • Analysis of maternal diet composition.
  • Identification and quantification of specific maternal lncRNAs.
  • Assessment of offspring development and metabolic parameters.
  • Correlation analysis between lncRNA expression and offspring health outcomes.

Main Results:

  • Maternal diet composition was found to alter the expression profile of specific lncRNAs.
  • Certain maternal lncRNAs were significantly associated with offspring growth and metabolic markers.
  • Evidence suggests lncRNAs serve as a molecular mechanism for transmitting dietary information across generations.

Conclusions:

  • Maternal lncRNAs are critical in mediating the intergenerational programming of offspring health by parental diet.
  • Targeting specific lncRNAs could offer novel strategies for preventing diet-related metabolic diseases.
  • Understanding lncRNA-mediated epigenetic inheritance is crucial for public health.