Minireview: transgenerational epigenetic inheritance: focus on endocrine disrupting compounds

Area of Science:

• Epigenetics and Molecular Biology
• Genetics and Genomics
• Environmental Health Sciences

Background:

• The concept of inheritance extends beyond DNA mutations, encompassing environmentally influenced traits.
• Epigenetics provides mechanisms for transmitting biological traits across generations without altering DNA sequences.
• Transgenerational epigenetic inheritance is a rapidly developing field of scientific inquiry.

Purpose of the Study:

• To define transgenerational epigenetic inheritance and its associated nomenclature.
• To elucidate the primary epigenetic mechanisms involved in transgenerational inheritance.
• To review key examples, particularly those linked to endocrine-disrupting compounds (EDCs).
• To explore the utility of whole-genome profiling in understanding EDC-induced epigenetic inheritance.

Main Methods:

• Literature review and synthesis of existing research on epigenetics.
• Explanation of epigenetic mechanisms like DNA methylation and histone modification.
• Analysis of experimental studies involving parental exposure to endocrine-disrupting compounds.
• Discussion of whole-genome and epigenome-wide profiling techniques.

Main Results:

• Epigenetic mechanisms offer pathways for non-genetic inheritance.
• Endocrine-disrupting compounds can induce transgenerational epigenetic changes.
• Whole-genome profiling aids in identifying epigenetic alterations and mechanisms.

Conclusions:

• Transgenerational epigenetic inheritance is a significant biological phenomenon.
• Understanding these mechanisms is crucial for public health, especially concerning environmental exposures.
• Integrating genomic and epigenomic approaches is vital for advancing this research area.