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Epigenetic Regulation

Epigenetic Regulation

Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...

Epigenetic Regulation

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.

Epigenetic Regulation

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.

Gene-Environment Interactions

Gene-Environment Interactions

Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...

Background and Environment Affect Phenotype

Background and Environment Affect Phenotype

Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...

Genomic Imprinting and Inheritance

Genomic Imprinting and Inheritance

Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...

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Related Experiment Video

Updated: Jun 26, 2026

Stable Isotope In-Vivo Labeling for Mass-Spectrometry Identification of Paternal Metabolites Transferred from Sperm to Oocyte During Fertilization

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Does the uremic milieu affect the epigenotype?

Peter Stenvinkel¹, Tomas J Ekström

¹Division of Renal Medicine, Department of Clinical Science, Intervention, and Technology, Karolinska Institutet, Stockholm, Sweden. peter.stenvinkel@ki.se

Journal of Renal Nutrition : the Official Journal of the Council on Renal Nutrition of the National Kidney Foundation

|January 6, 2009

Summary

Epigenetics, particularly DNA methylation, plays a crucial role in chronic kidney disease (CKD) progression and vascular complications. Further research is needed to explore epigenetic therapies for CKD.

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Area of Science:

Epigenetics and Nephrology
Vascular Biology
Genomics and Molecular Biology

Background:

Epigenetics, the study of heritable changes in gene expression without altering the DNA sequence, is increasingly recognized for its role in complex diseases.
Understanding the epigenetic mechanisms, such as DNA methylation, in chronic kidney disease (CKD) is still in its early stages.
Aberrant epigenetic modifications are implicated in the development of uremic dysmetabolism and premature vascular disease in CKD patients.

Purpose of the Study:

To highlight the need for further research into the associations between aberrant DNA methylation and uremic dysmetabolism in CKD.
To investigate the complex interactions of epigenetic alterations in the pathogenesis of premature vascular disease in CKD.
To explore the potential of epigenetic-targeted therapies for managing vascular complications in uremia.

Main Methods:

This study is a review and synthesis of current knowledge, emphasizing the need for further experimental and clinical investigations.
Focus on analyzing the association between global DNA methylation, gene-specific methylation patterns, and gene expression in atherosclerosis related to CKD.
Proposed exploration of therapeutic strategies targeting the epigenome and related pathways.

Main Results:

Current understanding of epigenetics in CKD is limited, necessitating more research.
Aberrant DNA methylation is linked to uremic dysmetabolism and vascular disease in CKD.
Gene silencing or activation due to epigenetic changes is associated with atherosclerosis.

Conclusions:

Further research is essential to elucidate the role of epigenetics, particularly DNA methylation, in CKD pathogenesis and vascular complications.
Investigating epigenetic modifications and their impact on gene expression is crucial for understanding atherosclerosis in CKD.
Exploring epigenetic-targeted therapies holds promise for improving vascular health outcomes in uremic patients.