Adenosine kinase and cardiovascular fetal programming in gestational diabetes mellitus

Luis Silva1, Torsten Plösch2, Fernando Toledo3

  • 1Cellular and Molecular Physiology Laboratory (CMPL), Department of Obstetrics, Division of Obstetrics and Gynaecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile; Immunoendocrinology, Division of Medical Biology, Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen (UMCG), Groningen 9700 RB, the Netherlands.

Insights

Gestational diabetes mellitus (GDM) disrupts adenosine metabolism in the fetoplacental vasculature. This may cause fetal programming, leading to long-term cardio-metabolic risks in offspring.

Area of Science:

  • Obstetrics and Gynecology
  • Cardiovascular Research
  • Developmental Biology

Background:

  • Gestational diabetes mellitus (GDM) negatively impacts pregnancy, causing endothelial dysfunction and inflammation in fetoplacental vasculature.
  • GDM is linked to altered adenosine metabolism, a key vasoactive molecule involved in cellular transmethylation reactions.
  • Offspring of mothers with GDM exhibit increased long-term cardio-metabolic risks.

Purpose of the Study:

  • To investigate the role of adenosine kinase in GDM-induced fetal programming.
  • To explore the link between GDM, adenosine kinase dysregulation, and cardio-metabolic outcomes in offspring.

Main Methods:

  • The study proposes a hypothesis based on existing literature regarding GDM, adenosine metabolism, and fetal programming.
  • Mechanistic insights into adenosine kinase function and its regulation in the context of GDM are discussed.

Main Results:

  • GDM is hypothesized to dysregulate adenosine kinase in the fetoplacental vasculature.
  • This dysregulation may disrupt methylation-dependent gene expression, contributing to fetal programming.
  • Altered adenosine kinase activity is proposed as a mechanism linking GDM exposure to long-term cardio-metabolic consequences in offspring.

Conclusions:

  • Cellular and molecular changes in GDM can dysregulate adenosine kinase.
  • Adenosine kinase dysregulation in the fetoplacental vasculature is a potential mechanism for GDM-induced fetal programming.
  • This pathway may underlie the increased cardio-metabolic risk observed in offspring exposed to GDM.

Related Concept Videos

Diabetes Mellitus: Type 2 and Gestational01:22

Diabetes Mellitus: Type 2 and Gestational

Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
4.9K
Diabetes Mellitus: Overview and Type I Subtype01:22

Diabetes Mellitus: Overview and Type I Subtype

Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
5.3K
Protein Kinases and Phosphatases02:54

Protein Kinases and Phosphatases

Proteins undergo chemical modifications that trigger changes in the charge, structure, and conformation of the proteins. Phosphorylation, acetylation, glycosylation, nitrosylation, ubiquitination, lipidation, methylation, and proteolysis are various protein modifications that regulate protein activity. Such modifications are usually enzyme-driven.
Protein kinases
Many proteins in the cell are regulated by phosphorylation, the addition of a phosphate group. A family of enzymes called kinases...
15.1K
Protein Kinases and Phosphatases02:54

Protein Kinases and Phosphatases

4.5K
Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
3.5K
Overview of the Cardiovascular System01:14

Overview of the Cardiovascular System

The cardiovascular system is a vital transportation system in the body. It comprises the heart and blood vessels and facilitates the exchange of gases, nutrients, and waste products.
Heart
The heart is the central pump of the cardiovascular system that circulates blood throughout the body. It comprises two atria receiving the blood and two ventricles pumping blood out of the heart. Their rhythmic contractions, called heartbeats, ensure that blood flow remains continuous.
Blood Vessels
Blood...
11.8K