Placental fatty acid transfer

Rohan M Lewis1, Christian Wadsack2, Gernot Desoye3

  • 1Faculty of Medicine, University of Southampton, Southampton General Hospital, England, UK.

Insights

Recent advances reveal placental lipid transport impacts fetal development and childhood obesity risk. Novel transporters like Mfsd2a are key for docosahexaenoic acid (DHA) transfer, crucial for neurodevelopment.

Area of Science:

  • Reproductive biology
  • Maternal-fetal medicine
  • Nutritional science

Background:

  • Placental lipid metabolism influences fetal nutrient supply.
  • Maternal metabolic status, including obesity, affects placental function.
  • Essential fatty acids are critical for fetal development.

Purpose of the Study:

  • To review advances in placental lipid transport.
  • To examine the link between maternal metabolic status and placental lipid transfer.
  • To understand the role of placental lipid transfer in fetal neurodevelopment and childhood obesity.

Main Methods:

  • Literature review of recent research on placental lipid transport.
  • Analysis of studies on maternal obesity and placental lipid metabolism.
  • Investigation of novel fatty acid transporters and their function.

Main Results:

  • Placental lipid metabolism significantly impacts fatty acid delivery to the fetus.
  • Maternal obesity alters placental lipid metabolism, affecting fetal development.
  • Nontraditional transporters, such as Mfsd2a, play a crucial role in docosahexaenoic acid (DHA) transfer.

Conclusions:

  • Placental lipid metabolism is a key determinant of fetal fatty acid supply.
  • Maternal conditions like obesity can disrupt placental lipid transfer and fetal outcomes.
  • Further research is needed to clarify how placental lipid metabolism regulation influences long-term child health.
Abstract

Related Concept Videos

Fetal Circulation01:14

Fetal Circulation

Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
3.4K
Transcytosis of IgG01:15

Transcytosis of IgG

Transcytosis is the process in which molecules are internalized by endocytosis, transported across the cell, and released through exocytosis from the opposite end of the cell. Molecules such as insulin, immunoglobulins, and certain nutrients are transferred through the recycling endosomes by recycling and transcytosis.
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
4.2K
Overview of Fatty Acid Metabolism01:28

Overview of Fatty Acid Metabolism

Lipids also are sources of energy that power cellular processes. Like carbohydrates, lipids are composed of carbon, hydrogen, and oxygen, but these atoms are arranged differently. Most lipids are nonpolar and hydrophobic. Major types include fats and oils, waxes, phospholipids, and steroids.
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
37.3K
Lipids as Anchors01:32

Lipids as Anchors

In the plasma membrane, the lipids forming the bilayer can also act as an anchor to tether proteins to the membrane. The three main types of lipid anchors found in eukaryotes are – prenyl groups, fatty acyl groups, and glycosylphosphatidylinositol or GPI groups. Prenyl and fatty acyl groups act as anchors on the cytosolic surface of the membrane, whereas GPI anchors proteins on the extracellular side.
The carboxy-terminal of most of the prenylated proteins, such as Ras proteins, contains...
7.5K
Physiological Barriers01:25

Physiological Barriers

Physiological barriers are semi-permeable cellular structures restricting drug diffusion into intracellular compartments and tissues. There are six types of physiological barriers: blood endothelial, cell membrane, blood-brain, blood-cerebrospinal fluid (CSF), blood-placenta, and blood-testis barriers.
The blood endothelial barrier is the most porous of these. It allows all small ionized, un-ionized, and lipophilic molecules to pass through the endothelial lining into the interstitial space...
5.3K
Fats as Energy Storage Molecules01:06

Fats as Energy Storage Molecules

Triglycerides are a form of long-term energy storage molecules. They are made of glycerol and three fatty acids. To obtain energy from fat, triglycerides must first be broken down by hydrolysis into their two principal components, fatty acids and glycerol. This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl-CoA, which is used by the Krebs cycle. The glycerol that is released from triglycerides after lipolysis...
27.2K