Sex Differences in Offspring of Preeclamptic Pregnancies

Nathan Campbell1, Dylan Solise2, Evangeline Deer1

  • 1Department of Pharmacology & Toxicology, University of Mississippi Medical Center, Jackson, MS.

PubMed

Insights

Adverse pregnancy conditions like preeclampsia can lead to fetal growth restriction (FGR), increasing offspring

Area of Science:

  • Reproductive biology and developmental programming
  • Immunology and inflammation in pregnancy
  • Neurovascular and cardiovascular health in offspring

Background:

  • Poor uterine environments and fetal growth restriction (FGR) are linked to long-term offspring health issues, including cardiovascular and neurological diseases.
  • Preeclampsia (PE), a hypertensive pregnancy disorder, is characterized by inflammation and often results in FGR and preterm birth.
  • Existing research highlights sex differences in adult cardiovascular disease risk but less so for neurological disorders following PE pregnancies.

Purpose of the Study:

  • To review current research on sex differences in developmental programming of hypertension and neurological disorders after preeclampsia.
  • To address knowledge gaps regarding the immune system's role in FGR offspring developing hypertension or neurovascular disorders.
  • To examine the impact of sex on long-term health outcomes following adverse pregnancy conditions.

Main Methods:

  • Literature review of epidemiological studies and experimental models.
  • Analysis of research investigating the link between fetal exposure and adult disease.
  • Focus on studies examining sex-specific effects and immune system involvement.

Main Results:

  • Fetal exposure to adverse conditions, including PE, predisposes offspring to hypertension and neurological issues.
  • PE involves chronic inflammation and immune dysregulation.
  • Sex of the offspring influences the development of cardiovascular and potentially neurological diseases later in life.

Conclusions:

  • Understanding sex differences is crucial for comprehending the long-term health consequences of PE and FGR.
  • Further research is needed on the immune system's role and sex-specific therapeutic strategies.
  • Developmental programming following PE impacts offspring health, with potential sex-based variations.

Related Concept Videos

Meiosis vs. Mitosis02:57

Meiosis vs. Mitosis

Cell division is necessary for growth and reproduction in organisms. Mitosis aids cell growth and development by dividing somatic cells. In contrast, meiosis causes the division of germ cells and plays an essential role in sexual reproduction. Due to their unique functional requirements, mitosis and meiosis differ from each other in multiple aspects.
Before the start of mitosis and meiosis I, the cell synthesizes DNA, resulting in two homologous copies of each chromosome. DNA synthesis is...
57.2K
Development of the Sexual Organs in the Embryo and Fetus01:15

Development of the Sexual Organs in the Embryo and Fetus

Development of the reproductive organs in an embryo starts from a bipotential state. This means the early embryo can develop either male or female reproductive organs. The formation of these organs begins with the growth of gonadal ridges that arise from the intermediate mesoderm during the fifth week of development.
Near the gonadal ridges, two duct systems are present: the mesonephric ducts (Wolffian ducts) and paramesonephric ducts (Müllerian ducts). These ducts form the basis for the...
916
X and Y Chromosomes02:32

X and Y Chromosomes

Among mammals, the gender of an organism is determined by the sex chromosomes. Humans have two sex chromosomes, X and Y. Every human diploid cell has 22 pairs of autosomes and one pair of sex chromosomes. A human female has two X chromosomes, while a male has one X chromosome and one Y chromosome.
The germline cells such as egg and sperm cells carry only half the number of chromosomes, i.e., 22 autosomes and one sex chromosome. All eggs have an X chromosome, while sperm cells can carry an X or...
26.3K
Nondisjunction01:21

Nondisjunction

Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate correctly and move to the opposite poles of the cells. This produces daughter cells with abnormal chromosome numbers.  Nondisjunction is common during anaphase I or anaphase II of meiosis.  Mutations in synaptonemal complex proteins that attach homologous chromosomes increase the chances of nondisjunction in anaphase I of meiosis I. In contrast, mutations in topoisomerases and condensins that hold...
3.9K
Teratogenicity01:07

Teratogenicity

The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
2.5K
Sex-linked Disorders01:43

Sex-linked Disorders

Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
102.4K