Related Experiment Video
Updated: Jul 18, 2026

19:15
Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
External influences on the fetus and their long-term consequences
1MRC Resource Centre, Southampton General Hospital, Southampton, UK. diwp@mrc.soton.ac.uk
Lupus
|December 13, 2006
Summary
Low birth weight may increase adult cardiovascular disease risk due to developmental programming. Emerging evidence suggests intrauterine influences also impact immune system development, potentially contributing to autoimmune diseases.
Area of Science:
- Developmental biology
- Immunology
- Epidemiology
Background:
- The developmental origins hypothesis links low birth weight to adult cardiovascular disease.
- This hypothesis posits that early-life environmental exposures cause lasting physiological changes.
- Developmental plasticity or programming explains these long-term effects, supported by animal studies.
Purpose of the Study:
- To explore the role of developmental plasticity in immune system development.
- To investigate the potential link between early-life environment and autoimmune disease pathogenesis.
- To review evidence for programming effects on immune function and autoimmune disease risk.
Main Methods:
- Review of animal studies on intrauterine environment and immune function.
- Analysis of human epidemiological data correlating birth weight with adult health outcomes.
- Examination of preliminary human evidence on early environment and autoimmune diseases.
Main Results:
- Animal studies demonstrate profound, long-lasting effects of the intrauterine environment on immune function.
- Preliminary human data suggest associations between birth weight and autoimmune disease prevalence.
- Evidence indicates developmental programming may extend to immune system development.
Conclusions:
- The intrauterine environment significantly influences immune system development and function.
- Developmental programming is a plausible mechanism linking early-life exposures to autoimmune diseases.
- Further human research is needed to confirm the role of developmental origins in autoimmune disease etiology.
Related Concept Videos
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...
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...
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...
Development of the Oral Microbiota
The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...
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...
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...
Types of Toxins
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Development of Blood Vessels
The development of the vascular system in a fetus is a complex and intricate process that begins as early as 15 to 16 days post-conception. This process starts outside the embryo, specifically in the mesoderm of the yolk sac, chorion, and connecting stalk. Approximately two days later, the formation of blood vessels occurs within the embryo itself.
The initial formation of this system is facilitated by the small amount of yolk present in the ovum and yolk sac. Blood vessels originate from...
The initial formation of this system is facilitated by the small amount of yolk present in the ovum and yolk sac. Blood vessels originate from...
