The serum concentrations of perfluoroalkyl compounds were inversely associated with growth parameters in 2-year old

Young Ah Lee1, Jin Hee Kim2, Hae Woon Jung3

  • 1Department of Pediatrics, Seoul National University Children's Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.

Insights

Serum perfluoroalkyl compounds (PFCs) were inversely associated with growth in 2-year-old Korean children. Higher PFC levels correlated with reduced height and weight, suggesting potential developmental impacts from these environmental contaminants.

Area of Science:

  • Environmental Health
  • Pediatric Growth
  • Toxicology

Background:

  • Perfluoroalkyl compounds (PFCs) are persistent environmental contaminants with potential health effects.
  • Understanding the impact of prenatal and early-life exposure to PFCs on child development is crucial.

Purpose of the Study:

  • To investigate the association between serum concentrations of various PFCs and growth parameters (height and weight) in 2-year-old Korean children.
  • To explore potential correlations between breastfeeding duration and serum PFC levels.

Main Methods:

  • Cross-sectional study involving 361 Korean children aged 22-27 months.
  • Measurement of serum concentrations for seven PFCs: PFHxS, PFOS, PFOA, PFNA, PFDA, PFUnDA, and PFHpA.
  • Statistical analysis to assess relationships between PFC levels, growth parameters, and breastfeeding duration, adjusting for covariates.

Main Results:

  • Seven PFCs were detected in most serum samples, with high detection rates for PFHxS, PFOS, PFOA, and PFNA.
  • Breastfeeding duration showed a positive association with serum concentrations of all measured PFCs.
  • Serum concentrations of PFHxS, PFOS, PFOA, PFNA, and PFDA were inversely associated with height at 2 years of age.
  • Serum PFNA concentration was inversely associated with weight at 2 years of age.

Conclusions:

  • Serum PFC concentrations are inversely associated with height and weight in 2-year-old children.
  • Breastfeeding may contribute to early-life PFC exposure.
  • These findings highlight the potential impact of environmental contaminants on early childhood growth and development.

Related Concept Videos

Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations01:15

Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations

Gentamicin, an aminoglycoside antibiotic, is commonly administered via intermittent intravenous infusion to treat severe infections. An intermittent one-hour infusion of gentamicin, administered at eight-hour intervals, allows for precise control of plasma drug concentrations, minimizing toxicity while ensuring therapeutic efficacy. Pharmacokinetic principles govern the dynamics of plasma concentrations and can be mathematically described using specific equations.The plasma drug concentration...
277
Drug Dosing in Renal Diseases: Measurement of Serum Creatinine Concentration and Clearance01:25

Drug Dosing in Renal Diseases: Measurement of Serum Creatinine Concentration and Clearance

In healthy individuals, serum creatinine levels remain stable due to a balance between its constant production—primarily from muscle metabolism—and renal excretion. Creatinine is freely filtered by the glomeruli, making it a valuable marker for estimating renal function. When the glomerular filtration rate (GFR) decreases, the kidneys can only eliminate less creatinine, causing serum levels to rise.Serum creatinine concentration is widely used to estimate creatinine clearance...
233
Inverse Trigonometric Functions01:29

Inverse Trigonometric Functions

Inverse trigonometric functions are fundamental mathematical tools that reverse the actions of standard trigonometric functions. While trigonometric functions map angles to ratios, inverse trigonometric functions perform the opposite operation by mapping a ratio back to its corresponding angle. These functions are essential in various applications, particularly in determining angles when given specific distances, such as calculating elevation angles in navigation and engineering.For a function...
308
Concentration and Rate Law03:03

Concentration and Rate Law

The rate of a reaction is affected by the concentrations of reactants. Rate laws (differential rate laws) or rate equations are mathematical expressions describing the relationship between the rate of a chemical reaction and the concentration of its reactants.
For example, in a generic reaction aA + bB ⟶ products, where a and b are stoichiometric coefficients, the rate law can be written as:
40.9K
Solution Concentration and Dilution02:59

Solution Concentration and Dilution

The relative amount of a given solution component is known as its concentration. Often, though not always, a solution contains one component with a concentration that is significantly greater than that of all other components. This component is called the solvent and may be viewed as the medium in which the other components are dispersed or dissolved. Solutions in which water is the solvent are, of course, very common on our planet. A solution in which water is the solvent is called an aqueous...
135.5K
Inverse Hyperbolic Functions and Their Derivatives01:25

Inverse Hyperbolic Functions and Their Derivatives

The shape of a suspension bridge cable hanging under its own weight is described by a catenary curve, which is modeled using the hyperbolic cosine function. This mathematical model accurately captures the balance between gravity and tension acting along the cable. When a particular vertical position on the cable is known, the corresponding horizontal position can be determined using the inverse hyperbolic cosine function, allowing for a detailed analysis of the cable's geometry.Inverse...
83