Correction: Comparison of the broncoalveolar lavage fluid proteomics between foals and adult horses.

Comparison of the bronchoalveolar lavage fluid proteomics between foals and adult horses investigates the differences in protein composition in the lung fluid of young and mature horses to better understand developmental changes in lung biology.

Background and Purpose

• The study focuses on bronchoalveolar lavage fluid (BALF), a sample from the lower respiratory tract containing proteins reflecting lung health and function.
• Proteomics is the large-scale study of proteins; analyzing BALF proteomics helps identify proteins involved in lung development, immune defense, and disease processes.
• The research compares BALF protein profiles between foals (young horses) and adult horses to explore developmental differences in lung physiology and immune system components.
• Understanding these differences may aid in improving equine respiratory health management and veterinary diagnostics.

Methods

• Bronchoalveolar lavage fluid was collected from both foals and adult horses using a standardized procedure to ensure comparable samples.
• Proteins in the BALF samples were extracted and subjected to proteomic analysis, typically involving mass spectrometry to identify and quantify the proteins present.
• Data analysis involved comparing protein expression levels between the two groups to detect significant differences in protein abundance.
• Bioinformatics tools were likely used to categorize proteins by function, pathways, and potential relevance to lung development or disease.

Key Findings

• The study identified distinct differences in the proteomic profiles between foals and adult horses, indicating developmental changes in the lung environment.
• Certain proteins involved in immune responses, lung tissue remodeling, or metabolic processes were more abundant or exclusively present in one group.
• The findings suggest that the lung proteome evolves with age reflecting maturation of immune defense and structural components of the lungs.
• Some proteins that are critical in adult lung homeostasis might be underrepresented in foals, possibly explaining increased susceptibility to respiratory infections in young horses.

Implications of the Research

• Provides a molecular baseline for understanding normal lung development in horses from neonates to adults.
• Facilitates identification of potential biomarkers for early lung disease diagnosis or monitoring in foals versus adults.
• May inform the development of age-specific treatments or preventive measures targeting respiratory health in equine practice.
• Contributes to the broader field of veterinary medicine by highlighting age-related proteomic changes in respiratory tract fluids.

Correction Note

• This article serves as a correction for a previously published article with DOI: 10.1371/journal.pone.0290778.
• The correction ensures accurate representation of the study details, authorship, or data related to the comparison of BALF proteomics between foals and adult horses.