Mild Blast Exposure Dysregulates Metabolic Pathways and Correlation Networking as Evident from LC-MS-Based Plasma...

Area of Science:

• Biochemistry
• Neuroscience
• Systems Biology

Background:

• Blast-induced trauma (BIT) presents a complex pathophysiology affecting multiple organs beyond the brain.
• Understanding the systemic metabolic consequences of mild blast trauma is crucial for developing effective treatments.

Purpose of the Study:

• To identify plasma metabolic dysregulations and temporal changes following blast exposure in a preclinical model.
• To elucidate the complex molecular networks underlying blast-induced neurotrauma (BINT) and its systemic effects.

Main Methods:

• Utilized liquid chromatography-mass spectrometry (LC-MS) for plasma metabolic profiling.
• Employed advanced metabolomic and statistical bioinformatic platforms for data analysis.
• Investigated temporal changes at 5-6 hours, day 1, and day 7 post-injury.

Main Results:

• Significant metabolic changes were observed as early as 5-6 hours post-injury, peaking at day 1 and progressing through day 7.
• Identified dysregulations in amino acids, energy metabolism, lipids, vitamins, hormones, and nucleic acid pathways.
• Detected markers of systemic effects, including renal dysfunction, and explored pathway dysregulations in amino acid metabolism, lipid peroxidation, and nucleic acid damage.

Conclusions:

• This study provides comprehensive insights into the metabolic pathophysiology of blast-induced neurotrauma and associated systemic effects.
• Findings highlight potential biomarkers and biological mechanisms underlying blast trauma, aiding future therapeutic strategies.
• The research offers a detailed exploration of metabolic pathway perturbations in preclinical models of mild blast trauma.