Metabolomics Approach Based on Multivariate Techniques for Blood Transfusion Reactions

Area of Science:

• Biochemistry
• Immunology
• Metabolomics

Background:

• Perioperative allogeneic blood transfusions (ABT) carry risks and trigger immune/non-immune responses.
• Global metabolic alterations following ABT remain poorly understood.
• Investigating metabolic changes provides insight into transfusion reactions.

Purpose of the Study:

• To investigate metabolite changes induced by ABT in a rat model.
• To compare metabolic profiles between allogeneic and autologous blood transfusions.
• To identify potential biomarkers of transfusion reactions.

Main Methods:

• Utilized metabolomics technology in a rat model.
• Employed liquid chromatography-quadrupole time-of-flight high-definition mass spectrometry (LC-QTOF-HDMS) and gas chromatography-mass spectrometry (GC-MS).
• Analyzed alterations in glucose, lipid, and amino acid metabolism.

Main Results:

• ABT promoted a stimulatory microenvironment with increased glucose transporter 1/4 (GLUT1/GLUT4) expression.
• Abnormal expression of glucose metabolism enzyme IRS1 and interleukin-6 (IL-6) observed.
• Significant alterations in lysophosphatidylcholine (LysoPC), phospholipase A2 (PLA2), and amino acid metabolism detected in allogeneic groups.

Conclusions:

• Significant metabolic differences exist between allogeneic and autologous blood transfusions.
• ABT induces widespread metabolic alterations, including changes in glucose, lipid, and amino acid pathways.
• Findings correlate with cancer-associated metabolic changes, offering insights into transfusion reactions.