Lipidomic Profiling and Biomarker Identification for Osteonecrosis of the Femoral Head
Author Information
Author(s): Yan Yuzhu, Wang Jihan, Wang Yangyang, Wu Wenjing, Chen Wei, Belluzzi Elisa, Ariyoshi Wataru
Primary Institution: The First Affiliated Hospital of Xi’an Jiaotong University
Hypothesis
The lipidomic profiles differ significantly between traumatic and non-traumatic osteonecrosis of the femoral head and specific lipid biomarkers may be associated with disease onset and progression.
Conclusion
The study highlights the importance of lipidomic profiling in understanding osteonecrosis of the femoral head and identifies potential biomarkers for diagnosis.
Supporting Evidence
- Distinct lipidomic signatures were observed in both traumatic and non-traumatic ONFH groups compared to healthy controls.
- LASSO regression identified 11 common lipid biomarkers that signify shared metabolic disruptions in both ONFH subtypes.
- Several lipid markers exhibited strong diagnostic performance with AUCs greater than 0.7.
- Subtype-specific lipid markers unique to traumatic and non-traumatic ONFH were identified.
Takeaway
This study looked at the fats in the blood of people with a bone disease to find clues that could help doctors diagnose and treat the disease better.
Methodology
Plasma samples were collected from 92 ONFH patients and 33 healthy controls, and lipidomic profiling was performed using UHPLC-MS/MS and LASSO regression for feature selection.
Potential Biases
Potential recall bias in self-reported trauma history and exclusion criteria for the control group may introduce bias.
Limitations
The study had a relatively small sample size and lacked detailed clinical information on corticosteroid use and trauma history.
Participant Demographics
92 ONFH patients (46 traumatic, 46 non-traumatic) and 33 healthy controls, with no significant differences in age, gender, or BMI.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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