Metabolic Biomarkers Differentiate a Surgical Intervertebral Disc from a Nonsurgical Intervertebral Disc

被引:3
|
作者
Toczylowska, Beata [1 ]
Woznica, Michal [2 ]
Zieminska, Elzbieta [3 ]
Krolicki, Leszek [4 ]
机构
[1] Polish Acad Sci, Nalecz Inst Biocybernet & Biomed Engn, PL-02109 Warsaw, Poland
[2] 7th Navy Hosp, Spinal Unit, PL-80305 Gdansk, Poland
[3] Polish Acad Sci, Mossakowski Med Res Inst, PL-02106 Warsaw, Poland
[4] Warsaw Med Univ, Dept Nucl Med, PL-02091 Warsaw, Poland
关键词
nucleus pulposus; metabolic profiles; NMR spectroscopy; dehydrated intervertebral disc;
D O I
10.3390/ijms241310572
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Background: Degeneration of the intervertebral disc (IVD) is caused by disturbances in metabolic processes, which lead to structural disorders. The aim of this report is to analyze metabolic disorders in the degeneration process by comparing control discs with degenerated discs. In our research on the nucleus pulposus (NP), we used NMR spectroscopy of extracts of hydrophilic and hydrophobic compounds of the tissue. Methods: Nuclear magnetic resonance (NMR) spectroscopy allows the study of biochemistry and cellular metabolism in vitro. Hydrophilic and hydrophobic compounds were extracted from the NP of the intervertebral disc. In the NMR spectra, metabolites were identified and quantitatively analyzed. The results of our research indicate disturbances in the biosynthesis and metabolism of cholesterol, the biosynthesis and degradation of various fatty acid groups, ketone bodies, or lysine, and the metabolism of glycerophospholipids, purines, glycine, inositol, galactose, alanine, glutamate, and pyruvate in the biosynthesis of valine and isoleucine, leucine. All these disorders indicate pathomechanisms related to oxidative stress, energy, neurotransmission disturbances, and disturbances in the structure and functioning of cell membranes, inflammation, or chronic pain generators. Conclusions: NMR spectroscopy allows the identification of metabolites differentiating surgical from nonsurgical discs. These data may provide guidance in in vivo MRS studies in assessing the severity of lesions of the disc.
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页数:10
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