2019
DOI: 10.1007/s11306-019-1491-8
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Global urinary metabolic profiling of the osteonecrosis of the femoral head based on UPLC–QTOF/MS

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Cited by 15 publications
(8 citation statements)
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“…Furthermore, l -serine and cystine levels significantly increased in the model group and slightly decreased in the treatment group. Gang et al showed that l -serine increased in osteonecrosis, and l -serine promoted the formation of osteoclasts, thereby inducing bone resorption, which might be related to the effect of l -serine on RANKL signal transduction [ 37 ]. Cystine has the effect of negatively regulating Runx2, thereby affecting bone regeneration, a finding which is supported by our immunohistochemistry results [ 38 ].…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Furthermore, l -serine and cystine levels significantly increased in the model group and slightly decreased in the treatment group. Gang et al showed that l -serine increased in osteonecrosis, and l -serine promoted the formation of osteoclasts, thereby inducing bone resorption, which might be related to the effect of l -serine on RANKL signal transduction [ 37 ]. Cystine has the effect of negatively regulating Runx2, thereby affecting bone regeneration, a finding which is supported by our immunohistochemistry results [ 38 ].…”
Section: Resultsmentioning
confidence: 99%
“…Many reports have confirmed that metabolic pathway disorders associated with pyrimidine metabolism, cysteine and methionine metabolism, and galactose metabolism are related to steroid therapy and osteonecrosis [ 37 , 41 ]. Additionally, members of the ABC transporter family are involved in various cell regulation processes, such as lipid transport and iron metabolism.…”
Section: Resultsmentioning
confidence: 99%
“…Osteonecrosis, an idiopathic process affecting predominately males and involving bilateral hips in 80% of cases, has known multifactorial associations, including irradiation, trauma, hematologic conditions, marrow-replacing diseases, sickle cell disease, alcoholism, and hypercoagulable states; therefore, the implicated molecular mechanisms may be as varied as the causes. Yang et al performed the urinary metabolomic profiling of a patient cohort with confirmed femoral osteonecrosis (with varied histories, including alcohol consumption, femoral neck or intertrochanteric fracture, corticosteroid therapy, and idiopathic osteonecrosis) and found increased urea, deoxycholic acid, and phosphatidylethanolamine [36]. In a plasma-based metabolomic analysis of patients with confirmed osteonecrosis, Liu et al reported alterations in lipid metabolism, nucleotide metabolism, and cysteine metabolism; lipid metabolism was primarily downregulated [37].…”
Section: Osteonecrosis/avascular Necrosismentioning
confidence: 99%
“…Mass spectrum conditions: Mass spectrometric detection of metabolites was performed on Q Exactive Focus (Thermo Fisher Scientific, USA) with an ESI ion source and simultaneous MS1 and MS/MS (Full MS-ddMS2 mode, data-dependent MS/MS) acquisition. The parameters were as follows: sheath gas pressure, 30 arb; aux gas flow, 10 arb; spray voltage, 3.50 kV and -2.50 kV for ESI ( +) and ESI (-), respectively; capillary temperature, 325 ℃; MS1 range, m/z 100-1000; MS1 resolving power, 70,000 FWHM; the number of data-dependent scans per cycle, 3; MS/MS resolving power, 17,500 FWHM; normalized collision energy, 30 eV; dynamic exclusion time, automatic [41].…”
Section: Lc-ms Analysismentioning
confidence: 99%