2015
DOI: 10.1002/pros.23088
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Decreased expression of lysophosphatidylcholine (16:0/OH) in high resolution imaging mass spectrometry independently predicts biochemical recurrence after surgical treatment for prostate cancer

Abstract: HR-MALDI-IMS showed that the expression of LPC(16:0/OH) and SM(d18:1/16:0) was lower in prostate cancer than in benign prostate epithelium. These differences in expression of phospholipids may predict prostate cancer aggressiveness, and provide new insights into lipid metabolism in prostate cancer.

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Cited by 59 publications
(57 citation statements)
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“…Results showed five lipid species significantly lower in cancer than in benign tissues, specifically: LPC 16:0/OH + H + , LPC 16:0/OH + Na + , LPC 16:0/OH + K + , LPC 16:0/OH + matrix + H + , and SM d18:1/16:0 + H + . A low level of LPC 16:0/OH in cancer tissue was associated with biochemical recurrence after radical prostatectomy [69]. Using ESI-MS/MS lipid profiling, Patel et al analyzed distribution and concentrations of serum PLs from newly diagnosed prostate cancer patients and healthy subjects.…”
Section: Lipidomics In Cancer Researchmentioning
confidence: 99%
See 1 more Smart Citation
“…Results showed five lipid species significantly lower in cancer than in benign tissues, specifically: LPC 16:0/OH + H + , LPC 16:0/OH + Na + , LPC 16:0/OH + K + , LPC 16:0/OH + matrix + H + , and SM d18:1/16:0 + H + . A low level of LPC 16:0/OH in cancer tissue was associated with biochemical recurrence after radical prostatectomy [69]. Using ESI-MS/MS lipid profiling, Patel et al analyzed distribution and concentrations of serum PLs from newly diagnosed prostate cancer patients and healthy subjects.…”
Section: Lipidomics In Cancer Researchmentioning
confidence: 99%
“…For example, phosphatidyloserines (PSs) were found differentially expressed in urines of both breast [53] and prostate [64] cancer patients. Serum triacylglycerols (TGs) and linolenic acid seem to have predictive value of therapy response in cases of breast cancer patients receiving neoadjuvant chemotherapy [61,62], whereas plasma levels of different LPCs in colorectal cancer [72] or in prostate cancer [69] were also described. These studies provide a cancer lipid fingerprint in different accessible biofluids, thereby opening the way for the discovery of diagnostic biomarkers able to properly classify cancer patients.…”
Section: Lipidomic Highlights In Cancer Researchmentioning
confidence: 99%
“…Zeng et al () reported the gene expression profiles regulated by LPA in CaP patients ( n = 10) and benign hyperplasia ( n = 7), where LPA1 mRNA levels were significantly decreased and the LPA3 mRNA level was elevated in cancer epithelia when compared to the benign glands. Goto et al () analyzed tissue samples from CaP patients ( n = 31) and controls with positive‐ion HR‐MALDI‐IMS to investigate lipid profiles. PL species, [LPC(16:0/OH) + H] + at m/z 496, [LPC(16:0/OH) + Na] + at m/z 518, [LPC(16:0/OH) + K] + at m/z 534, [LPC(16:0/OH) + matrix] + at m/z 690, and SM(d18:1/16:0) + H] + at m/z 703 were significantly decreased in cancer‐tissues compared with normal tissues.…”
Section: Ms‐based Analysis Of Pls In Various Cancers and Biomarker DImentioning
confidence: 99%
“…52 We have examined the lipid expression profiles of prostate cancer tissues using high-resolution imaging mass spectrometry 53 and found that decreased expression of lysophosphatidylcholine independently predicts biochemical recurrence. 54 We have also found, using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry, that a C-terminal PSA fragment composed of 19 amino acid residues is a potential novel urine biomarker for diagnosis of prostate cancer. 55 However, it was difficult to establish the method to measure the concentration of these lipids or proteins.…”
Section: Circulating Tumor Cells and Cell-free Dna As Novel Liquid Bimentioning
confidence: 88%