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Cholesterol sulfate imaging in human prostate cancer tissue by desorption electrospray ionization mass spectrometry.


ABSTRACT: Development of methods for rapid distinction between cancerous and non-neoplastic tissues is an important goal in disease diagnosis. To this end, desorption electrospray ionization mass spectrometry (DESI-MS) imaging was applied to analyze the lipid profiles of thin tissue sections of 68 samples of human prostate cancer and normal tissue. The disease state of the tissue sections was determined by independent histopathological examination. Cholesterol sulfate was identified as a differentiating compound, found almost exclusively in cancerous tissues including tissue containing precancerous lesions. The presence of cholesterol sulfate in prostate tissues might serve as a tool for prostate cancer diagnosis although confirmation through larger and more diverse cohorts and correlations with clinical outcome data is needed.

SUBMITTER: Eberlin LS 

PROVIDER: S-EPMC2872194 | biostudies-literature | 2010 May

REPOSITORIES: biostudies-literature

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Cholesterol sulfate imaging in human prostate cancer tissue by desorption electrospray ionization mass spectrometry.

Eberlin Livia S LS   Dill Allison L AL   Costa Anthony B AB   Ifa Demian R DR   Cheng Liang L   Masterson Timothy T   Koch Michael M   Ratliff Timothy L TL   Cooks R Graham RG  

Analytical chemistry 20100501 9


Development of methods for rapid distinction between cancerous and non-neoplastic tissues is an important goal in disease diagnosis. To this end, desorption electrospray ionization mass spectrometry (DESI-MS) imaging was applied to analyze the lipid profiles of thin tissue sections of 68 samples of human prostate cancer and normal tissue. The disease state of the tissue sections was determined by independent histopathological examination. Cholesterol sulfate was identified as a differentiating c  ...[more]

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