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Oncotarget. 2017 Jun 28;8(38):63405-63416. doi: 10.18632/oncotarget.18822. eCollection 2017 Sep 08.

Magnetic resonance metabolic profiling of estrogen receptor-positive breast cancer: correlation with currently used molecular markers.

Oncotarget

Ji Soo Choi, Dahye Yoon, Ja Seung Koo, Siwon Kim, Vivian Youngjean Park, Eun-Kyung Kim, Suhkmann Kim, Min Jung Kim

Affiliations

  1. Department of Radiology, Breast Cancer Center, Samsung Medical Center, Seoul, Korea.
  2. Department of Chemistry, Center for Proteome Biophysics and Chemistry Institute for Functional Materials, Pusan National University, Busan, Korea.
  3. Department of Pathology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
  4. Department of Forensic Chemistry, National Forensic Service Busan Institute, Yangsan-si, Korea.
  5. Department of Radiology, Research Institute of Radiological Science, Yonsei University College of Medicine, Seoul, Korea.

PMID: 28969000 PMCID: PMC5609932 DOI: 10.18632/oncotarget.18822

Abstract

Estrogen receptor (ER)-positive breast cancers overall have a good prognosis, however, some patients suffer relapses and do not respond to endocrine therapy. The purpose of this study was to determine whether there are any correlations between high-resolution magic angle spinning (HR-MAS) magnetic resonance spectroscopy (MRS) metabolic profiles of core needle biopsy (CNB) specimens and the molecular markers currently used in patients with ER-positive breast cancers. The metabolic profiling of CNB samples from 62 ER-positive cancers was performed by HR-MAS MRS. Metabolic profiles were compared according to human epidermal growth factor receptor 2 (HER2) and Ki-67 status, and luminal type, using the Mann-Whitney test. Multivariate analysis was performed with orthogonal projections to latent structure-discriminant analysis (OPLS-DA). In univariate analysis, the HER2-positive group was shown to have higher levels of glycine and glutamate, compared to the HER2-negative group (

Keywords: ER-positive; HR-MAS MRS (high-resolution magic angle spinning magnetic resonance spectroscopy); biomarker; breast cancer; luminal

Conflict of interest statement

CONFLICTS OF INTEREST The authors declare that they have no competing interests.

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