Cytoplasmic LXR expression is an independent marker of poor prognosis for patients with early stage primary breast cancer

Purpose The aim of this study was to investigate the expression of liver X receptors α/β (LXR) in primary breast cancer (BC) tissues and to analyze its correlations with clinicopathological parameters including patient survival. Methods In a well-characterized cohort of 305 primary BC, subcellular d...

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Bibliographic Details
Published in:Journal of cancer research and clinical oncology 2021-09, Vol.147 (9), p.2535-2544
Main Authors: Shao, Wanting, Kuhn, Christina, Mayr, Doris, Ditsch, Nina, Kailuwait, Magdalena, Wolf, Verena, Harbeck, Nadia, Mahner, Sven, Jeschke, Udo, Cavaillès, Vincent, Sixou, Sophie
Format: Article
Language:English
Subjects:
Breast cancer
Cancer Research
Hematology
Immunohistochemistry
Internal Medicine
Life Sciences
Liver X receptors
Medical prognosis
Medicine
Medicine & Public Health
Oncology
Original Article – Cancer Research
Original – Cancer Research
Prognosis
Survival analysis
Tumors
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Summary:Purpose The aim of this study was to investigate the expression of liver X receptors α/β (LXR) in primary breast cancer (BC) tissues and to analyze its correlations with clinicopathological parameters including patient survival. Methods In a well-characterized cohort of 305 primary BC, subcellular distribution of LXR was evaluated by immunohistochemistry. Correlations with clinicopathological characteristics as well as with patient outcome were analyzed. Results LXR was frequently localized in both nuclei and cytoplasms of BC cells, with stronger staining in nuclei. Total and nuclear LXR expression was positively correlated with ER and PR status. Overall survival analysis demonstrated that cytoplasmic LXR was significantly correlated with poor survival and appeared as an independent marker of poor prognosis, in stage I but not in stage II–III tumors Conclusion Altogether, these data suggest that cytoplasmic LXR could be defined as a prognostic marker in early stage primary BC.
ISSN:0171-5216
1432-1335
DOI:10.1007/s00432-021-03670-y