Article ; Online: L1CAM Expression in Recurrent Estrogen Positive/HER2 Negative Breast Cancer: A Novel Biomarker Worth Considering.
Applied immunohistochemistry & molecular morphology : AIMM
2021 Volume 29, Issue 4, Page(s) 287–292
Abstract: We investigate L1 cell adhesion molecule (L1CAM) expression in estrogen receptor (ER)-positive/human epidermal growth factor receptor (HER2)-negative breast carcinomas. The finding of a potential correlation between high L1CAM expression and recurrent/ ... ...
Abstract | We investigate L1 cell adhesion molecule (L1CAM) expression in estrogen receptor (ER)-positive/human epidermal growth factor receptor (HER2)-negative breast carcinomas. The finding of a potential correlation between high L1CAM expression and recurrent/metastatic disease in luminal A and B breast carcinomas may be helpful for risk stratification and open opportunities for targeted therapies. 304 cases comprising 152 cases of ER-positive, progesterone receptor (PR)-positive/negative, and HER2-negative recurrent/metastatic breast carcinomas and 152 nonrecurrent controls were included. ER, PR, HER-2, Ki-67 status, Nottingham grade, tumor size, tumor stage, number of foci, lymph node status, lymphovascular invasion, phenotype, laterality, age at diagnosis and first distant or local recurrence were recorded. L1CAM positive cases showed increased specificity for recurrence and these patients were significantly younger than L1CAM negative ones. Compared with L1CAM negative recurrent cases, L1CAM positive ones had a noticeably higher Ki-67, tended to be larger and recurred sooner. All L1CAM positive recurrent/metastatic cases were of the luminal B subtype compared with 67.3% of the L1CAM negative cases. L1CAM is highly specific for recurrence in a subset of breast cancer patients and may be associated with more aggressive behavior, particularly in luminal B breast cancers with higher Ki-67 expression. Further investigation about the prognostic value of L1CAM is warranted. |
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MeSH term(s) | Adult ; Aged ; Aged, 80 and over ; Biomarkers, Tumor/biosynthesis ; Breast Neoplasms/epidemiology ; Breast Neoplasms/metabolism ; Breast Neoplasms/pathology ; Estrogens/metabolism ; Female ; Gene Expression Regulation, Neoplastic ; Humans ; Middle Aged ; Neural Cell Adhesion Molecule L1/biosynthesis ; Receptor, ErbB-2/metabolism ; Retrospective Studies |
Chemical Substances | Biomarkers, Tumor ; Estrogens ; L1CAM protein, human ; Neural Cell Adhesion Molecule L1 ; ERBB2 protein, human (EC 2.7.10.1) ; Receptor, ErbB-2 (EC 2.7.10.1) |
Language | English |
Publishing date | 2021-03-15 |
Publishing country | United States |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 1473273-7 |
ISSN | 1533-4058 ; 1062-3345 ; 1541-2016 |
ISSN (online) | 1533-4058 |
ISSN | 1062-3345 ; 1541-2016 |
DOI | 10.1097/PAI.0000000000000909 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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