ArticleClinical and experimental medicine2019
Impact of estrogen receptor α on the tamoxifen response and prognosis in luminal-A-like and luminal-B-like breast cancer.
Article in Clinical and experimental medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
8 citing papers in PubMed, 15 citations in OpenAlex.
- Estrogen Receptor Alpha Gene Amplification Is an Independent Predictor of Long-Term Outcome in Postmenopausal Patients with Endocrine-Responsive Early Breast Cancer.Clinical cancer research : an official journal of the American Association for Cancer Research · 2022Trial
- Irreversible inhibition of estrogen receptor α signaling and the emergence of hormonal resistance in MCF7 breast cancer cells induced by DNA damage agents.Biomedical reports · 2024Article
- Comparative Analysis of Molecular Functions and Biological Role of Proteins from Cell-Free DNA-Protein Complexes Circulating in Plasma of Healthy Females and Breast Cancer Patients.International journal of molecular sciences · 2023Article
- Size and Methylation Index of Cell-Free and Cell-Surface-Bound DNA in Blood of Breast Cancer Patients in the Contest of Liquid Biopsy.International journal of molecular sciences · 2022Article
- Synonymous Variants: Necessary Nuance in Our Understanding of Cancer Drivers and Treatment Outcomes.Journal of the National Cancer Institute · 2022Review
- Five-year survival in luminal breast cancer patients: relation with intratumoral activity of proteasomes.Translational breast cancer research : a journal focusing on translational research in breast cancer · 2022Article
- Plasma Exosomes of Patients with Breast and Ovarian Tumors Contain an Inactive 20S Proteasome.Molecules (Basel, Switzerland) · 2021Article
- Assessment of circulating HISLA as a potential biomarker for breast cancer diagnosis and prognosis.Clinical and experimental medicine · 2021Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The luminal-A-like and luminal-B-like breast cancer groups have distinct biological features that lead to differences in the treatment response and clinical outcome. The aim of this study was to examine the value of the distribution pattern of ERα expression, ESR1 SNPs as well as ESR1 mRNA expression in predicting tamoxifen response and survival in patients with luminal-A-like and luminal-B-like breast cancer. A total of 135 patients with both subtypes were stratified into two groups depending on the tamoxifen response: tamoxifen-resistant patients (TR) and tamoxifen-sensitive patients (TS). ESR1 mRNA expression was measured by real-time quantitative reverse transcription-PCR. Three polymorphisms of ESR1 (rs2077647, rs2228480 and rs1801132) were genotyped using a TaqMan assay. The distribution pattern of ERα expression was analyzed immunohistochemically using the visual assessment of staining. The primary endpoint was progression-free survival (PFS). There was a significant decrease in ESR1 mRNA expression level in the TR group when compared to the TS group among patients with luminal-B-like subtype (P = 0.038). ESR1 2014AA mutant genotype of rs2228480 was more prevalent in the TR patients with luminal-B-like subtype than the TS group (P = 0.045). In the luminal-A-like group, tamoxifen-resistant tumors were more frequently heterogeneous for ERα expression than tamoxifen-sensitive tumors (P = 0.016). Multivariate analysis showed a strong association of lymph node status and the distribution pattern of ERα expression with tamoxifen responsiveness in this cohort of patients. In addition, a luminal-A-like patients with the heterogeneous ERα expression had a significantly shorter PFS time than those with the homogeneous ERα (P = 0.013). These results indicate that the heterogeneous expression of ERα is an accurate predictor of tamoxifen response and survival in luminal-A-like breast cancer patients. ESR1 rs2228480 may act as a marker with a high prognostic potential in luminal-B-like tumors.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.