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Peer-reviewedCC BY 4.0Molecular Oncology

CEACAM1 participation in breast cancer progression

  • Mykola Lyndin1,2
  • Irina Kube‐Golovin1
  • Anatolii Romaniuk2
  • Gunther Wennemuth1
  1. 1Department of Anatomy University Hospital Essen Essen Germany
  2. 2Department of Pathology, Academic and Research Medical Institute Sumy State University Sumy Ukraine
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Abstract

Carcinoembryonic antigen‐related cell adhesion molecule 1 (CEACAM1) is widely expressed in human cells and undergoes marked alterations during tumorigenesis. However, its functional significance in invasive breast cancer (BC) remains insufficiently understood. In this study, CEACAM1 expression patterns in invasive BC tissues were analyzed and correlated with the proliferative index (PI) of the tumor cells. To assess isoform‐specific functional effects and identify CEACAM1‐responsive genes involved in key proliferation‐associated pathways, MCF‐7 cells were transfected with either CEACAM1 short cytoplasmic domain isoform (CEACAM1‐4S) or CEACAM1 long cytoplasmic domain isoform (CEACAM1‐4L). BC tissues exhibited substantial heterogeneity in CEACAM1 expression, which correlated with the PI of the tumor cells. Functional in vitro studies demonstrated that the CEACAM1‐4L isoform exclusively suppresses cell proliferation. Transcriptome and protein‐level analyses revealed that CEACAM1‐4L regulates the expression of key mediators involved in cell cycle control, apoptosis, extracellular matrix organization, and growth factor‐dependent signaling pathways. These findings highlight the biological significance of CEACAM1‐4L isoform in BC, its potential diagnostic relevance for patient stratification, as well as its possible consideration in future therapeutic approaches.

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Cite

BibTeXRIS
BibTeX
@article{lyndin2026ceacam1,
  title = {{CEACAM1 participation in breast cancer progression}},
  author = {Mykola Lyndin and Irina Kube‐Golovin and Anatolii Romaniuk and Gunther Wennemuth},
  journal = {Molecular Oncology},
  year = {2026},
  month = jul,
  doi = {10.1002/1878-0261.70306},
  url = {https://doi.org/10.1002/1878-0261.70306},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - CEACAM1 participation in breast cancer progression
AU  - Mykola Lyndin
AU  - Irina Kube‐Golovin
AU  - Anatolii Romaniuk
AU  - Gunther Wennemuth
PY  - 2026
DA  - 2026/07/10
JO  - Molecular Oncology
DO  - 10.1002/1878-0261.70306
UR  - https://doi.org/10.1002/1878-0261.70306
AB  - Carcinoembryonic antigen‐related cell adhesion molecule 1 (CEACAM1) is widely expressed in human cells and undergoes marked alterations during tumorigenesis. However, its functional significance in invasive breast cancer (BC) remains insufficiently understood. In this study, CEACAM1 expression patterns in invasive BC tissues were analyzed and correlated with the proliferative index (PI) of the tumor cells. To assess isoform‐specific functional effects and identify CEACAM1‐responsive genes involved in key proliferation‐associated pathways, MCF‐7 cells were transfected with either CEACAM1 short cytoplasmic domain isoform (CEACAM1‐4S) or CEACAM1 long cytoplasmic domain isoform (CEACAM1‐4L). BC tissues exhibited substantial heterogeneity in CEACAM1 expression, which correlated with the PI of the tumor cells. Functional in vitro studies demonstrated that the CEACAM1‐4L isoform exclusively suppresses cell proliferation. Transcriptome and protein‐level analyses revealed that CEACAM1‐4L regulates the expression of key mediators involved in cell cycle control, apoptosis, extracellular matrix organization, and growth factor‐dependent signaling pathways. These findings highlight the biological significance of CEACAM1‐4L isoform in BC, its potential diagnostic relevance for patient stratification, as well as its possible consideration in future therapeutic approaches.
SN  - 1574-7891
SN  - 1878-0261
ER  -