Related Experiment Video
Updated: May 21, 2026

11:42
Induction of Mesenchymal-Epithelial Transitions in Sarcoma Cells
Published on: April 7, 2017
Metastasis suppression by BRMS1 associated with SIN3 chromatin remodeling complexes
1Department of Pathology, University of Alabama at Birmingham, 1670 University Blvd., VH-G019, Birmingham, AL 35294-0019, USA. DHurst@uab.edu
Cancer Metastasis Reviews
|June 9, 2012
Summary
Breast cancer metastasis suppressor 1 (BRMS1) inhibits cancer spread by interacting with SIN3 chromatin remodeling complexes. Understanding this interaction may lead to new epigenetic therapies targeting metastasis.
Area of Science:
- Molecular Biology
- Epigenetics
- Cancer Research
Background:
- Epigenetic regulation, including histone modification and chromatin remodeling, influences biological processes and diseases like cancer metastasis.
- Breast cancer metastasis suppressor 1 (BRMS1) is a known suppressor of metastasis that interacts with SIN3 chromatin remodeling complexes.
- While BRMS1 suppresses metastasis and interacts with SIN3, the direct link between this interaction and metastasis inhibition is not fully understood.
Purpose of the Study:
- To review the known data on BRMS1-mediated metastasis suppression.
- To explore the functional involvement of SIN3 chromatin remodeling complexes in BRMS1's metastasis-suppressing activity.
- To highlight the potential for developing novel epigenetic therapies targeting cancer metastasis.
Main Methods:
- Review of existing scientific literature on BRMS1 and SIN3 complex interactions.
- Analysis of data linking BRMS1 expression to metastasis suppression.
- Focus on the role of chromatin remodeling in BRMS1's mechanism of action.
Main Results:
- BRMS1 effectively suppresses breast cancer metastasis upon forced expression.
- BRMS1 interacts with SIN3 chromatin remodeling complexes.
- The precise mechanism connecting BRMS1-SIN3 interaction to metastasis inhibition requires further elucidation.
Conclusions:
- BRMS1 is a potent suppressor of breast cancer metastasis.
- The interaction between BRMS1 and SIN3 complexes is critical for metastasis suppression.
- Further research into this interaction could pave the way for targeted epigenetic therapies against cancer metastasis.
Related Concept Videos
Abnormal Proliferation
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...
The Retinoblastoma Gene
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
MicroRNAs
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
MicroRNAs
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
Inheritance of Chromatin Structures
Epigenetics is the study of inherited changes in a cell's phenotype without changing the DNA sequences. It provides a form of memory for the differential gene expression pattern to maintain cell lineage, position-effect variegation, dosage compensation, and maintenance of chromatin structures such as telomeres and centromeres. For example, the structure and location of the centromere on chromosomes are epigenetically inherited. Its functionality is not dictated or ensured by the underlying DNA...
Metastasis
Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
