Related Experiment Video
Updated: Mar 1, 2026
06:24
Oncogene Expression Analysis with Alterations in pH in a Pancreatic Ductal Cell Line
Published on: April 11, 2025
963
ABCG1 as a potential oncogene in lung cancer
Chunyan Tian1, Di Huang2, Yanli Yu1
1Department of Health Care and Geriatrics, Yidu Central Hospital Affiliated to Weifang Medical University, Qingzhou, Shandong 262500, P.R. China.
Experimental and Therapeutic Medicine
|June 8, 2017
Summary
ATP-binding cassette transporter G1 (ABCG1) is upregulated in lung cancer, promoting cell proliferation, migration, and invasion. This suggests ABCG1 is a potential therapeutic target for non-small cell lung cancer treatment.
Area of Science:
- Molecular Biology
- Oncology
- Cell Biology
Background:
- ATP-binding cassette transporter G1 (ABCG1) regulates cellular cholesterol homeostasis.
- The role of ABCG1 in lung cancer has not been previously established.
- ABCG1 is a member of the ABC transporter family.
Purpose of the Study:
- To investigate the role and expression of ABCG1 in lung cancer.
- To determine if ABCG1 influences lung cancer cell proliferation, apoptosis, and stem cell characteristics.
- To explore the therapeutic potential of targeting ABCG1 in non-small cell lung cancer.
Main Methods:
- Quantitative analysis of ABCG1 protein expression in lung cancer tissues and cell lines.
- Functional assays to assess the impact of ABCG1 on cell proliferation, apoptosis, and migration.
- MicroRNA microarray analysis to identify microRNAs regulated by ABCG1.
Main Results:
- ABCG1 protein is significantly upregulated in lung cancer tissues compared to normal tissues.
- ABCG1 overexpression promotes proliferation, migration, and invasion of lung cancer cells.
- ABCG1 downregulates miR-29a, -b, and -c expression and affects apoptosis and cancer stem cell markers.
Conclusions:
- ABCG1 plays a crucial role in the progression of non-small cell lung cancer.
- ABCG1 influences proliferation, apoptosis, and cancer stem cell pathways.
- ABCG1 represents a promising novel therapeutic target for non-small cell lung cancer.
Related Concept Videos
01:33Cancer-Critical Genes I: Proto-oncogenes
11.6K
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
11.6K
01:20The Retinoblastoma Gene
4.8K
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,...
4.8K
02:38Mitogens and the Cell Cycle
8.2K
Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell division leads to tumor formation. Therefore, mitogens and mitogen receptors play an important role in cancer research. For instance, the epidermal growth factor (EGF) - a type of mitogen and its transmembrane receptor (EGFR), decides the fate of the cell's proliferation. When EGF binds to EGFR, a member of the ErbB family of tyrosine kinase...
8.2K
02:23Abnormal Proliferation
5.3K
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...
5.3K
01:05Cancer-Critical Genes II: Tumor Suppressor Genes
9.9K
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
9.9K