Related Experiment Video

Updated: Jul 30, 2025

Analysis of Combinatorial miRNA Treatments to Regulate Cell Cycle and Angiogenesis
11:44

Analysis of Combinatorial miRNA Treatments to Regulate Cell Cycle and Angiogenesis

Published on: March 30, 2019

7.7K

MiR-30a-5p inhibits cell behaviors in esophageal cancer via modulating CBX2

Luxing Peng1, Xinjun Huang1, Defeng Qing1

  • 1The Department of Radiotherapy the Center of Oncology, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, Guangxi Zhuang Autonomous Region, China.

Mutation Research
|May 17, 2023
PubMed
Abstract

Insights

The miR-30a-5p/CBX2 axis impacts esophageal cancer (EC). Downregulation of miR-30a-5p and upregulation of CBX2 were observed in EC cells, suggesting miR-30a-5p as a potential therapeutic target.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Esophageal cancer (EC) is a significant global health concern.
  • Understanding the molecular mechanisms underlying EC progression is crucial for developing effective treatments.

Purpose of the Study:

  • To investigate the role of the miR-30a-5p/CBX2 axis in esophageal cancer.
  • To explore the potential of targeting this axis for EC therapy.

Main Methods:

  • Utilized The Cancer Genome Atlas (TCGA) database for patient data.
  • Employed qRT-PCR and western blot to assess gene and protein expression.
  • Conducted dual-luciferase reporter assays to confirm targeting.
  • Performed MTT, Transwell, and wound healing assays to evaluate cell behavior.

Main Results:

  • Found significant downregulation of miR-30 family members (including miR-30a-5p) and upregulation of CBX2 in EC cells.
  • Demonstrated that miR-30 family members directly target and inhibit CBX2 expression.
  • Showed that the miR-30a-5p/CBX2 axis suppresses key esophageal cancer cell behaviors.

Conclusions:

  • The miR-30a-5p/CBX2 axis plays a critical role in esophageal cancer progression.
  • MiR-30a-5p represents a promising therapeutic target for esophageal cancer treatment.
Keywords:
CBX2Esophageal cancerMiR-30a-5pProliferationTherapeutic target

More Related Videos

An Immunofluorescent Method for Characterization of Barrett’s Esophagus Cells08:54

An Immunofluorescent Method for Characterization of Barrett’s Esophagus Cells

Published on: July 20, 2014

14.1K
Modeling Oral-Esophageal Squamous Cell Carcinoma in 3D Organoids10:43

Modeling Oral-Esophageal Squamous Cell Carcinoma in 3D Organoids

Published on: December 23, 2022

3.4K

Related Concept Videos

Mitogens and the Cell Cycle02:38

Mitogens and the Cell Cycle

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...
6.6K
Abnormal Proliferation02:23

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...
4.6K
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
7.7K
Inhibition of Cdk Activity02:34

Inhibition of Cdk Activity

The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be restricted when undergoing abnormal changes. Most cancers correlate to the deregulated cell cycle, and since Cdks are a central component of the cell cycle, Cdk inhibitors are extensively studied to develop anticancer agents. For instance, cyclin D associates with several Cdks, such as Cdk 4/6, to form an active complex. The cyclin D-Cdk4/6 complex...
4.8K
Metastasis02:30

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...
5.6K
MicroRNAs01:22

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...
3.1K