Related Experiment Video
Updated: Mar 22, 2026

Characterization of Cell Membrane Extensions and Studying Their Roles in Cancer Cell Adhesion Dynamics
Published on: March 26, 2018
The role of annexin A4 in cancer
Houshan Yao1, Chang Sun1, Zhiqian Hu1
1Department of General Surgery, Shanghai Chang Zheng Hospital, Second Military Medical University, Shanghai 200003, China.
Abstract:
Annexin A4 (ANXA4) is a member of the annexin family that binds to both calcium ions and phospholipids. Studies indicate that ANXA4 modulates membrane permeability and membrane trafficking, participates in cellular growth and apoptosis, enhances tumor invasion and promotes anti-tumor drug resistance. The overexpression of ANXA4 has been identified in various clinical epithelial tumors including: lung, gastric, colorectal, pancreatic, gallbladder, breast, renal, ovarian, laryngeal, and prostate cancers. In addition, upregulation and nuclear translocation of ANXA4 have been observed in the progression of colorectal cancer and ovarian serous carcinoma. Knockdown of ANXA4 attenuated migration in ovarian cancer and breast cancer cells. In contrast, knockdown of ANXA4 increased susceptibility to platinum in ovarian cancer and malignant mesothelioma cells. It is conceivable that ANXA4 is an indicator for tumor development, invasion, chemo-resistance, poor outcomes of cancer patients, and may be a potential target for therapeutic intervention.
Insights
Annexin A4 (ANXA4) is linked to tumor development and invasion across many cancers. Reducing ANXA4 may improve chemotherapy effectiveness and offers a potential therapeutic target for cancer treatment.
Area of Science:
- Molecular Biology
- Oncology
- Biochemistry
Background:
- Annexin A4 (ANXA4) is a calcium and phospholipid-binding protein.
- ANXA4 plays roles in membrane dynamics, cell growth, apoptosis, and tumor progression.
Purpose of the Study:
- To investigate the role of ANXA4 in various epithelial cancers.
- To evaluate ANXA4 as a potential biomarker and therapeutic target.
Main Methods:
- Analysis of ANXA4 expression in clinical epithelial tumors.
- Investigating the effects of ANXA4 knockdown on cancer cell migration and drug resistance.
Main Results:
- ANXA4 overexpression is found in lung, gastric, colorectal, pancreatic, breast, ovarian, and other cancers.
- ANXA4 knockdown reduced migration in ovarian and breast cancer cells.
- ANXA4 knockdown increased sensitivity to platinum-based chemotherapy in ovarian cancer and mesothelioma cells.
Conclusions:
- ANXA4 is implicated in tumor development, invasion, and chemoresistance.
- ANXA4 may serve as a prognostic indicator and a therapeutic target for cancer patients.
More Related Videos
12:14CAM-Delam Assay to Score Metastatic Properties by Quantifying Delamination and Invasion Capacity of Cancer Cells
Published on: June 2, 2022
07:47Author Spotlight: Unveiling Transmembrane Protein Family-Related Markers in Gastric Cancer and Implications for Targeted Therapies
Published on: September 15, 2023
Related Concept Videos
Cancer Cell Migration through Invadopodia
Adaptive Mechanisms in Cancer Cells
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Adaptive Mechanisms in Cancer Cells
The Intrinsic Apoptotic Pathway
Selectins
Abnormal Proliferation