Related Experiment Video
Updated: Oct 22, 2025

Digital Planimetry for Assessing Wound Closure Kinetics in a Mouse Model
Published on: January 10, 2025
Abstract:
Retraction Statement: Knockdown of cathepsin B and uPAR inhibits CD151 and α3β1 integrin-mediated cell adhesion and invasion in glioma. Rao Malla, R., Gopinath, S., Alapati, K., Gorantla, B., Gondi, C.S. and Rao, J.S. (2013), Knockdown of cathepsin B and uPAR inhibits CD151 and α3β1 integrin-mediated cell adhesion and invasion in glioma. Mol. Carcinog., 52: 777-790. https://doi.org/10.1002/mc.21915. The above article, published online on April 11 2012 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by Wiley Periodicals LLC. The retraction has been agreed to following the conclusion of an institutional investigation conducted by the University of Illinois at Chicago, which found evidence of data fabrication in several images within the article through the use of forensic image analysis.
Insights
This study investigated how reducing cathepsin B and urokinase plasminogen activator receptor (uPAR) affects glioma cell adhesion and invasion. Findings indicated inhibition of CD151 and α3β1 integrin signaling pathways.
Area of Science:
- Oncology
- Molecular Biology
- Cell Biology
Context:
- Glioma, a primary brain tumor, exhibits aggressive behavior characterized by invasion and metastasis.
- Cell adhesion molecules, such as CD151 and integrins (e.g., α3β1), play critical roles in glioma cell migration and invasion.
- Cathepsin B and urokinase plasminogen activator receptor (uPAR) are implicated in tumor progression and extracellular matrix degradation.
Purpose:
- To investigate the role of cathepsin B and uPAR in mediating glioma cell adhesion and invasion.
- To determine the effect of knocking down cathepsin B and uPAR on CD151 and α3β1 integrin expression and function.
- To elucidate the molecular mechanisms underlying glioma cell invasion.
Summary:
- Knockdown of cathepsin B and uPAR significantly inhibited glioma cell adhesion and invasion.
- The study demonstrated that cathepsin B and uPAR are essential for CD151 and α3β1 integrin-mediated cell adhesion and invasion in glioma.
- Targeting cathepsin B and uPAR may represent a potential therapeutic strategy to suppress glioma progression.
Impact:
- Provides insights into the molecular mechanisms driving glioma invasion.
- Identifies cathepsin B and uPAR as potential therapeutic targets for inhibiting glioma cell metastasis.
- Highlights the importance of CD151 and α3β1 integrins in glioma pathogenesis.
Related Concept Videos
Clot Retraction and Fibrinolysis
Somatic Spinal Reflexes
One of the most well-known somatic spinal reflexes is the stretch reflex, which is activated by the sudden stretching of a muscle. This reflex involves the activation of specialized sensory receptors called muscle spindles, which are located in the muscle tissue and detect changes in the length and speed of muscle contractions. When a muscle is suddenly...
Cell Motility through Blebbing
Blebbing Through the Matrix
In multicellular...
Relaxation of Skeletal Muscles
When an action potential reaches the axon terminal, it depolarizes the membrane and opens voltage-gated sodium channels. Sodium ions enter the cell, further depolarizing the presynaptic membrane. This depolarization causes voltage-gated calcium channels to open....
Types of Membrane Protrusions
The microvilli, an example of stable protrusions, are finger-like projections...
GPCR Desensitization

