Related Experiment Video
Updated: Jun 12, 2025

Quantitative PCR-based Assay to Measure Sonic Hedgehog Signaling in Cellular Model of Ciliogenesis
Published on: January 31, 2025
Taking the "lazy" way identifies KCNB2 as a regulator of SHH-MB maintenance
Jaldeep Langhnoja1, Timothy N Phoenix1
1Division of Pharmaceutical Sciences, James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH, USA.
Abstract:
Deciphering the role of genetic alterations in tumor initiation and maintenance remains a significant challenge. In this issue of Developmental Cell, Fan et al. identify potassium channels, namely KCNB2, as critical regulators of sonic hedgehog (SHH)-medulloblastoma (MB) maintenance using the Lazy Piggy in vivo genetic screening system, providing a therapeutic target.
Insights
Potassium channel KCNB2 is crucial for maintaining sonic hedgehog medulloblastoma, a type of brain tumor. This discovery offers a potential new therapeutic target for treating this aggressive cancer.
Area of Science:
- Oncology
- Genetics
- Neuroscience
Background:
- Understanding genetic alterations in tumor development is key.
- Medulloblastoma, particularly sonic hedgehog subtype, poses significant treatment challenges.
Purpose of the Study:
- To identify genetic regulators involved in sonic hedgehog medulloblastoma maintenance.
- To explore novel therapeutic targets for medulloblastoma.
Main Methods:
- Utilized the Lazy Piggy in vivo genetic screening system for high-throughput screening.
- Focused on identifying genes critical for tumor maintenance in a medulloblastoma model.
Main Results:
- Identified the potassium channel KCNB2 as a critical regulator in sonic hedgehog medulloblastoma.
- Demonstrated the role of KCNB2 in tumor maintenance.
Conclusions:
- KCNB2 is a significant therapeutic target for sonic hedgehog medulloblastoma.
- Genetic screening systems like Lazy Piggy are powerful tools for discovering cancer vulnerabilities.
Related Concept Videos
Hedgehog Signaling Pathway
Master Transcription Regulators
Calmodulin-dependent Signaling
The Ca2+-CaM complex does not have enzymatic activity by itself. Instead, the complex binds downstream target proteins, including membrane proteins or enzymes,...
Negative Regulator Molecules
Non-Canonical Wnt Signaling Pathways
Canonical Wnt Signaling Pathway

