Related Experiment Video
Updated: Oct 17, 2025

Stimulation of Notch Signaling in Mouse Osteoclast Precursors
Published on: February 28, 2017
Low-density-lipoprotein-receptor-related protein 1 mediates Notch pathway activation
Weixiang Bian1, Mengfan Tang2, Hua Jiang1
1Key Laboratory of Structural Biology of Zhejiang Province, School of Life Sciences, Westlake University, Hangzhou 310024, Zhejiang, China; Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou 310024, Zhejiang, China; Institute of Biology, Westlake Institute for Advanced Study, Hangzhou 310024, Zhejiang, China.
Researchers identified low-density-lipoprotein-receptor-related protein 1 (LRP1) as a key regulator of the Notch signaling pathway. LRP1 inhibition reduced cancer growth in leukemia models, suggesting its potential as a therapeutic target.
Area of Science:
- Cellular biology
- Molecular biology
- Cancer research
Background:
- The Notch signaling pathway is crucial for cell development and its dysregulation is implicated in cancers.
- Understanding the Notch pathway's global organization is key to identifying therapeutic targets for related diseases.
Purpose of the Study:
- To map the human Notch pathway's protein interaction landscape.
- To identify novel regulators and potential therapeutic targets within the Notch pathway.
Main Methods:
- Integrated genetic and phenotypic data analysis.
- Bioinformatics analysis to expand the pathway map.
- Investigated the role of low-density-lipoprotein-receptor-related protein 1 (LRP1) in Notch signaling.
Main Results:
- Established a comprehensive protein interaction landscape for the human Notch pathway.
- Identified LRP1 as a critical regulator mediating Delta ligand ubiquitination.
- LRP1 inhibition suppressed Notch signaling and reduced tumorigenesis in leukemia models.
Conclusions:
- LRP1 is a key regulator of Notch signaling by controlling Delta ligand ubiquitination.
- LRP1 represents a potential therapeutic target for Notch-related cancers, including leukemia.
More Related Videos
05:48Cell Aggregation Assays to Evaluate the Binding of the Drosophila Notch with Trans-Ligands and its Inhibition by Cis-Ligands
Published on: January 2, 2018
07:26Isolation of Whole Cell Protein Lysates from Mouse Facial Processes and Cultured Palatal Mesenchyme Cells for Phosphoprotein Analysis
Published on: April 1, 2022
Related Concept Videos
Notch Signaling Pathway
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not...
Role Of Notch Signalling In Intestinal Stem Cell Renewal
Direct cell-to-cell contact is needed for the activation of Notch signaling. The signal is initiated when a notch ligand binds to a receptor on an adjacent cell, also...
Non-Canonical Wnt Signaling Pathways
Receptor-mediated Endocytosis
Canonical Wnt Signaling Pathway
Regulation of Nuclear Protein Sorting