Related Experiment Video
Updated: Sep 21, 2025

Author Spotlight: Comparing Alveolar and Long Bone Remodeling to Explore OTM Model Potential
Published on: July 21, 2023
Conditional knockout of Cdc20 attenuates osteogenesis in craniofacial bones
Yawen Cheng1, Yangge Du1, Xiao Zhang1
1Department of Prosthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, National Clinical Research Center for Oral Diseases, Beijing Key Laboratory of Digital Stomatology, Beijing, China.
Conditional knockout of Cdc20 in mice led to significant cranial and mandibular bone loss. This study reveals Cdc20
Area of Science:
- Regenerative Medicine
- Stem Cell Biology
- Craniofacial Biology
Background:
- Craniofacial bone defects present significant clinical challenges.
- Mesenchymal stem cells (MSCs) offer potential for bone regeneration due to self-renewal and differentiation capabilities.
- Craniofacial MSCs possess distinct properties compared to MSCs from long bones.
Purpose of the Study:
- To investigate the role of CDC20 in craniofacial bone regeneration.
- To determine if CDC20 influences the osteogenic differentiation of craniofacial MSCs.
Main Methods:
- Utilized a conditional knockout mouse model for Cdc20 in craniofacial bone tissues.
- Assessed cranial and mandibular bone mass in knockout and control mice.
- Evaluated the osteogenic differentiation potential of MSCs derived from cranial sutures and mandibular bone marrow.
Main Results:
- Conditional knockout of Cdc20 in mice resulted in notable cranial and mandibular bone loss.
- The osteogenic differentiation capacity of MSCs from cranial sutures and mandibular bone marrow was significantly impaired in Cdc20 conditional knockout mice.
- Cdc20 deficiency negatively impacts osteogenesis within craniofacial bones.
Conclusions:
- Cdc20 plays a crucial role in maintaining craniofacial bone integrity and promoting osteogenesis.
- Understanding Cdc20's function offers new therapeutic strategies for craniofacial bone regeneration and related diseases.
Related Concept Videos
Osteoclasts in Bone Remodeling
Bone Remodeling
Bone Formation by Endochondral Ossification
Bone Formation by Intramembranous Ossification
The process begins when mesenchymal cells in the embryonic skeleton gather together and differentiate into osteogenic cells, which then develop into ...
Compact Bone
Compact bone, also called cortical bone, is the denser, stronger of the two types of bone tissue. It is found under the periosteum and in the diaphyses of long bones, where it provides support and protection. The microscopic structural unit of compact bone is called an osteon, or haversian system. Each osteon is composed of concentric rings of calcified...

