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[The establishment of conditional MT transgenic mice model]
Yan-an Wang1, Jia-wei Zheng, Zhao-liang Fei
1Department of Oral & Maxillofacial Surgery, Ninth People's Hospital, School of Stomatology, Shanghai Jiaotong University, Shanghai, 200011 PR China.
Summary
A doxycycline-inducible MT transgenic mouse model was successfully created to study hemangioma development and MT gene function in vivo. This model allows for controlled MT gene expression, aiding research into disease mechanisms and molecular pathways.
Area of Science:
- Molecular Biology
- Genetics
- Developmental Biology
Background:
- Hemangiomas are benign vascular tumors requiring in vivo models for study.
- Understanding the molecular function of the MT gene is crucial for elucidating disease pathogenesis.
- Existing models may lack precise control over gene expression for studying dynamic biological processes.
Purpose of the Study:
- To construct a doxycycline-inducible MT transgenic mouse model.
- To establish a platform for investigating hemangioma development in vivo.
- To facilitate the study of MT gene's molecular function within a living organism.
Main Methods:
- Utilized tetracycline-controlled expression systems to create a conditional transgenic vector.
- Engineered the vector with cHS4 insulators to enhance transgene expression and minimize positional effects.
- Generated transgenic mice via pronuclear microinjection and confirmed MT expression using semi-quantitative RT-PCR.
Main Results:
- Successfully constructed the conditional transgenic vector with doxycycline-regulated MT expression in vitro.
- Obtained five transgenic positive mice, with one developing hemangiomas after MT induction.
- Confirmed MT gene expression in the affected mouse via RT-PCR.
Conclusions:
- Successfully developed a conditional MT transgenic animal model.
- This model provides a valuable platform for in vivo research on hemangioma.
- The model enables further investigation into the molecular functions of the MT gene.