Stem cells for craniofacial bone repair and regeneration

用于颅面骨修复和再生的干细胞

基本信息

  • 批准号:
    10473883
  • 负责人:
  • 金额:
    $ 65.78万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-06-30 至 2024-05-31
  • 项目状态:
    已结题

项目摘要

Abstract The objective of this proposal is to study newly identified stem cells essential for craniofacial skeletal development and disease. Large bone defects caused by various conditions, e.g. cancer surgery, congenital malformation, trauma and progressive deforming diseases, are major health issues. Over 2.2 million cases worldwide each year have to be addressed in the diverse fields of orthopedic, plastic and oral surgeries. The only solution for such extensive injuries or non-healing issues is to undergo a reconstructive operation. Current gold standard is to perform autograft that requires transferring bones taken from other parts of the body to the repair site. However, bone grafts are encumbered by numerous disadvantages, including donor site morbidity, limited bone supply and complications of extended operating time. The success of such reconstructions also remains highly challenging owing to a number of limitations. This leads to exploration of alternative approaches, especially stem cell-based therapy. However, the lack of knowledge regarding stem cells specific for craniofacial skeletogenesis greatly restricted further advancement. Formation of the craniofacial skeleton is mainly mediated through intramembranous ossification, a process distinct from endochondral ossification in the body skeleton. Therefore, skeletal stem cells identified for the long bone may not be suitable for reconstruction of the craniofacial bones. Using state-of-the-art mouse genetic models, a recent groundbreaking work from our laboratory has successfully isolated adult skeletal stem cells, residing in the suture mesenchyme and responsible for formation and maintenance of the craniofacial bones. Upon injury these suture stem cells react quickly and contribute directly to bone repair by replacing the damaged tissue. Animal experiments further demonstrated that the injury-induced healing process is greatly facilitated with transplantation of these naïve cells. Although our findings promise their future use in cell-based therapy and tissue engineering, there is an urgent need to understand the characteristics of these stem cells for regenerating craniofacial bone structures. Here our goal is to first perform in-depth evaluations on suture stem cells in animal models. We will further investigate their role in craniofacial bone development and disease, and elucidate the underlying skeletal repair and regeneration mediated by suture stem cells. We will emphasize characterizing their innate ability to regrow craniofacial bone structures. Next, to move a step closer to clinical applications, we plan to study the corresponding human stem cells and characterize their self-renewal, clonal expansion, proliferation, and differentiation abilities. This proposal has outstanding potential to advance the field of regenerative medicine. By studying human cells, we are closer to translating our findings for clinical use, improving reconstructive surgical repair, and maximizing the benefits of regenerative medicine.
摘要

项目成果

期刊论文数量(0)
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Wei Hsu其他文献

Wei Hsu的其他文献

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{{ truncateString('Wei Hsu', 18)}}的其他基金

Nonclassical β-catenin signaling in odontogenesis
牙发生中的非经典β-连环蛋白信号传导
  • 批准号:
    10714280
  • 财政年份:
    2023
  • 资助金额:
    $ 65.78万
  • 项目类别:
Genetic Regulatory Network in Craniofacial Development
颅面发育中的遗传调控网络
  • 批准号:
    10337244
  • 财政年份:
    2021
  • 资助金额:
    $ 65.78万
  • 项目类别:
Genetic Regulatory Network in Craniofacial Development
颅面发育中的遗传调控网络
  • 批准号:
    10547798
  • 财政年份:
    2021
  • 资助金额:
    $ 65.78万
  • 项目类别:
Genetic Regulatory Network in Craniofacial Development
颅面发育中的遗传调控网络
  • 批准号:
    10440858
  • 财政年份:
    2021
  • 资助金额:
    $ 65.78万
  • 项目类别:
Stem cells for craniofacial bone repair and regeneration
用于颅面骨修复和再生的干细胞
  • 批准号:
    10440848
  • 财政年份:
    2021
  • 资助金额:
    $ 65.78万
  • 项目类别:
Stem cells for craniofacial bone repair and regeneration
用于颅面骨修复和再生的干细胞
  • 批准号:
    9927910
  • 财政年份:
    2018
  • 资助金额:
    $ 65.78万
  • 项目类别:
Genetic Regulatory Network in Craniofacial Development
颅面发育中的遗传调控网络
  • 批准号:
    8667323
  • 财政年份:
    2006
  • 资助金额:
    $ 65.78万
  • 项目类别:
GENETIC REGULATORY NETWORK IN CRANIOFACIAL DEVELOPMENT
颅面发育中的遗传调控网络
  • 批准号:
    7835696
  • 财政年份:
    2006
  • 资助金额:
    $ 65.78万
  • 项目类别:
GENETIC REGULATORY NETWORK IN CRANIOFACIAL DEVELOPMENT
颅面发育中的遗传调控网络
  • 批准号:
    7626374
  • 财政年份:
    2006
  • 资助金额:
    $ 65.78万
  • 项目类别:
Genetic Regulatory Network in Craniofacial Development
颅面发育中的遗传调控网络
  • 批准号:
    8481531
  • 财政年份:
    2006
  • 资助金额:
    $ 65.78万
  • 项目类别:

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