In vitro modelling of bone infection for osteomyelitis and osteoradionecrosis
骨髓炎和放射性骨坏死骨感染的体外模型
基本信息
- 批准号:NC/Y500574/1
- 负责人:
- 金额:$ 17.2万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Training Grant
- 财政年份:2024
- 资助国家:英国
- 起止时间:2024 至 无数据
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Bone infections, including osteomyelitis and osteoradionecrosis, cause significant morbidity and mortality, especially in elderly people where osteomyelitis is the second most critical musculoskeletal infection.[1] These conditions can have devastating consequences, including severe pain, bone destruction, amputation, and even sepsis and death. Current treatments often have limited success, and the development of more effective therapies requires a better understanding of the underlying mechanisms of disease development/aetiology. There is a critical need for models that accurately replicate the pathophysiology of bone infections.The use of animal models for studying bone infections has provided valuable insights into the pathophysiology of these diseases.[2] However, animal models have several limitations, including ethical concerns, high cost, and poor reproducibility. In vitro models that accurately replicate the pathophysiology of these infections could offer an alternative to animal testing, allowing researchers to explore the complex interactions between microbial pathogens, immune endothelial cells, and bone-resident osteoblasts/osteocytes in a more controlled and reproducible manner.In vitro models could facilitate the exploration of complex interactions between microbial pathogens, endothelial cells, and bone-resident cells, leading to a better understanding of these diseases and the development of more effective treatments. Despite the recent advances tissue engineered organotypic in vitro models of bone,[3,4] there are still a critical lack of models mimicking the pathophysiology[5] of infected bone, such as osteomyelitis or infection, associated with the development of necrotic tissue due to radiation - collectively known as osteoradionecrosis.Here, we propose develop advanced in vitro models of osteomyelitis and osteoradionecrosis, with the ultimate goal of replacing animal models that cause severe harm. We will advance 3D iPSCs-based cell cultures, 3D-fluidic chips platforms, and hybrid hydrogels to overcome these challenges and construct vascularised in vitro models of bone. Furthermore, we will irradiate and infect the cultures to generate models of osteoradionecrosis.
骨感染,包括骨髓炎和放射性骨坏死,引起显著的发病率和死亡率,特别是在老年人中,骨髓炎是第二大最严重的肌肉骨骼感染。[1]这些情况可能会产生毁灭性的后果,包括严重的疼痛,骨质破坏,截肢,甚至败血症和死亡。目前的治疗方法往往成功有限,开发更有效的治疗方法需要更好地了解疾病发展/病因学的潜在机制。目前迫切需要能够准确复制骨感染病理生理学的模型,使用动物模型研究骨感染为这些疾病的病理生理学提供了有价值的见解。[2]然而,动物模型有几个局限性,包括伦理问题,高成本和再现性差。准确复制这些感染的病理生理学的体外模型可以提供动物试验的替代方案,使研究人员能够以更可控和可重复的方式探索微生物病原体、免疫内皮细胞和骨驻留成骨细胞/骨细胞之间的复杂相互作用。体外模型可以促进探索微生物病原体、内皮细胞和骨驻留细胞之间的复杂相互作用,从而更好地了解这些疾病并开发出更有效的治疗方法。尽管骨的组织工程器官型体外模型最近取得了进展[3,4],但仍然严重缺乏模拟感染骨的病理生理学[5]的模型,例如骨髓炎或感染,与由于辐射引起的坏死组织的发展相关-统称为放射性骨坏死。在这里,我们建议开发骨髓炎和放射性骨坏死的先进体外模型,最终目标是取代造成严重伤害的动物模型。我们将推进基于3D iPSC的细胞培养,3D流体芯片平台和混合水凝胶,以克服这些挑战并构建血管化的体外骨模型。此外,我们将照射和感染的文化,以产生模型的骨放射性坏死。
项目成果
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其他文献
吉治仁志 他: "トランスジェニックマウスによるTIMP-1の線維化促進機序"最新医学. 55. 1781-1787 (2000)
Hitoshi Yoshiji 等:“转基因小鼠中 TIMP-1 的促纤维化机制”现代医学 55. 1781-1787 (2000)。
- DOI:
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LiDAR Implementations for Autonomous Vehicle Applications
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
吉治仁志 他: "イラスト医学&サイエンスシリーズ血管の分子医学"羊土社(渋谷正史編). 125 (2000)
Hitoshi Yoshiji 等人:“血管医学与科学系列分子医学图解”Yodosha(涉谷正志编辑)125(2000)。
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Effect of manidipine hydrochloride,a calcium antagonist,on isoproterenol-induced left ventricular hypertrophy: "Yoshiyama,M.,Takeuchi,K.,Kim,S.,Hanatani,A.,Omura,T.,Toda,I.,Akioka,K.,Teragaki,M.,Iwao,H.and Yoshikawa,J." Jpn Circ J. 62(1). 47-52 (1998)
钙拮抗剂盐酸马尼地平对异丙肾上腺素引起的左心室肥厚的影响:“Yoshiyama,M.,Takeuchi,K.,Kim,S.,Hanatani,A.,Omura,T.,Toda,I.,Akioka,
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