Polymer Scaffolds for Mandibular Condyle Cartilage Regeneration
用于下颌髁软骨再生的聚合物支架
基本信息
- 批准号:10523734
- 负责人:
- 金额:$ 8.27万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-12-01 至 2024-11-30
- 项目状态:已结题
- 来源:
- 关键词:4 year oldAdultArchitectureBMP2 geneBilateralBindingBiochemicalBiocompatible MaterialsBiological AssayBiological AvailabilityBone RegenerationCartilageCellsChondrocytesChondrogenesisDataDefectDiffusionFamily suidaeFibroblastsFibrocartilagesFunctional RegenerationGelatinGoatGrowthHeparinHeparin BindingHyaline CartilageHydrogelsImplantIn VitroInfiltrationInjuryKineticsLiquid substanceMandibleMandibular CondyleMandibular ScaffoldMiniature SwineModelingNanoporousNatural regenerationOperative Surgical ProceduresOsteogenesisPainPathologyPatientsPerfusionPeriodicityPermeabilityPhenotypePolymersPopulationPoriferaPropertyPublishingRegenerative researchReplacement ArthroplastySiteTechnologyTemporomandibular JointTemporomandibular Joint DisordersTimeTissue EngineeringTissuesTransforming Growth Factor betaarticular cartilagebasebioscaffoldbonecartilage degradationcartilage regenerationcartilaginousclinically relevantcondylar cartilagecostal cartilagedesignethylene glycolfibulahealingimplant designin vivoin vivo regenerationmechanical loadmechanical propertiesmigrationnovelosteochondral tissueosteoprogenitor cellpreventprogenitorregeneration potentialregenerativeregenerative therapyregenerative treatmentscaffoldskeletalstem cellssubchondral bonetissue regenerationtreatment effect
项目摘要
The most severe cases of TMJ disorders consist of mandibular condyle degeneration.
Unfortunately, no regenerative options exists and current treatments do not restore full function.
The articulating tissue of the condyle is a fibrocartilage that consists of an intricate interface
between fibrous, cartilaginous, and boney tissue that is essential for normal function and that is
lost in severe TMJ disorders. The objective of this study is to regenerate fibrocartilage-bone
interface of the mandibular condyle in skeletally mature goats using a comprehensive tissue
engineering approach. A condylar defect will be treated with novel multilayer scaffold implant
designed to promote site-specific tissue regeneration. We have strong pilot in-vivo data
showing that our scaffolds components regenerate fibrous and cartilage tissue in our novel goat
model, and bone in a segmental defect model. We will implant the scaffolds in a mediolateral
grove-shaped condylar defect. We hypothesize that a multilayer scaffold will allow for site-
specific fibrous-cartilage-bone regeneration of the mandibular condyle cartilage when compared
to a homogenous sponge scaffold and untreated control defects. First, we will study the
properties of a multilayer scaffold design in-vitro. We will characterize the permeability and
release of TGFβs from the scaffold. Second, we will assess the functional healing of condylar
defects treated with the multilayer scaffolds. We will assess mechanical properties, regenerate
tissue composition, and condylar architecture formation using terminal assays at 1, 3 and 6
months post-surgery. Third, we will study the regeneration potential of three cell subpopulations
found on the condyle. Successful completion of this proposal is the critical step to provide a
regenerative therapy to treat TMJ mandibular cartilage degeneration, and a basis for successful
osteochondral tissue regeneration in other sites.
最严重的TMJ疾病包括下颌髁突退变。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Alejandro Jose Almarza其他文献
Alejandro Jose Almarza的其他文献
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{{ truncateString('Alejandro Jose Almarza', 18)}}的其他基金
Collaborative for REsearch to Advance TMD Evidence (CREATE)
推进 TMD 证据的研究合作 (CREATE)
- 批准号:
10828983 - 财政年份:2023
- 资助金额:
$ 8.27万 - 项目类别:
Polymer Scaffolds for Mandibular Condyle Cartilage Regeneration
用于下颌髁软骨再生的聚合物支架
- 批准号:
10469036 - 财政年份:2021
- 资助金额:
$ 8.27万 - 项目类别:
Polymer Scaffolds for Mandibular Condyle Cartilage Regeneration
用于下颌髁软骨再生的聚合物支架
- 批准号:
10308695 - 财政年份:2020
- 资助金额:
$ 8.27万 - 项目类别:
Polymer Scaffolds for Mandibular Condyle Cartilage Regeneration
用于下颌髁软骨再生的聚合物支架
- 批准号:
10524746 - 财政年份:2020
- 资助金额:
$ 8.27万 - 项目类别:
Polymer Scaffolds for Mandibular Condyle Cartilage Regeneration
用于下颌髁软骨再生的聚合物支架
- 批准号:
10746941 - 财政年份:2020
- 资助金额:
$ 8.27万 - 项目类别:
A Regenerative Medicine Approach for TMJ Meniscus Restoration
颞下颌关节半月板修复的再生医学方法
- 批准号:
8481533 - 财政年份:2012
- 资助金额:
$ 8.27万 - 项目类别:
A Regenerative Medicine Approach for TMJ Meniscus Restoration
颞下颌关节半月板修复的再生医学方法
- 批准号:
8365369 - 财政年份:2012
- 资助金额:
$ 8.27万 - 项目类别:
A Regenerative Medicine Approach for TMJ Meniscus Restoration
颞下颌关节半月板修复的再生医学方法
- 批准号:
8687974 - 财政年份:2012
- 资助金额:
$ 8.27万 - 项目类别:
A Regenerative Medicine Approach for TMJ Meniscus Restoration
颞下颌关节半月板修复的再生医学方法
- 批准号:
8862181 - 财政年份:2012
- 资助金额:
$ 8.27万 - 项目类别:
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