Generation of suturable artificial cornea from the integration of exfoliated graphene with gelatin glycidyl methacrylate
通过剥离石墨烯与明胶甲基丙烯酸缩水甘油酯的整合生成可缝合的人工角膜
基本信息
- 批准号:10547894
- 负责人:
- 金额:$ 3.61万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-04-01 至 2023-03-31
- 项目状态:已结题
- 来源:
- 关键词:AnimalsArchitectureAutomobile DrivingAwardBiologicalBlindnessCell CommunicationCell Differentiation processCell ProliferationCellsCommunitiesComplementCorneaData AnalysesDifferentiation and GrowthDiffusionDonor personEndotheliumEngineeringEpithelialExtracellular MatrixEyeFunctional disorderFundingGelatinGenerationsGlucoseGoalsGrantHybridsHydrogelsIn VitroInfectionKeratoplastyLaboratoriesManuscriptsMembraneMentorsMicrospheresMolecular and Cellular BiologyOperative Surgical ProceduresOryctolagus cuniculusOxygenPatientsPhasePostoperative CareQuality of lifeResearchResearch ProposalsScientistStressStromal CellsSupporting CellSurgical suturesTechniquesTissue EngineeringTissuesTrainingTreatment CostUnited States National Institutes of HealthWritingbiomaterial compatibilitycareercrosslinkdesignfaculty researchglycidyl methacrylategrapheneimplantationin vivoin vivo Modelleadership developmentmaterials sciencemechanical propertiesmultidisciplinarynanonotch proteinpreservationscaffoldskillssuccess
项目摘要
PROJECT SUMMARY
In this project, we propose to design a hybrid scaffold from the integration of gelatin glycidyl methacrylate
(GELGYM) with exfoliated pristine graphene (EG), accompanied by double crosslinking technique, that can
function as a suturable artificial cornea. We will determine (1) whether hybrid GELGYM membranes acts as a
biocompatible artificial cornea that supports cell growth and differentiation;; and (2) the capability of the hybrid
scaffold to function as a corneal substitute. The differentiation and biocompatibility studies proposed here will
offer quantitative information on the degree of biointegration of the hybrid scaffold in contact with the host’s
corneal cells and extracellular matrix under in vitro and in vivo conditions.
We expect that exfoliation of graphene, its integration in the GELGYM hydrogel architecture and subsequent
double crosslinking can create an nano-microspherical cavities in the hydrogel microstructure covered with the
graphene create anchoring points that can withstand against tearing, after applying the physical stress to the
suture passing the construct. This can diminish the tendency to form notches during suturing, while enhancing
mechanical properties of the construct and facilitate its implantation in patients. Moreover, we expect
integration will further promote cell proliferation and differentiation of corneal cells, allowing for the appropriate
diffusion of glucose and oxygen. Additionally, I anticipate that integration of exfoliated graphene will positively
regulate epithelial-stromal and endothelial stromal cell interactions. The success of this approach can reduce
or eliminate the need for donor corneas and positively impact the quality of life for many patients.
The research aims are supported by a training plan focused on the acquisition of relevant multidisciplinary
expertise in the fields of cellular and molecular biology, pathophysiology, tissue-engineering and material
science. To this end, a “Mentoring Team” which includes the leading mentor, Dr. Chodosh, along with two co-
mentors: Dr. Gonzalez and Dr. Kong has been assembled. Moreover, Dr. Paschalis as an independent
collaborator will support on technical training on animal handling, surgery, and postoperative care along with
data analysis and interpretation of animal findings following implantation of the scaffold into rabbit eyes.
This group of mentors will guide me during the K99 mentored phase to achieve my long-term career goal of
becoming a scientist-leader in my field with a strong independent laboratory. I envision that this award will
provide me with an excellent platform from which to have a successful transition to independent research
faculty status (this includes the transition into the R00 phase of the award) and in the long term, to productively
compete for independent NIH (R01) funding. My training will also be complemented by courses during the
mentored phase in the improvement of presentation and writing skills (grants and manuscripts), manuscript
review, mentoring, and development of leadership abilities and laboratory management skills.
项目摘要
在这个项目中,我们建议通过甲基丙烯酸甘油的整合来设计ahybrid支架
(Gelgym)伴有双交联技术的剥落原始石墨烯(例如),可以
作为可操作的人造角膜的功能。
生物相容性的人造角膜,支持细胞的生长和区分;
脚手架作为角膜替代品的作用。
提供有关与主机接触的混合脚手架生物整合程度的定量信息
在体外和体内条件下,角膜细胞和外部基质。
我们期望石墨烯的exfolution是在凝胶水凝胶结构中的集成,随后的
双交联产生在被覆盖的水凝胶微胶质中创建Anno-Miclosperical腔。
石墨烯创建锚定点,在将物理压力施加到
缝合线通过构造。
我们期望的是,构造和促进的机械性能
整合将进一步促进细胞的泛滥性促进性和角膜细胞的分化,从而允许适当
葡萄糖和氧气的扩散。
调节上皮细胞和室内基质细胞相互作用。
或消除对Donnes的需求,并积极影响许多专利性的生活质量。
该研究的目的得到了一项培训计划的支持,该计划的重点是收购关系
细胞和分子生物学,病理生理学,组织工程和材料领域的专业知识
科学。
导师:冈萨雷斯博士和孔博士都被召集了。
合作者将支持有关动物处理,手术和术后护理的技术培训,并与与之一起进行。
将脚手架植入兔眼后的数据分析和解释动物发现。
这群导师将在K99指导阶段引导我,以实现我的长期职业目标
在我的领域成为一个强大的独立实验室的科学家。
为我提供一个出色的平台,必须从中必须成功过渡到独立研究
教师身份(包括过渡到奖励的R00阶段),从长远来看
竞争独立的NIH(R01)资金。
指导阶段在提高演讲和写作技巧(赠款和手稿)中,手稿
审查,指导和发展领导能力和实验室管理技能。
项目成果
期刊论文数量(7)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Electron Beam Sterilization of Poly(Methyl Methacrylate)-Physicochemical and Biological Aspects.
- DOI:10.1002/mabi.202000379
- 发表时间:2021-04
- 期刊:
- 影响因子:4.6
- 作者:Sharifi S;Islam MM;Sharifi H;Islam R;Huq TN;Nilsson PH;Mollnes TE;Tran KD;Patzer C;Dohlman CH;Patra HK;Paschalis EI;Gonzalez-Andrades M;Chodosh J
- 通讯作者:Chodosh J
Sputter Deposition of Titanium on Poly(Methyl Methacrylate) Enhances Corneal Biocompatibility.
- DOI:10.1167/tvst.9.13.41
- 发表时间:2020-12
- 期刊:
- 影响因子:3
- 作者:Sharifi S;Islam MM;Sharifi H;Islam R;Nilsson PH;Dohlman CH;Mollnes TE;Paschalis EI;Chodosh J
- 通讯作者:Chodosh J
Systematic optimization of visible light-induced crosslinking conditions of gelatin methacryloyl (GelMA).
- DOI:10.1038/s41598-021-02830-x
- 发表时间:2021-12-02
- 期刊:
- 影响因子:4.6
- 作者:Sharifi S;Sharifi H;Akbari A;Chodosh J
- 通讯作者:Chodosh J
A Biomechanical Study of Flanged Intrascleral Haptic Fixation of Three-Piece Intraocular Lenses.
- DOI:10.1016/j.ajo.2021.02.021
- 发表时间:2021-07
- 期刊:
- 影响因子:4.2
- 作者:Ma, Kevin K.;Yuan, Amy;Sharifi, Sina;Pineda, Roberto
- 通讯作者:Pineda, Roberto
Critical media attributes in E-beam sterilization of corneal tissue.
- DOI:10.1016/j.actbio.2021.10.033
- 发表时间:2022-01-15
- 期刊:
- 影响因子:9.7
- 作者:Sharifi S;Sharifi H;Akbari A;Lei F;Dohlman CH;Gonzalez-Andrades M;Guild C;Paschalis EI;Chodosh J
- 通讯作者:Chodosh J
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{{ truncateString('Sina SHARIFI', 18)}}的其他基金
Generation of suturable artificial cornea from the integration of exfoliated graphene with gelatin glycidyl methacrylate
通过剥离石墨烯与明胶甲基丙烯酸缩水甘油酯的整合生成可缝合的人工角膜
- 批准号:
9976013 - 财政年份:2020
- 资助金额:
$ 3.61万 - 项目类别:
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