Role of PIKFyve in platelet-mediated inflammation and thrombosis
PIKFyve 在血小板介导的炎症和血栓形成中的作用
基本信息
- 批准号:8968009
- 负责人:
- 金额:$ 13.39万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2015
- 资助国家:美国
- 起止时间:2015-07-01 至 2020-03-31
- 项目状态:已结题
- 来源:
- 关键词:1-Phosphatidylinositol 4-KinaseAblationActinsAcute myocardial infarctionAdhesionsAdvisory CommitteesAntibodiesAtherosclerosisAwardBiochemicalBiochemical PathwayBiological AssayBiologyBlood PlateletsBlood VesselsCarotid Artery InjuriesCathepsinsCell CommunicationCellsCellular biologyCessation of lifeCommunicationCytoplasmic GranulesDataDefectDevelopmentDiagnosisDisciplineDiseaseDoctor of PhilosophyEndothelial CellsEndotheliumEnvironmentEnzyme-Linked Immunosorbent AssayEnzymesEquipmentFellowshipFigs - dietaryFosteringGenesGoalsHairHematologyHemostatic AgentsHomeostasisImageImmuneImmune systemImmunoblottingIn VitroInfiltrationInflammationInflammatoryInflammatory ResponseInternal MedicineK-Series Research Career ProgramsKnowledgeLearningLifeLipidsLiverLysosomesMammalsMediatingMediator of activation proteinMedicineMegakaryocytesMentorshipMicroarray AnalysisMicroscopyMolecular BiologyMorbidity - disease rateMusPathogenesisPathologyPathway interactionsPennsylvaniaPhosphotransferasesPhysiciansPlasmaPlayProcessProtein SecretionPublishingResearchResearch PersonnelResearch TrainingResidenciesResistanceRoleScientistSecretory VesiclesSignal TransductionStaining methodStainsTestingThrombosisThrombusTimeTissuesTrainingTraining ProgramsTranscriptional ActivationUniversitiesVascular SystemVesicleWeight GainWorkbasebrasscareercellular imagingcollegein vivoinsightinstructorlysosomal proteinsmacrophagemembermortalitynoveloncologyprotein expressionpublic health relevanceresponseskillstraffickingtranscription factorvon Willebrand Factor
项目摘要
DESCRIPTION (provided by applicant): This K08 Career Development Award details a five-year training program to foster the career goal of Dr. Sang H. Min to become an independent investigator in megakaryocyte and platelet biology. Dr. Min is currently an Instructor in Medicine at the University of Pennsylvania. She completed a residency in Internal Medicine at Albert Einstein College of Medicine and a fellowship in Hematology-Oncology at the University of Pennsylvania. Recently, she also defended a Ph.D. in Cell and Molecular Biology at the University of Pennsylvania. During the course of the award period, Dr. Min will learn new scientific knowledge, acquire new skills, and carry out the proposed research and training under the mentorship of Drs. Charles S. Abrams and Mortimer Poncz. To enhance her scientific and professional development, an advisory committee of world- renowned physician-scientists in different disciplines has been assembled. The members of her advisory committee are Drs. Garret Fitzgerald, Lawrence F. Brass, and Mark L Kahn. The rich environment provided by the University of Pennsylvania has all the necessary facilities, equipment, expertise, and training for
Dr. Min to complete her project successfully. The proposed research will focus on the role of platelet lysosomes in inflammation and thrombosis. Platelet secretory-products are believed to be crucial mediators in crosstalk between platelets and both endothelial and immune cells. However, the mechanisms by which this platelet- driven process leads to the development of inflammation and thrombosis are poorly understood. Dr. Min's long-term goal is to understand how platelets mediate cell interactions that promote inflammation and thrombosis, and identify potential targets for diagnosis and therapy. In a recently published work, Dr. Min demonstrated that platelet-specific inactivation of PIKfyve, a lipid kinase that modulates intracellular trafficing in mammals, disrupted the platelet lysosomal homeostasis and induced inflammatory and thrombotic responses in mice. This K08 proposal builds on this published work and proposes to understand normal role of PIKfyve in platelets, and how this lipid kinase contributes to a crosstalk between platelets and innate immune cells. The central hypothesis is that PIKfyve-null platelets release their lysosomes, which in turn induces tissue macrophages to drive inflammatory and thrombotic responses. The specific aims are: 1) Determine how PIKfyve regulates the platelet lysosomal homeostasis; 2) Define how PIKfyve-null platelets crosstalk with macrophages to promote inflammation; and 3) Determine how PIKfyve in platelets contributes to arterial thrombosis. Together, the results of this proposal are expected to provide mechanistic insights into how PIKfyve regulates platelet lysosomes as well as platelet-mediated communication with immune and vascular cells. These studies may identify potential targets for the diagnosis and therapy of platelet-mediated hemostatic and non-hemostatic diseases.
描述(由适用提供):该K08职业发展奖详细介绍了一项为期五年的培训计划,以促进Sang H. Min博士的职业目标,成为Megakaryocyte和Platelet Biology的独立研究者。 Min博士目前是宾夕法尼亚大学医学讲师。她在阿尔伯特·爱因斯坦医学院(Albert Einstein Medicine)完成了内科住所,并在宾夕法尼亚大学的血液肿瘤学研究金上完成了研究金。最近,她还定义了博士学位。宾夕法尼亚大学的细胞和分子生物学博士学位。在奖励期间,Min博士将学习新的科学知识,获得新的技能,并在DR的心态下进行拟议的研究和培训。 Charles S. Abrams和Mortimer Poncz。为了增强她的科学和专业发展,已经组建了一个世界知名的身体科学家的咨询委员会。她的咨询委员会成员是Drs。 Garret Fitzgerald,Lawrence F. Brass和Mark L Kahn。宾夕法尼亚大学提供的丰富环境具有所有必要的设施,设备,专业知识和培训
Min博士成功完成了她的项目。拟议的研究将集中于血小板溶酶体在注射和血栓形成中的作用。据信血小板分泌产生是血小板和内皮细胞和免疫细胞之间串扰中的至关重要的介体。但是,该血小板驱动的过程导致感染和血栓形成的发展的机制知之甚少。 Min博士的长期目标是了解血小板如何介导促进炎症和血栓形成的细胞相互作用,并确定诊断和治疗的潜在靶标。 Min博士在最近发表的工作中表明,Pikfyve的血小板特异性失活是一种调节哺乳动物细胞内贩运的脂质激酶,破坏了血小板溶酶体体内稳态并诱导小鼠的炎症和血栓反应。这项K08的建议基于这项已发表的工作和建议,以了解Pikfyve在血小板中的正常作用,以及该脂质激酶如何有助于血小板和先天免疫细胞之间的串扰。中心假设是pikfyve-null血小板释放其溶酶体,这反过来诱导组织巨噬细胞驱动炎症和血栓形成反应。具体目的是:1)确定pikfyve如何调节血小板溶酶体稳态; 2)定义pikfyve-null血小板如何与巨噬细胞串扰以促进注射; 3)确定血小板中的pikfyve如何促进动脉血栓形成。总之,该提案的结果有望提供机械见解,以了解pikfyve如何调节血小板溶酶体以及血小板介导的与免疫和血管细胞的通信。这些研究可能会确定血小板介导的止血和非紧急性疾病的诊断和治疗的潜在靶标。
项目成果
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Sang H. Min其他文献
Sang H. Min的其他文献
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{{ truncateString('Sang H. Min', 18)}}的其他基金
Role of PIKFyve in platelet-mediated inflammation and thrombosis
PIKFyve 在血小板介导的炎症和血栓形成中的作用
- 批准号:
9455844 - 财政年份:2017
- 资助金额:
$ 13.39万 - 项目类别:
Role of PIKFyve in platelet-mediated inflammation and thrombosis
PIKFyve 在血小板介导的炎症和血栓形成中的作用
- 批准号:
9096883 - 财政年份:2015
- 资助金额:
$ 13.39万 - 项目类别:
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