New Methodologies for Connectomics
连接组学的新方法
基本信息
- 批准号:10345620
- 负责人:
- 金额:$ 13.32万
- 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:2022-01-01 至 2023-12-31
- 项目状态:已结题
- 来源:
- 关键词:AgingAnimal BehaviorAnimalsAxonBRAIN initiativeBehavior DisordersBindingBiochemistryBrainBrain imagingBrain regionCallithrixCareer ChoiceCellsCellular biologyCharacteristicsChemistryCollaborationsCore FacilityData SetDendritesDevelopmentDiseaseEducational workshopEffectivenessElectron MicroscopyElectronsEnsureEnvironmentFluorescence MicroscopyFoundationsFundingFutureGoalsGrantHeavy MetalsHumanImageImmunizationImmunohistochemistryInterneuronsInvestigationKnowledgeLabelLanthanoid Series ElementsLearningLibrariesLightMapsMembraneMentorsMentorshipMetalsMethodologyMethodsMicroscopicMicroscopyMolecularMolecular BiologyMolecular and Cellular BiologyMonoclonal AntibodiesMultimodal ImagingMusNervous system structureNeurobiologyNeuronsNeurosciencesOsmiumPhasePositioning AttributePreparationProcessPropertyProteinsProtocols documentationReagentResearchResearch DesignResolutionRoentgen RaysRunningSamplingSeriesStainsStructureStudentsSynapsesTechnologyTimeTissue imagingTissuesTracerTrainingTupaiidaeViralVisualizationWorkWritingX ray microscopyX-Ray Medical Imagingbasebrain researchbrain tissuebrain volumecareercell typecomparativeconnectomeconnectome datagraduate studentimaging modalityinterestlight microscopylight scatteringmachine learning algorithmmaterials sciencemeetingsmembermicroCTmicroscopic imagingminiaturizemultimodalitymultiplexed imagingnanobodiesnanometer resolutionneural circuitneural networkrecruitrelating to nervous systemscreeningskillstool
项目摘要
PROJECT ABSTRACT
The nervous systems of animals are comprised of neurons connected by a large number of synapses.
The resulting neural networks underlie animal behavior and contribute to the storage of learned
information in many species. In humans, the miswiring of neural networks likely results in disorders of
behavior, learning, and thought. For all these reasons, understanding the development, organization,
and disruptions in neural circuits is vital. The goal of connectomics is to produce and study the maps
of neuronal connections within nervous systems. Connectomic research requires automated image
acquisition of brain tissue images that cover large volumes at high magnification to resolve synapses
and methods to generate wiring diagrams from these images. But the connectivity map itself is
nevertheless not sufficient to explain the brain functions. Additional information, such as the molecular
identity of neurons, needs to be extracted from the same nervous system. The primary goal of this
proposal is to develop the heavy metal staining of whole mouse brains and other large brain samples
for volumetric electron microscopic mapping of a full connectome (Aim1), generate a library of
miniaturized protein binders for correlated light and electron microscopic imaging to bridge
connectomics with neuronal cell type studies (Aim2), and expand the use of X-ray microscopy in
multiplexed brain imaging (Aim3). These studies will lay the foundation for the development of
connectomics and establish new paradigms for multimodal imaging.
My career goal is to run an academic lab that develops essential methodologies for brain research.
The proposed work that focuses on the most urgent needs of connectomics will become a mainstay
for my independent research and allow me to integrate the newly acquired knowledge in neurobiology,
biochemistry, and microscopy with my interdisciplinary training in chemistry and materials science.
The unique environment at Lichtman lab will put me in a privileged position in order to pursue my
career aspirations. I have developed a detailed training plan with my mentor, Prof. Jeff Lichtman, to
help me transition to independence. I will meet regularly with him to discuss research progress,
strategies for grant writing, student mentorship, and lab management. I will oversee the work of a
graduate student to practice my mentorship skills. To broaden my scientific network and establish
future collaborations, I will present my work in workshops, connectomics meetings, SfN and ACS
annual meetings. As a member of the Harvard Department of Molecular and Cellular Biology, I will
have access to leaders in neuroscience, molecular biology, cell biology, and biochemistry, as well as
cutting-edge core facilities. The BRAIN Initiative Diversity K99/R00 will provide me the funding required
to initiate an ambitious research plan to tackle the outstanding challenges surrounding brain studies.
项目摘要
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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Xiaotang Lu其他文献
Xiaotang Lu的其他文献
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