The role of Cindr and its protein interactors in epithelial morphogenesis
The role of Cindr and its protein interactors in epithelial morphogenesis
批准号:
9303519
负责人:
Ruth Ineke Johnson
金额:
$49.29万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2017
资助国家:
美国
项目状态:
已结题
起止时间:
2017-08-01 至 2022-08-31
关键词:
ActinsAdaptor Signaling ProteinAddressAdherens JunctionAdhesionsAdoptedAlzheimer&aposs DiseaseApoptosisBehaviorBindingBiochemicalCell SurvivalCellsCellular StructuresCessation of lifeComplexDataDevelopmentDiseaseDrosophila eyeDrosophila genusEpithelialEpitheliumEventEyeFamilyGeneticGenetic TranscriptionGoalsHomeostasisImmunofluorescence ImmunologicInvestigationJNK-activating protein kinaseKidney DiseasesMAPK8 geneMasksMediatingModelingMolecularMorphogenesisMusNeoplasm MetastasisOrganOrthologous GeneOutputPatternPhosphotransferasesPositioning AttributeProcessProtein FamilyProteinsRecruitment ActivityResearchRoleScaffolding ProteinShapesSignal PathwaySignal TransductionSignaling ProteinSystemTestingTissuesVertebratesVisual FieldsWingcell behaviorcell motilitycell typecofactorflyimaging approachlive cell imagingmigrationorgan growthpreventprotein complexrepairedresponsetranscription factorubiquitin-protein ligase
中文摘要
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英文摘要
PROJECT SUMMARY/ABSTRACT
Our goal is to understand the molecular and cellular mechanisms that coordinate to pattern complex
epithelial organs. These conserved mechanisms must be correctly regulated to generate functional organs and
are frequently re-utilized in mature organs to maintain homeostasis and function. We focus on a conserved
family of core adaptor proteins that are key regulators of cell and tissue stability: Cindr (in Drosophila) and the
mouse orthologs Cin85 and Cd2ap. Cindr recruits protein complexes that include actin regulators and signaling
proteins. Exploring the dynamic function of these complexes – and how they are regulated - will elucidate the
system of molecular events that pattern tissues and how these go awry. In preliminary studies we observed
functional interactions between Cindr and the Drosophila Jun terminal kinase JNK (Bsk in flies) and Cindr and
Mask (a component of Hippo signaling) that are essential for correct tissue patterning. Our data supports the
hypotheses that Cindr interacts with JNK/Bsk to restrict JNK (Specific Aim 1) and with Mask to promote its
function and that of its cofactor Yki (Specific Aim 2) which is repressed when Hippo signaling is active. These
preliminary findings have far-reaching implications firstly because the contributions of JNK and Hippo signaling
to organ morphogenesis are unclear. Second, the role of Cindr in regulating and integrating these signals
during organ patterning has not been explored. To address these open questions, we will combine genetic,
biochemical, immunofluorescence and live-cell-imaging approaches to elucidate the specific contributions of
JNK and Mask and their interactions with Cindr to Drosophila eye patterning.
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Modeling epithelial morphogenesis in the Drosophila eye
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批准号:10514866
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项目类别:
-
资助金额:$49.29万
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财政年份:2017
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负责人:Ruth Ineke Johnson
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依托单位: