Defining the Role of ABL Kinases in Alcoholic Liver Disease
定义 ABL 激酶在酒精性肝病中的作用
基本信息
- 批准号:10264782
- 负责人:
- 金额:$ 21.92万
- 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:2020-09-20 至 2023-08-31
- 项目状态:已结题
- 来源:
- 关键词:ABL1 geneABL2 geneAdhesionsAdrenal Cortex HormonesAffectAlcoholic Liver DiseasesAlcoholic steatohepatitisAlcoholsCell physiologyCessation of lifeCirrhosisDNA DamageDataDevelopmentEthanolEthicsFamilyGene set enrichment analysisGenetic TranscriptionGrowth FactorHepatocyteHumanIndividualInflammationKnock-outKnockout MiceLinkLiverLiver diseasesMediatingMolecularMusNOTCH1 geneOxidative StressPatientsPharmacologyPhenotypePhosphotransferasesPhysiologicalPlayPrimary carcinoma of the liver cellsProtein Tyrosine KinaseRegulationReportingRoleSamplingSignal PathwaySignal TransductionStimulusTestingUnited Statesalcohol abuse therapyalcohol responsebasec-myc Genescell growthchronic alcohol ingestionchronic liver diseasecytokineextracellularhigh riskinhibitor/antagonistkinase inhibitorliver inflammationliver injuryliver transplantationmigrationmouse modelnovelnovel therapeutic interventionoverexpressionresponsetranscriptome sequencingtreatment strategy
项目摘要
Abstract
Alcoholic liver disease (ALD) is one of the primary causes of chronic liver disease worldwide and accounts
for nearly 50% of cirrhosis associated deaths in the United States. Chronic alcohol use places individuals at a
high risk for advanced and largely irreversible liver diseases including alcoholic steatohepatitis (ASH), cirrhosis,
and hepatocellular carcinoma. Liver transplantation is the only curative option for ALD but insufficient supplies
and ethical considerations often come in the way. Corticosteroids remain the only available therapy for ALD,
with a short-term response in about 60% of patients, but no long-term survival advantage. Consequently, novel
therapeutic strategies are desperately needed. The ABL family of tyrosine protein kinases, which includes ABL1
(also known as c-ABL) and ABL2 (also known as ARG), link diverse extracellular stimuli to signaling pathways
that control cell growth, survival, invasion, adhesion, and migration. However, the role of ABL kinases in ALD
has not previously been established. Recently, we found that ABL kinases are activated in mouse liver upon
ethanol treatment. In addition, ABL kinases are also activated in human ALD samples compared to normal livers.
These data suggest that ABL kinases might play a role in ALD. To understand the role of ABL kinases in ALD,
we generated novel liver-specific Abl1, Abl2 or Abl1/Abl2-deficient mouse models. Intriguingly, we found that
deletion of Abl2 or Abl1/Abl2 but not Abl1 alone blocked ethanol-induced steatosis, liver injury and inflammation.
Based on these pieces of evidences, we hypothesize that ABL2 activation by alcohol promotes alcohol-induced
steatosis, liver injury, and inflammation. Accordingly, ABL kinases inhibition may suppress alcohol-induced
steatosis, liver injury, and inflammation. If this hypothesis were confirmed, our results would suggest that ABL
kinase inhibitors might be useful for treating ALD. The results of this proposal could potentially reveal a novel
mechanism for alcohol-induced steatosis, liver injury, and inflammation and provide the groundwork for the
development of novel treatment strategies for ALD.
摘要
项目成果
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Wei Qiu其他文献
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{{ truncateString('Wei Qiu', 18)}}的其他基金
Defining the role of a novel hexokinase in alcoholic liver disease
定义新型己糖激酶在酒精性肝病中的作用
- 批准号:
10791056 - 财政年份:2023
- 资助金额:
$ 21.92万 - 项目类别:
Molecular mechanisms of focal adhesion kinase in promoting hepatocarcinogenesis
粘着斑激酶促进肝癌发生的分子机制
- 批准号:
10534149 - 财政年份:2015
- 资助金额:
$ 21.92万 - 项目类别:
Molecular mechanisms of focal adhesion kinase in promoting hepatocarcinogenesis
粘着斑激酶促进肝癌发生的分子机制
- 批准号:
10320459 - 财政年份:2015
- 资助金额:
$ 21.92万 - 项目类别:














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