核受体作为威尔逊病的新治疗靶点-猫眼课题宝

核受体作为威尔逊病的新治疗靶点

批准号：

9437798

负责人：

Clavia Ruth Wooton-Kee

金额：

$14.9万

依托单位：

BAYLOR COLLEGE OF MEDICINE

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：

2017-02-17 至 2022-01-31

来源：

https://reporter.nih.gov/project-details/9437798

关键词：

ATP phosphohydrolase Adverse effects Animal Disease Models Animal Model Area Autophagocytosis Binding ChIP-seq Chelation Therapy Cholestasis Cirrhosis Complement Copper Correlative Study Cysteine Defect Diabetes Mellitus Diagnosis Dietary Zinc Disease Disease Progression Disease model Drug Metabolic Detoxication Dyslipidemias Functional disorder Future Gene Expression Gene Targeting Genomics Goals Hepatic Hepatolenticular Degeneration Hepatology Homeostasis Impairment Institution Ligands Ligation Link Lipids Liver Liver Dysfunction Liver Failure Liver diseases Lysosomes Mediating Medical center Medicine Metabolic Metabolism Mitochondria Molecular Molecular and Cellular Biology Mus Neurologic Dysfunctions Nuclear Receptors Nutrient Oxidative Stress PPAR alpha Pathology Pathway interactions Patients Postdoctoral Fellow Primary biliary cirrhosis RXR Regulation Reporting Research Research Personnel Response Elements Role Scientist Severities Signal Pathway Signal Transduction Symptoms Testing Texas Therapeutic Toxic effect Training Zinc acetaminophen overdose bile duct college compliance behavior dietary excess experimental study faculty research improved insight liver injury liver metabolism liver transplantation loss of function mutation mRNA Expression meetings mouse model new therapeutic target nonalcoholic steatohepatitis novel novel strategies predictive test promoter receptor binding receptor function response stress reduction therapeutic target transcriptome transcriptome sequencing whole genome

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Project Summary/Abstract The goal of this proposal is to extend my training as an independent scientist in the field of molecular hepatology and discover mechanisms of nuclear receptor regulation of hepatic metabolism. To this end, I have selected the Molecular and Cellular Biology Department at Baylor College of Medicine to continue my transition to become an independent investigator at an academic institution. This proposal outlines an extensive Research Strategy that is complemented by several areas of training, which includes several courses directly related to my studies in Specific Aim 1, meeting with my junior faculty research committee, and attendance and participation of multiple seminars throughout the Texas Medical Center. My Research Strategy will determine whole genomic-changes in nuclear receptor binding in a Wilson's disease animal model (Atp7b-/- mouse). Wilson's disease is an autosomal recessive disorder caused by loss of function mutations in the Cu- transporting P-type ATPase, ATP7b, which results in a variety of symptoms, including hepatic copper accumulation, cholestasis, cirrhosis, liver failure, and neurological dysfunction. Treatments for Wilson's disease are limited to chelation therapy, zinc therapy, or liver transplantation. Chelation therapy has been associated with several side-effects and poor patient compliance, and uncontrolled Wilson's disease can result in liver failure and requires liver transplantation for patient survival. Despite the severity of Wilson's disease, insights regarding copper-mediated changes in metabolism are limited. My post-doctoral studies established a defect in nuclear receptor activity in the Atp7b-/- mouse and Wilson's disease patients. The proposed K01 experiments continue those studies to determine the broader changes in nuclear receptor promoter occupancy and target gene mRNA expression, as well as test if targeting the nuclear receptors decreases the liver pathology observed in the Atp7b-/- mouse.

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