INTESTINAL LIPOPROTEIN METABOLISM

肠道脂蛋白代谢

• 批准号: 3235139
• 负责人: ALLEN COOPER
• 金额: $ 16.68万
• 依托单位: PALO ALTO MEDICAL FOUNDATION RES INST
• 依托单位国家: 美国
• 财政年份: 1987
• 资助国家: 美国
• 起止时间: 1987-08-01 至 1992-07-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/3235139
• 关键词: HMG coA reductases; apolipoproteins; atherosclerosis; blood lipoprotein metabolism; cholesterol; dietary lipid; gastrointestinal neoplasms; high density lipoproteins; histochemistry /cytochemistry; human tissue; intestines; liver circulation; low density lipoprotein; species difference

In this application, we propose to study several aspects of intestinal lipoprotein metabolism. First, we will evaluate to in depth the role of the various parts of the intestine in the degradation of low density lipoprotein (LDL). A unique aspect of this work will be the use of antireceptor antibodies to study LDL metabolism. The distribution of receptors along the GI tract will be determined by immunohistochemistry and direct binding. The presence of receptors in crypt and villous cells and the subcellular location of the receptors will also be determined. Regulation of receptor number under the influence of altered serum level and dietary and pharmacologic perturbation will be studied as well as the effect of malignant degeneration on receptor number. In other studies, the role of the LDL receptor in high density lipoprotein metabolism will be studied. The question of whether there is transport of cholesterol in excess of apoprotein will be addressed.

在此应用中，我们建议研究以下几个方面 肠道脂蛋白代谢。 首先，我们将评估 深入了解肠道各部分在肠道中的作用 低密度脂蛋白（LDL）的降解。 一个独特的方面 这项工作将利用抗受体抗体来研究 LDL 代谢。 受体沿胃肠道的分布 通过免疫组织化学和直接结合来测定。 这 隐窝和绒毛细胞以及亚细胞中存在受体 受体的位置也将被确定。 监管 血清水平变化影响下的受体数量和 将研究饮食和药物干扰 恶性变性对受体数量的影响。 在其他研究中，LDL 受体在高密度脂蛋白中的作用 将研究脂蛋白代谢。 是否的问题 存在过量脱辅基蛋白的胆固醇运输 已解决。