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相关概念视频

Obesity01:24

Obesity

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The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
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Pharmacokinetics in Obese Patients: Drug Absorption and Distribution01:25

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

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Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...
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Regulation of Food Intake01:30

Regulation of Food Intake

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Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
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Regression Toward the Mean01:52

Regression Toward the Mean

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Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when...
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Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion01:20

Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion

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Drug metabolism, a critical process in the liver, involves two primary phases: Phase I reactions and Phase II conjugation. Obesity introduces significant alterations in this metabolic process, primarily due to fatty infiltration of the liver, leading to conditions such as nonalcoholic fatty liver disease (NAFLD). This condition can modify the activities of both Phase I and II enzymes, impacting how drugs are metabolized in obese patients.Phase I metabolism sees variable effects across...
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Updated: Jan 13, 2026

White and Brown Adipose Grafts: An Approach to Correct Reproductive, Metabolic, and Renal Deficits in Black and Tan Brachyury (BTBR) Obese Mice
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农村到城市的迁移与勒素耐药性增加有关:RODAM研究

Yaw A Kusi-Mensah, Charles F Hayfron-Benjamin, Sean Chetty

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    此摘要是机器生成的。

    地理位置影响了血清瘦素和脂肪蛋白与撒哈拉以南非洲移民的肥胖和胰岛素抵抗的关系. 农村到城市的转型显著改变了这些阿迪波金-心脏代谢特征的关联.

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    科学领域:

    • 代谢健康 代谢健康
    • 环境健康 环境健康
    • 内分泌学 在内分泌学.

    背景情况:

    • 撒哈拉以南非洲 (SSA) 的移民面临着与肥胖和胰岛素耐药性相关的新环境暴露.
    • 阿迪波金 (脂肪组织中的激素) 在心脏代谢健康中起着复杂的作用.
    • 地理背景可能会改变阿迪波金-心脏代谢特征关系.

    研究的目的:

    • 调查地理位置如何影响血清勒丁和阿迪波涅克丁水平与心脏代谢特征之间的关联.
    • 了解不同环境中阿迪波金功能的变化.

    主要方法:

    • 在RODAM研究 (阿姆斯特丹,城市/农村加纳) 中对2640名参与者的横截面分析.
    • 通过相关性和回归,研究了阿迪波金 (莱普丁,阿迪波涅丁) 和心脏代谢特征 (身体组成,胰岛素抵抗,炎症,脂质代谢) 之间的关系.
    • 分析根据地理位置进行了分层.

    主要成果:

    • 身体成分是血清勒丁水平的主要决定因素.
    • 体重指数/腰围和血清瘦素之间的显著相互作用因位置而异,特别是在农村到城市的过渡期间,这表明瘦素敏感性发生了变化.
    • 对于阿迪波涅丁,没有发现显著的基于位置的相互作用;炎症和脂质代谢解释了阿迪波基因的最小差异.

    结论:

    • 血清瘦素和心脏代谢特征之间的关系在不同地理位置上有很大差异.
    • 农村到城市的迁移似乎对这些阿迪波金-心脏代谢关联有很大影响.
    • 需要进一步的研究来澄清对阿迪波金生产,肥胖和心脏代谢疾病的环境影响.