老年患者的水分状况与血蛋白质组的变化有关,特别是参与凝血的蛋白质
Laura Hoen1, Daniel Pfeffer1,2, Johannes R Schmidt3
1Institute for Bioanalysis, Coburg University of Applied Sciences and Arts, Friedrich-Streib-Str. 2, 96450 Coburg, Germany.
Nutrients
|September 9, 2023
概括
老年患者容易出现脱水. 这项研究发现,水合状态显著改变了血蛋白质组,影响了参与伤口愈合,角质化和血块形成的蛋白质.
科学领域:
- 老年学是一门学科.
- 蛋白质组学是指蛋白质组学.
- 生物标志物 生物标志物
背景情况:
- 老年人面临脱水风险增加,原因是生理变化,如减少口渴和身体水分.
- 补水状态是整体健康的关键因素,特别是在老年人群中.
研究的目的:
- 研究中度脱水和过度水解对老年患者血蛋白质组的影响.
- 在老年人中确定受不同水分水平影响的特定蛋白质和生物通路.
主要方法:
- 从131名老年患者收集了血液样本,药物史和生物电阻分析 (BIA) 数据.
- 来自脱水,过水和对照组的血样本使用液态染色体质谱法 (LC-MS) 进行分析.
- 生物电阻向量分析 (BIVAs) 用于评估水分状态.
主要成果:
- 对女性262种蛋白质和男性293种蛋白质的量化.
- 根据水分状态确定了38种蛋白质,其丰度显著不同.
- 蛋白质丰富分析强调了"伤口愈合"和"化"途径的失调.
结论:
- 补水状态显然会影响老年人的血蛋白质组.
- 与凝块形成相关的蛋白质对水分水平的变化特别敏感.
- 研究结果表明,在老年护理中,水分状态的潜在生物标志物.
相关概念视频
Factors Affecting Protein-Drug Binding: Patient-Related Factors
82
Protein-drug binding, a pivotal aspect of pharmacokinetics, is subject to considerable variability influenced by an array of patient-related factors. The intricate interplay of age, individual differences, and pathological conditions significantly impact the binding dynamics and subsequent pharmacological effects.
Age stands as a key determinant in protein-drug binding. Neonates, characterized by low albumin content, experience heightened concentrations of unbound drugs such as phenytoin and...
Age stands as a key determinant in protein-drug binding. Neonates, characterized by low albumin content, experience heightened concentrations of unbound drugs such as phenytoin and...
82
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
118
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
118
Composition of Blood Plasma
4.2K
Blood plasma is a fluid that contains approximately 92% water and 8% solutes. The solutes include various types of proteins, which constitute about 7% of the total solutes in the plasma. The high-molecular-weight proteins—albumins, globulins, and fibrinogen—are essential to plasma function. Albumins, making up about 60% of the plasma proteins, maintain the osmotic balance within blood vessels by preventing excessive water leakage. Additionally, albumins serve as carrier proteins,...
4.2K
Nephrotic Syndrome I : Introduction
9
Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of...
9
Anticoagulant Drugs: Low-Molecular-Weight Heparins
747
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
747
The Effect of Aging on Tissues
2.1K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
2.1K


