卷轴和剪切都会诱导内源性神经Y在时间上依赖的释放到血清中
Elisabeth Bründl1, Martin Proescholdt1, Petra Schödel2
1Department of Neurosurgery, University Medical Center Regensburg, Regensburg, Germany.
Frontiers in neurology
|March 1, 2024
概括
在神经外科手术期间对大脑动脉的操纵显著增加了神经Y (NPY) 血清水平. 这一发现表明,NPY可能会影响神经血管手术后患者的结果.
科学领域:
- 神经外科 神经外科
- 血管神经学 血管神经学
- 神经内分泌学神经内分泌学
背景情况:
- 神经Y (NPY) 涉及到下大脑下出血和精神疾病.
- NPY存储在围神经纤维中,围绕大脑动脉周围.
- 这项研究调查了神经血管程序期间NPY释放.
研究的目的:
- 在微手术和脑血管内血管操纵后分析血清NPY水平.
- 为了比较血管手术和非血管对照之间的NPY水平.
- 了解直接动脉操纵对内源性NPY的影响.
主要方法:
- 对58名接受神经血管修复或控制手术的患者进行前性研究.
- 血清NPY水平通过竞争性酶免疫试验在多个时间点测量.
- 使用ANOVA进行群组比较和重复测量的统计分析.
主要成果:
- 血清NPY度在血管组明显高于非血管组 (p < 0.001).
- 内血管封闭 (EV) 亚组在72小时 (p=0.0217) 显示的NPY水平高于微手术剪切 (MS).
- 在随访时,在EV子组中观察到最高的NPY水平.
结论:
- 直接操纵大脑动脉诱导显著的NPY释放到血清中.
- 这项研究提供了对神经血管程序中短期NPY动态的初步见解.
- 需要进一步的研究来探索NPY在神经血管患者心理行为结果中的作用.
相关概念视频
Fusion of Secretory Vesicles with the Plasma Membrane
11.1K
Proteins and neurotransmitters in secretory vesicles can be released from a cell upon vesicle docking, priming, and fusion with the plasma membrane. Vesicles are docked and primed in preparation for the quick exocytosis of their contents in response to a stimulus. The fusion process is mainly carried out by a SNAP Receptor or SNARE complex, consisting of synaptobrevin, syntaxin-1, and SNAP-25.
In 1993, Jim Rothman proposed that the antiparallel pairing of vesicular and transmembrane SNAREs, or...
In 1993, Jim Rothman proposed that the antiparallel pairing of vesicular and transmembrane SNAREs, or...
11.1K
Overview of Secretory Vesicles
8.5K
Secretory vesicles, also known as dense core vesicles (DCVs), are membrane-bound vesicles that transport secretory proteins, such as hormones or neurotransmitters. Regulated secretory vesicles transport proteins from the trans-Golgi network to the exterior of the cell. Proteins present in regulated secretory vesicles are required to be rapidly exocytosed in large amounts upon a specific stimulus.
Various proteins regulate the aggregation of molecules inside the secretory vesicles. Chromogranins...
Various proteins regulate the aggregation of molecules inside the secretory vesicles. Chromogranins...
8.5K
Regulation of Hormone Secretion
3.4K
Regulation of hormone secretion is a finely tuned orchestration driven by various types of stimuli, encompassing neural, humoral, and hormonal signals. Environmental cues instigate neural stimuli, where action potentials traverse nerve fibers to reach their designated targets. An illustrative scenario is the body's response to stress, wherein the sympathetic nervous system releases epinephrine from the adrenal glands, inducing the well-known 'fight or flight' reaction.
Humoral...
Humoral...
3.4K
Regulation of Food Intake
228
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...
228


