解读胰腺神经内分泌瘤:通过循环的小细胞外囊泡揭示
Priya Kumari Gorai1, Simran Rastogi2, Prahalad Singh Bharti2
1Department of Anatomy, All India Institute of Medical Sciences, New Delhi, India.
Heliyon
|April 10, 2024
概括
早期发现胰腺神经内分泌瘤 (PanNET) 是至关重要的. 这项研究确定了PanNET患者中小细胞外囊泡 (sEVs) 的增加,建议将sEVs作为早期诊断的新生物标志物.
科学领域:
- 在瘤学瘤学.
- 生物化学 生物化学
- 分子生物学分子生物学
背景情况:
- 胰腺神经内分泌瘤 (PanNET) 由于检测迟到,其存活率较低.
- 缺乏特定的早期诊断标志物阻碍了PanNET.的及时干预.
- 小型细胞外囊泡 (sEVs) 越来越多地被认为对癌症进展的作用.
研究的目的:
- 研究小细胞外囊泡 (sEVs) 作为PanNET.早期生物标志物的潜力.
- 为了探索sEV度与PanNET存在和等级之间的相关性.
- 为了在SEV和PanNET组织中识别与癌症和自相关的特定标记物.
主要方法:
- 从PanNET患者和对照组的血样本中量化sEV度.
- 使用特定抗体 (CD63,TSG101,CD9,Flotillin-1,GAD65) 对sEV标志物表达的分析.
- 评估癌症标志物BIRC2 / cIAP1和自标志物Beclin-1在血衍生的sEV和PanNET组织中的表达.
主要成果:
- 与对照组相比,PanNET患者的sEV度显著更高 (p < 0.0001),灵敏度为100%.
- 在对照组和1级PanNET之间发现了sEV度的明显差异 (p = 0.005).
- 证实了sEV标记物,癌症标记物BIRC2 / cIAP1和自标记物Beclin-1的表达.
结论:
- 这项研究是首次报告PanNET患者血中sEV分泌量增加的研究.
- 血衍生的sEV显示出作为一种新的,敏感的生物标志物,用于早期的PanNET检测.
- 这些发现表明sEVs在PanNET生长和转移中的潜在作用.
更多相关视频
05:44Isolation of Proximal Fluids to Investigate the Tumor Microenvironment of Pancreatic Adenocarcinoma
Published on: November 5, 2020
4.3K
12:13Sequencing Small Non-coding RNA from Formalin-fixed Tissues and Serum-derived Exosomes from Castration-resistant Prostate Cancer Patients
Published on: November 19, 2019
6.8K
相关概念视频
01:05Insulin Secretory Vesicles
4.9K
Insulin secretory vesicles release insulin to stimulate blood glucose uptake and regulate carbohydrate metabolism. When the blood glucose levels increase, glucose enters the pancreatic β-islet cells through glucose transporters. Once inside, glucose is metabolized through glycolysis, the citric acid cycle, and the electron transport chain, producing ATP. This increase in ATP concentration closes ATP-sensitive potassium channels, leading to depolarization of the membrane and the opening of...
4.9K
01:36Overview of Exosomes
2.7K
Exosomes are stable, lipid bilayer-enclosed vesicles capable of crossing biological barriers. They can carry a wide range of molecules required for intercellular communication. Once exosomes are released from the cell where they originated, they enter a recipient cell through various pathways such as fusion, receptor-mediated endocytosis, macropinocytosis, and phagocytosis.
Stahl et al. discovered exosomes in 1983, but the exosomes were initially considered waste products released from the...
Stahl et al. discovered exosomes in 1983, but the exosomes were initially considered waste products released from the...
2.7K