Different Transcriptome Signatures of the Lymphatic and the Blood Vessels From Rat Mesentery Reveal Distinct Function Characteristics

IF 1.9 4区 医学 Q3 HEMATOLOGY
Yumeng Jing, Jiayi Zhai, Min Gao, Xiu Xu, Zi-Gang Zhao, Zhen-Ao Zhao
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引用次数: 0

Abstract

Objective

Lymphatic vessels and blood vessels have some similarities in structure, but they have distinct contraction characteristics and functions. Revealing the detailed transcriptional differences of lymphatic, artery and vein are required for circulation research.

Methods

The tissues of the mesenteric lymphatic, artery, and vein were collected from Wistar rats. The transcriptome signatures of these tissues from RNA-seq (RNA sequencing) were analyzed using bioinformatic methods.

Results

GO (gene ontology) enrichment showed the three tissues have distinct gene expression patterns in extracellular matrix, cell adhesion molecule binding, receptor ligand activity, and contractile fiber. The genes involved in cell contractility were also differently expressed, which were enriched into the KEGG (Kyoto Encyclopedia of Genes and Genomes) pathways of cytoskeleton in muscle cells, vascular smooth muscle contraction, and renin-angiotensin system. Through PPI (protein–protein interaction) analysis, we identified 43 differently expressed hub genes in the three tissues. Thirty-four transcription factors and cofactors were identified as important for the normal function of the three tissues. Furthermore, we screened out 20 potential marker genes for each tissue.

Conclusions

Our study described the transcriptome signatures of mesenteric lymphatic, artery, and vein, shedding light on the distinct contraction mechanisms of these tissues. These results also provided potential therapeutic targets for circulation diseases and potential markers for lymphatic and blood vessel studies.

大鼠肠系膜淋巴和血管的不同转录组特征揭示了不同的功能特征
目的淋巴管与血管在结构上有一定的相似性,但其收缩特性和功能却截然不同。揭示淋巴、动脉和静脉的详细转录差异是循环研究的必要条件。方法取Wistar大鼠肠系膜淋巴、动脉、静脉组织。利用生物信息学方法分析了这些组织的RNA-seq (RNA测序)转录组特征。结果GO(基因本体)富集显示,三种组织在细胞外基质、细胞黏附分子结合、受体配体活性和收缩纤维等方面具有不同的基因表达模式。参与细胞收缩的基因也有不同的表达,这些基因富集在肌肉细胞细胞骨架、血管平滑肌收缩和肾素-血管紧张素系统的KEGG (Kyoto Encyclopedia of genes and Genomes)通路中。通过蛋白-蛋白相互作用(PPI)分析,我们在三种组织中鉴定出43个不同表达的枢纽基因。鉴定出34种转录因子和辅助因子对三种组织的正常功能有重要作用。此外,我们为每个组织筛选了20个潜在的标记基因。我们的研究描述了肠系膜淋巴、动脉和静脉的转录组特征,揭示了这些组织不同的收缩机制。这些结果也为循环疾病提供了潜在的治疗靶点,并为淋巴和血管研究提供了潜在的标志物。
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来源期刊
Microcirculation
Microcirculation 医学-外周血管病
CiteScore
5.00
自引率
4.20%
发文量
43
审稿时长
6-12 weeks
期刊介绍: The journal features original contributions that are the result of investigations contributing significant new information relating to the vascular and lymphatic microcirculation addressed at the intact animal, organ, cellular, or molecular level. Papers describe applications of the methods of physiology, biophysics, bioengineering, genetics, cell biology, biochemistry, and molecular biology to problems in microcirculation. Microcirculation also publishes state-of-the-art reviews that address frontier areas or new advances in technology in the fields of microcirculatory disease and function. Specific areas of interest include: Angiogenesis, growth and remodeling; Transport and exchange of gasses and solutes; Rheology and biorheology; Endothelial cell biology and metabolism; Interactions between endothelium, smooth muscle, parenchymal cells, leukocytes and platelets; Regulation of vasomotor tone; and Microvascular structures, imaging and morphometry. Papers also describe innovations in experimental techniques and instrumentation for studying all aspects of microcirculatory structure and function.
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