细胞图表揭示了与组织重塑和细胞可塑性相关的空间细胞
Marco Varrone1,2,3, Daniele Tavernari1,2,3,4, Albert Santamaria-Martínez2,4
1Department of Computational Biology, University of Lausanne, Lausanne, Switzerland.
Nature genetics
|December 8, 2023
概括
细胞图表 (CellCharter) 是一种新的框架,用于分析组织中的细胞,使用空间奥米克数据. 它确定了特定的癌细胞和中性粒细胞,与肺癌的不良预后有关.
科学领域:
- 空间生物学 空间生物学
- 计算生物学是一种计算生物学.
- 癌症研究 癌症研究
背景情况:
- 组织包含复杂的细胞,影响健康和疾病.
- 空间奥米克技术可以对这些利基进行详细分析.
- 目前的方法与空间空间数据的规模和多样性作斗争.
研究的目的:
- 开发一个算法框架,CellCharter,用于系统地识别,描述和比较细胞.
- 为了能够对大规模,多样化的空间奥米克数据集进行强有力的分析.
- 发现新的细胞利基成分及其临床相关性.
主要方法:
- 开发CellCharter,这是一个用于空间奥米克数据分析的算法框架.
- 将CellCharter应用于各种空间奥米克数据集,包括数百个样本和数百万个细胞.
- 在人类肺癌队列中使用独立患者数据验证已识别的利基.
主要成果:
- 细胞图表有效地识别了跨不同空间奥米克技术和大型数据集的细胞利基.
- 发现了一种新的细胞利基,包括与瘤相关的中性粒细胞和具有缺氧和迁移标记的癌细胞.
- 这一利基在空间上与增殖性瘤细胞分离,并且与肺癌患者的预后不佳有关.
结论:
- 细胞图表为分析空间组织架构提供了一个可扩展和多功能平台.
- 鉴定出的中性粒细胞癌细胞利基为肺癌进展和患者结果提供了新的见解.
- 这种框架有助于解码空间组织,细胞可塑性和疾病之间的关系.
更多相关视频
11:02An Optimized O9-1/Hydrogel System for Studying Mechanical Signals in Neural Crest Cells
Published on: August 13, 2021
3.0K
11:06Combining Intravital Fluorescent Microscopy IVFM with Genetic Models to Study Engraftment Dynamics of Hematopoietic Cells to Bone Marrow Niches
Published on: March 21, 2017
8.0K
相关概念视频
Stem Cell Niche
5.1K
The stem cell niche is the dynamic microenvironment where stem cells reside. Inside these niches, the cells may remain undifferentiated, undergo high self-renewal, or become lineage-specific progenitors. Stem cells coexist with other niche cells, such as stromal cells. They also interact closely with the ECM. Cell-cell and cell-matrix communication occur via adhesion molecules or soluble factors that signal the stem cells and determine their fate. Stromal cells also provide survival signals to...
5.1K
The Extracellular Matrix
9.0K
Overview
In order to maintain tissue organization, many animal cells are surrounded by structural molecules that make up the extracellular matrix (ECM). Together, the molecules in the ECM maintain the structural integrity of tissue as well as the remarkable specific properties of certain tissues.
Composition of the Extracellular Matrix
The extracellular matrix (ECM) is commonly composed of ground substance, a gel-like fluid, fibrous components, and many structurally and functionally diverse...
In order to maintain tissue organization, many animal cells are surrounded by structural molecules that make up the extracellular matrix (ECM). Together, the molecules in the ECM maintain the structural integrity of tissue as well as the remarkable specific properties of certain tissues.
Composition of the Extracellular Matrix
The extracellular matrix (ECM) is commonly composed of ground substance, a gel-like fluid, fibrous components, and many structurally and functionally diverse...
9.0K
Bone Remodeling
38.3K
Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
38.3K
Cell Migration
4.9K
Cell migration is a process by which the cells move from one location to another, playing an essential role in embryological development, repair and regeneration, immune response, and metastasis. Cells migrate in response to chemical or mechanical signals generated by specific organs or tissues. The overall mechanism includes three steps - polarization, protrusion, and release. Polarization involves the formation of a distinct cell front and rear, which determines the direction of movement.
4.9K
Introduction to Fibroblasts
3.1K
Rudolph Virchow discovered spindle-shaped cells called fibroblasts in 1858. Inactive fibroblasts, called fibrocytes, become activated by various stimuli, such as growth factors and inflammatory cytokines. Activated fibroblasts play a crucial role in wound healing, inflammation, formation of new blood vessels, and cancer progression. Uncontrolled activation of fibroblasts results in fibrosis, the excess deposition of fibrous tissue, which can lead to scarring and affect normal organs. This...
3.1K
Extracellular Matrix
2.9K
Unlike epithelial tissue, which is composed of cells closely packed with little or no extracellular space in between, connective tissue cells are dispersed in a matrix. This extracellular matrix (ECM) is composed of fibrous proteins like collagen, elastin, and fibronectin in a ground substance consisting of interstitial fluid, cell adhesion proteins, and proteoglycans. The proteoglycans form a gel-like material in the spaces between cells and provide hydration, buffering, binding, and force...
2.9K
