相关实验视频
Updated: Jan 29, 2026

09:45
Detection of Copy Number Alterations Using Single Cell Sequencing
Published on: February 17, 2017
12.1K
通过整合孟德尔随机化和单细胞测序来挖掘在骨关节炎中T细胞耗尽的潜在治疗标
Jiahong Li1, Yi Ye1, Yan Zhang1
1Orthopaedic Department, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Sichuan, China.
概括
这项研究确定了四个关键基因 (GPR65,LDLR,PLIN2,TRIM14) 作为骨关节炎 (OA) 的生物标志物. 这些生物标志物为开发OA新诊断和治疗策略提供了潜力.
科学领域:
- 免疫学 免疫学 免疫学
- 遗传学 是一个遗传学.
- 生物标志物发现发现
背景情况:
- T细胞耗尽 (TEX) 与骨关节炎 (OA) 的发展和进展有关.
- 在OA中识别与TEX相关基因 (TEXRGs) 相关的特定生物标志物对于治疗和预后进步至关重要.
研究的目的:
- 在OA中识别和验证与TEXRG相关的生物标志物.
- 探索OA的潜在生物机制和潜在的治疗点.
主要方法:
- 利用来自公共数据库的OA数据集,将差异表达基因 (DEGs) 与TEXRGs交叉.
- 采用孟德尔随机化 (MR) 分析,使用表达定量特征位置 (eQTL) 数据来识别因果基因.
- 进行了基因表达,ROC,功能丰富,免疫透,药物预测,分子对接和单细胞分析.
主要成果:
- 确定了GPR65,LDLR,PLIN2和TRIM14作为重要的OA生物标志物.
- MR分析表明PLIN2具有保护性,而GPR65,LDLR和TRIM14是OA的危险因素.
- 这些生物标志物在"溶解体"途径中被共同丰富,在OA样本和已识别的免疫细胞中观察到特定的表达模式.
结论:
- GPR65,LDLR,PLIN2和TRIM14作为OA诊断和预后的有价值的生物标志物.
- 已识别的生物标志物和途径为开发有针对性的OA疗法提供了新的见解.
- 突出显示T细胞和巨细胞是OA病变发生过程中的关键细胞参与者.
相关概念视频
Cell Potential and Free Energy
46.4K
Thermodynamics of a Redox Reaction
Thermodynamics is the branch of physics dealing with the relationship between heat and other forms of energy. In an electrochemical cell, chemical energy is converted into electrical energy.
Thus, a link can be predicted between cell potential, free energy change, and the equilibrium constant for the reaction. Cell potential can also be measured as the oxidant or the reducing strength, and similar acid-base strength measures are reflected in equilibrium...
Thermodynamics is the branch of physics dealing with the relationship between heat and other forms of energy. In an electrochemical cell, chemical energy is converted into electrical energy.
Thus, a link can be predicted between cell potential, free energy change, and the equilibrium constant for the reaction. Cell potential can also be measured as the oxidant or the reducing strength, and similar acid-base strength measures are reflected in equilibrium...
46.4K
Target Cell Response to Hormones
5.7K
Hormones intricately bind to receptors on the surface or within target cells, initiating a cascade of cellular responses.
Notably, the cellular response can be regulated by altering the number of receptors expressed in the cell. For example, prolonged exposure to elevated hormone levels results in a gradual decline or down-regulation in the number of receptors for that specific hormone on the cell surface. Conversely, in response to low hormone levels, cells may use up-regulation, producing an...
Notably, the cellular response can be regulated by altering the number of receptors expressed in the cell. For example, prolonged exposure to elevated hormone levels results in a gradual decline or down-regulation in the number of receptors for that specific hormone on the cell surface. Conversely, in response to low hormone levels, cells may use up-regulation, producing an...
5.7K
Random Error
9.8K
Random or indeterminate errors originate from various uncontrollable variables, such as variations in environmental conditions, instrument imperfections, or the inherent variability of the phenomena being measured. Usually, these errors cannot be predicted, estimated, or characterized because their direction and magnitude often vary in magnitude and direction even during consecutive measurements. As a result, they are difficult to eliminate. However, the aggregate effect of these errors can be...
9.8K
Random Variables
17.8K
A random variable is a single numerical value that indicates the outcome of a procedure. The concept of random variables is fundamental to the probability theory and was introduced by a Russian mathematician, Pafnuty Chebyshev, in the mid-nineteenth century.
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...
17.8K
Randomized Experiments
9.0K
The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
Simple randomization
Simple...
9.0K
Random and Systematic Errors
14.8K
Scientists always try their best to record measurements with the utmost accuracy and precision. However, sometimes errors do occur. These errors can be random or systematic. Random errors are observed due to the inconsistency or fluctuation in the measurement process, or variations in the quantity itself that is being measured. Such errors fluctuate from being greater than or less than the true value in repeated measurements. Consider a scientist measuring the length of an earthworm using a...
14.8K

