相关实验视频
Updated: Jul 16, 2026

07:08
Burn Injury-Induced Pain and Depression-Like Behavior in Mice
Published on: September 29, 2021
在炎症中控制点
1Department of Microbiology and Immunology, Weill Medical College of Cornell University, New York, NY 10021, USA. cnathan@med.cornell.edu
Nature
|December 20, 2002
概括
炎症是一种对伤害的生物反应,涉及细胞和通常促进愈合的因素. 然而,失调的炎症可能会导致持续的组织损伤,强调需要控制炎症过程.
科学领域:
- 免疫学 免疫学 免疫学
- 细胞生物学 细胞生物学
- 病理学 病理学 病理学
背景情况:
- 炎症是一种由各种伤害引发的关键生物过程,包括创伤,感染,缺血,毒素和自身免疫性疾病.
- 虽然通常会导致愈合,但如果不适当调节,炎症会导致慢性组织损伤.
- 维持健康,非炎症状态需要积极抑制对潜在有害刺激的反应.
研究的目的:
- 阐明控制炎症反应的复杂机制.
- 了解控制炎症升级和解决的监管检查点.
- 探索区分需要炎症反应的刺激与不需要炎症反应的刺激之间的分子基础.
主要方法:
- 对有关炎症通路的现有文献的审查.
- 对参与炎症的分子信号级联的分析.
- 在炎症和非炎症状态期间检查细胞相互作用.
主要成果:
- 炎症涉及可溶性因素和细胞之间的复杂相互作用.
- 监管检查点,包括"启动"和"停止"信号,控制着炎症过程.
- 特定的基因产物对于积极抑制不适当的炎症反应至关重要.
结论:
- 炎症是一个严格规范的过程,有关键的检查点.
- 这些检查点的失调会导致有害的持续性组织损伤.
- 保持健康需要积极的抑制机制,以防止不必要的炎症反应.
相关概念视频
Methods of reducing fever
The signs and symptoms of fever include hot and dry skin, flushed face, thirst, muscle aches, anorexia, headache, tachycardia, tachypnea, and fatigue. Elevated body temperature is reduced using two methods: pharmacological and nonpharmacological. Proper identification and treatment of the root cause of a fever is of utmost importance.
Pharmacological Methods of Reducing Fever:
Pharmacological Methods of Reducing Fever:
Controls in Experiments
When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more reliable. Controls are elements in an experiment that have the same characteristics as the treatment groups but are not affected by the independent variable. By sorting these data into control and experimental conditions, the relationship between the dependent and independent variables can be drawn. A randomized experiment always includes a...
Methods for Controlling Microbial Growth
Microbial growth control refers to various methods employed to inhibit, reduce, or eliminate microorganisms to ensure safety and hygiene across different settings. These methods are categorized based on the target environment and the level of microbial control required.Biocides are versatile agents designed to control microorganisms by either inhibiting their growth or outright killing them. These agents work through various physical, chemical, mechanical, or biological mechanisms. The...
Physical Methods for Controlling Microbial Growth: Temperature
Heat is a widely used method to control microbial growth by targeting and denaturing cellular proteins, thereby killing or inactivating microbes. This method's effectiveness is quantified using parameters such as the thermal death point (TDP), thermal death time (TDT), and decimal reduction time (D value). TDP represents the lowest temperature at which all microorganisms in a liquid suspension are eliminated within 10 minutes, whereas TDT is the time necessary to achieve sterilization at a...
Bioreactor Controls-I
Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly monitored using...
Bioreactor Controls-II
In aerobic fermentations, oxygen is vital for microbial growth and metabolite production. Since air comprises only about 20% oxygen and the gas is poorly soluble in water—just 9 ppm at 20°C—supplying sufficient oxygen becomes a critical challenge, especially in high-demand processes like yeast growth or citric acid production. Even a fully saturated broth may offer only a few seconds of oxygen availability.To address this, sterile or scrubbed air is introduced into the fermentor via a sparger...

