Related Experiment Video
Updated: Feb 13, 2026
09:09
Isolation and In Vitro Culture of Murine and Human Alveolar Macrophages
Published on: April 20, 2018
25.3K
Tsc1 controls the development and function of alveolar macrophages
Song Chen1, Qiongmei Yang2, Jingru Liu3
1State Key Laboratory of Experimental Hematology, Institute of Hematology and Hospital of Blood Disease, Peking Union Medical College, Chinese Academy of Medical Sciences, Tianjin, 300020, China.
Biochemical and Biophysical Research Communications
|March 10, 2018
Summary
The Tsc1 protein controls alveolar macrophage (AM) numbers. Deleting Tsc1 impairs AM development and function, highlighting Tsc1
Area of Science:
- Immunology
- Cell Biology
- Pulmonary Medicine
Background:
- Alveolar macrophages (AMs) are crucial for lung homeostasis.
- The regulatory mechanisms governing AM development and function are not fully understood.
Purpose of the Study:
- To investigate the role of the Tsc1 protein in regulating the development, proliferation, and function of alveolar macrophages.
Main Methods:
- Utilized Cd11c-specific deletion to study Tsc1 function in AMs.
- Analyzed AM population size, surface marker expression (CD64, SiglecF), proliferation, reactive oxygen species (ROS) production, and phagocytosis.
Main Results:
- Tsc1 deficiency led to inefficient pre-AM to AM transition and reduced AM numbers.
- Tsc1 ablation downregulated CD64 and SiglecF expression on AMs.
- Conditional knockout of Tsc1 enhanced AM proliferation, ROS production, and phagocytosis.
Conclusions:
- Tsc1 is a critical regulator of alveolar macrophage development.
- Tsc1 plays a significant role in controlling AM proliferation and key functions like ROS production and phagocytosis.
Related Concept Videos
01:58Fruit Development, Structure, and Function
25.4K
Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.
25.4K
01:21Transfer Function in Control Systems
1.6K
The transfer function is a fundamental concept in the analysis and design of linear time-invariant (LTI) systems. It offers a concise way to understand how a system responds to different inputs in the frequency domain. It serves as a bridge between the time-domain differential equations that describe system dynamics and the frequency-domain representation that facilitates easier manipulation and analysis.
To derive the transfer function, consider a general nth-order linear time-invariant...
To derive the transfer function, consider a general nth-order linear time-invariant...
1.6K
01:26Alveoli and Alveolar Ducts
6.0K
The respiratory zone of the human body, which stands in contrast to the conducting zone, comprises the structures that actively participate in the exchange of gases. The initiation of this zone is marked by the terminal bronchioles converging into respiratory bronchioles, the tiniest bronchiole classification. The respiratory bronchioles give way to the alveolar ducts that opens into a congregation of alveoli. Actively involved in gas exchange, alveoli resemble tiny sacs similar to clusters of...
6.0K
02:33Combinatorial Gene Control
9.7K
Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
9.7K
01:21Control System Problem
444
In an open-loop system, such as a basic thermostat, the poles of the transfer function influence the system's response but do not determine its stability. However, when feedback is introduced to form a closed-loop system, such as an advanced thermostat that adjusts heating based on room temperature, stability is governed by the new poles of the closed-loop transfer function.
When forming a closed-loop system, issues can arise if the poles cross into the unstable region, leading to potential...
When forming a closed-loop system, issues can arise if the poles cross into the unstable region, leading to potential...
444
01:43Sustainable Development
15.2K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
15.2K