Thermogenic Fat: Development, Physiological Function, and Therapeutic Potential
Bruna B Brandão1, Ankita Poojari2, Atefeh Rabiee2
1Section of Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA 02215, USA.
International Journal of Molecular Sciences
|June 2, 2021
Summary
Brown and beige fat cells (thermogenic adipocytes) show promise for treating obesity and metabolic diseases by increasing energy expenditure. Understanding their development and function is key to new therapies.
Area of Science:
- Metabolic science
- Adipose tissue biology
- Obesity research
Background:
- Rising global rates of obesity and metabolic diseases like type 2 diabetes (T2D), dyslipidemia, and cardiovascular disease necessitate novel therapeutic strategies.
- Thermogenic adipocytes (brown and beige fat) are increasingly recognized for their potential to combat metabolic disorders due to their energy expenditure capabilities.
Purpose of the Study:
- To provide a comprehensive overview of the molecular mechanisms governing brown and beige adipocyte development and activation.
- To explore the role of thermogenic adipocytes in energy homeostasis and metabolic regulation.
- To discuss the implications of altered adipose tissue function in obesity and the therapeutic potential of targeting thermogenic activation.
Main Methods:
- Literature review and synthesis of existing research on adipocyte biology.
- Analysis of pathways and molecular players involved in brown and beige fat formation.
- Discussion of metabolic roles and therapeutic applications.
Main Results:
- Thermogenic adipocytes increase energy expenditure, modulate lipid and glucose levels, and offer a potential therapeutic avenue for obesity and related conditions.
- Understanding the molecular intricacies of adipocyte development is crucial for designing effective metabolic disorder treatments.
Conclusions:
- Targeting the formation and activation of brown and beige adipocytes presents a promising strategy for managing obesity and metabolic syndrome.
- Further research into thermogenic adipocyte function can unlock new therapeutic approaches for metabolic health.
Related Concept Videos
Fats as Energy Storage Molecules
26.1K
Triglycerides are a form of long-term energy storage molecules. They are made of glycerol and three fatty acids. To obtain energy from fat, triglycerides must first be broken down by hydrolysis into their two principal components, fatty acids and glycerol. This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl-CoA, which is used by the Krebs cycle. The glycerol that is released from triglycerides after lipolysis...
26.1K
Hypodermis
6.4K
The hypodermis (the subcutaneous layer or superficial fascia) is present directly below the dermis. It connects the skin to the underlying fascia (fibrous tissue) of the bones and muscles. It is not strictly a part of the skin, although the border between the hypodermis and dermis can be difficult to distinguish. The hypodermis consists of well-vascularized, loose, areolar connective tissue and adipose tissue, which functions as a mode of fat storage and provides insulation and cushioning for...
6.4K
Cholesterol: Significance and Regulation
925
Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Considering cholesterol and...
925
Functions of Thyroid Hormones
3.9K
The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
3.9K
Overview of Lipid Metabolism
3.4K
Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
3.4K
Thermoregulation
1.7K
The human body has a sophisticated thermoregulation system that employs negative feedback mechanisms to maintain an optimal core temperature. When the core temperature drops, peripheral and central thermoreceptors send signals to the hypothalamus, activating the heat-promoting center. This center triggers several responses aimed at increasing the core temperature. First, vasoconstriction reduces the flow of warm blood from internal organs to the skin so that the heat is not lost from the skin,...
1.7K


![Visualization and Quantification of Brown and Beige Adipose Tissues in Mice using [18F]FDG Micro-PET/MR Imaging](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F62460.jpg&w=3840&q=50)