Related Experiment Video
Updated: Jun 30, 2026
08:34
Mechanism of Regulation of Adipocyte Numbers in Adult Organisms Through Differentiation and Apoptosis Homeostasis
Published on: June 3, 2016
The Ageing Adipose Paradox: Implications for Metabolic Health
Dana Bou Matar1, Muhammad Affan Elahi2, Walid Khaled Nassar2
1Department of Physiology, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia.
Diabetes, Obesity & Metabolism
|June 28, 2026
Summary
Aging impairs fat tissue function, leading to metabolic decline and insulin resistance. Therapeutic strategies aim to restore fat cell precursors and improve metabolic healthspan.
Area of Science:
- Metabolic physiology
- Aging research
- Adipose tissue biology
Background:
- Adipose tissue plasticity declines with age, impairing lipid buffering capacity.
- This dissociation contributes to systemic insulin resistance and metabolic dysfunction.
Purpose of the Study:
- Review molecular mechanisms linking aging adipose tissue dysfunction to metabolic decline.
- Appraise therapeutic strategies for restoring adipose progenitor function and mitigating metabolic consequences.
Main Methods:
- Literature review of molecular mechanisms and therapeutic interventions.
- Analysis of age-related changes in adipose tissue plasticity and function.
- Evaluation of preclinical and clinical data on therapeutic strategies.
Main Results:
- Aging adipose tissue exhibits transcriptional reprogramming, altered sirtuin activity, nuclear lamina remodeling, and senescence.
- These defects promote inflammation, inhibit preadipocyte differentiation, and cause fat redistribution.
- Consequences include accelerated insulin resistance, type 2 diabetes, and cardiovascular disease.
Conclusions:
- Therapeutic strategies include senolytics, NAD+ precursors, and incretin-based agents.
- Emerging approaches involve stem cell therapies and CRISPR gene editing.
- Restoring adipose progenitor competence is key to slowing age-related metabolic decline and extending healthspan.
Related Concept Videos
01:02Hypodermis
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...
01:24Obesity
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in adipocytes...
01:29Cholesterol: Significance and Regulation
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...
01:19The Effect of Aging on Tissues
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
01:26Aging
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
01:24Overview of Lipid Metabolism
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...