Related Experiment Video
Updated: Jul 29, 2025
11:40
High-Throughput Screening of Microbial Isolates with Impact on Caenorhabditis elegans Health
Published on: April 28, 2022
2.8K
Exploring the Relationship between the Gut Microbiota and Ageing: A Possible Age Modulator
Juan Salazar1, Pablo Durán1, María P Díaz1
1Endocrine and Metabolic Diseases Research Center, School of Medicine, University of Zulia, Maracaibo 4001, Venezuela.
Summary
The gut microbiota influences health in older adults, potentially extending lifespan or causing age-related diseases. Modulating the gut microbiome offers a strategy to improve health and longevity in the elderly.
Area of Science:
- Microbiology
- Gerontology
- Immunology
- Metabolism
Background:
- The gut microbiota (GM) is extensively researched for its impact on human health.
- Microbial composition significantly affects older adults' health status, influencing longevity or disease risk.
- Age-related changes in the microbiome can be targeted for health interventions.
Purpose of the Study:
- To review current knowledge on gut microbiota characteristics and modifiers in aging.
- To explore the relationship between gut microbiota and longevity.
- To analyze gut microbiota-modulating strategies for increasing life expectancy.
Main Methods:
- Literature review of studies on gut microbiota, aging, and health outcomes.
- Analysis of taxonomic and functional changes in the elderly microbiome.
- Examination of unique microbial profiles in centenarians and their metabolic pathways.
Main Results:
- Gut microbiota composition impacts older adults' health, potentially extending life expectancy through metabolic and immune modulation.
- Dysbiosis is linked to age-related diseases like inflammatory, musculoskeletal, metabolic, and neurological disorders.
- Centenarian gut microbiota exhibits unique, health-promoting metabolic pathways with anti-inflammatory and antioxidant actions.
Conclusions:
- Gut microbiota modulation is a promising approach to improve health and increase life expectancy in the elderly.
- Targeting the microbiome's anti-aging properties, such as anti-inflammatory and antioxidant effects, is key.
- Understanding GM-modifying strategies can lead to interventions for healthier aging.
Related Concept Videos
01:23Anatomy of the Intestines
72.6K
Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
72.6K
01:19The Effect of Aging on Tissues
2.2K
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...
2.2K
01:26Aging
92
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...
92
01:37Mitochondria
14.0K
Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
14.0K
01:29Bacterial Flora of the Large Intestine
533
The gut microbiome is formed by a vast and diverse community of bacteria that colonizes our large intestine. These bacteria start residing in the gut from birth and continue diversifying throughout life, influenced by factors such as diet, lifestyle, and stress. The gut bacterial community also includes bacteria from food and those that enter the colon through the anus.
The normal gut flora of the colon plays a critical role in generating essential vitamins such as vitamins K, B5, and B7.
The normal gut flora of the colon plays a critical role in generating essential vitamins such as vitamins K, B5, and B7.
533
01:26Factors Affecting the Risk of Infection
12.1K
The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
12.1K