Related Experiment Video
Updated: Jun 3, 2025
11:06
Network Pharmacology Prediction and Metabolomics Validation of the Mechanism of Fructus Phyllanthi against Hyperlipidemia
Published on: April 7, 2023
1.9K
Utilizing Lactic Acid Bacteria to Improve Hyperlipidemia: A Comprehensive Analysis from Gut Microbiota to Metabolic
Changlu Ma1,2, Chen Xu2, Mumin Zheng2
1Department of Food and Bio-Engineering, Beijing Vocational College of Agriculture, Beijing 102442, China.
Foods (Basel, Switzerland)
|January 8, 2025
Summary
This study shows the probiotic Lactobacillus casei CAAS36 effectively lowers cholesterol and improves gut health in hyperlipidemic hamsters. It highlights potential for natural management of high cholesterol and related metabolic disorders.
Area of Science:
- Microbiology
- Metabolic Science
- Nutritional Science
Background:
- Hyperlipidemia is a major risk factor for cardiovascular diseases.
- Gut microbiota plays a crucial role in metabolic regulation.
- Probiotics are being investigated for their potential health benefits.
Purpose of the Study:
- To investigate the cholesterol-lowering effects of Lactobacillus casei CAAS36.
- To assess the impact of L. casei CAAS36 on gut microbiota composition and metabolic pathways in hyperlipidemic hamsters.
Main Methods:
- 1H NMR-based metabolomics was used to analyze metabolic profiles.
- 16S rRNA gene sequencing was employed to study gut microbiota composition.
- Hyperlipidemic hamster model was utilized to evaluate the probiotic's efficacy.
Main Results:
- L. casei CAAS36 treatment significantly reduced total cholesterol, LDL-C, and triglycerides, while increasing HDL-C.
- The probiotic altered gut microbiota composition, restoring the Firmicutes/Bacteroidetes balance and increasing propionate producers.
- Key beneficial metabolites, including propionate and succinate, were significantly increased.
Conclusions:
- L. casei CAAS36 demonstrates dual regulatory effects on metabolic profiles and gut microbiota.
- This probiotic shows significant potential for managing hyperlipidemia and other metabolic diseases.
- L. casei CAAS36 could serve as a natural therapeutic agent, reducing reliance on conventional drugs.
Related Concept Videos
01:25Lipid Catabolism
Triglycerides serve as crucial long-term energy storage molecules in microorganisms, providing a dense source of metabolic energy. Their breakdown is mediated by lipases, which hydrolyze triglycerides into glycerol and free fatty acids. Each of these components follows distinct metabolic pathways, ultimately contributing to ATP synthesis and cellular energy homeostasis.Glycerol MetabolismGlycerol, released from triglyceride hydrolysis, is phosphorylated by glycerol kinase to form...
01:24Overview of Lipid Metabolism
1.0K
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...
1.0K
01:24Lipid Absorption
366
Dietary triglycerides from chyme in the duodenum are mixed with bile salts produced by the liver to emulsify fats. As a result, large droplets are broken down into smaller ones, increasing the surface area for enzymatic action. Once emulsified, pancreatic lipases hydrolyze the triglycerides into free fatty acids and monoglycerides.
These breakdown products bind with bile salts and lecithin to form micelles, which quickly pass between microvilli to come in close contact with the apical...
These breakdown products bind with bile salts and lecithin to form micelles, which quickly pass between microvilli to come in close contact with the apical...
366
01:06Lipid Digestion
90.6K
Lipids are large molecules that are generally not water-soluble. Since most of the digestive enzymes in the human body are water-based, there are specific steps the body must take to break down lipids and make them available for use.
90.6K
01:20Lipid-Lowering Drugs: Statins and Miscellaneous Agents
529
Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
529
01:19Formation of Lipopolysaccharides
Lipopolysaccharides (LPS) are crucial components of the outer membrane of Gram-negative bacteria, serving both structural and functional roles. It contributes to membrane stability and protects bacteria from host immune responses. LPS is composed of three major regions—lipid A, a core oligosaccharide, and an O antigen. The biosynthesis and assembly of LPS involve a highly coordinated set of enzymatic reactions and transport mechanisms. Additionally, LPS is recognized as an endotoxin,...