Probiotics Gut Health
Probiotics Gut Health - Related Videos
08:38
Novel Production Protocol for Small-scale Manufacture of Probiotic Fermented Foods
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Cited by 14 •
2016
A production protocol is described for the small-scale production of probiotic fermented dairy drink with the aid of a novel bacterial starter culture.
01:05
Physiology of Enteric Nervous System and Gut Health
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2024
The gastrointestinal tract, responsible for the digestion and absorption of nutrients, is safeguarded by the intestinal barrier, which consists of secretory, physical, and immune components. At the forefront is the secretory barrier, composed of essential elements such as mucus, gut microbiota, and defense proteins. They collaborate to break down food particles, facilitate nutrient absorption, and maintain optimal gut health. These secretory components ensure the smooth functioning of the...
08:34
Investigating the Alleviating Effects of Bacillus cereus Administration on Colitis through Gut Microbiota Modulation
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Cited by 2 •
2022
Here, we present a protocol to establish the antibiotic-induced pseudo-germ-free dextran sulfate sodium-induced colitis mouse model to investigate the role of gut microbiota in regulating the positive effects of Bacillus cereus on colitis.
01:22
Probiotics
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2026
Probiotics are live, non-pathogenic microorganisms that confer health benefits by modulating the gut microbiota. The human gastrointestinal tract harbors a complex microbial ecosystem, and the balance of this microbiota is crucial for digestive and systemic health. Among the most extensively studied and utilized probiotics are species formerly classified within the genera Lactobacillus and Bifidobacterium. These organisms not only naturally colonize the human gut but are also consumed through...
10:51
Co-culture of Living Microbiome with Microengineered Human Intestinal Villi in a Gut-on-a-Chip Microfluidic Device
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Cited by 68 •
2016
We describe an in vitro protocol to co-culture gut microbiome and intestinal villi for an extended period using a human gut-on-a-chip microphysiological system.
FAQs
Strain-specific biology can determine how a probiotic interacts with resident intestinal microbes, potential pathogens, metabolites, immune functions, and epithelial functions. Consequently, findings from one bacterial strain cannot automatically be applied to another. Research must identify the strain being studied and evaluate its effects in the relevant health context rather than treating all probiotics as biologically interchangeable.
Selected bacterial strains may compete with potential pathogens for conditions or resources in the intestinal environment and may also produce metabolites that alter microbial interactions. These effects can influence the surrounding microbial community without implying that every strain acts in the same way. Studying these relationships helps biology researchers connect microbial activity with possible changes in gut function.
The intestinal epithelium and immune system provide important host responses through which probiotics may affect gut health. Research examines whether particular strains influence epithelial functions, intestinal barrier integrity, or immune functions alongside their interactions with microbes. This host-focused perspective expands evaluation beyond microbial community changes and helps explain how probiotics may relate to intestinal health.
Observed benefits and limitations can depend on both the amount consumed and the health context of the people or systems studied. A result at one dose or in one condition may not predict outcomes elsewhere. For that reason, probiotic evidence requires careful attention to dose, strain, and context when assessing effects on digestion, barrier integrity, or host-microbe interactions.
Controlled studies help researchers compare probiotic effects under defined conditions and determine whether observed changes relate to the selected strain, dose, or health context. Outcomes may include effects on digestion, intestinal barrier integrity, microbial interactions, or host functions. This approach supports a more reliable assessment of potential benefits and limitations than interpreting probiotic use without experimental comparison.
Probiotic research spans nutrition, disease prevention, and therapeutic development while also addressing basic biology of host-microbe interactions. Investigators can use these systems to study how selected bacteria interact with resident microbes, potential pathogens, metabolites, epithelial functions, and immune functions. The resulting evidence may help clarify where probiotics have relevance and where their effects remain limited or context dependent.