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Guillermou's avatar

Akkermansia muciniphila is a non-motile, Gram-negative, non-spore-forming bacterium. Its key characteristics are the ability to produce short-chain fatty acids (SCFAs, an energy source for colonocytes and anti-inflammatory molecules), promote mucin turnover and thickening, thereby reinforcing the intestinal barrier, and interact with host receptors with its exposed active molecules, influencing inflammation and metabolism. A. muciniphila can be used as a biomarker of a healthy host metabolic profile, and its depletion represents a signature of intestinal dysbiosis in various gastrointestinal and extraintestinal diseases, such as inflammatory bowel disease and some types of cancer. Many case-control studies have documented a significant decrease in the relative abundance of A. muciniphila in both ulcerative colitis (UC) and Crohn's disease (CD) compared to healthy controls, with only one study showing an opposite trend in a group of patients with CD. Diosmin, which occurs naturally, primarily in citrus fruits (Rutaceae family), but also in herbs such as Teucrium gnaphalodes, alleviates ulcerative colitis in mice by increasing the abundance of Akkermansia muciniphila, improving intestinal barrier function, and modulating the NF-κB and Nrf2A pathways. Akkermansia muciniphila exerts an anti-inflammatory effect within the intestinal microecology. Gut microbiome-derived short-chain fatty acids: Promising strategies in necrotising enterocolitis.

Among the proposed underlying mechanisms, SCFA production is the most investigated. SCFA production has been shown to protect against colitis by increasing the number of P3 (Foxp3+) regulatory T cells in the colonic forkhead box and by activating the G protein-coupled receptor 43 (GPR43) expressed by immune cells and the colonic epithelium. Administration of A. muciniphila may improve dextran sodium sulfate (DSS)-induced colitis in mice by reducing the levels of macrophages and cytotoxic CD8+ T lymphocytes in the colon [35], while Bian et al. reported a downregulation of proinflammatory cytokines and chemokines. Furthermore, A. muciniphila administration enhances intestinal stem cell proliferation and goblet and Paneth cell differentiation in the small intestine and colon of both healthy mice and mice with intestinal damage.

https://www.science.org/doi/abs/10.1126/science.1241165 (2013).--

https://ter-arkhiv.ru/0040-3660/article/view/33561 (2019).---

https://www.frontiersin.org/articles/10.3389/fcimb.2019.00239/full (2019).---

https://www.tandfonline.com/doi/full/10.1080/19490976.2021.1892441 (2019).--

https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2019.02259/full (2019).--

https://gut.bmj.com/content/69/11/1988.abstract (2020).--

https://pubs.rsc.org/en/content/articlelanding/2022/fo/d1fo04094d/unauth (2022).--

https://www.cell.com/heliyon/fulltext/S2405-8440(24)03558-8 (2024)

https://www.sciencedirect.com/science/article/pii/S2666517424000014 (2024).--

https://www.sciencedirect.com/science/article/pii/S2666517424000014 (2024).--

https://encyclopedia.pub/entry/43044 (2024).--

Guillermou's avatar

Scientific evidence, such as that compiled in this report, indicates that the gut microbiota is fundamental to health. Akkermansia muciniphila is a gram-negative, anaerobic bacterium, a microorganism considered one of the "next-generation probiotics." Akkermansia muciniphila has antidiabetic, anti-inflammatory, and anti-obesity effects, among others. When A. muciniphila colonizes the gut, its metabolites interact with the intestinal barrier, affecting host health by strengthening the intestinal barrier, regulating the metabolic functions of the intestinal and circulatory systems, and regulating immune functions. This action is the most significant, as its relationship to these diseases is inversely proportional to the concentration of this bacterium.

It has even been shown that this bacterium is found in higher concentrations in elderly individuals, while its concentration is reduced in people with inflammation or chronic diseases.

Thus, a lower abundance of Akkermansia has been found in individuals with inflammatory bowel disease, ulcerative colitis, or Crohn's disease, showing a clear relationship with intestinal immunity. In patients with acute appendicitis, its severity was inversely correlated with the amount of Akkermansia present. Similarly, a lower abundance of this bacterium has been observed in individuals with psoriasis.

In addition to its association with beneficial effects on intestinal inflammation, the presence of Akkermansia muciniphila may mediate levels of hyperlipidemia and obesity. It has been observed that in individuals with high weight and body mass index, and elevated fasting cholesterol and glucose levels, the abundance of Akkermansia in the gut is lower than that found in the gut of individuals with normal weight, cholesterol, and glucose levels. This finding is linked to weight loss and its multiple health benefits in obesity and type 2 diabetes.

A meta-analysis reported that inulins, galactooligosaccharides (GOS), and polyphenols stimulate the growth of A. muciniphila in the gut. Furthermore, coexisting microbial communities of A. muciniphila, such as Eubacterium hallii and Bacteroides, exhibited an enhanced correlation with A. muciniphila.

A clinical study observed that colonization of the gut by a probiotic mixture based on Bifidobacterium longum and Lactobacillus rhamnosus increased the presence of Akkermansia muciniphila in the gut microbiota. Furthermore, Akkermansia muciniphila is also found in breast milk, being transferred to the breastfed infant, which explains its presence in the infant's gut during the early stages of life.

The intake of prebiotics (substances resistant to digestion and fermentable by bacteria in the colon) such as inulin stimulates the growth of this bacterium. Similarly, foods rich in polyphenols, such as pomegranate, blueberry, or the procyanidins found in apples or grapes, and the intake of unsaturated fatty acids play an important role in the abundance and maintenance of normal levels of Akkermansia muciniphila in the gut microbiota.

https://www.gutmicrobiotaforhealth.com/es/akkermansia-muciniphila-la-bacteria-que-podria-ayudar-a-combatir-el-sindrome-metabolico/ (2021).—

https://www.39ytu.com/ucam-capsa/akkermansia-muciniphila-la-bacteria-aliada-de-tu-organismo (2021).---

https://www.fundacionrenequinton.org/blog/akkermansia-muciniphila-bacteria-saludable/ (2021).--

https://www.tandfonline.com/doi/abs/10.1080/1040841X.2022.2037506 (2023).--

https://www.nature.com/articles/s41467-024-47275-8 (2024).--

https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1370658/full (2024).--

https://www.frontiersin.org/articles/10.3389/frmbi.2024.1276015/full (2024).--

https://pubs.rsc.org/en/content/articlelanding/2024/fo/d4fo00428k/unauth (2024).--

https://www.preprints.org/manuscript/202403.1697/v1 (2024).--

Guillermou's avatar

Interesting report. Dysbiosis is associated with the development of obesity. Changes in the ratio of Firmicutes to Bacteroidetes, particularly an increase in Firmicutes, can promote greater energy storage, appetite dysregulation, and increased inflammatory processes related to insulin resistance and other metabolic disorders. Fiber, plant proteins, and omega-3 fatty acids favor the growth of beneficial bacteria, while diets low in fiber and high in saturated fats promote dysbiosis. Polyphenols in overweight or obese adults can reduce metabolic endotoxemia, increase antioxidant activity, and promote the production of short-chain fatty acids (SCFAs).

Aerobic exercise increases microbial diversity and favors the growth of beneficial bacterial strains. Butyrate is a short-chain fatty acid produced by the gut microbiota when it ferments fiber. It shows potential for combating obesity by improving energy metabolism, reducing inflammation, increasing insulin sensitivity, controlling appetite, and strengthening the intestinal barrier, with studies suggesting improvements in BMI and fat reduction.

To stimulate the growth of beneficial bacteria involved in the production of short-chain fatty acids like butyrate, we can use various nutrients and compounds found in plant-based foods, such as those found in green tea (matcha tea is the richest in antioxidant polyphenols), black tea, black grapes with skin, kiwis, oranges and other citrus fruits, blueberries, red plums, pomegranates, nuts, and seeds.

Quercetin is a flavonoid that has demonstrated its ability to improve the state of the gut microbiota. It is found in garlic, onions, leeks, apples with the peel, peppers, buckwheat, grapes, and green tea, among other plant-based foods.

Resistant starch is found in potatoes, rice, legumes, oats, dried pasta, parsnips, and sweet potatoes, produced by cooking and then cooling them in the refrigerator for 8 hours.

Prebiotic fibers are very effective at stimulating the growth of beneficial bacteria. They are found in vegetables in general, but especially in onions, leeks, asparagus, and artichokes. They are also found in oats and legumes. Fermented foods directly provide probiotics, that is, live bacteria. It is recommended to consume live foods daily, such as kimchi, sauerkraut, kefir, yogurt, tempeh, etc.

https://www.mdpi.com/1420-3049/26/3/682 (2021).--

https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2022.1067647/full (2022).--

https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2023.1098881/full (2023).--

https://www.mdpi.com/2227-9059/13/2/260 (2024).--

https://www.mdpi.com/2227-9059/13/2/387 (2025).-

https://www.mdpi.com/2077-0383/14/14/4933 (2025).--

https://www.mdpi.com/2072-6643/17/9/1564 (2025).--

https://www.mdpi.com/2072-6643/17/15/2468 (2025).--

Te Time's avatar

I don’t do fiber. Fiber almost destroyed my colon. I’ll stick to my carnivore diet. Zero food noise. Fit into the same size pants everyday. Fiber didn’t do this for me.

Just steve's avatar

In the past different regions kept the general populations in substandard diets. Some heavy on corn with no rice or beans added. This caused symptoms to dampen down mental function yet kept the worker "drones" physically going to serve overlords.

Now we have rows of shelves loaded with many types and kinds of products producing similar results, a zombie population suffering obesity while also suffering malnutrition. Toxins hitting us from all sides but most hitting us right in the gut, damaging it so even if we have been consuming actual proper clean foods, even those foods can cause disruption. The Gut, after air and water one of the first in line to achieve and maintain a healthy life.

No wonder after the nation abandoned its network of small, local farms providing better fare free of oil products, chemicals of many sorts, no livestock grown in unhealthy conditions, "because monopoly's were promoted as more efficient." No lie, just a bait and switch message. The modern method is efficient to produces more units per costs with the fewest humans hands involved in order to provide monopolies, and profits for the fewest individuals. Not food. Not nourishment. Units that resemble food but are toxic empty of nutrients, nourishment calories.

Oil, chemicals and poisons are not food groups.

As will very likely to be found out, Real Foods need to be produced Locally to have short, stable supply lines. Grown locally to reject toxic methods and produce health building real foods. Locally to keep it Real and a determination to prevent the constant High Jacking, Green Washing of Monopolies. Healthy Soil, (Air and Water,) creates Healthy Foods, Healthy Foods creates Healthy People, Healthy People create Healthy Societies. Just Sayn'

Dino Ons's avatar

Really interesting roundup—there’s clearly so much happening in the GLP-1 space right now, from new treatments to evolving perspectives on long-term use.

It feels like we’re moving beyond “does it work?” to “how do we use it properly and sustainably?”

That’s where the real conversation is heading, and why more structured approaches like FormBlends are getting attention alongside all this innovation.