Microbiota<\/strong> <\/a>\u2014 the \u00abfirst line\u00bb of defense that fights pathogens<\/p>\n<\/li>\n Mucous layer<\/strong> \u2014 covers the epithelium, contains mucins and immunoglobulins<\/p>\n<\/li>\n Epithelial cells<\/strong> \u2014 connected to each other by tight junctions<\/p>\n<\/li>\n Immune cells (Peyer's patches, macrophages, IgA)<\/strong> \u2014 react to integrity violations<\/p>\n<\/li>\n<\/ul>\n When all levels work together, the body does not react aggressively to food or bacteria. Problems begin when the barrier loses its selective permeability.<\/p>\n chronic bloating, rumbling, discomfort after eating<\/p>\n<\/li>\n food intolerance<\/a> (especially gluten, milk)<\/p>\n<\/li>\n frequent colds, decreased immunity<\/p>\n<\/li>\n \u00ab"brain fog", fatigue, irritability<\/p>\n<\/li>\n skin manifestations - acne, atopy, eczema<\/p>\n<\/li>\n predisposition to autoimmune diseases (celiac disease, thyroiditis, psoriasis)<\/p>\n<\/li>\n<\/ul>\n This condition is called leaky gut syndrome<\/strong>, or leaky gut syndrome<\/strong>.<\/p>\n chronic stress<\/a><\/p>\n<\/li>\n improper diet (excess sugar, alcohol, food additives)<\/p>\n<\/li>\n fiber deficiency<\/p>\n<\/li>\n frequent use of antibiotics or NSAIDs<\/p>\n<\/li>\n dysbacteriosis<\/p>\n<\/li>\n gluten (in genetically predisposed individuals)<\/p>\n<\/li>\n excess of opportunistic flora (candida, proteus)<\/p>\n<\/li>\n<\/ul>\n The main biomarker of disruption of tight junctions between epithelial cells. Increased levels of zonulin indicate impaired intestinal wall permeability.<\/p>\n Waste products of gram-negative bacteria that should not enter the bloodstream. Their presence means that the barrier has already been broken<\/strong> and microbial particles entered the systemic bloodstream.<\/p>\n Assessment of local mucosal immunity. A decrease in the indicator is a marker of reduced intestinal immune defense.<\/p>\n Mucosal inflammation marker. Used for Differentiation of IBS and inflammatory bowel diseases<\/strong> (Crohn's disease, ulcerative colitis), which also disrupt the barrier.<\/p>\n A comprehensive study of the composition of the intestinal flora allows you to see whether there is an imbalance between beneficial, opportunistic and pathogenic bacteria, fungi and viruses.<\/p>\n It is rarely performed, but is the gold standard: the patient takes a mixture of sugars, and then their ratio in the urine is measured. A violation of the balance indicates increased mucosal permeability.<\/p>\n Diet with the exclusion of irritants<\/strong>: gluten, alcohol, dyes, preservatives<\/p>\n<\/li>\n Fiber, prebiotics, and probiotics<\/strong> \u2014 to support the microbiota<\/p>\n<\/li>\n L-glutamine<\/strong> \u2014 an amino acid that nourishes enterocytes<\/p>\n<\/li>\n Omega-3<\/strong>, vitamin D, zinc \u2014 to reduce inflammation<\/p>\n<\/li>\n Curcumin, quercetin, aloe vera<\/strong> \u2014 natural substances with a mucosal healing effect<\/p>\n<\/li>\n<\/ul>\n The intestinal barrier is not just a function of the intestine, but critical point of balance between the external world and the internal environment of the organism<\/strong>. Timely diagnosis of its disorders allows you to avoid long-term inflammatory and autoimmune processes and restore a sense of health, which begins precisely with the intestines.<\/p>","protected":false},"excerpt":{"rendered":" What is the intestinal barrier? The intestinal barrier is a multi-layered defense system that separates the internal environment of the body from the contents of the intestine. In<\/p>","protected":false},"author":627,"featured_media":9507,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[234],"tags":[],"class_list":["post-9506","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-imunitet-ta-profilaktyka"],"_links":{"self":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/9506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/users\/627"}],"replies":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/comments?post=9506"}],"version-history":[{"count":0,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/9506\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media\/9507"}],"wp:attachment":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media?parent=9506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/categories?post=9506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/tags?post=9506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Symptoms of intestinal barrier disruption<\/h2>\n
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Why is the barrier broken?<\/h2>\n
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![\"Results](\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/6298fcd3f4f19a1967318c92_why-do-blood-test-results-vary-imaware.jpg\")
<\/p>\nHow the state of the intestinal barrier is examined<\/h2>\n
1. Zonulin in blood or stool<\/h3>\n
2. LPS (lipopolysaccharides) in the blood<\/h3>\n
3. sIgA (secretory IgA) in feces<\/h3>\n
4. Fecal calprotectin<\/a><\/h3>\n
5. Microbiota analyses<\/h3>\n
6. Lactulose-mannitol test<\/h3>\n
What helps restore the intestinal barrier<\/h2>\n
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