Why these kids can't make gut slime
Human AGR2 Deficiency Causes Mucus Barrier Dysfunction and Infantile Inflammatory Bowel Disease
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Two brothers had terrible gut problems because their bodies couldn't make a slimy barrier that protects the intestines from bacteria.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
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Evidence Score
Detailed descriptions of individual patients or small groups. Valuable for identifying new conditions or side effects, but cannot establish generalizable conclusions.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Two brothers had terrible gut problems because their bodies couldn't make a slimy barrier that protects the intestines from bacteria.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 530 / 30
Evidence Score
Detailed descriptions of individual patients or small groups. Valuable for identifying new conditions or side effects, but cannot establish generalizable conclusions.
Publication
Authors
Al-Shaibi AA, Abdel-Motal UM, Hubrack SZ, Bullock AN, Al-Marri AA, Agrebi N, Al-Subaiey AA, Ibrahim NA, Charles AK, COLORS in IBD-Qatar Study Group, Elawad M, Uhlig HH, Lo B
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Claims (6)
People with inflammatory bowel disease often have a more permeable intestinal barrier, and this same condition is commonly observed in other chronic diseases.
When the AGR2 gene is not functioning properly, the number of goblet cells—specialized cells that produce protective mucus in the intestines—drops dramatically in the small intestine and is significantly reduced in the colon, compared to healthy tissue.
When the AGR2 protein is missing or reduced in cells lining the intestine and stomach, a cellular stress response in the endoplasmic reticulum increases, marked by higher levels of the BiP protein, and this increase is not fully reversed even when AGR2 levels rise.
When the AGR2 protein is missing, the intestines and stomach fail to produce key mucus proteins, leading to a weakened protective mucus layer that allows bacteria to cross into surrounding tissues and trigger inflammation.
A specific genetic mutation in the AGR2 gene is linked to a severe form of intestinal inflammation in infants, which results in the loss of mucus-producing cells and key mucus proteins, along with increased cellular stress in the gut lining.