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Therefore, the intestine serves as a barrier tissue whereby a monolayer of intestinal epithelial cells establishes a multilayered physicochemical barrier ( The mucosal barrier also includes mucin, antimicrobial peptides, and dimeric (or more polymeric) IgA secreted by goblet cells, Paneth cells, and plasma cells, respectively ( Altered microbial composition, termed dysbiosis, has been implicated in mucosal barrier dysfunction and inflammatory responses, which predispose the host animals to systemic diseases (e.g., inflammatory bowel disease, celiac disease, food allergy, obesity, and autoimmune diseases) ( Table 1 )
1 DN is believed to be associated with neuronal, neuroglial cell and vascular endothelial cell injury caused by uncontrolled hyperglycemia, dyslipidemia and IR through multiple pathways, such as ERS, inflammation, oxidative stress and mitochondrial disorders
B12 shots are also not recommended if you have a history of issues like leukemia, myeloma, or certain types of anemia not caused by B12 deficiency
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