Probiotics Exam 2 Questions with Complete Solutions (Latest 2025) What happens as a consequence of metabolic interactions w/ gut epithelium? - Correct Answers ✅Production of SCFA, CLA, Vit B complex What allows for preservation of epithelial barrier function? - Correct Answers ✅Cell surface factors Secreted proteins Soluble peptides Unmethylated CpG DNA Multiple probiotic factors & multiple signaling pathways Direct contact between Lactobacilli & Epithelial cells is needed because? - Correct Answers ✅1) induction of mucin expression 2) Lipoteichoic acid molecules from Lactobacillus Johnsonii, inhibit the LPS induced IL8 by HT29 Epithelial cells Exported proteins can be on the surface or secreted T/F - Correct Answers ✅TrueE
Exported proteins can be responsible for: - Correct Answers
✅Adhesion to intestinal surfaces Host immunomodulation Molecular cross talking with the host STRAIN DEPENDENT
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