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2011•Brazilian Journal of MicrobiologyOpen access

Peptidoglycan from Staphylococcus aureus induces the overexpression of TRLs 1-8 mRNA in corneal fibroblasts, but its lipoteichoic acid and muramyl dipeptide only induced the overexpression of TLR5 or TRL9

Sandra Rodríguez–Martínez, Norma Angélica Sánchez-Zauco, Ivonne González-Ramírez, Juan C. Cancino‐Díaz, Mario Eugenio Cancino-Diaz

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Abstract

Lipopolysaccharide induces TLR-1-8 mRNAs over-expression in corneal fibroblast. Analyzing if other TLR-ligands can do the same, we found that peptidoglycan does, but not muramyldipeptide, lipoteichoic acid and polyI:C. This suggests that the recognition of lipopolysaccharide and peptidoglycan is enough to alert these cells against microorganisms through the over-expression of the majority TLRs.

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Lipopolysaccharide induces TLR-1-8 mRNAs over-expression in corneal fibroblast. Analyzing if other TLR-ligands can do the same, we found that peptidoglycan does, but not muramyldipeptide, lipoteichoic acid and polyI:C. This suggests that the recognition of lipopolysaccharide and peptidoglycan is enough to alert these cells against microorganisms through the over-expression of the majority TLRs.

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Available abstract

Lipopolysaccharide induces TLR-1-8 mRNAs over-expression in corneal fibroblast. Analyzing if other TLR-ligands can do the same, we found that peptidoglycan does, but not muramyldipeptide, lipoteichoic acid and polyI:C. This suggests that the recognition of lipopolysaccharide and peptidoglycan is enough to alert these cells against microorganisms through the over-expression of the majority TLRs.

Key concepts: Lipoteichoic acid, Peptidoglycan, Muramyl dipeptide, TLR5, Lipopolysaccharide, Microbiology, Staphylococcus aureus, Teichoic acid

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Peptidoglycan from Staphylococcus aureus induces the overexpression of TRLs 1-8 mRNA in corneal fibroblasts, but its lipoteichoic acid and muramyl dipeptide only induced the overexpression of TLR5 or TRL9 — Research Paper | ScholarLens