Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Τρίτη 9 Οκτωβρίου 2018

D-Glycero-{beta}-D-Manno-Heptose 1-Phosphate and D-Glycero-{beta}-D-Manno-Heptose 1,7-Biphosphate Are Both Innate Immune Agonists [INNATE IMMUNITY AND INFLAMMATION]

d-Glycero-β-d-manno-heptose 1,7-biphosphate (β-HBP) is a novel microbial-associated molecular pattern that triggers inflammation and thus has the potential to act as an immune modulator in many therapeutic contexts. To better understand the structure–activity relationship of this molecule, we chemically synthesized analogs of β-HBP and tested their ability to induce canonical TIFA-dependent inflammation in human embryonic kidney cells (HEK 293T) and colonic epithelial cells (HCT 116). Of the analogs tested, only d-glycero-β-d-manno-heptose 1-phosphate (β-HMP) induced TIFA-dependent NF-B activation and cytokine production in a manner similar to β-HBP. This finding expands the spectrum of metabolites from the Gram-negative ADP–heptose biosynthesis pathway that can function as innate immune agonists and provides a more readily available agonist of the TIFA-dependent inflammatory pathway that can be easily produced by synthetic methods.



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