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Prophylactic and therapeutic role of catechin-loaded poly(D,L-lactic-co-glycolic acid) nanocapsules in gastric ulcer by in vitro and in vivo approach - Supplementary file

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posted on 2023-04-12, 10:20 authored by Anirban Roy, Runu Chakraborty

Background: Gastric ulcer develops from imbalance of gastro-aggressive and protective factors. As

existing drugs have adverse effects, use of natural products is in continuous expansion. In this study, we

prepared nanoformulation with catechin and polylactide-co-glycolide to provide a sustained, controlled

and targeted delivery. Materials & methods: Detailed characterization and toxicity study of nanoparticles

were done on cells and Wistar rats. The comparative actions of free compound and nanocapsule were

investigated in vitro and in vivo during treatment of gastric injury. Results: Nanocatechin improved

bioavailability, reduced gastric damage at a significantly lower dose (2.5 mg/kg) by safeguarding

from reactive oxygen species, restored mitochondrial integrity and downregulated MMP-9 and other

inflammatory mediators. Conclusion: Nanocatechin is a better alternative for preventing and healing

gastric ulcers.

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