Transcriptomics

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Synthetic amorphous magnesium-substituted calcium phosphate: silent constructs that trap macromolecules for intracellular delivery


ABSTRACT: Amorphous magnesium-substituted calcium phosphate (AMCP) nanoparticles form constitutively in large numbers in the gastrointestinal tract. Collective evidence indicates that they trap luminal macromolecules, such as bacterial and dietary protein antigen, delivering this cargo to mucosal antigen presenting cells. Here using a precise synthetic mimetic of the AMCP nanomineral, we studied whether trapping of macromolecules by AMCP modulates signalling of the macromolecule itself. Based upon whole genome transcriptomic analyses and using peptidoglycan as a macromolecule, we showed that neither AMCP nanomineral itself regulated any gene, nor did it modify any gene regulation by peptidoglycan. We conclude that synthetic AMCP nanomineral can deliver macromolecular cargo intracellularly without affecting gene transcription.

ORGANISM(S): Homo sapiens

PROVIDER: GSE59498 | GEO | 2022/06/01

REPOSITORIES: GEO

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