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Improved Biocompatibility of Amino-functionalized Graphene Oxide in Caenorhabditis elegans

ABSTRACT: Improved Biocompatibility of Amino-functionalized Graphene Oxide in Caenorhabditis elegans

PROVIDER: PRJNA542590 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9047111_1.fastq.gz	Fastqsanger.gz
	SRR9047111_2.fastq.gz	Fastqsanger.gz
	SRR9047112_1.fastq.gz	Fastqsanger.gz
	SRR9047112_2.fastq.gz	Fastqsanger.gz
	SRR9047113_1.fastq.gz	Fastqsanger.gz

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Improved Biocompatibility of Amino-functionalized Graphene Oxide in Caenorhabditis elegans

Project description:Graphene oxide (GO) holds high promise for diagnostic and therapeutic applications in nanomedicine but reportedly displays immunotoxicity, underlining the need for developing functionalized GO with improved biocompatibility. Here, we study the adverse effects of GO and amino-functionalized GO (GONH2) during Caenorhabditis elegans development and ageing upon acute or chronic exposure. Chronic GO treatment throughout the C. elegans development causes decreased fecundity and a reduction of animal size, while acute treatment does not lead to any measurable physiological decline. However, RNA-Seq data reveal that acute GO exposure induces innate immune gene expression. The p38 MAP kinase, PMK-1, which is a well-established master regulator of innate immunity, protects C. elegans from chronic GO toxicity, as pmk-1 mutants show reduced tissue-functionality and facultative vivipary. In a direct comparison, GONH2 exposure does not cause detrimental effects in the wild type or in pmk-1 mutants, and the innate immune response is considerably less pronounced. Our work establishes the enhanced biocompatibility of amino-functionalized GO in a whole-organism, emphasizing its potential as biomedical nanomaterial.

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