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Investigation of parenteral nutrition-induced hepatotoxicity using human liver spheroid co-cultures

ABSTRACT: Investigation of parenteral nutrition-induced hepatotoxicity using human liver spheroid co-cultures

PROVIDER: PRJNA1102022 | ENA |

REPOSITORIES: ENA

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Investigation of parenteral nutrition-induced hepatotoxicity using human liver spheroid co-cultures

Project description:Parenteral nutrition (PN) is typically administered to individuals with gastrointestinal dysfunction, a contraindication for enteral feeding and a need for nutritional therapy. When PN is the only energy source in patients, it is defined as total parenteral nutrition (TPN). TPN is a life-saving approach for different patient populations, both in infants and adults. However, despite numerous benefits, TPN can cause adverse effects, including metabolic disorders and liver injury. TPN-associated liver injury, known as intestinal failure-associated liver disease (IFALD), represents a significant problem affecting up to 90% of individuals receiving TPN. IFALD pathogenesis is complex, depending on the TPN components as well as on the patient’s medical conditions. Despite numerous animal studies and clinical observations, the molecular mechanisms driving IFALD remain largely unknown. The present study was set up to elucidate the mechanisms underlying IFALD. For this purpose, human liver spheroid co-cultures were treated with TPN mixture followed by RNA sequencing analysis. It was found that prolonged exposure to TPN substantially changes the transcriptome profile of liver spheroids and affects multiple metabolic and signaling pathways contributing to liver injury.

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