Author

Andres F. Ortega

University of MinnesotaORCID 0000-0002-5634-924XUnclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

Click to filter author papers

Signature Assays, Organisms & Methods

Click to filter · or open tag

Organism:mouse· 3 Assay:metabolomics· 2 Approach:statistical model· 2 Research Focus:cell type annotation· 1 Research Focus:differential expression· 1 Approach:experimental assay· 1 Research Focus:metabolism & bioenergetics· 1 Assay:proteomics· 1

Frequent Co-Authors

Cha Mee Vang· 3 shared Curtis C. HugheyiD· 3 shared Ferrol I. Rome· 2 shared Griffin S Hampton· 2 shared Peter A. CrawfordiD· 2 shared Aiden M. PhoebeiD· 1 shared Alisa B. NelsoniD· 1 shared Eric D. QueathemiD· 1 shared

Activity by Year

2026-2026 · peak 3/yr

Co-Author Collaboration Network

10 top collaborators · 34 mutual co-author links

Click any collaborator node to inspect or filter shared papers

Focal author (center)Selected co-authorORCID co-authorUnlinked name

Curved chords = mutual co-authorship

3 shared papersPhysiology

Cha Mee Vang

Mutual co-authors in cluster

Author profile →

3 papers

Recent·Most cited

PhysiologybioRxivPreprintJul 22, 2026

Sulfur amino acid restriction prevents S-adenosylmethionine-driven liver steatosis, hepatocellular carcinoma, and metabolic remodeling in high-fat-fed GNMT-null mice

Griffin S Hampton, Andres F. Ortega, Cha Mee Vang…·Curtis C. Hughey

This study shows that sulfur amino acid restriction prevents liver steatosis and hepatocellular carcinoma in GNMT-null mice fed a high-fat diet by reducing SAM levels and metabolic dysregulation.

DOI 10.64898/2026.07.17.738958

mousemetabolomics

𝕏 PostBluesky

PhysiologyMolecular MetabolismPeer-reviewedFeb 4, 2026

Dietary sulfur amino acid restriction improves glucose homeostasis through hepatic de novo serine synthesis

Andres F. Ortega, Cha Mee Vang, Ferrol I. Rome…·Curtis C. Hughey

This study shows that dietary sulfur amino acid restriction improves glucose homeostasis by enhancing hepatic de novo serine synthesis through PSAT1, but not lipid metabolism.

1 citation

mouseproteomics

𝕏 PostBluesky

PhysiologybioRxivPreprintJan 26, 2026

Hepatic ketogenesis supports liver lipid homeostasis during acute exercise but is not required for exercise training to mitigate liver steatosis in mice

Cha Mee Vang, Andres F. Ortega, Ruth E Pfeiffer…·Curtis C. Hughey

DOI 10.64898/2026.01.24.701392

mousemetabolomics

𝕏 PostBluesky