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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
CNDP1 knockout in zebrafish alters the amino acid metabolism, restrains weight gain, but does not protect from diabetic complications.
Cell. Mol. Life Sci. 76, 4551-4568 (2019)
The gene CNDP1 was associated with the development of diabetic nephropathy. Its enzyme carnosinase 1 (CN1) primarily hydrolyzes the histidine-containing dipeptide carnosine but other organ and metabolic functions are mainly unknown. In our study we generated CNDP1 knockout zebrafish, which showed strongly decreased CN1 activity and increased intracellular carnosine levels. Vasculature and kidneys of CNDP1 −/− zebrafish were not affected, except for a transient glomerular alteration. Amino acid profiling showed a decrease of certain amino acids in CNDP1 −/− zebrafish, suggesting a specific function for CN1 in the amino acid metabolisms. Indeed, we identified a CN1 activity for Ala–His and Ser–His. Under diabetic conditions increased carnosine levels in CNDP1 −/− embryos could not protect from respective organ alterations. Although, weight gain through overfeeding was restrained by CNDP1 loss. Together, zebrafish exhibits CN1 functions, while CNDP1 knockout alters the amino acid metabolism, attenuates weight gain but cannot protect organs from diabetic complications.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Amino Acids ; Carnosinase1 ; Carnosine ; Crispr/cas ; Diabetes ; Diabetic Nephropathy ; Metabolism ; Mutagenesis ; Zebrafish
ISSN (print) / ISBN
1420-682X
e-ISSN
1420-9071
Zeitschrift
Cellular and Molecular Life Sciences - CMLS
Quellenangaben
Band: 76,
Heft: 22,
Seiten: 4551-4568
Verlag
Birkhäuser
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Diabetes and Cancer (IDC)