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Iodination of CART(61-102) peptide: Preserved binding and anorexigenic activity in mice

V. Pražienková, A. Marek, L. Maletínská

. 2021 ; 64 (2) : 61-64. [pub] 20200810

Jazyk angličtina Země Velká Británie

Typ dokumentu časopisecké články, přehledy

Perzistentní odkaz   https://www.medvik.cz/link/bmc22012532

CART (cocaine- and amphetamine-regulated transcript) peptides are involved in food intake regulation, stress, and other physiological functions. Although CART peptides have been known for over 25 years, their receptor(s) have not yet been characterized. In this short review, we will summarize our previous studies, where we reported specific binding of 125 I-CART(61-102) to PC12 rat pheochromocytoma cells. Competitive binding experiments performed with mono- and di-iodinated peptides and their isoforms with oxidized Met67 resulted in nanomolar binding affinity. Moreover, in our previous study, CART(61-102), as well as di-iodinated CART(61-102), have shown a strong anorexigenic effect in fasted lean mice after intracerebroventricular administration. In conclusion, from our previous studies, iodination of CART(61-102) resulted in mono- and di-iodinated analogs with or without oxidized Met67 . All analogs revealed a high affinity to binding sites at PC12 cells and preserved biological activity.

Citace poskytuje Crossref.org

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