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99m Tc(I) carbonyl-radiolabeled lipid based drug carriers for temozolomide delivery and bioevaluation by in vitro and in vivo
(De Gruyter, 2019) Arl K.; Uçar E.; Içhedef Ç.; Yurt Kllçar A.; Medine E.I.; Parlak Y.; Saylt Bilgin B.E.; Aydln B.; Gümüşer F.G.; Teksöz S.
In preclinical research radiolabeled nanoparticles have been attracting interest as a new class of imaging probes. Assuming good stability of solid lipid nanoparticles (SLNs) under physiological conditions, radiolabeled SLNs can be used for imaging and measuring uptake in target tissue. Present study was performed to evaluate biological behavior of temozolomide (TMZ) loaded solid lipid nanoparticles (SLN-TMZ) in vivo and in vitro. Lipid nanoparticles were prepared by emulsification and low-temperature solidification method. ? potential, morphology and particle size of nanoparticles were determined. Biological behavior of 99m Tc(CO) 3 + radiolabeled SLN-TMZ were investigated in vitro on U87/Daoy cell lines and in vivo on female Wistar Albino rats. Obtained results of in vitro incorporation, in vivo biodistribution and gamma imaging studies on radiolabeled SLN-TMZ show that the radiolabeled solid lipid nanoparticles could have potential as a drug delivery system for TMZ. © 2019 Walter de Gruyter GmbH, Berlin/Boston 2019.