New complexes of Pt(II) which represent potential third-generation anti- tumor drugs will be prepared and compared to the widely used drug cisplatin, cis-Pt(NH3)2Cl2 and its second-generation analogs. The principal objectives are to find new complexes which do not show cross- resistance in tumors which are resistant to cisplatin. Carrier ligands to be used in preparing the complexes will include heterocyclic amines such as thiazole and imidazole derivatives which have their own biological activities. Tethered ligands in which quinolinium ions with anti-tumor activity are linked to the carrier ligands through flexible chains will also be studied. Possible intercalators may also be used in preparation of complexes with tethered ligands. Variations in leaving groups will be used to improve the aqueous solubilities of the complexes. Related complexes with other metals such as Rh, Ir, Au, and Ru will be prepared and all will be screened for cytotoxicity. Complexes will be characterized by spectroscopic and X-ray diffraction methods. The interactions of the complexes will be studied with nucleobases, sulfur-containing reagents, DNA, and cell membranes.
| Ramírez-Camejo, Luis A; Maldonado-Morales, Génesis; Bayman, Paul (2017) Differential Microbial Diversity in Drosophila melanogaster: Are Fruit Flies Potential Vectors of Opportunistic Pathogens? Int J Microbiol 2017:8526385 |
| Morales-Rivera, Keyla F; Piñero Cruz, Dalice M; Prieto, Jose A (2017) Crystal structure of (-)-(S)-4-[(2S,3S,4S,Z)-3-hydroxy-4-methyl-hept-5-en-2-yl]-1,3-dioxolan-2-one. Acta Crystallogr E Crystallogr Commun 73:1070-1072 |
| García-Arriaga, Marilyn; Acosta-Santiago, Maxier; Cruz, Antony et al. (2017) Probing the Limits of Supramolecular G-Quadruplexes Using Atomistic Molecular Dynamics Simulations. Inorganica Chim Acta 468:209-222 |
| Huang, Qing; Quiñones, Edwin (2016) A spectroscopic method to determine the activity of the restriction endonuclease EcoRV that involves a single reaction. Anal Biochem 497:103-5 |
| Mège, Pascal; Schizas, Nikolaos V; Reyes, Joselyd García et al. (2015) Genetic seascape of the threatened Caribbean elkhorn coral, Acropora palmata, on the Puerto Rico Shelf. Mar Ecol (Berl) 36:195-209 |
| Morales-Rivera, Amarilys; Hernández-Burgos, Mayté M; Martínez-Rivera, Arlene et al. (2014) Anxiolytic effects of oxytocin in cue-induced cocaine seeking behavior in rats. Psychopharmacology (Berl) 231:4145-55 |
| Ramírez-Camejo, Luis A; Torres-Ocampo, Ana P; Agosto-Rivera, José L et al. (2014) An opportunistic human pathogen on the fly: strains of Aspergillus flavus vary in virulence in Drosophila melanogaster. Med Mycol 52:211-9 |
| Pantoja-Feliciano, Ida Gisela; Clemente, Jose C; Costello, Elizabeth K et al. (2013) Biphasic assembly of the murine intestinal microbiota during early development. ISME J 7:1112-5 |
| Martínez-Rivera, Arlene; Rodríguez-Borrero, Enrique; Matías-Alemán, María et al. (2013) Metabotropic glutamate receptor 5 within nucleus accumbens shell modulates environment-elicited cocaine conditioning expression. Pharmacol Biochem Behav 110:154-60 |
| Galindo-Cardona, Alberto; Acevedo-Gonzalez, Jenny P; Rivera-Marchand, Bert et al. (2013) Genetic structure of the gentle Africanized honey bee population (gAHB) in Puerto Rico. BMC Genet 14:65 |
Showing the most recent 10 out of 194 publications
