Synthetic Naphthoquinone Derivatives as Anticancer Agents in Ovarian Cancer: Cytotoxicity Assay and Investigation of Possible Biological Mechanisms Action
作者:Renata Dalmaschio Daltoé、Leticia Batista Azevedo Rangel、Maicon Delarmelina、Klesia Pirola Madeira、Marcella Leite Porto、Silvana Santos Meirelles、Isabella dos Santos Guimarães、Éclair Venturini Filho、Alan Reinke Pereira、Rafael de Queiroz Ferreira、Gabriel Fernandes Souza dos Santos、Izabela de França Schaffel、José Walkimar de Mesquita Carneiro、Artur M. S. Silva、Sandro José Greco
DOI:10.1002/cbdv.202200807
日期:2023.2
naphthoquinone derivatives were synthesized in yields ranging from 52 to 96% using easy, fast, and low-cost methodologies. All naphthoquinone derivatives were screened for their in vitro anti-proliferative activities against OVCA A2780 cancer cell lines. Amongst all analysed compounds, derivatives 3–5 presented the most prominent cytotoxic potential. Naphthoquinones 3 and 4, bearing sulfur-containing
Mechanism of charge transfer in the molecular DPQ complex studied by time-resolved fluorescence spectroscopy
作者:V. V. Borovkov、R. P. Evstigneeva、I. A. Struganova、V. F. Kamalov、B. N. Toleutaev
DOI:10.1021/j100170a011
日期:1991.8
The pathways of charge separation in the dimethylaniline-mesoporphyrin II-naphthoquinone triad DPQ and its Zn complex were established. The rate constants of electron transfer from P and ZnP to Q were measured to be k = 1.5 x 10(9) s-1 and k > 5 x 10(10) s-1, respectively, from the results of picosecond fluorescence spectroscopy. The transformation of the DPQ and DZnPQ triads to the reduced form by NaBH4 treatment results in blocking of the electron-transfer channel from both P and ZnP to Q. The transformation of the DPQ and DZnPQ triads to the reduced forms by NaBH4 results in blocking of the electron-transfer channel from both P and ZnP to Q. The role of structural and conformational changes of triads in the electron-transfer process is discussed.
Synthesis, Antitumor Activity and Docking of 2,3-(Substituted)-1,4-Naphthoquinone Derivatives Containing Nitrogen, Oxygen and Sulfur
作者:Maicon Delarmelina、Renata D. Daltoé、Murilo F. Cerri、Klesia P. Madeira、Leticia B. A. Rangel、Valdemar Lacerda Júnior、Wanderson Romão、Alex G. Taranto、Sandro J. Greco
DOI:10.5935/0103-5053.20150157
日期:——
Eleven 2,3-(substituted)-1,4-naphthoquinone derivatives were synthesized in yields ranging from 52-89%. These derivatives were evaluated for their cytotoxic effects on human lungs (H460), triple-negative breast (MDA-MB-231) and ovarian (A2780) cancer cell lines. Compounds 5f and 8 showed IC50 values of 3.048 x 10(-5) mol L-1 and 4.24 x 10(-6) mol L-1 for H460; 5c and 8 showed IC50 values of 2.16 x 10(-5) mol L-1 and 1.60 x 10(-5) mol L-1 for MDA-MB-231, and 5g and 8 showed IC50 values of 2.68 x 10(-6) mol L-1 and 3.89 x 10(-6) mol L-1 for A2780. Additionally, we conducted a docking study with the four most active compounds and the therapeutic targets PI3K and topoisomerase II showing the pharmacophoric conformation of these compounds.
TOLSTIKOV, G. A.;SHULTS, EH. EH.;VAFINA, G. F.;SPIRIXIN, L. V.;PANASENKO,+, ZH. ORGAN. XIMII, 25,(1989) N, S. 1231-1246
作者:TOLSTIKOV, G. A.、SHULTS, EH. EH.、VAFINA, G. F.、SPIRIXIN, L. V.、PANASENKO,+
DOI:——
日期:——
CD45 and Methods and Compounds Related Thereto
申请人:Panchal Rekha
公开号:US20120135013A1
公开(公告)日:2012-05-31
Disclosed herein are compounds, compositions and methods for preventing, reducing or inhibiting an amount of protein tyrosine phosphatase receptor type C (CD45) expressed or activity of CD45 in a cell or a subject. Also disclosed are methods for preventing, inhibiting or treating an infection in a cell or a subject immunizing a subject or enhancing a subject's immune response against an infection preventing, reducing or inhibiting the susceptibility of a cell or a subject to an infection or subsequent pathogenesis and morbidity due to the infection and preventing, reducing, and inhibiting apoptosis caused by or resulting from a biological agent in a cell or a subject which comprises preventing, reducing or inhibiting an amount of protein tyrosine phosphatase receptor type C (CD45) expressed or activity of CD45 in the cell or the subject.