24385-10-2Relevant articles and documents
Investigations into the DNA-binding mode of doxorubicinone
Tartakoff, Samuel Steucek,Finan, Jennifer M.,Curtis, Ellis J.,Anchukaitis, Haley M.,Couture, Danielle J.,Glazier, Samantha
, p. 1992 - 1998 (2019)
Cancer treatment is one of the major challenges facing the modern biomedical profession. Development of new small-molecule chemotherapeutics requires an understanding of the mechanism of action for these treatments, as well as the structure-activity relat
Nuclear Targeting with an Auger Electron Emitter Potentiates the Action of a Widely Used Antineoplastic Drug
Imstepf, Sebastian,Pierroz, Vanessa,Raposinho, Paula,Bauwens, Matthias,Felber, Michael,Fox, Thomas,Shapiro, Adam B.,Freudenberg, Robert,Fernandes, Célia,Gama, Sofia,Gasser, Gilles,Motthagy, Felix,Santos, Isabel R.,Alberto, Roger
, p. 2397 - 2407 (2015)
We present the combination of the clinically well-proven chemotherapeutic agent, Doxorubicin, and 99mTc, an Auger and internal conversion electron emitter, into a dual-action agent for therapy. Chemical conjugation of Doxorubicin to 99mTc afforded a construct which autonomously ferries a radioactive payload into the cell nucleus. At this site, damage is exerted by dose deposition from Auger radiation. The 99mTc-conjugate exhibited a dose-dependent inhibition of survival in a selected panel of cancer cells and an in vivo study in healthy mice evidenced a biodistribution which is comparable to that of the parent drug. The homologous Rhenium conjugate was found to effectively bind to DNA, inhibited human Topoisomerase II, and exhibited cytotoxicity in vitro. The collective in vitro and in vivo data demonstrate that the presented metallo-conjugates closely mimic native Doxorubicin.
Doxorubicin and Aclarubicin: Shuffling Anthracycline Glycans for Improved Anticancer Agents
Wander, Dennis P. A.,Van Der Zanden, Sabina Y.,Van Der Marel, Gijsbert A.,Overkleeft, Herman S.,Neefjes, Jacques,Codée, Jeroen D. C.
, p. 12814 - 12829 (2020/11/17)
Anthracycline anticancer drugs doxorubicin and aclarubicin have been used in the clinic for several decades to treat various cancers. Although closely related structures, their molecular mode of action diverges, which is reflected in their biological activity profile. For a better understanding of the structure-function relationship of these drugs, we synthesized ten doxorubicin/aclarubicin hybrids varying in three distinct features: Aglycon, glycan, and amine substitution pattern. We continued to evaluate their capacity to induce DNA breaks, histone eviction, and relocated topoisomerase IIα in living cells. Furthermore, we assessed their cytotoxicity in various human tumor cell lines. Our findings underscore that histone eviction alone, rather than DNA breaks, contributes strongly to the overall cytotoxicity of anthracyclines, and structures containing N,N-dimethylamine at the reducing sugar prove that are more cytotoxic than their nonmethylated counterparts. This structural information will support further development of novel anthracycline variants with improved anticancer activity.
Stable lyophilized anthracycline glycosides
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Page/Page column 10, (2008/06/13)
The present invention provides lyophilized and stable lyophilized anthracycline glycoside salts, in particular, the hydrochloride salt. Also, the present invention provides methods of stabilizing these anthracycline glycoside salts, and methods for producing stable lyophilized anthracycline glycoside salts, such as for example the antineoplastic compound idarubicin hydrochloride, or the compounds doxorubicin hydrochloride, and epirubicin hydrochloride.
Defective taxane stimulation of epirubicinol formation in the human heart: Insight into the cardiac tolerability of epirubicin-taxane chemotherapies
Salvatorelli, Emanuela,Menna, Pierantonio,Gianni, Luca,Minotti, Giorgio
, p. 790 - 800 (2008/01/27)
The antitumor anthracycline doxorubicin induces a dose-related cardiotoxicity that correlates with the myocardial levels of its secondary alcohol metabolite doxorubicinol. Combining doxorubicin with taxanes such as paclitaxel or docetaxel may aggravate cardiotoxicity, presumably because the taxanes cause an allosteric-like stimulation of cytoplasmic aldehyde reductases that convert doxorubicin to doxorubicinol in the heart. A less severe aggravation of cardiotoxicity was observed on combining taxanes with epirubicin, a closely related analog of doxorubicin; therefore, we characterized whether the cardiac tolerability of epirubicin-taxane therapies could be due to a defective taxane stimulation of the conversion of epirubicin to its secondary alcohol metabolite epirubicinol. Comparisons between doxorubicin and epirubicin in isolated human heart cytosol showed that epirubicin exhibited a lower V max/Km value for reaction with aldehyde reductases and a defective stimulation of epirubicinol formation by paclitaxel or docetaxel. A similar pattern occurred in the soluble fraction of human myocardial strips incubated in plasma with anthracyclines and paclitaxel or docetaxel, formulated in their clinical vehicles Cremophor EL or polysorbate 80. Doxorubicin, but not epirubicin, was also able to generate reactive oxygen species in the membrane fraction of myocardial strips; however, the levels of doxorubicin-derived reactive oxygen species were not further augmented by paclitaxel. These results support the notion that taxanes might aggravate the cardiotoxicity of doxorubicin through a specific stimulation of doxorubicinol formation. The failure of paclitaxel or docetaxel to stimulate epirubicinol formation therefore uncovers an important determinant of the improved cardiac tolerability of epirubicin-taxane combinations. Copyright
Synthesis of 14-fluorodoxorubicin
Berettoni,Cipollone,Olivieri,Palomba,Arcamone,Maggi,Animati
, p. 2867 - 2871 (2007/10/03)
Synthesis of the novel anthracycline 14-fluorodoxorubicin is described. A key step in the synthesis is the hydrolysis of 14-bromo,14-fluoro derivative 14 with AgBF4 and DMSO, to give the geminal fluorohydrin system.
Synthesis of adriamycin and 7,9-epiadriamycin
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, (2008/06/13)
A process for the synthesis of adriamycin and 7,9-epiadriamycin, both active antineoplastic agents, in which 7-deoxydaunomycinone, in either the 9s or racemic (±) form, is employed as the starting material, the process in one embodiment also being productive of the useful intermediate compound 4-methoxy-6,11-dihydroxy-7,8-dihydro-5,9(10H),12-naphthacenetrione. The process involves converting 7-deoxydaunomicinone successively to daunomycinone, adriamycinone, 14-0-p-anisyldiphenylmethyladriamycinone and finally to adriamycin or to both adriamycin and 7,9-epiadriamycin. When producing the latter mixture of diastereomers, the 7-deoxydaunomycinone starting material is first converted to racemate form by a process involving the successive production of 7-deoxydaunorubicinol, 4-methoxy-6,11-dihydroxy-7,8-dihydro-5,9(10H), 12-naphthacenetrione, (±)-4-methoxy-9-cyano-6,9,11-trihydroxy-7,8,9,10-tetrahydro-5,12-naphthacenedione, (±)-4-methoxy-9-cyano-9-(2'-tetrahydropyranyloxy)-6,11-dihydroxy-7,8,9,10-tetrahydro-5,12-naphthacenedione and (±)-7-deoxydaunomycinone.