Method of inhibiting neurotrophin-receptor binding
申请人:Queen's University at Kingston
公开号:US06492380B1
公开(公告)日:2002-12-10
The present invention relates to compositions which inhibit the binding of nerve growth factor to the p75NTR common neurotrophin receptor and methods of use thereof. In one embodiment, the compound which inhibits binding of nerve growth factor to p75NTR comprises, particularly when bound to nerve growth factor, at least two of the following: (1) a first electronegative atom or functional group positioned to interact with Lys34 of nerve growth factor; (2) a second electronegative atom or functional group positioned to interact with Lys95 of nerve growth factor; (3) a third electronegative atom or functional group positioned to interact with Lys88 of nerve growth factor; (4) a fourth electronegative atom or functional group positioned to interact with Lys32 of nerve growth factor; and (5) a hydrophobic moiety which interacts with the hydrophobic region formed by Ile31, Phe101 and Phe86 of nerve growth factor.
potential in overcoming the drugresistance of cisplatin. Furthermore, naphthalimide platinum(IV) complexes could effectively combine with HSA by electrostatic force, which would influence the drug distribution and bioactivities in vivo. Moreover, the accumulation of the tested platinum(IV) compounds in whole cells and DNA is remarkably enhanced in comparison with cisplatin and oxaliplatin.
Fluorene compounds containing various functional groups, polymers thereof and el element using the same
申请人:——
公开号:US20030091859A1
公开(公告)日:2003-05-15
The present invention relates to fluorene compounds and polymers thereof, having various structures and functional groups, and capable of being used as a luminescent material for organic and polymer-based electro-luminescence (EL) element and other optical element, and to an EL element using the same as a luminescent material.
Naphthalimide platinum(IV) antitumor complexes with potential dual DNA damage mechanism were designed, synthesized and evaluated for antitumor activities. The incorporation of DNA targeted naphthalimide group to the platinum(IV) system exerts much positive impacts on their antitumorefficacy. The mechanism research reveals that the title compounds could interact with dsDNA in platinum(IV) form via the
derivative displays comparable tumorgrowthinhibitory competence against CT26 xenograft tumors in BALB/c mice in vivo without severe toxic effects in contrast to oxaliplatin. A dual DNA damage mechanism was proven for the title complex. Both naphthalimide ligand and the liberated platinum(II) moiety could generate DNA lesions to tumorcells synergistically and active the apoptotic pathway by up-regulating