[EN] MONOMERS AND POLYMERS FOR FUNCTIONAL POLYCARBONATES AND POLY (ESTER-CARBONATES) AND PEG-CO-POLYCARBONATE HYDROGELS<br/>[FR] MONOMÈRES ET POLYMÈRES POUR POLYCARBONATES ET POLY(ESTER-CARBONATES) FONCTIONNELS ET HYDROGELS DE PEG-CO-POLYCARBONATE
申请人:UNIV MASSACHUSETTS MEDICAL
公开号:WO2012116250A1
公开(公告)日:2012-08-30
The invention generally relates to functional polymers and hydrogels. More particularly, the invention provides versatile monomers and polymers with well-defined functionalities, e.g., polycarbonates and poly(ester-carbonates), compositions thereof, and methods for making and using the same. The invention also provides cytocompatible poly(ethylene glycol)-co-polycarobonate hydrogels (e.g., crosslinked by copper-free, strain- promoted "click" chemistry).
A semi-synthetic rapamycin analog with a triazole moiety or a pharmaceutically acceptable salt or prodrug thereof, is a broad-spectrum cytostatic agent and a mTOR inhibitor, and is useful in the treatment of various cancers, or tumors in organs such as kidney, liver, breast, head and neck, lung, prostate, and restenosis in coronary arteries, peripheral arteries, and arteries in the brain, immune and autoimmune diseases. Also disclosed are fungal growth-, restenosis-, post-transplant tissue rejection- and immune- and autoimmune disease-inhibiting compositions and a method of inhibiting cancer, fungal growth, restenosois, post-transplant tissue rejection, and immune and autoimmune disease in a mammal. One particular preferred application of such triazole-moiety containing rapamycin analog is in treating renal carcinoma, lung cancer, colon cancer, and breast cancers wherein potency of the drug, its half-life, tissue distribution properties, and its pharmacokinetic properties including bioavailability through oral and intravenous routes are essential to the clinical outcomes.
Reversible core-crosslinked nanocarriers with pH-modulated targeting and redox-controlled drug release for overcoming drug resistance
作者:Dan Zhao、Shujie Ma、Xiaoqing Yi、Sixue Cheng、Renxi Zhuo、Feng Li
DOI:10.1039/c7tb01504f
日期:——
Herein, by means of ligand–receptor mediated endocytosis and TQR-mediated P-gp inhibition, the IC50 value of DOX to MCF-7/ADR cells reduced from more than 100 mg mL−1 to 8.55 mg mL−1, exhibiting great potential in overcoming drug resistance.
Curcumin and its analogs, chalcones, and C5-monocarbonyl are molecules of great therapeutic potential, but their poor stability and hydrophobicity have hampered their extensive use in clinical trials. Therefore, significant efforts have been made in materials science to improve their physicochemical properties. In this study, we propose dendronization as a synthetic strategy to strengthen some physicochemical