Discovery of Novel, Induced-Pocket Binding Oxazolidinones as Potent, Selective, and Orally Bioavailable Tankyrase Inhibitors
摘要:
Tankyrase (TNKS) is a poly-ADP-ribosylating protein (PARP) whose activity suppresses cellular axin protein levels and elevates beta-catenin concentrations, resulting in increased oncogene expression. The inhibition of tankyrase (TNKS1 and 2) may reduce the levels of beta-catenin-mediated transcription and inhibit tumorigenesis. Compound 1 is a previously described moderately potent tankyrase inhibitor that suffers from poor pharmacokinetic properties. Herein, we describe the utilization of structure-based design and molecular modeling toward novel, potent, and selective tankyrase inhibitors with improved pharmacokinetic properties (39, 40).
[EN] NOVEL PREPARATION METHOD OF QUINOLINE N-OXIDE DERIVATIVE WITH AMIDE GROUP<br/>[FR] NOUVEAU PROCÉDÉ DE PRÉPARATION D'UN DÉRIVÉ DE N-OXYDE DE QUINOLÉINE AYANT UN GROUPE AMIDE
申请人:INST BASIC SCIENCE
公开号:WO2015160125A1
公开(公告)日:2015-10-22
Provided are a preparation method of a quinoline N-oxide derivative with an amide group capable of easily introducing the amide group into the quinoline N-oxide derivative by simplified processes and mild reaction conditions, and a quinoline N-oxide derivative with an amide group prepared by using the same.
The present invention provides a method for producing neural cells or a neural tissue, including the following steps (1) - (3):
(1) a first step of culturing pluripotent stem cells in the absence of feeder cells and in a medium containing 1) a TGFβ family signal transduction pathway inhibiting substance and/or a Sonic hedgehog signal transduction pathway activating substance, and 2) a factor for maintaining undifferentiated state,
(2) a second step of culturing the cells obtained in the first step in suspension to form a cell aggregate, and
(3) a third step of culturing the aggregate obtained in the second step in suspension in the presence or absence of a differentiation-inducing factor to obtain an aggregate containing neural cells or a neural tissue.
METHOD FOR PRODUCING RETINAL PIGMENT EPITHELIAL CELLS
申请人:Sumitomo Dainippon Pharma Co., Ltd.
公开号:EP3354721A1
公开(公告)日:2018-08-01
The present invention provides a method for more efficiently producing retinal pigment epithelial cells from pluripotent stem cells. The method of the present invention for producing retinal pigment epithelial cells includes the following steps:
(1) a first step for culturing a pluripotent stem cell in a medium comprising an FGF receptor inhibitor and/or an MEK inhibitor for a period of not more than 30 days, and
(2) a second step for culturing the cell obtained in the first step in the presence of a Nodal signal transduction pathway inhibitor and/or a Wnt signal transduction pathway inhibitor to form a retinal pigment epithelial cell.
METHOD FOR MATURATION OF RETINAL TISSUE CONTAINING CONTINUOUS EPITHELIUM
申请人:RIKEN
公开号:EP3656852A1
公开(公告)日:2020-05-27
The present invention provides a method for maintaining a continuous epithelial structure of a retinal tissue including culturing the retinal tissue in a medium comprising a methyl group donor or a substrate of the methyl group donor at a concentration at which cell differentiation of a neural retinal progenitor cell is suppressed, and a neurite extension inhibitor at a concentration at which neurite extension is suppressed.
METHOD FOR AMPLIFYING CONE PHOTORECEPTORS OR ROD PHOTORECEPTORS USING DORSALIZATION SIGNAL TRANSMITTER OR VENTRALIZATION SIGNAL TRANSMITTER
申请人:RIKEN
公开号:EP3683304A1
公开(公告)日:2020-07-22
The present invention aims to provide a retinal tissue rich in cone photoreceptor precursors and/or cone photoreceptors, a retinal tissue rich in rod photoreceptor precursors and/or rod photoreceptors, and a production method thereof and the like. i) A method for increasing a proportion of a cone photoreceptor precursor and a cone photoreceptor in a photoreceptor precursor and a photoreceptor contained in a retinal tissue, including a step of culturing a retinal tissue, in an initial developmental stage to a stage where an emergence rate of a cone photoreceptor precursor reaches maximum, in a medium containing a dorsalization signal transmitter at a concentration sufficient to suppress expression of a ventral marker, or ii) a method for increasing a proportion of a rod photoreceptor precursor and a rod photoreceptor in a photoreceptor precursor and a photoreceptor contained in a retinal tissue, including a step of culturing a retinal tissue, in an initial developmental stage to a stage where an emergence rate of a cone photoreceptor precursor reaches maximum, in a medium containing a ventralization signal transmitter at a concentration sufficient to promote expression of a ventral marker.