摘要:
Neurite outgrowth-promoting prostaglandins (NEPPs) and other electrophilic compounds bind to Keap1, a negative regulator of the transcription factor Nrf2, and prevent Keap1-mediated inactivation of Nrf2 and, thus, enhance Nrf2 translocation into the nucleus of neuronal cells. Therefore, neuroprotective compositions and related methods are provided that employ such neuroprotective compounds, and prodrugs of such compounds, to cause dissociation of Nrf2 from a Keap1/Nrf2 complex.
摘要:
The present invention provides an assay for the identification of agents which can modulate TOR-mediated phosphorylation of substrate proteins. The assays of the invention utilize substrate proteins whose amino acid sequence contains the Ser/Thr motif recognized by TOR. Naturally occurring TOR which may be used in the methods of the invention include TOR isolated from a variety of species, particularly mammalian tissues.
摘要:
Disclosed herein are compositions of nanoparticles. In some embodiments, the nanoparticles are Janus particles, where each particle includes a first component and second component that are exposed to the surface of the particle. Also, disclosed are methods and systems for making a composition of nanoparticles. Finally, a method of treating a mammal by administering a composition of nanoparticles is disclosed.
摘要:
The present invention features methods of treating a cancer in a subject by administering an effective amount of a beta-lactone to the subject. The invention also features methods of inhibiting angiogenesis in a subject by administering an effective amount of an inhibitor of fatty acid synthase to the subject. These methods can be used to treat a variety of cancers and other diseases and conditions. The invention also features methods of identifying beta-lactones and other compounds that can be used in the methods of the invention for the treatment of tumors, inhibition of angiogenesis, and the treatment of diseases and conditions that involve pathological angiogenesis. The invention also features methods of synthesizing beta-lactones and features novel beta-lactone compounds.
摘要:
A method to identify selective inhibitors of antigen receptor-mediated NF-κB activation is provided, as well as compositions having one or more of those inhibitors and methods of using those inhibitors.
摘要:
Compositions and methods are provided for screening for compounds that modulate insulin promoter activity. Vectors that express green fluorescent protein under the control of the human insulin promoter are introduced into mouse and human cells in which the insulin promoter is expressed in a glucose-responsive manner. Such cells are then used to screen for compounds that modulate insulin promoter activity.
摘要:
The present invention describes an improved method for screening compounds for activity in inhibiting the enzymatic activity of Akt1 protein kinase, also known as Protein Kinase B, an enzyme that is believed to play a key role in the inhibition of apoptosis and thus in the etiology of cancer and other conditions, including neurodegenerative diseases. In general, the method comprises: (1) providing a plurality of compounds suspected of having Akt1 kinase inhibitory activity; (2) modeling the docking of each of the plurality of the compounds with a target binding site derived from the crystal structure of a ternary complex involving Akt1, a nonhydrolyzable ATP analogue, and a peptide substrate derived from a physiological AKT substrate such that the protein active site is defined including those residues within a defined distance from the nonhydrolyzable ATP analogue; (3) ranking the docked compounds by goodness of fit; (4) further selecting compounds from compounds high ranked by goodness of fit in docking by using one or more screening criteria; (5) optionally, visually analyzing structures of compounds selected in step (4) to remove any compounds with improbable docking geometry; and (6) experimentally testing the selected compounds from step (4) or step (5), if step (5) is performed, to determine their inhibitory activity against Akt1 in order to select compounds with Akt1 inhibitory activity. The invention also encompasses pharmaceutical compositions including compounds whose inhibitory activity against Akt1 is discovered by the screening method, as well as methods of use of the pharmaceutical compositions to treat cancer and other conditions.
摘要:
The present invention features methods of treating a cancer in a subject by administering an effective amount of a beta-lactone to the subject. The invention also features methods of inhibiting angiogenesis in a subject by administering an effective amount of an inhibitor of fatty acid synthase to the subject. These methods can be used to treat a variety of cancers and other diseases and conditions. The invention also features methods of identifying beta-lactones and other compounds that can be used in the methods of the invention for the treatment of tumors, inhibition of angiogenesis, and the treatment of diseases and conditions that involve pathological angiogenesis. The invention also features methods of synthesizing beta-lactones and features novel beta-lactone compounds.
摘要:
Proteins specific for prostate epithelial cells, normal or neoplastic, are identified and used for diagnosis, development of antibodies, and for evaluating drugs that react with the neoplastic specific proteins. Affinity based probes are used that react specifically with the active site to provide a measure of the enzyme activity of the cells. Prostate epithelial neoplastic cells can be used in screening candidate drugs for their effect in changing the proteome profile as to the serine-threonine hydrolase enzymes, using the affinity based probes for determining the profile.