Abstract: The disclosure provides compounds that inhibit protein tyrosine phosphatase, such as protein tyrosine phosphatase 4 A3 (PTP4A3). The disclosure also provides pharmaceutical compositions, uses, and methods of using the compounds, such as in the treatment of cancers.

Abstract: The disclosure provides compounds that inhibit protein tyrosine phosphatase, such as protein tyrosine phosphatase 4A3 (PTP4A3). The disclosure also provides pharmaceutical compositions, uses, and methods of using the compounds, such as in the treatment of cancers. (I), wherein X is O or NH.

Abstract: The invention provides protein tyrosine phosphatase inhibitor compounds, Their pharmaceutical compositions, uses, and methods of use, such as in the treatment of various cancers, and process for making the compounds. Also disclosed is an improved synthesis of protein tyrosine phosphatase inhibitor and precursor compound thienopyridone (5).

Abstract: A method for treating prostate cancer in a subject, comprising administering a therapeutically effective amount of at least one agent to the subject, wherein the agent is selected from: (a) a phenyl-substituted imidazole, or a pharmaceutically acceptable salt or ester thereof; or (b) a compound, or a pharmaceutically acceptable salt or ester thereof, having a formula I of: ?wherein R20 is an aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, alkoxy, aryloxy, a silyl-containing group, a boryl-containing group, a phosphine-containing group, amino, a thio-containing group, a seleno-containing group, halide, or a nitro-containing group; R21 is an alkanediyl or a substituted alkanediyl; a is 0 or 1; c is 0 or 1; X is C or S; R22 is a moiety that includes at least one divalent amino radical; and R23 is an aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, alkoxy, aryloxy, a silyl-containing

Abstract: The invention provides protein tyrosine phosphatase inhibitor compounds, Their pharmaceutical compositions, uses, and methods of use, such as in the treatment of various cancers, and process for making the compounds. Also disclosed is an improved synthesis of protein tyrosine phosphatase inhibitor and precursor compound thienopyridone (5).

Abstract: A method for treating prostate cancer in a subject, comprising administering a therapeutically effective amount of at least one agent to the subject, wherein the agent is selected from: (a) a phenyl-substituted imidazole, or a pharmaceutically acceptable salt or ester thereof; or (b) a compound, or a pharmaceutically acceptable salt or ester thereof, having a formula I of: wherein R20 is an aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, alkoxy, aryloxy, a silyl-containing group, a boryl-containing group, a phosphine-containing group, amino, a thio-containing group, a seleno-containing group, halide, or a nitro-containing group; R21 is an alkanediyl or a substituted alkanediyl; a is 0 or 1; c is 0 or 1; X is C or S; R22 is a moiety that includes at least one divalent amino radical; and R23 is an aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, alkoxy, aryloxy, a silyl-containing

Abstract: A method for treating prostate cancer in a subject, comprising administering a therapeutically effective amount of at least one agent to the subject, wherein the agent is selected from: (a) a phenyl-substituted imidazole, or a pharmaceutically acceptable salt or ester thereof; or (b) a compound, or a pharmaceutically acceptable salt or ester thereof, having a formula I of: wherein R20 is an aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, alkoxy, aryloxy, a silyl-containing group, a boryl-containing group, a phosphine-containing group, amino, a thio-containing group, a seleno-containing group, halide, or a nitro-containing group; R21 is an alkanediyl or a substituted alkanediyl; a is 0 or 1; c is 0 or 1; X is C or S; R22 is a moiety that includes at least one divalent amino radical; and R23 is an aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, alkoxy, aryloxy, a silyl-containing

Abstract: A method for treating prostate cancer in a subject, comprising administering a therapeutically effective amount of at least one agent to the subject, wherein the agent is selected from: (a) a phenyl-substituted imidazole, or a pharmaceutically acceptable salt or ester thereof; or (b) a compound, or a pharmaceutically acceptable salt or ester thereof, having a formula I of: wherein R20 is an aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, alkoxy, aryloxy, a silyl-containing group, a boryl-containing group, a phosphine-containing group, amino, a thio-containing group, a seleno-containing group, halide, or a nitro-containing group; R21 is an alkanediyl or a substituted alkanediyl; a is 0 or 1; c is 0 or 1; X is C or S; R22 is a moiety that includes at least one divalent amino radical; and R23 is an aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, alkoxy, aryloxy, a silyl-containing

Abstract: A method for treating prostate cancer in a subject, comprising administering a therapeutically effective amount of at least one agent to the subject, wherein the agent is selected from: (a) a phenyl-substituted imidazole, or a pharmaceutically acceptable salt or ester thereof; or (b) a compound, or a pharmaceutically acceptable salt or ester thereof, having a formula I of: wherein R20 is an aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, alkoxy, aryloxy, a silyl-containing group, a boryl-containing group, a phosphine-containing group, amino, a thio-containing group, a seleno-containing group, halide, or a nitro-containing group; R21 is an alkanediyl or a substituted alkanediyl; a is 0 or 1; c is 0 or 1; X is C or S; R22 is a moiety that includes at least one divalent amino radical; and R23 is an aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, alkoxy, aryloxy, a silyl-containing

Abstract: A method for treating prostate cancer in a subject, comprising administering a therapeutically effective amount of at least one agent to the subject, wherein the agent is selected from: (a) a phenyl-substituted imidazole, or a pharmaceutically acceptable salt or ester thereof; or (b) a compound, or a pharmaceutically acceptable salt or ester thereof, having a formula I of: wherein R20 is an aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, alkoxy, aryloxy, a silyl-containing group, a boryl-containing group, a phosphine-containing group, amino, a thio-containing group, a seleno-containing group, halide, or a nitro-containing group; R21 is an alkanediyl or a substituted alkanediyl; a is 0 or 1; c is 0 or 1; X is C or S; R22 is a moiety that includes at least one divalent amino radical; and R23 is an aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycloalkyl, substituted heterocycloalkyl, alkoxy, aryloxy, a silyl-containing

Abstract: A method of inhibiting a carcinoma in a subject, comprising administering to the subject at least one therapeutic agent that selectively targets carcinoma stem cells. Illustrative carcinoma stem cell-selective therapeutic agents include CGP74514A, rottlerin, and A-77636.

Abstract: The c-Myc oncoprotein, a helix-loop-helix-leucine zipper (HLH-ZIP) transcription factor, is frequently deregulated in human cancers. All known functions of c-Myc, including those pertaining to transformation, require that it heterodimerize with another HLH-ZIP protein, Max. Using a high throughput yeast-based assay, we identified seven low molecular weight substances that inhibit c-Myc-Max association. Each compound also prevented this interaction in vitro and inhibited the growth of c-Myc-expressing fibroblasts, although not of fibroblasts lacking c-Myc. Finally, short-term exposure of c-Myc over expressing fibroblasts to several of the compounds markedly reduced their in vivo tumorigenicity. These studies suggest that yeast-based assays can be used to identify inhibitors of protein-protein interactions and that these frequently function in mammalian cells. The signature specificities of each of the c-Myc-Max compounds identified here further suggest synergistic in vivo function.

Abstract: The c-Myc oncoprotein, a helix-loop-helix-leucine zipper (HLH-ZIP) transcription factor, is frequently deregulated in human cancers. All known functions of c-Myc, including those pertaining to transformation, require that it heterodimerize with another HLH-ZIP protein, Max. Using a high throughput yeast-based assay, we identified seven low molecular weight substances that inhibit c-Myc-Max association. Each compound also prevented this interaction in vitro and inhibited the growth of c-Myc-expressing fibroblasts, although not of fibroblasts lacking c-Myc. Finally, short-term exposure of c-Myc over expressing fibroblasts to several of the compounds markedly reduced their in vivo tumorigenicity. These studies suggest that yeast-based assays can be used to identify inhibitors of protein-protein interactions and that these frequently function in mammalian cells. The signature specificities of each of the c-Myc-Max compounds identified here further suggest synergistic in vivo function.

Abstract: Oxidative cyclization of bis-naphthyl ethers allows concise total syntheses of palmarumycin CP1 and deoxypreussomerin A in 8-9 steps and 15-35% overall yield from 5-hydroxy-8-methoxy-1-tetralone. A small library of palmarumycin analogs was created. Biological evaluation of these naphthoquinone spiroketals against MCF-7 and MDA-MB-231 human breast cancer cells revealed several low-micromolar growth inhibitors. A number of the analogs inhibit the thioredoxin—thioredoxin reductase system.

Abstract: Oxidative cyclization of bis-naphthyl ethers allows concise total syntheses of palmarumycin CP, and deoxypreussomerin A in 8-9 steps and 15-35% overall yield from 5-hydroxy-8-methoxy-1 -tetralone. A small library of palmarumycin analogs was created. Biological evaluation of these naphthoquinone spiroketals against MCF-7 and MDA-MB-23 1 human breast cancer cells revealed several low-micromolar growth inhibitors. A number of the analogs inhibit the thioredoxin -thioredoxin reductase system.

Abstract: The present invention is directed to compounds having the formula: ##STR1## The invention further provides a method of making the compounds. The compounds are useful as inhibitors of protein phosphatases, for example PP1, PP2A, PP3, CDC25A and CDC25B. The invention is further directed to a method of inhibiting a protein phosphatase, a method of inhibiting cell proliferation, and pharmaceutical compositions comprising the subject compounds.

Abstract: Peptidyl prodrugs of therapeutic agents having an activating function are sclosed. These therapeutic agents having activating functions include those having an amino, thiol, or hydroxyl function. Methods of making and using these prodrugs are also disclosed.

Abstract: The present invention is directed to compounds having the formula: ##STR1## The invention further provides a method of making the compounds. The compounds are useful as inhibitors of protein phosphatases, for example PP1, PP2A, PP3, CDC25A and CDC25B. The invention is further directed to a method of inhibiting a protein phosphatase, a method of inhibiting cell proliferation, and pharmaceutical compositions comprising the subject compounds.

Abstract: The present invention is directed to compounds having the formula: ##STR1## The invention further provides a method of making the compounds. The compounds are useful as inhibitors of protein phosphatases, for example PP1, PP2A, PP3, CDC25A and CDC25B. The invention is further directed to a method of inhibiting a protein phosphatase, a method of inhibiting cell proliferation, and pharmaceutical compositions comprising the subject compounds.

Abstract: The present invention is directed to compounds having the formula: ##STR1## The invention further provides a method of making the compounds. The compounds are useful as inhibitors of protein phosphatases, for example PP1, PP2A, PP3, CDC25A and CDC25B. The invention is further directed to a method of inhibiting a protein phosphatase, a method of inhibiting cell proliferation, and pharmaceutical compositions comprising the subject compounds.