338 results about "Cyclin" patented technology

The present invention provides substituted 2-aminopyridines useful in treating cell proliferative disorders. The novel compounds of the present invention are potent inhibitors of cyclin-dependent kinases 4 (cdk4)

A method for selecting a compound or a composition of matter for treatment of hyperproliferative disorders of the prostate in a mammal by administering the compound or the composition to a mammal (in vivo) or to a prostate cell culture (in vitro) and assessing the effect of the compound or the composition on the content of the transcription and / or translation product of a gene under the influence of at least one regulatory region of Vitamin D upregulated protein 1 (VDUP-1) gene and optionally assessing the effect of the compound or the composition on the content of apoptosis signalling kinase (ASK-1) and / or thioredoxin, in the prostate cells of said mammal or in the cells of the prostate cell culture. A substance for use in the treatment of hyperproliferative disorders of the prostate selected by the above method, a pharmaceutical composition comprising said substance, a method of treatment by of a hyperproliferative disorder of the prostate. A gene encoding VDUP-1 or a functional equivalent thereof for use as a medicament and a vector capable of expressing VDUP-1. A method of diagnosis of a hyperproliferative disorder of the prostate in a mammal by assessing the content of the transcription and / or translation products of at least one of the genes encoding ezrin, thioredoxin, peroxiredoxin 5, cyclin-dependent kinase 4, growth response protein CL6, defender against cell death 1, CD24, osteoactivin, vitamin D-upregulated protein 1, placental growth factor gene 1+2, Gata-4, duffy blood antigen, interferon-inducible 17-kDa membrane protein, 14-3-3 protein, CD9 antigen (p24), Ste-20 related kinase, ephrin type A receptor 5 precursor, programmed cell death factor 4 and DNA-methyltransferase 3a, in cells obtained from the prostate of said mammal. A kit for use in a method of diagnosis of a hyperproliferative disorder of the prostate in a mammal.

In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.

Efficient sequence specific gene silencing is possible through the use of siRNA technology. By selecting particular siRNAs by rational design, one can maximize the generation of an effective gene silencing reagent, as well as methods for silencing genes. Methods, compositions, and kits generated through rational design of siRNAs are disclosed including those directed to nucleotide sequences for CDKN1B.

The invention relates to the compounds and methods for inhibiting the Cyclin-Dependent Kinase Inhibitor (CDKI) pathway. More particularly, the invention relates to compounds and methods for inhibiting the CDKI pathway for studies of and intervention in senescence-related and other CDKI-related diseases.

In its many embodiments, the present invention provides a novel class of imidazo[1,2-a]pyrazine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.

In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.

The present disclosure identifies a novel subtype of follicular lymphoma (FL) characterized by dysregulation of the cyclin / CDK / RB proliferative pathway. This subtype of FL is associated with increased malignancy and mortality, relative to FL which is not associated with cell cycle dysregulation. Accordingly, this disclosure presents novel methods to subtype FL and stratify patient risk by detection of biomarkers associated with RB inactivation. This disclosure further presents novel therapies for the treatment of FL subtyped by inactivation of RB.

The present invention relates to novel compounds for the inhibition of cyclin-dependent kinases, and more particularly, to chromenone derivatives of formula (Ic) wherein R1, R2, R3, R4, R5, R6, R7 and A have the meanings indicated in the claims. The invention also relates to processes for the preparation of the compounds of formula (Ia), to methods of inhibiting cyclin-dependent kinases and of inhibiting cell proliferation, to the use of the compounds of formula (Ic) in the treatment and prophylaxis of diseases, which can be treated or prevented by the inhibition of cyclin-dependent kinases such as cancer, to the use of the compounds of formula (Ic) in the preparation of medicaments to be applied in such diseases. The invention further relates to compositions containing a compound of formula (Ic) either alone or in combination with another active agent, in admixture or otherwise in association with an inert carrier, in particular pharmaceutical compositions containing a compound of formula (Ic) either alone or in combination with another active agent, together with pharmaceutically acceptable carrier substances and auxiliary substances.

In its many embodiments, the present invention provides a class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases (CDKs), methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions. All illustrative compound is shown below:

The invention searches the novel micromolecule inhibitor pyrazolo (1, 5-a) miazines compounds of cyclin-dependent kinase CDK9 (cyclin-dependent kinase) through the virtual screening of a computer, biometrically measures activity thereof, and validates interaction mechanism. The invention specifically comprises the following steps: the three-dimensional crystal conformation of the cyclin-dependent kinase family member CDK9 is obtained in a way of homology modeling; and micromolecule three-dimensional database is screened with DOCK (molecular docking). The invention uses a MTT tumor cell growth inhibition test to biometrically measures the activity of the selected compounds, researches the selected compounds pyrazolo (1, 5-a) miazines with high activety in a way of molecular mechanism, validates the inhibiting effect of the compounds to the activity of CDK9 kinase, and clarifies the interaction mechanism of the compounds for inhibiting the external activity and the molecule of various malignancies such as lung cancer, osteosarcoma, oophoroma, cervical carcinoma, breast cancer, etc.

The invention provides compounds of the formula (I):The compounds have activity against cyclin dependent kinases, glycogen synthase kinase and Auroa kinases and are therefore useful to treat cancer and viral diseases.

In its many embodiments, the present invention provides a class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases (CDKs), methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions. An illustrative compound of the invention is shown below:

The present invention relates to methods of suppressing neuronal death, such as is observed with ischemia-related diseases and disorders, including neuronal and cardiac conditions arizing from a sudden loss of oxygen and / or energy loss, and degenerative diseases, such as Alzheimer's disease to name just one. The methods involve the use of inhibitors that act primarily in a simultaneous manner on the cyclin-dependent kinases, CDK4 and CDK6.

This invention relates to compounds, compositions, and methods useful for modulating cyclin (e.g., cyclin D1) and / or cyclin dependent kinase (CDK) gene expression using short interfering nucleic acid (siNA) molecules. This invention also relates to compounds, compositions, and methods useful for modulating the expression and activity of other genes involved in pathways of cyclin (e.g., cyclin D1) and / or cyclin dependent kinase (CDK) gene expression and / or activity by RNA interference (RNAi) using small nucleic acid molecules. In particular, the instant invention features small nucleic acid molecules, such as short interfering nucleic acid (siNA), short interfering RNA (siRNA), double-stranded RNA (dsRNA), micro-RNA (miRNA), and short hairpin RNA (shRNA) molecules and methods used to modulate the expression of cyclin (e.g., cyclin D1) and / or cyclin dependent kinase (CDK) genes.

The present invention relates to inhibitors of general Formula (I) of cyclin-dependent kinases and therapeutic applications thereof. Furthermore, the invention relates to compounds for preventing and / or treating any type of pain, inflammatory disorders, immunological diseases, proliferative diseases, infectious diseases, cardiovascular diseases and neurodegenerative diseases.

The invention discloses a goat CDK2 (Cyclin-dependent kinases 2) gene knockout vector and a construction method thereof. A CRISPR / Cas9 system is adopted; an SgRNA segment of a CDK2 gene is designed at first and an SgRNA nucleotide sequence is synthesized; a plasmid PYSY-sgRNA for expressing SgRNA and Cas9D10A at the same time is constructed; the plasmid PYSY-sgRNA is connected and transformed to an escherichia coli DH5alpha competent cell; finally, a transformant is verified; restriction enzyme digestion and sequencing identification prove that the construction of the CDK2 gene knockout vector is accurate. The vector constructed by CRISPR / Cas9 is adopted, and a theoretical basis is provided for subsequently obtaining a goat CDK2 gene deletion type cell line and researching a molecular mechanism of cell apoptosis molecules triggered by mycoplasma pneumonia infection.

In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or compositions.

In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.

The present application discloses nucleic acid constructs comprising nucleic acids which encode a protein which inhibits the cellular protein p27 and thereby relieves the inhibition of the proliferation of the cell which is brought about by p27, fragments and variants thereof, some of which possess a dominant interfering character.

The invention discloses a pyrimido or pyridopyridone compound shown in the formula I and its preparation method and use and belongs to the technical field of drug preparation. The pyrimido or pyridopyridone compound can efficiently and selectively inhibit cyclin-depedent kinase (Cdks) CDK4 and CDK6 activity and prevent tumor cell division through inhibiting CDK4 / CDK6. The pyrimido or pyridopyridone compound can be used for treating various diseases caused through imbalance of cell cycle control based on CDK4 and CDK6 and is especially suitable for cancer treatment.

The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3. In formula (0): X is a group R1-A-NR4— or a 5- or 6-membered carbocyclic or heterocyclic ring; A is a bond, SO2, C═O, NRg(C═O) or O(C═O) wherein Rg is hydrogen or C1-4 hydrocarbyl optionally substituted by hydroxy or C1-4 alkoxy; Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; R1 is hydrogen; a carbocyclic or heterocyclic group having from 3 to 12 ring members; or a C1-8 hydrocarbyl group optionally substituted by one or more substituents selected from halogen (e.g. fluorine), hydroxy, C1-4 hydrocarbyloxy, amino, mono- or di-C1-4 hydrocarbylamino, and carbocyclic or heterocyclic groups having from 3 to 12 ring members, and wherein 1 or 2 of the carbon atoms of the hydrocarbyl group may optionally be replaced by an atom or group selected from O, S, NH, SO, SO2; R2 is hydrogen; halogen; C1-4 alkoxy (e.g. methoxy); or a C1-4 hydrocarbyl group optionally substituted by halogen (e.g. fluorine), hydroxyl or C1-4 alkoxy (e.g. methoxy); R3 is selected from hydrogen and carbocyclic and heterocyclic groups having from 3 to 12 ring members; and R4 is hydrogen or a C1-4 hydrocarbyl group optionally substituted by halogen (e.g. fluorine), hydroxyl or C1-4 alkoxy (e.g. methoxy).

The present invention relates to novel compounds for the inhibition of cyclin-dependent kinases, and more particularly, to chromenone derivatives of formula (Ia),wherein R1, R2, R3, R4, R5, R6, R7 and A have the meanings indicated in the claims. The invention also relates to processes for the preparation of the compounds of formula (Ia), to methods of inhibiting cyclin-dependent kinases and of inhibiting cell proliferation, to the use of the compounds of formula (Ia) in the treatment and prophylaxis of diseases, which can be treated or prevented by the inhibition of cyclin-dependent kinases such as cancer, to the use of the compounds of formula (Ia) in the preparation of medicaments to be applied in such diseases. The invention further relates to compositions containing a compound of formula (Ia) either alone or in combination with another active agent, in admixture or otherwise in association with an inert carrier, in particular pharmaceutical compositions containing a compound of formula (Ia) either alone or in combination with another active agent, together with pharmaceutically acceptable carrier substances and auxiliary substances.

The present invention provides methods and compositions for modulating the phosphorylation of DARPP-32 in a serotonergic receptor intracellular signaling pathway. The invention provides methods and compositions for modulating the activities of DARPP-32, casein kinase 1 (CK1), cyclin-dependent kinase 5 (Cdk5), AMPA receptors, protein phosphatase-1 (PP-1), protein phosphatase 2C (PP2C), protein phosphatase 2B (PP2B) and / or protein phosphatase 2A (PP2A) in cells or tissues. The invention provides methods of treating serotonergic intracellular signaling pathway disorders, e.g., depression. The invention provides methods of treating dopamine-related disorders. The invention provides methods of identifying agents that modulate the activities of serotonergic receptor intracellular signaling molecules, DARPP-32, casein kinase 1, cyclin-dependent kinase 5, AMPA receptors, protein phosphatase-1, protein phosphatase 2C, protein phosphatase 2B and / or protein phosphatase 2A, for use in such treatments. The invention also provides methods of modulating phosphorylation-dependent activation of AMPA receptors for use in such treatments.

In its many embodiments, the present invention provides certain pyrazolo[1,5-a]pyrimidine compounds which can have utility as inhibitors of cyclin dependent kinases as well as methods of preparing such compounds. The compounds can have potential utility for the treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs.

In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.

In its many embodiments, the present invention provides a class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases (CDKs), methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.

In its many embodiments, the present invention provides a novel class of imidazo[1,2-a]pyrazine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.