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Aurora A, Aurora B and Kinase Insert Domain-containing Receptor (KDR) play essential roles in sustained cancer growth. In the present study, eighteen pyrazolo[4,3-b]pyrimido[4,5-e][1,4]diazepine derivatives were designed and synthesized. Most of the prepared compounds exhibited obviously enzymatic (Aurora A/B and KDR) activities. Among these analogs, compound 17g displayed significant Aurora A/B and KDR potencies with IC values of 46.2 nM, 37.6 nM and 21.6 nM, respectively. The results of further biological assays showed that compound 17g possessed moderate anti-proliferative activities against SNU-5, MKN-45 and MKN-74 cells lines, induced G2/M cell cycle arrest and apoptosis in MKN-45, MKN-74, SGC-7901 and SNU-5 cell lines, provided acceptable pharmacokinetic profiles (F = 63.8%), and inhibited the proliferation of SNU-5 tumors in vivo of mice. All of the above results suggested that pyrazolo[4,3-b]pyrimido[4,5-e][1,4]diazepine could be developed as a promising scaffold of multiple Aurora A/B and KDR inhibitors and 17g was worth of further research as a multi-targeted lead compound.
This article was published in the following journal.
Name: European journal of medicinal chemistry
Aurora kinases play critical roles in the regulation of the cell cycle and mitotic spindle assembly. Aurora A kinase, a member of the Aurora protein family, is frequently highly expressed in tumors, a...
CDK4/6 pathway is an attractive target for development of anti-cancer drugs. Herein, we reported the design and synthesis of a series of 4,5-dihydro-1H-pyrazolo [4,3-h]quinazoline derivatives as selec...
Twenty five novel chemical analogs of the previously reported Aurora kinase inhibitor BPR1K653 (1-(4-(2-((5-chloro-6-phenylfuro[2,3-d]pyrimidin-4-yl)amino)ethyl)phenyl)-3-(2-((dimethylamino)methyl)phe...
Transient receptor potential melastatin 2 (TRPM2), a Ca-permeable cationic channel, plays critical roles in insulin release, cytokine production, body temperature regulation and cell death as a reacti...
Falcipain 2 (FP-2) is the hemoglobin-degrading cysteine protease of Plasmodium falciparum most extensively targeted to develop novel antimalarials. However, no commercial antimalarial drugs based on F...
The primary objective of this study is to evaluate the use of the Aurora Ablation System in reducing menstrual blood loss at 12 months post-treatment. The occurrence of adverse events wil...
RATIONALE: Aurora A kinase inhibitor MLN8237 and bortezomib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. PURPOSE: This phase I/II trial is s...
The purpose of this trial is to study an investigational drug in patients with recurrent or non-responsive solid tumors, or cancers for which standard therapy does not exist.
RATIONALE: Aurora B/C kinase inhibitor GSK1070916A (GSK1070916A) may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. PURPOSE: This phase I trial is ...
The purpose of this study is to assess the safety and tolerability of MK-0457(VX-680), an Aurora kinase inhibitor, in participants with advanced solid tumors. Bioavailability of the oral f...
Aurora kinase C is a chromosomal passenger protein that interacts with aurora kinase B in the regulation of MITOSIS. It is found primarily in GERM CELLS in the TESTIS, and may mediate CHROMOSOME SEGREGATION during SPERMATOGENESIS.
An aurora kinase that localizes to the CENTROSOME during MITOSIS and is involved in centrosome regulation and formation of the MITOTIC SPINDLE. Aurora A overexpression in many malignant tumor types suggests that it may be directly involved in NEOPLASTIC CELL TRANSFORMATION.
An aurora kinase that is a component of the chromosomal passenger protein complex and is involved in the regulation of MITOSIS. It mediates proper CHROMOSOME SEGREGATION and contractile ring function during CYTOKINESIS.
Radiotherapy where cytotoxic radionuclides are linked to antibodies in order to deliver toxins directly to tumor targets. Therapy with targeted radiation rather than antibody-targeted toxins (IMMUNOTOXINS) has the advantage that adjacent tumor cells, which lack the appropriate antigenic determinants, can be destroyed by radiation cross-fire. Radioimmunotherapy is sometimes called targeted radiotherapy, but this latter term can also refer to radionuclides linked to non-immune molecules (see RADIOTHERAPY).
Amidines substituted with a benzene group. Benzamidine and its derivatives are known as peptidase inhibitors.
Bladder Cancer Brain Cancer Breast Cancer Cancer Cervical Cancer Colorectal Head & Neck Cancers Hodgkin Lymphoma Leukemia Lung Cancer Melanoma Myeloma Ovarian Cancer Pancreatic Cancer ...
Biological therapy involves the use of living organisms, substances derived from living organisms, or laboratory-produced versions of such substances to treat disease. Some biological therapies for cancer use vaccines or bacteria to stimulate the body&rs...
Immunoassay - ELISA
Immunoassays are quick and accurate tests to detect specific molecules. Immunoassays rely on an antibody to bind to the specific structure of a molecule. Antibodies are proteins generated by animals in response to the invasion of a foreign molecule (anti...