نتایج جستجو برای: growth inhibitors
تعداد نتایج: 979639 فیلتر نتایج به سال:
Recently, two small-molecule kinase inhibitors targeting epidermal growth factor receptor have proven effective in the treatment of non-small cell lung cancer. There are specific activating mutations within the tyrosine kinase domain of epidermal growth factor receptor related to the sensitivity of tyrosine kinase inhibitors. However, it is unknown whether rare mutations in the N-lobe (exons 18...
It is known that cyanobacteria negatively affect herbivores due to their production of toxins such as protease inhibitors. In the present study we investigated potential interspecific differences between two major herbivores, Daphnia magna and Daphnia pulex, in terms of their tolerance to cyanobacteria with protease inhibitors. Seven clones each of D. magna and of D. pulex were isolated from di...
Epidermal growth factor receptor inhibitors (EGFRIs) have become an integral part of therapy for many types of solid malignancy, including colorectal cancer. The drug class has proven to be effective without causing many of the side-effects associated with chemotherapy or other growth factor receptor inhibitors. Epistaxis, a common side-effect of Vascular Endothelial Growth Factor inhibitors, i...
Kinase inhibitors have emerged as effective cancer therapeutics in a variety of human cancers. Glioblastoma (GBM), the most common malignant brain tumor in adults, represents a compelling disease for kinase inhibitor therapy because the majority of these tumors harbor genetic alterations that result in aberrant activation of growth factor signaling pathways. Attempts to target the Ras-Phosphati...
Inhibition of murine double minute 2 (MDM2)-p53 protein-protein interaction with small molecules has been shown to reactivate p53 and inhibit tumor growth. Here, we describe rational, structure-guided, design novel isoindolinone-based MDM2 inhibitors. X-ray crystallography, quantum mechanics ligand-based design, metabolite identification all contributed toward the discovery potent in vitro vivo...
The growth of Escherichia coli DH5α recombinants producing eicosapentaenoic acid (EPA) (DH5αEPA+) and those not producing EPA (DH5αEPA-) was compared in the presence of hydrophilic or hydrophobic growth inhibitors. The minimal inhibitory concentrations of hydrophilic inhibitors such as reactive oxygen species and antibiotics were higher for DH5αEPA+ than for DH5αEPA-, and vice versa for hydroph...
Inhibitors of DNA synthesis are often used to infer the role of DNA synthesis in growth regulation (1, 11). The usefulness of such an inhibitor depends upon the extent to which it is both effective and specific. The requirement of effectiveness demands that the inhibitor truly prevent subsequent DNA synthesis. The requirement of specificity demands that essentially all the growth-inhibition res...
Up to now, several clinical studies have been started investigating the relevance of receptor tyrosine kinase (RTK) inhibitors upon progression free survival in various pediatric brain tumors. However, single targeted kinase inhibition failed, possibly due to tumor resistance mechanisms. The present study will extend our previous observations that vascular endothelial growth factor receptor (VE...
Aberrant signaling causes many diseases, and manipulating signaling pathways with kinase inhibitors has emerged as a promising area of drug research. Most kinase inhibitors target the conserved ATP-binding pocket; therefore specificity is a major concern. Proteomics has previously been used to identify the direct targets of kinase inhibitors upon affinity purification from cellular extracts. He...
Since in most tumors multiple signaling pathways are involved, many of the inhibitors in clinical development are designed to affect a wide range of targeted kinases. The most important tyrosine kinase families in the development of tyrosine kinase inhibitors are the ABL, SCR, platelet derived growth factor, vascular endothelial growth factor receptor and epidermal growth factor receptor famili...
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