Molecular Basis of Specificity in Nucleic Acid-Drug Interactions


Book Description

One of the central problems in the study of the mechanism of DNA-ligand interactions is the existence and nature of sequence specificity with respect to the base pairs of DNA. The presence of such a specificity could be of particular significance because it might possibly mean the involvement of specific genes in the effectiveness of the different drugs. The elucidation of the factors responsible for the specificity could then be important for the development of compounds susceptible to contribute to the control of gene expression and also to the development of rationally conceived, improved new generations of effective and specific chemotherapeutic agents. Important recent achievements, experimental and theoretical, in the analysis of such sequence specificities open prospects for possible rapid progress in this field. The 23rd Jerusalem symposium was devoted to the exploration of these recent achievements in relation to many types of ligand, with special emphasis on antitumor drugs. All major types of interaction, intercalation, groove binding, covalent linking, coordination, have been considered. So was also the effect of the interaction on the structure and properties of the nucleic acids and the relationship between the interaction and biological or pharmacological activities. We feel that this Volume presents a relatively complete up-to-date account of the state of the art in this important field of research.







Molecular Aspects of Anticancer Drug DNA Interaction


Book Description

This cutting-edge book surveys the current knowledge on the mode of action of the major classes of DNA-interactive antitumor agents, providing information that could be crucial for the discovery of new therapeutic substances. It is an important reference for molecular biologists, cancer researchers, biochemists, biophysicists, and pharmacologists.




Molecular Aspects of Anticancer Drug DNA Interactions


Book Description

This cutting-edge book surveys the current knowledge on the mode of action of the major classes of DNA-interactive antitumor agents, providing information that could be crucial for the discovery of new therapeutic substances. It is an important reference for molecular biologists, cancer researchers, biochemists, biophysicists, and pharmacologists.




Host-Guest Molecular Interactions


Book Description

Composed of contributions from experts in the chemical and biological sciences, it explores host-guest molecular interactions leading to the formation of molecular assemblies containing two or more species. Exciting applications are emerging in this field and it is expected that improved understanding of the interactions in synthetic host molecule complexes will lead to a better understanding of the more complex biological systems. Topics include biomimetic chemistry, preorganization, self-assembly, template-directed synthesis, antibiotic binding to peptides and DNA, interactions between proteins and other molecules.




Small Molecule DNA and RNA Binders


Book Description

The development of molecules that selectively bind to nucleic acids has provided many details about DNA and RNA recognition. The range of such substances, such as metal complexes, peptides, oligonucleotides and a wide array of synthetic organic compounds, is as manifold as the functions of nucleic acids. Nucleic acid recognition sequences are often found in the major or minor groove of a double strand, while other typical interactions include intercalation between base pairs or the formation of triple or quadruple helices. One example of a binding mode that has recently been proposed is end stacking on such complex structures as the telomere tetraplex. In this comprehensive book, internationally recognized experts describe in detail the important aspects of nucleic acid binding, and in so doing present impressive approaches to drug design. Since typical substances may be created naturally or synthetically, emphasis is placed on natural products, chemical synthesis, the use of combinatorial libraries, and structural characterization. The whole is rounded off by contributions on molecular modeling, as well as investigations into the way in which any given drug interacts with its nucleic acid recognition site.




DNA Topoisomearases: Biochemistry and Molecular Biology


Book Description

Each volume of Advances in Pharmacology provides a rich collection of reviews on timely topics. Emphasis is placed on the molecular basis of drug action, both applied and experimental.




Advances in DNA Sequence-Specific Agents


Book Description

DNA sequence specificity is a sub-specialty in the general area of molecular recognition. This area includes macromolecular-molecular interactions (e.g., protein-DNA), oligomer-DNA interacitons (e.g., triple strands), and ligand-DNA interactions (e.g., drug-DNA). It is this latter group of DNA sequence specificity interactions that is the subject of Volumes 1 and 2 of Advances in DNA Sequence Specific Agents. As was the case for Volume 1, Part A also covers methodology, but in Volume 2 we include calorimetric titrations, molecular modeling, X-ray crystallographic and NMR structural studies, and transcriptional assays. Part B also follows the same format as Volume 1 and describes the sequence specificities and covalent and noncovalent interactions of small ligands with DNA.This volume is aimed in general at scientists who have an interest in deciphering the molecular mechanisms for sequence recognition of DNA. The methods have general applicability to small molecules as well as oligomers and proteins, while the examples provide general principles involved in sequence recognition.




Molecular Biology of DNA Topoisomerases and Its Application to Chemotherapy


Book Description

Molecular Biology of DNA Topoisomerases and Its Application to Chemotherapy is based on conference proceedings from the International Symposium on DNA Topoisomerases in Chemotherapy, held in Nagoya, Japan, in November 1991. The book opens with a discussion of the structural and functional properties of various types of DNA topoisomerases identified in prokaryotes and eukaryotes, in addition to their roles as cellular targets of anticancer and antimicrobial agents. Other topics addressed include the genetics and biology of DNA topoisomerases, inhibitors of microbial DNA topoisomerases and drug resistance, inhibitors of mammalian DNA topoisomerases and drug resistance, and preclinical and clinical studies of DNA topoisomerase inhibitors. Molecular Biology of DNA Topoisomerases and Its Application to Chemotherapy will broaden the understanding of biology and genetics of DNA topoisomerases and contribute to the development of antimicrobial and anticancer agents-inhibitors of topoisomerases. It will be invaluable for oncologists, molecular biologists, cellular biologists, geneticists, biochemists, and pharmaceutical researchers.




In Vitro Transcription and Translation Protocols


Book Description

Most laboratories conducting studies that use molecular biology techniques employ in vitro transcription and translation systems as a routine part of their day-to-day research. The commercial availability of purified bacterial RNA polymerase and the availability of robust tra- lation systems has made in vitro systems attractive not only as an alt- native to the in vivo expression of genes, but also as good model systems for studying specific aspects of transcription and translation. Although fairly efficient eukaryotic translation systems have been established for a number of years, reconstitution of transcription in vitro has proved to be more difficult. Recent improvements in fractionation techniques and the cloning of proteins involved in transcription have made this a fast moving area of research. Considerable progress has also been made in recent years in developing in vitro systems to study transcription and translation in chloroplasts and mitochondria, together with systems for the study of protein import. In Vitro Transcription and Translation Protocols provides many detailed experimental procedures for prokaryotic transcription and translation systems, together with protocols for many key techniques used in the analysis of eukaryotic transcription. In keeping with the successful format of preceding volumes of the Methods in Molecular Biology series, step-by-step instructions are provided, together with extensive notes that cover troubleshooting and special tips considered important.