Download or read book DNA Methylation and Cancer Therapy written by Moshe Szyf and published by Springer Science & Business Media. This book was released on 2007-04-03 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: NA methylation has bewildered molecular biologists since Hotchkiss discovered it almost six decades ago (Hotchkiss RDJ. Biol Cem 1948; 175:315-332). The fact that the chemical structure of our D genome consists of two components that are covalently bound, the genetic information that is replicated by the DNA replication machinery ana DNA methylation that is maintainea by independent enzymatic machinery, has redictably stimulated the imagination and curiosity of generations of mo Edular biologists. An obvious question was whether DNA methylation was a bearer of additional information to the genetic information and what was the nature of this information? It was tempting to speculate that DNA me thylation applied some form of control over programming of the genome s expression profile. Once techniques to probe the methylation profile of whole genomes as well as specific genes became available, it became clear that DNA methylation patterns are gene and tissue specific and that patterns of gene expression correlate with patterns of methylation. DNA methylation pat terns emerged as the only component of the chemical structure of DNA that exhibited tissue and cell specificity. This data seemingly provided an attrac tively simple explanation for the longstanding dilemma of how could one identical genome manifest itself in so many different forms in multicellular organisms? The DNA methylation pattern has thus become the only known factor to confer upon DNA a unique cellular identity.

Download or read book Epigenetic Therapy of Cancer written by Michael Lübbert and published by Springer Science & Business Media. This book was released on 2013-12-12 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: The growing knowledge about disturbances of epigenetic gene regulation in hematopoietic stem cell disorders is now being translated into treatment approaches that target the epigenetic defects pharmacologically. This book first presents the latest evidence regarding the epigenetic regulation of hematopoietic stem cell differentiation and hemoglobin production. The significance of DNA methylation abnormalities in hematopoietic disorders and of epigenetic disturbances in lung cancer and other solid tumors is then discussed. A major part of the book, however, relates specifically to the translation of basic research and drug development to clinical applications, and in this context both present and future clinical strategies are considered. Individual chapters are devoted to the use of DNA hypomethylating agents and chromatin-modifying agents, and the treatment of hematologic malignancies and solid tumors by means of epigenetic agents is discussed in detail.

Download or read book Cancer Epigenetics written by Antonio Giordano and published by John Wiley & Sons. This book was released on 2011-10-07 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cancer Epigenetics: Biomolecular Therapeutics in Human Cancer is the only resource to focus on biomolecular approaches to cancer therapy. Its presentation of the latest research in cancer biology reflects the interdisciplinary nature of the field and aims to facilitate collaboration between the basic, translational, and clinical sciences.

Download or read book Cancer Epigenetics written by Trygve Tollefsbol and published by CRC Press. This book was released on 2008-09-19 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past few decades, it has become increasingly apparent that heredity is not the sole determining factor in disease development, such as cancer. This landmark work covers a wide array of aspects in the relatively new area of epigenetics, ranging from its role in the basic mechanisms of tumorigenesis, to the newest epigenetic drugs being de

Download or read book The Histone Code and Beyond written by Shelley L. Berger and published by Springer Science & Business Media. This book was released on 2007-01-19 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methylation of DNA at cytosine residues as well as post-translational modifications of histones, including phosphorylation, acetylation, methylation and ubiquitylation, contribute to the epigenetic information carried by chromatin. These changes play an important role in the regulation of gene expression by modulating the access of regulatory factors to the DNA. The use of a combination of biochemical, genetic and structural approaches has allowed demonstration of the role of chromatin structure in transcriptional control. The structure of nucleosomes has been elucidated and enzymes involved in DNA or histone modifications have been extensively characterized. Since deregulation of epigenetic marks has been reported in many cancers, a better understanding of the underlying molecular mechanisms bears the promise that new drug targets may soon be found. The newest developments in this quickly developing field are presented in this book.

Download or read book Epigenetics and Cancer written by Fazlul H. Sarkar and published by Springer Science & Business Media. This book was released on 2013-05-29 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Overall, this book illustrates the complexities of the regulation and deregulation of genes mediated through epigenetics in the development and progression of human malignancies. All the articles have been carefully chosen to represent several cancer systems with state of our knowledge on the role of epigenetic deregulation of microRNAs (miRNAs) and their target mRNAs along with epigenetic deregulation of mRNAs. This book also illustrates the role of several dietary agents, collectively called nutraceuticals or natural agents in modulating the epigenetic reprogramming of miRNAs and mRNAs for the prevention and/or treatment of human malignancies. It is well known that genetic aberrations, especially inherited through parents (somatic genetic alterations) contribute to the development of less than 10% of all cancer yet epigenetic alterations in genes especially through selective methylation and acetylation appears to be responsible for the development and progression of the vast majority of all cancers. Therefore, understanding the role of epigenetics in the regulation of genes especially through deregulated expression of miRNAs as presented in this book will allow scientists to devise targeted therapeutic strategies for re-expression of the lost genes or down-regulate the genes that are over-expressed in order to eradicate cancer. It is hoped that targeting epigenetics will not only target cancer cells but it will also target the tumor microenvironment (more like the entire tumor environment such as the entire host) for achieving better treatment outcomes for patients diagnosed with cancer which will lead to achieve the long-term objective for complete eradication of cancer. This book contains fifteen chapters which begins with the concept of systems and network biology for investigating the epigenetics of cancer followed by a series of articles on the role of miRNAs and their target genes in the biology of pancreatic cancer and other cancers such as breast, kidney, prostate and and colon. Since it is becoming increasingly clear that cancer stem cells (CSCs) are important in the development and progression of cancer, and CSCs are important in therapeutic resistance, treatment failure and tumor recurrence, thus the importance of CSCs and epigenetics has been highlighted by a very timely article on epigenetic variations of stem cell markers in cancer including miRNAs. Moreover, just targeting heterogeneous cancer cell populations may not be optimal to eradicate tumors and for which one must take a holistic approach for developing drugs that could also target the tumor microenvironment and tumor dormancy that are regulated through epigenetics. Keeping abreast with this thought process the concluding chapter provides a concept towards curative cancer therapy with maspin, which could be a unique window of opportunity to target tumor dormancy. Therefore, it suggest that targeting the tumor dormancy and the tumor microenvironment using novel therapeutics specifically by targeting epigenetics would become the future of medicine.

Download or read book Targeting the DNA Methylation Machinery in Cancers written by Pui Chi Flora Chik and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Cancer cells have aberrant DNA methylation patterns which are characterized by hypomethylation of a large set of promoters and hypermethylation of tumor suppressor genes. The dynamic nature of the epigenome makes it a valuable target for therapeutic interventions. This thesis focuses on understanding the use of various inhibitors towards DNA methylation-related proteins and their respective anti-cancer activities at both global and gene-specific levels. The widely used demethylating agent 5-azacytidine and 5-aza-2'-deoxycytidine (5-azaCdR) are FDA-approved drugs for the treatment of myelodysplastic syndrome. However, these nucleoside analogs which trap the DNA methyltransferases (DNMTs) are non-specific. Studies have shown that 5-azaCdR induced pro-metastatic genes and caused long distance metastasis. This raises serious safety concerns for their clinical use. On the contrary, targeting the DNMTs individually or in combination did not result in dramatic induction of pro-metastatic genes as with 5-azaCdR treatment. In particular, single DNMT1-specific inhibition resulted in maximum growth suppression when compared to inhibition of all three major DNMTs, while not increasing cell invasiveness. DNMT1 has been shown to be important for cancer growth. Our study supports the idea that DNMT1 has a major role in cancer over the other DNMTs and that DNMT1 inhibitors could be effective anti-cancer drugs. 5-azaCdR has nevertheless been proven to be a potent suppressor of cancer growth. We tested the idea of a combinatorial treatment that may minimize its side-effects on cell invasion while maintaining its growth suppressor effects. The methyl-CpG binding protein 2 (MBD2) protein has been shown to demethylate pro-metastatic genes. Its inhibition in concurrent with 5-azaCdR treatment synergistically suppressed cancer growth, while reversed the 5-azaCdR-induced invasion. In order to have a deeper understanding of the impact of the treatments, microarrays studies on the methylome and transcriptome of the treated cells were carried out. Bioinformatics analysis indicated that the combined treatment suppressed gene networks that were involved in cell mobility, while synergistically enhanced gene networks that were involved in cell death. This data indicate that combining 5-azaCdR treatment with MBD2 inhibition results in more potent anti-cancer effects than either treatment alone. In order to explore the currently available drugs that inhibit MBD2, we tested the combination of S-adenosylmethionine (SAM) with 5-azaCdR on the same cancer cell lines. SAM remethylated gene promoters of pro-metastatic genes and repressed 5-azaCdR-induced invasion similarly to MBD2 inhibition. We then investigated the relationship between SAM and MBD2 downregulation and observed hypermethylation on both CpG and non-CpG sites in the MBD2 promoter upon SAM treatment. Interestingly, inhibition of MBD2 using short interference RNA also resulted in hypermethylation of its own promoter. This observation suggested that SAM treatment could directly downregulate MBD2 expression, which is further downregulated through a feedback loop. These results also suggested that SAM treatment could have a direct effect on MBD2 promoter, which in turn affects multiple MBD2 targets that are involved in invasion. Together, the data from this thesis support the idea that targeting the epigenome could be a highly efficacious anti-cancer therapy and that combining drugs that target DNA methylation could increase the potency over individual treatments." --

Download or read book Introduction to Epigenetics written by Renato Paro and published by Springer Nature. This book was released on 2021-03-23 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access textbook leads the reader from basic concepts of chromatin structure and function and RNA mechanisms to the understanding of epigenetics, imprinting, regeneration and reprogramming. The textbook treats epigenetic phenomena in animals, as well as plants. Written by four internationally known experts and senior lecturers in this field, it provides a valuable tool for Master- and PhD- students who need to comprehend the principles of epigenetics, or wish to gain a deeper knowledge in this field. After reading this book, the student will: Have an understanding of the basic toolbox of epigenetic regulation Know how genetic and epigenetic information layers are interconnected Be able to explain complex epigenetic phenomena by understanding the structures and principles of the underlying molecular mechanisms Understand how misregulated epigenetic mechanisms can lead to disease

Download or read book Handbook of Nutrition Diet and Epigenetics written by Vinood B. Patel and published by Springer. This book was released on 2019-02-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This multivolume reference work addresses the fact that the well being of humankind is predicated not only on individuals receiving adequate nutrition but also on their genetic makeup. The work includes more than 100 chapters organized in the following major sections: Introduction and Overview; Epigenetics of Organs and Diseases in Relation to Diet and Nutrition; Detailed Processes in Epigenetics of Diet and Nutrition; Modulating Epigenetics with Diet and Nutrition; and Practical Techniques. While it is well known that genes may encode proteins responsible for structural and dynamic components, there is an increasing body of evidence to suggest that nutrition itself may alter the way in which genes are expressed via the process of epigenetics. This is where chemically imposed alteration in the DNA sequence occurs or where the functional expression of DNA is modulated. This may include changes in DNA methylation, non-coding RNA, chromatin, histone acetylation or methylation, and genomic imprinting. Knowledge regarding the number of dietary components that impact on epigenetic processes is increasing almost daily. Marshalling all the information on the complex relationships between diet, nutrition, and epigenetic processes is somewhat difficult due to the wide myriad of material. It is for this reason that the present work has been compiled.

Download or read book Epigenetic Cancer Therapy written by Steven Gray and published by Elsevier. This book was released on 2023-05-03 with total page 773 pages. Available in PDF, EPUB and Kindle. Book excerpt: Epigenetic Cancer Therapy, Second Edition provides a comprehensive discussion of healthy and aberrant epigenetic biology, along with new discoveries to improve our understanding of cancer epigenetics and therapeutics. The book encompasses large-scale intergovernmental initiatives, as well as recent findings across cancer stem cells, rational drug design, clinical trials, and chemopreventative strategies. As a whole, the work articulates and raises the profile of epigenetics as a therapeutic option in the future management of cancer. Since the publication of the first edition of this book, the field of epigenetics has undergone significant change. New epigenetic therapies have been designed and approved for clinical use. Our knowledge of the plasticity of the epigenome in cancer and disease has expanded dramatically, with increasing evidence linking pollution to epigenetic changes in cancer development. This second edition has been fully updated to address these changes, along with promising therapeutic programs such as CRISPR/Cas9 mediated approaches, CAR-T based therapies, epigenetic priming, histone modifications, and similar, transformative advances across synthetic biology and cellular engineering. - Concisely summarizes the therapeutic implications of recent, large-scale epigenome studies - Covers new findings in the interplay between cancer stem cells (CSCs) and drug resistance, thus demonstrating that epigenetic machinery is a candidate target for the eradication of these CSCs - Provides a fully updated resource on new topics, including the epitranscriptome, oncohistones, single cell analysis, epigenetic priming, CRISPR therapy, CAR-T therapy, and epigenetics and pollution - Features chapter contributions from leading experts in the field

Download or read book Alterations of Epigenetics and MicroRNAs in Cancer and Cancer Stem Cell written by Yoshimasa Saito and published by Frontiers E-books. This book was released on 2014-11-10 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies have shown that alterations of epigenetics and microRNAs (miRNAs) play critical roles in the initiation and progression of human cancer. Epigenetic silencing of tumor suppressor genes in cancer cells is generally mediated by DNA hypermethylation of CpG island promoter and histone modification such as methylation of histone H3 lysine 9 (H3K9) and tri-methylation of H3K27. MiRNAs are small non-coding RNAs that regulate expression of various target genes. Specific miRNAs are aberrantly expressed and play roles as tumor suppressors or oncogenes during carcinogenesis. Important tumor suppressor miRNAs are silenced by epigenetic alterations, resulting in activation of target oncogenes in human malignancies. Stem cells have the ability to perpetuate themselves through self-renewal and to generate mature cells of various tissues through differentiation. Accumulating evidence suggests that a subpopulation of cancer cells with distinct stem-like properties is responsible for tumor initiation, invasive growth, and metastasis formation, which is defined as cancer stem cells. Cancer stem cells are considered to be resistant to conventional chemotherapy and radiation therapy, suggesting that these cells are important targets of cancer therapy. DNA methylation, histone modification and miRNAs may be deeply involved in stem-like properties in cancer cells. Restoring the expression of tumor suppressor genes and miRNAs by chromatin modifying drugs may be a promising therapeutic approach for cancer stem cells. In this Research Topic, we discuss about alterations of epigenetics and miRNAs in cancer and cancer stem cell and understand the molecular mechanism underlying the formation of cancer stem cell, which may provide a novel insight for treatment of refractory cancer.

Download or read book The Histone Code and Beyond written by Shelley L. Berger and published by Springer. This book was released on 2009-09-02 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methylation of DNA at cytosine residues as well as post-translational modifications of histones, including phosphorylation, acetylation, methylation and ubiquitylation, contribute to the epigenetic information carried by chromatin. These changes play an important role in the regulation of gene expression by modulating the access of regulatory factors to the DNA. The use of a combination of biochemical, genetic and structural approaches has allowed demonstration of the role of chromatin structure in transcriptional control. The structure of nucleosomes has been elucidated and enzymes involved in DNA or histone modifications have been extensively characterized. Since deregulation of epigenetic marks has been reported in many cancers, a better understanding of the underlying molecular mechanisms bears the promise that new drug targets may soon be found. The newest developments in this quickly developing field are presented in this book.

Download or read book DNA and Histone Methylation as Cancer Targets written by Atsushi Kaneda and published by Springer. This book was released on 2017-09-04 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will focus on DNA and histone methylation in epigenetics and describe how it is involved in the molecular mechanisms responsible for the development of cancer. Chapters will summarize the current knowledge of the molecular basis of DNA and histone methylation and explain how it is involved in cancer, describe the features of DNA and histone methylation associated with particular types of cancer, diagnostic/therapeutic applications, and future directions of DNA and histone methylation as cancer targets.

Download or read book DNA Methyltransferases Role and Function written by Albert Jeltsch and published by Springer. This book was released on 2016-11-08 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: DNA methyltransferases are important enzymes in a broad range of organisms. Dysfunction of DNA methyltransferases in humans leads to many severe diseases, including cancer. This book focuses on the biochemical properties of these enzymes, describing their structures and mechanisms in bacteria, humans and other species, including plants, and also explains the biological processes of reading of DNA methylation and DNA demethylation. It covers many emerging aspects of the biological roles of DNA methylation functioning as an essential epigenetic mark and describes the role of DNA methylation in diseases. Moreover, the book explains modern technologies, like targeted rewriting of DNA methylation by designed DNA methyltransferases, as well as technological applications of DNA methyltransferases in DNA labelling. Finally, the book summarizes recent methods for the analysis of DNA methylation in human DNA. Overall, this book represents a comprehensive state-of-the-art- work and is a must-have for advanced researchers in the field of DNA methylation and epigenetics.

Download or read book MicroRNAs in Cancer written by Cesar Lopez-Camarillo and published by CRC Press. This book was released on 2013-02-22 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: MicroRNA (miRNA) biology is a cutting-edge topic in basic as well as biomedical research. This is a specialized book focusing on the current understanding of the role of miRNAs in the development, progression, invasion, and metastasis of diverse types of cancer. It also reviews their potential for applications in cancer diagnosis, prognosis, and th

Download or read book Cancer Epigenetics and Nanomedicine written by Prashant Kesharwani and published by Elsevier. This book was released on 2024-07-15 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cancer Epigenetics, Guns and Triggers: Targeting the Right Player via Nanotechnology Approach is a complete package that provides a comprehensive and thorough understanding of the key players that modulate the various steps of carcinogenesis and malignant progression of the disease and the critical targets to be exploited for developing novel modalities of diagnosis and therapeutics. Since epigenetic aberrations can be potentially reversed and restored to their normal state through epigenetic therapy, the book also discusses the challenges and the future of the field with the cutting-edge revelations and limitations that this research endeavor can offer, thereby helping the readers to enhance their critical thinking and adopt strategies of therapeutic importance. • Delivers a detailed and complete journey of how cancer develops, its genetics, as well as other internal and external factors that are contributors of carcinogenesis • Provides in-depth knowledge on epigenetics and the various epigenetic biomolecules, enzymes, and other signaling pathways that are promising entities for drug discovery and chemotherapeutics • Presents state-of-the-art information on the next-generation cancer therapies, challenges, and future of the field

Download or read book Methylation written by Anica Dricu and published by Inst za onkologiju i radiol. This book was released on 2012-11-28 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alterations in the normal DNA methylation processes are known to have major consequences for embryonic development and are associated with congenital defects, autoimmunity, aging and malignant transformation. The main purpose of this book is to provide information about the importance of methylation mechanisms in human health and disease. The book, covers the basic mechanism of DNA and protein methylation, aiming at the advanced undergraduate and graduate biomedical students and researchers working in the epigenetic area. The textbook chapters provide background as well as advanced information in the methylation area. On the other hand, it provide readers with both classical and relevant recent discoveries that have been made in the field, pointing out pathways where questions remain.