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30 years of the Comet Assay: an overview with some new insights
By means of this ‘Frontiers in Genetics’ research topic, we are celebrating 30 years of the Comet Assay. The first paper on this single-cell gel electrophoresis assay was published in 1984 by O. Ostling and K.J. Johanson (Biochem. Biophys. Res. Commun. Vol.123: 291-298). The comet assay is a versatile and sensitive method for measuring single - and double-strand breaks in DNA. By including lesion-specific enzymes in the assay, its range and sensitivity are greatly increased, but it is important to bear in mind that their specificity is not absolute. The comet assay (with and without inclusion of lesion-specific enzymes) is widely used as a biomarker assay in human population studies - pr...
Olives and Olive Oil in Health and Disease Prevention
Long used in sacred ceremonies and associated with good health, the nutritional and health promoting benefits of olives and olive oils have been proven by an ever-increasing body of science. From cardiovascular benefits to anti-microbial, anti-cancer, antioxidant activity and effects on macrophages and aptoptosis to cellular and pathophysiollogical process, olives and olive oils are proving important in many healthful ways. For example, reactive components in olive oils or olive oil by-products have now been isolated and identified. These include tyrosol, hydroxytyrosol, 3,4-dihydroxyphenyl acetic acid elenolic acid and oleuropein. Oleic acid is the main monosaturated fatty acid of olive oil...
The Comet Assay in Toxicology
Concerns about the adverse effects of chemicals present in the environment have created a need for better systems to assess their potential consequences on human health. One potential solution is the versatile and state-of-the-art Comet assay. Simple, sensitive, rapid and visual, this modern toxicological method allows quantitative and qualitative assessment of DNA damage in single cells. This unique reference is devoted exclusively to the Comet assay and addresses, in-depth, the different protocols, statistical analyses and applications being used worldwide. It also includes the guidelines recommended by the working group on Comet assay. The book is aimed at students as well as scientists in the area of molecular epidemiology and genetic toxicology.
Laboratory Methods in Cell Biology
Cell biology spans among the widest diversity of methods in the biological sciences. From physical chemistry to microscopy, cells have given up with secrets only when the questions are asked in the right way! This new volume of Methods in Cell Biology covers laboratory methods in cell biology, and includes methods that are among the most important and elucidating in the discipline, such as transfection, cell enrichment and magnetic batch separation. - Covers the most important laboratory methods in cell biology - Chapters written by experts in their fields
Polymer Nanoparticles for Nanomedicines
This volume serves as a valuable handbook for the development of nanomedicines made of polymer nanoparticles because it provides researchers, students, and entrepreneurs with all the material necessary to begin their own projects in this field. Readers will find protocols to prepare polymer nanoparticles using different methods, since these are based on the variety of experiences that experts encounter in the field. In addition, complex topics such as, the optimal characterization of polymer nanoparticles is discussed, as well as practical guidelines on how to formulate polymer nanoparticles into nanomedicines, and how to modify the properties of nanoparticles to give them the different functionalities required to become an efficient nanomedicine for different clinical applications. The book also discusses the translation of technology from research to practice, considering aspects related to industrialization of preparation and aspects of regulatory and clinical development.
Biointeractions of Nanomaterials
An examination of the widespread application of nano materials in biology, medicine, and pharmaceuticals and the accompanying safety concerns, Bio-interactions of Nano Materials addresses the issues related to toxicity and safety of nano materials and nano systems. It covers the interactions in biological systems and presents various tools and meth
European Partnership on the Assessment of Risks from Chemicals (PARC): Focus on New Approach Methodologies (NAMs) in Risk Assessment
The European Partnership on the Assessment of Risks from Chemicals (PARC) project was launched in 2022. The overarching aim of this partnership is to enhance our knowledge about chemical substances to better safeguard human health and the environment against harmful effects. The project will run for seven years under Horizon Europe. PARC is subdivided into several work packages (WPs). WP5 is focused on hazard assessment for human and environmental health and includes more than 80 partners across Europe. WP5 aims to fill data gaps for specified chemical substances of concern (e.g, bisphenol alternatives) and to develop or improve new approach methodologies (NAMs) for chemical hazard assessment. This is in order to progress towards a risk assessment paradigm relying less on animal toxicity data, both with respect to human health and environmental safety. As the PARC initiative will evolve over time with respect to both projects and activities, presenting early initiatives will foster an increased awareness of ongoing activities and potential incorporation of new activities going forward.
Toxicología
Toxicología contiene los conocimientos básicos sobre esta disciplina que un estudiante del área de las Ciencias de la Salud debería conocer. Después de una introducción en la que se relata su evolución y se describen sus objetivos actuales, áreas de especialización y campos de actividad profesional, se entra de lleno en la explicación de los conceptos de exposición, peligro y riesgo. Este tema resulta esencial para comprender el importante papel que la toxicología tiene hoy en día en nuestra sociedad, expuesta a tantos productos químicos de diversa naturaleza, tanto de forma intencionada –medicamentos, aditivos alimentarios, tabaco, etc.– como no intencionada –contaminant...
DNA Repair
The book consists of 31 chapters, divided into six parts. Each chapter is written by one or several experts in the corresponding area. The scope of the book varies from the DNA damage response and DNA repair mechanisms to evolutionary aspects of DNA repair, providing a snapshot of current understanding of the DNA repair processes. A collection of articles presented by active and laboratory-based investigators provides a clear understanding of the recent advances in the field of DNA repair.
