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Prions are disease-causing agents that are neither bacterial nor fungal nor viral and contain no genetic material. A prion is a protein that occurs normally in a harmless form. By folding into an aberrant shape, the normal prion turns into a rogue agent. It then co-opts other normal prions to become rogue prions. Prions have been held responsible for a number of degenerative brain diseases, including scrapie (a fatal disease of sheep and goats), mad cow disease, Creutzfeldt-Jacob disease, fatal familial insomnia, kuru, an unusual form of hereditary dementia known as Gertsmann-Straeussler-Scheinker disease, and possibly some cases of Alzheimer's disease. This book presents the latest research in this dynamic field.
The four sections of this book cover cell and molecular biology of tumor metabolism, metabolites, tumor microenvironment, diagnostics and epigenetics. Written by international experts, it provides a thorough insight into and understanding of tumor cell metabolism and its role in tumor biology. The book is intended for scientists in cancer cell and molecular biology, scientists in drug and diagnostic development, as well as for clinicians and oncologists.
Apoptosis is the regulated form of cell death. It is a complex process defined by a set of characteristic morphological and biochemical features that involves the active participation of affected cells in a self-destruction cascade. This programmed cell death plays a critical role in physiological functions such as cell deletion during embryonic development, balancing cell number in continuously renewing tissues and immune system development. Additionally, a dysregulation of apoptosis is underlying in numerous pathological situations such as Parkinson, Alzheimer's disease and cancer. A number of studies have pointed out an association between consumption of fruits and vegetables, and certain beverages such as tea and wine, which are rich in polyphenols, with reduced risk of chronic diseases, including cancer. Apoptosis is also the regulatory mechanism involved in the removal of unnecessary cells during development and in tissue homeostasis in a wide range of organisms from insects to mammals. This book presents exciting research in this related field.
In this landmark dictionary, Roy Armes details the scope and diversity of filmmaking across the Arab Middle East. Listing more than 550 feature films by more than 250 filmmakers, and short and documentary films by another 900 filmmakers, this volume covers the film production in Iraq, Jordan, Lebanon, Palestine, Syria, and the Gulf States. An introduction by Armes locates film and filmmaking traditions in the region from early efforts in the silent era to state-funded productions by isolated filmmakers and politically engaged documentarians. Part 1 lists biographical information about the filmmakers and their feature films. Part 2 details key feature films from the countries represented. Part 3 indexes feature-film titles in English and French with details about the director, date, and country of origin.
"L'auteur raconte son itinéraire depuis son enfance dans le Sud tchadien, le choc des cultures ressenti lorsqu'il a intégré l'école des Blancs puis lors de son arrivée en France. Il milite avec les étudiants tchadiens affiliés à la Fédération des étudiants d'Afrique noire en France qui vilipende le colonialisme et l'impérialisme."--