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Stem cells appear to be fundamental cellular units associated with the origin of multicellular organisms and have evolved to function in safeguarding the cellular homeostasis in organ t- sues. The characteristics of stem cells that distinguish them from other cells have been the fascinating subjects of stem cell research. The important properties of stem cells, such as ma- tenance of quiescence, self-renewal capacity, and differentiation potential, have propelled this exciting ?eld and presently form a common theme of research in developmental biology and medicine. The derivation of pluripotent embryonic stem cells, the prospective identi?cation of multipotent adult stem cells, and, more rec...
Membrane fusion and targeting processes are tightly regulated and coordinated. Dozens of proteins, originating from both the cytoplasm and membranes are involved. The discovery of homologous proteins from yeast to neurons validates a unified view. Although much is known about the interfering proteins, the events occurring when two lipid bilayers actually fuse are less clear. It should be remembered that lipid bilayers behave like soap-bubbles fusing when meeting each other. In this respect interfering proteins should be considered as preventing undesirable and unnecessary fusion and eventually directing the biological membrane fusion process (when, where, how, and overcoming the activation energy). In this latest volume in the renowned Subcellular Biochemistry series, some aspects of fusion of biological membranes as well as related problems are presented. Although not complete, there is a lot of recent information including on virus-induced membrane fusion. The contributors of the chapters are all among the researchers who performed many of the pioneering studies in the field.
Past efforts to colonize the environment and domesticate living species, coupled with scientific research, have resulted in the possession (but not always the real control) by humans of any available terrestrial space. However, oceans, which represent up to two thirds of the surface of the planet, had not been really approached until the middle of this century. As oceanographic science develops, the picture of a rich, diverse, complex and also, in many respects, specific marine life, is coming into view. In a broad sense, marine biotechnologies can be understood as the various means or techniques of managing marine living systems for the benefit of mankind. The first goal we have is for mari...
Reprint of the original. The publishing house Anatiposi publishes historical books as reprints. Due to their age, these books may have missing pages or inferior quality. Our aim is to preserve these books and make them available to the public so that they do not get lost.
A Discover Best Science Book of the Year: “A fascinating, accurate and accessible account of some of [the] contemporary efforts to combat aging” (The New York Times). Los Angeles Times Book Prize Finalist Named a Best Book of the Year by the New York Times, San Jose Mercury News, and Library Journal An award-winning writer explores science’s boldest frontier—extension of the human life span—interviewing dozens of people involved in the quest to allow us to live longer, better lives. Delving into topics from cancer to stem cells to cloning, Merchants of Immortality looks at humankind’s quest for longevity and tackles profound questions about our hopes for defeating health problems...
A wide-ranging collection of readily reproducible methods for performing nuclear reprogramming by nuclear transfer in several different species, by fusion through both chemical treatment and electrically shocking cells, and by in vivo treatment of cells with cell extracts. Several methods of monitoring nuclear reprogramming are also presented, including the use of transgenic markers, activation of telomerase as an ES-specific marker, light and electron microscopic observation of structural changes in the nucleus, and verification of surface marker expression and the differentiation potential of stem cells. Biochemical methods are provided for the examination of chromatin protein modifications, nucleosomal footprinting, transcription factor binding, and the study of DNA methylation changes both at the specific locus level and at the level of the whole nucleus.
If Cleopatra's nose had been half an inch longer, neither Caesar nor Mark Antony would have fallen in love with her. It: A History of Human Beauty treats outstanding physical attractiveness as a quality or possession, comparable to power, intelligence, strength, wealth, education or family, that had a marked effect on history. Beauty in men and women opened opportunities to its possessors not available to the ordinary looking or ugly. While in the past women have had to use the lure of sex to achieve power or wealth, epitomised by royal mistresses or the Grandes Horizontales of the nineteenth century, modern film stars (male and female) can acquire great wealth simply by the use of their images, while attractiveness on television is an essential modern qualification for power, as shown by Ronald Reagan and Tony Blair.
Accompanying CD-ROM (in v. 2) has image collections which can be saved in PowerPoint or HTML.
This volume aims to extract and summarize all information about CAK by pointing out commonly accepted facts and unresolved issues. It takes the reader from yeast to mammals and describes all areas that CAK is thought to be involved in. This volume is designed to serve newcomers to the field as well as specialists; any person interested in cell growth, signal transduction and cancer will find this a useful tool to own.