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The role of carcinogenic agents in the deveolopment of human cancers is now being defined using a variety of human cells as experi mental model systems. A workshop on "neoplastic transformation in human cell systems in vitro: mechanisms of carcinogenesis" was held at the Georgetown University Medical Center, Washington, DC, on April 25-26, 1991. The aims of the workshop were to present the state-of-the art in the transformation of human cells in culture, as well as to provide insight into the molecular and cellular changes involved in the conver sion of normal cells to a neoplastic state of growth. The following topics were closely related to the theme of the workshops: 1. Derivation of in v...
In 1928, it was discovered that copper was essential for normal human metabolism. Ten years later, 1938, it was observed that patients with rheumatoid arthritis had a higher than normal serum copper concentration, which returned to normal wi th remission of this disease. Thirteen years later, it was found that copper complexes were effective in treating arthritic diseaseS. The first report that copper complexes had antiinflammatory activity in an animal model of in flammation appeared twenty-two years after the discovery of essen tiality. In 1976, it was suggested that the active forms of the anti arthritic drugs are their copper complexes formed in vivo. This suggestion was confirmed and ex...
Each issue lists papers published during the preceding year.
Most complex biological systems, such as enzyme pathways, are effec tively controlled near the beginning of the process. There is increasing evidence that the same is true for the immune system, with the initial interactions between antigen, antigen-presenting cells, and T cells hav ing a paramount influence on the ensuing events. Thus, analysis of the early stages of the immune responses has been a preoccupation of many immunologists. This has been considerably aided by the capac ity to expand these early events, and 'immortalize' them as clones of T cells, for detailed analysis. The discovery by Morgan, Ruscetti, and Gallo (Science 193, 1007, 1976) of T-cell growth factor (now termed inter...
Leukocyte culture conferences have a long pedigree. This volume records some of the scientific highlights of the 16th such annual con ference, and is a witness to the continuing evolution and popularity of leukocyte culture and of immunology. There is strong evidence of the widening horizons of immunology, both technically, with the obviously major impact of molecular biology into our understanding of cellular processes, and also conceptually. Traditionally, the 'proceedings' of these conferences have been published. But have the books produced really recorded the major part of the conference, the informal, friendly, but intense and some times heated exchanges that take place between workers...
The Free Trade Agreement between the United States and Canada was established in 1988 despite the U.S.’s controversial proposal to eliminate trade-distorting government subsidies to agriculture. Originally published in 1988, this volume brings together a collection of essays which identify and debate the difficulties associated with agricultural trade between the U.S. and Canada and explore common interests in the resolution of global agricultural issues. This title is a valuable resource for students interested in environmental studies and international agricultural relations.
This volume addresses the governance and evolution of Canada's international policies, and the challenges facing Canada's international policy relations on multiple fronts.