Nongenotoxic Carcinogenesis
A. Cockburn · L. Smith
mar 2013 · Ernst Schering Foundation Symposium Proceedings Libro 10 · Springer Science & Business Media
Ebook
240
pagine
reportValutazioni e recensioni non sono verificate Scopri di più
Informazioni su questo ebook
"What is a nongenotoxic carcinogen?" This question recurred through out the Ernst Schering Research Foundation Workshop on nongeno toxic carcinogenesis, underlining the complexity of the topic. The clarity of the view that all carcinogens act by mutating DNA, origin ally advocated by Bruce Ames nearly 20 years ago, has been clouded by the increasing numbers of compounds which are not genotoxic but which nevertheless can cause cancer. There is an urgent need to in crease our understanding of these compounds so that their risks can be evaluated realistically and decisions made from a position of knowl edge and strength, rather than in fear of the unknown. A nongenotoxic carcinogen can be defined as a compound which causes cancer, but which does not cause damage to DNA as its primary biological activity. This negative definition covers a range of carci nogens acting through a variety of mechanisms. Such chemicals often produce tumours only in a single organ species, and there are a few common locations which are affected most often. For example, in male rats, certain carcinogens bind to az globulin to form a complex which 11 accumulates in the kidney tubular cells, which is followed by necrosis and compensatory cell proliferation leading the neoplasia. Other com mon mechanisms include hormonal imbalance resulting in thyroid tu mours or peroxisome proliferation resulting in liver cancer. These and other examples are studied in some detail in the papers of this book.
Valuta questo ebook
Dicci cosa ne pensi.
Informazioni sulla lettura
Smartphone e tablet
Installa l'app Google Play Libri per Android e iPad/iPhone. L'app verrà sincronizzata automaticamente con il tuo account e potrai leggere libri online oppure offline ovunque tu sia.
Laptop e computer
Puoi ascoltare gli audiolibri acquistati su Google Play usando il browser web del tuo computer.
eReader e altri dispositivi
Per leggere su dispositivi e-ink come Kobo e eReader, dovrai scaricare un file e trasferirlo sul dispositivo. Segui le istruzioni dettagliate del Centro assistenza per trasferire i file sugli eReader supportati.
