Mechanism of growth retardation of the adenocarcinoma EO 771
| dc.contributor.author | Bassukas, I. D. | en |
| dc.contributor.author | Maurer-Schultze, B. | en |
| dc.date.accessioned | 2015-11-24T19:05:05Z | |
| dc.date.available | 2015-11-24T19:05:05Z | |
| dc.identifier.issn | 0301-634X | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/20141 | |
| dc.rights | Default Licence | - |
| dc.subject | Adenocarcinoma/*pathology | en |
| dc.subject | Animals | en |
| dc.subject | Cell Cycle | en |
| dc.subject | Cell Division | en |
| dc.subject | DNA Replication | en |
| dc.subject | Male | en |
| dc.subject | Mammary Neoplasms, Experimental/*pathology | en |
| dc.subject | Mice | en |
| dc.subject | Mice, Inbred C57BL | en |
| dc.subject | Necrosis | en |
| dc.subject | Neoplasm Transplantation | en |
| dc.title | Mechanism of growth retardation of the adenocarcinoma EO 771 | en |
| heal.abstract | Growth retardation of tumors has been predominantly described by an increase of the "cell loss factor" phi. However, this cell loss factor alone merely reflects the growth deceleration without giving information on the mechanism that causes growth retardation. In the present study a quantitative analysis of the mechanism causing growth retardation of the adenocarcinoma EO 771 has been carried out by determining separately the components of the cell loss factor phi, namely the cell production rate and the cell loss rate of the tumor cell population. For this purpose the alteration of the histology of the tumor (proportion of necrotic tumor tissue, tumor cell density) and the proliferative capacity of the tumor cell population as a function of the tumor size was studied by applying morphometric and cell kinetic methods. The results show that growth deceleration is due to a decrease of the cell production rate kappa p and a simultaneous increase of the cell loss rate kappa l. Both processes contribute to about the same extent to the growth deceleration of the tumor cell population. In early tumor growth deceleration is mainly due to a prolongation of the cycle time of the tumor cells, in later phases of tumor growth to an increasing probability of the tumor cells to decycle leading to a decrease of the growth fraction GF and an increase of the cell loss rate kappa l. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.secondary | http://www.ncbi.nlm.nih.gov/pubmed/3615807 | - |
| heal.identifier.secondary | http://www.springerlink.com/content/h8465j4038w62n54/fulltext.pdf | - |
| heal.journalName | Radiat Environ Biophys | en |
| heal.journalType | peer-reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 1987 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικής | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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