Cell proliferation kinetics in two human tumors grown in athymic nude mice. 1977

E K Rofstad, and T Brustad, and O Kaalhus

The technique of labelled mitoses was used to investigate the cell proliferation kinetics in two human neoplasms, one a malignant melanoma and one a fibrosarcoma, transplanted to and grown serially in the athymic nude mutant (ANM) mouse. The experimental data obtained codrealted well with a theoretical percentage labelled mitoses curve based on the assumption that the time spent by a cell in each of the phases M, G1, S and G2 is described by four independent log-normal distributions. However, no unique second wave was defined by the experimental results. This means that only the deductions made about the duration of the G2 and S phases are reliable. The median duration of tma and the fibrosarcoma, respectively. By comparing these results with results published on cell cycle studies of transplantable animal tumors and human tumors in situ, it is concluded that the cell cycle parameters of a human tumor grown in the ANM mouse are close to those of the same tumor in the donor patient.

UI MeSH Term Description Entries
D008207 Lymphatic Metastasis Transfer of a neoplasm from its primary site to lymph nodes or to distant parts of the body by way of the lymphatic system. Lymph Node Metastasis,Lymph Node Metastases,Lymphatic Metastases,Metastasis, Lymph Node
D008297 Male Males
D008545 Melanoma A malignant neoplasm derived from cells that are capable of forming melanin, which may occur in the skin of any part of the body, in the eye, or, rarely, in the mucous membranes of the genitalia, anus, oral cavity, or other sites. It occurs mostly in adults and may originate de novo or from a pigmented nevus or malignant lentigo. Melanomas frequently metastasize widely, and the regional lymph nodes, liver, lungs, and brain are likely to be involved. The incidence of malignant skin melanomas is rising rapidly in all parts of the world. (Stedman, 25th ed; from Rook et al., Textbook of Dermatology, 4th ed, p2445) Malignant Melanoma,Malignant Melanomas,Melanoma, Malignant,Melanomas,Melanomas, Malignant
D008819 Mice, Nude Mutant mice homozygous for the recessive gene "nude" which fail to develop a thymus. They are useful in tumor studies and studies on immune responses. Athymic Mice,Mice, Athymic,Nude Mice,Mouse, Athymic,Mouse, Nude,Athymic Mouse,Nude Mouse
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D008940 Mitotic Index An expression of the number of mitoses found in a stated number of cells. Index, Mitotic,Indices, Mitotic,Mitotic Indices
D009368 Neoplasm Transplantation Experimental transplantation of neoplasms in laboratory animals for research purposes. Transplantation, Neoplasm,Neoplasm Transplantations,Transplantations, Neoplasm
D001859 Bone Neoplasms Tumors or cancer located in bone tissue or specific BONES. Bone Cancer,Cancer of Bone,Cancer of the Bone,Neoplasms, Bone,Bone Neoplasm,Neoplasm, Bone
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
D005260 Female Females

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