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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Hochedlinger, Konrad Blelloch, Robert Brennan, Cameron Yamada, Yasuhiro Kim, Minjung Chin, Lynda Jaenisch, Rudolf |
| Description | Country affiliation: United States Author Affiliation: Hochedlinger K ( Whitehead Institute for Biomedical Research, and Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02142, USA.) |
| Abstract | We have used nuclear transplantation to test whether the reprogramming activity of oocytes can reestablish developmental pluripotency of malignant cancer cells. We show here that the nuclei of leukemia, lymphoma, and breast cancer cells could support normal preimplantation development to the blastocyst stage but failed to produce embryonic stem (ES) cells. However, a blastocyst cloned from a RAS-inducible melanoma nucleus gave rise to ES cells with the potential to differentiate into multiple cell types in vivo including melanocytes, lymphocytes, and fibroblasts. Chimeras produced from these ES cells developed cancer with higher penetrance, shorter latency, and an expanded tumor spectrum when compared with the donor mouse model. These results demonstrate that the secondary changes of a melanoma nucleus are compatible with a broad developmental potential but predispose mice to melanomas and other malignant tumors on reactivation of RAS. Our findings serve as a paradigm for studying the tumorigenic effect of a given cancer genome in the context of a whole animal. |
| File Format | HTM / HTML |
| ISSN | 08909369 |
| e-ISSN | 15495477 |
| Journal | Genes & Development |
| Issue Number | 15 |
| Volume Number | 18 |
| Language | English |
| Publisher | Cold Spring Harbor Laboratory Press |
| Publisher Date | 2004-08-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Molecular Discipline Biology__semicolon__developmental Discipline Biology__semicolon__genetics__semicolon__cell Discipline Biology Genome Melanoma Pathology Nuclear Transfer Techniques Animals Blastocyst Cytology Metabolism Breast Neoplasms Cell Differentiation Chimera Dna-binding Proteins Genetics Physiology Embryo, Mammalian Fibroblasts Genes, Ras Leukemia Lymphocytes Lymphoma Melanocytes Mice Mice, Inbred C57bl Mice, Scid Oocytes Stem Cells Tumor Cells, Cultured Research Support, Non-u.s. Gov't Research Support, U.s. Gov't, P.h.s. |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Developmental Biology |
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