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PMID:8080725
| Citation |
Kondo, S, Yin, D, Takeuchi, J, Morimura, T, Oda, Y and Kikuchi, H (1994) bcl-2 gene enables rescue from in vitro myelosuppression (bone marrow cell death) induced by chemotherapy. Br. J. Cancer 70:421-6 |
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| Abstract |
Recent studies have shown that the use of cytokines such as granulocyte colony-stimulating factor (G-CSF) to ameliorate chemotherapy-induced myelosuppression may enhance the viability of tumour cells with functional receptors for these cytokines. In this study, therefore, we used murine bone marrow (BM) cells in an in vitro model in an attempt to determine whether topoisomerase inhibitors (camptothecin, etoposide and doxorubicin) induce myelosuppression (BM cell death) and whether novel treatments other than the administration of G-CSF can be used for rescue from myelosuppression. DNA fragmentation assay, ultrastructural analysis and cell cycle analysis demonstrated that these chemotherapeutic agents induced apoptosis in BM cells. We demonstrated in addition that enforced expression of the bcl-2 gene in BM cells by MPZenNeo (bcl-2) retroviral gene transfer increased resistance to the apoptosis induced by these agents. These findings suggest the possibility that enforced expression of the bcl-2 gene in BM cells using gene transfer techniques may enable rescue from chemotherapy-induced myelosuppression. |
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| Keywords |
Animals; Antineoplastic Agents/toxicity; Apoptosis/drug effects; Bone Marrow/drug effects; Bone Marrow/ultrastructure; Bone Marrow Cells; Cell Cycle/drug effects; Cell Death/drug effects; Cell Survival/drug effects; DNA Damage; DNA, Neoplasm/drug effects; DNA, Neoplasm/genetics; Female; Gene Expression; Gene Therapy; Mice; Mice, Inbred BALB C; Myeloproliferative Disorders/chemically induced; Myeloproliferative Disorders/prevention & control; Proto-Oncogene Proteins/genetics; Proto-Oncogene Proteins c-bcl-2 |
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Significance
Annotations
| Gene product | Qualifier | GO ID | GO term name | Evidence Code | with/from | Aspect | Notes | Status |
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