Nucleoside diphosphate kinase A/nm23-H1 promotes metastasis of NB69-derived human neuroblastoma. 2004

Malin A E Almgren, and K Cecilia E Henriksson, and Jennifer Fujimoto, and Christina L Chang
Department of Medicine, University of California at San Diego, 4028 Basic Science Building, 9500 Gilman Drive, La Jolla, CA 92093-0688, USA.

Nucleoside diphosphate kinase A (NDPK-A), encoded by the nm23-H1 gene, acts as a metastasis suppressor in certain human tumors such as breast carcinoma. However, evidence also points to NDPK-A functioning as a metastasis promoter in other human tumors including neuroblastoma. In fact, amplification and overexpression of nm23-H1 as well as S120G mutation of NDPK-A (NDPK-A(S120G)) have been detected in 14% to 30% of patients with advanced stages of neuroblastoma. To test whether NDPK-A promotes neuroblastoma metastasis, we established stable transfectants and an orthotopic xenograft animal model from the human neuroblastoma NB69 cell line. We demonstrate that overexpressed NDPK-A or NDPK-A(S120G) increased both incidence and colonization of neuroblastoma metastasis in animal lungs without significantly affecting primary tumor development. In vitro, these metastasis-associated NDPK-A aberrations abrogated retinoic acid-induced neuronal differentiation while increasing cloning efficiency, cell survival, and colony formation of NB69 derivatives. Furthermore, NDPK-A(S120G) reduced cell adhesion and increased cell migration. Compared with its wild-type, NDPK-A(S120G) appears more effective in promoting neuroblastoma metastasis. Our results provide the first evidence that NDPK-A behaves as a metastasis promoter at least in human neuroblastoma derived from NB69 cells. The findings not only suggest a prognostic value of NDPK-A in neuroblastoma patients but also caution NDPK-A-targeted treatment for patients with different tumor types.

UI MeSH Term Description Entries
D008175 Lung Neoplasms Tumors or cancer of the LUNG. Cancer of Lung,Lung Cancer,Pulmonary Cancer,Pulmonary Neoplasms,Cancer of the Lung,Neoplasms, Lung,Neoplasms, Pulmonary,Cancer, Lung,Cancer, Pulmonary,Cancers, Lung,Cancers, Pulmonary,Lung Cancers,Lung Neoplasm,Neoplasm, Lung,Neoplasm, Pulmonary,Pulmonary Cancers,Pulmonary Neoplasm
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D009362 Neoplasm Metastasis The transfer of a neoplasm from one organ or part of the body to another remote from the primary site. Metastase,Metastasis,Metastases, Neoplasm,Metastasis, Neoplasm,Neoplasm Metastases,Metastases
D009368 Neoplasm Transplantation Experimental transplantation of neoplasms in laboratory animals for research purposes. Transplantation, Neoplasm,Neoplasm Transplantations,Transplantations, Neoplasm
D009447 Neuroblastoma A common neoplasm of early childhood arising from neural crest cells in the sympathetic nervous system, and characterized by diverse clinical behavior, ranging from spontaneous remission to rapid metastatic progression and death. This tumor is the most common intraabdominal malignancy of childhood, but it may also arise from thorax, neck, or rarely occur in the central nervous system. Histologic features include uniform round cells with hyperchromatic nuclei arranged in nests and separated by fibrovascular septa. Neuroblastomas may be associated with the opsoclonus-myoclonus syndrome. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, pp2099-2101; Curr Opin Oncol 1998 Jan;10(1):43-51) Neuroblastomas
D009701 Nucleoside-Diphosphate Kinase An enzyme that is found in mitochondria and in the soluble cytoplasm of cells. It catalyzes reversible reactions of a nucleoside triphosphate, e.g., ATP, with a nucleoside diphosphate, e.g., UDP, to form ADP and UTP. Many nucleoside diphosphates can act as acceptor, while many ribo- and deoxyribonucleoside triphosphates can act as donor. EC 2.7.4.6. Deoxynucleoside Diphosphate Kinases,GDP Kinase,Nucleoside Diphosphokinases,Nucleoside-Diphosphate Kinases,Diphosphate Kinases, Deoxynucleoside,Diphosphokinases, Nucleoside,Kinase, GDP,Kinase, Nucleoside-Diphosphate,Kinases, Deoxynucleoside Diphosphate,Kinases, Nucleoside-Diphosphate,Nucleoside Diphosphate Kinase,Nucleoside Diphosphate Kinases
D002448 Cell Adhesion Adherence of cells to surfaces or to other cells. Adhesion, Cell,Adhesions, Cell,Cell Adhesions
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D002465 Cell Movement The movement of cells from one location to another. Distinguish from CYTOKINESIS which is the process of dividing the CYTOPLASM of a cell. Cell Migration,Locomotion, Cell,Migration, Cell,Motility, Cell,Movement, Cell,Cell Locomotion,Cell Motility,Cell Movements,Movements, Cell
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell

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