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Proliferate and Survive: Cell Division Cycle and Apoptosis in Human Neuroblastoma

Overview
Journal Haematologica
Specialty Hematology
Date 2002 Feb 12
PMID 11836171
Citations 8
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Abstract

Background And Objectives: Neuroblastoma is one of the most frequent childhood cancers and a major cause of death from neoplasias of infancy. Although a wealth of studies on its molecular bases have been carried out, little conclusive information about its origin and evolution is available.

Evidence And Information Sources: Some intriguing findings have correlated neuroblastoma development with aberrations of two pivotal cellular processes generally altered in human cancers, namely cell division cycle and apoptosis. Indeed, it has been reported that neuroblastoma cell lines show accumulation of Id2 protein, a factor which is able to hamper the pRb protein antiproliferative activity.

State Of The Art: The increased Id2 is due to N-myc gene amplification and overexpression, a phenomenon frequently observed in neuroblastoma and an important independent negative marker. Moreover, neuroblastoma cells are frequently characterized by increased levels of survivin, an inhibitor of the apoptotic response, and by a deficiency of procaspase 8, a key intermediate of the programmed cell death cascade. These two events, probably, make neuroblastomas more resistant to programmed cell death. These recent findings might suggest that neuroblastoma cells have acquired the capability to proliferate easily and die difficultly.

Perspectives: The mechanistic meaning of these data will be discussed in the present review. Moreover, we will suggest new therapeutic scenarios opened up by the described alterations of cell cycle and apoptosis engines.

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Response of neuroblastoma cells to RF currents as a function of the signal frequency.

Hernandez-Bule M, Medel E, Colastra C, Roldan R, Ubeda A BMC Cancer. 2019; 19(1):889.

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Changes in gene expression profiling of apoptotic genes in neuroblastoma cell lines upon retinoic acid treatment.

Celay J, Blanco I, Lazcoz P, Rotinen M, Castresana J, Encio I PLoS One. 2013; 8(5):e62771.

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